From 77c1463bf82c3ec9f8ad8aa17c8dd06501eed909 Mon Sep 17 00:00:00 2001
From: lehvolk <alexey.volkov@jetbrains.com>
Date: Fri, 8 Nov 2019 10:57:29 +0300
Subject: [PATCH 001/450] Fix possible regexp with stackoverflow problem.

---
 .../commonmark/internal/InlineParserImpl.java | 44 ++++++++++---------
 .../org/commonmark/test/SpecialInputTest.java |  5 +++
 2 files changed, 29 insertions(+), 20 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 38972cada..5f4e3fb64 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -184,7 +184,7 @@ private Text text(String text) {
      * On success, return the new inline node.
      * On failure, return null.
      */
-    private Node parseInline(Node previous) {
+    protected Node parseInline(Node previous) {
         char c = peek();
         if (c == '\0') {
             return null;
@@ -243,17 +243,21 @@ private Node parseInline(Node previous) {
     /**
      * If RE matches at current index in the input, advance index and return the match; otherwise return null.
      */
-    private String match(Pattern re) {
+    protected String match(Pattern re) {
         if (index >= input.length()) {
             return null;
         }
-        Matcher matcher = re.matcher(input);
-        matcher.region(index, input.length());
-        boolean m = matcher.find();
-        if (m) {
-            index = matcher.end();
-            return matcher.group();
-        } else {
+        try {
+            Matcher matcher = re.matcher(input);
+            matcher.region(index, input.length());
+            boolean m = matcher.find();
+            if (m) {
+                index = matcher.end();
+                return matcher.group();
+            } else {
+                return null;
+            }
+        } catch (Error e) {
             return null;
         }
     }
@@ -279,7 +283,7 @@ private void spnl() {
     /**
      * Parse a newline. If it was preceded by two spaces, return a hard line break; otherwise a soft line break.
      */
-    private Node parseNewline(Node previous) {
+    protected Node parseNewline(Node previous) {
         index++; // assume we're at a \n
 
         // Check previous text for trailing spaces.
@@ -306,7 +310,7 @@ private Node parseNewline(Node previous) {
      * Parse a backslash-escaped special character, adding either the escaped  character, a hard line break
      * (if the backslash is followed by a newline), or a literal backslash to the block's children.
      */
-    private Node parseBackslash() {
+    protected Node parseBackslash() {
         index++;
         Node node;
         if (peek() == '\n') {
@@ -324,7 +328,7 @@ private Node parseBackslash() {
     /**
      * Attempt to parse backticks, returning either a backtick code span or a literal sequence of backticks.
      */
-    private Node parseBackticks() {
+    protected Node parseBackticks() {
         String ticks = match(TICKS_HERE);
         if (ticks == null) {
             return null;
@@ -358,7 +362,7 @@ private Node parseBackticks() {
     /**
      * Attempt to parse delimiters like emphasis, strong emphasis or custom delimiters.
      */
-    private Node parseDelimiters(DelimiterProcessor delimiterProcessor, char delimiterChar) {
+    protected Node parseDelimiters(DelimiterProcessor delimiterProcessor, char delimiterChar) {
         DelimiterData res = scanDelimiters(delimiterProcessor, delimiterChar);
         if (res == null) {
             return null;
@@ -383,7 +387,7 @@ private Node parseDelimiters(DelimiterProcessor delimiterProcessor, char delimit
     /**
      * Add open bracket to delimiter stack and add a text node to block's children.
      */
-    private Node parseOpenBracket() {
+    protected Node parseOpenBracket() {
         int startIndex = index;
         index++;
 
@@ -399,7 +403,7 @@ private Node parseOpenBracket() {
      * If next character is [, and ! delimiter to delimiter stack and add a text node to block's children.
      * Otherwise just add a text node.
      */
-    private Node parseBang() {
+    protected Node parseBang() {
         int startIndex = index;
         index++;
         if (peek() == '[') {
@@ -420,7 +424,7 @@ private Node parseBang() {
      * Try to match close bracket against an opening in the delimiter stack. Return either a link or image, or a
      * plain [ character. If there is a matching delimiter, remove it from the delimiter stack.
      */
-    private Node parseCloseBracket() {
+    protected Node parseCloseBracket() {
         index++;
         int startIndex = index;
 
@@ -603,7 +607,7 @@ int parseLinkLabel() {
     /**
      * Attempt to parse an autolink (URL or email in pointy brackets).
      */
-    private Node parseAutolink() {
+    protected Node parseAutolink() {
         String m;
         if ((m = match(EMAIL_AUTOLINK)) != null) {
             String dest = m.substring(1, m.length() - 1);
@@ -623,7 +627,7 @@ private Node parseAutolink() {
     /**
      * Attempt to parse inline HTML.
      */
-    private Node parseHtmlInline() {
+    protected Node parseHtmlInline() {
         String m = match(HTML_TAG);
         if (m != null) {
             HtmlInline node = new HtmlInline();
@@ -637,7 +641,7 @@ private Node parseHtmlInline() {
     /**
      * Attempt to parse a HTML style entity.
      */
-    private Node parseEntity() {
+    protected Node parseEntity() {
         String m;
         if ((m = match(ENTITY_HERE)) != null) {
             return text(Html5Entities.entityToString(m));
@@ -649,7 +653,7 @@ private Node parseEntity() {
     /**
      * Parse a run of ordinary characters, or a single character with a special meaning in markdown, as a plain string.
      */
-    private Node parseString() {
+    protected Node parseString() {
         int begin = index;
         int length = input.length();
         while (index != length) {
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
index c2bb9fd4c..a70127a72 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
@@ -140,6 +140,11 @@ public void emphasisMultipleOf3Rule() {
         assertRendering("a***b* c*", "<p>a*<em><em>b</em> c</em></p>\n");
     }
 
+    @Test
+    public void renderEvenRegexpProducesStackoverflow() {
+        render("Contents: <!--[if gte mso 9]> <w:LatentStyles DefLockedState=\"false\" DefUnhideWhenUsed=\"false\" DefSemiHidden=\"false\" DefQFormat=\"false\" DefPriority=\"99\" LatentStyleCount=\"371\">  <w:xxx Locked=\"false\" Priority=\"52\" Name=\"Grid Table 7 Colorful 6\"/> <w:xxx Locked=\"false\" Priority=\"46\" Name=\"List Table 1 Light\"/> <w:xxx Locked=\"false\" Priority=\"47\" Name=\"List Table 2\"/> <w:xxx Locked=\"false\" Priority=\"48\" Name=\"List Table 3\"/> <w:xxx Locked=\"false\" Priority=\"49\" Name=\"List Table 4\"/> <w:xxx Locked=\"false\" Priority=\"50\" Name=\"List Table 5 Dark\"/> <w:xxx Locked=\"false\" Priority=\"51\" Name=\"List Table 6 Colorful\"/> <w:xxx Locked=\"false\" Priority=\"52\" Name=\"List Table 7 Colorful\"/> <w:xxx Locked=\"false\" Priority=\"46\" Name=\"List Table 1 Light Accent 1\"/> <w:xxx Locked=\"false\" Priority=\"47\" Name=\"List Table 2 Accent 1\"/> <w:xxx Locked=\"false\" Priority=\"48\" Name=\"List Table 3 Accent 1\"/> <w:xxx Locked=\"false\" Priority=\"49\" Name=\"List Table 4 Accent 1\"/> <w:xxx Locked=\"false\" Priority=\"50\" Name=\"List Table 5 Dark Accent 1\"/>  <w:xxx Locked=\"false\" Priority=\"52\" Name=\"List Table 7 Colorful Accent 1\"/> <w:xxx Locked=\"false\" Priority=\"46\" Name=\"List Table 1 Light Accent 2\"/> <w:xxx Locked=\"false\" Priority=\"47\" Name=\"List Table 2 Accent 2\"/> <w:xxx Locked=\"false\" Priority=\"48\" Name=\"List Table 3 Accent 2\"/> <w:xxx Locked=\"false\" Priority=\"49\" Name=\"List Table 4 Accent 2\"/> <w:xxx Locked=\"false\" Priority=\"50\" Name=\"List Table 5 Dark Accent 2\"/> <w:xxx Locked=\"false\" Priority=\"51\" Name=\"List Table 6 Colorful Accent 2\"/> <w:xxx Locked=\"false\" Priority=\"52\" Name=\"List Table 7 Colorful Accent 2\"/> <w:xxx Locked=\"false\" Priority=\"46\" Name=\"List Table 1 Light Accent 3\"/> <w:xxx Locked=\"false\" Priority=\"47\" Name=\"List Table 2 Accent 3\"/> <w:xxx Locked=\"false\" Priority=\"48\" Name=\"List Table 3 Accent 3\"/> <w:xxx Locked=\"false\" Priority=\"49\" Name=\"List Table 4 Accent 3\" /> <w:xxx Locked=\"false\" Priority=\"50\" Name=\"List Table 5 Dark Accent 3\"/><w:xxx Locked=\"false\" Priority=\"51\" Name=\"List Table 6 Colorful Accent 3\"/></xml>");
+    }
+
     @Test
     public void deeplyIndentedList() {
         assertRendering("* one\n" +

From 3e0507d8d21b94f45f0cacdbc43dc3625080dd85 Mon Sep 17 00:00:00 2001
From: lehvolk <alexey.volkov@jetbrains.com>
Date: Fri, 8 Nov 2019 14:44:51 +0300
Subject: [PATCH 002/450] fix review remarks

---
 .../commonmark/internal/InlineParserImpl.java | 28 +++++++++----------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 5f4e3fb64..dfb50149a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -184,7 +184,7 @@ private Text text(String text) {
      * On success, return the new inline node.
      * On failure, return null.
      */
-    protected Node parseInline(Node previous) {
+    private Node parseInline(Node previous) {
         char c = peek();
         if (c == '\0') {
             return null;
@@ -243,7 +243,7 @@ protected Node parseInline(Node previous) {
     /**
      * If RE matches at current index in the input, advance index and return the match; otherwise return null.
      */
-    protected String match(Pattern re) {
+    private String match(Pattern re) {
         if (index >= input.length()) {
             return null;
         }
@@ -257,7 +257,7 @@ protected String match(Pattern re) {
             } else {
                 return null;
             }
-        } catch (Error e) {
+        } catch (StackOverflowError e) {
             return null;
         }
     }
@@ -283,7 +283,7 @@ private void spnl() {
     /**
      * Parse a newline. If it was preceded by two spaces, return a hard line break; otherwise a soft line break.
      */
-    protected Node parseNewline(Node previous) {
+    private Node parseNewline(Node previous) {
         index++; // assume we're at a \n
 
         // Check previous text for trailing spaces.
@@ -310,7 +310,7 @@ protected Node parseNewline(Node previous) {
      * Parse a backslash-escaped special character, adding either the escaped  character, a hard line break
      * (if the backslash is followed by a newline), or a literal backslash to the block's children.
      */
-    protected Node parseBackslash() {
+    private Node parseBackslash() {
         index++;
         Node node;
         if (peek() == '\n') {
@@ -328,7 +328,7 @@ protected Node parseBackslash() {
     /**
      * Attempt to parse backticks, returning either a backtick code span or a literal sequence of backticks.
      */
-    protected Node parseBackticks() {
+    private Node parseBackticks() {
         String ticks = match(TICKS_HERE);
         if (ticks == null) {
             return null;
@@ -362,7 +362,7 @@ protected Node parseBackticks() {
     /**
      * Attempt to parse delimiters like emphasis, strong emphasis or custom delimiters.
      */
-    protected Node parseDelimiters(DelimiterProcessor delimiterProcessor, char delimiterChar) {
+    private Node parseDelimiters(DelimiterProcessor delimiterProcessor, char delimiterChar) {
         DelimiterData res = scanDelimiters(delimiterProcessor, delimiterChar);
         if (res == null) {
             return null;
@@ -387,7 +387,7 @@ protected Node parseDelimiters(DelimiterProcessor delimiterProcessor, char delim
     /**
      * Add open bracket to delimiter stack and add a text node to block's children.
      */
-    protected Node parseOpenBracket() {
+    private Node parseOpenBracket() {
         int startIndex = index;
         index++;
 
@@ -403,7 +403,7 @@ protected Node parseOpenBracket() {
      * If next character is [, and ! delimiter to delimiter stack and add a text node to block's children.
      * Otherwise just add a text node.
      */
-    protected Node parseBang() {
+    private Node parseBang() {
         int startIndex = index;
         index++;
         if (peek() == '[') {
@@ -424,7 +424,7 @@ protected Node parseBang() {
      * Try to match close bracket against an opening in the delimiter stack. Return either a link or image, or a
      * plain [ character. If there is a matching delimiter, remove it from the delimiter stack.
      */
-    protected Node parseCloseBracket() {
+    private Node parseCloseBracket() {
         index++;
         int startIndex = index;
 
@@ -607,7 +607,7 @@ int parseLinkLabel() {
     /**
      * Attempt to parse an autolink (URL or email in pointy brackets).
      */
-    protected Node parseAutolink() {
+    private Node parseAutolink() {
         String m;
         if ((m = match(EMAIL_AUTOLINK)) != null) {
             String dest = m.substring(1, m.length() - 1);
@@ -627,7 +627,7 @@ protected Node parseAutolink() {
     /**
      * Attempt to parse inline HTML.
      */
-    protected Node parseHtmlInline() {
+    private Node parseHtmlInline() {
         String m = match(HTML_TAG);
         if (m != null) {
             HtmlInline node = new HtmlInline();
@@ -641,7 +641,7 @@ protected Node parseHtmlInline() {
     /**
      * Attempt to parse a HTML style entity.
      */
-    protected Node parseEntity() {
+    private Node parseEntity() {
         String m;
         if ((m = match(ENTITY_HERE)) != null) {
             return text(Html5Entities.entityToString(m));
@@ -653,7 +653,7 @@ protected Node parseEntity() {
     /**
      * Parse a run of ordinary characters, or a single character with a special meaning in markdown, as a plain string.
      */
-    protected Node parseString() {
+    private Node parseString() {
         int begin = index;
         int length = input.length();
         while (index != length) {

From 6602db4c68e837f2525193bd71d4315562969196 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 25 Nov 2019 16:30:00 +1100
Subject: [PATCH 003/450] Remove redundant null check

---
 .../java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
index 9bb3225d0..3ffeba0cf 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
@@ -267,7 +267,7 @@ private boolean isInTightList(Paragraph paragraph) {
         Node parent = paragraph.getParent();
         if (parent != null) {
             Node gramps = parent.getParent();
-            if (gramps != null && gramps instanceof ListBlock) {
+            if (gramps instanceof ListBlock) {
                 ListBlock list = (ListBlock) gramps;
                 return list.isTight();
             }

From 326f466c79b99bc39b9787bcd79da46a90017d65 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 25 Nov 2019 16:31:18 +1100
Subject: [PATCH 004/450] Prepare CHANGELOG for 0.13.1

---
 CHANGELOG.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fb191fe95..f1a5d3fac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [0.13.1] - 2019-11-25
+### Fixed
+- Fix potential `StackOverflowError` for regular expressions used in the
+  inline parser (e.g. when parsing long HTML), thanks @lehvolk
+
 ## [0.13.0] - 2019-07-15
 ### Added
 - `LinkReferenceDefinition` nodes are now part of the document (not
@@ -258,6 +263,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[0.13.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.13.0...commonmark-parent-0.13.1
 [0.13.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.12.1...commonmark-parent-0.13.0
 [0.12.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.11.0...commonmark-parent-0.12.1
 [0.11.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.10.0...commonmark-parent-0.11.0

From ec6e6d8b35f862924c694e30d2a958a4097de688 Mon Sep 17 00:00:00 2001
From: Bamboo Build User <deployment-bamboo-bot@atlassian.com>
Date: Mon, 25 Nov 2019 05:35:52 +0000
Subject: [PATCH 005/450] [maven-release-plugin] prepare release
 commonmark-parent-0.13.1

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 20 ++++++++++----------
 10 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 878083750..b84afc8b2 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1-SNAPSHOT</version>
+        <version>0.13.1</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 25532f28c..09ce82cb7 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1-SNAPSHOT</version>
+        <version>0.13.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 7d6f41574..731f077e8 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1-SNAPSHOT</version>
+        <version>0.13.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 9a3d98f56..f446ccd83 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1-SNAPSHOT</version>
+        <version>0.13.1</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 597ea191e..4f97ab46b 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1-SNAPSHOT</version>
+        <version>0.13.1</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 98cd0cdd5..c0b7b7014 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.13.1-SNAPSHOT</version>
+        <version>0.13.1</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index c7c962a56..a05a06cd6 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1-SNAPSHOT</version>
+        <version>0.13.1</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index cd396b621..8b8e318cc 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1-SNAPSHOT</version>
+        <version>0.13.1</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index bd9490902..5c7d882ef 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1-SNAPSHOT</version>
+        <version>0.13.1</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 81cf3d5c5..53c5f4b25 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.13.1-SNAPSHOT</version>
+    <version>0.13.1</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -87,42 +87,42 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.13.1-SNAPSHOT</version>
+                <version>0.13.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.13.1-SNAPSHOT</version>
+                <version>0.13.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.13.1-SNAPSHOT</version>
+                <version>0.13.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.13.1-SNAPSHOT</version>
+                <version>0.13.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.13.1-SNAPSHOT</version>
+                <version>0.13.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.13.1-SNAPSHOT</version>
+                <version>0.13.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.13.1-SNAPSHOT</version>
+                <version>0.13.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.13.1-SNAPSHOT</version>
+                <version>0.13.1</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -195,7 +195,7 @@
         <connection>scm:git:git@github.com:atlassian/commonmark-java.git</connection>
         <developerConnection>scm:git:git@github.com:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.13.1</tag>
     </scm>
 
 </project>

From 98cf5d37a65746e9baacb6bb627aeb6f8db377be Mon Sep 17 00:00:00 2001
From: Bamboo Build User <deployment-bamboo-bot@atlassian.com>
Date: Mon, 25 Nov 2019 05:35:57 +0000
Subject: [PATCH 006/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 20 ++++++++++----------
 10 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index b84afc8b2..f9890176d 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1</version>
+        <version>0.13.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 09ce82cb7..06c845fc5 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1</version>
+        <version>0.13.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 731f077e8..63e9d682a 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1</version>
+        <version>0.13.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index f446ccd83..ebb917785 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1</version>
+        <version>0.13.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 4f97ab46b..b9b7cc122 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1</version>
+        <version>0.13.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index c0b7b7014..e8fae2a11 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.13.1</version>
+        <version>0.13.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index a05a06cd6..f5036f412 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1</version>
+        <version>0.13.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 8b8e318cc..7b586a947 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1</version>
+        <version>0.13.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 5c7d882ef..8f963b2c1 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1</version>
+        <version>0.13.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 53c5f4b25..0012af0de 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.13.1</version>
+    <version>0.13.2-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -87,42 +87,42 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.13.1</version>
+                <version>0.13.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.13.1</version>
+                <version>0.13.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.13.1</version>
+                <version>0.13.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.13.1</version>
+                <version>0.13.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.13.1</version>
+                <version>0.13.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.13.1</version>
+                <version>0.13.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.13.1</version>
+                <version>0.13.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.13.1</version>
+                <version>0.13.2-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -195,7 +195,7 @@
         <connection>scm:git:git@github.com:atlassian/commonmark-java.git</connection>
         <developerConnection>scm:git:git@github.com:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>commonmark-parent-0.13.1</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From 27f487f06c9f2bc9dc79c4ee519bb93a1a97b76c Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 25 Nov 2019 17:19:36 +1100
Subject: [PATCH 007/450] Bump versions in docs

---
 README.md                          | 4 ++--
 commonmark-android-test/.travis.sh | 2 +-
 commonmark-android-test/README.md  | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 1452b07e3..b9bf09198 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.13.0</version>
+    <version>0.13.1</version>
 </dependency>
 ```
 
@@ -227,7 +227,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.13.0</version>
+    <version>0.13.1</version>
 </dependency>
 ```
 
diff --git a/commonmark-android-test/.travis.sh b/commonmark-android-test/.travis.sh
index a9ac22416..cf6a74a9b 100755
--- a/commonmark-android-test/.travis.sh
+++ b/commonmark-android-test/.travis.sh
@@ -8,7 +8,7 @@ autolink_version=$(cd ../commonmark-ext-autolink && mvn help:evaluate -Dexpressi
 
 touch test.properties
 echo "path.report=../report" >> test.properties
-echo "version.maven=0.13.0" >> test.properties
+echo "version.maven=0.13.1" >> test.properties
 echo "version.maven_autolink=0.10.0" >> test.properties
 echo "version.snapshot=$version" >> test.properties
 echo "version.snapshot_autolink=$autolink_version" >> test.properties
diff --git a/commonmark-android-test/README.md b/commonmark-android-test/README.md
index 7f8a16b5e..35141426e 100644
--- a/commonmark-android-test/README.md
+++ b/commonmark-android-test/README.md
@@ -28,7 +28,7 @@ sdk.dir=/path_to_android_sdk
 path.report=../report
 
 # Version number of commonmark and extensions in maven central.
-version.maven=0.13.0
+version.maven=0.13.1
 # Version number of autolink in maven central (not bundled with extension jar).
 version.maven_autolink=0.10.0
 

From 8577bdee5afa95b08c6f16e6aff0afea22ab52d0 Mon Sep 17 00:00:00 2001
From: David Vandorpe <david.vandorpe2@gmail.com>
Date: Tue, 14 Jan 2020 00:04:25 +0100
Subject: [PATCH 008/450] Add option for stripping unsafe URLs

Fixes #155
---
 .../renderer/html/CoreHtmlNodeRenderer.java   | 12 ++-
 .../renderer/html/DefaultUrlSanitizer.java    | 83 +++++++++++++++++++
 .../html/HtmlNodeRendererContext.java         | 14 ++++
 .../renderer/html/HtmlRenderer.java           | 42 ++++++++++
 .../renderer/html/UrlSanitizer.java           | 26 ++++++
 .../org/commonmark/test/HtmlRendererTest.java | 41 +++++++++
 6 files changed, 217 insertions(+), 1 deletion(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
 create mode 100644 commonmark/src/main/java/org/commonmark/renderer/html/UrlSanitizer.java

diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
index 3ffeba0cf..eb387cf58 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
@@ -141,7 +141,14 @@ public void visit(IndentedCodeBlock indentedCodeBlock) {
     @Override
     public void visit(Link link) {
         Map<String, String> attrs = new LinkedHashMap<>();
-        String url = context.encodeUrl(link.getDestination());
+        String url = link.getDestination();
+
+        if (context.shouldBeSafe()) {
+            url = context.urlSanitizer().sanitizeLinkUrl(url);
+            attrs.put("rel", "nofollow");
+        }
+
+        url = context.encodeUrl(url);
         attrs.put("href", url);
         if (link.getTitle() != null) {
             attrs.put("title", link.getTitle());
@@ -178,6 +185,9 @@ public void visit(Image image) {
         String altText = altTextVisitor.getAltText();
 
         Map<String, String> attrs = new LinkedHashMap<>();
+        if(context.shouldBeSafe()) {
+            url = context.urlSanitizer().sanitizeImageUrl(url);
+        }
         attrs.put("src", url);
         attrs.put("alt", altText);
         if (image.getTitle() != null) {
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java b/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
new file mode 100644
index 000000000..6cdd31214
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
@@ -0,0 +1,83 @@
+package org.commonmark.renderer.html;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+/**
+ *
+ * Allows http, https and mailto protocols for url.
+ * Also allows protocol relative urls, and relative urls.
+ * Implementation based on https://github.com/OWASP/java-html-sanitizer/blob/f07e44b034a45d94d6fd010279073c38b6933072/src/main/java/org/owasp/html/FilterUrlByProtocolAttributePolicy.java
+ */
+public class DefaultUrlSanitizer implements UrlSanitizer {
+    private Collection<String> protocols;
+
+    private static final long HTML_SPACE_CHAR_BITMASK =
+            (1L << ' ')
+                    | (1L << '\t')
+                    | (1L << '\n')
+                    | (1L << '\u000c')
+                    | (1L << '\r');
+
+
+    public DefaultUrlSanitizer() {
+        this(new ArrayList<String>() {{
+            add("http");
+            add("https");
+            add("mailto");
+        }});
+    }
+
+    public DefaultUrlSanitizer(Collection<String> protocols) {
+        this.protocols = protocols;
+    }
+
+    @Override
+    public String sanitizeLinkUrl(String url) {
+        url = stripHtmlSpaces(url);
+        protocol_loop:
+        for (int i = 0, n = url.length(); i < n; ++i) {
+            switch (url.charAt(i)) {
+                case '/':
+                case '#':
+                case '?':  // No protocol.
+                    break protocol_loop;
+                case ':':
+                    String protocol = url.substring(0, i).toLowerCase();
+                    if (!protocols.contains(protocol)) {
+                        return "";
+                    }
+                    break protocol_loop;
+            }
+        }
+        return url;
+    }
+
+
+    @Override
+    public String sanitizeImageUrl(String url) {
+        return sanitizeLinkUrl(url);
+    }
+
+    private String stripHtmlSpaces(String s) {
+        int i = 0, n = s.length();
+        for (; n > i; --n) {
+            if (!isHtmlSpace(s.charAt(n - 1))) {
+                break;
+            }
+        }
+        for (; i < n; ++i) {
+            if (!isHtmlSpace(s.charAt(i))) {
+                break;
+            }
+        }
+        if (i == 0 && n == s.length()) {
+            return s;
+        }
+        return s.substring(i, n);
+    }
+
+    private boolean isHtmlSpace(int ch) {
+        return ch <= 0x20 && (HTML_SPACE_CHAR_BITMASK & (1L << ch)) != 0;
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
index fd077a277..6f694fb7c 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
@@ -1,5 +1,7 @@
 package org.commonmark.renderer.html;
 
+import org.commonmark.node.Link;
+import org.commonmark.node.Image;
 import org.commonmark.node.Node;
 
 import java.util.Map;
@@ -44,4 +46,16 @@ public interface HtmlNodeRendererContext {
      * @return whether HTML blocks and tags should be escaped or not
      */
     boolean shouldEscapeHtml();
+
+    /**
+     *
+     * @return true if the {@link UrlSanitizer} should be used.
+     */
+    boolean shouldBeSafe();
+
+    /**
+     *
+     * @return Sanitizer to use for securing {@link Link} href and {@link Image} src if safe is true.
+     */
+    UrlSanitizer urlSanitizer();
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
index fac3b3ba2..f1cac8795 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
@@ -5,6 +5,8 @@
 import org.commonmark.internal.util.Escaping;
 import org.commonmark.node.HtmlBlock;
 import org.commonmark.node.HtmlInline;
+import org.commonmark.node.Link;
+import org.commonmark.node.Image;
 import org.commonmark.node.Node;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.Renderer;
@@ -27,6 +29,8 @@ public class HtmlRenderer implements Renderer {
 
     private final String softbreak;
     private final boolean escapeHtml;
+    private final boolean safe;
+    private final UrlSanitizer urlSanitizer;
     private final boolean percentEncodeUrls;
     private final List<AttributeProviderFactory> attributeProviderFactories;
     private final List<HtmlNodeRendererFactory> nodeRendererFactories;
@@ -34,7 +38,9 @@ public class HtmlRenderer implements Renderer {
     private HtmlRenderer(Builder builder) {
         this.softbreak = builder.softbreak;
         this.escapeHtml = builder.escapeHtml;
+        this.safe = builder.safe;
         this.percentEncodeUrls = builder.percentEncodeUrls;
+        this.urlSanitizer = builder.urlSanitizer;
         this.attributeProviderFactories = new ArrayList<>(builder.attributeProviderFactories);
 
         this.nodeRendererFactories = new ArrayList<>(builder.nodeRendererFactories.size() + 1);
@@ -83,6 +89,8 @@ public static class Builder {
 
         private String softbreak = "\n";
         private boolean escapeHtml = false;
+        private boolean safe = false;
+        private UrlSanitizer urlSanitizer = new DefaultUrlSanitizer();
         private boolean percentEncodeUrls = false;
         private List<AttributeProviderFactory> attributeProviderFactories = new ArrayList<>();
         private List<HtmlNodeRendererFactory> nodeRendererFactories = new ArrayList<>();
@@ -124,6 +132,30 @@ public Builder escapeHtml(boolean escapeHtml) {
             return this;
         }
 
+        /**
+         * Whether {@link Image} src and {@link Link} href should be filtered, defaults to {@code false}.
+         * <p>
+         *
+         * @param safe true for filtering, false for preserving raw attribute
+         * @return {@code this}
+         */
+        public Builder safe(boolean safe) {
+            this.safe = safe;
+            return this;
+        }
+
+        /**
+         * {@link UrlSanitizer} used to filter URL's if safe is true.
+         * <p>
+         *
+         * @param urlSanitizer Filterer used to filter {@link Image} src and {@link Link}.
+         * @return {@code this}
+         */
+        public Builder urlSanitizer(UrlSanitizer urlSanitizer) {
+            this.urlSanitizer = urlSanitizer;
+            return this;
+        }
+
         /**
          * Whether URLs of link or images should be percent-encoded, defaults to {@code false}.
          * <p>
@@ -227,6 +259,16 @@ public boolean shouldEscapeHtml() {
             return escapeHtml;
         }
 
+        @Override
+        public boolean shouldBeSafe() {
+            return safe;
+        }
+
+        @Override
+        public UrlSanitizer urlSanitizer() {
+            return urlSanitizer;
+        }
+
         @Override
         public String encodeUrl(String url) {
             if (percentEncodeUrls) {
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/UrlSanitizer.java b/commonmark/src/main/java/org/commonmark/renderer/html/UrlSanitizer.java
new file mode 100644
index 000000000..6ad93e41d
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/UrlSanitizer.java
@@ -0,0 +1,26 @@
+package org.commonmark.renderer.html;
+
+import org.commonmark.node.Image;
+import org.commonmark.node.Link;
+
+/**
+ * Sanitizes urls for img and a elements by whitelisting protocols.
+ * This is intended to prevent XSS payloads like [Click this totally safe url](javascript:document.xss=true;)
+ *
+ * Implementation based on https://github.com/OWASP/java-html-sanitizer/blob/f07e44b034a45d94d6fd010279073c38b6933072/src/main/java/org/owasp/html/FilterUrlByProtocolAttributePolicy.java
+ */
+public interface UrlSanitizer {
+    /**
+     * Sanitize a url for use in the href attribute of a {@link Link}.
+     * @param url Link to sanitize
+     * @return Sanitized link
+     */
+    public String sanitizeLinkUrl(String url);
+
+    /**
+     * Sanitize a url for use in the src attribute of a {@link Image}.
+     * @param url Link to sanitize
+     * @return Sanitized link {@link Image}
+     */
+    public String sanitizeImageUrl(String url);
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
index 30cbf24f3..4ba1554df 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
@@ -59,6 +59,39 @@ public void attributeEscaping() {
         assertEquals("<p><a href=\"&amp;colon;\"></a></p>\n", defaultRenderer().render(paragraph));
     }
 
+    @Test
+    public void unsafeShouldNotEscapeDangerousProtocols() {
+        Paragraph paragraph = new Paragraph();
+        Link link = new Link();
+        link.setDestination("javascript:alert(5);");
+        paragraph.appendChild(link);
+        assertEquals("<p><a href=\"javascript:alert(5);\"></a></p>\n", unsafeRenderer().render(paragraph));
+    }
+
+    @Test
+    public void safeShouldSetRelNoFollow() {
+        Paragraph paragraph = new Paragraph();
+        Link link = new Link();
+        link.setDestination("/exampleUrl");
+        paragraph.appendChild(link);
+        assertEquals("<p><a rel=\"nofollow\" href=\"/exampleUrl\"></a></p>\n", safeRenderer().render(paragraph));
+
+        paragraph = new Paragraph();
+        link = new Link();
+        link.setDestination("https://google.com");
+        paragraph.appendChild(link);
+        assertEquals("<p><a rel=\"nofollow\" href=\"https://google.com\"></a></p>\n", safeRenderer().render(paragraph));
+    }
+
+    @Test
+    public void safeShouldEscapeDangerousProtocols() {
+        Paragraph paragraph = new Paragraph();
+        Link link = new Link();
+        link.setDestination("javascript:alert(5);");
+        paragraph.appendChild(link);
+        assertEquals("<p><a rel=\"nofollow\" href=\"\"></a></p>\n", safeRenderer().render(paragraph));
+    }
+
     @Test
     public void percentEncodeUrlDisabled() {
         assertEquals("<p><a href=\"foo&amp;bar\">a</a></p>\n", defaultRenderer().render(parse("[a](foo&amp;bar)")));
@@ -267,6 +300,14 @@ private static HtmlRenderer htmlAllowingRenderer() {
         return HtmlRenderer.builder().escapeHtml(false).build();
     }
 
+    private static HtmlRenderer safeRenderer() {
+        return HtmlRenderer.builder().safe(true).urlSanitizer(new DefaultUrlSanitizer()).build();
+    }
+
+    private static HtmlRenderer unsafeRenderer() {
+        return HtmlRenderer.builder().safe(false).build();
+    }
+
     private static HtmlRenderer htmlEscapingRenderer() {
         return HtmlRenderer.builder().escapeHtml(true).build();
     }

From 6ac90912b715cf7169a5b713fcffa63ae9bf3fe2 Mon Sep 17 00:00:00 2001
From: David Vandorpe <David.Vandorpe@UGent.be>
Date: Tue, 14 Jan 2020 10:07:46 +0100
Subject: [PATCH 009/450] Fix review remarks, part 1

---
 .../renderer/html/CoreHtmlNodeRenderer.java   |  2 +-
 .../renderer/html/DefaultUrlSanitizer.java    | 26 ++++++++++++-------
 2 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
index eb387cf58..3e0fba571 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
@@ -185,7 +185,7 @@ public void visit(Image image) {
         String altText = altTextVisitor.getAltText();
 
         Map<String, String> attrs = new LinkedHashMap<>();
-        if(context.shouldBeSafe()) {
+        if (context.shouldBeSafe()) {
             url = context.urlSanitizer().sanitizeImageUrl(url);
         }
         attrs.put("src", url);
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java b/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
index 6cdd31214..6ada69b49 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
@@ -1,7 +1,9 @@
 package org.commonmark.renderer.html;
 
-import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
 
 /**
  *
@@ -10,7 +12,7 @@
  * Implementation based on https://github.com/OWASP/java-html-sanitizer/blob/f07e44b034a45d94d6fd010279073c38b6933072/src/main/java/org/owasp/html/FilterUrlByProtocolAttributePolicy.java
  */
 public class DefaultUrlSanitizer implements UrlSanitizer {
-    private Collection<String> protocols;
+    private Set<String> protocols;
 
     private static final long HTML_SPACE_CHAR_BITMASK =
             (1L << ' ')
@@ -21,15 +23,11 @@ public class DefaultUrlSanitizer implements UrlSanitizer {
 
 
     public DefaultUrlSanitizer() {
-        this(new ArrayList<String>() {{
-            add("http");
-            add("https");
-            add("mailto");
-        }});
+        this(Arrays.asList("http", "https", "mailto"));
     }
 
     public DefaultUrlSanitizer(Collection<String> protocols) {
-        this.protocols = protocols;
+        this.protocols = new HashSet<>(protocols);
     }
 
     @Override
@@ -78,6 +76,16 @@ private String stripHtmlSpaces(String s) {
     }
 
     private boolean isHtmlSpace(int ch) {
-        return ch <= 0x20 && (HTML_SPACE_CHAR_BITMASK & (1L << ch)) != 0;
+        switch (ch) {
+            case ' ':
+            case '\t':
+            case '\n':
+            case '\u000c':
+            case '\r':
+                return true;
+            default:
+                return false;
+
+        }
     }
 }

From 1b159cce2a829982fdbf16a64d01f7e930ace63f Mon Sep 17 00:00:00 2001
From: David Vandorpe <David.Vandorpe@UGent.be>
Date: Tue, 14 Jan 2020 10:28:38 +0100
Subject: [PATCH 010/450] Fix review remark, part 2

---
 .../renderer/html/CoreHtmlNodeRenderer.java   |  4 ++--
 .../html/HtmlNodeRendererContext.java         |  4 ++--
 .../renderer/html/HtmlRenderer.java           | 20 ++++++++---------
 .../org/commonmark/test/HtmlRendererTest.java | 22 +++++++++----------
 4 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
index 3e0fba571..4a1ab6e5a 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
@@ -143,7 +143,7 @@ public void visit(Link link) {
         Map<String, String> attrs = new LinkedHashMap<>();
         String url = link.getDestination();
 
-        if (context.shouldBeSafe()) {
+        if (context.shouldSanitizeUrls()) {
             url = context.urlSanitizer().sanitizeLinkUrl(url);
             attrs.put("rel", "nofollow");
         }
@@ -185,7 +185,7 @@ public void visit(Image image) {
         String altText = altTextVisitor.getAltText();
 
         Map<String, String> attrs = new LinkedHashMap<>();
-        if (context.shouldBeSafe()) {
+        if (context.shouldSanitizeUrls()) {
             url = context.urlSanitizer().sanitizeImageUrl(url);
         }
         attrs.put("src", url);
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
index 6f694fb7c..653f189be 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
@@ -51,11 +51,11 @@ public interface HtmlNodeRendererContext {
      *
      * @return true if the {@link UrlSanitizer} should be used.
      */
-    boolean shouldBeSafe();
+    boolean shouldSanitizeUrls();
 
     /**
      *
-     * @return Sanitizer to use for securing {@link Link} href and {@link Image} src if safe is true.
+     * @return Sanitizer to use for securing {@link Link} href and {@link Image} src if sanitizeUrls is true.
      */
     UrlSanitizer urlSanitizer();
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
index f1cac8795..e410ae32d 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
@@ -29,7 +29,7 @@ public class HtmlRenderer implements Renderer {
 
     private final String softbreak;
     private final boolean escapeHtml;
-    private final boolean safe;
+    private final boolean sanitizeUrls;
     private final UrlSanitizer urlSanitizer;
     private final boolean percentEncodeUrls;
     private final List<AttributeProviderFactory> attributeProviderFactories;
@@ -38,7 +38,7 @@ public class HtmlRenderer implements Renderer {
     private HtmlRenderer(Builder builder) {
         this.softbreak = builder.softbreak;
         this.escapeHtml = builder.escapeHtml;
-        this.safe = builder.safe;
+        this.sanitizeUrls = builder.sanitizeUrls;
         this.percentEncodeUrls = builder.percentEncodeUrls;
         this.urlSanitizer = builder.urlSanitizer;
         this.attributeProviderFactories = new ArrayList<>(builder.attributeProviderFactories);
@@ -89,7 +89,7 @@ public static class Builder {
 
         private String softbreak = "\n";
         private boolean escapeHtml = false;
-        private boolean safe = false;
+        private boolean sanitizeUrls = false;
         private UrlSanitizer urlSanitizer = new DefaultUrlSanitizer();
         private boolean percentEncodeUrls = false;
         private List<AttributeProviderFactory> attributeProviderFactories = new ArrayList<>();
@@ -133,19 +133,19 @@ public Builder escapeHtml(boolean escapeHtml) {
         }
 
         /**
-         * Whether {@link Image} src and {@link Link} href should be filtered, defaults to {@code false}.
+         * Whether {@link Image} src and {@link Link} href should be sanitized, defaults to {@code false}.
          * <p>
          *
-         * @param safe true for filtering, false for preserving raw attribute
+         * @param sanitizeUrls true for sanitization, false for preserving raw attribute
          * @return {@code this}
          */
-        public Builder safe(boolean safe) {
-            this.safe = safe;
+        public Builder sanitizeUrls(boolean sanitizeUrls) {
+            this.sanitizeUrls = sanitizeUrls;
             return this;
         }
 
         /**
-         * {@link UrlSanitizer} used to filter URL's if safe is true.
+         * {@link UrlSanitizer} used to filter URL's if sanitizeUrls is true.
          * <p>
          *
          * @param urlSanitizer Filterer used to filter {@link Image} src and {@link Link}.
@@ -260,8 +260,8 @@ public boolean shouldEscapeHtml() {
         }
 
         @Override
-        public boolean shouldBeSafe() {
-            return safe;
+        public boolean shouldSanitizeUrls() {
+            return sanitizeUrls;
         }
 
         @Override
diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
index 4ba1554df..04b493cba 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
@@ -60,36 +60,36 @@ public void attributeEscaping() {
     }
 
     @Test
-    public void unsafeShouldNotEscapeDangerousProtocols() {
+    public void rawUrlsShouldNotFilterDangerousProtocols() {
         Paragraph paragraph = new Paragraph();
         Link link = new Link();
         link.setDestination("javascript:alert(5);");
         paragraph.appendChild(link);
-        assertEquals("<p><a href=\"javascript:alert(5);\"></a></p>\n", unsafeRenderer().render(paragraph));
+        assertEquals("<p><a href=\"javascript:alert(5);\"></a></p>\n", rawUrlsRenderer().render(paragraph));
     }
 
     @Test
-    public void safeShouldSetRelNoFollow() {
+    public void sanitizedUrlsShouldSetRelNoFollow() {
         Paragraph paragraph = new Paragraph();
         Link link = new Link();
         link.setDestination("/exampleUrl");
         paragraph.appendChild(link);
-        assertEquals("<p><a rel=\"nofollow\" href=\"/exampleUrl\"></a></p>\n", safeRenderer().render(paragraph));
+        assertEquals("<p><a rel=\"nofollow\" href=\"/exampleUrl\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
 
         paragraph = new Paragraph();
         link = new Link();
         link.setDestination("https://google.com");
         paragraph.appendChild(link);
-        assertEquals("<p><a rel=\"nofollow\" href=\"https://google.com\"></a></p>\n", safeRenderer().render(paragraph));
+        assertEquals("<p><a rel=\"nofollow\" href=\"https://google.com\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
     }
 
     @Test
-    public void safeShouldEscapeDangerousProtocols() {
+    public void sanitizedUrlsShouldFilterDangerousProtocols() {
         Paragraph paragraph = new Paragraph();
         Link link = new Link();
         link.setDestination("javascript:alert(5);");
         paragraph.appendChild(link);
-        assertEquals("<p><a rel=\"nofollow\" href=\"\"></a></p>\n", safeRenderer().render(paragraph));
+        assertEquals("<p><a rel=\"nofollow\" href=\"\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
     }
 
     @Test
@@ -300,12 +300,12 @@ private static HtmlRenderer htmlAllowingRenderer() {
         return HtmlRenderer.builder().escapeHtml(false).build();
     }
 
-    private static HtmlRenderer safeRenderer() {
-        return HtmlRenderer.builder().safe(true).urlSanitizer(new DefaultUrlSanitizer()).build();
+    private static HtmlRenderer sanitizeUrlsRenderer() {
+        return HtmlRenderer.builder().sanitizeUrls(true).urlSanitizer(new DefaultUrlSanitizer()).build();
     }
 
-    private static HtmlRenderer unsafeRenderer() {
-        return HtmlRenderer.builder().safe(false).build();
+    private static HtmlRenderer rawUrlsRenderer() {
+        return HtmlRenderer.builder().sanitizeUrls(false).build();
     }
 
     private static HtmlRenderer htmlEscapingRenderer() {

From 6b7e42718211d76b324ae61b6bb888bc536ff130 Mon Sep 17 00:00:00 2001
From: David Vandorpe <David.Vandorpe@UGent.be>
Date: Tue, 14 Jan 2020 10:29:43 +0100
Subject: [PATCH 011/450] Remove redundant field

---
 .../org/commonmark/renderer/html/DefaultUrlSanitizer.java | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java b/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
index 6ada69b49..6cc96c5e7 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
@@ -14,14 +14,6 @@
 public class DefaultUrlSanitizer implements UrlSanitizer {
     private Set<String> protocols;
 
-    private static final long HTML_SPACE_CHAR_BITMASK =
-            (1L << ' ')
-                    | (1L << '\t')
-                    | (1L << '\n')
-                    | (1L << '\u000c')
-                    | (1L << '\r');
-
-
     public DefaultUrlSanitizer() {
         this(Arrays.asList("http", "https", "mailto"));
     }

From cf3bd456b1f5cf5d55a3dde56325c04692552b1c Mon Sep 17 00:00:00 2001
From: David Vandorpe <David.Vandorpe@UGent.be>
Date: Wed, 15 Jan 2020 10:16:12 +0100
Subject: [PATCH 012/450] Encode after sanitization

---
 .../org/commonmark/renderer/html/CoreHtmlNodeRenderer.java   | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
index 4a1ab6e5a..7d3552668 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
@@ -178,7 +178,7 @@ public void visit(OrderedList orderedList) {
 
     @Override
     public void visit(Image image) {
-        String url = context.encodeUrl(image.getDestination());
+        String url = image.getDestination();
 
         AltTextVisitor altTextVisitor = new AltTextVisitor();
         image.accept(altTextVisitor);
@@ -188,7 +188,8 @@ public void visit(Image image) {
         if (context.shouldSanitizeUrls()) {
             url = context.urlSanitizer().sanitizeImageUrl(url);
         }
-        attrs.put("src", url);
+
+        attrs.put("src", context.encodeUrl(url));
         attrs.put("alt", altText);
         if (image.getTitle() != null) {
             attrs.put("title", image.getTitle());

From a65c78125656e1dc6b75db76d27b006a64386631 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 20 Jan 2020 14:20:04 +1100
Subject: [PATCH 013/450] README: Add note about sanitizeUrls

---
 README.md | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index b9bf09198..97a2c3184 100644
--- a/README.md
+++ b/README.md
@@ -67,12 +67,17 @@ renderer.render(document);  // "<p>This is <em>Sparta</em></p>\n"
 ```
 
 This uses the parser and renderer with default options. Both builders have
-methods for configuring their behavior, e.g. calling `escapeHtml(true)` on
-`HtmlRenderer` will escape raw HTML tags and blocks. For all available
-options, see methods on the builders.
+methods for configuring their behavior:
 
-Note that this library doesn't try to sanitize the resulting HTML; that is
-the responsibility of the caller.
+* `escapeHtml(true)` on `HtmlRenderer` will escape raw HTML tags and blocks.
+* `sanitizeUrls(true)` on `HtmlRenderer` will strip potentially unsafe URLs
+  from `<a>` and `<img>` tags
+* For all available options, see methods on the builders.
+
+Note that this library doesn't try to sanitize the resulting HTML with regards
+to which tags are allowed, etc. That is the responsibility of the caller, and
+if you expose the resulting HTML, you probably want to run a sanitizer on it
+after this.
 
 For rendering to plain text, there's also a `TextContentRenderer` with
 a very similar API.

From 249e751c160d755d3bdc598de6287bedf21f45ed Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 22 Jan 2020 11:26:32 +1100
Subject: [PATCH 014/450] Prepare for 0.14.0 release

---
 CHANGELOG.md                                         |  7 +++++++
 .../renderer/html/HtmlNodeRendererContext.java       |  8 ++++----
 .../org/commonmark/renderer/html/HtmlRenderer.java   | 12 ++++--------
 .../org/commonmark/renderer/html/UrlSanitizer.java   | 10 +++++++---
 4 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1a5d3fac..acd7c044a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [0.14.0] - 2020-01-22
+### Added
+- Add `sanitizeUrls` to `HtmlRenderer.Builder` to enable sanitizing URLs
+  of `<a>` and `<img>` tags. Sanitizing logic can be customized via
+  `urlSanitizer`. Thanks @VandorpeDavid
+
 ## [0.13.1] - 2019-11-25
 ### Fixed
 - Fix potential `StackOverflowError` for regular expressions used in the
@@ -263,6 +269,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[0.14.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.13.1...commonmark-parent-0.14.0
 [0.13.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.13.0...commonmark-parent-0.13.1
 [0.13.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.12.1...commonmark-parent-0.13.0
 [0.12.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.11.0...commonmark-parent-0.12.1
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
index 653f189be..eb950ffa6 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
@@ -1,7 +1,7 @@
 package org.commonmark.renderer.html;
 
-import org.commonmark.node.Link;
 import org.commonmark.node.Image;
+import org.commonmark.node.Link;
 import org.commonmark.node.Node;
 
 import java.util.Map;
@@ -48,14 +48,14 @@ public interface HtmlNodeRendererContext {
     boolean shouldEscapeHtml();
 
     /**
-     *
      * @return true if the {@link UrlSanitizer} should be used.
+     * @since 0.14.0
      */
     boolean shouldSanitizeUrls();
 
     /**
-     *
-     * @return Sanitizer to use for securing {@link Link} href and {@link Image} src if sanitizeUrls is true.
+     * @return Sanitizer to use for securing {@link Link} href and {@link Image} src if {@link #shouldSanitizeUrls()} is true.
+     * @since 0.14.0
      */
     UrlSanitizer urlSanitizer();
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
index e410ae32d..19f53594f 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
@@ -3,11 +3,7 @@
 import org.commonmark.Extension;
 import org.commonmark.internal.renderer.NodeRendererMap;
 import org.commonmark.internal.util.Escaping;
-import org.commonmark.node.HtmlBlock;
-import org.commonmark.node.HtmlInline;
-import org.commonmark.node.Link;
-import org.commonmark.node.Image;
-import org.commonmark.node.Node;
+import org.commonmark.node.*;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.Renderer;
 
@@ -134,10 +130,10 @@ public Builder escapeHtml(boolean escapeHtml) {
 
         /**
          * Whether {@link Image} src and {@link Link} href should be sanitized, defaults to {@code false}.
-         * <p>
          *
          * @param sanitizeUrls true for sanitization, false for preserving raw attribute
          * @return {@code this}
+         * @since 0.14.0
          */
         public Builder sanitizeUrls(boolean sanitizeUrls) {
             this.sanitizeUrls = sanitizeUrls;
@@ -145,11 +141,11 @@ public Builder sanitizeUrls(boolean sanitizeUrls) {
         }
 
         /**
-         * {@link UrlSanitizer} used to filter URL's if sanitizeUrls is true.
-         * <p>
+         * {@link UrlSanitizer} used to filter URL's if {@link #sanitizeUrls} is true.
          *
          * @param urlSanitizer Filterer used to filter {@link Image} src and {@link Link}.
          * @return {@code this}
+         * @since 0.14.0
          */
         public Builder urlSanitizer(UrlSanitizer urlSanitizer) {
             this.urlSanitizer = urlSanitizer;
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/UrlSanitizer.java b/commonmark/src/main/java/org/commonmark/renderer/html/UrlSanitizer.java
index 6ad93e41d..fb48ca361 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/UrlSanitizer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/UrlSanitizer.java
@@ -6,21 +6,25 @@
 /**
  * Sanitizes urls for img and a elements by whitelisting protocols.
  * This is intended to prevent XSS payloads like [Click this totally safe url](javascript:document.xss=true;)
- *
+ * <p>
  * Implementation based on https://github.com/OWASP/java-html-sanitizer/blob/f07e44b034a45d94d6fd010279073c38b6933072/src/main/java/org/owasp/html/FilterUrlByProtocolAttributePolicy.java
+ *
+ * @since 0.14.0
  */
 public interface UrlSanitizer {
     /**
      * Sanitize a url for use in the href attribute of a {@link Link}.
+     *
      * @param url Link to sanitize
      * @return Sanitized link
      */
-    public String sanitizeLinkUrl(String url);
+    String sanitizeLinkUrl(String url);
 
     /**
      * Sanitize a url for use in the src attribute of a {@link Image}.
+     *
      * @param url Link to sanitize
      * @return Sanitized link {@link Image}
      */
-    public String sanitizeImageUrl(String url);
+    String sanitizeImageUrl(String url);
 }

From a62e9cce7109a9bc9a59763caba52c6415bb7031 Mon Sep 17 00:00:00 2001
From: bambooagent <build-agent@atlassian.com>
Date: Wed, 22 Jan 2020 00:34:20 +0000
Subject: [PATCH 015/450] [maven-release-plugin] prepare release
 commonmark-parent-0.14.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 20 ++++++++++----------
 10 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index f9890176d..85ad69f52 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.2-SNAPSHOT</version>
+        <version>0.14.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 06c845fc5..3a8dc7e3b 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.2-SNAPSHOT</version>
+        <version>0.14.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 63e9d682a..9c14b0cdd 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.2-SNAPSHOT</version>
+        <version>0.14.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index ebb917785..1fb33c9e0 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.2-SNAPSHOT</version>
+        <version>0.14.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index b9b7cc122..48a74caa6 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.2-SNAPSHOT</version>
+        <version>0.14.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index e8fae2a11..c45c272da 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.13.2-SNAPSHOT</version>
+        <version>0.14.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index f5036f412..77e75b97e 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.2-SNAPSHOT</version>
+        <version>0.14.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 7b586a947..fe5742b63 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.2-SNAPSHOT</version>
+        <version>0.14.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 8f963b2c1..26ed103d0 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.2-SNAPSHOT</version>
+        <version>0.14.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 0012af0de..82d1f2a00 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.13.2-SNAPSHOT</version>
+    <version>0.14.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -87,42 +87,42 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.13.2-SNAPSHOT</version>
+                <version>0.14.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.13.2-SNAPSHOT</version>
+                <version>0.14.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.13.2-SNAPSHOT</version>
+                <version>0.14.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.13.2-SNAPSHOT</version>
+                <version>0.14.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.13.2-SNAPSHOT</version>
+                <version>0.14.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.13.2-SNAPSHOT</version>
+                <version>0.14.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.13.2-SNAPSHOT</version>
+                <version>0.14.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.13.2-SNAPSHOT</version>
+                <version>0.14.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -195,7 +195,7 @@
         <connection>scm:git:git@github.com:atlassian/commonmark-java.git</connection>
         <developerConnection>scm:git:git@github.com:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.14.0</tag>
     </scm>
 
 </project>

From bc297257c3594e02937d3239982b3f9867ddfc89 Mon Sep 17 00:00:00 2001
From: bambooagent <build-agent@atlassian.com>
Date: Wed, 22 Jan 2020 00:34:27 +0000
Subject: [PATCH 016/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 20 ++++++++++----------
 10 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 85ad69f52..80dd347f1 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.0</version>
+        <version>0.14.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 3a8dc7e3b..3df0581e6 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.0</version>
+        <version>0.14.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 9c14b0cdd..ad69f1795 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.0</version>
+        <version>0.14.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 1fb33c9e0..ca797b7be 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.0</version>
+        <version>0.14.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 48a74caa6..6f8c59318 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.0</version>
+        <version>0.14.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index c45c272da..d4534ec55 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.14.0</version>
+        <version>0.14.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 77e75b97e..6f2bdf0fe 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.0</version>
+        <version>0.14.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index fe5742b63..efb27f330 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.0</version>
+        <version>0.14.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 26ed103d0..4850b2b45 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.0</version>
+        <version>0.14.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 82d1f2a00..ae01c90f1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.14.0</version>
+    <version>0.14.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -87,42 +87,42 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.14.0</version>
+                <version>0.14.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.14.0</version>
+                <version>0.14.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.14.0</version>
+                <version>0.14.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.14.0</version>
+                <version>0.14.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.14.0</version>
+                <version>0.14.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.14.0</version>
+                <version>0.14.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.14.0</version>
+                <version>0.14.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.14.0</version>
+                <version>0.14.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -195,7 +195,7 @@
         <connection>scm:git:git@github.com:atlassian/commonmark-java.git</connection>
         <developerConnection>scm:git:git@github.com:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>commonmark-parent-0.14.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From 6999ad7c0ed1642d4562dc981535ac50eb07a8b0 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 22 Jan 2020 11:41:27 +1100
Subject: [PATCH 017/450] Bump versions in docs

---
 README.md                          | 4 ++--
 commonmark-android-test/.travis.sh | 2 +-
 commonmark-android-test/README.md  | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 97a2c3184..1ebe736a5 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.13.1</version>
+    <version>0.14.0</version>
 </dependency>
 ```
 
@@ -232,7 +232,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.13.1</version>
+    <version>0.14.0</version>
 </dependency>
 ```
 
diff --git a/commonmark-android-test/.travis.sh b/commonmark-android-test/.travis.sh
index cf6a74a9b..781568ce1 100755
--- a/commonmark-android-test/.travis.sh
+++ b/commonmark-android-test/.travis.sh
@@ -8,7 +8,7 @@ autolink_version=$(cd ../commonmark-ext-autolink && mvn help:evaluate -Dexpressi
 
 touch test.properties
 echo "path.report=../report" >> test.properties
-echo "version.maven=0.13.1" >> test.properties
+echo "version.maven=0.14.0" >> test.properties
 echo "version.maven_autolink=0.10.0" >> test.properties
 echo "version.snapshot=$version" >> test.properties
 echo "version.snapshot_autolink=$autolink_version" >> test.properties
diff --git a/commonmark-android-test/README.md b/commonmark-android-test/README.md
index 35141426e..452556a63 100644
--- a/commonmark-android-test/README.md
+++ b/commonmark-android-test/README.md
@@ -28,12 +28,12 @@ sdk.dir=/path_to_android_sdk
 path.report=../report
 
 # Version number of commonmark and extensions in maven central.
-version.maven=0.13.1
+version.maven=0.14.0
 # Version number of autolink in maven central (not bundled with extension jar).
 version.maven_autolink=0.10.0
 
 # Version number of commonmark and extensions in project.
-version.snapshot=0.13.1-SNAPSHOT
+version.snapshot=0.14.1-SNAPSHOT
 # Version number of autolink for snapshots (not bundled in extension jar).
 version.snapshot_autolink=0.10.0
 ```

From 6da6d8ff122d88f66a09a6c312ac77a35ef12ede Mon Sep 17 00:00:00 2001
From: "Sean C. Sullivan" <github@seansullivan.com>
Date: Tue, 17 Mar 2020 18:09:35 -0700
Subject: [PATCH 018/450] maven-compiler-plugin 3.8.1

---
 pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index ae01c90f1..24d91e58e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,7 +42,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.7.0</version>
+                    <version>3.8.1</version>
                     <configuration>
                         <source>7</source>
                         <target>7</target>

From 0d5c6c48bc5339182c3470d7886b8108fd2b7baa Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Mon, 23 Mar 2020 17:45:54 +1100
Subject: [PATCH 019/450] An extension for adding styles to nodes

* style elements are given as key=value pairs inside curly braces, for example:
    ![text](/url.png){height=5 width=6}
  after the node to which the apply
* only allow height and width as the supported set of style keys
* only support styles for image nodes
---
 commonmark-ext-styles/pom.xml                 | 47 +++++++++
 .../org/commonmark/ext/styles/Styles.java     | 35 +++++++
 .../ext/styles/StylesExtension.java           | 43 ++++++++
 .../internal/StylesAttributeProvider.java     | 46 +++++++++
 .../internal/StylesDelimiterProcessor.java    | 51 ++++++++++
 .../src/main/javadoc/overview.html            |  6 ++
 .../org/commonmark/ext/styles/StylesTest.java | 99 +++++++++++++++++++
 pom.xml                                       |  1 +
 8 files changed, 328 insertions(+)
 create mode 100644 commonmark-ext-styles/pom.xml
 create mode 100644 commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/Styles.java
 create mode 100644 commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java
 create mode 100644 commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java
 create mode 100644 commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java
 create mode 100644 commonmark-ext-styles/src/main/javadoc/overview.html
 create mode 100644 commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java

diff --git a/commonmark-ext-styles/pom.xml b/commonmark-ext-styles/pom.xml
new file mode 100644
index 000000000..eaff86343
--- /dev/null
+++ b/commonmark-ext-styles/pom.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.atlassian.commonmark</groupId>
+        <artifactId>commonmark-parent</artifactId>
+        <version>0.13.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>commonmark-ext-styles</artifactId>
+    <name>commonmark-java extension for styles</name>
+    <description>commonmark-java extension for adding style details to images</description>
+
+    <properties>
+        <autolink.version>0.10.0</autolink.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.atlassian.commonmark</groupId>
+            <artifactId>commonmark</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.atlassian.commonmark</groupId>
+            <artifactId>commonmark-test-util</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifestEntries>
+                            <Automatic-Module-Name>org.commonmark.ext.styles</Automatic-Module-Name>
+                        </manifestEntries>
+                    </archive>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/Styles.java b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/Styles.java
new file mode 100644
index 000000000..f2c067e1b
--- /dev/null
+++ b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/Styles.java
@@ -0,0 +1,35 @@
+package org.commonmark.ext.styles;
+
+import org.commonmark.node.CustomNode;
+import org.commonmark.node.Delimited;
+
+/**
+ * A styles node containing text and other inline nodes as children.
+ */
+public class Styles extends CustomNode implements Delimited {
+
+    private final String styles;
+
+    public Styles(String styles) {
+        this.styles = styles;
+    }
+
+    @Override
+    public String getOpeningDelimiter() {
+        return "{";
+    }
+
+    @Override
+    public String getClosingDelimiter() {
+        return "}";
+    }
+
+    public String getStyles() {
+        return styles;
+    }
+
+    @Override
+    protected String toStringAttributes() {
+        return "styles=" + styles;
+    }
+}
diff --git a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java
new file mode 100644
index 000000000..311e3f4d1
--- /dev/null
+++ b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java
@@ -0,0 +1,43 @@
+package org.commonmark.ext.styles;
+
+import org.commonmark.Extension;
+import org.commonmark.ext.styles.internal.StylesAttributeProvider;
+import org.commonmark.ext.styles.internal.StylesDelimiterProcessor;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.AttributeProvider;
+import org.commonmark.renderer.html.AttributeProviderContext;
+import org.commonmark.renderer.html.AttributeProviderFactory;
+import org.commonmark.renderer.html.HtmlRenderer;
+
+/**
+ * Extension for adding styles to nodes.
+ * <p>
+ * Create it with {@link #create()} and then configure it on the builders
+ * ({@link org.commonmark.parser.Parser.Builder#extensions(Iterable)},
+ * {@link HtmlRenderer.Builder#extensions(Iterable)}).
+ * </p>
+ */
+public class StylesExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension {
+
+    private StylesExtension() {
+    }
+
+    static Extension create() {
+        return new StylesExtension();
+    }
+
+    @Override
+    public void extend(Parser.Builder parserBuilder) {
+        parserBuilder.customDelimiterProcessor(new StylesDelimiterProcessor());
+    }
+
+    @Override
+    public void extend(HtmlRenderer.Builder rendererBuilder) {
+        rendererBuilder.attributeProviderFactory(new AttributeProviderFactory() {
+            @Override
+            public AttributeProvider create(AttributeProviderContext context) {
+                return StylesAttributeProvider.create();
+            }
+        });
+    }
+}
diff --git a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java
new file mode 100644
index 000000000..850682b06
--- /dev/null
+++ b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java
@@ -0,0 +1,46 @@
+package org.commonmark.ext.styles.internal;
+
+import org.commonmark.ext.styles.Styles;
+import org.commonmark.node.AbstractVisitor;
+import org.commonmark.node.CustomNode;
+import org.commonmark.node.Image;
+import org.commonmark.node.Node;
+import org.commonmark.renderer.html.AttributeProvider;
+
+import java.util.*;
+
+public class StylesAttributeProvider implements AttributeProvider {
+
+    // Only allow a defined set of styles to be used.
+    private static final Set<String> SUPPORTED_STYLES = Collections.unmodifiableSet(
+            new HashSet<>(Arrays.asList("width", "height")));
+
+    private StylesAttributeProvider() {
+    }
+
+    public static StylesAttributeProvider create() {
+        return new StylesAttributeProvider();
+    }
+
+    @Override
+    public void setAttributes(Node node, String tagName, final Map<String, String> attributes) {
+        if (node instanceof Image) {
+            node.accept(new AbstractVisitor() {
+                @Override
+                public void visit(CustomNode node) {
+                    if (node instanceof Styles) {
+                        Styles styles = (Styles) node;
+                        for (String s: styles.getStyles().split(" ")) {
+                            String[] attribute = s.split("=");
+                            if (SUPPORTED_STYLES.contains(attribute[0].toLowerCase())) {
+                                attributes.put(attribute[0], attribute[1]);
+                            }
+                        }
+                        // Now that we have used the styles we remove the node.
+                        styles.unlink();
+                    }
+                }
+            });
+        }
+    }
+}
diff --git a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java
new file mode 100644
index 000000000..a4b5d6bd3
--- /dev/null
+++ b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java
@@ -0,0 +1,51 @@
+package org.commonmark.ext.styles.internal;
+
+import org.commonmark.ext.styles.Styles;
+import org.commonmark.node.Node;
+import org.commonmark.node.Text;
+import org.commonmark.parser.delimiter.DelimiterProcessor;
+import org.commonmark.parser.delimiter.DelimiterRun;
+
+public class StylesDelimiterProcessor implements DelimiterProcessor {
+
+    @Override
+    public char getOpeningCharacter() {
+        return '{';
+    }
+
+    @Override
+    public char getClosingCharacter() {
+        return '}';
+    }
+
+    @Override
+    public int getMinLength() {
+        return 1;
+    }
+
+    @Override
+    public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
+        return 1;
+    }
+
+    @Override
+    public void process(Text opener, Text closer, int delimiterCount) {
+        StringBuilder styleString = new StringBuilder();
+        Node tmp = opener.getNext();
+        while (tmp != null && tmp != closer) {
+            Node next = tmp.getNext();
+            if (tmp instanceof Text) {
+                styleString.append(((Text) tmp).getLiteral());
+                // Unlink the tmp node, now that we have retrieved its value.
+                tmp.unlink();
+            }
+            tmp = next;
+        }
+
+        Styles styles = new Styles(styleString.toString());
+
+        // The styles node is added as a child of the node to which the styles apply.
+        Node nodeToStyle = opener.getPrevious();
+        nodeToStyle.appendChild(styles);
+    }
+}
diff --git a/commonmark-ext-styles/src/main/javadoc/overview.html b/commonmark-ext-styles/src/main/javadoc/overview.html
new file mode 100644
index 000000000..5f673e320
--- /dev/null
+++ b/commonmark-ext-styles/src/main/javadoc/overview.html
@@ -0,0 +1,6 @@
+<html>
+<body>
+<b>Extension for adding styles to nodes</b>
+<p>See {@link org.commonmark.ext.styles.StylesExtension}</p>
+</body>
+</html>
diff --git a/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java b/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java
new file mode 100644
index 000000000..ee598eb5e
--- /dev/null
+++ b/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java
@@ -0,0 +1,99 @@
+package org.commonmark.ext.styles;
+
+import org.commonmark.Extension;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.testutil.RenderingTestCase;
+import org.junit.Test;
+
+import java.util.Collections;
+import java.util.Set;
+
+public class StylesTest extends RenderingTestCase {
+
+    private static final Set<Extension> EXTENSIONS = Collections.singleton(StylesExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
+
+    @Test
+    public void baseCase() {
+        assertRendering("![text](/url.png){height=5}",
+                "<p><img src=\"/url.png\" alt=\"text\" height=\"5\" /></p>\n");
+
+        assertRendering("![text](/url.png){height=5 width=6}",
+                "<p><img src=\"/url.png\" alt=\"text\" height=\"5\" width=\"6\" /></p>\n");
+
+        assertRendering("![text](/url.png){height=99px width=100px}",
+                "<p><img src=\"/url.png\" alt=\"text\" height=\"99px\" width=\"100px\" /></p>\n");
+
+        assertRendering("![text](/url.png){width=100 height=100}",
+                "<p><img src=\"/url.png\" alt=\"text\" width=\"100\" height=\"100\" /></p>\n");
+
+        assertRendering("![text](/url.png){height=4.8 width=3.14}",
+                "<p><img src=\"/url.png\" alt=\"text\" height=\"4.8\" width=\"3.14\" /></p>\n");
+
+        assertRendering("![text](/url.png){Width=18 HeIgHt=1001}",
+                "<p><img src=\"/url.png\" alt=\"text\" Width=\"18\" HeIgHt=\"1001\" /></p>\n");
+
+        assertRendering("![text](/url.png){height=green width=blue}",
+                "<p><img src=\"/url.png\" alt=\"text\" height=\"green\" width=\"blue\" /></p>\n");
+    }
+
+    @Test
+    public void doubleDelimiters() {
+        assertRendering("![text](/url.png){{height=5}}",
+                "<p><img src=\"/url.png\" alt=\"text\" height=\"5\" /></p>\n");
+    }
+
+    @Test
+    public void mismatchingDelimitersAreIgnored() {
+        assertRendering("![text](/url.png){", "<p><img src=\"/url.png\" alt=\"text\" />{</p>\n");
+    }
+
+    @Test
+    public void unsupportedStyleNamesAreRemoved() {
+        assertRendering("![text](/url.png){j=502 K=101 img=2 url=5}", "<p><img src=\"/url.png\" alt=\"text\" /></p>\n");
+    }
+
+    @Test
+    public void repeatedStyleNameUsesFinalOne() {
+        assertRendering("![text](/url.png){height=4 height=5 width=1 height=6}",
+                "<p><img src=\"/url.png\" alt=\"text\" height=\"6\" width=\"1\" /></p>\n");    }
+
+    @Test
+    public void styleValuesAreEscaped() {
+        assertRendering("![text](/url.png){height=<img}",
+                "<p><img src=\"/url.png\" alt=\"text\" height=\"&lt;img\" /></p>\n");
+        assertRendering("![text](/url.png){height=\"\"img}",
+                "<p><img src=\"/url.png\" alt=\"text\" height=\"&quot;&quot;img\" /></p>\n");
+    }
+
+    @Test
+    public void imageAltTextWithSpaces() {
+        assertRendering("![Android SDK Manager](/contrib/android-sdk-manager.png){height=502 width=101}",
+                "<p><img src=\"/contrib/android-sdk-manager.png\" alt=\"Android SDK Manager\" height=\"502\" width=\"101\" /></p>\n");
+    }
+
+    @Test
+    public void imageAltTextWithSoftLineBreak() {
+        assertRendering("![foo\nbar](/url){height=101 width=202}\n",
+                "<p><img src=\"/url\" alt=\"foo\nbar\" height=\"101\" width=\"202\" /></p>\n");
+    }
+
+    @Test
+    public void imageAltTextWithHardLineBreak() {
+        assertRendering("![foo  \nbar](/url){height=506 width=1}\n",
+                "<p><img src=\"/url\" alt=\"foo\nbar\" height=\"506\" width=\"1\" /></p>\n");
+    }
+
+    @Test
+    public void imageAltTextWithEntities() {
+        assertRendering("![foo &auml;](/url){height=99 width=100}\n",
+                "<p><img src=\"/url\" alt=\"foo \u00E4\" height=\"99\" width=\"100\" /></p>\n");
+    }
+
+    @Override
+    protected String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+}
diff --git a/pom.xml b/pom.xml
index ae01c90f1..f56cd792f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,6 +26,7 @@
         <module>commonmark-ext-gfm-tables</module>
         <module>commonmark-ext-heading-anchor</module>
         <module>commonmark-ext-ins</module>
+        <module>commonmark-ext-styles</module>
         <module>commonmark-ext-yaml-front-matter</module>
         <module>commonmark-integration-test</module>
         <module>commonmark-test-util</module>

From 5ddcc1ca30e0e602b32b9bf96d2d793497929d06 Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Mon, 23 Mar 2020 18:15:22 +1100
Subject: [PATCH 020/450] Fixed snapshot version in
 commonmark-ext-styles/pom.xml

---
 commonmark-ext-styles/pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark-ext-styles/pom.xml b/commonmark-ext-styles/pom.xml
index eaff86343..701b42e4b 100644
--- a/commonmark-ext-styles/pom.xml
+++ b/commonmark-ext-styles/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.13.1-SNAPSHOT</version>
+        <version>0.14.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-styles</artifactId>

From dc67f1bd5ffddec796a361c6a26a249b53b65158 Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Mon, 23 Mar 2020 18:23:47 +1100
Subject: [PATCH 021/450] Removed unneeded property

---
 commonmark-ext-styles/pom.xml | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/commonmark-ext-styles/pom.xml b/commonmark-ext-styles/pom.xml
index 701b42e4b..90ace5404 100644
--- a/commonmark-ext-styles/pom.xml
+++ b/commonmark-ext-styles/pom.xml
@@ -11,10 +11,6 @@
     <name>commonmark-java extension for styles</name>
     <description>commonmark-java extension for adding style details to images</description>
 
-    <properties>
-        <autolink.version>0.10.0</autolink.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>com.atlassian.commonmark</groupId>

From 94b32d0876014a990b8e98cb57627a2641f0b8d1 Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Tue, 24 Mar 2020 12:09:53 +1100
Subject: [PATCH 022/450] Made a few small changes related to early review
 feedback:

* added info to README.md about the new commonmark-ext-styles artifact
* made the create() method public on StylesExtension
* added negative test case for text nodes to StylesTest
---
 README.md                                             | 11 +++++++++++
 .../org/commonmark/ext/styles/StylesExtension.java    |  2 +-
 .../java/org/commonmark/ext/styles/StylesTest.java    |  8 ++++++++
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 1ebe736a5..6ed463b47 100644
--- a/README.md
+++ b/README.md
@@ -319,6 +319,17 @@ document start here
 
 Use class `YamlFrontMatterExtension` in artifact `commonmark-ext-yaml-front-matter`. To fetch metadata, use `YamlFrontMatterVisitor`.
 
+### Styles
+
+Adds support for specifying style details (specifically height and width) for images.
+
+The style elements are given as key=value pairs inside curly braces after the node to which they apply, for example:
+```
+![text](/url.png){height=5 width=6}
+```
+
+Use class `StylesExtension` in artifact `commonmark-ext-styles`.
+
 See also
 --------
 
diff --git a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java
index 311e3f4d1..ecd2df57a 100644
--- a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java
+++ b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java
@@ -22,7 +22,7 @@ public class StylesExtension implements Parser.ParserExtension, HtmlRenderer.Htm
     private StylesExtension() {
     }
 
-    static Extension create() {
+    public static Extension create() {
         return new StylesExtension();
     }
 
diff --git a/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java b/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java
index ee598eb5e..066715af3 100644
--- a/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java
+++ b/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java
@@ -92,6 +92,14 @@ public void imageAltTextWithEntities() {
                 "<p><img src=\"/url\" alt=\"foo \u00E4\" height=\"99\" width=\"100\" /></p>\n");
     }
 
+    @Test
+    public void textNodesAreUnchanged() {
+        assertRendering("This is some text with random styles immediately afterwards{height=20}\n",
+                "<p>This is some text with random styles immediately afterwards</p>\n");
+        assertRendering("This is some text with random styles after a space {width=100px}\n",
+                "<p>This is some text with random styles after a space </p>\n");
+    }
+
     @Override
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));

From b155133beab4b230d7cb9c86b613a8293ff77ed7 Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Sat, 28 Mar 2020 16:12:52 +1100
Subject: [PATCH 023/450] Further changes related to pull request feedback:

* Added more details to README.md
  * added HTML output that gets produced by the example
  * added comment that curly braces cannot be reused by other delimiter processors
* fallback to text if the attributes cannot be parsed
  * added checks to StylesDelimiterProcessor that attribute names are in SUPPORTED_STYLES, and that node is an Image type
  * added support to StylesDelimiterProcessor for falling back to text (need to add back the opening and closing
    characters)
  * removed SUPPORTED_STYLES from StylesAttributeProvider (as the check is now performed in StylesDelimiterProcessor)
* changed the styles splitting to use "\\s+" rather than single " " in StylesDelimiterProcessor/StylesAttributeProvider
* added/updated tests in StylesTest related to falling back to text
---
 README.md                                     |   9 +-
 .../internal/StylesAttributeProvider.java     |  10 +-
 .../internal/StylesDelimiterProcessor.java    | 100 ++++++++++++++++--
 .../org/commonmark/ext/styles/StylesTest.java |  19 ++--
 4 files changed, 112 insertions(+), 26 deletions(-)

diff --git a/README.md b/README.md
index 6ed463b47..f717e037a 100644
--- a/README.md
+++ b/README.md
@@ -323,13 +323,20 @@ Use class `YamlFrontMatterExtension` in artifact `commonmark-ext-yaml-front-matt
 
 Adds support for specifying style details (specifically height and width) for images.
 
-The style elements are given as key=value pairs inside curly braces after the node to which they apply, for example:
+The style elements are given as `key=value` pairs inside curly braces `{ }` after the node to which they apply, for example:
 ```
 ![text](/url.png){height=5 width=6}
 ```
+will be rendered as:
+```
+<img src="/url.png" alt="text" height="5" width="6" />
+```
 
 Use class `StylesExtension` in artifact `commonmark-ext-styles`.
 
+Note: since this extension uses curly braces `{` `}` as its delimiters (in `StylesDelimiterProcessor`), this means that other delimiter
+processors *cannot* use curly braces for delimiting.
+
 See also
 --------
 
diff --git a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java
index 850682b06..3ebd2c3f1 100644
--- a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java
+++ b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java
@@ -11,10 +11,6 @@
 
 public class StylesAttributeProvider implements AttributeProvider {
 
-    // Only allow a defined set of styles to be used.
-    private static final Set<String> SUPPORTED_STYLES = Collections.unmodifiableSet(
-            new HashSet<>(Arrays.asList("width", "height")));
-
     private StylesAttributeProvider() {
     }
 
@@ -30,11 +26,9 @@ public void setAttributes(Node node, String tagName, final Map<String, String> a
                 public void visit(CustomNode node) {
                     if (node instanceof Styles) {
                         Styles styles = (Styles) node;
-                        for (String s: styles.getStyles().split(" ")) {
+                        for (String s : styles.getStyles().split("\\s+")) {
                             String[] attribute = s.split("=");
-                            if (SUPPORTED_STYLES.contains(attribute[0].toLowerCase())) {
-                                attributes.put(attribute[0], attribute[1]);
-                            }
+                            attributes.put(attribute[0], attribute[1]);
                         }
                         // Now that we have used the styles we remove the node.
                         styles.unlink();
diff --git a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java
index a4b5d6bd3..ddefd5c99 100644
--- a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java
+++ b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java
@@ -1,13 +1,20 @@
 package org.commonmark.ext.styles.internal;
 
 import org.commonmark.ext.styles.Styles;
+import org.commonmark.node.Image;
 import org.commonmark.node.Node;
 import org.commonmark.node.Text;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.parser.delimiter.DelimiterRun;
 
+import java.util.*;
+
 public class StylesDelimiterProcessor implements DelimiterProcessor {
 
+    // Only allow a defined set of styles to be used.
+    private static final Set<String> SUPPORTED_STYLES = Collections.unmodifiableSet(
+            new HashSet<>(Arrays.asList("width", "height")));
+
     @Override
     public char getOpeningCharacter() {
         return '{';
@@ -30,22 +37,95 @@ public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
 
     @Override
     public void process(Text opener, Text closer, int delimiterCount) {
-        StringBuilder styleString = new StringBuilder();
+        // Check if the attributes can be applied - if the previous node is an Image, and if all the attributes are in
+        // the set of SUPPORTED_STYLES
+        if (opener.getPrevious() instanceof Image) {
+            boolean canApply = true;
+            List<Node> toUnlink = new ArrayList<>();
+
+            StringBuilder styleString = new StringBuilder();
+            Node tmp = opener.getNext();
+            while (tmp != null && tmp != closer) {
+                Node next = tmp.getNext();
+                // Only Text nodes can be used for attributes
+                if (tmp instanceof Text) {
+                    String styles = ((Text) tmp).getLiteral();
+                    for (String s : styles.split("\\s+")) {
+                        String[] attribute = s.split("=");
+                        // Check if the attribute is in SUPPORTED_STYLES.
+                        if (SUPPORTED_STYLES.contains(attribute[0].toLowerCase())) {
+                            styleString.append(((Text) tmp).getLiteral());
+                            // The tmp node can be unlinked, as we have retrieved its value.
+                            toUnlink.add(tmp);
+                        } else {
+                            // This attribute is not supported, so break here (no need to check any further ones).
+                            canApply = false;
+                            break;
+                        }
+                    }
+                } else {
+                    // This node type is not supported, so break here (no need to check any further ones).
+                    canApply = false;
+                    break;
+                }
+                tmp = next;
+            }
+
+            // Only if all of the above checks pass can the attributes be applied.
+            if (canApply) {
+                // Unlink the tmp nodes
+                for (Node node : toUnlink) {
+                    node.unlink();
+                }
+
+                if (styleString.length() > 0) {
+                    Styles styles = new Styles(styleString.toString());
+
+                    // The styles node is added as a child of the node to which the styles apply.
+                    Node nodeToStyle = opener.getPrevious();
+                    nodeToStyle.appendChild(styles);
+                }
+                return;
+            }
+        }
+
+        // If we got here then the attributes cannot be applied, so fallback to leaving the text unchanged.
+        // Need to add back the opening and closing characters (which are removed elsewhere).
+        if (opener.getPrevious() == null) {
+            opener.getParent().prependChild(new Text("" + getOpeningCharacter()));
+        } else {
+            opener.getPrevious().insertAfter(new Text("" + getOpeningCharacter()));
+        }
+        closer.getParent().appendChild(new Text("" + getClosingCharacter()));
+    }
+
+    /**
+     * Check that the attributes can be applied to the previous node.
+     * @param opener the text node that contained the opening delimiter
+     * @param closer the text node that contained the closing delimiter
+     * @return true if the previous node is an Image and the attributes are in the set of {@link #SUPPORTED_STYLES}
+     */
+    private boolean canApply(Text opener, Text closer) {
+        if (!(opener.getPrevious() instanceof Image)) {
+            return false;
+        }
+
         Node tmp = opener.getNext();
         while (tmp != null && tmp != closer) {
             Node next = tmp.getNext();
             if (tmp instanceof Text) {
-                styleString.append(((Text) tmp).getLiteral());
-                // Unlink the tmp node, now that we have retrieved its value.
-                tmp.unlink();
+                String styles = ((Text) tmp).getLiteral();
+                for (String s : styles.split("\\s+")) {
+                    String[] attribute = s.split("=");
+                    if (!SUPPORTED_STYLES.contains(attribute[0].toLowerCase())) {
+                        return false;
+                    }
+                }
+            } else {
+                return false;
             }
             tmp = next;
         }
-
-        Styles styles = new Styles(styleString.toString());
-
-        // The styles node is added as a child of the node to which the styles apply.
-        Node nodeToStyle = opener.getPrevious();
-        nodeToStyle.appendChild(styles);
+        return true;
     }
 }
diff --git a/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java b/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java
index 066715af3..da2aedd3b 100644
--- a/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java
+++ b/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java
@@ -23,7 +23,7 @@ public void baseCase() {
         assertRendering("![text](/url.png){height=5 width=6}",
                 "<p><img src=\"/url.png\" alt=\"text\" height=\"5\" width=\"6\" /></p>\n");
 
-        assertRendering("![text](/url.png){height=99px width=100px}",
+        assertRendering("![text](/url.png){height=99px   width=100px}",
                 "<p><img src=\"/url.png\" alt=\"text\" height=\"99px\" width=\"100px\" /></p>\n");
 
         assertRendering("![text](/url.png){width=100 height=100}",
@@ -51,8 +51,13 @@ public void mismatchingDelimitersAreIgnored() {
     }
 
     @Test
-    public void unsupportedStyleNamesAreRemoved() {
-        assertRendering("![text](/url.png){j=502 K=101 img=2 url=5}", "<p><img src=\"/url.png\" alt=\"text\" /></p>\n");
+    public void unsupportedStyleNamesAreLeftUnchanged() {
+        assertRendering("![text](/url.png){j=502 K=101 img=2 url=5}",
+                "<p><img src=\"/url.png\" alt=\"text\" />{j=502 K=101 img=2 url=5}</p>\n");
+        assertRendering("![foo](/url.png){height=3 invalid}\n",
+                "<p><img src=\"/url.png\" alt=\"foo\" />{height=3 invalid}</p>\n");
+        assertRendering("![foo](/url.png){height=3 *test*}\n",
+                "<p><img src=\"/url.png\" alt=\"foo\" />{height=3 <em>test</em>}</p>\n");
     }
 
     @Test
@@ -94,10 +99,10 @@ public void imageAltTextWithEntities() {
 
     @Test
     public void textNodesAreUnchanged() {
-        assertRendering("This is some text with random styles immediately afterwards{height=20}\n",
-                "<p>This is some text with random styles immediately afterwards</p>\n");
-        assertRendering("This is some text with random styles after a space {width=100px}\n",
-                "<p>This is some text with random styles after a space </p>\n");
+        assertRendering("x{height=3 width=4}\n", "<p>x{height=3 width=4}</p>\n");
+        assertRendering("x {height=3 width=4}\n", "<p>x {height=3 width=4}</p>\n");
+        assertRendering("\\documentclass[12pt]{article}\n", "<p>\\documentclass[12pt]{article}</p>\n");
+        assertRendering("some *text*{height=3 width=4}\n", "<p>some <em>text</em>{height=3 width=4}</p>\n");
     }
 
     @Override

From 9d192978dc36ad26b23233fdf8570f21947632f2 Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Sat, 28 Mar 2020 16:47:08 +1100
Subject: [PATCH 024/450] Changes related to pull request feedback:

* renamed "Styles" to "Image Attributes"
* renamed "Styles*" classes to "ImageAttributes*"
* moved package to "org.commonmark.ext.image.attributes"
* moved artifact to "commonmark-ext-image-attributes"
* renamed "style"/"styles" variables to "attributes"
---
 README.md                                     | 13 +++----
 .../pom.xml                                   |  8 ++---
 .../ext/image/attributes/ImageAttributes.java | 35 +++++++++++++++++++
 .../attributes/ImageAttributesExtension.java  | 18 +++++-----
 .../ImageAttributesAttributeProvider.java     | 22 ++++++------
 .../ImageAttributesDelimiterProcessor.java    | 34 +++++++++---------
 .../src/main/javadoc/overview.html            |  6 ++++
 .../image/attributes/ImageAttributesTest.java |  6 ++--
 .../org/commonmark/ext/styles/Styles.java     | 35 -------------------
 .../src/main/javadoc/overview.html            |  6 ----
 pom.xml                                       |  2 +-
 11 files changed, 93 insertions(+), 92 deletions(-)
 rename {commonmark-ext-styles => commonmark-ext-image-attributes}/pom.xml (83%)
 create mode 100644 commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributes.java
 rename commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java => commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributesExtension.java (60%)
 rename commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java => commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java (50%)
 rename commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java => commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java (76%)
 create mode 100644 commonmark-ext-image-attributes/src/main/javadoc/overview.html
 rename commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java => commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java (96%)
 delete mode 100644 commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/Styles.java
 delete mode 100644 commonmark-ext-styles/src/main/javadoc/overview.html

diff --git a/README.md b/README.md
index f717e037a..264478ae1 100644
--- a/README.md
+++ b/README.md
@@ -319,11 +319,12 @@ document start here
 
 Use class `YamlFrontMatterExtension` in artifact `commonmark-ext-yaml-front-matter`. To fetch metadata, use `YamlFrontMatterVisitor`.
 
-### Styles
+### Image Attributes
 
-Adds support for specifying style details (specifically height and width) for images.
+Adds support for specifying attributes (specifically height and width) for images.
 
-The style elements are given as `key=value` pairs inside curly braces `{ }` after the node to which they apply, for example:
+The attribute elements are given as `key=value` pairs inside curly braces `{ }` after the image node to which they apply,
+for example:
 ```
 ![text](/url.png){height=5 width=6}
 ```
@@ -332,10 +333,10 @@ will be rendered as:
 <img src="/url.png" alt="text" height="5" width="6" />
 ```
 
-Use class `StylesExtension` in artifact `commonmark-ext-styles`.
+Use class `StylesExtension` in artifact `commonmark-ext-image-attributes`.
 
-Note: since this extension uses curly braces `{` `}` as its delimiters (in `StylesDelimiterProcessor`), this means that other delimiter
-processors *cannot* use curly braces for delimiting.
+Note: since this extension uses curly braces `{` `}` as its delimiters (in `StylesDelimiterProcessor`), this means that
+other delimiter processors *cannot* use curly braces for delimiting.
 
 See also
 --------
diff --git a/commonmark-ext-styles/pom.xml b/commonmark-ext-image-attributes/pom.xml
similarity index 83%
rename from commonmark-ext-styles/pom.xml
rename to commonmark-ext-image-attributes/pom.xml
index 90ace5404..9fe11a3b6 100644
--- a/commonmark-ext-styles/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -7,9 +7,9 @@
         <version>0.14.1-SNAPSHOT</version>
     </parent>
 
-    <artifactId>commonmark-ext-styles</artifactId>
-    <name>commonmark-java extension for styles</name>
-    <description>commonmark-java extension for adding style details to images</description>
+    <artifactId>commonmark-ext-image-attributes</artifactId>
+    <name>commonmark-java extension for image attributes</name>
+    <description>commonmark-java extension for adding attributes to images</description>
 
     <dependencies>
         <dependency>
@@ -32,7 +32,7 @@
                 <configuration>
                     <archive>
                         <manifestEntries>
-                            <Automatic-Module-Name>org.commonmark.ext.styles</Automatic-Module-Name>
+                            <Automatic-Module-Name>org.commonmark.ext.image.attributes</Automatic-Module-Name>
                         </manifestEntries>
                     </archive>
                 </configuration>
diff --git a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributes.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributes.java
new file mode 100644
index 000000000..c0173ab02
--- /dev/null
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributes.java
@@ -0,0 +1,35 @@
+package org.commonmark.ext.image.attributes;
+
+import org.commonmark.node.CustomNode;
+import org.commonmark.node.Delimited;
+
+/**
+ * A node containing text and other inline nodes as children.
+ */
+public class ImageAttributes extends CustomNode implements Delimited {
+
+    private final String attributes;
+
+    public ImageAttributes(String attributes) {
+        this.attributes = attributes;
+    }
+
+    @Override
+    public String getOpeningDelimiter() {
+        return "{";
+    }
+
+    @Override
+    public String getClosingDelimiter() {
+        return "}";
+    }
+
+    public String getAttributes() {
+        return attributes;
+    }
+
+    @Override
+    protected String toStringAttributes() {
+        return "imageAttributes=" + attributes;
+    }
+}
diff --git a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributesExtension.java
similarity index 60%
rename from commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java
rename to commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributesExtension.java
index ecd2df57a..1edfb443b 100644
--- a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/StylesExtension.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributesExtension.java
@@ -1,8 +1,8 @@
-package org.commonmark.ext.styles;
+package org.commonmark.ext.image.attributes;
 
 import org.commonmark.Extension;
-import org.commonmark.ext.styles.internal.StylesAttributeProvider;
-import org.commonmark.ext.styles.internal.StylesDelimiterProcessor;
+import org.commonmark.ext.image.attributes.internal.ImageAttributesAttributeProvider;
+import org.commonmark.ext.image.attributes.internal.ImageAttributesDelimiterProcessor;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.AttributeProvider;
 import org.commonmark.renderer.html.AttributeProviderContext;
@@ -10,25 +10,25 @@
 import org.commonmark.renderer.html.HtmlRenderer;
 
 /**
- * Extension for adding styles to nodes.
+ * Extension for adding attributes to image nodes.
  * <p>
  * Create it with {@link #create()} and then configure it on the builders
  * ({@link org.commonmark.parser.Parser.Builder#extensions(Iterable)},
  * {@link HtmlRenderer.Builder#extensions(Iterable)}).
  * </p>
  */
-public class StylesExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension {
+public class ImageAttributesExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension {
 
-    private StylesExtension() {
+    private ImageAttributesExtension() {
     }
 
     public static Extension create() {
-        return new StylesExtension();
+        return new ImageAttributesExtension();
     }
 
     @Override
     public void extend(Parser.Builder parserBuilder) {
-        parserBuilder.customDelimiterProcessor(new StylesDelimiterProcessor());
+        parserBuilder.customDelimiterProcessor(new ImageAttributesDelimiterProcessor());
     }
 
     @Override
@@ -36,7 +36,7 @@ public void extend(HtmlRenderer.Builder rendererBuilder) {
         rendererBuilder.attributeProviderFactory(new AttributeProviderFactory() {
             @Override
             public AttributeProvider create(AttributeProviderContext context) {
-                return StylesAttributeProvider.create();
+                return ImageAttributesAttributeProvider.create();
             }
         });
     }
diff --git a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
similarity index 50%
rename from commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java
rename to commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
index 3ebd2c3f1..1d34bed6b 100644
--- a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesAttributeProvider.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
@@ -1,6 +1,6 @@
-package org.commonmark.ext.styles.internal;
+package org.commonmark.ext.image.attributes.internal;
 
-import org.commonmark.ext.styles.Styles;
+import org.commonmark.ext.image.attributes.ImageAttributes;
 import org.commonmark.node.AbstractVisitor;
 import org.commonmark.node.CustomNode;
 import org.commonmark.node.Image;
@@ -9,13 +9,13 @@
 
 import java.util.*;
 
-public class StylesAttributeProvider implements AttributeProvider {
+public class ImageAttributesAttributeProvider implements AttributeProvider {
 
-    private StylesAttributeProvider() {
+    private ImageAttributesAttributeProvider() {
     }
 
-    public static StylesAttributeProvider create() {
-        return new StylesAttributeProvider();
+    public static ImageAttributesAttributeProvider create() {
+        return new ImageAttributesAttributeProvider();
     }
 
     @Override
@@ -24,14 +24,14 @@ public void setAttributes(Node node, String tagName, final Map<String, String> a
             node.accept(new AbstractVisitor() {
                 @Override
                 public void visit(CustomNode node) {
-                    if (node instanceof Styles) {
-                        Styles styles = (Styles) node;
-                        for (String s : styles.getStyles().split("\\s+")) {
+                    if (node instanceof ImageAttributes) {
+                        ImageAttributes imageAttributes = (ImageAttributes) node;
+                        for (String s : imageAttributes.getAttributes().split("\\s+")) {
                             String[] attribute = s.split("=");
                             attributes.put(attribute[0], attribute[1]);
                         }
-                        // Now that we have used the styles we remove the node.
-                        styles.unlink();
+                        // Now that we have used the image attributes we remove the node.
+                        imageAttributes.unlink();
                     }
                 }
             });
diff --git a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
similarity index 76%
rename from commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java
rename to commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
index ddefd5c99..ad2943eec 100644
--- a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/internal/StylesDelimiterProcessor.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
@@ -1,6 +1,6 @@
-package org.commonmark.ext.styles.internal;
+package org.commonmark.ext.image.attributes.internal;
 
-import org.commonmark.ext.styles.Styles;
+import org.commonmark.ext.image.attributes.ImageAttributes;
 import org.commonmark.node.Image;
 import org.commonmark.node.Node;
 import org.commonmark.node.Text;
@@ -9,10 +9,10 @@
 
 import java.util.*;
 
-public class StylesDelimiterProcessor implements DelimiterProcessor {
+public class ImageAttributesDelimiterProcessor implements DelimiterProcessor {
 
-    // Only allow a defined set of styles to be used.
-    private static final Set<String> SUPPORTED_STYLES = Collections.unmodifiableSet(
+    // Only allow a defined set of attributes to be used.
+    private static final Set<String> SUPPORTED_ATTRIBUTES = Collections.unmodifiableSet(
             new HashSet<>(Arrays.asList("width", "height")));
 
     @Override
@@ -38,23 +38,23 @@ public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
     @Override
     public void process(Text opener, Text closer, int delimiterCount) {
         // Check if the attributes can be applied - if the previous node is an Image, and if all the attributes are in
-        // the set of SUPPORTED_STYLES
+        // the set of SUPPORTED_ATTRIBUTES
         if (opener.getPrevious() instanceof Image) {
             boolean canApply = true;
             List<Node> toUnlink = new ArrayList<>();
 
-            StringBuilder styleString = new StringBuilder();
+            StringBuilder attributesString = new StringBuilder();
             Node tmp = opener.getNext();
             while (tmp != null && tmp != closer) {
                 Node next = tmp.getNext();
                 // Only Text nodes can be used for attributes
                 if (tmp instanceof Text) {
-                    String styles = ((Text) tmp).getLiteral();
-                    for (String s : styles.split("\\s+")) {
+                    String attributes = ((Text) tmp).getLiteral();
+                    for (String s : attributes.split("\\s+")) {
                         String[] attribute = s.split("=");
                         // Check if the attribute is in SUPPORTED_STYLES.
-                        if (SUPPORTED_STYLES.contains(attribute[0].toLowerCase())) {
-                            styleString.append(((Text) tmp).getLiteral());
+                        if (SUPPORTED_ATTRIBUTES.contains(attribute[0].toLowerCase())) {
+                            attributesString.append(((Text) tmp).getLiteral());
                             // The tmp node can be unlinked, as we have retrieved its value.
                             toUnlink.add(tmp);
                         } else {
@@ -78,12 +78,12 @@ public void process(Text opener, Text closer, int delimiterCount) {
                     node.unlink();
                 }
 
-                if (styleString.length() > 0) {
-                    Styles styles = new Styles(styleString.toString());
+                if (attributesString.length() > 0) {
+                    ImageAttributes imageAttributes = new ImageAttributes(attributesString.toString());
 
-                    // The styles node is added as a child of the node to which the styles apply.
+                    // The new node is added as a child of the image node to which the attributes apply.
                     Node nodeToStyle = opener.getPrevious();
-                    nodeToStyle.appendChild(styles);
+                    nodeToStyle.appendChild(imageAttributes);
                 }
                 return;
             }
@@ -103,7 +103,7 @@ public void process(Text opener, Text closer, int delimiterCount) {
      * Check that the attributes can be applied to the previous node.
      * @param opener the text node that contained the opening delimiter
      * @param closer the text node that contained the closing delimiter
-     * @return true if the previous node is an Image and the attributes are in the set of {@link #SUPPORTED_STYLES}
+     * @return true if the previous node is an Image and the attributes are in the set of {@link #SUPPORTED_ATTRIBUTES}
      */
     private boolean canApply(Text opener, Text closer) {
         if (!(opener.getPrevious() instanceof Image)) {
@@ -117,7 +117,7 @@ private boolean canApply(Text opener, Text closer) {
                 String styles = ((Text) tmp).getLiteral();
                 for (String s : styles.split("\\s+")) {
                     String[] attribute = s.split("=");
-                    if (!SUPPORTED_STYLES.contains(attribute[0].toLowerCase())) {
+                    if (!SUPPORTED_ATTRIBUTES.contains(attribute[0].toLowerCase())) {
                         return false;
                     }
                 }
diff --git a/commonmark-ext-image-attributes/src/main/javadoc/overview.html b/commonmark-ext-image-attributes/src/main/javadoc/overview.html
new file mode 100644
index 000000000..060597233
--- /dev/null
+++ b/commonmark-ext-image-attributes/src/main/javadoc/overview.html
@@ -0,0 +1,6 @@
+<html>
+<body>
+<b>Extension for adding attributes to image nodes</b>
+<p>See {@link org.commonmark.ext.image.attributes.ImageAttributes}</p>
+</body>
+</html>
diff --git a/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
similarity index 96%
rename from commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java
rename to commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
index da2aedd3b..d2038776d 100644
--- a/commonmark-ext-styles/src/test/java/org/commonmark/ext/styles/StylesTest.java
+++ b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
@@ -1,4 +1,4 @@
-package org.commonmark.ext.styles;
+package org.commonmark.ext.image.attributes;
 
 import org.commonmark.Extension;
 import org.commonmark.parser.Parser;
@@ -9,9 +9,9 @@
 import java.util.Collections;
 import java.util.Set;
 
-public class StylesTest extends RenderingTestCase {
+public class ImageAttributesTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(StylesExtension.create());
+    private static final Set<Extension> EXTENSIONS = Collections.singleton(ImageAttributesExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
diff --git a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/Styles.java b/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/Styles.java
deleted file mode 100644
index f2c067e1b..000000000
--- a/commonmark-ext-styles/src/main/java/org/commonmark/ext/styles/Styles.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package org.commonmark.ext.styles;
-
-import org.commonmark.node.CustomNode;
-import org.commonmark.node.Delimited;
-
-/**
- * A styles node containing text and other inline nodes as children.
- */
-public class Styles extends CustomNode implements Delimited {
-
-    private final String styles;
-
-    public Styles(String styles) {
-        this.styles = styles;
-    }
-
-    @Override
-    public String getOpeningDelimiter() {
-        return "{";
-    }
-
-    @Override
-    public String getClosingDelimiter() {
-        return "}";
-    }
-
-    public String getStyles() {
-        return styles;
-    }
-
-    @Override
-    protected String toStringAttributes() {
-        return "styles=" + styles;
-    }
-}
diff --git a/commonmark-ext-styles/src/main/javadoc/overview.html b/commonmark-ext-styles/src/main/javadoc/overview.html
deleted file mode 100644
index 5f673e320..000000000
--- a/commonmark-ext-styles/src/main/javadoc/overview.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<html>
-<body>
-<b>Extension for adding styles to nodes</b>
-<p>See {@link org.commonmark.ext.styles.StylesExtension}</p>
-</body>
-</html>
diff --git a/pom.xml b/pom.xml
index f56cd792f..f186b7f73 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,8 +25,8 @@
         <module>commonmark-ext-gfm-strikethrough</module>
         <module>commonmark-ext-gfm-tables</module>
         <module>commonmark-ext-heading-anchor</module>
+        <module>commonmark-ext-image-attributes</module>
         <module>commonmark-ext-ins</module>
-        <module>commonmark-ext-styles</module>
         <module>commonmark-ext-yaml-front-matter</module>
         <module>commonmark-integration-test</module>
         <module>commonmark-test-util</module>

From ac55e373e480ba2c20b21a2e94d3b51c489f80f8 Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Sat, 28 Mar 2020 19:21:16 +1100
Subject: [PATCH 025/450] Added image attributes to SpecIntegrationTest

---
 commonmark-integration-test/pom.xml                          | 4 ++++
 .../java/org/commonmark/integration/SpecIntegrationTest.java | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 6f2bdf0fe..cc408c48d 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -32,6 +32,10 @@
             <groupId>com.atlassian.commonmark</groupId>
             <artifactId>commonmark-ext-gfm-tables</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.atlassian.commonmark</groupId>
+            <artifactId>commonmark-ext-image-attributes</artifactId>
+        </dependency>
         <dependency>
             <groupId>com.atlassian.commonmark</groupId>
             <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
index 6462f4094..2c4e4a84d 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.Extension;
 import org.commonmark.ext.autolink.AutolinkExtension;
+import org.commonmark.ext.image.attributes.ImageAttributesExtension;
 import org.commonmark.ext.ins.InsExtension;
 import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
 import org.commonmark.ext.gfm.tables.TablesExtension;
@@ -21,6 +22,7 @@ public class SpecIntegrationTest extends SpecTestCase {
 
     private static final List<Extension> EXTENSIONS = Arrays.asList(
             AutolinkExtension.create(),
+            ImageAttributesExtension.create(),
             InsExtension.create(),
             StrikethroughExtension.create(),
             TablesExtension.create(),
@@ -75,6 +77,9 @@ private static Map<String, String> getOverriddenExamples() {
         m.put("---\nFoo\n---\nBar\n---\nBaz\n", "<h2>Bar</h2>\n<p>Baz</p>\n");
         m.put("---\n---\n", "");
 
+        // Image attributes
+        m.put("![text](/url.png){height=5 width=6}", "<img src=\"/url.png\" alt=\"text\" height=\"5\" width=\"6\" />");
+
         return m;
     }
 

From 2079fe675aa33c5679d302300eb72fa3fe826e55 Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Sat, 28 Mar 2020 19:29:55 +1100
Subject: [PATCH 026/450] Added missing dependency info for
 commonmark-ext-image-attributes artifact

---
 pom.xml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pom.xml b/pom.xml
index f186b7f73..83ab20e55 100644
--- a/pom.xml
+++ b/pom.xml
@@ -95,6 +95,11 @@
                 <artifactId>commonmark-ext-autolink</artifactId>
                 <version>0.14.1-SNAPSHOT</version>
             </dependency>
+            <dependency>
+                <groupId>com.atlassian.commonmark</groupId>
+                <artifactId>commonmark-ext-image-attributes</artifactId>
+                <version>0.14.1-SNAPSHOT</version>
+            </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>

From f64b7b1bc89082192e1fb9d9d614908b475d8b05 Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Thu, 16 Apr 2020 16:28:39 +1000
Subject: [PATCH 027/450] Fix bug related to keys without values, and removed
 some dead code

* added check on attribute.length to ImageAttributesAttributeProvider and
  ImageAttributesDelimiterProcessor
* new test styleWithNoValueIsIgnored
* removed an unused method in ImageAttributesDelimiterProcessor
---
 .../ImageAttributesAttributeProvider.java     |  4 ++-
 .../ImageAttributesDelimiterProcessor.java    | 33 +------------------
 .../image/attributes/ImageAttributesTest.java |  6 ++++
 3 files changed, 10 insertions(+), 33 deletions(-)

diff --git a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
index 1d34bed6b..f2efb0432 100644
--- a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
@@ -28,7 +28,9 @@ public void visit(CustomNode node) {
                         ImageAttributes imageAttributes = (ImageAttributes) node;
                         for (String s : imageAttributes.getAttributes().split("\\s+")) {
                             String[] attribute = s.split("=");
-                            attributes.put(attribute[0], attribute[1]);
+                            if (attribute.length > 1) {
+                                attributes.put(attribute[0], attribute[1]);
+                            }
                         }
                         // Now that we have used the image attributes we remove the node.
                         imageAttributes.unlink();
diff --git a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
index ad2943eec..4f4215941 100644
--- a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
@@ -52,8 +52,7 @@ public void process(Text opener, Text closer, int delimiterCount) {
                     String attributes = ((Text) tmp).getLiteral();
                     for (String s : attributes.split("\\s+")) {
                         String[] attribute = s.split("=");
-                        // Check if the attribute is in SUPPORTED_STYLES.
-                        if (SUPPORTED_ATTRIBUTES.contains(attribute[0].toLowerCase())) {
+                        if (attribute.length > 1 && SUPPORTED_ATTRIBUTES.contains(attribute[0].toLowerCase())) {
                             attributesString.append(((Text) tmp).getLiteral());
                             // The tmp node can be unlinked, as we have retrieved its value.
                             toUnlink.add(tmp);
@@ -98,34 +97,4 @@ public void process(Text opener, Text closer, int delimiterCount) {
         }
         closer.getParent().appendChild(new Text("" + getClosingCharacter()));
     }
-
-    /**
-     * Check that the attributes can be applied to the previous node.
-     * @param opener the text node that contained the opening delimiter
-     * @param closer the text node that contained the closing delimiter
-     * @return true if the previous node is an Image and the attributes are in the set of {@link #SUPPORTED_ATTRIBUTES}
-     */
-    private boolean canApply(Text opener, Text closer) {
-        if (!(opener.getPrevious() instanceof Image)) {
-            return false;
-        }
-
-        Node tmp = opener.getNext();
-        while (tmp != null && tmp != closer) {
-            Node next = tmp.getNext();
-            if (tmp instanceof Text) {
-                String styles = ((Text) tmp).getLiteral();
-                for (String s : styles.split("\\s+")) {
-                    String[] attribute = s.split("=");
-                    if (!SUPPORTED_ATTRIBUTES.contains(attribute[0].toLowerCase())) {
-                        return false;
-                    }
-                }
-            } else {
-                return false;
-            }
-            tmp = next;
-        }
-        return true;
-    }
 }
diff --git a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
index d2038776d..cfffc8084 100644
--- a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
+++ b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
@@ -60,6 +60,12 @@ public void unsupportedStyleNamesAreLeftUnchanged() {
                 "<p><img src=\"/url.png\" alt=\"foo\" />{height=3 <em>test</em>}</p>\n");
     }
 
+    @Test
+    public void styleWithNoValueIsIgnored() {
+        assertRendering("![text](/url.png){height}",
+                "<p><img src=\"/url.png\" alt=\"text\" />{height}</p>\n");
+    }
+
     @Test
     public void repeatedStyleNameUsesFinalOne() {
         assertRendering("![text](/url.png){height=4 height=5 width=1 height=6}",

From d559572ace9c4db534cc553e84c89ba13bc50f33 Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Thu, 16 Apr 2020 16:46:09 +1000
Subject: [PATCH 028/450] Use a Map<String, String> for the attributes

---
 .../commonmark/ext/image/attributes/ImageAttributes.java  | 8 +++++---
 .../internal/ImageAttributesAttributeProvider.java        | 8 +++-----
 .../internal/ImageAttributesDelimiterProcessor.java       | 8 ++++----
 3 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributes.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributes.java
index c0173ab02..1ee43958b 100644
--- a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributes.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributes.java
@@ -3,14 +3,16 @@
 import org.commonmark.node.CustomNode;
 import org.commonmark.node.Delimited;
 
+import java.util.Map;
+
 /**
  * A node containing text and other inline nodes as children.
  */
 public class ImageAttributes extends CustomNode implements Delimited {
 
-    private final String attributes;
+    private final Map<String, String> attributes;
 
-    public ImageAttributes(String attributes) {
+    public ImageAttributes(Map<String, String> attributes) {
         this.attributes = attributes;
     }
 
@@ -24,7 +26,7 @@ public String getClosingDelimiter() {
         return "}";
     }
 
-    public String getAttributes() {
+    public Map<String, String> getAttributes() {
         return attributes;
     }
 
diff --git a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
index f2efb0432..30fec4bb7 100644
--- a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
@@ -26,11 +26,9 @@ public void setAttributes(Node node, String tagName, final Map<String, String> a
                 public void visit(CustomNode node) {
                     if (node instanceof ImageAttributes) {
                         ImageAttributes imageAttributes = (ImageAttributes) node;
-                        for (String s : imageAttributes.getAttributes().split("\\s+")) {
-                            String[] attribute = s.split("=");
-                            if (attribute.length > 1) {
-                                attributes.put(attribute[0], attribute[1]);
-                            }
+                        Map<String, String> attributesMap = imageAttributes.getAttributes();
+                        for (String key : attributesMap.keySet()) {
+                            attributes.put(key, attributesMap.get(key));
                         }
                         // Now that we have used the image attributes we remove the node.
                         imageAttributes.unlink();
diff --git a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
index 4f4215941..839015186 100644
--- a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
@@ -43,7 +43,7 @@ public void process(Text opener, Text closer, int delimiterCount) {
             boolean canApply = true;
             List<Node> toUnlink = new ArrayList<>();
 
-            StringBuilder attributesString = new StringBuilder();
+            Map<String, String> attributesMap = new LinkedHashMap<>();
             Node tmp = opener.getNext();
             while (tmp != null && tmp != closer) {
                 Node next = tmp.getNext();
@@ -53,7 +53,7 @@ public void process(Text opener, Text closer, int delimiterCount) {
                     for (String s : attributes.split("\\s+")) {
                         String[] attribute = s.split("=");
                         if (attribute.length > 1 && SUPPORTED_ATTRIBUTES.contains(attribute[0].toLowerCase())) {
-                            attributesString.append(((Text) tmp).getLiteral());
+                            attributesMap.put(attribute[0], attribute[1]);
                             // The tmp node can be unlinked, as we have retrieved its value.
                             toUnlink.add(tmp);
                         } else {
@@ -77,8 +77,8 @@ public void process(Text opener, Text closer, int delimiterCount) {
                     node.unlink();
                 }
 
-                if (attributesString.length() > 0) {
-                    ImageAttributes imageAttributes = new ImageAttributes(attributesString.toString());
+                if (attributesMap.size() > 0) {
+                    ImageAttributes imageAttributes = new ImageAttributes(attributesMap);
 
                     // The new node is added as a child of the image node to which the attributes apply.
                     Node nodeToStyle = opener.getPrevious();

From 52c8e1dea4427a32aa798a5f149b71db139745f0 Mon Sep 17 00:00:00 2001
From: F Doherty <44657799+dohertyfjatl@users.noreply.github.com>
Date: Tue, 28 Apr 2020 21:34:42 +1000
Subject: [PATCH 029/450] Update
 commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java

Co-Authored-By: Robin Stocker <robin.stocker@gmail.com>
---
 .../internal/ImageAttributesAttributeProvider.java           | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
index 30fec4bb7..edd9c4692 100644
--- a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesAttributeProvider.java
@@ -26,9 +26,8 @@ public void setAttributes(Node node, String tagName, final Map<String, String> a
                 public void visit(CustomNode node) {
                     if (node instanceof ImageAttributes) {
                         ImageAttributes imageAttributes = (ImageAttributes) node;
-                        Map<String, String> attributesMap = imageAttributes.getAttributes();
-                        for (String key : attributesMap.keySet()) {
-                            attributes.put(key, attributesMap.get(key));
+                        for (Map.Entry<String, String> entry : imageAttributes.getAttributes().entrySet()) {
+                            attributes.put(entry.getKey(), entry.getValue());
                         }
                         // Now that we have used the image attributes we remove the node.
                         imageAttributes.unlink();

From 6436f4176e2d39de163e01baac95aad9ccee620d Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Tue, 12 May 2020 11:28:11 +1000
Subject: [PATCH 030/450] Update link to CLA

---
 CONTRIBUTING.md | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a187cea4b..dbf3be13f 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -30,8 +30,7 @@ appropriate link below to digitally sign the CLA. The Corporate CLA is for those
 who are contributing as a member of an organization and the individual CLA is
 for those contributing as an individual.
 
-* [CLA for corporate contributors](https://na2.docusign.net/Member/PowerFormSigning.aspx?PowerFormId=e1c17c66-ca4d-4aab-a953-2c231af4a20b)
-* [CLA for individuals](https://na2.docusign.net/Member/PowerFormSigning.aspx?PowerFormId=3f94fbdc-2fbe-46ac-b14c-5d152700ae5d)
+https://opensource.atlassian.com/cla
 
 Releasing
 ---------

From 72f9173b21d0163938cab39d45edb98f9329aee5 Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Mon, 27 Apr 2020 09:49:23 +1000
Subject: [PATCH 031/450] Add support for task list items

* new module commonmark-ext-task-list-items
* new TaskListItemMarker to denote ListItems which represent task lists
* added TaskListItemInlineParser which checks ListItems for ones which
match a task list regexp, and adds a TaskListItemMarker as the first
child of such ListItems
* new TaskListItemHtmlNodeRenderer which renders the html
("input type=checkbox..") for TaskListItemMarker nodes
* new TaskListItemsExtension which configures the parser and renderer
for task list items
* added TaskListItemsTest with test cases for task lists
* updated README.md with a description of the Task List Items extension
---
 README.md                                     |  23 ++++
 commonmark-ext-task-list-items/pom.xml        |  43 +++++++
 .../task/list/items/TaskListItemMarker.java   |  19 +++
 .../list/items/TaskListItemsExtension.java    |  52 +++++++++
 .../TaskListItemHtmlNodeRenderer.java         |  52 +++++++++
 .../internal/TaskListItemInlineParser.java    |  47 ++++++++
 .../task/list/items/TaskListItemsTest.java    | 109 ++++++++++++++++++
 commonmark-integration-test/pom.xml           |   4 +
 .../integration/SpecIntegrationTest.java      |   6 +
 pom.xml                                       |   6 +
 10 files changed, 361 insertions(+)
 create mode 100644 commonmark-ext-task-list-items/pom.xml
 create mode 100644 commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemMarker.java
 create mode 100644 commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java
 create mode 100644 commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java
 create mode 100644 commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemInlineParser.java
 create mode 100644 commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java

diff --git a/README.md b/README.md
index 264478ae1..6ef0bbe07 100644
--- a/README.md
+++ b/README.md
@@ -338,6 +338,29 @@ Use class `StylesExtension` in artifact `commonmark-ext-image-attributes`.
 Note: since this extension uses curly braces `{` `}` as its delimiters (in `StylesDelimiterProcessor`), this means that
 other delimiter processors *cannot* use curly braces for delimiting.
 
+### Task List Items
+
+Adds support for tasks as list items.
+
+A task can be represented as a list item where the first non-whitespace character is a left bracket `[`, then a single
+whitespace character or the letter `x` in lowercase or uppercase, then a right bracket `]` followed by at least one
+whitespace before any other content.
+
+For example:
+```
+- [ ] task #1
+- [x] task #2
+```
+will be rendered as:
+```
+<ul>
+<li><input type="checkbox" disabled=""> task #1</li>
+<li><input type="checkbox" disabled="" checked=""> task #2</li>
+</ul>
+```
+
+Use class `TaskListItemsExtension` in artifact `commonmark-ext-task-list-items`.
+
 See also
 --------
 
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
new file mode 100644
index 000000000..52dc6c63f
--- /dev/null
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.atlassian.commonmark</groupId>
+        <artifactId>commonmark-parent</artifactId>
+        <version>0.14.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>commonmark-ext-task-list-items</artifactId>
+    <name>commonmark-java extension for task list items</name>
+    <description>commonmark-java extension for task list items</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.atlassian.commonmark</groupId>
+            <artifactId>commonmark</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.atlassian.commonmark</groupId>
+            <artifactId>commonmark-test-util</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifestEntries>
+                            <Automatic-Module-Name>org.commonmark.ext.task.list.items</Automatic-Module-Name>
+                        </manifestEntries>
+                    </archive>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemMarker.java b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemMarker.java
new file mode 100644
index 000000000..9eca59bc9
--- /dev/null
+++ b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemMarker.java
@@ -0,0 +1,19 @@
+package org.commonmark.ext.task.list.items;
+
+import org.commonmark.node.CustomNode;
+
+/**
+ * A marker node indicating that a list item contains a task.
+ */
+public class TaskListItemMarker extends CustomNode {
+
+    private final boolean checked;
+
+    public TaskListItemMarker(boolean checked) {
+        this.checked = checked;
+    }
+
+    public boolean isChecked() {
+        return checked;
+    }
+}
diff --git a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java
new file mode 100644
index 000000000..feb68955e
--- /dev/null
+++ b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java
@@ -0,0 +1,52 @@
+package org.commonmark.ext.task.list.items;
+
+import org.commonmark.Extension;
+import org.commonmark.ext.task.list.items.internal.TaskListItemHtmlNodeRenderer;
+import org.commonmark.ext.task.list.items.internal.TaskListItemInlineParser;
+import org.commonmark.parser.InlineParser;
+import org.commonmark.parser.InlineParserContext;
+import org.commonmark.parser.InlineParserFactory;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.renderer.html.HtmlNodeRendererContext;
+import org.commonmark.renderer.html.HtmlNodeRendererFactory;
+import org.commonmark.renderer.html.HtmlRenderer;
+
+/**
+ * Extension for adding task list items.
+ * <p>
+ * Create it with {@link #create()} and then configure it on the builders
+ * ({@link org.commonmark.parser.Parser.Builder#extensions(Iterable)},
+ * {@link HtmlRenderer.Builder#extensions(Iterable)}).
+ * </p>
+ */
+public class TaskListItemsExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension {
+
+    private TaskListItemsExtension() {
+    }
+
+    public static Extension create() {
+        return new TaskListItemsExtension();
+    }
+
+    @Override
+    public void extend(Parser.Builder parserBuilder) {
+        parserBuilder.inlineParserFactory(new InlineParserFactory() {
+
+            @Override
+            public InlineParser create(InlineParserContext inlineParserContext) {
+                return new TaskListItemInlineParser(inlineParserContext);
+            }
+        });
+    }
+
+    @Override
+    public void extend(HtmlRenderer.Builder rendererBuilder) {
+        rendererBuilder.nodeRendererFactory(new HtmlNodeRendererFactory() {
+            @Override
+            public NodeRenderer create(HtmlNodeRendererContext context) {
+                return new TaskListItemHtmlNodeRenderer(context);
+            }
+        });
+    }
+}
diff --git a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java
new file mode 100644
index 000000000..563c2e828
--- /dev/null
+++ b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java
@@ -0,0 +1,52 @@
+package org.commonmark.ext.task.list.items.internal;
+
+import org.commonmark.ext.task.list.items.TaskListItemMarker;
+import org.commonmark.node.Node;
+import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.renderer.html.HtmlNodeRendererContext;
+import org.commonmark.renderer.html.HtmlWriter;
+
+import java.util.Collections;
+import java.util.Map;
+import java.util.Set;
+
+public class TaskListItemHtmlNodeRenderer implements NodeRenderer {
+
+    private final HtmlNodeRendererContext context;
+    private final HtmlWriter html;
+
+    public TaskListItemHtmlNodeRenderer(HtmlNodeRendererContext context) {
+        this.context = context;
+        this.html = context.getWriter();
+    }
+
+    @Override
+    public Set<Class<? extends Node>> getNodeTypes() {
+        return Collections.<Class<? extends Node>>singleton(TaskListItemMarker.class);
+    }
+
+    @Override
+    public void render(Node node) {
+        if (node instanceof TaskListItemMarker) {
+            Map<String, String> attributes = context.extendAttributes(node, "input", Collections.<String, String>emptyMap());
+            attributes.put("type", "checkbox");
+            attributes.put("disabled", "");
+            if (((TaskListItemMarker) node).isChecked()) {
+                attributes.put("checked", "");
+            }
+            html.tag("input", attributes);
+            // Add a space after the input tag (as the next text node has been trimmed)
+            html.text(" ");
+            renderChildren(node);
+        }
+    }
+
+    private void renderChildren(Node parent) {
+        Node node = parent.getFirstChild();
+        while (node != null) {
+            Node next = node.getNext();
+            context.render(node);
+            node = next;
+        }
+    }
+}
diff --git a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemInlineParser.java b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemInlineParser.java
new file mode 100644
index 000000000..ae6b666b2
--- /dev/null
+++ b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemInlineParser.java
@@ -0,0 +1,47 @@
+package org.commonmark.ext.task.list.items.internal;
+
+import org.commonmark.ext.task.list.items.TaskListItemMarker;
+import org.commonmark.internal.InlineParserImpl;
+import org.commonmark.node.ListItem;
+import org.commonmark.node.Node;
+import org.commonmark.parser.InlineParserContext;
+
+import java.util.Objects;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * An extension of {@link InlineParserImpl} which parses {@link TaskListItemMarker}s in {@link ListItem}s.
+ */
+public class TaskListItemInlineParser extends InlineParserImpl {
+
+    private static final Pattern REGEX_BULLET = Pattern.compile("[\\-+*]?");
+    private static final Pattern REGEX_TASK_LIST_ITEM = Pattern.compile("^(\\s*" + REGEX_BULLET + "\\s*)\\[([xX\\s])]\\s+(.*)");
+
+    public TaskListItemInlineParser(InlineParserContext inlineParserContext) {
+        super(inlineParserContext);
+    }
+
+    @Override
+    public void parse(String input, Node node) {
+        Node parent = node.getParent();
+        if (parent instanceof ListItem) {
+            Matcher matcher = REGEX_TASK_LIST_ITEM.matcher(input);
+            if (matcher.matches()) {
+                String checked = matcher.group(2);
+                boolean isChecked = Objects.equals(checked, "X") || Objects.equals(checked, "x");
+
+                // Add the task list item marker node as the first child of the parent.
+                parent.prependChild(new TaskListItemMarker(isChecked));
+
+                // Parse the node using the input after the task marker (in other words, group 3 from the matcher).
+                // (Note that the String gets trimmed in the call to super.parse(..), so we should add a space between
+                // the TaskListItemMarker and the text that follows it when we come to render it).
+                super.parse(matcher.group(3), node);
+                return;
+            }
+        }
+
+        super.parse(input, node);
+    }
+}
diff --git a/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java b/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java
new file mode 100644
index 000000000..88f40c3af
--- /dev/null
+++ b/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java
@@ -0,0 +1,109 @@
+package org.commonmark.ext.task.list.items;
+
+import org.commonmark.Extension;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.testutil.RenderingTestCase;
+import org.junit.Test;
+
+import java.util.Collections;
+import java.util.Set;
+
+public class TaskListItemsTest extends RenderingTestCase {
+
+    private static final Set<Extension> EXTENSIONS = Collections.singleton(TaskListItemsExtension.create());
+    private static final String HTML_CHECKED = "<input type=\"checkbox\" disabled=\"\" checked=\"\">";
+    private static final String HTML_UNCHECKED = "<input type=\"checkbox\" disabled=\"\">";
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
+
+    @Test
+    public void baseCase() {
+        assertRendering("- [x] this is *done*\n", "<ul>\n<li>" + HTML_CHECKED + " this is <em>done</em></li>\n</ul>\n");
+
+        assertRendering("- [ ] do this\n", "<ul>\n<li>" + HTML_UNCHECKED + " do this</li>\n</ul>\n");
+
+        assertRendering("- [x] foo\n" +
+                        "  - [ ] bar\n" +
+                        "  - [x] baz\n" +
+                        "- [ ] bim",
+                "<ul>\n" +
+                "<li>" + HTML_CHECKED + " foo\n" +
+                "<ul>\n" +
+                "<li>" + HTML_UNCHECKED + " bar</li>\n" +
+                "<li>" + HTML_CHECKED + " baz</li>\n" +
+                "</ul>\n" +
+                "</li>\n" +
+                "<li>" + HTML_UNCHECKED + " bim</li>\n" +
+                "</ul>\n");
+
+        assertRendering("*   [ ]   do this\n*   [ ]   and this",
+                "<ul>\n<li>" + HTML_UNCHECKED + " do this</li>\n<li>" + HTML_UNCHECKED + " and this</li>\n</ul>\n");
+
+        assertRendering("+ [x] one\n" +
+                        "  - [ ] two\n" +
+                        "    * [x] three\n",
+                "<ul>\n" +
+                "<li>" + HTML_CHECKED + " one\n" +
+                "<ul>\n" +
+                "<li>" + HTML_UNCHECKED + " two\n" +
+                "<ul>\n" +
+                "<li>" + HTML_CHECKED + " three</li>\n" +
+                "</ul>\n" +
+                "</li>\n" +
+                "</ul>\n" +
+                "</li>\n" +
+                "</ul>\n");
+
+        assertRendering("TODO list\n" +
+                        "---------\n" +
+                        "- [ ] first task\n" +
+                        "- [x] second task\n" +
+                        "- [ ] third task\n\n" +
+                        "Let me know when you are finished",
+                "<h2>TODO list</h2>\n" +
+                "<ul>\n" +
+                "<li>" + HTML_UNCHECKED + " first task</li>\n" +
+                "<li>" + HTML_CHECKED + " second task</li>\n" +
+                "<li>" + HTML_UNCHECKED + " third task</li>\n" +
+                "</ul>\n" +
+                "<p>Let me know when you are finished</p>\n");
+    }
+
+    @Test
+    public void notListItem() {
+        assertRendering("[x] this is not a task\n", "<p>[x] this is not a task</p>\n");
+        assertRendering(" [ ] this is not a task either\n", "<p>[ ] this is not a task either</p>\n");
+    }
+
+    @Test
+    public void notValidTaskFormat() {
+        assertRendering("- [x]no space\n", "<ul>\n<li>[x]no space</li>\n</ul>\n");
+        assertRendering("- [O] is not a _task_\n", "<ul>\n<li>[O] is not a <em>task</em></li>\n</ul>\n");
+        assertRendering("* [] neither is this\n", "<ul>\n<li>[] neither is this</li>\n</ul>\n");
+        assertRendering("* [  ] nor this\n" +
+                        "* [XX] nor this\n",
+                "<ul>\n<li>[  ] nor this</li>\n<li>[XX] nor this</li>\n</ul>\n");
+        assertRendering("+ [x]] is not a task\n", "<ul>\n<li>[x]] is not a task</li>\n</ul>\n");
+        assertRendering("- [x isn't\n", "<ul>\n<li>[x isn't</li>\n</ul>\n");
+        assertRendering("- [[x is not\n", "<ul>\n<li>[[x is not</li>\n</ul>\n");
+        assertRendering("- x] nope\n", "<ul>\n<li>x] nope</li>\n</ul>\n");
+        assertRendering("- x]] no way\n", "<ul>\n<li>x]] no way</li>\n</ul>\n");
+        assertRendering("+ (x) sorry no\n", "<ul>\n<li>(x) sorry no</li>\n</ul>\n");
+        assertRendering("+ {x} sorry not sorry\n", "<ul>\n<li>{x} sorry not sorry</li>\n</ul>\n");
+        assertRendering("+ [[x]] nooo\n", "<ul>\n<li>[[x]] nooo</li>\n</ul>\n");
+        assertRendering("+ text before [x] is not a task\n", "<ul>\n<li>text before [x] is not a task</li>\n</ul>\n");
+    }
+
+    @Test
+    public void withoutText() {
+        assertRendering("* [x] \n" +
+                        "* [ ] \n",
+                "<ul>\n<li>" + HTML_CHECKED + " </li>\n<li>" + HTML_UNCHECKED + " </li>\n</ul>\n");
+    }
+
+    @Override
+    protected String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+}
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index cc408c48d..f343a3d6e 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -36,6 +36,10 @@
             <groupId>com.atlassian.commonmark</groupId>
             <artifactId>commonmark-ext-image-attributes</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.atlassian.commonmark</groupId>
+            <artifactId>commonmark-ext-task-list-items</artifactId>
+        </dependency>
         <dependency>
             <groupId>com.atlassian.commonmark</groupId>
             <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
index 2c4e4a84d..ed2d22cde 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
@@ -7,6 +7,7 @@
 import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
 import org.commonmark.ext.gfm.tables.TablesExtension;
 import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
+import org.commonmark.ext.task.list.items.TaskListItemsExtension;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.parser.Parser;
 import org.commonmark.testutil.example.Example;
@@ -26,6 +27,7 @@ public class SpecIntegrationTest extends SpecTestCase {
             InsExtension.create(),
             StrikethroughExtension.create(),
             TablesExtension.create(),
+            TaskListItemsExtension.create(),
             YamlFrontMatterExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     // The spec says URL-escaping is optional, but the examples assume that it's enabled.
@@ -80,6 +82,10 @@ private static Map<String, String> getOverriddenExamples() {
         // Image attributes
         m.put("![text](/url.png){height=5 width=6}", "<img src=\"/url.png\" alt=\"text\" height=\"5\" width=\"6\" />");
 
+        // Task list items
+        m.put("- [ ] task to do\n- [x] task done\n", "<ul>\n<li><input type=\"checkbox\" disabled=\"\"> task to do</li>\n" +
+                "<li><input type=\"checkbox\" disabled=\"\" checked=\"\"> task done</li>\n</ul>\n");
+
         return m;
     }
 
diff --git a/pom.xml b/pom.xml
index d37be75c0..ec4d8e37a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,6 +27,7 @@
         <module>commonmark-ext-heading-anchor</module>
         <module>commonmark-ext-image-attributes</module>
         <module>commonmark-ext-ins</module>
+        <module>commonmark-ext-task-list-items</module>
         <module>commonmark-ext-yaml-front-matter</module>
         <module>commonmark-integration-test</module>
         <module>commonmark-test-util</module>
@@ -120,6 +121,11 @@
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
                 <version>0.14.1-SNAPSHOT</version>
             </dependency>
+            <dependency>
+                <groupId>com.atlassian.commonmark</groupId>
+                <artifactId>commonmark-ext-task-list-items</artifactId>
+                <version>0.14.1-SNAPSHOT</version>
+            </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>

From 44c3acb0788578ee21ec6928004df39e42714e6a Mon Sep 17 00:00:00 2001
From: Frank Doherty <fdoherty@atlassian.com>
Date: Tue, 28 Apr 2020 22:27:48 +1000
Subject: [PATCH 032/450] Some refactor based on pull request feedback:

* use a PostProcessor rather than extending InlineParserImpl:
  * removed TaskListItemInlineParser
  * added TaskListItemPostProcessor to visit the first child Text node
  of a ListItem node and check for the task list format, adding a
  TaskListItemMarker to the ListItem when found
  * changed TaskListItemsExtension to use the new
  TaskListItemPostProcessor
* small fix to TaskListItemHtmlNodeRenderer to where the extended
  attributes are set
* updated TaskListItemsTest to move the test for "task markers without
text" to notValidTaskFormat (as they are not valid tasks)
---
 .../list/items/TaskListItemsExtension.java    | 13 +----
 .../TaskListItemHtmlNodeRenderer.java         |  5 +-
 .../internal/TaskListItemInlineParser.java    | 47 ------------------
 .../internal/TaskListItemPostProcessor.java   | 49 +++++++++++++++++++
 .../task/list/items/TaskListItemsTest.java    |  8 +--
 5 files changed, 55 insertions(+), 67 deletions(-)
 delete mode 100644 commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemInlineParser.java
 create mode 100644 commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemPostProcessor.java

diff --git a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java
index feb68955e..3577f6700 100644
--- a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java
+++ b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java
@@ -2,10 +2,7 @@
 
 import org.commonmark.Extension;
 import org.commonmark.ext.task.list.items.internal.TaskListItemHtmlNodeRenderer;
-import org.commonmark.ext.task.list.items.internal.TaskListItemInlineParser;
-import org.commonmark.parser.InlineParser;
-import org.commonmark.parser.InlineParserContext;
-import org.commonmark.parser.InlineParserFactory;
+import org.commonmark.ext.task.list.items.internal.TaskListItemPostProcessor;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.HtmlNodeRendererContext;
@@ -31,13 +28,7 @@ public static Extension create() {
 
     @Override
     public void extend(Parser.Builder parserBuilder) {
-        parserBuilder.inlineParserFactory(new InlineParserFactory() {
-
-            @Override
-            public InlineParser create(InlineParserContext inlineParserContext) {
-                return new TaskListItemInlineParser(inlineParserContext);
-            }
-        });
+        parserBuilder.postProcessor(new TaskListItemPostProcessor());
     }
 
     @Override
diff --git a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java
index 563c2e828..f2b2215f6 100644
--- a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java
+++ b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java
@@ -7,6 +7,7 @@
 import org.commonmark.renderer.html.HtmlWriter;
 
 import java.util.Collections;
+import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Set;
 
@@ -28,13 +29,13 @@ public Set<Class<? extends Node>> getNodeTypes() {
     @Override
     public void render(Node node) {
         if (node instanceof TaskListItemMarker) {
-            Map<String, String> attributes = context.extendAttributes(node, "input", Collections.<String, String>emptyMap());
+            Map<String, String> attributes = new LinkedHashMap<>();
             attributes.put("type", "checkbox");
             attributes.put("disabled", "");
             if (((TaskListItemMarker) node).isChecked()) {
                 attributes.put("checked", "");
             }
-            html.tag("input", attributes);
+            html.tag("input", context.extendAttributes(node, "input", attributes));
             // Add a space after the input tag (as the next text node has been trimmed)
             html.text(" ");
             renderChildren(node);
diff --git a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemInlineParser.java b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemInlineParser.java
deleted file mode 100644
index ae6b666b2..000000000
--- a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemInlineParser.java
+++ /dev/null
@@ -1,47 +0,0 @@
-package org.commonmark.ext.task.list.items.internal;
-
-import org.commonmark.ext.task.list.items.TaskListItemMarker;
-import org.commonmark.internal.InlineParserImpl;
-import org.commonmark.node.ListItem;
-import org.commonmark.node.Node;
-import org.commonmark.parser.InlineParserContext;
-
-import java.util.Objects;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-/**
- * An extension of {@link InlineParserImpl} which parses {@link TaskListItemMarker}s in {@link ListItem}s.
- */
-public class TaskListItemInlineParser extends InlineParserImpl {
-
-    private static final Pattern REGEX_BULLET = Pattern.compile("[\\-+*]?");
-    private static final Pattern REGEX_TASK_LIST_ITEM = Pattern.compile("^(\\s*" + REGEX_BULLET + "\\s*)\\[([xX\\s])]\\s+(.*)");
-
-    public TaskListItemInlineParser(InlineParserContext inlineParserContext) {
-        super(inlineParserContext);
-    }
-
-    @Override
-    public void parse(String input, Node node) {
-        Node parent = node.getParent();
-        if (parent instanceof ListItem) {
-            Matcher matcher = REGEX_TASK_LIST_ITEM.matcher(input);
-            if (matcher.matches()) {
-                String checked = matcher.group(2);
-                boolean isChecked = Objects.equals(checked, "X") || Objects.equals(checked, "x");
-
-                // Add the task list item marker node as the first child of the parent.
-                parent.prependChild(new TaskListItemMarker(isChecked));
-
-                // Parse the node using the input after the task marker (in other words, group 3 from the matcher).
-                // (Note that the String gets trimmed in the call to super.parse(..), so we should add a space between
-                // the TaskListItemMarker and the text that follows it when we come to render it).
-                super.parse(matcher.group(3), node);
-                return;
-            }
-        }
-
-        super.parse(input, node);
-    }
-}
diff --git a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemPostProcessor.java b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemPostProcessor.java
new file mode 100644
index 000000000..b95c2e30d
--- /dev/null
+++ b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemPostProcessor.java
@@ -0,0 +1,49 @@
+package org.commonmark.ext.task.list.items.internal;
+
+import org.commonmark.ext.task.list.items.TaskListItemMarker;
+import org.commonmark.node.*;
+import org.commonmark.parser.PostProcessor;
+
+import java.util.Objects;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class TaskListItemPostProcessor implements PostProcessor {
+
+    private static final Pattern REGEX_TASK_LIST_ITEM = Pattern.compile("^\\[([xX\\s])]\\s+(.*)");
+
+    @Override
+    public Node process(Node node) {
+        TaskListItemVisitor visitor = new TaskListItemVisitor();
+        node.accept(visitor);
+        return node;
+    }
+
+    private static class TaskListItemVisitor extends AbstractVisitor {
+
+        @Override
+        public void visit(ListItem listItem) {
+            Node child = listItem.getFirstChild();
+            if (child instanceof Paragraph) {
+                Node node = child.getFirstChild();
+                if (node instanceof Text) {
+                    Text textNode = (Text) node;
+                    Matcher matcher = REGEX_TASK_LIST_ITEM.matcher(textNode.getLiteral());
+                    if (matcher.matches()) {
+                        String checked = matcher.group(1);
+                        boolean isChecked = Objects.equals(checked, "X") || Objects.equals(checked, "x");
+
+                        // Add the task list item marker node as the first child of the list item.
+                        listItem.prependChild(new TaskListItemMarker(isChecked));
+
+                        // Parse the node using the input after the task marker (in other words, group 2 from the matcher).
+                        // (Note that the String has been trimmed, so we should add a space between the
+                        // TaskListItemMarker and the text that follows it when we come to render it).
+                        textNode.setLiteral(matcher.group(2));
+                    }
+                }
+            }
+            visitChildren(listItem);
+        }
+    }
+}
diff --git a/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java b/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java
index 88f40c3af..3e6c6a259 100644
--- a/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java
+++ b/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java
@@ -93,13 +93,7 @@ public void notValidTaskFormat() {
         assertRendering("+ {x} sorry not sorry\n", "<ul>\n<li>{x} sorry not sorry</li>\n</ul>\n");
         assertRendering("+ [[x]] nooo\n", "<ul>\n<li>[[x]] nooo</li>\n</ul>\n");
         assertRendering("+ text before [x] is not a task\n", "<ul>\n<li>text before [x] is not a task</li>\n</ul>\n");
-    }
-
-    @Test
-    public void withoutText() {
-        assertRendering("* [x] \n" +
-                        "* [ ] \n",
-                "<ul>\n<li>" + HTML_CHECKED + " </li>\n<li>" + HTML_UNCHECKED + " </li>\n</ul>\n");
+        assertRendering("* [x]  \n* [ ]  \n", "<ul>\n<li>[x]</li>\n<li>[ ]</li>\n</ul>\n");
     }
 
     @Override

From ffdf6ef578e16f02d51426c98d494c2d5305b189 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 15 May 2020 16:23:07 +1000
Subject: [PATCH 033/450] Add test for character references without semicolons

---
 .../test/java/org/commonmark/test/HtmlRendererTest.java    | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
index 04b493cba..18ce967b2 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
@@ -50,6 +50,13 @@ public void textEscaping() {
         assertEquals("<p>escaping: &amp; &lt; &gt; &quot; '</p>\n", rendered);
     }
 
+    @Test
+    public void characterReferencesWithoutSemicolonsShouldNotBeParsedShouldBeEscaped() {
+        String input = "[example](&#x6A&#x61&#x76&#x61&#x73&#x63&#x72&#x69&#x70&#x74&#x3A&#x61&#x6C&#x65&#x72&#x74&#x28&#x27&#x58&#x53&#x53&#x27&#x29)";
+        String rendered = defaultRenderer().render(parse(input));
+        assertEquals("<p><a href=\"&amp;#x6A&amp;#x61&amp;#x76&amp;#x61&amp;#x73&amp;#x63&amp;#x72&amp;#x69&amp;#x70&amp;#x74&amp;#x3A&amp;#x61&amp;#x6C&amp;#x65&amp;#x72&amp;#x74&amp;#x28&amp;#x27&amp;#x58&amp;#x53&amp;#x53&amp;#x27&amp;#x29\">example</a></p>\n", rendered);
+    }
+
     @Test
     public void attributeEscaping() {
         Paragraph paragraph = new Paragraph();

From 8be430307ef2fe9c84518ab1fd902381217f254b Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 15 May 2020 16:43:11 +1000
Subject: [PATCH 034/450] Prepare for 0.15.0

---
 CHANGELOG.md | 14 ++++++++++++++
 README.md    |  6 +++---
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index acd7c044a..3c3964cdb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,19 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [0.15.0] - 2020-05-15
+### Added
+- Extension for width/height attributes for images, thanks @dohertyfjatl
+  - Syntax: `![text](/url.png){width=640 height=480}`
+  - Use class `ImageAttributesExtension` in artifact `commonmark-ext-image-attributes`
+- Extension for task lists (GitHub-style), thanks @dohertyfjatl
+  - Syntax:
+    ```
+    - [x] task #1` 
+    - [ ] task #2` 
+    ```
+  - Use class `TaskListItemsExtension` in artifact `commonmark-ext-task-list-items`
+
 ## [0.14.0] - 2020-01-22
 ### Added
 - Add `sanitizeUrls` to `HtmlRenderer.Builder` to enable sanitizing URLs
@@ -269,6 +282,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[0.15.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.14.0...commonmark-parent-0.15.0
 [0.14.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.13.1...commonmark-parent-0.14.0
 [0.13.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.13.0...commonmark-parent-0.13.1
 [0.13.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.12.1...commonmark-parent-0.13.0
diff --git a/README.md b/README.md
index 6ef0bbe07..2ee998193 100644
--- a/README.md
+++ b/README.md
@@ -326,14 +326,14 @@ Adds support for specifying attributes (specifically height and width) for image
 The attribute elements are given as `key=value` pairs inside curly braces `{ }` after the image node to which they apply,
 for example:
 ```
-![text](/url.png){height=5 width=6}
+![text](/url.png){width=640 height=480}
 ```
 will be rendered as:
 ```
-<img src="/url.png" alt="text" height="5" width="6" />
+<img src="/url.png" alt="text" width="640" height="480" />
 ```
 
-Use class `StylesExtension` in artifact `commonmark-ext-image-attributes`.
+Use class `ImageAttributesExtension` in artifact `commonmark-ext-image-attributes`.
 
 Note: since this extension uses curly braces `{` `}` as its delimiters (in `StylesDelimiterProcessor`), this means that
 other delimiter processors *cannot* use curly braces for delimiting.

From e518a166af7eea1578988787c236ba4121f042ad Mon Sep 17 00:00:00 2001
From: alex <alexkarezin@gmail.com>
Date: Tue, 19 May 2020 08:30:31 -0400
Subject: [PATCH 035/450] Adding a link to the README header and diagrams to
 CONTRIBUTING.md. The linked dashboard describes overall repository structure.
 The goal is to help new developers explore project and understand
 architecture/dependencies. Direct link:
 https://www.sourcespy.com/github/atlassiancommonmarkjava/

---
 CONTRIBUTING.md | 8 ++++++++
 README.md       | 3 ++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index dbf3be13f..86c141127 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -16,6 +16,14 @@ existing issues with label "help wanted".
 For bigger changes, make sure you start a discussion first by creating
 an issue and explaining the intended change.
 
+The [sourcespy dashboard](https://sourcespy.com/github/atlassiancommonmarkjava/)
+provides a high level overview of the repository including
+[class diagram](https://sourcespy.com/github/atlassiancommonmarkjava/xx-omodel-.html),
+[module dependencies](https://sourcespy.com/github/atlassiancommonmarkjava/xx-omodulesc-.html),
+[module hierarchy](https://sourcespy.com/github/atlassiancommonmarkjava/xx-omodules-.html),
+[external libraries](https://sourcespy.com/github/atlassiancommonmarkjava/xx-ojavalibs-.html),
+and other components of the system.
+
 CLA
 ---
 
diff --git a/README.md b/README.md
index 2ee998193..77b710ce2 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ Java library for parsing and rendering [Markdown] text according to the
 [![javadoc](https://www.javadoc.io/badge/com.atlassian.commonmark/commonmark.svg?color=blue)](https://www.javadoc.io/doc/com.atlassian.commonmark/commonmark)
 [![Build status](https://travis-ci.org/atlassian/commonmark-java.svg?branch=master)](https://travis-ci.org/atlassian/commonmark-java)
 [![codecov](https://codecov.io/gh/atlassian/commonmark-java/branch/master/graph/badge.svg)](https://codecov.io/gh/atlassian/commonmark-java)
+[![SourceSpy Dashboard](https://sourcespy.com/shield.svg)](https://sourcespy.com/github/atlassiancommonmarkjava/)
 
 Introduction
 ------------
@@ -370,7 +371,7 @@ See also
 Contributing
 ------------
 
-See CONTRIBUTING.md file.
+See [CONTRIBUTING.md](CONTRIBUTING.md) file.
 
 License
 -------

From 7c578b2750213f5c7f38d9cea63a722a75989a9f Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 21 May 2020 17:58:06 +1000
Subject: [PATCH 036/450] Update date

---
 CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c3964cdb..fe2d164c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## [0.15.0] - 2020-05-15
+## [0.15.0] - 2020-05-21
 ### Added
 - Extension for width/height attributes for images, thanks @dohertyfjatl
   - Syntax: `![text](/url.png){width=640 height=480}`

From 6ed1491552f56d2f3e7868fca7b84dc1951a0ed8 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 21 May 2020 20:13:22 +1000
Subject: [PATCH 037/450] Configure separate push URL in developerConnection

This is needed for releasing on internal build server until we have a
better way to push to Maven Central.
---
 pom.xml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index ec4d8e37a..fca41d85e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -205,7 +205,8 @@
 
     <scm>
         <connection>scm:git:git@github.com:atlassian/commonmark-java.git</connection>
-        <developerConnection>scm:git:git@github.com:atlassian/commonmark-java.git</developerConnection>
+        <!-- Push URL is used for pushing commits and tag when doing a release on internal systems, see https://maven.apache.org/scm/git.html -->
+        <developerConnection>scm:git:[fetch=]git@github.com:atlassian/commonmark-java.git[push=]git@bitbucket.org:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
         <tag>HEAD</tag>
     </scm>

From 821e2ebc8d4bb114530fa0310f01e22b55c22976 Mon Sep 17 00:00:00 2001
From: bambooagent <build-agent@atlassian.com>
Date: Thu, 21 May 2020 10:26:13 +0000
Subject: [PATCH 038/450] [maven-release-plugin] prepare release
 commonmark-parent-0.15.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 80dd347f1..c0efb4c95 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.1-SNAPSHOT</version>
+        <version>0.15.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 3df0581e6..ff65bd9a9 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.1-SNAPSHOT</version>
+        <version>0.15.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index ad69f1795..9cd5da9f1 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.1-SNAPSHOT</version>
+        <version>0.15.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index ca797b7be..446c4157c 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.1-SNAPSHOT</version>
+        <version>0.15.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 9fe11a3b6..22bd8c11a 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.1-SNAPSHOT</version>
+        <version>0.15.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 6f8c59318..90b7336ac 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.1-SNAPSHOT</version>
+        <version>0.15.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 52dc6c63f..f088dd0ee 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.1-SNAPSHOT</version>
+        <version>0.15.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index d4534ec55..7d6c6b467 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.14.1-SNAPSHOT</version>
+        <version>0.15.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index f343a3d6e..b6009c968 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.1-SNAPSHOT</version>
+        <version>0.15.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index efb27f330..8fafe8577 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.1-SNAPSHOT</version>
+        <version>0.15.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 4850b2b45..fda0bb416 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.14.1-SNAPSHOT</version>
+        <version>0.15.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index fca41d85e..c3b11ef2f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.14.1-SNAPSHOT</version>
+    <version>0.15.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -89,52 +89,52 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.14.1-SNAPSHOT</version>
+                <version>0.15.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.14.1-SNAPSHOT</version>
+                <version>0.15.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.14.1-SNAPSHOT</version>
+                <version>0.15.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.14.1-SNAPSHOT</version>
+                <version>0.15.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.14.1-SNAPSHOT</version>
+                <version>0.15.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.14.1-SNAPSHOT</version>
+                <version>0.15.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.14.1-SNAPSHOT</version>
+                <version>0.15.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.14.1-SNAPSHOT</version>
+                <version>0.15.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.14.1-SNAPSHOT</version>
+                <version>0.15.0</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.14.1-SNAPSHOT</version>
+                <version>0.15.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -208,7 +208,7 @@
         <!-- Push URL is used for pushing commits and tag when doing a release on internal systems, see https://maven.apache.org/scm/git.html -->
         <developerConnection>scm:git:[fetch=]git@github.com:atlassian/commonmark-java.git[push=]git@bitbucket.org:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.15.0</tag>
     </scm>
 
 </project>

From 8462787d8a31c1cf89cd6094e9b877cbd1247aa8 Mon Sep 17 00:00:00 2001
From: bambooagent <build-agent@atlassian.com>
Date: Thu, 21 May 2020 10:26:14 +0000
Subject: [PATCH 039/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index c0efb4c95..dceed69c1 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.0</version>
+        <version>0.15.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index ff65bd9a9..3759a24e2 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.0</version>
+        <version>0.15.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 9cd5da9f1..9c67e1f7f 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.0</version>
+        <version>0.15.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 446c4157c..36326141e 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.0</version>
+        <version>0.15.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 22bd8c11a..393db6d5d 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.0</version>
+        <version>0.15.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 90b7336ac..250ce7dff 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.0</version>
+        <version>0.15.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index f088dd0ee..bd57f5300 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.0</version>
+        <version>0.15.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 7d6c6b467..ce34640b4 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.15.0</version>
+        <version>0.15.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index b6009c968..4d0a562ff 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.0</version>
+        <version>0.15.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 8fafe8577..4e4ced4e4 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.0</version>
+        <version>0.15.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index fda0bb416..a6eb2e437 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.0</version>
+        <version>0.15.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index c3b11ef2f..bf5e7f061 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.15.0</version>
+    <version>0.15.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -89,52 +89,52 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.15.0</version>
+                <version>0.15.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.15.0</version>
+                <version>0.15.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.15.0</version>
+                <version>0.15.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.15.0</version>
+                <version>0.15.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.15.0</version>
+                <version>0.15.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.15.0</version>
+                <version>0.15.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.15.0</version>
+                <version>0.15.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.15.0</version>
+                <version>0.15.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.15.0</version>
+                <version>0.15.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.15.0</version>
+                <version>0.15.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -208,7 +208,7 @@
         <!-- Push URL is used for pushing commits and tag when doing a release on internal systems, see https://maven.apache.org/scm/git.html -->
         <developerConnection>scm:git:[fetch=]git@github.com:atlassian/commonmark-java.git[push=]git@bitbucket.org:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>commonmark-parent-0.15.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From 3de7a084b74d81d25f4106850f6780560a27c39f Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 22 May 2020 11:07:06 +1000
Subject: [PATCH 040/450] Bump version references

---
 README.md                                                     | 4 ++--
 commonmark-android-test/.travis.sh                            | 2 +-
 commonmark-android-test/README.md                             | 2 +-
 .../ext/image/attributes/ImageAttributesExtension.java        | 2 ++
 .../ext/task/list/items/TaskListItemsExtension.java           | 2 ++
 5 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 2ee998193..230490d23 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.14.0</version>
+    <version>0.15.0</version>
 </dependency>
 ```
 
@@ -232,7 +232,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.14.0</version>
+    <version>0.15.0</version>
 </dependency>
 ```
 
diff --git a/commonmark-android-test/.travis.sh b/commonmark-android-test/.travis.sh
index 781568ce1..08fac5480 100755
--- a/commonmark-android-test/.travis.sh
+++ b/commonmark-android-test/.travis.sh
@@ -8,7 +8,7 @@ autolink_version=$(cd ../commonmark-ext-autolink && mvn help:evaluate -Dexpressi
 
 touch test.properties
 echo "path.report=../report" >> test.properties
-echo "version.maven=0.14.0" >> test.properties
+echo "version.maven=0.15.0" >> test.properties
 echo "version.maven_autolink=0.10.0" >> test.properties
 echo "version.snapshot=$version" >> test.properties
 echo "version.snapshot_autolink=$autolink_version" >> test.properties
diff --git a/commonmark-android-test/README.md b/commonmark-android-test/README.md
index 452556a63..3aa0cbdb3 100644
--- a/commonmark-android-test/README.md
+++ b/commonmark-android-test/README.md
@@ -28,7 +28,7 @@ sdk.dir=/path_to_android_sdk
 path.report=../report
 
 # Version number of commonmark and extensions in maven central.
-version.maven=0.14.0
+version.maven=0.15.0
 # Version number of autolink in maven central (not bundled with extension jar).
 version.maven_autolink=0.10.0
 
diff --git a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributesExtension.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributesExtension.java
index 1edfb443b..28c6abab2 100644
--- a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributesExtension.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/ImageAttributesExtension.java
@@ -16,6 +16,8 @@
  * ({@link org.commonmark.parser.Parser.Builder#extensions(Iterable)},
  * {@link HtmlRenderer.Builder#extensions(Iterable)}).
  * </p>
+ *
+ * @since 0.15.0
  */
 public class ImageAttributesExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension {
 
diff --git a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java
index 3577f6700..9bf0a2155 100644
--- a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java
+++ b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/TaskListItemsExtension.java
@@ -16,6 +16,8 @@
  * ({@link org.commonmark.parser.Parser.Builder#extensions(Iterable)},
  * {@link HtmlRenderer.Builder#extensions(Iterable)}).
  * </p>
+ *
+ * @since 0.15.0
  */
 public class TaskListItemsExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension {
 

From d3220a96ecfa30ecf4682a20b03b56faaa89bbcb Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 29 May 2020 20:03:40 +1000
Subject: [PATCH 041/450] Add text content rendering support for `InsExtension`

See #170.
---
 CHANGELOG.md                                  |  4 +++
 .../org/commonmark/ext/ins/InsExtension.java  | 26 +++++++++++---
 .../ext/ins/internal/InsHtmlNodeRenderer.java | 36 +++++++++++++++++++
 .../ext/ins/internal/InsNodeRenderer.java     | 30 +---------------
 .../internal/InsTextContentNodeRenderer.java  | 27 ++++++++++++++
 .../java/org/commonmark/ext/ins/InsTest.java  |  9 +++++
 6 files changed, 98 insertions(+), 34 deletions(-)
 create mode 100644 commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsHtmlNodeRenderer.java
 create mode 100644 commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsTextContentNodeRenderer.java

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe2d164c9..0d3111822 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## Unreleased
+### Added
+- Add text content rendering support for `InsExtension`
+
 ## [0.15.0] - 2020-05-21
 ### Added
 - Extension for width/height attributes for images, thanks @dohertyfjatl
diff --git a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java
index 831cd75c8..2f980d93b 100644
--- a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java
+++ b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java
@@ -2,12 +2,16 @@
 
 import org.commonmark.Extension;
 import org.commonmark.ext.ins.internal.InsDelimiterProcessor;
-import org.commonmark.ext.ins.internal.InsNodeRenderer;
+import org.commonmark.ext.ins.internal.InsHtmlNodeRenderer;
+import org.commonmark.ext.ins.internal.InsTextContentNodeRenderer;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.HtmlNodeRendererContext;
 import org.commonmark.renderer.html.HtmlNodeRendererFactory;
-import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
-import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.renderer.text.TextContentNodeRendererContext;
+import org.commonmark.renderer.text.TextContentNodeRendererFactory;
+import org.commonmark.renderer.text.TextContentRenderer;
 
 /**
  * Extension for ins using ++
@@ -20,7 +24,9 @@
  * The parsed ins text regions are turned into {@link Ins} nodes.
  * </p>
  */
-public class InsExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension {
+public class InsExtension implements Parser.ParserExtension,
+        HtmlRenderer.HtmlRendererExtension,
+        TextContentRenderer.TextContentRendererExtension {
 
     private InsExtension() {
     }
@@ -39,7 +45,17 @@ public void extend(HtmlRenderer.Builder rendererBuilder) {
         rendererBuilder.nodeRendererFactory(new HtmlNodeRendererFactory() {
             @Override
             public NodeRenderer create(HtmlNodeRendererContext context) {
-                return new InsNodeRenderer(context);
+                return new InsHtmlNodeRenderer(context);
+            }
+        });
+    }
+
+    @Override
+    public void extend(TextContentRenderer.Builder rendererBuilder) {
+        rendererBuilder.nodeRendererFactory(new TextContentNodeRendererFactory() {
+            @Override
+            public NodeRenderer create(TextContentNodeRendererContext context) {
+                return new InsTextContentNodeRenderer(context);
             }
         });
     }
diff --git a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsHtmlNodeRenderer.java b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsHtmlNodeRenderer.java
new file mode 100644
index 000000000..139a0b2cd
--- /dev/null
+++ b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsHtmlNodeRenderer.java
@@ -0,0 +1,36 @@
+package org.commonmark.ext.ins.internal;
+
+import org.commonmark.node.Node;
+import org.commonmark.renderer.html.HtmlNodeRendererContext;
+import org.commonmark.renderer.html.HtmlWriter;
+
+import java.util.Collections;
+import java.util.Map;
+
+public class InsHtmlNodeRenderer extends InsNodeRenderer {
+
+    private final HtmlNodeRendererContext context;
+    private final HtmlWriter html;
+
+    public InsHtmlNodeRenderer(HtmlNodeRendererContext context) {
+        this.context = context;
+        this.html = context.getWriter();
+    }
+
+    @Override
+    public void render(Node node) {
+        Map<String, String> attributes = context.extendAttributes(node, "ins", Collections.<String, String>emptyMap());
+        html.tag("ins", attributes);
+        renderChildren(node);
+        html.tag("/ins");
+    }
+
+    private void renderChildren(Node parent) {
+        Node node = parent.getFirstChild();
+        while (node != null) {
+            Node next = node.getNext();
+            context.render(node);
+            node = next;
+        }
+    }
+}
diff --git a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsNodeRenderer.java b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsNodeRenderer.java
index faf15cae7..0a44a2826 100644
--- a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsNodeRenderer.java
+++ b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsNodeRenderer.java
@@ -1,44 +1,16 @@
 package org.commonmark.ext.ins.internal;
 
 import org.commonmark.ext.ins.Ins;
-import org.commonmark.renderer.html.HtmlWriter;
-import org.commonmark.renderer.html.HtmlNodeRendererContext;
 import org.commonmark.node.Node;
 import org.commonmark.renderer.NodeRenderer;
 
 import java.util.Collections;
-import java.util.Map;
 import java.util.Set;
 
-public class InsNodeRenderer implements NodeRenderer {
-
-    private final HtmlNodeRendererContext context;
-    private final HtmlWriter html;
-
-    public InsNodeRenderer(HtmlNodeRendererContext context) {
-        this.context = context;
-        this.html = context.getWriter();
-    }
+abstract class InsNodeRenderer implements NodeRenderer {
 
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
         return Collections.<Class<? extends Node>>singleton(Ins.class);
     }
-
-    @Override
-    public void render(Node node) {
-        Map<String, String> attributes = context.extendAttributes(node, "ins", Collections.<String, String>emptyMap());
-        html.tag("ins", attributes);
-        renderChildren(node);
-        html.tag("/ins");
-    }
-
-    private void renderChildren(Node parent) {
-        Node node = parent.getFirstChild();
-        while (node != null) {
-            Node next = node.getNext();
-            context.render(node);
-            node = next;
-        }
-    }
 }
diff --git a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsTextContentNodeRenderer.java b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsTextContentNodeRenderer.java
new file mode 100644
index 000000000..f30947c93
--- /dev/null
+++ b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsTextContentNodeRenderer.java
@@ -0,0 +1,27 @@
+package org.commonmark.ext.ins.internal;
+
+import org.commonmark.node.Node;
+import org.commonmark.renderer.text.TextContentNodeRendererContext;
+
+public class InsTextContentNodeRenderer extends InsNodeRenderer {
+
+    private final TextContentNodeRendererContext context;
+
+    public InsTextContentNodeRenderer(TextContentNodeRendererContext context) {
+        this.context = context;
+    }
+
+    @Override
+    public void render(Node node) {
+        renderChildren(node);
+    }
+
+    private void renderChildren(Node parent) {
+        Node node = parent.getFirstChild();
+        while (node != null) {
+            Node next = node.getNext();
+            context.render(node);
+            node = next;
+        }
+    }
+}
diff --git a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
index 2b97431c3..05c8b41c5 100644
--- a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
+++ b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
@@ -4,6 +4,7 @@
 import org.commonmark.node.Node;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
@@ -17,6 +18,8 @@ public class InsTest extends RenderingTestCase {
     private static final Set<Extension> EXTENSIONS = Collections.singleton(InsExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
+    private static final TextContentRenderer CONTENT_RENDERER = TextContentRenderer.builder()
+            .extensions(EXTENSIONS).build();
 
     @Test
     public void onePlusIsNotEnough() {
@@ -80,6 +83,12 @@ public void delimited() {
         assertEquals("++", ins.getClosingDelimiter());
     }
 
+    @Test
+    public void textContentRenderer() {
+        Node document = PARSER.parse("++foo++");
+        assertEquals("foo", CONTENT_RENDERER.render(document));
+    }
+
     @Override
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));

From 61527c1d152d54630fc612ab0a43475370e56260 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 29 May 2020 20:56:55 +1000
Subject: [PATCH 042/450] Prepare for 0.15.1

---
 CHANGELOG.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d3111822..9cd5a9046 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## Unreleased
+## [0.15.1] - 2020-05-29
 ### Added
 - Add text content rendering support for `InsExtension`
 
@@ -286,6 +286,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[0.15.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.0...commonmark-parent-0.15.1
 [0.15.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.14.0...commonmark-parent-0.15.0
 [0.14.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.13.1...commonmark-parent-0.14.0
 [0.13.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.13.0...commonmark-parent-0.13.1

From 220f85b35202d66c0d967fc37803b6a4c87cfbc7 Mon Sep 17 00:00:00 2001
From: Bamboo Build User <deployment-bamboo-bot@atlassian.com>
Date: Fri, 29 May 2020 10:59:22 +0000
Subject: [PATCH 043/450] [maven-release-plugin] prepare release
 commonmark-parent-0.15.1

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index dceed69c1..2d906f47e 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1-SNAPSHOT</version>
+        <version>0.15.1</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 3759a24e2..afc0d520f 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1-SNAPSHOT</version>
+        <version>0.15.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 9c67e1f7f..1633fd5ec 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1-SNAPSHOT</version>
+        <version>0.15.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 36326141e..19551bf5c 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1-SNAPSHOT</version>
+        <version>0.15.1</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 393db6d5d..3c3a0f97d 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1-SNAPSHOT</version>
+        <version>0.15.1</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 250ce7dff..74aefdf70 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1-SNAPSHOT</version>
+        <version>0.15.1</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index bd57f5300..8d7c7fd9d 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1-SNAPSHOT</version>
+        <version>0.15.1</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index ce34640b4..6626247d6 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.15.1-SNAPSHOT</version>
+        <version>0.15.1</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 4d0a562ff..0b5f00fec 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1-SNAPSHOT</version>
+        <version>0.15.1</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 4e4ced4e4..5834c7689 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1-SNAPSHOT</version>
+        <version>0.15.1</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index a6eb2e437..203b0a0a9 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1-SNAPSHOT</version>
+        <version>0.15.1</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index bf5e7f061..5aa755293 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.15.1-SNAPSHOT</version>
+    <version>0.15.1</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -89,52 +89,52 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.15.1-SNAPSHOT</version>
+                <version>0.15.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.15.1-SNAPSHOT</version>
+                <version>0.15.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.15.1-SNAPSHOT</version>
+                <version>0.15.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.15.1-SNAPSHOT</version>
+                <version>0.15.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.15.1-SNAPSHOT</version>
+                <version>0.15.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.15.1-SNAPSHOT</version>
+                <version>0.15.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.15.1-SNAPSHOT</version>
+                <version>0.15.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.15.1-SNAPSHOT</version>
+                <version>0.15.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.15.1-SNAPSHOT</version>
+                <version>0.15.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.15.1-SNAPSHOT</version>
+                <version>0.15.1</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -208,7 +208,7 @@
         <!-- Push URL is used for pushing commits and tag when doing a release on internal systems, see https://maven.apache.org/scm/git.html -->
         <developerConnection>scm:git:[fetch=]git@github.com:atlassian/commonmark-java.git[push=]git@bitbucket.org:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.15.1</tag>
     </scm>
 
 </project>

From f4db757d33ce6f2deda8dc44a87bd943a5016740 Mon Sep 17 00:00:00 2001
From: Bamboo Build User <deployment-bamboo-bot@atlassian.com>
Date: Fri, 29 May 2020 10:59:25 +0000
Subject: [PATCH 044/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 2d906f47e..6f15a9386 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1</version>
+        <version>0.15.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index afc0d520f..7faf16d84 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1</version>
+        <version>0.15.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 1633fd5ec..9332ef1f2 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1</version>
+        <version>0.15.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 19551bf5c..5b2fd43d4 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1</version>
+        <version>0.15.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 3c3a0f97d..6e9d0e103 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1</version>
+        <version>0.15.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 74aefdf70..4d822b7b9 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1</version>
+        <version>0.15.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 8d7c7fd9d..8fb3e0e0a 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1</version>
+        <version>0.15.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 6626247d6..5bf99bee2 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.15.1</version>
+        <version>0.15.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 0b5f00fec..7732645df 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1</version>
+        <version>0.15.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 5834c7689..4ce25a747 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1</version>
+        <version>0.15.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 203b0a0a9..03fcc85ff 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.1</version>
+        <version>0.15.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 5aa755293..a16eb9913 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.15.1</version>
+    <version>0.15.2-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -89,52 +89,52 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.15.1</version>
+                <version>0.15.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.15.1</version>
+                <version>0.15.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.15.1</version>
+                <version>0.15.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.15.1</version>
+                <version>0.15.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.15.1</version>
+                <version>0.15.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.15.1</version>
+                <version>0.15.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.15.1</version>
+                <version>0.15.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.15.1</version>
+                <version>0.15.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.15.1</version>
+                <version>0.15.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.15.1</version>
+                <version>0.15.2-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -208,7 +208,7 @@
         <!-- Push URL is used for pushing commits and tag when doing a release on internal systems, see https://maven.apache.org/scm/git.html -->
         <developerConnection>scm:git:[fetch=]git@github.com:atlassian/commonmark-java.git[push=]git@bitbucket.org:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>commonmark-parent-0.15.1</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From e8fe5b175f693507b70445b124da1c19e19da1c7 Mon Sep 17 00:00:00 2001
From: Matthieu Brouillard <matthieu@brouillard.fr>
Date: Tue, 9 Jun 2020 15:16:14 +0200
Subject: [PATCH 045/450] add third-party extensions paragraph

adding project 'commonmark-ext-notifications' (https://github.com/McFoggy/commonmark-ext-notifications) as the first third party extension in the list

closes #173
---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index 53f3b4745..9302e306c 100644
--- a/README.md
+++ b/README.md
@@ -362,6 +362,12 @@ will be rendered as:
 
 Use class `TaskListItemsExtension` in artifact `commonmark-ext-task-list-items`.
 
+### Third-party extensions
+
+You can also find other extensions in the wild:
+
+* [commonmark-ext-notifications](https://github.com/McFoggy/commonmark-ext-notifications): this extension allows to easily create notifications/admonitions paragraphs like `INFO`, `SUCCESS`, `WARNING` or `ERROR`
+
 See also
 --------
 

From bb30626c80d9abfbf899bd9d069ce01c607e5997 Mon Sep 17 00:00:00 2001
From: Evgeny Naumenko <evgeny.naumenko@jetbrains.com>
Date: Sun, 19 Jul 2020 22:07:59 +0300
Subject: [PATCH 046/450] Image attributes extension is not expected to alter
 unrelated text nodes

---
 .../attributes/internal/ImageAttributesDelimiterProcessor.java  | 2 +-
 .../commonmark/ext/image/attributes/ImageAttributesTest.java    | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
index 839015186..68e3f7847 100644
--- a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
@@ -95,6 +95,6 @@ public void process(Text opener, Text closer, int delimiterCount) {
         } else {
             opener.getPrevious().insertAfter(new Text("" + getOpeningCharacter()));
         }
-        closer.getParent().appendChild(new Text("" + getClosingCharacter()));
+        closer.insertAfter(new Text("" + getClosingCharacter()));
     }
 }
diff --git a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
index cfffc8084..206fd9f47 100644
--- a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
+++ b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
@@ -109,6 +109,8 @@ public void textNodesAreUnchanged() {
         assertRendering("x {height=3 width=4}\n", "<p>x {height=3 width=4}</p>\n");
         assertRendering("\\documentclass[12pt]{article}\n", "<p>\\documentclass[12pt]{article}</p>\n");
         assertRendering("some *text*{height=3 width=4}\n", "<p>some <em>text</em>{height=3 width=4}</p>\n");
+        assertRendering("{NN} text", "<p>{NN} text</p>\n");
+        assertRendering("{}", "<p>{}</p>\n");
     }
 
     @Override

From 9956ac983afa12864a027c431ddeba911602e2c0 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 20 Jul 2020 20:31:25 +1000
Subject: [PATCH 047/450] Changelog for 0.15.2

---
 CHANGELOG.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9cd5a9046..da926a359 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [0.15.2] - 2020-07-20
+### Fixed
+- image-attributes extension: Fix unexpected altering of text in case
+  parsing of attributes fails, e.g. `{NN} text` -> `{NN text}`, thanks @jk1
+
 ## [0.15.1] - 2020-05-29
 ### Added
 - Add text content rendering support for `InsExtension`
@@ -286,6 +291,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[0.15.2]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.1...commonmark-parent-0.15.2
 [0.15.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.0...commonmark-parent-0.15.1
 [0.15.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.14.0...commonmark-parent-0.15.0
 [0.14.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.13.1...commonmark-parent-0.14.0

From c0b68a64b126cd008fff936816bb8c716482c2c0 Mon Sep 17 00:00:00 2001
From: bambooagent <build-agent@atlassian.com>
Date: Mon, 20 Jul 2020 10:34:44 +0000
Subject: [PATCH 048/450] [maven-release-plugin] prepare release
 commonmark-parent-0.15.2

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 6f15a9386..17eb799bf 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2-SNAPSHOT</version>
+        <version>0.15.2</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 7faf16d84..1bf396178 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2-SNAPSHOT</version>
+        <version>0.15.2</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 9332ef1f2..0f6fd4411 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2-SNAPSHOT</version>
+        <version>0.15.2</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 5b2fd43d4..cf1b33acf 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2-SNAPSHOT</version>
+        <version>0.15.2</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 6e9d0e103..4ab6a0093 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2-SNAPSHOT</version>
+        <version>0.15.2</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 4d822b7b9..fe340208d 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2-SNAPSHOT</version>
+        <version>0.15.2</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 8fb3e0e0a..20b4da3e3 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2-SNAPSHOT</version>
+        <version>0.15.2</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 5bf99bee2..bbb22b653 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.15.2-SNAPSHOT</version>
+        <version>0.15.2</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 7732645df..f5eb8c233 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2-SNAPSHOT</version>
+        <version>0.15.2</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 4ce25a747..1e2bdad74 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2-SNAPSHOT</version>
+        <version>0.15.2</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 03fcc85ff..1a9f1385e 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2-SNAPSHOT</version>
+        <version>0.15.2</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index a16eb9913..7f3adec72 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.15.2-SNAPSHOT</version>
+    <version>0.15.2</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -89,52 +89,52 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.15.2-SNAPSHOT</version>
+                <version>0.15.2</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.15.2-SNAPSHOT</version>
+                <version>0.15.2</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.15.2-SNAPSHOT</version>
+                <version>0.15.2</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.15.2-SNAPSHOT</version>
+                <version>0.15.2</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.15.2-SNAPSHOT</version>
+                <version>0.15.2</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.15.2-SNAPSHOT</version>
+                <version>0.15.2</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.15.2-SNAPSHOT</version>
+                <version>0.15.2</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.15.2-SNAPSHOT</version>
+                <version>0.15.2</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.15.2-SNAPSHOT</version>
+                <version>0.15.2</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.15.2-SNAPSHOT</version>
+                <version>0.15.2</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -208,7 +208,7 @@
         <!-- Push URL is used for pushing commits and tag when doing a release on internal systems, see https://maven.apache.org/scm/git.html -->
         <developerConnection>scm:git:[fetch=]git@github.com:atlassian/commonmark-java.git[push=]git@bitbucket.org:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.15.2</tag>
     </scm>
 
 </project>

From 2d366c07f206acdece59cc8743070b32302e96ac Mon Sep 17 00:00:00 2001
From: bambooagent <build-agent@atlassian.com>
Date: Mon, 20 Jul 2020 10:34:47 +0000
Subject: [PATCH 049/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 17eb799bf..6ace6dcdf 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2</version>
+        <version>0.15.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 1bf396178..830679c7e 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2</version>
+        <version>0.15.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 0f6fd4411..f79d47846 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2</version>
+        <version>0.15.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index cf1b33acf..68280c177 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2</version>
+        <version>0.15.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 4ab6a0093..a3bfdce37 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2</version>
+        <version>0.15.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index fe340208d..0c4a8b863 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2</version>
+        <version>0.15.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 20b4da3e3..85724e508 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2</version>
+        <version>0.15.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index bbb22b653..8e6455a16 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.15.2</version>
+        <version>0.15.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index f5eb8c233..84e395140 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2</version>
+        <version>0.15.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 1e2bdad74..527583c4c 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2</version>
+        <version>0.15.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 1a9f1385e..4bc665269 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.2</version>
+        <version>0.15.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 7f3adec72..d81dc186a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.15.2</version>
+    <version>0.15.3-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -89,52 +89,52 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.15.2</version>
+                <version>0.15.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.15.2</version>
+                <version>0.15.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.15.2</version>
+                <version>0.15.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.15.2</version>
+                <version>0.15.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.15.2</version>
+                <version>0.15.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.15.2</version>
+                <version>0.15.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.15.2</version>
+                <version>0.15.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.15.2</version>
+                <version>0.15.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.15.2</version>
+                <version>0.15.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.15.2</version>
+                <version>0.15.3-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -208,7 +208,7 @@
         <!-- Push URL is used for pushing commits and tag when doing a release on internal systems, see https://maven.apache.org/scm/git.html -->
         <developerConnection>scm:git:[fetch=]git@github.com:atlassian/commonmark-java.git[push=]git@bitbucket.org:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>commonmark-parent-0.15.2</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From 5c14fbecbdb5427adcb2f7bc3ad71828a46f2423 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 20 Jul 2020 20:38:14 +1000
Subject: [PATCH 050/450] Bump version references

---
 README.md                          | 4 ++--
 commonmark-android-test/.travis.sh | 2 +-
 commonmark-android-test/README.md  | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 9302e306c..b981e7089 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.15.0</version>
+    <version>0.15.2</version>
 </dependency>
 ```
 
@@ -233,7 +233,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.15.0</version>
+    <version>0.15.2</version>
 </dependency>
 ```
 
diff --git a/commonmark-android-test/.travis.sh b/commonmark-android-test/.travis.sh
index 08fac5480..44426d7fe 100755
--- a/commonmark-android-test/.travis.sh
+++ b/commonmark-android-test/.travis.sh
@@ -8,7 +8,7 @@ autolink_version=$(cd ../commonmark-ext-autolink && mvn help:evaluate -Dexpressi
 
 touch test.properties
 echo "path.report=../report" >> test.properties
-echo "version.maven=0.15.0" >> test.properties
+echo "version.maven=0.15.2" >> test.properties
 echo "version.maven_autolink=0.10.0" >> test.properties
 echo "version.snapshot=$version" >> test.properties
 echo "version.snapshot_autolink=$autolink_version" >> test.properties
diff --git a/commonmark-android-test/README.md b/commonmark-android-test/README.md
index 3aa0cbdb3..a4c498fc4 100644
--- a/commonmark-android-test/README.md
+++ b/commonmark-android-test/README.md
@@ -28,7 +28,7 @@ sdk.dir=/path_to_android_sdk
 path.report=../report
 
 # Version number of commonmark and extensions in maven central.
-version.maven=0.15.0
+version.maven=0.15.2
 # Version number of autolink in maven central (not bundled with extension jar).
 version.maven_autolink=0.10.0
 

From 090f5e2811c3f8501d82a8f7fc5b9f81893238e8 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 20 Jul 2020 20:42:24 +1000
Subject: [PATCH 051/450] Fix typo in changelog

---
 CHANGELOG.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index da926a359..64e160aac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,8 +23,8 @@ with the exception that 0.x versions can break between minor versions.
 - Extension for task lists (GitHub-style), thanks @dohertyfjatl
   - Syntax:
     ```
-    - [x] task #1` 
-    - [ ] task #2` 
+    - [x] task #1
+    - [ ] task #2
     ```
   - Use class `TaskListItemsExtension` in artifact `commonmark-ext-task-list-items`
 

From 6bea5287106b0f8358b9e12d2be8a876b39e5e7c Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 30 Jul 2020 20:49:54 +1000
Subject: [PATCH 052/450] Improve ProfilingMain

---
 .../java/org/commonmark/ProfilingMain.java    | 30 ++++++++++++++-----
 1 file changed, 22 insertions(+), 8 deletions(-)

diff --git a/commonmark/src/test/java/org/commonmark/ProfilingMain.java b/commonmark/src/test/java/org/commonmark/ProfilingMain.java
index 0f0c08153..31ae2b5f5 100644
--- a/commonmark/src/test/java/org/commonmark/ProfilingMain.java
+++ b/commonmark/src/test/java/org/commonmark/ProfilingMain.java
@@ -1,9 +1,11 @@
 package org.commonmark;
 
+import org.commonmark.node.Node;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.TestResources;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
@@ -15,17 +17,29 @@ public class ProfilingMain {
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().build();
 
     public static void main(String[] args) throws Exception {
-        System.out.println("Started up, attach profiler now");
-        Thread.sleep(10_000);
-        System.out.println("Parsing and rendering");
-        parseAndRender(Collections.singletonList(SPEC));
-        System.out.println("Finished parsing");
+        System.out.println("Attach profiler, then press enter to start parsing.");
+        System.in.read();
+        System.out.println("Parsing");
+        List<Node> nodes = parse(Collections.singletonList(SPEC));
+        System.out.println("Finished parsing, press enter to start rendering");
+        System.in.read();
+        System.out.println(render(nodes));
+        System.out.println("Finished rendering");
     }
 
-    private static long parseAndRender(List<String> examples) {
-        long length = 0;
+    private static List<Node> parse(List<String> examples) {
+        List<Node> nodes = new ArrayList<>();
         for (String example : examples) {
-            String result = RENDERER.render(PARSER.parse(example));
+            Node doc = PARSER.parse(example);
+            nodes.add(doc);
+        }
+        return nodes;
+    }
+
+    private static long render(List<Node> examples) {
+        long length = 0;
+        for (Node example : examples) {
+            String result = RENDERER.render(example);
             length += result.length();
         }
         return length;

From eff0fd59080ddb33549e16eab6c35efc62902862 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 30 Jul 2020 21:58:58 +1000
Subject: [PATCH 053/450] Optimize block parser fields in DocumentParser
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* Get rid of unnecessary subList and new ArrayList for each line
* Replace set of allBlockParsers with list, by only adding block parsers
  when we close them (which excludes replaced block parsers)

Nice speedup, before:

Benchmark                      Mode  Cnt    Score   Error  Units
SpecBenchmark.parseExamples   thrpt  100  571.107 ± 4.729  ops/s
SpecBenchmark.parseWholeSpec  thrpt  100  346.729 ± 1.741  ops/s

After:

Benchmark                      Mode  Cnt    Score    Error  Units
SpecBenchmark.parseExamples   thrpt  100  719.877 ± 11.851  ops/s
SpecBenchmark.parseWholeSpec  thrpt  100  407.535 ±  3.174  ops/s
---
 .../commonmark/internal/DocumentParser.java   | 77 +++++++++----------
 1 file changed, 36 insertions(+), 41 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index d1b43a7b4..700519ac9 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -66,9 +66,8 @@ public class DocumentParser implements ParserState {
     private final DocumentBlockParser documentBlockParser;
     private final Map<String, LinkReferenceDefinition> definitions = new LinkedHashMap<>();
 
-    private List<BlockParser> activeBlockParsers = new ArrayList<>();
-    // LinkedHashSet to have a deterministic order
-    private Set<BlockParser> allBlockParsers = new LinkedHashSet<>();
+    private final List<BlockParser> activeBlockParsers = new ArrayList<>();
+    private final List<BlockParser> allBlockParsers = new ArrayList<>();
 
     public DocumentParser(List<BlockParserFactory> blockParserFactories, InlineParserFactory inlineParserFactory,
                           List<DelimiterProcessor> delimiterProcessors) {
@@ -179,18 +178,17 @@ private void incorporateLine(CharSequence ln) {
         columnIsInTab = false;
 
         // For each containing block, try to parse the associated line start.
-        // Bail out on failure: container will point to the last matching block.
-        // Set all_matched to false if not all containers match.
-        // The document will always match, can be skipped
+        // The document will always match, so we can skip the first block parser and start at 1 matches
         int matches = 1;
-        for (BlockParser blockParser : activeBlockParsers.subList(1, activeBlockParsers.size())) {
+        for (int i = 1; i < activeBlockParsers.size(); i++) {
+            BlockParser blockParser = activeBlockParsers.get(i);
             findNextNonSpace();
 
             BlockContinue result = blockParser.tryContinue(this);
             if (result instanceof BlockContinueImpl) {
                 BlockContinueImpl blockContinue = (BlockContinueImpl) result;
                 if (blockContinue.isFinalize()) {
-                    finalize(blockParser);
+                    closeBlockParsers(activeBlockParsers.size() - i);
                     return;
                 } else {
                     if (blockContinue.getNewIndex() != -1) {
@@ -205,10 +203,9 @@ private void incorporateLine(CharSequence ln) {
             }
         }
 
-        List<BlockParser> unmatchedBlockParsers = new ArrayList<>(activeBlockParsers.subList(matches, activeBlockParsers.size()));
-        BlockParser lastMatchedBlockParser = activeBlockParsers.get(matches - 1);
-        BlockParser blockParser = lastMatchedBlockParser;
-        boolean allClosed = unmatchedBlockParsers.isEmpty();
+        int unmatchedBlocks = activeBlockParsers.size() - matches;
+        BlockParser blockParser = activeBlockParsers.get(matches - 1);
+        boolean startedNewBlock = false;
 
         // Unless last matched container is a code block, try new container starts,
         // adding children to the last matched container:
@@ -228,9 +225,12 @@ private void incorporateLine(CharSequence ln) {
                 break;
             }
 
-            if (!allClosed) {
-                finalizeBlocks(unmatchedBlockParsers);
-                allClosed = true;
+            startedNewBlock = true;
+
+            // We're starting a new block. If we have any previous blocks that need to be closed, we need to do it now.
+            if (unmatchedBlocks > 0) {
+                closeBlockParsers(unmatchedBlocks);
+                unmatchedBlocks = 0;
             }
 
             if (blockStart.getNewIndex() != -1) {
@@ -253,7 +253,7 @@ private void incorporateLine(CharSequence ln) {
         // appropriate block.
 
         // First check for a lazy paragraph continuation:
-        if (!allClosed && !isBlank() &&
+        if (!startedNewBlock && !isBlank() &&
                 getActiveBlockParser().canHaveLazyContinuationLines()) {
             // lazy paragraph continuation
             addLine();
@@ -261,8 +261,8 @@ private void incorporateLine(CharSequence ln) {
         } else {
 
             // finalize any blocks not matched
-            if (!allClosed) {
-                finalizeBlocks(unmatchedBlockParsers);
+            if (unmatchedBlocks > 0) {
+                closeBlockParsers(unmatchedBlocks);
             }
 
             if (!blockParser.isContainer()) {
@@ -387,10 +387,6 @@ private BlockStartImpl findBlockStart(BlockParser blockParser) {
      * definitions.
      */
     private void finalize(BlockParser blockParser) {
-        if (getActiveBlockParser() == blockParser) {
-            deactivateBlockParser();
-        }
-
         if (blockParser instanceof ParagraphParser) {
             addDefinitionsFrom((ParagraphParser) blockParser);
         }
@@ -429,7 +425,7 @@ private void processInlines() {
      */
     private <T extends BlockParser> T addChild(T blockParser) {
         while (!getActiveBlockParser().canContain(blockParser.getBlock())) {
-            finalize(getActiveBlockParser());
+            closeBlockParsers(1);
         }
 
         getActiveBlockParser().getBlock().appendChild(blockParser.getBlock());
@@ -440,17 +436,15 @@ private <T extends BlockParser> T addChild(T blockParser) {
 
     private void activateBlockParser(BlockParser blockParser) {
         activeBlockParsers.add(blockParser);
-        allBlockParsers.add(blockParser);
     }
 
-    private void deactivateBlockParser() {
-        activeBlockParsers.remove(activeBlockParsers.size() - 1);
+    private BlockParser deactivateBlockParser() {
+        return activeBlockParsers.remove(activeBlockParsers.size() - 1);
     }
 
     private void prepareActiveBlockParserForReplacement() {
-        BlockParser old = getActiveBlockParser();
-        deactivateBlockParser();
-        allBlockParsers.remove(old);
+        // Note that we don't want to parse inlines or finalize this block, as it's getting replaced.
+        BlockParser old = deactivateBlockParser();
 
         if (old instanceof ParagraphParser) {
             ParagraphParser paragraphParser = (ParagraphParser) old;
@@ -465,20 +459,21 @@ private void prepareActiveBlockParserForReplacement() {
         old.getBlock().unlink();
     }
 
-    /**
-     * Finalize blocks of previous line. Returns true.
-     */
-    private void finalizeBlocks(List<BlockParser> blockParsers) {
-        for (int i = blockParsers.size() - 1; i >= 0; i--) {
-            BlockParser blockParser = blockParsers.get(i);
-            finalize(blockParser);
-        }
+    private Document finalizeAndProcess() {
+        closeBlockParsers(activeBlockParsers.size());
+        processInlines();
+        return documentBlockParser.getBlock();
     }
 
-    private Document finalizeAndProcess() {
-        finalizeBlocks(this.activeBlockParsers);
-        this.processInlines();
-        return this.documentBlockParser.getBlock();
+    private void closeBlockParsers(int count) {
+        for (int i = 0; i < count; i++) {
+            BlockParser blockParser = deactivateBlockParser();
+            finalize(blockParser);
+            // Remember for inline parsing. Note that a lot of blocks don't need inline parsing. We could have a
+            // separate interface (e.g. BlockParserWithInlines) so that we only have to remember those that actually
+            // have inlines to parse.
+            allBlockParsers.add(blockParser);
+        }
     }
 
     private static class MatchedBlockParserImpl implements MatchedBlockParser {

From 25c23c8ff41902f5dfc4f268c3e9f0da70f1140a Mon Sep 17 00:00:00 2001
From: leofernandesmo <leonardo.fernandes@ifal.edu.br>
Date: Tue, 4 Aug 2020 16:26:46 -0300
Subject: [PATCH 054/450] Removed test code duplication

---
 .../test/TextContentRendererTest.java         | 132 ++++++++++--------
 1 file changed, 74 insertions(+), 58 deletions(-)

diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index 7a873b19d..2f5e61ff8 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -15,15 +15,15 @@ public void textContentText() {
         String rendered;
 
         source = "foo bar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo bar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo bar", rendered);
 
         source = "foo foo\n\nbar\nbar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo foo\nbar\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo foo bar bar", rendered);
     }
 
@@ -33,33 +33,39 @@ public void textContentEmphasis() {
         String rendered;
 
         source = "***foo***";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source, defaultRenderer());
         assertEquals("foo", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo", rendered);
 
         source = "foo ***foo*** bar ***bar***";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo foo bar bar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo foo bar bar", rendered);
 
         source = "foo\n***foo***\nbar\n\n***bar***";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo\nfoo\nbar\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo foo bar bar", rendered);
     }
 
+    private String defaultRenderer(String source, TextContentRenderer textContentRenderer) {
+        String rendered;
+        rendered = textContentRenderer.render(parse(source));
+        return rendered;
+    }
+
     @Test
     public void textContentQuotes() {
         String source;
         String rendered;
 
         source = "foo\n>foo\nbar\n\nbar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo\n«foo\nbar»\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo «foo bar» bar", rendered);
     }
 
@@ -71,37 +77,37 @@ public void textContentLinks() {
 
         source = "foo [text](http://link \"title\") bar";
         expected = "foo \"text\" (title: http://link) bar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals(expected, rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals(expected, rendered);
 
         source = "foo [text](http://link \"http://link\") bar";
         expected = "foo \"text\" (http://link) bar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals(expected, rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals(expected, rendered);
 
         source = "foo [text](http://link) bar";
         expected = "foo \"text\" (http://link) bar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals(expected, rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals(expected, rendered);
 
         source = "foo [text]() bar";
         expected = "foo \"text\" bar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals(expected, rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals(expected, rendered);
 
         source = "foo http://link bar";
         expected = "foo http://link bar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals(expected, rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals(expected, rendered);
     }
 
@@ -113,23 +119,23 @@ public void textContentImages() {
 
         source = "foo ![text](http://link \"title\") bar";
         expected = "foo \"text\" (title: http://link) bar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals(expected, rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals(expected, rendered);
 
         source = "foo ![text](http://link) bar";
         expected = "foo \"text\" (http://link) bar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals(expected, rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals(expected, rendered);
 
         source = "foo ![text]() bar";
         expected = "foo \"text\" bar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals(expected, rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals(expected, rendered);
     }
 
@@ -139,51 +145,51 @@ public void textContentLists() {
         String rendered;
 
         source = "foo\n* foo\n* bar\n\nbar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo\n* foo\n* bar\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo foo bar bar", rendered);
 
         source = "foo\n- foo\n- bar\n\nbar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo\n- foo\n- bar\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo foo bar bar", rendered);
 
         source = "foo\n1. foo\n2. bar\n\nbar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo\n1. foo\n2. bar\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo 1. foo 2. bar bar", rendered);
 
         source = "foo\n0) foo\n1) bar\n\nbar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo\n0) foo\n1) bar\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo 0) foo 1) bar bar", rendered);
 
         source = "bar\n1. foo\n   1. bar\n2. foo";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("bar\n1. foo\n   1. bar\n2. foo", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("bar 1. foo 1. bar 2. foo", rendered);
 
         source = "bar\n* foo\n   - bar\n* foo";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("bar\n* foo\n   - bar\n* foo", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("bar foo bar foo", rendered);
 
         source = "bar\n* foo\n   1. bar\n   2. bar\n* foo";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("bar\n* foo\n   1. bar\n   2. bar\n* foo", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("bar foo 1. bar 2. bar foo", rendered);
 
         source = "bar\n1. foo\n   * bar\n   * bar\n2. foo";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("bar\n1. foo\n   * bar\n   * bar\n2. foo", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("bar 1. foo bar bar 2. foo", rendered);
     }
 
@@ -195,9 +201,9 @@ public void textContentCode() {
 
         source = "foo `code` bar";
         expected = "foo \"code\" bar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals(expected, rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals(expected, rendered);
     }
 
@@ -207,15 +213,15 @@ public void textContentCodeBlock() {
         String rendered;
 
         source = "foo\n```\nfoo\nbar\n```\nbar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo\nfoo\nbar\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo foo bar bar", rendered);
 
         source = "foo\n\n    foo\n     bar\nbar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo\nfoo\n bar\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo foo bar bar", rendered);
     }
 
@@ -225,24 +231,26 @@ public void textContentBrakes() {
         String rendered;
 
         source = "foo\nbar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo bar", rendered);
 
         source = "foo  \nbar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo bar", rendered);
 
         source = "foo\n___\nbar";
-        rendered = defaultRenderer().render(parse(source));
+        rendered = defaultRenderer(source);
         assertEquals("foo\n***\nbar", rendered);
-        rendered = strippedRenderer().render(parse(source));
+        rendered = strippedRenderer(source);
         assertEquals("foo bar", rendered);
     }
 
+
+
     @Test
     public void textContentHtml() {
         String rendered;
@@ -254,11 +262,11 @@ public void textContentHtml() {
                 "    </td>\n" +
                 "  </tr>\n" +
                 "</table>";
-        rendered = defaultRenderer().render(parse(html));
+        rendered = defaultRenderer(html);
         assertEquals(html, rendered);
 
         html = "foo <foo>foobar</foo> bar";
-        rendered = defaultRenderer().render(parse(html));
+        rendered = defaultRenderer(html);
         assertEquals(html, rendered);
     }
 
@@ -273,4 +281,12 @@ private TextContentRenderer strippedRenderer() {
     private Node parse(String source) {
         return Parser.builder().build().parse(source);
     }
+
+    private String strippedRenderer(String source) {
+        return strippedRenderer().render(parse(source));
+    }
+
+    private String defaultRenderer(String source) {
+        return defaultRenderer().render(parse(source));
+    }
 }

From 8ec32f1a75e9490652c64d5b3424e4370fbce5ba Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 31 Aug 2020 15:29:27 +1000
Subject: [PATCH 055/450] Add GitHub actions

---
 .github/workflows/ci.yml | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 .github/workflows/ci.yml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 000000000..9b2c8ce5c
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,20 @@
+# See https://docs.github.com/en/actions/language-and-framework-guides/building-and-testing-java-with-maven
+
+name: ci
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Build with Maven
+        run: mvn -B package

From 3ce316940bce8190afc3a2db2d1d6963e751f668 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 31 Aug 2020 15:45:33 +1000
Subject: [PATCH 056/450] Move coverage to actions

---
 .github/workflows/ci.yml | 26 +++++++++++++++++++++++---
 .travis.yml              |  7 -------
 2 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9b2c8ce5c..e1c22438d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,14 +7,34 @@ on: [push]
 jobs:
   build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: [1.8, 11]
     steps:
       - name: Checkout sources
         uses: actions/checkout@v2
 
-      - name: Set up JDK 1.8
+      - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8
+          java-version: ${{ matrix.java }}
 
-      - name: Build with Maven
+      - name: Build
         run: mvn -B package
+
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Build with coverage
+        run: mvn -B -Pcoverage clean test jacoco:report-aggregate
+
+      - name: Publish coverage
+        uses: codecov/codecov-action@v1
diff --git a/.travis.yml b/.travis.yml
index f73430272..ebe918c1c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,10 +22,3 @@ matrix:
 script:
   - 'if [ $TEST = java ]; then mvn test -Dsurefire.useFile=false; fi'
   - 'if [ $TEST = android ]; then mvn install -DskipTests && cd commonmark-android-test && travis_retry ./.travis.sh; fi'
-
-after_success: |
-  if [ $TRAVIS_JDK_VERSION = oraclejdk8 ] && [ $TEST = java ]; then
-    # Calculate test coverage
-    mvn clean test jacoco:report-aggregate -Pcoverage
-    bash <(curl -s https://codecov.io/bash)
-  fi

From 8fed49c21ef8630cab03f556c73ba1835d8419dc Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Sat, 15 Aug 2020 16:52:08 +1000
Subject: [PATCH 057/450] Restart work for adding source positions

The previous attempt required every block parser to implement source
positions, which is not ideal. This one is for trying to see if we can
get it done inside DocumentParser.

Note that SourceSpan initially used 1-based indexes and
beginIndex/endIndex, but it was changed to 0-based and a length because:

0-based fits better with the existing API and other Java APIs. And
instead of having an endIndex, having a length would allow us to easily
extend the SourceSpan to include a character offset in addition to
line/column offset.
---
 .../commonmark/ext/gfm/tables/TablesTest.java |  46 +++++
 commonmark-test-util/pom.xml                  |   4 +
 .../commonmark/internal/DocumentParser.java   |  56 +++++-
 .../org/commonmark/internal/SourceSpans.java  |  13 ++
 .../main/java/org/commonmark/node/Node.java   |  13 ++
 .../java/org/commonmark/node/SourceSpan.java  |  69 +++++++
 .../commonmark/test/SourceSpanRenderer.java   |  92 +++++++++
 .../org/commonmark/test/SourceSpansTest.java  | 178 ++++++++++++++++++
 pom.xml                                       |   5 +
 9 files changed, 470 insertions(+), 6 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/SourceSpans.java
 create mode 100644 commonmark/src/main/java/org/commonmark/node/SourceSpan.java
 create mode 100644 commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
 create mode 100644 commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java

diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index 563ae8c18..950926e1f 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.Extension;
 import org.commonmark.node.Node;
+import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.AttributeProvider;
 import org.commonmark.renderer.html.AttributeProviderContext;
@@ -15,6 +16,8 @@
 import java.util.Set;
 
 import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.Matchers.contains;
+import static org.hamcrest.Matchers.emptyIterable;
 import static org.junit.Assert.assertThat;
 
 public class TablesTest extends RenderingTestCase {
@@ -643,6 +646,49 @@ public void setAttributes(Node node, String tagName, Map<String, String> attribu
                 "</table>\n"));
     }
 
+    @Test
+    public void sourceSpans() {
+        Node document = PARSER.parse("Abc|Def\n---|---\n|1|2\n 3|four|\n|||\n");
+
+        TableBlock block = (TableBlock) document.getFirstChild();
+        assertThat(block.getSourceSpans(), contains(SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 7),
+                SourceSpan.of(2, 0, 4), SourceSpan.of(3, 1, 7), SourceSpan.of(4, 0, 3)));
+
+        TableHead head = (TableHead) block.getFirstChild();
+        assertThat(head.getSourceSpans(), contains(SourceSpan.of(0, 0, 7)));
+
+        TableRow headRow = (TableRow) head.getFirstChild();
+        assertThat(headRow.getSourceSpans(), contains(SourceSpan.of(0, 0, 7)));
+        TableCell headRowCell1 = (TableCell) headRow.getFirstChild();
+        TableCell headRowCell2 = (TableCell) headRow.getLastChild();
+        assertThat(headRowCell1.getSourceSpans(), contains(SourceSpan.of(0, 0, 3)));
+        assertThat(headRowCell2.getSourceSpans(), contains(SourceSpan.of(0, 4, 3)));
+
+        TableBody body = (TableBody) block.getLastChild();
+        assertThat(body.getSourceSpans(), contains(SourceSpan.of(2, 0, 4), SourceSpan.of(3, 1, 7), SourceSpan.of(4, 0, 3)));
+
+        TableRow bodyRow1 = (TableRow) body.getFirstChild();
+        assertThat(bodyRow1.getSourceSpans(), contains(SourceSpan.of(2, 0, 4)));
+        TableCell bodyRow1Cell1 = (TableCell) bodyRow1.getFirstChild();
+        TableCell bodyRow1Cell2 = (TableCell) bodyRow1.getLastChild();
+        assertThat(bodyRow1Cell1.getSourceSpans(), contains(SourceSpan.of(2, 1, 1)));
+        assertThat(bodyRow1Cell2.getSourceSpans(), contains(SourceSpan.of(2, 3, 1)));
+
+        TableRow bodyRow2 = (TableRow) body.getFirstChild().getNext();
+        assertThat(bodyRow2.getSourceSpans(), contains(SourceSpan.of(3, 1, 7)));
+        TableCell bodyRow2Cell1 = (TableCell) bodyRow2.getFirstChild();
+        TableCell bodyRow2Cell2 = (TableCell) bodyRow2.getLastChild();
+        assertThat(bodyRow2Cell1.getSourceSpans(), contains(SourceSpan.of(3, 1, 1)));
+        assertThat(bodyRow2Cell2.getSourceSpans(), contains(SourceSpan.of(3, 3, 4)));
+
+        TableRow bodyRow3 = (TableRow) body.getLastChild();
+        assertThat(bodyRow3.getSourceSpans(), contains(SourceSpan.of(4, 0, 3)));
+        TableCell bodyRow3Cell1 = (TableCell) bodyRow3.getFirstChild();
+        TableCell bodyRow3Cell2 = (TableCell) bodyRow3.getLastChild();
+        assertThat(bodyRow3Cell1.getSourceSpans(), emptyIterable());
+        assertThat(bodyRow3Cell2.getSourceSpans(), emptyIterable());
+    }
+
     @Override
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 527583c4c..92046f159 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -16,6 +16,10 @@
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-library</artifactId>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 700519ac9..ce965f1e3 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -1,16 +1,40 @@
 package org.commonmark.internal;
 
 import org.commonmark.internal.util.Parsing;
-import org.commonmark.node.*;
+import org.commonmark.node.Block;
+import org.commonmark.node.BlockQuote;
+import org.commonmark.node.Document;
+import org.commonmark.node.FencedCodeBlock;
+import org.commonmark.node.Heading;
+import org.commonmark.node.HtmlBlock;
+import org.commonmark.node.IndentedCodeBlock;
+import org.commonmark.node.LinkReferenceDefinition;
+import org.commonmark.node.ListBlock;
+import org.commonmark.node.Paragraph;
+import org.commonmark.node.SourceSpan;
+import org.commonmark.node.ThematicBreak;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.InlineParserFactory;
-import org.commonmark.parser.block.*;
+import org.commonmark.parser.block.BlockContinue;
+import org.commonmark.parser.block.BlockParser;
+import org.commonmark.parser.block.BlockParserFactory;
+import org.commonmark.parser.block.BlockStart;
+import org.commonmark.parser.block.MatchedBlockParser;
+import org.commonmark.parser.block.ParserState;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.Reader;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 
 public class DocumentParser implements ParserState {
 
@@ -40,6 +64,11 @@ public class DocumentParser implements ParserState {
 
     private CharSequence line;
 
+    /**
+     * Line index (0-based)
+     */
+    private int lineIndex = -1;
+
     /**
      * current index (offset) in input line (0-based)
      */
@@ -137,6 +166,10 @@ public CharSequence getLine() {
         return line;
     }
 
+    public int getLineIndex() {
+        return lineIndex;
+    }
+
     @Override
     public int getIndex() {
         return index;
@@ -172,6 +205,7 @@ public BlockParser getActiveBlockParser() {
      * line of input, then finalizing the document.
      */
     private void incorporateLine(CharSequence ln) {
+        lineIndex++;
         line = Parsing.prepareLine(ln);
         index = 0;
         column = 0;
@@ -256,6 +290,10 @@ private void incorporateLine(CharSequence ln) {
         if (!startedNewBlock && !isBlank() &&
                 getActiveBlockParser().canHaveLazyContinuationLines()) {
             // lazy paragraph continuation
+            // TODO
+            for (BlockParser parser : activeBlockParsers.subList(1, activeBlockParsers.size())) {
+//                parser.onLazyContinuationLine(this);
+            }
             addLine();
 
         } else {
@@ -269,7 +307,11 @@ private void incorporateLine(CharSequence ln) {
                 addLine();
             } else if (!isBlank()) {
                 // create paragraph container for line
-                addChild(new ParagraphParser());
+                // TODO:
+//                SourceSpan sourceSpan = SourceSpans.fromState(this, this.getNextNonSpaceIndex());
+//                ParagraphParser paragraphParser = new ParagraphParser(sourceSpan);
+                ParagraphParser paragraphParser = new ParagraphParser();
+                addChild(paragraphParser);
                 addLine();
             }
         }
@@ -392,6 +434,8 @@ private void finalize(BlockParser blockParser) {
         }
 
         blockParser.closeBlock();
+        // TODO
+        //blockParser.getBlock().setSourceSpans(blockParser.getSourceSpans());
     }
 
     private void addDefinitionsFrom(ParagraphParser paragraphParser) {
@@ -420,8 +464,8 @@ private void processInlines() {
     }
 
     /**
-     * Add block of type tag as a child of the tip. If the tip can't  accept children, close and finalize it and try
-     * its parent, and so on til we find a block that can accept children.
+     * Add block of type tag as a child of the tip. If the tip can't accept children, close and finalize it and try
+     * its parent, and so on until we find a block that can accept children.
      */
     private <T extends BlockParser> T addChild(T blockParser) {
         while (!getActiveBlockParser().canContain(blockParser.getBlock())) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/SourceSpans.java b/commonmark/src/main/java/org/commonmark/internal/SourceSpans.java
new file mode 100644
index 000000000..bf8715be8
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/SourceSpans.java
@@ -0,0 +1,13 @@
+package org.commonmark.internal;
+
+import org.commonmark.node.SourceSpan;
+import org.commonmark.parser.block.ParserState;
+
+public class SourceSpans {
+
+    public static SourceSpan fromState(ParserState parserState, int startIndex) {
+//        int length = parserState.getLine().length();
+//        return SourceSpan.of(parserState.getLineIndex(), startIndex, length - startIndex);
+        return null;
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/node/Node.java b/commonmark/src/main/java/org/commonmark/node/Node.java
index e7b24c08c..7a742ea85 100644
--- a/commonmark/src/main/java/org/commonmark/node/Node.java
+++ b/commonmark/src/main/java/org/commonmark/node/Node.java
@@ -1,5 +1,9 @@
 package org.commonmark.node;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
 public abstract class Node {
 
     private Node parent = null;
@@ -7,6 +11,7 @@ public abstract class Node {
     private Node lastChild = null;
     private Node prev = null;
     private Node next = null;
+    private List<SourceSpan> sourceSpans = new ArrayList<>();
 
     public abstract void accept(Visitor visitor);
 
@@ -30,6 +35,14 @@ public Node getParent() {
         return parent;
     }
 
+    public List<SourceSpan> getSourceSpans() {
+        return Collections.unmodifiableList(sourceSpans);
+    }
+
+    public void setSourceSpans(List<SourceSpan> sourceSpans) {
+        this.sourceSpans = new ArrayList<>(sourceSpans);
+    }
+
     protected void setParent(Node parent) {
         this.parent = parent;
     }
diff --git a/commonmark/src/main/java/org/commonmark/node/SourceSpan.java b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
new file mode 100644
index 000000000..c3c49531b
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
@@ -0,0 +1,69 @@
+package org.commonmark.node;
+
+import java.util.Objects;
+
+public class SourceSpan {
+
+    private final int lineIndex;
+    private final int columnIndex;
+    private final int length;
+
+    public static SourceSpan of(int lineIndex, int columnIndex, int length) {
+        return new SourceSpan(lineIndex, columnIndex, length);
+    }
+
+    private SourceSpan(int lineIndex, int columnIndex, int length) {
+        this.lineIndex = lineIndex;
+        this.columnIndex = columnIndex;
+        this.length = length;
+    }
+
+    /**
+     * @return 0-based index of line in source
+     */
+    public int getLineIndex() {
+        return lineIndex;
+    }
+
+    /**
+     * @return 0-based index of column (character on line) in source
+     */
+    public int getColumnIndex() {
+        return columnIndex;
+    }
+
+    /**
+     * @return length of the span
+     */
+    public int getLength() {
+        return length;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        SourceSpan that = (SourceSpan) o;
+        return lineIndex == that.lineIndex &&
+                columnIndex == that.columnIndex &&
+                length == that.length;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(lineIndex, columnIndex, length);
+    }
+
+    @Override
+    public String toString() {
+        return "SourceSpan{" +
+                "lineIndex=" + lineIndex +
+                ", columnIndex=" + columnIndex +
+                ", length=" + length +
+                "}";
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java b/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
new file mode 100644
index 000000000..4cb057b36
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
@@ -0,0 +1,92 @@
+package org.commonmark.test;
+
+import org.commonmark.node.AbstractVisitor;
+import org.commonmark.node.Node;
+import org.commonmark.node.SourceSpan;
+
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+public class SourceSpanRenderer {
+
+    public static String render(Node document, String source) {
+        SourceSpanMarkersVisitor visitor = new SourceSpanMarkersVisitor();
+        document.accept(visitor);
+        Map<Integer, Map<Integer, List<String>>> markers = visitor.getMarkers();
+
+        StringBuilder sb = new StringBuilder();
+
+        String[] lines = source.split("\n");
+
+        for (int lineIndex = 0; lineIndex < lines.length; lineIndex++) {
+            String line = lines[lineIndex];
+            Map<Integer, List<String>> lineMarkers = markers.get(lineIndex);
+            for (int i = 0; i < line.length(); i++) {
+                appendMarkers(lineMarkers, i, sb);
+                sb.append(line.charAt(i));
+            }
+            appendMarkers(lineMarkers, line.length(), sb);
+            sb.append("\n");
+        }
+
+        return sb.toString();
+    }
+
+    private static void appendMarkers(Map<Integer, List<String>> lineMarkers, int columnIndex, StringBuilder sb) {
+        if (lineMarkers != null) {
+            List<String> columnMarkers = lineMarkers.get(columnIndex);
+            if (columnMarkers != null) {
+                for (String marker : columnMarkers) {
+                    sb.append(marker);
+                }
+            }
+        }
+    }
+
+    private static class SourceSpanMarkersVisitor extends AbstractVisitor {
+
+        private final Map<Integer, Map<Integer, List<String>>> markers = new HashMap<>();
+        private final String opening = "({[<⸢⸤";
+        private final String closing = ")}]>⸣⸥";
+
+        private int markerIndex;
+
+        public Map<Integer, Map<Integer, List<String>>> getMarkers() {
+            return markers;
+        }
+
+        @Override
+        protected void visitChildren(Node parent) {
+            if (!parent.getSourceSpans().isEmpty()) {
+                for (SourceSpan sourceSpan : parent.getSourceSpans()) {
+                    String opener = String.valueOf(opening.charAt(markerIndex % opening.length()));
+                    String closer = String.valueOf(closing.charAt(markerIndex % closing.length()));
+
+                    int col = sourceSpan.getColumnIndex();
+                    getMarkers(sourceSpan.getLineIndex(), col).add(opener);
+                    getMarkers(sourceSpan.getLineIndex(), col + sourceSpan.getLength()).add(0, closer);
+                }
+                markerIndex++;
+            }
+            super.visitChildren(parent);
+        }
+
+        private List<String> getMarkers(int lineIndex, int columnIndex) {
+            Map<Integer, List<String>> columnMap = markers.get(lineIndex);
+            if (columnMap == null) {
+                columnMap = new HashMap<>();
+                markers.put(lineIndex, columnMap);
+            }
+
+            List<String> markers = columnMap.get(columnIndex);
+            if (markers == null) {
+                markers = new LinkedList<>();
+                columnMap.put(columnIndex, markers);
+            }
+
+            return markers;
+        }
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
new file mode 100644
index 000000000..2264ebfaf
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -0,0 +1,178 @@
+package org.commonmark.test;
+
+import org.commonmark.node.BlockQuote;
+import org.commonmark.node.FencedCodeBlock;
+import org.commonmark.node.Heading;
+import org.commonmark.node.HtmlBlock;
+import org.commonmark.node.IndentedCodeBlock;
+import org.commonmark.node.ListBlock;
+import org.commonmark.node.ListItem;
+import org.commonmark.node.Node;
+import org.commonmark.node.Paragraph;
+import org.commonmark.node.SourceSpan;
+import org.commonmark.node.ThematicBreak;
+import org.commonmark.parser.Parser;
+import org.junit.Test;
+
+import static org.hamcrest.Matchers.contains;
+import static org.junit.Assert.*;
+
+public class SourceSpansTest {
+
+    private static final Parser PARSER = Parser.builder().build();
+
+    @Test
+    public void paragraph() {
+        assertSpans("foo\n", Paragraph.class, SourceSpan.of(0, 0, 3));
+        assertSpans("foo\nbar\n", Paragraph.class, SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3));
+        assertSpans("  foo\n  bar\n", Paragraph.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
+        assertSpans("> foo\n> bar\n", Paragraph.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
+        assertSpans("* foo\n  bar\n", Paragraph.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
+        assertSpans("* foo\nbar\n", Paragraph.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 0, 3));
+    }
+
+    @Test
+    public void thematicBreak() {
+        assertSpans("---\n", ThematicBreak.class, SourceSpan.of(0, 0, 3));
+        assertSpans("  ---\n", ThematicBreak.class, SourceSpan.of(0, 2, 3));
+        assertSpans("> ---\n", ThematicBreak.class, SourceSpan.of(0, 2, 3));
+    }
+
+    @Test
+    public void atxHeading() {
+        assertSpans("# foo", Heading.class, SourceSpan.of(0, 0, 5));
+        assertSpans(" # foo", Heading.class, SourceSpan.of(0, 1, 5));
+        assertSpans("## foo ##", Heading.class, SourceSpan.of(0, 0, 9));
+        assertSpans("> # foo", Heading.class, SourceSpan.of(0, 2, 5));
+    }
+
+    @Test
+    public void setextHeading() {
+        assertSpans("foo\n===\n", Heading.class, SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3));
+        assertSpans("foo\nbar\n====\n", Heading.class, SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 4));
+        assertSpans("  foo\n  ===\n", Heading.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
+        assertSpans("> foo\n> ===\n", Heading.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
+    }
+
+    @Test
+    public void indentedCodeBlock() {
+        assertSpans("    foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 3));
+        assertSpans("     foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 4));
+        assertSpans("\tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 1, 3));
+        assertSpans(" \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 2, 3));
+        assertSpans("  \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 3, 3));
+        assertSpans("   \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 3));
+        assertSpans("    \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 4));
+        assertSpans("    \t foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 5));
+        assertSpans("\t foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 1, 4));
+        assertSpans("\t  foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 1, 5));
+        assertSpans("    foo\n     bar\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 3), SourceSpan.of(1, 4, 4));
+        assertSpans("    foo\n\tbar\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 3), SourceSpan.of(1, 1, 3));
+        assertSpans("    foo\n    \n     \n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 3), SourceSpan.of(2, 4, 1));
+        assertSpans(">     foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 6, 3));
+    }
+
+    @Test
+    public void fencedCodeBlock() {
+        assertSpans("```\nfoo\n```\n", FencedCodeBlock.class,
+                SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
+        assertSpans("```\nfoo\nbar\n```\n", FencedCodeBlock.class,
+                SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3), SourceSpan.of(3, 0, 3));
+        assertSpans("```\nfoo\nbar\n```\n", FencedCodeBlock.class,
+                SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3), SourceSpan.of(3, 0, 3));
+        assertSpans("   ```\n   foo\n   ```\n", FencedCodeBlock.class,
+                SourceSpan.of(0, 3, 3), SourceSpan.of(1, 3, 3), SourceSpan.of(2, 3, 3));
+        assertSpans(" ```\n foo\nfoo\n```\n", FencedCodeBlock.class,
+                SourceSpan.of(0, 1, 3), SourceSpan.of(1, 1, 3), SourceSpan.of(2, 0, 3), SourceSpan.of(3, 0, 3));
+        assertSpans("```info\nfoo\n```\n", FencedCodeBlock.class,
+                SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
+        assertSpans("* ```\n  foo\n  ```\n", FencedCodeBlock.class,
+                SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3), SourceSpan.of(2, 2, 3));
+        assertSpans("> ```\n> foo\n> ```\n", FencedCodeBlock.class,
+                SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3), SourceSpan.of(2, 2, 3));
+
+        Node document = PARSER.parse("```\nfoo\n```\nbar\n");
+        Paragraph paragraph = (Paragraph) document.getLastChild();
+        assertThat(paragraph.getSourceSpans(), contains(SourceSpan.of(3, 0, 3)));
+    }
+
+    @Test
+    public void htmlBlock() {
+        assertSpans("<div>\n", HtmlBlock.class, SourceSpan.of(0, 0, 5));
+        assertSpans(" <div>\n foo\n </div>\n", HtmlBlock.class, SourceSpan.of(0, 0, 6), SourceSpan.of(1, 0, 4), SourceSpan.of(2, 0, 7));
+        assertSpans("* <div>\n", HtmlBlock.class, SourceSpan.of(0, 2, 5));
+    }
+
+    @Test
+    public void blockQuote() {
+        assertSpans(">foo\n", BlockQuote.class, SourceSpan.of(0, 0, 4));
+        assertSpans("> foo\n", BlockQuote.class, SourceSpan.of(0, 0, 5));
+        assertSpans(">  foo\n", BlockQuote.class, SourceSpan.of(0, 0, 6));
+        assertSpans(" > foo\n", BlockQuote.class, SourceSpan.of(0, 1, 5));
+        assertSpans("   > foo\n  > bar\n", BlockQuote.class, SourceSpan.of(0, 3, 5), SourceSpan.of(1, 2, 5));
+        // Lazy continuations
+        assertSpans("> foo\nbar\n", BlockQuote.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3));
+        assertSpans("> foo\nbar\n> baz\n", BlockQuote.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 5));
+        assertSpans("> > foo\nbar\n", BlockQuote.class, SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 3));
+    }
+
+    @Test
+    public void listBlock() {
+        assertSpans("* foo\n", ListBlock.class, SourceSpan.of(0, 0, 5));
+        assertSpans("* foo\n  bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 2, 3));
+        assertSpans("* foo\n* bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 5));
+        assertSpans("* foo\n  # bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 2, 5));
+        assertSpans("* foo\n  * bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 2, 5));
+        assertSpans("* foo\n> bar\n", ListBlock.class, SourceSpan.of(0, 0, 5));
+        assertSpans("> * foo\n", ListBlock.class, SourceSpan.of(0, 2, 5));
+
+        // Lazy continuations
+        assertSpans("* foo\nbar\nbaz", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
+        assertSpans("* foo\nbar\n* baz", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 5));
+        assertSpans("* foo\n  * bar\nbaz", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 2, 5), SourceSpan.of(2, 0, 3));
+
+        Node document = PARSER.parse("* foo\n  * bar\n");
+        ListBlock listBlock = (ListBlock) document.getFirstChild().getFirstChild().getLastChild();
+        assertThat(listBlock.getSourceSpans(), contains(SourceSpan.of(1, 2, 5)));
+    }
+
+    @Test
+    public void listItem() {
+        assertSpans("* foo\n", ListItem.class, SourceSpan.of(0, 0, 5));
+        assertSpans(" * foo\n", ListItem.class, SourceSpan.of(0, 1, 5));
+        assertSpans("  * foo\n", ListItem.class, SourceSpan.of(0, 2, 5));
+        assertSpans("   * foo\n", ListItem.class, SourceSpan.of(0, 3, 5));
+        assertSpans("*\n  foo\n", ListItem.class, SourceSpan.of(0, 0, 1), SourceSpan.of(1, 2, 3));
+        assertSpans("*\n  foo\n  bar\n", ListItem.class, SourceSpan.of(0, 0, 1), SourceSpan.of(1, 2, 3), SourceSpan.of(2, 2, 3));
+        assertSpans("> * foo\n", ListItem.class, SourceSpan.of(0, 2, 5));
+
+        // Lazy continuations
+        assertSpans("* foo\nbar\n", ListItem.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3));
+        assertSpans("* foo\nbar\nbaz\n", ListItem.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
+    }
+
+    @Test
+    public void visualCheck() {
+        assertEquals("(> {[* <foo>]})\n(>   {[<bar>]})\n(> {⸢* ⸤baz⸥⸣})\n",
+                visualizeSourceSpans("> * foo\n>   bar\n> * baz\n"));
+        assertEquals("(> {[* <```>]})\n(>   {[<foo>]})\n(>   {[<```>]})\n",
+                visualizeSourceSpans("> * ```\n>   foo\n>   ```"));
+    }
+
+    private String visualizeSourceSpans(String source) {
+        Node document = PARSER.parse(source);
+        return SourceSpanRenderer.render(document, source);
+    }
+
+    private static void assertSpans(String input, Class<? extends Node> nodeClass, SourceSpan... expectedSourceSpans) {
+        Node node = PARSER.parse(input);
+        while (node != null && !nodeClass.isInstance(node)) {
+            node = node.getFirstChild();
+        }
+        if (node == null) {
+            fail("Expected to find " + nodeClass + " node");
+        } else {
+            assertThat(node.getSourceSpans(), contains(expectedSourceSpans));
+        }
+    }
+}
diff --git a/pom.xml b/pom.xml
index d81dc186a..2bc6e3e40 100644
--- a/pom.xml
+++ b/pom.xml
@@ -143,6 +143,11 @@
                 <artifactId>junit</artifactId>
                 <version>4.12</version>
             </dependency>
+            <dependency>
+                <groupId>org.hamcrest</groupId>
+                <artifactId>hamcrest-library</artifactId>
+                <version>1.3</version>
+            </dependency>
             <dependency>
                 <groupId>org.openjdk.jmh</groupId>
                 <artifactId>jmh-core</artifactId>

From e7d33ae7063bc8876a874edbe1959c750d514c4b Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Sat, 15 Aug 2020 21:05:08 +1000
Subject: [PATCH 058/450] Some tests passing

The block parsers will still need to be extended so that they can
communicate where the source started, in case they return positions
after marker characters. I think we can put that into BlockStart and
BlockContinue though.
---
 .../commonmark/internal/DocumentParser.java   | 71 ++++++++++++-------
 .../main/java/org/commonmark/node/Node.java   |  3 +-
 .../org/commonmark/test/SourceSpansTest.java  |  8 ++-
 3 files changed, 53 insertions(+), 29 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index ce965f1e3..9691c94ff 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -95,7 +95,7 @@ public class DocumentParser implements ParserState {
     private final DocumentBlockParser documentBlockParser;
     private final Map<String, LinkReferenceDefinition> definitions = new LinkedHashMap<>();
 
-    private final List<BlockParser> activeBlockParsers = new ArrayList<>();
+    private final List<OpenBlockParser> openBlockParsers = new ArrayList<>();
     private final List<BlockParser> allBlockParsers = new ArrayList<>();
 
     public DocumentParser(List<BlockParserFactory> blockParserFactories, InlineParserFactory inlineParserFactory,
@@ -105,7 +105,7 @@ public DocumentParser(List<BlockParserFactory> blockParserFactories, InlineParse
         this.delimiterProcessors = delimiterProcessors;
 
         this.documentBlockParser = new DocumentBlockParser();
-        activateBlockParser(this.documentBlockParser);
+        activateBlockParser(new OpenBlockParser(documentBlockParser, 0));
     }
 
     public static Set<Class<? extends Block>> getDefaultBlockParserTypes() {
@@ -197,7 +197,7 @@ public boolean isBlank() {
 
     @Override
     public BlockParser getActiveBlockParser() {
-        return activeBlockParsers.get(activeBlockParsers.size() - 1);
+        return openBlockParsers.get(openBlockParsers.size() - 1).blockParser;
     }
 
     /**
@@ -214,15 +214,17 @@ private void incorporateLine(CharSequence ln) {
         // For each containing block, try to parse the associated line start.
         // The document will always match, so we can skip the first block parser and start at 1 matches
         int matches = 1;
-        for (int i = 1; i < activeBlockParsers.size(); i++) {
-            BlockParser blockParser = activeBlockParsers.get(i);
+        for (int i = 1; i < openBlockParsers.size(); i++) {
+            OpenBlockParser openBlockParser = openBlockParsers.get(i);
+            BlockParser blockParser = openBlockParser.blockParser;
             findNextNonSpace();
 
             BlockContinue result = blockParser.tryContinue(this);
             if (result instanceof BlockContinueImpl) {
                 BlockContinueImpl blockContinue = (BlockContinueImpl) result;
                 if (blockContinue.isFinalize()) {
-                    closeBlockParsers(activeBlockParsers.size() - i);
+                    // TODO: Source pos here?
+                    closeBlockParsers(openBlockParsers.size() - i);
                     return;
                 } else {
                     if (blockContinue.getNewIndex() != -1) {
@@ -230,6 +232,7 @@ private void incorporateLine(CharSequence ln) {
                     } else if (blockContinue.getNewColumn() != -1) {
                         setNewColumn(blockContinue.getNewColumn());
                     }
+                    openBlockParser.index = index;
                     matches++;
                 }
             } else {
@@ -237,8 +240,8 @@ private void incorporateLine(CharSequence ln) {
             }
         }
 
-        int unmatchedBlocks = activeBlockParsers.size() - matches;
-        BlockParser blockParser = activeBlockParsers.get(matches - 1);
+        int unmatchedBlocks = openBlockParsers.size() - matches;
+        BlockParser blockParser = openBlockParsers.get(matches - 1).blockParser;
         boolean startedNewBlock = false;
 
         // Unless last matched container is a code block, try new container starts,
@@ -278,7 +281,8 @@ private void incorporateLine(CharSequence ln) {
             }
 
             for (BlockParser newBlockParser : blockStart.getBlockParsers()) {
-                blockParser = addChild(newBlockParser);
+                addChild(new OpenBlockParser(newBlockParser, index));
+                blockParser = newBlockParser;
                 tryBlockStarts = newBlockParser.isContainer();
             }
         }
@@ -289,11 +293,9 @@ private void incorporateLine(CharSequence ln) {
         // First check for a lazy paragraph continuation:
         if (!startedNewBlock && !isBlank() &&
                 getActiveBlockParser().canHaveLazyContinuationLines()) {
+            openBlockParsers.get(openBlockParsers.size() - 1).index = index;
             // lazy paragraph continuation
             // TODO
-            for (BlockParser parser : activeBlockParsers.subList(1, activeBlockParsers.size())) {
-//                parser.onLazyContinuationLine(this);
-            }
             addLine();
 
         } else {
@@ -311,7 +313,7 @@ private void incorporateLine(CharSequence ln) {
 //                SourceSpan sourceSpan = SourceSpans.fromState(this, this.getNextNonSpaceIndex());
 //                ParagraphParser paragraphParser = new ParagraphParser(sourceSpan);
                 ParagraphParser paragraphParser = new ParagraphParser();
-                addChild(paragraphParser);
+                addChild(new OpenBlockParser(paragraphParser, index));
                 addLine();
             }
         }
@@ -410,6 +412,13 @@ private void addLine() {
             content = line.subSequence(index, line.length());
         }
         getActiveBlockParser().addLine(content);
+        for (OpenBlockParser openBlockParser : openBlockParsers) {
+            int blockIndex = openBlockParser.index;
+            int length = line.length() - blockIndex;
+            if (length != 0) {
+                openBlockParser.blockParser.getBlock().getSourceSpans().add(SourceSpan.of(lineIndex, blockIndex, length));
+            }
+        }
     }
 
     private BlockStartImpl findBlockStart(BlockParser blockParser) {
@@ -467,28 +476,26 @@ private void processInlines() {
      * Add block of type tag as a child of the tip. If the tip can't accept children, close and finalize it and try
      * its parent, and so on until we find a block that can accept children.
      */
-    private <T extends BlockParser> T addChild(T blockParser) {
-        while (!getActiveBlockParser().canContain(blockParser.getBlock())) {
+    private void addChild(OpenBlockParser openBlockParser) {
+        while (!getActiveBlockParser().canContain(openBlockParser.blockParser.getBlock())) {
             closeBlockParsers(1);
         }
 
-        getActiveBlockParser().getBlock().appendChild(blockParser.getBlock());
-        activateBlockParser(blockParser);
-
-        return blockParser;
+        getActiveBlockParser().getBlock().appendChild(openBlockParser.blockParser.getBlock());
+        activateBlockParser(openBlockParser);
     }
 
-    private void activateBlockParser(BlockParser blockParser) {
-        activeBlockParsers.add(blockParser);
+    private void activateBlockParser(OpenBlockParser openBlockParser) {
+        openBlockParsers.add(openBlockParser);
     }
 
-    private BlockParser deactivateBlockParser() {
-        return activeBlockParsers.remove(activeBlockParsers.size() - 1);
+    private OpenBlockParser deactivateBlockParser() {
+        return openBlockParsers.remove(openBlockParsers.size() - 1);
     }
 
     private void prepareActiveBlockParserForReplacement() {
         // Note that we don't want to parse inlines or finalize this block, as it's getting replaced.
-        BlockParser old = deactivateBlockParser();
+        BlockParser old = deactivateBlockParser().blockParser;
 
         if (old instanceof ParagraphParser) {
             ParagraphParser paragraphParser = (ParagraphParser) old;
@@ -500,18 +507,20 @@ private void prepareActiveBlockParserForReplacement() {
             addDefinitionsFrom(paragraphParser);
         }
 
+        // TODO: Copy source positions of old block
+
         old.getBlock().unlink();
     }
 
     private Document finalizeAndProcess() {
-        closeBlockParsers(activeBlockParsers.size());
+        closeBlockParsers(openBlockParsers.size());
         processInlines();
         return documentBlockParser.getBlock();
     }
 
     private void closeBlockParsers(int count) {
         for (int i = 0; i < count; i++) {
-            BlockParser blockParser = deactivateBlockParser();
+            BlockParser blockParser = deactivateBlockParser().blockParser;
             finalize(blockParser);
             // Remember for inline parsing. Note that a lot of blocks don't need inline parsing. We could have a
             // separate interface (e.g. BlockParserWithInlines) so that we only have to remember those that actually
@@ -547,4 +556,14 @@ public CharSequence getParagraphContent() {
             return null;
         }
     }
+
+    private static class OpenBlockParser {
+        private final BlockParser blockParser;
+        private int index;
+
+        OpenBlockParser(BlockParser blockParser, int index) {
+            this.blockParser = blockParser;
+            this.index = index;
+        }
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/node/Node.java b/commonmark/src/main/java/org/commonmark/node/Node.java
index 7a742ea85..462acc545 100644
--- a/commonmark/src/main/java/org/commonmark/node/Node.java
+++ b/commonmark/src/main/java/org/commonmark/node/Node.java
@@ -1,7 +1,6 @@
 package org.commonmark.node;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 public abstract class Node {
@@ -36,7 +35,7 @@ public Node getParent() {
     }
 
     public List<SourceSpan> getSourceSpans() {
-        return Collections.unmodifiableList(sourceSpans);
+        return sourceSpans;
     }
 
     public void setSourceSpans(List<SourceSpan> sourceSpans) {
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index 2264ebfaf..9e03c94da 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -14,6 +14,8 @@
 import org.commonmark.parser.Parser;
 import org.junit.Test;
 
+import java.util.Arrays;
+
 import static org.hamcrest.Matchers.contains;
 import static org.junit.Assert.*;
 
@@ -21,6 +23,10 @@ public class SourceSpansTest {
 
     private static final Parser PARSER = Parser.builder().build();
 
+    // TODO: Tests for when column is within tab
+
+    // TODO: Tests for where paragraph starts with link reference definitions
+
     @Test
     public void paragraph() {
         assertSpans("foo\n", Paragraph.class, SourceSpan.of(0, 0, 3));
@@ -172,7 +178,7 @@ private static void assertSpans(String input, Class<? extends Node> nodeClass, S
         if (node == null) {
             fail("Expected to find " + nodeClass + " node");
         } else {
-            assertThat(node.getSourceSpans(), contains(expectedSourceSpans));
+            assertEquals(Arrays.asList(expectedSourceSpans), node.getSourceSpans());
         }
     }
 }

From 149ed277b4fb8b9165cec7cca3ec0732a71b9a78 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 2 Sep 2020 22:00:42 +1000
Subject: [PATCH 059/450] Set block source spans based on the index

This means that e.g. this:

```
 paragraph starting with a space
```

Will include the starting space in the source positions. I was initially
thinking it should not be included, but that makes a lot of things
harder, for not much gain IMO.

E.g. for a code block with 5 spaces:

```
     code
```

Where should the source position start, at index 0, 4, or 5? This
implements 0. 4 is kind of hard to implement due to tabs being treated
as 4-space tabstops.
---
 .../commonmark/ext/gfm/tables/TablesTest.java |  37 ++++---
 .../commonmark/internal/DocumentParser.java   |  63 +++++++----
 .../LinkReferenceDefinitionParser.java        |  15 ++-
 .../commonmark/internal/ParagraphParser.java  |  12 +-
 .../java/org/commonmark/node/SourceSpan.java  |   4 +-
 .../parser/block/AbstractBlockParser.java     |   6 +
 .../commonmark/parser/block/BlockParser.java  |   8 ++
 .../commonmark/test/SourceSpanRenderer.java   |   9 +-
 .../org/commonmark/test/SourceSpansTest.java  | 104 +++++++++++-------
 9 files changed, 172 insertions(+), 86 deletions(-)

diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index 950926e1f..b38358d8b 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -11,13 +11,13 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Map;
 import java.util.Set;
 
 import static org.hamcrest.CoreMatchers.is;
-import static org.hamcrest.Matchers.contains;
-import static org.hamcrest.Matchers.emptyIterable;
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThat;
 
 public class TablesTest extends RenderingTestCase {
@@ -651,42 +651,43 @@ public void sourceSpans() {
         Node document = PARSER.parse("Abc|Def\n---|---\n|1|2\n 3|four|\n|||\n");
 
         TableBlock block = (TableBlock) document.getFirstChild();
-        assertThat(block.getSourceSpans(), contains(SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 7),
-                SourceSpan.of(2, 0, 4), SourceSpan.of(3, 1, 7), SourceSpan.of(4, 0, 3)));
+        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 7),
+                SourceSpan.of(2, 0, 4), SourceSpan.of(3, 0, 8), SourceSpan.of(4, 0, 3)),
+                block.getSourceSpans());
 
         TableHead head = (TableHead) block.getFirstChild();
-        assertThat(head.getSourceSpans(), contains(SourceSpan.of(0, 0, 7)));
+        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 7)), head.getSourceSpans());
 
         TableRow headRow = (TableRow) head.getFirstChild();
-        assertThat(headRow.getSourceSpans(), contains(SourceSpan.of(0, 0, 7)));
+        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 7)), headRow.getSourceSpans());
         TableCell headRowCell1 = (TableCell) headRow.getFirstChild();
         TableCell headRowCell2 = (TableCell) headRow.getLastChild();
-        assertThat(headRowCell1.getSourceSpans(), contains(SourceSpan.of(0, 0, 3)));
-        assertThat(headRowCell2.getSourceSpans(), contains(SourceSpan.of(0, 4, 3)));
+        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 3)), headRowCell1.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(0, 4, 3)), headRowCell2.getSourceSpans());
 
         TableBody body = (TableBody) block.getLastChild();
-        assertThat(body.getSourceSpans(), contains(SourceSpan.of(2, 0, 4), SourceSpan.of(3, 1, 7), SourceSpan.of(4, 0, 3)));
+        assertEquals(Arrays.asList(SourceSpan.of(2, 0, 4), SourceSpan.of(3, 1, 7), SourceSpan.of(4, 0, 3)), body.getSourceSpans());
 
         TableRow bodyRow1 = (TableRow) body.getFirstChild();
-        assertThat(bodyRow1.getSourceSpans(), contains(SourceSpan.of(2, 0, 4)));
+        assertEquals(Arrays.asList(SourceSpan.of(2, 0, 4)), bodyRow1.getSourceSpans());
         TableCell bodyRow1Cell1 = (TableCell) bodyRow1.getFirstChild();
         TableCell bodyRow1Cell2 = (TableCell) bodyRow1.getLastChild();
-        assertThat(bodyRow1Cell1.getSourceSpans(), contains(SourceSpan.of(2, 1, 1)));
-        assertThat(bodyRow1Cell2.getSourceSpans(), contains(SourceSpan.of(2, 3, 1)));
+        assertEquals(Arrays.asList(SourceSpan.of(2, 1, 1)), bodyRow1Cell1.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(2, 3, 1)), bodyRow1Cell2.getSourceSpans());
 
         TableRow bodyRow2 = (TableRow) body.getFirstChild().getNext();
-        assertThat(bodyRow2.getSourceSpans(), contains(SourceSpan.of(3, 1, 7)));
+        assertEquals(Arrays.asList(SourceSpan.of(3, 1, 7)), bodyRow2.getSourceSpans());
         TableCell bodyRow2Cell1 = (TableCell) bodyRow2.getFirstChild();
         TableCell bodyRow2Cell2 = (TableCell) bodyRow2.getLastChild();
-        assertThat(bodyRow2Cell1.getSourceSpans(), contains(SourceSpan.of(3, 1, 1)));
-        assertThat(bodyRow2Cell2.getSourceSpans(), contains(SourceSpan.of(3, 3, 4)));
+        assertEquals(Arrays.asList(SourceSpan.of(3, 1, 1)), bodyRow2Cell1.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getSourceSpans());
 
         TableRow bodyRow3 = (TableRow) body.getLastChild();
-        assertThat(bodyRow3.getSourceSpans(), contains(SourceSpan.of(4, 0, 3)));
+        assertEquals(Arrays.asList(SourceSpan.of(4, 0, 3)), bodyRow3.getSourceSpans());
         TableCell bodyRow3Cell1 = (TableCell) bodyRow3.getFirstChild();
         TableCell bodyRow3Cell2 = (TableCell) bodyRow3.getLastChild();
-        assertThat(bodyRow3Cell1.getSourceSpans(), emptyIterable());
-        assertThat(bodyRow3Cell2.getSourceSpans(), emptyIterable());
+        assertEquals(Collections.emptyList(), bodyRow3Cell1.getSourceSpans());
+        assertEquals(Collections.emptyList(), bodyRow3Cell2.getSourceSpans());
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 9691c94ff..6287d42d2 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -222,8 +222,9 @@ private void incorporateLine(CharSequence ln) {
             BlockContinue result = blockParser.tryContinue(this);
             if (result instanceof BlockContinueImpl) {
                 BlockContinueImpl blockContinue = (BlockContinueImpl) result;
+                openBlockParser.sourceIndex = getIndex();
                 if (blockContinue.isFinalize()) {
-                    // TODO: Source pos here?
+                    addSourceSpans();
                     closeBlockParsers(openBlockParsers.size() - i);
                     return;
                 } else {
@@ -232,7 +233,6 @@ private void incorporateLine(CharSequence ln) {
                     } else if (blockContinue.getNewColumn() != -1) {
                         setNewColumn(blockContinue.getNewColumn());
                     }
-                    openBlockParser.index = index;
                     matches++;
                 }
             } else {
@@ -244,10 +244,13 @@ private void incorporateLine(CharSequence ln) {
         BlockParser blockParser = openBlockParsers.get(matches - 1).blockParser;
         boolean startedNewBlock = false;
 
+        int lastIndex = index;
+
         // Unless last matched container is a code block, try new container starts,
         // adding children to the last matched container:
         boolean tryBlockStarts = blockParser.getBlock() instanceof Paragraph || blockParser.isContainer();
         while (tryBlockStarts) {
+            lastIndex = index;
             findNextNonSpace();
 
             // this is a little performance optimization:
@@ -263,6 +266,7 @@ private void incorporateLine(CharSequence ln) {
             }
 
             startedNewBlock = true;
+            int sourceIndex = getIndex();
 
             // We're starting a new block. If we have any previous blocks that need to be closed, we need to do it now.
             if (unmatchedBlocks > 0) {
@@ -276,12 +280,17 @@ private void incorporateLine(CharSequence ln) {
                 setNewColumn(blockStart.getNewColumn());
             }
 
+            List<SourceSpan> replacedSourceSpans = null;
             if (blockStart.isReplaceActiveBlockParser()) {
-                prepareActiveBlockParserForReplacement();
+                Block replacedBlock = prepareActiveBlockParserForReplacement();
+                replacedSourceSpans = replacedBlock.getSourceSpans();
             }
 
             for (BlockParser newBlockParser : blockStart.getBlockParsers()) {
-                addChild(new OpenBlockParser(newBlockParser, index));
+                addChild(new OpenBlockParser(newBlockParser, sourceIndex));
+                if (replacedSourceSpans != null) {
+                    newBlockParser.getBlock().setSourceSpans(replacedSourceSpans);
+                }
                 blockParser = newBlockParser;
                 tryBlockStarts = newBlockParser.isContainer();
             }
@@ -293,9 +302,8 @@ private void incorporateLine(CharSequence ln) {
         // First check for a lazy paragraph continuation:
         if (!startedNewBlock && !isBlank() &&
                 getActiveBlockParser().canHaveLazyContinuationLines()) {
-            openBlockParsers.get(openBlockParsers.size() - 1).index = index;
+            openBlockParsers.get(openBlockParsers.size() - 1).sourceIndex = lastIndex;
             // lazy paragraph continuation
-            // TODO
             addLine();
 
         } else {
@@ -309,12 +317,18 @@ private void incorporateLine(CharSequence ln) {
                 addLine();
             } else if (!isBlank()) {
                 // create paragraph container for line
-                // TODO:
-//                SourceSpan sourceSpan = SourceSpans.fromState(this, this.getNextNonSpaceIndex());
-//                ParagraphParser paragraphParser = new ParagraphParser(sourceSpan);
                 ParagraphParser paragraphParser = new ParagraphParser();
-                addChild(new OpenBlockParser(paragraphParser, index));
+                addChild(new OpenBlockParser(paragraphParser, lastIndex));
                 addLine();
+            } else {
+                // This can happen for a list item like this:
+                // ```
+                // *
+                // list item
+                // ```
+                //
+                // The first line does not start a paragraph yet, but we still want to record source positions.
+                addSourceSpans();
             }
         }
     }
@@ -412,11 +426,17 @@ private void addLine() {
             content = line.subSequence(index, line.length());
         }
         getActiveBlockParser().addLine(content);
-        for (OpenBlockParser openBlockParser : openBlockParsers) {
-            int blockIndex = openBlockParser.index;
+        addSourceSpans();
+    }
+
+    private void addSourceSpans() {
+        // Don't add source spans for Document itself (it would get the whole source text)
+        for (int i = 1; i < openBlockParsers.size(); i++) {
+            OpenBlockParser openBlockParser = openBlockParsers.get(i);
+            int blockIndex = openBlockParser.sourceIndex;
             int length = line.length() - blockIndex;
             if (length != 0) {
-                openBlockParser.blockParser.getBlock().getSourceSpans().add(SourceSpan.of(lineIndex, blockIndex, length));
+                openBlockParser.blockParser.addSourceSpan(SourceSpan.of(lineIndex, blockIndex, length));
             }
         }
     }
@@ -443,8 +463,6 @@ private void finalize(BlockParser blockParser) {
         }
 
         blockParser.closeBlock();
-        // TODO
-        //blockParser.getBlock().setSourceSpans(blockParser.getSourceSpans());
     }
 
     private void addDefinitionsFrom(ParagraphParser paragraphParser) {
@@ -493,8 +511,8 @@ private OpenBlockParser deactivateBlockParser() {
         return openBlockParsers.remove(openBlockParsers.size() - 1);
     }
 
-    private void prepareActiveBlockParserForReplacement() {
-        // Note that we don't want to parse inlines or finalize this block, as it's getting replaced.
+    private Block prepareActiveBlockParserForReplacement() {
+        // Note that we don't want to parse inlines, as it's getting replaced.
         BlockParser old = deactivateBlockParser().blockParser;
 
         if (old instanceof ParagraphParser) {
@@ -507,9 +525,10 @@ private void prepareActiveBlockParserForReplacement() {
             addDefinitionsFrom(paragraphParser);
         }
 
-        // TODO: Copy source positions of old block
-
+        // Do this so that source positions are calculated, which we will carry over to the replacing block.
+        old.closeBlock();
         old.getBlock().unlink();
+        return old.getBlock();
     }
 
     private Document finalizeAndProcess() {
@@ -559,11 +578,11 @@ public CharSequence getParagraphContent() {
 
     private static class OpenBlockParser {
         private final BlockParser blockParser;
-        private int index;
+        private int sourceIndex;
 
-        OpenBlockParser(BlockParser blockParser, int index) {
+        OpenBlockParser(BlockParser blockParser, int sourceIndex) {
             this.blockParser = blockParser;
-            this.index = index;
+            this.sourceIndex = sourceIndex;
         }
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index 1fe2cbea7..e0c23160e 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -4,6 +4,7 @@
 import org.commonmark.internal.util.LinkScanner;
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.LinkReferenceDefinition;
+import org.commonmark.node.SourceSpan;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -19,6 +20,7 @@ public class LinkReferenceDefinitionParser {
 
     private final StringBuilder paragraph = new StringBuilder();
     private final List<LinkReferenceDefinition> definitions = new ArrayList<>();
+    private final List<SourceSpan> sourceSpans = new ArrayList<>();
 
     private StringBuilder label;
     private String normalizedLabel;
@@ -70,10 +72,18 @@ public void parse(CharSequence line) {
         }
     }
 
+    public void addSourceSpan(SourceSpan sourceSpan) {
+        sourceSpans.add(sourceSpan);
+    }
+
     CharSequence getParagraphContent() {
         return paragraph;
     }
 
+    List<SourceSpan> getParagraphSourceSpans() {
+        return sourceSpans;
+    }
+
     List<LinkReferenceDefinition> getDefinitions() {
         finishReference();
         return definitions;
@@ -235,7 +245,10 @@ private void finishReference() {
 
         String d = Escaping.unescapeString(destination);
         String t = title != null ? Escaping.unescapeString(title.toString()) : null;
-        definitions.add(new LinkReferenceDefinition(normalizedLabel, d, t));
+        LinkReferenceDefinition definition = new LinkReferenceDefinition(normalizedLabel, d, t);
+        definition.setSourceSpans(sourceSpans);
+        sourceSpans.clear();
+        definitions.add(definition);
 
         label = null;
         referenceValid = false;
diff --git a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
index ee2899a93..09cf9fdec 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
@@ -3,6 +3,7 @@
 import org.commonmark.node.Block;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.node.Paragraph;
+import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.block.AbstractBlockParser;
 import org.commonmark.parser.block.BlockContinue;
@@ -13,7 +14,7 @@
 public class ParagraphParser extends AbstractBlockParser {
 
     private final Paragraph block = new Paragraph();
-    private LinkReferenceDefinitionParser linkReferenceDefinitionParser = new LinkReferenceDefinitionParser();
+    private final LinkReferenceDefinitionParser linkReferenceDefinitionParser = new LinkReferenceDefinitionParser();
 
     @Override
     public boolean canHaveLazyContinuationLines() {
@@ -39,10 +40,19 @@ public void addLine(CharSequence line) {
         linkReferenceDefinitionParser.parse(line);
     }
 
+    @Override
+    public void addSourceSpan(SourceSpan sourceSpan) {
+        // Some source spans might belong to link reference definitions, others to the paragraph.
+        // The parser will handle that.
+        linkReferenceDefinitionParser.addSourceSpan(sourceSpan);
+    }
+
     @Override
     public void closeBlock() {
         if (linkReferenceDefinitionParser.getParagraphContent().length() == 0) {
             block.unlink();
+        } else {
+            block.getSourceSpans().addAll(linkReferenceDefinitionParser.getParagraphSourceSpans());
         }
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/node/SourceSpan.java b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
index c3c49531b..3788f86f0 100644
--- a/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
+++ b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
@@ -61,8 +61,8 @@ public int hashCode() {
     @Override
     public String toString() {
         return "SourceSpan{" +
-                "lineIndex=" + lineIndex +
-                ", columnIndex=" + columnIndex +
+                "line=" + lineIndex +
+                ", column=" + columnIndex +
                 ", length=" + length +
                 "}";
     }
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
index f806d105c..c66873dd1 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
@@ -1,6 +1,7 @@
 package org.commonmark.parser.block;
 
 import org.commonmark.node.Block;
+import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
 
 public abstract class AbstractBlockParser implements BlockParser {
@@ -24,6 +25,11 @@ public boolean canContain(Block childBlock) {
     public void addLine(CharSequence line) {
     }
 
+    @Override
+    public void addSourceSpan(SourceSpan sourceSpan) {
+        getBlock().getSourceSpans().add(sourceSpan);
+    }
+
     @Override
     public void closeBlock() {
     }
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
index 0c903198c..ca603ac8f 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
@@ -1,6 +1,7 @@
 package org.commonmark.parser.block;
 
 import org.commonmark.node.Block;
+import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
 
 /**
@@ -34,6 +35,13 @@ public interface BlockParser {
 
     void addLine(CharSequence line);
 
+    /**
+     * Add a source span of the currently parsed block. The default implementation in {@link AbstractBlockParser} adds
+     * it to the block. Unless you have some complicated parsing where you need to check source positions, you don't
+     * need to override this.
+     */
+    void addSourceSpan(SourceSpan sourceSpan);
+
     void closeBlock();
 
     void parseInlines(InlineParser inlineParser);
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java b/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
index 4cb057b36..1b76ed5bd 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
@@ -47,9 +47,10 @@ private static void appendMarkers(Map<Integer, List<String>> lineMarkers, int co
 
     private static class SourceSpanMarkersVisitor extends AbstractVisitor {
 
+        private static final String OPENING = "({[<⸢⸤";
+        private static final String CLOSING = ")}]>⸣⸥";
+
         private final Map<Integer, Map<Integer, List<String>>> markers = new HashMap<>();
-        private final String opening = "({[<⸢⸤";
-        private final String closing = ")}]>⸣⸥";
 
         private int markerIndex;
 
@@ -61,8 +62,8 @@ public Map<Integer, Map<Integer, List<String>>> getMarkers() {
         protected void visitChildren(Node parent) {
             if (!parent.getSourceSpans().isEmpty()) {
                 for (SourceSpan sourceSpan : parent.getSourceSpans()) {
-                    String opener = String.valueOf(opening.charAt(markerIndex % opening.length()));
-                    String closer = String.valueOf(closing.charAt(markerIndex % closing.length()));
+                    String opener = String.valueOf(OPENING.charAt(markerIndex % OPENING.length()));
+                    String closer = String.valueOf(CLOSING.charAt(markerIndex % CLOSING.length()));
 
                     int col = sourceSpan.getColumnIndex();
                     getMarkers(sourceSpan.getLineIndex(), col).add(opener);
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index 9e03c94da..3e2de2be2 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -5,6 +5,7 @@
 import org.commonmark.node.Heading;
 import org.commonmark.node.HtmlBlock;
 import org.commonmark.node.IndentedCodeBlock;
+import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.node.ListBlock;
 import org.commonmark.node.ListItem;
 import org.commonmark.node.Node;
@@ -23,15 +24,11 @@ public class SourceSpansTest {
 
     private static final Parser PARSER = Parser.builder().build();
 
-    // TODO: Tests for when column is within tab
-
-    // TODO: Tests for where paragraph starts with link reference definitions
-
     @Test
     public void paragraph() {
         assertSpans("foo\n", Paragraph.class, SourceSpan.of(0, 0, 3));
         assertSpans("foo\nbar\n", Paragraph.class, SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3));
-        assertSpans("  foo\n  bar\n", Paragraph.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
+        assertSpans("  foo\n  bar\n", Paragraph.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 5));
         assertSpans("> foo\n> bar\n", Paragraph.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
         assertSpans("* foo\n  bar\n", Paragraph.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
         assertSpans("* foo\nbar\n", Paragraph.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 0, 3));
@@ -40,14 +37,14 @@ public void paragraph() {
     @Test
     public void thematicBreak() {
         assertSpans("---\n", ThematicBreak.class, SourceSpan.of(0, 0, 3));
-        assertSpans("  ---\n", ThematicBreak.class, SourceSpan.of(0, 2, 3));
+        assertSpans("  ---\n", ThematicBreak.class, SourceSpan.of(0, 0, 5));
         assertSpans("> ---\n", ThematicBreak.class, SourceSpan.of(0, 2, 3));
     }
 
     @Test
     public void atxHeading() {
         assertSpans("# foo", Heading.class, SourceSpan.of(0, 0, 5));
-        assertSpans(" # foo", Heading.class, SourceSpan.of(0, 1, 5));
+        assertSpans(" # foo", Heading.class, SourceSpan.of(0, 0, 6));
         assertSpans("## foo ##", Heading.class, SourceSpan.of(0, 0, 9));
         assertSpans("> # foo", Heading.class, SourceSpan.of(0, 2, 5));
     }
@@ -56,40 +53,42 @@ public void atxHeading() {
     public void setextHeading() {
         assertSpans("foo\n===\n", Heading.class, SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3));
         assertSpans("foo\nbar\n====\n", Heading.class, SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 4));
-        assertSpans("  foo\n  ===\n", Heading.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
+        assertSpans("  foo\n  ===\n", Heading.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 5));
         assertSpans("> foo\n> ===\n", Heading.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
     }
 
     @Test
     public void indentedCodeBlock() {
-        assertSpans("    foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 3));
-        assertSpans("     foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 4));
-        assertSpans("\tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 1, 3));
-        assertSpans(" \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 2, 3));
-        assertSpans("  \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 3, 3));
-        assertSpans("   \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 3));
-        assertSpans("    \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 4));
-        assertSpans("    \t foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 5));
-        assertSpans("\t foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 1, 4));
-        assertSpans("\t  foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 1, 5));
-        assertSpans("    foo\n     bar\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 3), SourceSpan.of(1, 4, 4));
-        assertSpans("    foo\n\tbar\n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 3), SourceSpan.of(1, 1, 3));
-        assertSpans("    foo\n    \n     \n", IndentedCodeBlock.class, SourceSpan.of(0, 4, 3), SourceSpan.of(2, 4, 1));
-        assertSpans(">     foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 6, 3));
+        assertSpans("    foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 7));
+        assertSpans("     foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 8));
+        assertSpans("\tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 4));
+        assertSpans(" \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 5));
+        assertSpans("  \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 6));
+        assertSpans("   \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 7));
+        assertSpans("    \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 8));
+        assertSpans("    \t foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 9));
+        assertSpans("\t foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 5));
+        assertSpans("\t  foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 6));
+        assertSpans("    foo\n     bar\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 8));
+        assertSpans("    foo\n\tbar\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 4));
+        assertSpans("    foo\n    \n     \n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 4), SourceSpan.of(2, 0, 5));
+        assertSpans(">     foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 2, 7));
     }
 
     @Test
     public void fencedCodeBlock() {
         assertSpans("```\nfoo\n```\n", FencedCodeBlock.class,
                 SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
+        assertSpans("```\n foo\n```\n", FencedCodeBlock.class,
+                SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 4), SourceSpan.of(2, 0, 3));
         assertSpans("```\nfoo\nbar\n```\n", FencedCodeBlock.class,
                 SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3), SourceSpan.of(3, 0, 3));
         assertSpans("```\nfoo\nbar\n```\n", FencedCodeBlock.class,
                 SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3), SourceSpan.of(3, 0, 3));
         assertSpans("   ```\n   foo\n   ```\n", FencedCodeBlock.class,
-                SourceSpan.of(0, 3, 3), SourceSpan.of(1, 3, 3), SourceSpan.of(2, 3, 3));
+                SourceSpan.of(0, 0, 6), SourceSpan.of(1, 0, 6), SourceSpan.of(2, 0, 6));
         assertSpans(" ```\n foo\nfoo\n```\n", FencedCodeBlock.class,
-                SourceSpan.of(0, 1, 3), SourceSpan.of(1, 1, 3), SourceSpan.of(2, 0, 3), SourceSpan.of(3, 0, 3));
+                SourceSpan.of(0, 0, 4), SourceSpan.of(1, 0, 4), SourceSpan.of(2, 0, 3), SourceSpan.of(3, 0, 3));
         assertSpans("```info\nfoo\n```\n", FencedCodeBlock.class,
                 SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
         assertSpans("* ```\n  foo\n  ```\n", FencedCodeBlock.class,
@@ -105,7 +104,10 @@ public void fencedCodeBlock() {
     @Test
     public void htmlBlock() {
         assertSpans("<div>\n", HtmlBlock.class, SourceSpan.of(0, 0, 5));
-        assertSpans(" <div>\n foo\n </div>\n", HtmlBlock.class, SourceSpan.of(0, 0, 6), SourceSpan.of(1, 0, 4), SourceSpan.of(2, 0, 7));
+        assertSpans(" <div>\n foo\n </div>\n", HtmlBlock.class,
+                SourceSpan.of(0, 0, 6),
+                SourceSpan.of(1, 0, 4),
+                SourceSpan.of(2, 0, 7));
         assertSpans("* <div>\n", HtmlBlock.class, SourceSpan.of(0, 2, 5));
     }
 
@@ -114,8 +116,8 @@ public void blockQuote() {
         assertSpans(">foo\n", BlockQuote.class, SourceSpan.of(0, 0, 4));
         assertSpans("> foo\n", BlockQuote.class, SourceSpan.of(0, 0, 5));
         assertSpans(">  foo\n", BlockQuote.class, SourceSpan.of(0, 0, 6));
-        assertSpans(" > foo\n", BlockQuote.class, SourceSpan.of(0, 1, 5));
-        assertSpans("   > foo\n  > bar\n", BlockQuote.class, SourceSpan.of(0, 3, 5), SourceSpan.of(1, 2, 5));
+        assertSpans(" > foo\n", BlockQuote.class, SourceSpan.of(0, 0, 6));
+        assertSpans("   > foo\n  > bar\n", BlockQuote.class, SourceSpan.of(0, 0, 8), SourceSpan.of(1, 0, 7));
         // Lazy continuations
         assertSpans("> foo\nbar\n", BlockQuote.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3));
         assertSpans("> foo\nbar\n> baz\n", BlockQuote.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 5));
@@ -125,17 +127,17 @@ public void blockQuote() {
     @Test
     public void listBlock() {
         assertSpans("* foo\n", ListBlock.class, SourceSpan.of(0, 0, 5));
-        assertSpans("* foo\n  bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 2, 3));
+        assertSpans("* foo\n  bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 5));
         assertSpans("* foo\n* bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 5));
-        assertSpans("* foo\n  # bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 2, 5));
-        assertSpans("* foo\n  * bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 2, 5));
+        assertSpans("* foo\n  # bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 7));
+        assertSpans("* foo\n  * bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 7));
         assertSpans("* foo\n> bar\n", ListBlock.class, SourceSpan.of(0, 0, 5));
         assertSpans("> * foo\n", ListBlock.class, SourceSpan.of(0, 2, 5));
 
         // Lazy continuations
         assertSpans("* foo\nbar\nbaz", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
         assertSpans("* foo\nbar\n* baz", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 5));
-        assertSpans("* foo\n  * bar\nbaz", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 2, 5), SourceSpan.of(2, 0, 3));
+        assertSpans("* foo\n  * bar\nbaz", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 7), SourceSpan.of(2, 0, 3));
 
         Node document = PARSER.parse("* foo\n  * bar\n");
         ListBlock listBlock = (ListBlock) document.getFirstChild().getFirstChild().getLastChild();
@@ -145,11 +147,11 @@ public void listBlock() {
     @Test
     public void listItem() {
         assertSpans("* foo\n", ListItem.class, SourceSpan.of(0, 0, 5));
-        assertSpans(" * foo\n", ListItem.class, SourceSpan.of(0, 1, 5));
-        assertSpans("  * foo\n", ListItem.class, SourceSpan.of(0, 2, 5));
-        assertSpans("   * foo\n", ListItem.class, SourceSpan.of(0, 3, 5));
-        assertSpans("*\n  foo\n", ListItem.class, SourceSpan.of(0, 0, 1), SourceSpan.of(1, 2, 3));
-        assertSpans("*\n  foo\n  bar\n", ListItem.class, SourceSpan.of(0, 0, 1), SourceSpan.of(1, 2, 3), SourceSpan.of(2, 2, 3));
+        assertSpans(" * foo\n", ListItem.class, SourceSpan.of(0, 0, 6));
+        assertSpans("  * foo\n", ListItem.class, SourceSpan.of(0, 0, 7));
+        assertSpans("   * foo\n", ListItem.class, SourceSpan.of(0, 0, 8));
+        assertSpans("*\n  foo\n", ListItem.class, SourceSpan.of(0, 0, 1), SourceSpan.of(1, 0, 5));
+        assertSpans("*\n  foo\n  bar\n", ListItem.class, SourceSpan.of(0, 0, 1), SourceSpan.of(1, 0, 5), SourceSpan.of(2, 0, 5));
         assertSpans("> * foo\n", ListItem.class, SourceSpan.of(0, 2, 5));
 
         // Lazy continuations
@@ -157,11 +159,37 @@ public void listItem() {
         assertSpans("* foo\nbar\nbaz\n", ListItem.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
     }
 
+    @Test
+    public void linkReferenceDefinition() {
+        // This is tricky due to how link reference definition parsing works. It is stripped from the paragraph if it's
+        // successfully parsed, otherwise it stays part of the paragraph.
+        Node document = PARSER.parse("[foo]: /url\ntext\n");
+
+        LinkReferenceDefinition linkReferenceDefinition = (LinkReferenceDefinition) document.getFirstChild();
+        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 11)), linkReferenceDefinition.getSourceSpans());
+
+        Paragraph paragraph = (Paragraph) document.getLastChild();
+        assertEquals(Arrays.asList(SourceSpan.of(1, 0, 4)), paragraph.getSourceSpans());
+    }
+
+    @Test
+    public void linkReferenceDefinitionHeading() {
+        // This is probably the trickiest because we have a link reference definition at the start of a paragraph
+        // that gets replaced because of a heading. Phew.
+        Node document = PARSER.parse("[foo]: /url\nHeading\n===\n");
+
+        LinkReferenceDefinition linkReferenceDefinition = (LinkReferenceDefinition) document.getFirstChild();
+        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 11)), linkReferenceDefinition.getSourceSpans());
+
+        Heading heading = (Heading) document.getLastChild();
+        assertEquals(Arrays.asList(SourceSpan.of(1, 0, 7), SourceSpan.of(2, 0, 3)), heading.getSourceSpans());
+    }
+
     @Test
     public void visualCheck() {
-        assertEquals("(> {[* <foo>]})\n(>   {[<bar>]})\n(> {⸢* ⸤baz⸥⸣})\n",
+        assertEquals("(> {[* <foo>]})\n(> {[  <bar>]})\n(> {⸢* ⸤baz⸥⸣})\n",
                 visualizeSourceSpans("> * foo\n>   bar\n> * baz\n"));
-        assertEquals("(> {[* <```>]})\n(>   {[<foo>]})\n(>   {[<```>]})\n",
+        assertEquals("(> {[* <```>]})\n(> {[  <foo>]})\n(> {[  <```>]})\n",
                 visualizeSourceSpans("> * ```\n>   foo\n>   ```"));
     }
 

From e86d5ab8ce966bbfc274305017dfbe1215ddce79 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 7 Sep 2020 16:20:34 +1000
Subject: [PATCH 060/450] Implement source spans for table nodes

---
 .../gfm/tables/internal/TableBlockParser.java | 112 ++++++++++++------
 .../commonmark/ext/gfm/tables/TablesTest.java |   6 +-
 2 files changed, 81 insertions(+), 37 deletions(-)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index 112764ba0..99214fcfd 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -1,26 +1,34 @@
 package org.commonmark.ext.gfm.tables.internal;
 
-import org.commonmark.ext.gfm.tables.*;
+import org.commonmark.ext.gfm.tables.TableBlock;
+import org.commonmark.ext.gfm.tables.TableBody;
+import org.commonmark.ext.gfm.tables.TableCell;
+import org.commonmark.ext.gfm.tables.TableHead;
+import org.commonmark.ext.gfm.tables.TableRow;
 import org.commonmark.node.Block;
 import org.commonmark.node.Node;
+import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
-import org.commonmark.parser.block.*;
+import org.commonmark.parser.block.AbstractBlockParser;
+import org.commonmark.parser.block.AbstractBlockParserFactory;
+import org.commonmark.parser.block.BlockContinue;
+import org.commonmark.parser.block.BlockStart;
+import org.commonmark.parser.block.MatchedBlockParser;
+import org.commonmark.parser.block.ParserState;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 public class TableBlockParser extends AbstractBlockParser {
 
     private final TableBlock block = new TableBlock();
-    private final List<CharSequence> bodyLines = new ArrayList<>();
+    private final List<CharSequence> rowLines = new ArrayList<>();
     private final List<TableCell.Alignment> columns;
-    private final List<String> headerCells;
 
-    private boolean nextIsSeparatorLine = true;
-
-    private TableBlockParser(List<TableCell.Alignment> columns, List<String> headerCells) {
+    private TableBlockParser(List<TableCell.Alignment> columns, CharSequence headerLine) {
         this.columns = columns;
-        this.headerCells = headerCells;
+        this.rowLines.add(headerLine);
     }
 
     @Override
@@ -44,37 +52,45 @@ public BlockContinue tryContinue(ParserState state) {
 
     @Override
     public void addLine(CharSequence line) {
-        if (nextIsSeparatorLine) {
-            nextIsSeparatorLine = false;
-        } else {
-            bodyLines.add(line);
-        }
+        rowLines.add(line);
     }
 
     @Override
     public void parseInlines(InlineParser inlineParser) {
-        int headerColumns = headerCells.size();
+        List<SourceSpan> sourceSpans = block.getSourceSpans();
 
+        SourceSpan headerSourceSpan = !sourceSpans.isEmpty() ? sourceSpans.get(0) : null;
         Node head = new TableHead();
+        if (headerSourceSpan != null) {
+            head.getSourceSpans().add(headerSourceSpan);
+        }
         block.appendChild(head);
 
         TableRow headerRow = new TableRow();
+        headerRow.setSourceSpans(head.getSourceSpans());
         head.appendChild(headerRow);
+
+        List<CellSource> headerCells = split(rowLines.get(0), headerSourceSpan);
+        int headerColumns = headerCells.size();
         for (int i = 0; i < headerColumns; i++) {
-            String cell = headerCells.get(i);
+            CellSource cell = headerCells.get(i);
             TableCell tableCell = parseCell(cell, i, inlineParser);
             tableCell.setHeader(true);
             headerRow.appendChild(tableCell);
         }
 
-        Node body = null;
-        for (CharSequence rowLine : bodyLines) {
-            List<String> cells = split(rowLine);
+        TableBody body = null;
+        // Body starts at index 2. 0 is header, 1 is separator.
+        for (int rowIndex = 2; rowIndex < rowLines.size(); rowIndex++) {
+            CharSequence rowLine = rowLines.get(rowIndex);
+            SourceSpan sourceSpan = sourceSpans.get(rowIndex);
+            List<CellSource> cells = split(rowLine, sourceSpan);
             TableRow row = new TableRow();
+            row.getSourceSpans().add(sourceSpan);
 
             // Body can not have more columns than head
             for (int i = 0; i < headerColumns; i++) {
-                String cell = i < cells.size() ? cells.get(i) : "";
+                CellSource cell = i < cells.size() ? cells.get(i) : new CellSource("", null);
                 TableCell tableCell = parseCell(cell, i, inlineParser);
                 row.appendChild(tableCell);
             }
@@ -85,33 +101,35 @@ public void parseInlines(InlineParser inlineParser) {
                 block.appendChild(body);
             }
             body.appendChild(row);
+            body.getSourceSpans().add(sourceSpan);
         }
     }
 
-    private TableCell parseCell(String cell, int column, InlineParser inlineParser) {
+    private TableCell parseCell(CellSource cell, int column, InlineParser inlineParser) {
         TableCell tableCell = new TableCell();
 
         if (column < columns.size()) {
             tableCell.setAlignment(columns.get(column));
         }
 
-        inlineParser.parse(cell.trim(), tableCell);
+        if (cell.sourceSpan != null) {
+            tableCell.setSourceSpans(Collections.singletonList(cell.sourceSpan));
+        }
+
+        inlineParser.parse(cell.content, tableCell);
 
         return tableCell;
     }
 
-    private static List<String> split(CharSequence input) {
-        String line = input.toString().trim();
-        if (line.startsWith("|")) {
-            line = line.substring(1);
-        }
-        List<String> cells = new ArrayList<>();
+    private static List<CellSource> split(CharSequence row, SourceSpan rowSourceSpan) {
+        int cellStart = row.charAt(0) == '|' ? 1 : 0;
+        List<CellSource> cells = new ArrayList<>();
         StringBuilder sb = new StringBuilder();
-        for (int i = 0; i < line.length(); i++) {
-            char c = line.charAt(i);
+        for (int i = cellStart; i < row.length(); i++) {
+            char c = row.charAt(i);
             switch (c) {
                 case '\\':
-                    if (i + 1 < line.length() && line.charAt(i + 1) == '|') {
+                    if (i + 1 < row.length() && row.charAt(i + 1) == '|') {
                         // Pipe is special for table parsing. An escaped pipe doesn't result in a new cell, but is
                         // passed down to inline parsing as an unescaped pipe. Note that that applies even for the `\|`
                         // in an input like `\\|` - in other words, table parsing doesn't support escaping backslashes.
@@ -123,15 +141,19 @@ private static List<String> split(CharSequence input) {
                     }
                     break;
                 case '|':
-                    cells.add(sb.toString());
+                    String content = sb.toString();
+                    cells.add(CellSource.of(content, rowSourceSpan, cellStart));
                     sb.setLength(0);
+                    // + 1 to skip the pipe itself for the next cell's span
+                    cellStart = i + 1;
                     break;
                 default:
                     sb.append(c);
             }
         }
         if (sb.length() > 0) {
-            cells.add(sb.toString());
+            String content = sb.toString();
+            cells.add(CellSource.of(content, rowSourceSpan, cellStart));
         }
         return cells;
     }
@@ -229,9 +251,9 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
                 CharSequence separatorLine = line.subSequence(state.getIndex(), line.length());
                 List<TableCell.Alignment> columns = parseSeparator(separatorLine);
                 if (columns != null && !columns.isEmpty()) {
-                    List<String> headerCells = split(paragraph);
+                    List<CellSource> headerCells = split(paragraph, null);
                     if (columns.size() >= headerCells.size()) {
-                        return BlockStart.of(new TableBlockParser(columns, headerCells))
+                        return BlockStart.of(new TableBlockParser(columns, paragraph))
                                 .atIndex(state.getIndex())
                                 .replaceActiveBlockParser();
                     }
@@ -241,4 +263,26 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
         }
     }
 
+    private static class CellSource {
+
+        private final String content;
+        private final SourceSpan sourceSpan;
+
+        public static CellSource of(String content, SourceSpan rowSourceSpan, int offset) {
+            if (!content.isEmpty()) {
+                SourceSpan sourceSpan = null;
+                if (rowSourceSpan != null) {
+                    sourceSpan = SourceSpan.of(rowSourceSpan.getLineIndex(), rowSourceSpan.getColumnIndex() + offset, content.length());
+                }
+                return new CellSource(content, sourceSpan);
+            } else {
+                return new CellSource(content, null);
+            }
+        }
+
+        private CellSource(String content, SourceSpan sourceSpan) {
+            this.content = content;
+            this.sourceSpan = sourceSpan;
+        }
+    }
 }
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index b38358d8b..4aca197b2 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -666,7 +666,7 @@ public void sourceSpans() {
         assertEquals(Arrays.asList(SourceSpan.of(0, 4, 3)), headRowCell2.getSourceSpans());
 
         TableBody body = (TableBody) block.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(2, 0, 4), SourceSpan.of(3, 1, 7), SourceSpan.of(4, 0, 3)), body.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(2, 0, 4), SourceSpan.of(3, 0, 8), SourceSpan.of(4, 0, 3)), body.getSourceSpans());
 
         TableRow bodyRow1 = (TableRow) body.getFirstChild();
         assertEquals(Arrays.asList(SourceSpan.of(2, 0, 4)), bodyRow1.getSourceSpans());
@@ -676,10 +676,10 @@ public void sourceSpans() {
         assertEquals(Arrays.asList(SourceSpan.of(2, 3, 1)), bodyRow1Cell2.getSourceSpans());
 
         TableRow bodyRow2 = (TableRow) body.getFirstChild().getNext();
-        assertEquals(Arrays.asList(SourceSpan.of(3, 1, 7)), bodyRow2.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(3, 0, 8)), bodyRow2.getSourceSpans());
         TableCell bodyRow2Cell1 = (TableCell) bodyRow2.getFirstChild();
         TableCell bodyRow2Cell2 = (TableCell) bodyRow2.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(3, 1, 1)), bodyRow2Cell1.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(3, 0, 2)), bodyRow2Cell1.getSourceSpans());
         assertEquals(Arrays.asList(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getSourceSpans());
 
         TableRow bodyRow3 = (TableRow) body.getLastChild();

From d766a568894682bc0774df6feeb745a549dd275a Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 7 Sep 2020 16:24:54 +1000
Subject: [PATCH 061/450] Return immutable collection from getSourceSpans

Just better to not accidentally modify it.
---
 .../ext/gfm/tables/internal/TableBlockParser.java          | 6 +++---
 .../main/java/org/commonmark/internal/ParagraphParser.java | 2 +-
 commonmark/src/main/java/org/commonmark/node/Node.java     | 7 ++++++-
 .../org/commonmark/parser/block/AbstractBlockParser.java   | 2 +-
 4 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index 99214fcfd..5434dc18c 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -62,7 +62,7 @@ public void parseInlines(InlineParser inlineParser) {
         SourceSpan headerSourceSpan = !sourceSpans.isEmpty() ? sourceSpans.get(0) : null;
         Node head = new TableHead();
         if (headerSourceSpan != null) {
-            head.getSourceSpans().add(headerSourceSpan);
+            head.addSourceSpan(headerSourceSpan);
         }
         block.appendChild(head);
 
@@ -86,7 +86,7 @@ public void parseInlines(InlineParser inlineParser) {
             SourceSpan sourceSpan = sourceSpans.get(rowIndex);
             List<CellSource> cells = split(rowLine, sourceSpan);
             TableRow row = new TableRow();
-            row.getSourceSpans().add(sourceSpan);
+            row.addSourceSpan(sourceSpan);
 
             // Body can not have more columns than head
             for (int i = 0; i < headerColumns; i++) {
@@ -101,7 +101,7 @@ public void parseInlines(InlineParser inlineParser) {
                 block.appendChild(body);
             }
             body.appendChild(row);
-            body.getSourceSpans().add(sourceSpan);
+            body.addSourceSpan(sourceSpan);
         }
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
index 09cf9fdec..7e28cf0fb 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
@@ -52,7 +52,7 @@ public void closeBlock() {
         if (linkReferenceDefinitionParser.getParagraphContent().length() == 0) {
             block.unlink();
         } else {
-            block.getSourceSpans().addAll(linkReferenceDefinitionParser.getParagraphSourceSpans());
+            block.setSourceSpans(linkReferenceDefinitionParser.getParagraphSourceSpans());
         }
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/node/Node.java b/commonmark/src/main/java/org/commonmark/node/Node.java
index 462acc545..6235f84ee 100644
--- a/commonmark/src/main/java/org/commonmark/node/Node.java
+++ b/commonmark/src/main/java/org/commonmark/node/Node.java
@@ -1,6 +1,7 @@
 package org.commonmark.node;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 public abstract class Node {
@@ -35,13 +36,17 @@ public Node getParent() {
     }
 
     public List<SourceSpan> getSourceSpans() {
-        return sourceSpans;
+        return Collections.unmodifiableList(sourceSpans);
     }
 
     public void setSourceSpans(List<SourceSpan> sourceSpans) {
         this.sourceSpans = new ArrayList<>(sourceSpans);
     }
 
+    public void addSourceSpan(SourceSpan sourceSpan) {
+        this.sourceSpans.add(sourceSpan);
+    }
+
     protected void setParent(Node parent) {
         this.parent = parent;
     }
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
index c66873dd1..98fddd458 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
@@ -27,7 +27,7 @@ public void addLine(CharSequence line) {
 
     @Override
     public void addSourceSpan(SourceSpan sourceSpan) {
-        getBlock().getSourceSpans().add(sourceSpan);
+        getBlock().addSourceSpan(sourceSpan);
     }
 
     @Override

From 8101aa1afd42525361629692c838c13db054d8bc Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 7 Sep 2020 20:14:36 +1000
Subject: [PATCH 062/450] Add more documentation, CHANGELOG

---
 CHANGELOG.md                                  |  8 ++++
 .../gfm/tables/internal/TableBlockParser.java |  2 +-
 .../commonmark/ext/gfm/tables/TablesTest.java |  7 ++-
 .../SourceSpanIntegrationTest.java            | 25 ++++++++++
 .../integration/SpecIntegrationTest.java      |  8 ++--
 .../commonmark/internal/DocumentParser.java   | 21 ++++----
 .../main/java/org/commonmark/node/Block.java  |  3 ++
 .../main/java/org/commonmark/node/Node.java   | 48 ++++++++++++++-----
 .../java/org/commonmark/node/Paragraph.java   |  3 ++
 .../java/org/commonmark/node/SourceSpan.java  | 21 +++++++-
 .../commonmark/parser/IncludeSourceSpans.java | 16 +++++++
 .../java/org/commonmark/parser/Parser.java    | 31 ++++++++++--
 .../org/commonmark/test/SourceSpansTest.java  |  3 +-
 13 files changed, 164 insertions(+), 32 deletions(-)
 create mode 100644 commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
 create mode 100644 commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 64e160aac..d035037dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## Unreleased
+### Added
+- Support for including source spans on block nodes:
+  - Answer for "Where in the source input (line/column position and length) does this block come from?"
+  - Useful for things like editors that want to keep the input and rendered output scrolled to the same lines,
+    or start editing on the block that was selected.
+  - Use `includeSourceSpans` on `Parser.Builder` to enable, read data with `Node.getSourceSpans`
+
 ## [0.15.2] - 2020-07-20
 ### Fixed
 - image-attributes extension: Fix unexpected altering of text in case
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index 5434dc18c..2952a8785 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -83,7 +83,7 @@ public void parseInlines(InlineParser inlineParser) {
         // Body starts at index 2. 0 is header, 1 is separator.
         for (int rowIndex = 2; rowIndex < rowLines.size(); rowIndex++) {
             CharSequence rowLine = rowLines.get(rowIndex);
-            SourceSpan sourceSpan = sourceSpans.get(rowIndex);
+            SourceSpan sourceSpan = rowIndex < sourceSpans.size() ? sourceSpans.get(rowIndex) : null;
             List<CellSource> cells = split(rowLine, sourceSpan);
             TableRow row = new TableRow();
             row.addSourceSpan(sourceSpan);
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index 4aca197b2..8af4a0ec7 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -4,6 +4,7 @@
 import org.commonmark.node.Node;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.Parser;
+import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.renderer.html.AttributeProvider;
 import org.commonmark.renderer.html.AttributeProviderContext;
 import org.commonmark.renderer.html.AttributeProviderFactory;
@@ -648,7 +649,11 @@ public void setAttributes(Node node, String tagName, Map<String, String> attribu
 
     @Test
     public void sourceSpans() {
-        Node document = PARSER.parse("Abc|Def\n---|---\n|1|2\n 3|four|\n|||\n");
+        Parser parser = Parser.builder()
+                .extensions(EXTENSIONS)
+                .includeSourceSpans(IncludeSourceSpans.BLOCKS)
+                .build();
+        Node document = parser.parse("Abc|Def\n---|---\n|1|2\n 3|four|\n|||\n");
 
         TableBlock block = (TableBlock) document.getFirstChild();
         assertEquals(Arrays.asList(SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 7),
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
new file mode 100644
index 000000000..6e51b0af5
--- /dev/null
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
@@ -0,0 +1,25 @@
+package org.commonmark.integration;
+
+import org.commonmark.parser.IncludeSourceSpans;
+import org.commonmark.parser.Parser;
+import org.commonmark.testutil.example.Example;
+
+/**
+ * Spec and all extensions, with source spans enabed.
+ */
+public class SourceSpanIntegrationTest extends SpecIntegrationTest {
+
+    protected static final Parser PARSER = Parser.builder()
+            .extensions(EXTENSIONS)
+            .includeSourceSpans(IncludeSourceSpans.BLOCKS)
+            .build();
+
+    public SourceSpanIntegrationTest(Example example) {
+        super(example);
+    }
+
+    @Override
+    protected String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+}
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
index ed2d22cde..13d5918b8 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
@@ -21,7 +21,7 @@
  */
 public class SpecIntegrationTest extends SpecTestCase {
 
-    private static final List<Extension> EXTENSIONS = Arrays.asList(
+    protected static final List<Extension> EXTENSIONS = Arrays.asList(
             AutolinkExtension.create(),
             ImageAttributesExtension.create(),
             InsExtension.create(),
@@ -29,10 +29,10 @@ public class SpecIntegrationTest extends SpecTestCase {
             TablesExtension.create(),
             TaskListItemsExtension.create(),
             YamlFrontMatterExtension.create());
-    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    protected static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     // The spec says URL-escaping is optional, but the examples assume that it's enabled.
-    private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).percentEncodeUrls(true).build();
-    private static final Map<String, String> OVERRIDDEN_EXAMPLES = getOverriddenExamples();
+    protected static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).percentEncodeUrls(true).build();
+    protected static final Map<String, String> OVERRIDDEN_EXAMPLES = getOverriddenExamples();
 
     public SpecIntegrationTest(Example example) {
         super(example);
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 6287d42d2..51791d90b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -15,6 +15,7 @@
 import org.commonmark.node.ThematicBreak;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.InlineParserFactory;
+import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.block.BlockContinue;
 import org.commonmark.parser.block.BlockParser;
 import org.commonmark.parser.block.BlockParserFactory;
@@ -92,6 +93,7 @@ public class DocumentParser implements ParserState {
     private final List<BlockParserFactory> blockParserFactories;
     private final InlineParserFactory inlineParserFactory;
     private final List<DelimiterProcessor> delimiterProcessors;
+    private final IncludeSourceSpans includeSourceSpans;
     private final DocumentBlockParser documentBlockParser;
     private final Map<String, LinkReferenceDefinition> definitions = new LinkedHashMap<>();
 
@@ -99,10 +101,11 @@ public class DocumentParser implements ParserState {
     private final List<BlockParser> allBlockParsers = new ArrayList<>();
 
     public DocumentParser(List<BlockParserFactory> blockParserFactories, InlineParserFactory inlineParserFactory,
-                          List<DelimiterProcessor> delimiterProcessors) {
+                          List<DelimiterProcessor> delimiterProcessors, IncludeSourceSpans includeSourceSpans) {
         this.blockParserFactories = blockParserFactories;
         this.inlineParserFactory = inlineParserFactory;
         this.delimiterProcessors = delimiterProcessors;
+        this.includeSourceSpans = includeSourceSpans;
 
         this.documentBlockParser = new DocumentBlockParser();
         activateBlockParser(new OpenBlockParser(documentBlockParser, 0));
@@ -430,13 +433,15 @@ private void addLine() {
     }
 
     private void addSourceSpans() {
-        // Don't add source spans for Document itself (it would get the whole source text)
-        for (int i = 1; i < openBlockParsers.size(); i++) {
-            OpenBlockParser openBlockParser = openBlockParsers.get(i);
-            int blockIndex = openBlockParser.sourceIndex;
-            int length = line.length() - blockIndex;
-            if (length != 0) {
-                openBlockParser.blockParser.addSourceSpan(SourceSpan.of(lineIndex, blockIndex, length));
+        if (includeSourceSpans != IncludeSourceSpans.NONE) {
+            // Don't add source spans for Document itself (it would get the whole source text)
+            for (int i = 1; i < openBlockParsers.size(); i++) {
+                OpenBlockParser openBlockParser = openBlockParsers.get(i);
+                int blockIndex = openBlockParser.sourceIndex;
+                int length = line.length() - blockIndex;
+                if (length != 0) {
+                    openBlockParser.blockParser.addSourceSpan(SourceSpan.of(lineIndex, blockIndex, length));
+                }
             }
         }
     }
diff --git a/commonmark/src/main/java/org/commonmark/node/Block.java b/commonmark/src/main/java/org/commonmark/node/Block.java
index e6a317d7c..753447c5c 100644
--- a/commonmark/src/main/java/org/commonmark/node/Block.java
+++ b/commonmark/src/main/java/org/commonmark/node/Block.java
@@ -1,5 +1,8 @@
 package org.commonmark.node;
 
+/**
+ * Block nodes such as paragraphs, list blocks, code blocks etc.
+ */
 public abstract class Block extends Node {
 
     public Block getParent() {
diff --git a/commonmark/src/main/java/org/commonmark/node/Node.java b/commonmark/src/main/java/org/commonmark/node/Node.java
index 6235f84ee..f8a8cace7 100644
--- a/commonmark/src/main/java/org/commonmark/node/Node.java
+++ b/commonmark/src/main/java/org/commonmark/node/Node.java
@@ -4,6 +4,11 @@
 import java.util.Collections;
 import java.util.List;
 
+/**
+ * The base class of all CommonMark AST nodes ({@link Block} and inlines).
+ * <p>
+ * A node can have multiple children, and a parent (except for the root node).
+ */
 public abstract class Node {
 
     private Node parent = null;
@@ -11,7 +16,7 @@ public abstract class Node {
     private Node lastChild = null;
     private Node prev = null;
     private Node next = null;
-    private List<SourceSpan> sourceSpans = new ArrayList<>();
+    private List<SourceSpan> sourceSpans = null;
 
     public abstract void accept(Visitor visitor);
 
@@ -35,18 +40,6 @@ public Node getParent() {
         return parent;
     }
 
-    public List<SourceSpan> getSourceSpans() {
-        return Collections.unmodifiableList(sourceSpans);
-    }
-
-    public void setSourceSpans(List<SourceSpan> sourceSpans) {
-        this.sourceSpans = new ArrayList<>(sourceSpans);
-    }
-
-    public void addSourceSpan(SourceSpan sourceSpan) {
-        this.sourceSpans.add(sourceSpan);
-    }
-
     protected void setParent(Node parent) {
         this.parent = parent;
     }
@@ -121,6 +114,35 @@ public void insertBefore(Node sibling) {
         }
     }
 
+
+    /**
+     * @return the source spans of this node if included by the parser, an empty list otherwise
+     */
+    public List<SourceSpan> getSourceSpans() {
+        return sourceSpans != null ? Collections.unmodifiableList(sourceSpans) : Collections.<SourceSpan>emptyList();
+    }
+
+    /**
+     * Replace the current source spans with the provided list.
+     *
+     * @param sourceSpans the new source spans to set
+     */
+    public void setSourceSpans(List<SourceSpan> sourceSpans) {
+        this.sourceSpans = new ArrayList<>(sourceSpans);
+    }
+
+    /**
+     * Add a source span to the end of the list.
+     *
+     * @param sourceSpan the source span to add
+     */
+    public void addSourceSpan(SourceSpan sourceSpan) {
+        if (sourceSpans == null) {
+            this.sourceSpans = new ArrayList<>();
+        }
+        this.sourceSpans.add(sourceSpan);
+    }
+
     @Override
     public String toString() {
         return getClass().getSimpleName() + "{" + toStringAttributes() + "}";
diff --git a/commonmark/src/main/java/org/commonmark/node/Paragraph.java b/commonmark/src/main/java/org/commonmark/node/Paragraph.java
index 0c3f88f39..176eaaa76 100644
--- a/commonmark/src/main/java/org/commonmark/node/Paragraph.java
+++ b/commonmark/src/main/java/org/commonmark/node/Paragraph.java
@@ -1,5 +1,8 @@
 package org.commonmark.node;
 
+/**
+ * A paragraph block, contains inline nodes such as {@link Text}
+ */
 public class Paragraph extends Block {
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/node/SourceSpan.java b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
index 3788f86f0..a643bd4dc 100644
--- a/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
+++ b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
@@ -2,6 +2,25 @@
 
 import java.util.Objects;
 
+/**
+ * A source span references a snippet of text from the source input.
+ * <p>
+ * It has a starting position (line and column index) and a length of how many characters it spans.
+ * <p>
+ * For example, this CommonMark source text:
+ * <pre><code>
+ * > foo
+ * </code></pre>
+ * The {@link BlockQuote} node would have this source span: line 0, column 0, length 5.
+ * <p>
+ * The {@link Paragraph} node inside it would have: line 0, column 2, length 3.
+ * <p>
+ * If a block has multiple lines, it will have a source span for each line.
+ * <p>
+ * Note that the column index and length are measured in Java characters (UTF-16 code units). If you're outputting them
+ * to be consumed by another programming language, e.g. one that uses UTF-8 strings, you will need to translate them,
+ * otherwise characters such as emojis will result in incorrect positions.
+ */
 public class SourceSpan {
 
     private final int lineIndex;
@@ -33,7 +52,7 @@ public int getColumnIndex() {
     }
 
     /**
-     * @return length of the span
+     * @return length of the span in characters
      */
     public int getLength() {
         return length;
diff --git a/commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java b/commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java
new file mode 100644
index 000000000..d6fc459eb
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java
@@ -0,0 +1,16 @@
+package org.commonmark.parser;
+
+/**
+ * Whether to include {@link org.commonmark.node.SourceSpan} or not while parsing,
+ * see {@link Parser.Builder#includeSourceSpans(IncludeSourceSpans)}.
+ */
+public enum IncludeSourceSpans {
+    /**
+     * Do not include source spans.
+     */
+    NONE,
+    /**
+     * Include source spans on {@link org.commonmark.node.Block} nodes.
+     */
+    BLOCKS,
+}
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 5e15158ad..a4d5c8531 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -4,7 +4,16 @@
 import org.commonmark.internal.DocumentParser;
 import org.commonmark.internal.InlineParserContextImpl;
 import org.commonmark.internal.InlineParserImpl;
-import org.commonmark.node.*;
+import org.commonmark.node.Block;
+import org.commonmark.node.BlockQuote;
+import org.commonmark.node.FencedCodeBlock;
+import org.commonmark.node.Heading;
+import org.commonmark.node.HtmlBlock;
+import org.commonmark.node.IndentedCodeBlock;
+import org.commonmark.node.LinkReferenceDefinition;
+import org.commonmark.node.ListBlock;
+import org.commonmark.node.Node;
+import org.commonmark.node.ThematicBreak;
 import org.commonmark.parser.block.BlockParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
@@ -31,12 +40,14 @@ public class Parser {
     private final List<DelimiterProcessor> delimiterProcessors;
     private final InlineParserFactory inlineParserFactory;
     private final List<PostProcessor> postProcessors;
+    private final IncludeSourceSpans includeSourceSpans;
 
     private Parser(Builder builder) {
         this.blockParserFactories = DocumentParser.calculateBlockParserFactories(builder.blockParserFactories, builder.enabledBlockTypes);
         this.inlineParserFactory = builder.getInlineParserFactory();
         this.postProcessors = builder.postProcessors;
         this.delimiterProcessors = builder.delimiterProcessors;
+        this.includeSourceSpans = builder.includeSourceSpans;
 
         // Try to construct an inline parser. Invalid configuration might result in an exception, which we want to
         // detect as soon as possible.
@@ -99,7 +110,7 @@ public Node parseReader(Reader input) throws IOException {
     }
 
     private DocumentParser createDocumentParser() {
-        return new DocumentParser(blockParserFactories, inlineParserFactory, delimiterProcessors);
+        return new DocumentParser(blockParserFactories, inlineParserFactory, delimiterProcessors, includeSourceSpans);
     }
 
     private Node postProcess(Node document) {
@@ -118,6 +129,7 @@ public static class Builder {
         private final List<PostProcessor> postProcessors = new ArrayList<>();
         private Set<Class<? extends Block>> enabledBlockTypes = DocumentParser.getDefaultBlockParserTypes();
         private InlineParserFactory inlineParserFactory;
+        private IncludeSourceSpans includeSourceSpans = IncludeSourceSpans.NONE;
 
         /**
          * @return the configured {@link Parser}
@@ -167,7 +179,7 @@ public Builder extensions(Iterable<? extends Extension> extensions) {
          * </pre>
          *
          * @param enabledBlockTypes A list of block nodes the parser will parse.
-         * If this list is empty, the parser will not recognize any CommonMark core features.
+         *                          If this list is empty, the parser will not recognize any CommonMark core features.
          * @return {@code this}
          */
         public Builder enabledBlockTypes(Set<Class<? extends Block>> enabledBlockTypes) {
@@ -178,6 +190,19 @@ public Builder enabledBlockTypes(Set<Class<? extends Block>> enabledBlockTypes)
             return this;
         }
 
+        /**
+         * Whether to calculate {@link org.commonmark.node.SourceSpan} for {@link Node}.
+         * <p>
+         * By default, source spans are disabled.
+         *
+         * @param includeSourceSpans which kind of source spans should be included
+         * @return {@code this}
+         */
+        public Builder includeSourceSpans(IncludeSourceSpans includeSourceSpans) {
+            this.includeSourceSpans = includeSourceSpans;
+            return this;
+        }
+
         /**
          * Adds a custom block parser factory.
          * <p>
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index 3e2de2be2..f6796c925 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -13,6 +13,7 @@
 import org.commonmark.node.SourceSpan;
 import org.commonmark.node.ThematicBreak;
 import org.commonmark.parser.Parser;
+import org.commonmark.parser.IncludeSourceSpans;
 import org.junit.Test;
 
 import java.util.Arrays;
@@ -22,7 +23,7 @@
 
 public class SourceSpansTest {
 
-    private static final Parser PARSER = Parser.builder().build();
+    private static final Parser PARSER = Parser.builder().includeSourceSpans(IncludeSourceSpans.BLOCKS).build();
 
     @Test
     public void paragraph() {

From db6aa0b802fb2101105a0565dcd0af0b7f29c286 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 7 Sep 2020 21:22:52 +1000
Subject: [PATCH 063/450] Remove unnecessary dependency

---
 commonmark-test-util/pom.xml                           |  7 ++-----
 .../test/java/org/commonmark/test/SourceSpansTest.java | 10 +++++-----
 2 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 92046f159..cad82f51d 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
@@ -16,10 +17,6 @@
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.hamcrest</groupId>
-            <artifactId>hamcrest-library</artifactId>
-        </dependency>
     </dependencies>
 
     <build>
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index f6796c925..9fe1fac03 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -12,14 +12,14 @@
 import org.commonmark.node.Paragraph;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.node.ThematicBreak;
-import org.commonmark.parser.Parser;
 import org.commonmark.parser.IncludeSourceSpans;
+import org.commonmark.parser.Parser;
 import org.junit.Test;
 
 import java.util.Arrays;
 
-import static org.hamcrest.Matchers.contains;
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
 
 public class SourceSpansTest {
 
@@ -99,7 +99,7 @@ public void fencedCodeBlock() {
 
         Node document = PARSER.parse("```\nfoo\n```\nbar\n");
         Paragraph paragraph = (Paragraph) document.getLastChild();
-        assertThat(paragraph.getSourceSpans(), contains(SourceSpan.of(3, 0, 3)));
+        assertEquals(Arrays.asList(SourceSpan.of(3, 0, 3)), paragraph.getSourceSpans());
     }
 
     @Test
@@ -142,7 +142,7 @@ public void listBlock() {
 
         Node document = PARSER.parse("* foo\n  * bar\n");
         ListBlock listBlock = (ListBlock) document.getFirstChild().getFirstChild().getLastChild();
-        assertThat(listBlock.getSourceSpans(), contains(SourceSpan.of(1, 2, 5)));
+        assertEquals(Arrays.asList(SourceSpan.of(1, 2, 5)), listBlock.getSourceSpans());
     }
 
     @Test

From ccafb953f8fe8c12aa023de70178ab6a8c8e3572 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Tue, 8 Sep 2020 10:49:17 +1000
Subject: [PATCH 064/450] Remove unused dependencyManagement version

---
 pom.xml | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/pom.xml b/pom.xml
index 2bc6e3e40..d81dc186a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -143,11 +143,6 @@
                 <artifactId>junit</artifactId>
                 <version>4.12</version>
             </dependency>
-            <dependency>
-                <groupId>org.hamcrest</groupId>
-                <artifactId>hamcrest-library</artifactId>
-                <version>1.3</version>
-            </dependency>
             <dependency>
                 <groupId>org.openjdk.jmh</groupId>
                 <artifactId>jmh-core</artifactId>

From 5790505b3544c44295b283815074900cfc0af1a9 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Sat, 25 Jul 2020 21:23:16 +1000
Subject: [PATCH 065/450] Start extracting inline parsers

The end goal is to extract all current inline parsers, and then allow
customizing inline parsing via the same infrastructure (similar to the
current block parsing).

A stretch goal is to move away from the parser input having to be a
single contiguous String. This could speed up parsing and allow keeping
track of source positions (line and column indexes) for inline nodes.
---
 .../commonmark/internal/InlineParserImpl.java | 94 +++++++------------
 .../inline/BackslashInlineParser.java         | 35 +++++++
 .../internal/inline/InlineContentParser.java  | 10 ++
 .../internal/inline/InlineParserState.java    |  6 ++
 .../inline/LineBreakInlineContentParser.java  | 36 +++++++
 .../internal/inline/ParsedInline.java         | 23 +++++
 .../internal/inline/ParsedInlineImpl.java     | 21 +++++
 .../commonmark/internal/inline/Scanner.java   | 31 ++++++
 8 files changed, 195 insertions(+), 61 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index dfb50149a..f42723d57 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -1,7 +1,7 @@
 package org.commonmark.internal;
 
-import org.commonmark.internal.inline.AsteriskDelimiterProcessor;
-import org.commonmark.internal.inline.UnderscoreDelimiterProcessor;
+import org.commonmark.internal.inline.Scanner;
+import org.commonmark.internal.inline.*;
 import org.commonmark.internal.util.Escaping;
 import org.commonmark.internal.util.Html5Entities;
 import org.commonmark.internal.util.LinkScanner;
@@ -15,7 +15,7 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-public class InlineParserImpl implements InlineParser {
+public class InlineParserImpl implements InlineParser, InlineParserState {
 
     private static final String HTMLCOMMENT = "<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->";
     private static final String PROCESSINGINSTRUCTION = "[<][?].*?[?][>]";
@@ -30,8 +30,6 @@ public class InlineParserImpl implements InlineParser {
 
     private static final Pattern HTML_TAG = Pattern.compile('^' + HTMLTAG, Pattern.CASE_INSENSITIVE);
 
-    private static final Pattern ESCAPABLE = Pattern.compile('^' + Escaping.ESCAPABLE);
-
     private static final Pattern ENTITY_HERE = Pattern.compile('^' + Escaping.ENTITY, Pattern.CASE_INSENSITIVE);
 
     private static final Pattern TICKS = Pattern.compile("`+");
@@ -50,12 +48,11 @@ public class InlineParserImpl implements InlineParser {
 
     private static final Pattern WHITESPACE = Pattern.compile("\\s+");
 
-    private static final Pattern FINAL_SPACE = Pattern.compile(" *$");
-
     private final BitSet specialCharacters;
     private final BitSet delimiterCharacters;
     private final Map<Character, DelimiterProcessor> delimiterProcessors;
     private final InlineParserContext context;
+    private final Map<Character, List<InlineContentParser>> inlineParsers;
 
     private String input;
     private int index;
@@ -73,10 +70,14 @@ public class InlineParserImpl implements InlineParser {
 
     public InlineParserImpl(InlineParserContext inlineParserContext) {
         this.delimiterProcessors = calculateDelimiterProcessors(inlineParserContext.getCustomDelimiterProcessors());
-        this.delimiterCharacters = calculateDelimiterCharacters(this.delimiterProcessors.keySet());
-        this.specialCharacters = calculateSpecialCharacters(delimiterCharacters);
 
         this.context = inlineParserContext;
+        this.inlineParsers = new HashMap<>();
+        this.inlineParsers.put('\n', Collections.<InlineContentParser>singletonList(new LineBreakInlineContentParser()));
+        this.inlineParsers.put('\\', Collections.<InlineContentParser>singletonList(new BackslashInlineParser()));
+
+        this.delimiterCharacters = calculateDelimiterCharacters(this.delimiterProcessors.keySet());
+        this.specialCharacters = calculateSpecialCharacters(delimiterCharacters, inlineParsers.keySet());
     }
 
     public static BitSet calculateDelimiterCharacters(Set<Character> characters) {
@@ -87,10 +88,12 @@ public static BitSet calculateDelimiterCharacters(Set<Character> characters) {
         return bitSet;
     }
 
-    public static BitSet calculateSpecialCharacters(BitSet delimiterCharacters) {
+    public static BitSet calculateSpecialCharacters(BitSet delimiterCharacters, Set<Character> characters) {
         BitSet bitSet = new BitSet();
         bitSet.or(delimiterCharacters);
-        bitSet.set('\n');
+        for (Character c : characters) {
+            bitSet.set(c);
+        }
         bitSet.set('`');
         bitSet.set('[');
         bitSet.set(']');
@@ -108,6 +111,12 @@ public static Map<Character, DelimiterProcessor> calculateDelimiterProcessors(Li
         return map;
     }
 
+    // TODO: The implementation shouldn't be public
+    @Override
+    public Scanner scanner() {
+        return new Scanner(input, index);
+    }
+
     private static void addDelimiterProcessors(Iterable<DelimiterProcessor> delimiterProcessors, Map<Character, DelimiterProcessor> map) {
         for (DelimiterProcessor delimiterProcessor : delimiterProcessors) {
             char opening = delimiterProcessor.getOpeningCharacter();
@@ -190,14 +199,21 @@ private Node parseInline(Node previous) {
             return null;
         }
 
+        List<InlineContentParser> inlineParsers = this.inlineParsers.get(c);
+        if (inlineParsers != null) {
+            for (InlineContentParser inlineParser : inlineParsers) {
+                // TODO: Should we pass the whole previous node or can we make the API surface smaller?
+                ParsedInline parsedInline = inlineParser.tryParse(this, previous);
+                if (parsedInline instanceof ParsedInlineImpl) {
+                    ParsedInlineImpl parsedInlineImpl = (ParsedInlineImpl) parsedInline;
+                    index += parsedInlineImpl.getConsumed();
+                    return parsedInlineImpl.getNode();
+                }
+            }
+        }
+
         Node node;
         switch (c) {
-            case '\n':
-                node = parseNewline(previous);
-                break;
-            case '\\':
-                node = parseBackslash();
-                break;
             case '`':
                 node = parseBackticks();
                 break;
@@ -280,50 +296,6 @@ private void spnl() {
         match(SPNL);
     }
 
-    /**
-     * Parse a newline. If it was preceded by two spaces, return a hard line break; otherwise a soft line break.
-     */
-    private Node parseNewline(Node previous) {
-        index++; // assume we're at a \n
-
-        // Check previous text for trailing spaces.
-        // The "endsWith" is an optimization to avoid an RE match in the common case.
-        if (previous instanceof Text && ((Text) previous).getLiteral().endsWith(" ")) {
-            Text text = (Text) previous;
-            String literal = text.getLiteral();
-            Matcher matcher = FINAL_SPACE.matcher(literal);
-            int spaces = matcher.find() ? matcher.end() - matcher.start() : 0;
-            if (spaces > 0) {
-                text.setLiteral(literal.substring(0, literal.length() - spaces));
-            }
-            if (spaces >= 2) {
-                return new HardLineBreak();
-            } else {
-                return new SoftLineBreak();
-            }
-        } else {
-            return new SoftLineBreak();
-        }
-    }
-
-    /**
-     * Parse a backslash-escaped special character, adding either the escaped  character, a hard line break
-     * (if the backslash is followed by a newline), or a literal backslash to the block's children.
-     */
-    private Node parseBackslash() {
-        index++;
-        Node node;
-        if (peek() == '\n') {
-            node = new HardLineBreak();
-            index++;
-        } else if (index < input.length() && ESCAPABLE.matcher(input.substring(index, index + 1)).matches()) {
-            node = text(input, index, index + 1);
-            index++;
-        } else {
-            node = text("\\");
-        }
-        return node;
-    }
 
     /**
      * Attempt to parse backticks, returning either a backtick code span or a literal sequence of backticks.
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
new file mode 100644
index 000000000..bcdc669c8
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
@@ -0,0 +1,35 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.internal.util.Escaping;
+import org.commonmark.node.HardLineBreak;
+import org.commonmark.node.Node;
+import org.commonmark.node.Text;
+
+import java.util.regex.Pattern;
+
+/**
+ * Parse a backslash-escaped special character, adding either the escaped  character, a hard line break
+ * (if the backslash is followed by a newline), or a literal backslash to the block's children.
+ */
+public class BackslashInlineParser implements InlineContentParser {
+
+    private static final Pattern ESCAPABLE = Pattern.compile('^' + Escaping.ESCAPABLE);
+
+    @Override
+    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+        Scanner scanner = inlineParserState.scanner();
+        // Backslash
+        scanner.skip();
+
+        char next = scanner.peek();
+        if (next == '\n') {
+            scanner.skip();
+            return ParsedInline.of(new HardLineBreak(), scanner.consumed());
+        } else if (ESCAPABLE.matcher(String.valueOf(next)).matches()) {
+            scanner.skip();
+            return ParsedInline.of(new Text(String.valueOf(next)), scanner.consumed());
+        } else {
+            return ParsedInline.of(new Text("\\"), scanner.consumed());
+        }
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
new file mode 100644
index 000000000..76259c444
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
@@ -0,0 +1,10 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.node.Node;
+
+// TODO: I'd prefer if this was named InlineParser, but that's already public API, hmm...
+public interface InlineContentParser {
+
+    ParsedInline tryParse(InlineParserState inlineParserState, Node previous);
+
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
new file mode 100644
index 000000000..9a6ef7d19
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
@@ -0,0 +1,6 @@
+package org.commonmark.internal.inline;
+
+public interface InlineParserState {
+
+    Scanner scanner();
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java
new file mode 100644
index 000000000..1ca6ce531
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java
@@ -0,0 +1,36 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.internal.util.Parsing;
+import org.commonmark.node.HardLineBreak;
+import org.commonmark.node.Node;
+import org.commonmark.node.SoftLineBreak;
+import org.commonmark.node.Text;
+
+/**
+ * Parse a newline. If it was preceded by two spaces, return a hard line break; otherwise a soft line break.
+ */
+public class LineBreakInlineContentParser implements InlineContentParser {
+
+    @Override
+    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+        // Check previous text for trailing spaces.
+        // The "endsWith" is an optimization to avoid an RE match in the common case.
+        if (previous instanceof Text && ((Text) previous).getLiteral().endsWith(" ")) {
+            Text text = (Text) previous;
+            String literal = text.getLiteral();
+            int last = literal.length() - 1;
+            int nonSpace = Parsing.skipBackwards(' ', literal, last, 0);
+            int spaces = last - nonSpace;
+            if (spaces > 0) {
+                text.setLiteral(literal.substring(0, literal.length() - spaces));
+            }
+            if (spaces >= 2) {
+                return ParsedInline.of(new HardLineBreak(), 1);
+            } else {
+                return ParsedInline.of(new SoftLineBreak(), 1);
+            }
+        } else {
+            return ParsedInline.of(new SoftLineBreak(), 1);
+        }
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
new file mode 100644
index 000000000..d52caf096
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
@@ -0,0 +1,23 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.node.Node;
+
+public abstract class ParsedInline {
+
+    protected ParsedInline() {
+    }
+
+    public static ParsedInline none() {
+        return null;
+    }
+
+    public static ParsedInline of(Node node, int consumed) {
+        if (node == null) {
+            throw new NullPointerException("node must not be null");
+        }
+        if (consumed <= 0) {
+            throw new IllegalArgumentException("consumed must be greater than 0");
+        }
+        return new ParsedInlineImpl(node, consumed);
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
new file mode 100644
index 000000000..a22163d15
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
@@ -0,0 +1,21 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.node.Node;
+
+public class ParsedInlineImpl extends ParsedInline {
+    private final Node node;
+    private final int consumed;
+
+    public ParsedInlineImpl(Node node, int consumed) {
+        this.node = node;
+        this.consumed = consumed;
+    }
+
+    public Node getNode() {
+        return node;
+    }
+
+    public int getConsumed() {
+        return consumed;
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
new file mode 100644
index 000000000..16204a530
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -0,0 +1,31 @@
+package org.commonmark.internal.inline;
+
+public class Scanner {
+
+    private final String input;
+    private int index;
+    private int consumed = 0;
+
+    // TODO: Visibility
+    public Scanner(String input, int index) {
+        this.input = input;
+        this.index = index;
+    }
+
+    public char peek() {
+        if (index >= input.length()) {
+            return '\0';
+        } else {
+            return input.charAt(index);
+        }
+    }
+
+    public void skip() {
+        index++;
+        consumed++;
+    }
+
+    public int consumed() {
+        return consumed;
+    }
+}

From 15ed46759d6889a550ca2907757acbe6928a4ddc Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Sat, 25 Jul 2020 21:49:15 +1000
Subject: [PATCH 066/450] Backticks parser, still simple so far

---
 .../commonmark/internal/InlineParserImpl.java | 47 +------------------
 .../inline/BackslashInlineParser.java         |  6 +--
 .../inline/BackticksInlineParser.java         | 47 +++++++++++++++++++
 .../inline/LineBreakInlineContentParser.java  |  9 ++--
 .../internal/inline/ParsedInline.java         |  8 ++--
 .../internal/inline/ParsedInlineImpl.java     | 10 ++--
 .../commonmark/internal/inline/Position.java  | 14 ++++++
 .../commonmark/internal/inline/Scanner.java   | 33 +++++++++++--
 8 files changed, 110 insertions(+), 64 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/Position.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index f42723d57..2d4e732fc 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -32,10 +32,6 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
 
     private static final Pattern ENTITY_HERE = Pattern.compile('^' + Escaping.ENTITY, Pattern.CASE_INSENSITIVE);
 
-    private static final Pattern TICKS = Pattern.compile("`+");
-
-    private static final Pattern TICKS_HERE = Pattern.compile("^`+");
-
     private static final Pattern EMAIL_AUTOLINK = Pattern
             .compile("^<([a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>");
 
@@ -75,6 +71,7 @@ public InlineParserImpl(InlineParserContext inlineParserContext) {
         this.inlineParsers = new HashMap<>();
         this.inlineParsers.put('\n', Collections.<InlineContentParser>singletonList(new LineBreakInlineContentParser()));
         this.inlineParsers.put('\\', Collections.<InlineContentParser>singletonList(new BackslashInlineParser()));
+        this.inlineParsers.put('`', Collections.<InlineContentParser>singletonList(new BackticksInlineParser()));
 
         this.delimiterCharacters = calculateDelimiterCharacters(this.delimiterProcessors.keySet());
         this.specialCharacters = calculateSpecialCharacters(delimiterCharacters, inlineParsers.keySet());
@@ -94,10 +91,8 @@ public static BitSet calculateSpecialCharacters(BitSet delimiterCharacters, Set<
         for (Character c : characters) {
             bitSet.set(c);
         }
-        bitSet.set('`');
         bitSet.set('[');
         bitSet.set(']');
-        bitSet.set('\\');
         bitSet.set('!');
         bitSet.set('<');
         bitSet.set('&');
@@ -206,7 +201,7 @@ private Node parseInline(Node previous) {
                 ParsedInline parsedInline = inlineParser.tryParse(this, previous);
                 if (parsedInline instanceof ParsedInlineImpl) {
                     ParsedInlineImpl parsedInlineImpl = (ParsedInlineImpl) parsedInline;
-                    index += parsedInlineImpl.getConsumed();
+                    index = parsedInlineImpl.getPosition().getIndex();
                     return parsedInlineImpl.getNode();
                 }
             }
@@ -214,9 +209,6 @@ private Node parseInline(Node previous) {
 
         Node node;
         switch (c) {
-            case '`':
-                node = parseBackticks();
-                break;
             case '[':
                 node = parseOpenBracket();
                 break;
@@ -296,41 +288,6 @@ private void spnl() {
         match(SPNL);
     }
 
-
-    /**
-     * Attempt to parse backticks, returning either a backtick code span or a literal sequence of backticks.
-     */
-    private Node parseBackticks() {
-        String ticks = match(TICKS_HERE);
-        if (ticks == null) {
-            return null;
-        }
-        int afterOpenTicks = index;
-        String matched;
-        while ((matched = match(TICKS)) != null) {
-            if (matched.equals(ticks)) {
-                Code node = new Code();
-                String content = input.substring(afterOpenTicks, index - ticks.length());
-                content = content.replace('\n', ' ');
-
-                // spec: If the resulting string both begins and ends with a space character, but does not consist
-                // entirely of space characters, a single space character is removed from the front and back.
-                if (content.length() >= 3 &&
-                        content.charAt(0) == ' ' &&
-                        content.charAt(content.length() - 1) == ' ' &&
-                        Parsing.hasNonSpace(content)) {
-                    content = content.substring(1, content.length() - 1);
-                }
-
-                node.setLiteral(content);
-                return node;
-            }
-        }
-        // If we got here, we didn't match a closing backtick sequence.
-        index = afterOpenTicks;
-        return text(ticks);
-    }
-
     /**
      * Attempt to parse delimiters like emphasis, strong emphasis or custom delimiters.
      */
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
index bcdc669c8..2a36c329a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
@@ -24,12 +24,12 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
         char next = scanner.peek();
         if (next == '\n') {
             scanner.skip();
-            return ParsedInline.of(new HardLineBreak(), scanner.consumed());
+            return ParsedInline.of(new HardLineBreak(), scanner.position());
         } else if (ESCAPABLE.matcher(String.valueOf(next)).matches()) {
             scanner.skip();
-            return ParsedInline.of(new Text(String.valueOf(next)), scanner.consumed());
+            return ParsedInline.of(new Text(String.valueOf(next)), scanner.position());
         } else {
-            return ParsedInline.of(new Text("\\"), scanner.consumed());
+            return ParsedInline.of(new Text("\\"), scanner.position());
         }
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
new file mode 100644
index 000000000..a7b17c46f
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -0,0 +1,47 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.internal.util.Parsing;
+import org.commonmark.node.Code;
+import org.commonmark.node.Node;
+import org.commonmark.node.Text;
+
+/**
+ * Attempt to parse backticks, returning either a backtick code span or a literal sequence of backticks.
+ */
+public class BackticksInlineParser implements InlineContentParser {
+
+    @Override
+    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+        Scanner scanner = inlineParserState.scanner();
+        Position start = scanner.position();
+        int openingTicks = scanner.skip('`');
+        Position afterOpening = scanner.position();
+
+        while (scanner.find('`')) {
+            Position beforeClosing = scanner.position();
+            int count = scanner.skip('`');
+            if (count == openingTicks) {
+                Code node = new Code();
+
+                String content = scanner.textBetween(afterOpening, beforeClosing);
+                content = content.replace('\n', ' ');
+
+                // spec: If the resulting string both begins and ends with a space character, but does not consist
+                // entirely of space characters, a single space character is removed from the front and back.
+                if (content.length() >= 3 &&
+                        content.charAt(0) == ' ' &&
+                        content.charAt(content.length() - 1) == ' ' &&
+                        Parsing.hasNonSpace(content)) {
+                    content = content.substring(1, content.length() - 1);
+                }
+
+                node.setLiteral(content);
+                return ParsedInline.of(node, scanner.position());
+            }
+        }
+
+        // If we got here, we didn't find a matching closing backtick sequence.
+        String ticks = scanner.textBetween(start, afterOpening);
+        return ParsedInline.of(new Text(ticks), afterOpening);
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java
index 1ca6ce531..2ef8f2328 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java
@@ -13,6 +13,9 @@ public class LineBreakInlineContentParser implements InlineContentParser {
 
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+        Scanner scanner = inlineParserState.scanner();
+        scanner.skip();
+
         // Check previous text for trailing spaces.
         // The "endsWith" is an optimization to avoid an RE match in the common case.
         if (previous instanceof Text && ((Text) previous).getLiteral().endsWith(" ")) {
@@ -25,12 +28,12 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
                 text.setLiteral(literal.substring(0, literal.length() - spaces));
             }
             if (spaces >= 2) {
-                return ParsedInline.of(new HardLineBreak(), 1);
+                return ParsedInline.of(new HardLineBreak(), scanner.position());
             } else {
-                return ParsedInline.of(new SoftLineBreak(), 1);
+                return ParsedInline.of(new SoftLineBreak(), scanner.position());
             }
         } else {
-            return ParsedInline.of(new SoftLineBreak(), 1);
+            return ParsedInline.of(new SoftLineBreak(), scanner.position());
         }
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
index d52caf096..7e6ece88e 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
@@ -11,13 +11,13 @@ public static ParsedInline none() {
         return null;
     }
 
-    public static ParsedInline of(Node node, int consumed) {
+    public static ParsedInline of(Node node, Position position) {
         if (node == null) {
             throw new NullPointerException("node must not be null");
         }
-        if (consumed <= 0) {
-            throw new IllegalArgumentException("consumed must be greater than 0");
+        if (position == null) {
+            throw new NullPointerException("position must not be null");
         }
-        return new ParsedInlineImpl(node, consumed);
+        return new ParsedInlineImpl(node, position);
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
index a22163d15..aea325f27 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
@@ -4,18 +4,18 @@
 
 public class ParsedInlineImpl extends ParsedInline {
     private final Node node;
-    private final int consumed;
+    private final Position position;
 
-    public ParsedInlineImpl(Node node, int consumed) {
+    ParsedInlineImpl(Node node, Position position) {
         this.node = node;
-        this.consumed = consumed;
+        this.position = position;
     }
 
     public Node getNode() {
         return node;
     }
 
-    public int getConsumed() {
-        return consumed;
+    public Position getPosition() {
+        return position;
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Position.java b/commonmark/src/main/java/org/commonmark/internal/inline/Position.java
new file mode 100644
index 000000000..dff5e36df
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Position.java
@@ -0,0 +1,14 @@
+package org.commonmark.internal.inline;
+
+public class Position {
+    final int index;
+
+    Position(int index) {
+        this.index = index;
+    }
+
+    // TODO: Move packages around so that this can stay package-private
+    public int getIndex() {
+        return index;
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index 16204a530..599800845 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -1,10 +1,11 @@
 package org.commonmark.internal.inline;
 
+import org.commonmark.internal.util.Parsing;
+
 public class Scanner {
 
     private final String input;
     private int index;
-    private int consumed = 0;
 
     // TODO: Visibility
     public Scanner(String input, int index) {
@@ -22,10 +23,34 @@ public char peek() {
 
     public void skip() {
         index++;
-        consumed++;
     }
 
-    public int consumed() {
-        return consumed;
+    public int skip(char c) {
+        int count = 0;
+        while (peek() == c) {
+            count++;
+            skip();
+        }
+        return count;
+    }
+
+    public boolean find(char c) {
+        int newIndex = Parsing.find(c, input, index);
+        if (newIndex == -1) {
+            return false;
+        } else {
+            index = newIndex;
+            return true;
+        }
+    }
+
+    // Don't expose the int index, because it would be good if we could switch input to a List<String> of lines later
+    // instead of one contiguous String.
+    public Position position() {
+        return new Position(index);
+    }
+
+    public String textBetween(Position begin, Position end) {
+        return input.substring(begin.index, end.index);
     }
 }

From 3b90833d866981fbb0ce342a7cbca6da0841fb4d Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Sun, 26 Jul 2020 17:34:58 +1000
Subject: [PATCH 067/450] Autolink parser

---
 .../commonmark/internal/InlineParserImpl.java | 32 +--------------
 .../internal/inline/AutolinkInlineParser.java | 40 +++++++++++++++++++
 2 files changed, 42 insertions(+), 30 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 2d4e732fc..dec9fe236 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -32,12 +32,6 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
 
     private static final Pattern ENTITY_HERE = Pattern.compile('^' + Escaping.ENTITY, Pattern.CASE_INSENSITIVE);
 
-    private static final Pattern EMAIL_AUTOLINK = Pattern
-            .compile("^<([a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>");
-
-    private static final Pattern AUTOLINK = Pattern
-            .compile("^<[a-zA-Z][a-zA-Z0-9.+-]{1,31}:[^<>\u0000-\u0020]*>");
-
     private static final Pattern SPNL = Pattern.compile("^ *(?:\n *)?");
 
     private static final Pattern UNICODE_WHITESPACE_CHAR = Pattern.compile("^[\\p{Zs}\t\r\n\f]");
@@ -72,6 +66,7 @@ public InlineParserImpl(InlineParserContext inlineParserContext) {
         this.inlineParsers.put('\n', Collections.<InlineContentParser>singletonList(new LineBreakInlineContentParser()));
         this.inlineParsers.put('\\', Collections.<InlineContentParser>singletonList(new BackslashInlineParser()));
         this.inlineParsers.put('`', Collections.<InlineContentParser>singletonList(new BackticksInlineParser()));
+        this.inlineParsers.put('<', Collections.<InlineContentParser>singletonList(new AutolinkInlineParser()));
 
         this.delimiterCharacters = calculateDelimiterCharacters(this.delimiterProcessors.keySet());
         this.specialCharacters = calculateSpecialCharacters(delimiterCharacters, inlineParsers.keySet());
@@ -219,10 +214,7 @@ private Node parseInline(Node previous) {
                 node = parseCloseBracket();
                 break;
             case '<':
-                node = parseAutolink();
-                if (node == null) {
-                    node = parseHtmlInline();
-                }
+                node = parseHtmlInline();
                 break;
             case '&':
                 node = parseEntity();
@@ -533,26 +525,6 @@ int parseLinkLabel() {
         return contentLength + 2;
     }
 
-    /**
-     * Attempt to parse an autolink (URL or email in pointy brackets).
-     */
-    private Node parseAutolink() {
-        String m;
-        if ((m = match(EMAIL_AUTOLINK)) != null) {
-            String dest = m.substring(1, m.length() - 1);
-            Link node = new Link("mailto:" + dest, null);
-            node.appendChild(new Text(dest));
-            return node;
-        } else if ((m = match(AUTOLINK)) != null) {
-            String dest = m.substring(1, m.length() - 1);
-            Link node = new Link(dest, null);
-            node.appendChild(new Text(dest));
-            return node;
-        } else {
-            return null;
-        }
-    }
-
     /**
      * Attempt to parse inline HTML.
      */
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
new file mode 100644
index 000000000..f71206fb5
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -0,0 +1,40 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.node.Link;
+import org.commonmark.node.Node;
+import org.commonmark.node.Text;
+
+import java.util.regex.Pattern;
+
+/**
+ * Attempt to parse an autolink (URL or email in pointy brackets).
+ */
+public class AutolinkInlineParser implements InlineContentParser {
+
+    private static final Pattern URI = Pattern
+            .compile("^[a-zA-Z][a-zA-Z0-9.+-]{1,31}:[^<>\u0000-\u0020]*$");
+
+    private static final Pattern EMAIL = Pattern
+            .compile("^([a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$");
+
+    @Override
+    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+        Scanner scanner = inlineParserState.scanner();
+        scanner.skip();
+        Position start = scanner.position();
+        if (scanner.find('>')) {
+            String text = scanner.textBetween(start, scanner.position());
+            scanner.skip();
+            if (URI.matcher(text).matches()) {
+                Link node = new Link(text, null);
+                node.appendChild(new Text(text));
+                return ParsedInline.of(node, scanner.position());
+            } else if (EMAIL.matcher(text).matches()) {
+                Link node = new Link("mailto:" + text, null);
+                node.appendChild(new Text(text));
+                return ParsedInline.of(node, scanner.position());
+            }
+        }
+        return ParsedInline.none();
+    }
+}

From 2b956ec96c47e6074e885235035a60b1e5d72523 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 27 Jul 2020 16:03:16 +1000
Subject: [PATCH 068/450] HTML inline parser

Most complex one yet, but I think it's nice to get rid of the regexes.
---
 .../commonmark/internal/InlineParserImpl.java |  29 +--
 .../internal/inline/AutolinkInlineParser.java |   2 +-
 .../inline/BackticksInlineParser.java         |   2 +-
 .../internal/inline/HtmlInlineParser.java     | 210 ++++++++++++++++++
 .../commonmark/internal/inline/Scanner.java   |  58 ++++-
 .../internal/util/AsciiMatcher.java           |  52 +++++
 .../commonmark/internal/util/CharMatcher.java |   6 +
 .../org/commonmark/internal/util/Parsing.java |  17 ++
 .../commonmark/test/HtmlInlineParserTest.java |  27 +++
 9 files changed, 366 insertions(+), 37 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/util/CharMatcher.java
 create mode 100644 commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index dec9fe236..65661da32 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -5,7 +5,6 @@
 import org.commonmark.internal.util.Escaping;
 import org.commonmark.internal.util.Html5Entities;
 import org.commonmark.internal.util.LinkScanner;
-import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.InlineParserContext;
@@ -17,19 +16,10 @@
 
 public class InlineParserImpl implements InlineParser, InlineParserState {
 
-    private static final String HTMLCOMMENT = "<!---->|<!--(?:-?[^>-])(?:-?[^-])*-->";
-    private static final String PROCESSINGINSTRUCTION = "[<][?].*?[?][>]";
-    private static final String DECLARATION = "<![A-Z]+\\s+[^>]*>";
-    private static final String CDATA = "<!\\[CDATA\\[[\\s\\S]*?\\]\\]>";
-    private static final String HTMLTAG = "(?:" + Parsing.OPENTAG + "|" + Parsing.CLOSETAG + "|" + HTMLCOMMENT
-            + "|" + PROCESSINGINSTRUCTION + "|" + DECLARATION + "|" + CDATA + ")";
-
     private static final String ASCII_PUNCTUATION = "!\"#\\$%&'\\(\\)\\*\\+,\\-\\./:;<=>\\?@\\[\\\\\\]\\^_`\\{\\|\\}~";
     private static final Pattern PUNCTUATION = Pattern
             .compile("^[" + ASCII_PUNCTUATION + "\\p{Pc}\\p{Pd}\\p{Pe}\\p{Pf}\\p{Pi}\\p{Po}\\p{Ps}]");
 
-    private static final Pattern HTML_TAG = Pattern.compile('^' + HTMLTAG, Pattern.CASE_INSENSITIVE);
-
     private static final Pattern ENTITY_HERE = Pattern.compile('^' + Escaping.ENTITY, Pattern.CASE_INSENSITIVE);
 
     private static final Pattern SPNL = Pattern.compile("^ *(?:\n *)?");
@@ -66,7 +56,7 @@ public InlineParserImpl(InlineParserContext inlineParserContext) {
         this.inlineParsers.put('\n', Collections.<InlineContentParser>singletonList(new LineBreakInlineContentParser()));
         this.inlineParsers.put('\\', Collections.<InlineContentParser>singletonList(new BackslashInlineParser()));
         this.inlineParsers.put('`', Collections.<InlineContentParser>singletonList(new BackticksInlineParser()));
-        this.inlineParsers.put('<', Collections.<InlineContentParser>singletonList(new AutolinkInlineParser()));
+        this.inlineParsers.put('<', Arrays.asList(new AutolinkInlineParser(), new HtmlInlineParser()));
 
         this.delimiterCharacters = calculateDelimiterCharacters(this.delimiterProcessors.keySet());
         this.specialCharacters = calculateSpecialCharacters(delimiterCharacters, inlineParsers.keySet());
@@ -213,9 +203,6 @@ private Node parseInline(Node previous) {
             case ']':
                 node = parseCloseBracket();
                 break;
-            case '<':
-                node = parseHtmlInline();
-                break;
             case '&':
                 node = parseEntity();
                 break;
@@ -525,20 +512,6 @@ int parseLinkLabel() {
         return contentLength + 2;
     }
 
-    /**
-     * Attempt to parse inline HTML.
-     */
-    private Node parseHtmlInline() {
-        String m = match(HTML_TAG);
-        if (m != null) {
-            HtmlInline node = new HtmlInline();
-            node.setLiteral(m);
-            return node;
-        } else {
-            return null;
-        }
-    }
-
     /**
      * Attempt to parse a HTML style entity.
      */
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index f71206fb5..8549a6d8d 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -22,7 +22,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
         Scanner scanner = inlineParserState.scanner();
         scanner.skip();
         Position start = scanner.position();
-        if (scanner.find('>')) {
+        if (scanner.find('>') > 0) {
             String text = scanner.textBetween(start, scanner.position());
             scanner.skip();
             if (URI.matcher(text).matches()) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index a7b17c46f..2acca095e 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -17,7 +17,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
         int openingTicks = scanner.skip('`');
         Position afterOpening = scanner.position();
 
-        while (scanner.find('`')) {
+        while (scanner.find('`') > 0) {
             Position beforeClosing = scanner.position();
             int count = scanner.skip('`');
             if (count == openingTicks) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
new file mode 100644
index 000000000..cff7184ab
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -0,0 +1,210 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.internal.util.AsciiMatcher;
+import org.commonmark.node.HtmlInline;
+import org.commonmark.node.Node;
+
+/**
+ * Attempt to parse inline HTML.
+ */
+public class HtmlInlineParser implements InlineContentParser {
+
+    private static final AsciiMatcher asciiLetter = AsciiMatcher.builder().range('A', 'Z').range('a', 'z').build();
+
+    // spec: A tag name consists of an ASCII letter followed by zero or more ASCII letters, digits, or hyphens (-).
+    private static final AsciiMatcher tagNameStart = asciiLetter;
+    private static final AsciiMatcher tagNameContinue = tagNameStart.newBuilder().range('0', '9').c('-').build();
+
+    // spec: An attribute name consists of an ASCII letter, _, or :, followed by zero or more ASCII letters, digits,
+    // _, ., :, or -. (Note: This is the XML specification restricted to ASCII. HTML5 is laxer.)
+    private static final AsciiMatcher attributeStart = asciiLetter.newBuilder().c('_').c(':').build();
+    private static final AsciiMatcher attributeContinue = attributeStart.newBuilder().range('0', '9').c('.').c('-').build();
+    // spec: An unquoted attribute value is a nonempty string of characters not including whitespace, ", ', =, <, >, or `.
+    private static final AsciiMatcher attributeValueEnd = AsciiMatcher.builder()
+            .c(' ').c('\t').c('\n').c('\u000B').c('\f').c('\r')
+            .c('"').c('\'').c('=').c('<').c('>').c('`')
+            .build();
+
+    private static final AsciiMatcher declaration = AsciiMatcher.builder().range('A', 'Z').build();
+
+    @Override
+    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+        Scanner scanner = inlineParserState.scanner();
+        Position start = scanner.position();
+        // Skip over `<`
+        scanner.skip();
+
+        char c = scanner.peek();
+        if (tagNameStart.matches(c)) {
+            if (tryOpenTag(scanner)) {
+                return htmlInline(start, scanner);
+            }
+        } else if (c == '/') {
+            if (tryClosingTag(scanner)) {
+                return htmlInline(start, scanner);
+            }
+        } else if (c == '?') {
+            if (tryProcessingInstruction(scanner)) {
+                return htmlInline(start, scanner);
+            }
+        } else if (c == '!') {
+            // comment, declaration or CDATA
+            scanner.skip();
+            c = scanner.peek();
+            if (c == '-') {
+                if (tryComment(scanner)) {
+                    return htmlInline(start, scanner);
+                }
+            } else if (c == '[') {
+                if (tryCdata(scanner)) {
+                    return htmlInline(start, scanner);
+                }
+            } else if (declaration.matches(c)) {
+                if (tryDeclaration(scanner)) {
+                    return htmlInline(start, scanner);
+                }
+            }
+        }
+
+        return ParsedInline.none();
+    }
+
+    private static ParsedInline htmlInline(Position start, Scanner scanner) {
+        HtmlInline node = new HtmlInline();
+        node.setLiteral(scanner.textBetween(start, scanner.position()));
+        return ParsedInline.of(node, scanner.position());
+    }
+
+    private static boolean tryOpenTag(Scanner scanner) {
+        // spec: An open tag consists of a < character, a tag name, zero or more attributes, optional whitespace,
+        // an optional / character, and a > character.
+        scanner.skip();
+        scanner.skip(tagNameContinue);
+        boolean whitespace = scanner.skipWhitespace() >= 1;
+        // spec: An attribute consists of whitespace, an attribute name, and an optional attribute value specification.
+        while (whitespace && scanner.skip(attributeStart) >= 1) {
+            scanner.skip(attributeContinue);
+            // spec: An attribute value specification consists of optional whitespace, a = character,
+            // optional whitespace, and an attribute value.
+            whitespace = scanner.skipWhitespace() >= 1;
+            if (scanner.skipOne('=')) {
+                scanner.skipWhitespace();
+                char valueStart = scanner.peek();
+                if (valueStart == '\'') {
+                    scanner.skip();
+                    if (scanner.find('\'') < 0) {
+                        return false;
+                    }
+                    scanner.skip();
+                } else if (valueStart == '"') {
+                    scanner.skip();
+                    if (scanner.find('"') < 0) {
+                        return false;
+                    }
+                    scanner.skip();
+                } else {
+                    if (scanner.find(attributeValueEnd) <= 0) {
+                        return false;
+                    }
+                }
+
+                // Whitespace is required between attributes
+                whitespace = scanner.skipWhitespace() >= 1;
+            }
+        }
+
+        scanner.skipOne('/');
+        return scanner.skipOne('>');
+    }
+
+    private static boolean tryClosingTag(Scanner scanner) {
+        // spec: A closing tag consists of the string </, a tag name, optional whitespace, and the character >.
+        scanner.skip();
+        if (scanner.skip(tagNameStart) >= 1) {
+            scanner.skip(tagNameContinue);
+            scanner.skipWhitespace();
+            return scanner.skipOne('>');
+        }
+        return false;
+    }
+
+    private static boolean tryProcessingInstruction(Scanner scanner) {
+        // spec: A processing instruction consists of the string <?, a string of characters not including the string ?>,
+        // and the string ?>.
+        scanner.skip();
+        while (scanner.find('?') > 0) {
+            scanner.skip();
+            if (scanner.skipOne('>')) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static boolean tryComment(Scanner scanner) {
+        // spec: An HTML comment consists of <!-- + text + -->, where text does not start with > or ->, does not end
+        // with -, and does not contain --. (See the HTML5 spec.)
+
+        // Skip first `-`
+        scanner.skip();
+        if (!scanner.skipOne('-')) {
+            return false;
+        }
+
+        if (scanner.skipOne('>')) {
+            return false;
+        }
+
+        if (scanner.skipOne('-')) {
+            // Can't start with ->
+            if (scanner.skipOne('>')) {
+                return false;
+            }
+            // Empty comment
+            if (scanner.skipOne('-')) {
+                return scanner.skipOne('>');
+            }
+        }
+
+        while (scanner.find('-') >= 0) {
+            if (scanner.skipOne('-') && scanner.skipOne('-')) {
+                return scanner.skipOne('>');
+            }
+        }
+
+        return false;
+    }
+
+    private static boolean tryCdata(Scanner scanner) {
+        // spec: A CDATA section consists of the string <![CDATA[, a string of characters not including the string ]]>,
+        // and the string ]]>.
+
+        // Skip `[`
+        scanner.skip();
+
+        if (scanner.skipOne('C') && scanner.skipOne('D') && scanner.skipOne('A') && scanner.skipOne('T') && scanner.skipOne('A')
+                && scanner.skipOne('[')) {
+            while (scanner.find(']') >= 0) {
+                if (scanner.skipOne(']') && scanner.skipOne(']') && scanner.skipOne('>')) {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    private static boolean tryDeclaration(Scanner scanner) {
+        // spec: A declaration consists of the string <!, a name consisting of one or more uppercase ASCII letters,
+        // whitespace, a string of characters not including the character >, and the character >.
+        scanner.skip(declaration);
+        if (scanner.skipWhitespace() <= 0) {
+            return false;
+        }
+        if (scanner.find('>') >= 0) {
+            scanner.skip();
+            return true;
+        }
+        return false;
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index 599800845..0aee95c8e 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -1,5 +1,6 @@
 package org.commonmark.internal.inline;
 
+import org.commonmark.internal.util.CharMatcher;
 import org.commonmark.internal.util.Parsing;
 
 public class Scanner {
@@ -25,6 +26,15 @@ public void skip() {
         index++;
     }
 
+    public boolean skipOne(char c) {
+        if (peek() == c) {
+            skip();
+            return true;
+        } else {
+            return false;
+        }
+    }
+
     public int skip(char c) {
         int count = 0;
         while (peek() == c) {
@@ -34,13 +44,47 @@ public int skip(char c) {
         return count;
     }
 
-    public boolean find(char c) {
-        int newIndex = Parsing.find(c, input, index);
-        if (newIndex == -1) {
-            return false;
-        } else {
-            index = newIndex;
-            return true;
+    public int skip(CharMatcher matcher) {
+        int count = 0;
+        while (matcher.matches(peek())) {
+            count++;
+            skip();
+        }
+        return count;
+    }
+
+    public int skipWhitespace() {
+        int newIndex = Parsing.skipWhitespace(input, index, input.length());
+        int count = newIndex - index;
+        index = newIndex;
+        return count;
+    }
+
+    public int find(char c) {
+        int count = 0;
+        while (true) {
+            char cur = peek();
+            if (cur == '\0') {
+                return -1;
+            } else if (cur == c) {
+                return count;
+            }
+            count++;
+            skip();
+        }
+    }
+
+    public int find(CharMatcher matcher) {
+        int count = 0;
+        while (true) {
+            char c = peek();
+            if (c == '\0') {
+                return -1;
+            } else if (matcher.matches(c)) {
+                return count;
+            }
+            count++;
+            skip();
         }
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java b/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
new file mode 100644
index 000000000..0e7ab345e
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
@@ -0,0 +1,52 @@
+package org.commonmark.internal.util;
+
+import java.util.BitSet;
+
+public class AsciiMatcher implements CharMatcher {
+    // TODO: Check if boolean[] is faster, see BitClass in java.util.regex.Pattern
+    private final BitSet set;
+
+    private AsciiMatcher(Builder builder) {
+        this.set = builder.set;
+    }
+
+    @Override
+    public boolean matches(char c) {
+        return set.get(c);
+    }
+
+    public Builder newBuilder() {
+        return new Builder((BitSet) set.clone());
+    }
+
+    public static Builder builder() {
+        return new Builder(new BitSet());
+    }
+
+    public static class Builder {
+        private final BitSet set;
+
+        private Builder(BitSet set) {
+            this.set = set;
+        }
+
+        public Builder c(char c) {
+            if (c > 127) {
+                throw new IllegalArgumentException("Can only match ASCII characters");
+            }
+            set.set(c);
+            return this;
+        }
+
+        public Builder range(char from, char toInclusive) {
+            for (char c = from; c <= toInclusive; c++) {
+                c(c);
+            }
+            return this;
+        }
+
+        public AsciiMatcher build() {
+            return new AsciiMatcher(this);
+        }
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/CharMatcher.java b/commonmark/src/main/java/org/commonmark/internal/util/CharMatcher.java
new file mode 100644
index 000000000..de730e90d
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/util/CharMatcher.java
@@ -0,0 +1,6 @@
+package org.commonmark.internal.util;
+
+public interface CharMatcher {
+
+    boolean matches(char c);
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
index d429d9db0..6c59b7255 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
@@ -188,6 +188,23 @@ public static int skipSpaceTabBackwards(CharSequence s, int startIndex, int last
         return lastIndex - 1;
     }
 
+    public static int skipWhitespace(CharSequence s, int startIndex, int endIndex) {
+        for (int i = startIndex; i < endIndex; i++) {
+            switch (s.charAt(i)) {
+                case ' ':
+                case '\t':
+                case '\n':
+                case '\u000B':
+                case '\f':
+                case '\r':
+                    break;
+                default:
+                    return i;
+            }
+        }
+        return endIndex;
+    }
+
     private static int findNonSpace(CharSequence s, int startIndex) {
         int length = s.length();
         for (int i = startIndex; i < length; i++) {
diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java
new file mode 100644
index 000000000..0a406778b
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java
@@ -0,0 +1,27 @@
+package org.commonmark.test;
+
+import org.junit.Test;
+
+public class HtmlInlineParserTest extends CoreRenderingTestCase {
+
+    @Test
+    public void comment() {
+        assertRendering("inline <!---->", "<p>inline <!----></p>\n");
+        assertRendering("inline <!-- -> -->", "<p>inline <!-- -> --></p>\n");
+        assertRendering("inline <!--->-->", "<p>inline &lt;!---&gt;--&gt;</p>\n");
+    }
+
+    @Test
+    public void cdata() {
+        assertRendering("inline <![CDATA[]]>", "<p>inline <![CDATA[]]></p>\n");
+        assertRendering("inline <![CDATA[ ] ]] ]]>", "<p>inline <![CDATA[ ] ]] ]]></p>\n");
+    }
+
+    @Test
+    public void declaration() {
+        // Whitespace is mandatory
+        assertRendering("inline <!FOO>", "<p>inline &lt;!FOO&gt;</p>\n");
+        assertRendering("inline <!FOO >", "<p>inline <!FOO ></p>\n");
+        assertRendering("inline <!FOO 'bar'>", "<p>inline <!FOO 'bar'></p>\n");
+    }
+}

From b336bf9b2dfea1b82034b17ab3a6c05d0a7672c4 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 27 Jul 2020 16:15:08 +1000
Subject: [PATCH 069/450] Remove unnecessary usage of regex for entities

---
 .../internal/util/Html5Entities.java          | 26 ++++++++++++-------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Html5Entities.java b/commonmark/src/main/java/org/commonmark/internal/util/Html5Entities.java
index 5215a44df..523c596ed 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Html5Entities.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Html5Entities.java
@@ -5,24 +5,31 @@
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 public class Html5Entities {
 
     private static final Map<String, String> NAMED_CHARACTER_REFERENCES = readEntities();
-    private static final Pattern NUMERIC_PATTERN = Pattern.compile("^&#[Xx]?");
     private static final String ENTITY_PATH = "/org/commonmark/internal/util/entities.properties";
 
     public static String entityToString(String input) {
-        Matcher matcher = NUMERIC_PATTERN.matcher(input);
+        if (!input.startsWith("&") || !input.endsWith(";")) {
+            return input;
+        }
+
+        String value = input.substring(1, input.length() - 1);
+        if (value.startsWith("#")) {
+            value = value.substring(1);
+            int base = 10;
+            if (value.startsWith("x") || value.startsWith("X")) {
+                value = value.substring(1);
+                base = 16;
+            }
 
-        if (matcher.find()) {
-            int base = matcher.end() == 2 ? 10 : 16;
             try {
-                int codePoint = Integer.parseInt(input.substring(matcher.end(), input.length() - 1), base);
+                int codePoint = Integer.parseInt(value, base);
                 if (codePoint == 0) {
                     return "\uFFFD";
                 }
@@ -31,8 +38,7 @@ public static String entityToString(String input) {
                 return "\uFFFD";
             }
         } else {
-            String name = input.substring(1, input.length() - 1);
-            String s = NAMED_CHARACTER_REFERENCES.get(name);
+            String s = NAMED_CHARACTER_REFERENCES.get(value);
             if (s != null) {
                 return s;
             } else {
@@ -44,7 +50,7 @@ public static String entityToString(String input) {
     private static Map<String, String> readEntities() {
         Map<String, String> entities = new HashMap<>();
         InputStream stream = Html5Entities.class.getResourceAsStream(ENTITY_PATH);
-        Charset charset = Charset.forName("UTF-8");
+        Charset charset = StandardCharsets.UTF_8;
         try (BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(stream, charset))) {
             String line;
             while ((line = bufferedReader.readLine()) != null) {

From 47a59ade072199e16ec89a4b71f8585a461981f1 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 27 Jul 2020 16:32:15 +1000
Subject: [PATCH 070/450] Entity inline parser

---
 .../commonmark/internal/InlineParserImpl.java | 21 +-------
 .../internal/inline/EntityInlineParser.java   | 53 +++++++++++++++++++
 2 files changed, 54 insertions(+), 20 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 65661da32..2bc1ebf69 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -3,7 +3,6 @@
 import org.commonmark.internal.inline.Scanner;
 import org.commonmark.internal.inline.*;
 import org.commonmark.internal.util.Escaping;
-import org.commonmark.internal.util.Html5Entities;
 import org.commonmark.internal.util.LinkScanner;
 import org.commonmark.node.*;
 import org.commonmark.parser.InlineParser;
@@ -20,8 +19,6 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
     private static final Pattern PUNCTUATION = Pattern
             .compile("^[" + ASCII_PUNCTUATION + "\\p{Pc}\\p{Pd}\\p{Pe}\\p{Pf}\\p{Pi}\\p{Po}\\p{Ps}]");
 
-    private static final Pattern ENTITY_HERE = Pattern.compile('^' + Escaping.ENTITY, Pattern.CASE_INSENSITIVE);
-
     private static final Pattern SPNL = Pattern.compile("^ *(?:\n *)?");
 
     private static final Pattern UNICODE_WHITESPACE_CHAR = Pattern.compile("^[\\p{Zs}\t\r\n\f]");
@@ -56,6 +53,7 @@ public InlineParserImpl(InlineParserContext inlineParserContext) {
         this.inlineParsers.put('\n', Collections.<InlineContentParser>singletonList(new LineBreakInlineContentParser()));
         this.inlineParsers.put('\\', Collections.<InlineContentParser>singletonList(new BackslashInlineParser()));
         this.inlineParsers.put('`', Collections.<InlineContentParser>singletonList(new BackticksInlineParser()));
+        this.inlineParsers.put('&', Collections.<InlineContentParser>singletonList(new EntityInlineParser()));
         this.inlineParsers.put('<', Arrays.asList(new AutolinkInlineParser(), new HtmlInlineParser()));
 
         this.delimiterCharacters = calculateDelimiterCharacters(this.delimiterProcessors.keySet());
@@ -79,8 +77,6 @@ public static BitSet calculateSpecialCharacters(BitSet delimiterCharacters, Set<
         bitSet.set('[');
         bitSet.set(']');
         bitSet.set('!');
-        bitSet.set('<');
-        bitSet.set('&');
         return bitSet;
     }
 
@@ -203,9 +199,6 @@ private Node parseInline(Node previous) {
             case ']':
                 node = parseCloseBracket();
                 break;
-            case '&':
-                node = parseEntity();
-                break;
             default:
                 boolean isDelimiter = delimiterCharacters.get(c);
                 if (isDelimiter) {
@@ -512,18 +505,6 @@ int parseLinkLabel() {
         return contentLength + 2;
     }
 
-    /**
-     * Attempt to parse a HTML style entity.
-     */
-    private Node parseEntity() {
-        String m;
-        if ((m = match(ENTITY_HERE)) != null) {
-            return text(Html5Entities.entityToString(m));
-        } else {
-            return null;
-        }
-    }
-
     /**
      * Parse a run of ordinary characters, or a single character with a special meaning in markdown, as a plain string.
      */
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
new file mode 100644
index 000000000..aef2d7850
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
@@ -0,0 +1,53 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.internal.util.AsciiMatcher;
+import org.commonmark.internal.util.Html5Entities;
+import org.commonmark.node.Node;
+import org.commonmark.node.Text;
+
+/**
+ * Attempts to parse a HTML entity or numeric character reference.
+ */
+public class EntityInlineParser implements InlineContentParser {
+
+    private static final AsciiMatcher hex = AsciiMatcher.builder().range('0', '9').range('A', 'F').range('a', 'f').build();
+    private static final AsciiMatcher dec = AsciiMatcher.builder().range('0', '9').build();
+    private static final AsciiMatcher entityStart = AsciiMatcher.builder().range('A', 'Z').range('a', 'z').build();
+    private static final AsciiMatcher entityContinue = entityStart.newBuilder().range('0', '9').build();
+
+    @Override
+    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+        Scanner scanner = inlineParserState.scanner();
+        Position start = scanner.position();
+        // Skip `&`
+        scanner.skip();
+
+        char c = scanner.peek();
+        if (c == '#') {
+            // Numeric
+            scanner.skip();
+            if (scanner.skipOne('x') || scanner.skipOne('X')) {
+                int digits = scanner.skip(hex);
+                if (1 <= digits && digits <= 6 && scanner.skipOne(';')) {
+                    return entity(scanner, start);
+                }
+            } else {
+                int digits = scanner.skip(dec);
+                if (1 <= digits && digits <= 7 && scanner.skipOne(';')) {
+                    return entity(scanner, start);
+                }
+            }
+        } else if (entityStart.matches(c)) {
+            scanner.skip(entityContinue);
+            if (scanner.skipOne(';')) {
+                return entity(scanner, start);
+            }
+        }
+
+        return ParsedInline.none();
+    }
+
+    private ParsedInline entity(Scanner scanner, Position start) {
+        return ParsedInline.of(new Text(Html5Entities.entityToString(scanner.textBetween(start, scanner.position()))), scanner.position());
+    }
+}

From 3a6bec1bd0b3413d02804ba542cbdefe35735c28 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 27 Jul 2020 17:13:37 +1000
Subject: [PATCH 071/450] Rename methods

---
 .../internal/inline/AutolinkInlineParser.java |  4 +-
 .../inline/BackslashInlineParser.java         |  6 +-
 .../inline/BackticksInlineParser.java         |  4 +-
 .../internal/inline/EntityInlineParser.java   | 18 ++--
 .../internal/inline/HtmlInlineParser.java     | 82 +++++++++----------
 .../inline/LineBreakInlineContentParser.java  |  2 +-
 .../commonmark/internal/inline/Scanner.java   | 20 ++---
 7 files changed, 68 insertions(+), 68 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index 8549a6d8d..629ec6619 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -20,11 +20,11 @@ public class AutolinkInlineParser implements InlineContentParser {
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
         Scanner scanner = inlineParserState.scanner();
-        scanner.skip();
+        scanner.next();
         Position start = scanner.position();
         if (scanner.find('>') > 0) {
             String text = scanner.textBetween(start, scanner.position());
-            scanner.skip();
+            scanner.next();
             if (URI.matcher(text).matches()) {
                 Link node = new Link(text, null);
                 node.appendChild(new Text(text));
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
index 2a36c329a..cd87f7399 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
@@ -19,14 +19,14 @@ public class BackslashInlineParser implements InlineContentParser {
     public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
         Scanner scanner = inlineParserState.scanner();
         // Backslash
-        scanner.skip();
+        scanner.next();
 
         char next = scanner.peek();
         if (next == '\n') {
-            scanner.skip();
+            scanner.next();
             return ParsedInline.of(new HardLineBreak(), scanner.position());
         } else if (ESCAPABLE.matcher(String.valueOf(next)).matches()) {
-            scanner.skip();
+            scanner.next();
             return ParsedInline.of(new Text(String.valueOf(next)), scanner.position());
         } else {
             return ParsedInline.of(new Text("\\"), scanner.position());
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index 2acca095e..5dedad8d3 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -14,12 +14,12 @@ public class BackticksInlineParser implements InlineContentParser {
     public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
         Scanner scanner = inlineParserState.scanner();
         Position start = scanner.position();
-        int openingTicks = scanner.skip('`');
+        int openingTicks = scanner.matchMultiple('`');
         Position afterOpening = scanner.position();
 
         while (scanner.find('`') > 0) {
             Position beforeClosing = scanner.position();
-            int count = scanner.skip('`');
+            int count = scanner.matchMultiple('`');
             if (count == openingTicks) {
                 Code node = new Code();
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
index aef2d7850..79fe294d6 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
@@ -20,26 +20,26 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
         Scanner scanner = inlineParserState.scanner();
         Position start = scanner.position();
         // Skip `&`
-        scanner.skip();
+        scanner.next();
 
         char c = scanner.peek();
         if (c == '#') {
             // Numeric
-            scanner.skip();
-            if (scanner.skipOne('x') || scanner.skipOne('X')) {
-                int digits = scanner.skip(hex);
-                if (1 <= digits && digits <= 6 && scanner.skipOne(';')) {
+            scanner.next();
+            if (scanner.next('x') || scanner.next('X')) {
+                int digits = scanner.match(hex);
+                if (1 <= digits && digits <= 6 && scanner.next(';')) {
                     return entity(scanner, start);
                 }
             } else {
-                int digits = scanner.skip(dec);
-                if (1 <= digits && digits <= 7 && scanner.skipOne(';')) {
+                int digits = scanner.match(dec);
+                if (1 <= digits && digits <= 7 && scanner.next(';')) {
                     return entity(scanner, start);
                 }
             }
         } else if (entityStart.matches(c)) {
-            scanner.skip(entityContinue);
-            if (scanner.skipOne(';')) {
+            scanner.match(entityContinue);
+            if (scanner.next(';')) {
                 return entity(scanner, start);
             }
         }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index cff7184ab..ea4511ab3 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -32,7 +32,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
         Scanner scanner = inlineParserState.scanner();
         Position start = scanner.position();
         // Skip over `<`
-        scanner.skip();
+        scanner.next();
 
         char c = scanner.peek();
         if (tagNameStart.matches(c)) {
@@ -49,7 +49,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
             }
         } else if (c == '!') {
             // comment, declaration or CDATA
-            scanner.skip();
+            scanner.next();
             c = scanner.peek();
             if (c == '-') {
                 if (tryComment(scanner)) {
@@ -78,30 +78,30 @@ private static ParsedInline htmlInline(Position start, Scanner scanner) {
     private static boolean tryOpenTag(Scanner scanner) {
         // spec: An open tag consists of a < character, a tag name, zero or more attributes, optional whitespace,
         // an optional / character, and a > character.
-        scanner.skip();
-        scanner.skip(tagNameContinue);
-        boolean whitespace = scanner.skipWhitespace() >= 1;
+        scanner.next();
+        scanner.match(tagNameContinue);
+        boolean whitespace = scanner.whitespace() >= 1;
         // spec: An attribute consists of whitespace, an attribute name, and an optional attribute value specification.
-        while (whitespace && scanner.skip(attributeStart) >= 1) {
-            scanner.skip(attributeContinue);
+        while (whitespace && scanner.match(attributeStart) >= 1) {
+            scanner.match(attributeContinue);
             // spec: An attribute value specification consists of optional whitespace, a = character,
             // optional whitespace, and an attribute value.
-            whitespace = scanner.skipWhitespace() >= 1;
-            if (scanner.skipOne('=')) {
-                scanner.skipWhitespace();
+            whitespace = scanner.whitespace() >= 1;
+            if (scanner.next('=')) {
+                scanner.whitespace();
                 char valueStart = scanner.peek();
                 if (valueStart == '\'') {
-                    scanner.skip();
+                    scanner.next();
                     if (scanner.find('\'') < 0) {
                         return false;
                     }
-                    scanner.skip();
+                    scanner.next();
                 } else if (valueStart == '"') {
-                    scanner.skip();
+                    scanner.next();
                     if (scanner.find('"') < 0) {
                         return false;
                     }
-                    scanner.skip();
+                    scanner.next();
                 } else {
                     if (scanner.find(attributeValueEnd) <= 0) {
                         return false;
@@ -109,21 +109,21 @@ private static boolean tryOpenTag(Scanner scanner) {
                 }
 
                 // Whitespace is required between attributes
-                whitespace = scanner.skipWhitespace() >= 1;
+                whitespace = scanner.whitespace() >= 1;
             }
         }
 
-        scanner.skipOne('/');
-        return scanner.skipOne('>');
+        scanner.next('/');
+        return scanner.next('>');
     }
 
     private static boolean tryClosingTag(Scanner scanner) {
         // spec: A closing tag consists of the string </, a tag name, optional whitespace, and the character >.
-        scanner.skip();
-        if (scanner.skip(tagNameStart) >= 1) {
-            scanner.skip(tagNameContinue);
-            scanner.skipWhitespace();
-            return scanner.skipOne('>');
+        scanner.next();
+        if (scanner.match(tagNameStart) >= 1) {
+            scanner.match(tagNameContinue);
+            scanner.whitespace();
+            return scanner.next('>');
         }
         return false;
     }
@@ -131,10 +131,10 @@ private static boolean tryClosingTag(Scanner scanner) {
     private static boolean tryProcessingInstruction(Scanner scanner) {
         // spec: A processing instruction consists of the string <?, a string of characters not including the string ?>,
         // and the string ?>.
-        scanner.skip();
+        scanner.next();
         while (scanner.find('?') > 0) {
-            scanner.skip();
-            if (scanner.skipOne('>')) {
+            scanner.next();
+            if (scanner.next('>')) {
                 return true;
             }
         }
@@ -146,29 +146,29 @@ private static boolean tryComment(Scanner scanner) {
         // with -, and does not contain --. (See the HTML5 spec.)
 
         // Skip first `-`
-        scanner.skip();
-        if (!scanner.skipOne('-')) {
+        scanner.next();
+        if (!scanner.next('-')) {
             return false;
         }
 
-        if (scanner.skipOne('>')) {
+        if (scanner.next('>')) {
             return false;
         }
 
-        if (scanner.skipOne('-')) {
+        if (scanner.next('-')) {
             // Can't start with ->
-            if (scanner.skipOne('>')) {
+            if (scanner.next('>')) {
                 return false;
             }
             // Empty comment
-            if (scanner.skipOne('-')) {
-                return scanner.skipOne('>');
+            if (scanner.next('-')) {
+                return scanner.next('>');
             }
         }
 
         while (scanner.find('-') >= 0) {
-            if (scanner.skipOne('-') && scanner.skipOne('-')) {
-                return scanner.skipOne('>');
+            if (scanner.next('-') && scanner.next('-')) {
+                return scanner.next('>');
             }
         }
 
@@ -180,12 +180,12 @@ private static boolean tryCdata(Scanner scanner) {
         // and the string ]]>.
 
         // Skip `[`
-        scanner.skip();
+        scanner.next();
 
-        if (scanner.skipOne('C') && scanner.skipOne('D') && scanner.skipOne('A') && scanner.skipOne('T') && scanner.skipOne('A')
-                && scanner.skipOne('[')) {
+        if (scanner.next('C') && scanner.next('D') && scanner.next('A') && scanner.next('T') && scanner.next('A')
+                && scanner.next('[')) {
             while (scanner.find(']') >= 0) {
-                if (scanner.skipOne(']') && scanner.skipOne(']') && scanner.skipOne('>')) {
+                if (scanner.next(']') && scanner.next(']') && scanner.next('>')) {
                     return true;
                 }
             }
@@ -197,12 +197,12 @@ private static boolean tryCdata(Scanner scanner) {
     private static boolean tryDeclaration(Scanner scanner) {
         // spec: A declaration consists of the string <!, a name consisting of one or more uppercase ASCII letters,
         // whitespace, a string of characters not including the character >, and the character >.
-        scanner.skip(declaration);
-        if (scanner.skipWhitespace() <= 0) {
+        scanner.match(declaration);
+        if (scanner.whitespace() <= 0) {
             return false;
         }
         if (scanner.find('>') >= 0) {
-            scanner.skip();
+            scanner.next();
             return true;
         }
         return false;
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java
index 2ef8f2328..1b85c6eec 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java
@@ -14,7 +14,7 @@ public class LineBreakInlineContentParser implements InlineContentParser {
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
         Scanner scanner = inlineParserState.scanner();
-        scanner.skip();
+        scanner.next();
 
         // Check previous text for trailing spaces.
         // The "endsWith" is an optimization to avoid an RE match in the common case.
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index 0aee95c8e..192285b1a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -22,38 +22,38 @@ public char peek() {
         }
     }
 
-    public void skip() {
+    public void next() {
         index++;
     }
 
-    public boolean skipOne(char c) {
+    public boolean next(char c) {
         if (peek() == c) {
-            skip();
+            next();
             return true;
         } else {
             return false;
         }
     }
 
-    public int skip(char c) {
+    public int matchMultiple(char c) {
         int count = 0;
         while (peek() == c) {
             count++;
-            skip();
+            next();
         }
         return count;
     }
 
-    public int skip(CharMatcher matcher) {
+    public int match(CharMatcher matcher) {
         int count = 0;
         while (matcher.matches(peek())) {
             count++;
-            skip();
+            next();
         }
         return count;
     }
 
-    public int skipWhitespace() {
+    public int whitespace() {
         int newIndex = Parsing.skipWhitespace(input, index, input.length());
         int count = newIndex - index;
         index = newIndex;
@@ -70,7 +70,7 @@ public int find(char c) {
                 return count;
             }
             count++;
-            skip();
+            next();
         }
     }
 
@@ -84,7 +84,7 @@ public int find(CharMatcher matcher) {
                 return count;
             }
             count++;
-            skip();
+            next();
         }
     }
 

From 6ea9ae53ac02d61bf2c5aa6b7af7e038f376fa94 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 27 Jul 2020 21:09:16 +1000
Subject: [PATCH 072/450] Use Scanner for link parsing too

Getting really close to not needing `match` in InlineParserImpl anymore!
---
 .../commonmark/internal/InlineParserImpl.java |  79 +++++-----
 .../LinkReferenceDefinitionParser.java        | 139 +++++++++---------
 .../internal/inline/AutolinkInlineParser.java |   2 +-
 .../inline/BackticksInlineParser.java         |   4 +-
 .../internal/inline/EntityInlineParser.java   |   3 +-
 .../internal/inline/HtmlInlineParser.java     |   3 +-
 .../commonmark/internal/inline/Scanner.java   |  14 +-
 .../commonmark/internal/util/Escaping.java    |   6 -
 .../commonmark/internal/util/LinkScanner.java | 131 +++++++++--------
 .../org/commonmark/internal/util/Parsing.java |  72 +++++----
 .../internal/inline/ScannerTest.java          |  20 +++
 11 files changed, 263 insertions(+), 210 deletions(-)
 create mode 100644 commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 2bc1ebf69..ae6598c91 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -93,6 +93,10 @@ public Scanner scanner() {
         return new Scanner(input, index);
     }
 
+    private void setPosition(Position position) {
+        index = position.getIndex();
+    }
+
     private static void addDelimiterProcessors(Iterable<DelimiterProcessor> delimiterProcessors, Map<Character, DelimiterProcessor> map) {
         for (DelimiterProcessor delimiterProcessor : delimiterProcessors) {
             char opening = delimiterProcessor.getOpeningCharacter();
@@ -182,7 +186,7 @@ private Node parseInline(Node previous) {
                 ParsedInline parsedInline = inlineParser.tryParse(this, previous);
                 if (parsedInline instanceof ParsedInlineImpl) {
                     ParsedInlineImpl parsedInlineImpl = (ParsedInlineImpl) parsedInline;
-                    index = parsedInlineImpl.getPosition().getIndex();
+                    setPosition(parsedInlineImpl.getPosition());
                     return parsedInlineImpl.getNode();
                 }
             }
@@ -372,21 +376,18 @@ private Node parseCloseBracket() {
         if (!isLinkOrImage) {
 
             // See if there's a link label like `[bar]` or `[]`
-            int beforeLabel = index;
-            parseLinkLabel();
-            int labelLength = index - beforeLabel;
-            String ref = null;
-            if (labelLength > 2) {
-                ref = input.substring(beforeLabel, beforeLabel + labelLength);
-            } else if (!opener.bracketAfter) {
+            String ref = parseLinkLabel();
+            if ((ref == null || ref.isEmpty()) && !opener.bracketAfter) {
                 // If the second label is empty `[foo][]` or missing `[foo]`, then the first label is the reference.
                 // But it can only be a reference when there's no (unescaped) bracket in it.
                 // If there is, we don't even need to try to look up the reference. This is an optimization.
                 ref = input.substring(opener.index, startIndex);
+                // Strip '[' and ']'
+                ref = ref.substring(1, ref.length() - 1);
             }
 
             if (ref != null) {
-                String label = Escaping.normalizeReference(ref);
+                String label = Escaping.normalizeLabelContent(ref);
                 LinkReferenceDefinition definition = context.getLinkReferenceDefinition(label);
                 if (definition != null) {
                     dest = definition.getDestination();
@@ -451,20 +452,23 @@ private void removeLastBracket() {
      * Attempt to parse link destination, returning the string or null if no match.
      */
     private String parseLinkDestination() {
-        int afterDest = LinkScanner.scanLinkDestination(input, index);
-        if (afterDest == -1) {
+        Scanner scanner = scanner();
+        char delimiter = scanner.peek();
+        Position start = scanner.position();
+        if (!LinkScanner.scanLinkDestination(scanner)) {
             return null;
         }
 
         String dest;
-        if (peek() == '<') {
+        if (delimiter == '<') {
             // chop off surrounding <..>:
-            dest = input.substring(index + 1, afterDest - 1);
+            CharSequence rawDestination = scanner.textBetween(start, scanner.position());
+            dest = rawDestination.subSequence(1, rawDestination.length() - 1).toString();
         } else {
-            dest = input.substring(index, afterDest);
+            dest = scanner.textBetween(start, scanner.position()).toString();
         }
 
-        index = afterDest;
+        setPosition(scanner.position());
         return Escaping.unescapeString(dest);
     }
 
@@ -472,37 +476,46 @@ private String parseLinkDestination() {
      * Attempt to parse link title (sans quotes), returning the string or null if no match.
      */
     private String parseLinkTitle() {
-        int afterTitle = LinkScanner.scanLinkTitle(input, index);
-        if (afterTitle == -1) {
+        Scanner scanner = scanner();
+        Position start = scanner.position();
+        if (!LinkScanner.scanLinkTitle(scanner)) {
             return null;
         }
 
         // chop off ', " or parens
-        String title = input.substring(index + 1, afterTitle - 1);
-        index = afterTitle;
+        CharSequence rawTitle = scanner.textBetween(start, scanner.position());
+        String title = rawTitle.subSequence(1, rawTitle.length() - 1).toString();
+        setPosition(scanner.position());
         return Escaping.unescapeString(title);
     }
 
     /**
-     * Attempt to parse a link label, returning number of characters parsed.
+     * Attempt to parse a link label, returning the label between the brackets or null.
      */
-    int parseLinkLabel() {
-        if (index >= input.length() || input.charAt(index) != '[') {
-            return 0;
+    String parseLinkLabel() {
+        Scanner scanner = scanner();
+        if (!scanner.next('[')) {
+            return null;
         }
 
-        int startContent = index + 1;
-        int endContent = LinkScanner.scanLinkLabelContent(input, startContent);
-        // spec: A link label can have at most 999 characters inside the square brackets.
-        int contentLength = endContent - startContent;
-        if (endContent == -1 || contentLength > 999) {
-            return 0;
+        Position start = scanner.position();
+        if (!LinkScanner.scanLinkLabelContent(scanner)) {
+            return null;
+        }
+        Position end = scanner.position();
+
+        if (!scanner.next(']')) {
+            return null;
         }
-        if (endContent >= input.length() || input.charAt(endContent) != ']') {
-            return 0;
+
+        String content = scanner.textBetween(start, end).toString();
+        // spec: A link label can have at most 999 characters inside the square brackets.
+        if (content.length() > 999) {
+            return null;
         }
-        index = endContent + 1;
-        return contentLength + 2;
+
+        setPosition(scanner.position());
+        return content;
     }
 
     /**
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index e0c23160e..a6cd57228 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -1,8 +1,9 @@
 package org.commonmark.internal;
 
+import org.commonmark.internal.inline.Position;
+import org.commonmark.internal.inline.Scanner;
 import org.commonmark.internal.util.Escaping;
 import org.commonmark.internal.util.LinkScanner;
-import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.node.SourceSpan;
 
@@ -35,8 +36,9 @@ public void parse(CharSequence line) {
         }
         paragraph.append(line);
 
-        int i = 0;
-        while (i < line.length()) {
+        Scanner scanner = new Scanner(line, 0);
+        while (scanner.hasNext()) {
+            boolean success;
             switch (state) {
                 case PARAGRAPH: {
                     // We're in a paragraph now. Link reference definitions can only appear at the beginning, so once
@@ -44,28 +46,31 @@ public void parse(CharSequence line) {
                     return;
                 }
                 case START_DEFINITION: {
-                    i = startDefinition(line, i);
+                    success = startDefinition(scanner);
                     break;
                 }
                 case LABEL: {
-                    i = label(line, i);
+                    success = label(scanner);
                     break;
                 }
                 case DESTINATION: {
-                    i = destination(line, i);
+                    success = destination(scanner);
                     break;
                 }
                 case START_TITLE: {
-                    i = startTitle(line, i);
+                    success = startTitle(scanner);
                     break;
                 }
                 case TITLE: {
-                    i = title(line, i);
+                    success = title(scanner);
                     break;
                 }
+                default: {
+                    throw new IllegalStateException("Unknown parsing state: " + state);
+                }
             }
-            // -1 is returned if parsing failed, which means we fall back to treating text as a paragraph.
-            if (i == -1) {
+            // Parsing failed, which means we fall back to treating text as a paragraph.
+            if (!success) {
                 state = State.PARAGRAPH;
                 return;
             }
@@ -93,96 +98,95 @@ State getState() {
         return state;
     }
 
-    private int startDefinition(CharSequence line, int i) {
-        i = Parsing.skipSpaceTab(line, i, line.length());
-        if (i >= line.length() || line.charAt(i) != '[') {
-            return -1;
+    private boolean startDefinition(Scanner scanner) {
+        scanner.whitespace();
+        if (!scanner.next('[')) {
+            return false;
         }
 
         state = State.LABEL;
         label = new StringBuilder();
 
-        int labelStart = i + 1;
-        if (labelStart >= line.length()) {
+        if (!scanner.hasNext()) {
             label.append('\n');
         }
-
-        return labelStart;
+        return true;
     }
 
-    private int label(CharSequence line, int i) {
-        int afterLabel = LinkScanner.scanLinkLabelContent(line, i);
-        if (afterLabel == -1) {
-            return -1;
+    private boolean label(Scanner scanner) {
+        Position start = scanner.position();
+        if (!LinkScanner.scanLinkLabelContent(scanner)) {
+            return false;
         }
 
-        label.append(line, i, afterLabel);
+        label.append(scanner.textBetween(start, scanner.position()));
 
-        if (afterLabel >= line.length()) {
+        if (!scanner.hasNext()) {
             // label might continue on next line
             label.append('\n');
-            return afterLabel;
-        } else if (line.charAt(afterLabel) == ']') {
-            int colon = afterLabel + 1;
+            return true;
+        } else if (scanner.next(']')) {
             // end of label
-            if (colon >= line.length() || line.charAt(colon) != ':') {
-                return -1;
+            if (!scanner.next(':')) {
+                return false;
             }
 
             // spec: A link label can have at most 999 characters inside the square brackets.
             if (label.length() > 999) {
-                return -1;
+                return false;
             }
 
             String normalizedLabel = Escaping.normalizeLabelContent(label.toString());
             if (normalizedLabel.isEmpty()) {
-                return -1;
+                return false;
             }
 
             this.normalizedLabel = normalizedLabel;
             state = State.DESTINATION;
 
-            return Parsing.skipSpaceTab(line, colon + 1, line.length());
+            scanner.whitespace();
+            return true;
         } else {
-            return -1;
+            return false;
         }
     }
 
-    private int destination(CharSequence line, int i) {
-        i = Parsing.skipSpaceTab(line, i, line.length());
-        int afterDestination = LinkScanner.scanLinkDestination(line, i);
-        if (afterDestination == -1) {
-            return -1;
+    private boolean destination(Scanner scanner) {
+        scanner.whitespace();
+        Position start = scanner.position();
+        if (!LinkScanner.scanLinkDestination(scanner)) {
+            return false;
         }
 
-        destination = (line.charAt(i) == '<')
-                ? line.subSequence(i + 1, afterDestination - 1).toString()
-                : line.subSequence(i, afterDestination).toString();
+        String rawDestination = scanner.textBetween(start, scanner.position()).toString();
+        destination = rawDestination.startsWith("<") ?
+                rawDestination.substring(1, rawDestination.length() - 1) :
+                rawDestination;
 
-        int afterSpace = Parsing.skipSpaceTab(line, afterDestination, line.length());
-        if (afterSpace >= line.length()) {
+        int whitespace = scanner.whitespace();
+        if (!scanner.hasNext()) {
             // Destination was at end of line, so this is a valid reference for sure (and maybe a title).
             // If not at end of line, wait for title to be valid first.
             referenceValid = true;
             paragraph.setLength(0);
-        } else if (afterSpace == afterDestination) {
+        } else if (whitespace == 0) {
             // spec: The title must be separated from the link destination by whitespace
-            return -1;
+            return false;
         }
 
         state = State.START_TITLE;
-        return afterSpace;
+        return true;
     }
 
-    private int startTitle(CharSequence line, int i) {
-        i = Parsing.skipSpaceTab(line, i, line.length());
-        if (i >= line.length()) {
+    private boolean startTitle(Scanner scanner) {
+        scanner.whitespace();
+        if (!scanner.hasNext()) {
             state = State.START_DEFINITION;
-            return i;
+            return true;
         }
 
         titleDelimiter = '\0';
-        char c = line.charAt(i);
+        char c = scanner.peek();
         switch (c) {
             case '"':
             case '\'':
@@ -196,8 +200,8 @@ private int startTitle(CharSequence line, int i) {
         if (titleDelimiter != '\0') {
             state = State.TITLE;
             title = new StringBuilder();
-            i++;
-            if (i == line.length()) {
+            scanner.next();
+            if (!scanner.hasNext()) {
                 title.append('\n');
             }
         } else {
@@ -205,29 +209,30 @@ private int startTitle(CharSequence line, int i) {
             // There might be another reference instead, try that for the same character.
             state = State.START_DEFINITION;
         }
-        return i;
+        return true;
     }
 
-    private int title(CharSequence line, int i) {
-        int afterTitle = LinkScanner.scanLinkTitleContent(line, i, titleDelimiter);
-        if (afterTitle == -1) {
+    private boolean title(Scanner scanner) {
+        Position start = scanner.position();
+        if (!LinkScanner.scanLinkTitleContent(scanner, titleDelimiter)) {
             // Invalid title, stop
-            return -1;
+            return false;
         }
 
-        title.append(line.subSequence(i, afterTitle));
+        title.append(scanner.textBetween(start, scanner.position()));
 
-        if (afterTitle >= line.length()) {
-            // Title still going, continue on next line
+        if (!scanner.hasNext()) {
+            // Title ran until the end of line, so continue on next line (until we find the delimiter)
             title.append('\n');
-            return afterTitle;
+            return true;
         }
 
-        int afterTitleDelimiter = afterTitle + 1;
-        int afterSpace = Parsing.skipSpaceTab(line, afterTitleDelimiter, line.length());
-        if (afterSpace != line.length()) {
+        // Skip delimiter character
+        scanner.next();
+        scanner.whitespace();
+        if (scanner.hasNext()) {
             // spec: No further non-whitespace characters may occur on the line.
-            return -1;
+            return false;
         }
         referenceValid = true;
         finishReference();
@@ -235,7 +240,7 @@ private int title(CharSequence line, int i) {
 
         // See if there's another definition.
         state = State.START_DEFINITION;
-        return afterSpace;
+        return true;
     }
 
     private void finishReference() {
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index 629ec6619..acf55a796 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -23,7 +23,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
         scanner.next();
         Position start = scanner.position();
         if (scanner.find('>') > 0) {
-            String text = scanner.textBetween(start, scanner.position());
+            String text = scanner.textBetween(start, scanner.position()).toString();
             scanner.next();
             if (URI.matcher(text).matches()) {
                 Link node = new Link(text, null);
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index 5dedad8d3..9979bde86 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -23,7 +23,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
             if (count == openingTicks) {
                 Code node = new Code();
 
-                String content = scanner.textBetween(afterOpening, beforeClosing);
+                String content = scanner.textBetween(afterOpening, beforeClosing).toString();
                 content = content.replace('\n', ' ');
 
                 // spec: If the resulting string both begins and ends with a space character, but does not consist
@@ -41,7 +41,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
         }
 
         // If we got here, we didn't find a matching closing backtick sequence.
-        String ticks = scanner.textBetween(start, afterOpening);
+        String ticks = scanner.textBetween(start, afterOpening).toString();
         return ParsedInline.of(new Text(ticks), afterOpening);
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
index 79fe294d6..d44ee4217 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
@@ -48,6 +48,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
     }
 
     private ParsedInline entity(Scanner scanner, Position start) {
-        return ParsedInline.of(new Text(Html5Entities.entityToString(scanner.textBetween(start, scanner.position()))), scanner.position());
+        String text = scanner.textBetween(start, scanner.position()).toString();
+        return ParsedInline.of(new Text(Html5Entities.entityToString(text)), scanner.position());
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index ea4511ab3..4c25c3e58 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -70,8 +70,9 @@ public ParsedInline tryParse(InlineParserState inlineParserState, Node previous)
     }
 
     private static ParsedInline htmlInline(Position start, Scanner scanner) {
+        String text = scanner.textBetween(start, scanner.position()).toString();
         HtmlInline node = new HtmlInline();
-        node.setLiteral(scanner.textBetween(start, scanner.position()));
+        node.setLiteral(text);
         return ParsedInline.of(node, scanner.position());
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index 192285b1a..cb87248d1 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -5,11 +5,11 @@
 
 public class Scanner {
 
-    private final String input;
+    private final CharSequence input;
     private int index;
 
     // TODO: Visibility
-    public Scanner(String input, int index) {
+    public Scanner(CharSequence input, int index) {
         this.input = input;
         this.index = index;
     }
@@ -22,6 +22,10 @@ public char peek() {
         }
     }
 
+    public boolean hasNext() {
+        return index < input.length();
+    }
+
     public void next() {
         index++;
     }
@@ -94,7 +98,9 @@ public Position position() {
         return new Position(index);
     }
 
-    public String textBetween(Position begin, Position end) {
-        return input.substring(begin.index, end.index);
+    // For cases where the caller appends the result to a StringBuilder, we could offer another method to avoid some
+    // unnecessary copying.
+    public CharSequence textBetween(Position begin, Position end) {
+        return input.subSequence(begin.index, end.index);
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java b/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
index 15197556c..2b34f6190 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
@@ -111,12 +111,6 @@ public static String percentEncodeUrl(String s) {
         return replaceAll(ESCAPE_IN_URI, s, URI_REPLACER);
     }
 
-    public static String normalizeReference(String input) {
-        // Strip '[' and ']'
-        String stripped = input.substring(1, input.length() - 1);
-        return normalizeLabelContent(stripped);
-    }
-
     public static String normalizeLabelContent(String input) {
         String trimmed = input.trim();
         String lowercase = trimmed.toLowerCase(Locale.ROOT);
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/LinkScanner.java b/commonmark/src/main/java/org/commonmark/internal/util/LinkScanner.java
index f25cd59e5..3ca34c5f0 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/LinkScanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/LinkScanner.java
@@ -1,69 +1,76 @@
 package org.commonmark.internal.util;
 
+import org.commonmark.internal.inline.Scanner;
+
 public class LinkScanner {
 
     /**
-     * Attempt to scan the contents of a link label (inside the brackets), returning the position after the content or
-     * -1. The returned position can either be the closing {@code ]}, or the end of the line if the label continues on
+     * Attempt to scan the contents of a link label (inside the brackets), stopping after the content or returning false.
+     * The stopped position can bei either the closing {@code ]}, or the end of the line if the label continues on
      * the next line.
      */
-    public static int scanLinkLabelContent(CharSequence input, int start) {
-        for (int i = start; i < input.length(); i++) {
-            char c = input.charAt(i);
-            switch (c) {
+    public static boolean scanLinkLabelContent(Scanner scanner) {
+        while (scanner.hasNext()) {
+            switch (scanner.peek()) {
                 case '\\':
-                    if (Parsing.isEscapable(input, i + 1)) {
-                        i += 1;
+                    scanner.next();
+                    if (Parsing.isEscapable(scanner.peek())) {
+                        scanner.next();
                     }
                     break;
                 case ']':
-                    return i;
+                    return true;
                 case '[':
                     // spec: Unescaped square bracket characters are not allowed inside the opening and closing
                     // square brackets of link labels.
-                    return -1;
+                    return false;
+                default:
+                    scanner.next();
             }
         }
-        return input.length();
+        return true;
     }
 
     /**
-     * Attempt to scan a link destination, returning the position after the destination or -1.
+     * Attempt to scan a link destination, stopping after the destination or returning false.
      */
-    public static int scanLinkDestination(CharSequence input, int start) {
-        if (start >= input.length()) {
-            return -1;
+    public static boolean scanLinkDestination(Scanner scanner) {
+        if (!scanner.hasNext()) {
+            return false;
         }
 
-        if (input.charAt(start) == '<') {
-            for (int i = start + 1; i < input.length(); i++) {
-                char c = input.charAt(i);
-                switch (c) {
+        if (scanner.next('<')) {
+            while (scanner.hasNext()) {
+                switch (scanner.peek()) {
                     case '\\':
-                        if (Parsing.isEscapable(input, i + 1)) {
-                            i += 1;
+                        scanner.next();
+                        if (Parsing.isEscapable(scanner.peek())) {
+                            scanner.next();
                         }
                         break;
                     case '\n':
                     case '<':
-                        return -1;
+                        return false;
                     case '>':
-                        return i + 1;
+                        scanner.next();
+                        return true;
+                    default:
+                        scanner.next();
                 }
             }
-            return -1;
+            return false;
         } else {
-            return scanLinkDestinationWithBalancedParens(input, start);
+            return scanLinkDestinationWithBalancedParens(scanner);
         }
     }
 
-    public static int scanLinkTitle(CharSequence input, int start) {
-        if (start >= input.length()) {
-            return -1;
+    public static boolean scanLinkTitle(Scanner scanner) {
+        if (!scanner.hasNext()) {
+            return false;
         }
 
         char endDelimiter;
-        switch (input.charAt(start)) {
+        switch (scanner.peek()) {
             case '"':
                 endDelimiter = '"';
                 break;
@@ -74,75 +81,83 @@ public static int scanLinkTitle(CharSequence input, int start) {
                 endDelimiter = ')';
                 break;
             default:
-                return -1;
+                return false;
         }
+        scanner.next();
 
-        int afterContent = scanLinkTitleContent(input, start + 1, endDelimiter);
-        if (afterContent == -1) {
-            return -1;
+        if (!scanLinkTitleContent(scanner, endDelimiter)) {
+            return false;
         }
-
-        if (afterContent >= input.length() || input.charAt(afterContent) != endDelimiter) {
-            // missing or wrong end delimiter
-            return -1;
+        if (!scanner.hasNext()) {
+            return false;
         }
-
-        return afterContent + 1;
+        scanner.next();
+        return true;
     }
 
-    public static int scanLinkTitleContent(CharSequence input, int start, char endDelimiter) {
-        for (int i = start; i < input.length(); i++) {
-            char c = input.charAt(i);
-            if (c == '\\' && Parsing.isEscapable(input, i + 1)) {
-                i += 1;
+    public static boolean scanLinkTitleContent(Scanner scanner, char endDelimiter) {
+        while (scanner.hasNext()) {
+            char c = scanner.peek();
+            if (c == '\\') {
+                scanner.next();
+                if (Parsing.isEscapable(scanner.peek())) {
+                    scanner.next();
+                }
             } else if (c == endDelimiter) {
-                return i;
+                return true;
             } else if (endDelimiter == ')' && c == '(') {
                 // unescaped '(' in title within parens is invalid
-                return -1;
+                return false;
+            } else {
+                scanner.next();
             }
         }
-        return input.length();
+        return true;
     }
 
     // spec: a nonempty sequence of characters that does not start with <, does not include ASCII space or control
     // characters, and includes parentheses only if (a) they are backslash-escaped or (b) they are part of a balanced
     // pair of unescaped parentheses
-    private static int scanLinkDestinationWithBalancedParens(CharSequence input, int start) {
+    private static boolean scanLinkDestinationWithBalancedParens(Scanner scanner) {
         int parens = 0;
-        for (int i = start; i < input.length(); i++) {
-            char c = input.charAt(i);
+        boolean empty = true;
+        while (scanner.hasNext()) {
+            char c = scanner.peek();
             switch (c) {
-                case '\0':
                 case ' ':
-                    return i != start ? i : -1;
+                    return !empty;
                 case '\\':
-                    if (Parsing.isEscapable(input, i + 1)) {
-                        i += 1;
+                    scanner.next();
+                    if (Parsing.isEscapable(scanner.peek())) {
+                        scanner.next();
                     }
                     break;
                 case '(':
                     parens++;
                     // Limit to 32 nested parens for pathological cases
                     if (parens > 32) {
-                        return -1;
+                        return false;
                     }
+                    scanner.next();
                     break;
                 case ')':
                     if (parens == 0) {
-                        return i;
+                        return true;
                     } else {
                         parens--;
                     }
+                    scanner.next();
                     break;
                 default:
                     // or control character
                     if (Character.isISOControl(c)) {
-                        return i != start ? i : -1;
+                        return !empty;
                     }
+                    scanner.next();
                     break;
             }
+            empty = false;
         }
-        return input.length();
+        return true;
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
index 6c59b7255..10be523bb 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
@@ -72,43 +72,41 @@ public static boolean isSpaceOrTab(CharSequence s, int index) {
         return false;
     }
 
-    public static boolean isEscapable(CharSequence s, int index) {
-        if (index < s.length()) {
-            switch (s.charAt(index)) {
-                case '!':
-                case '"':
-                case '#':
-                case '$':
-                case '%':
-                case '&':
-                case '\'':
-                case '(':
-                case ')':
-                case '*':
-                case '+':
-                case ',':
-                case '-':
-                case '.':
-                case '/':
-                case ':':
-                case ';':
-                case '<':
-                case '=':
-                case '>':
-                case '?':
-                case '@':
-                case '[':
-                case '\\':
-                case ']':
-                case '^':
-                case '_':
-                case '`':
-                case '{':
-                case '|':
-                case '}':
-                case '~':
-                    return true;
-            }
+    public static boolean isEscapable(char c) {
+        switch (c) {
+            case '!':
+            case '"':
+            case '#':
+            case '$':
+            case '%':
+            case '&':
+            case '\'':
+            case '(':
+            case ')':
+            case '*':
+            case '+':
+            case ',':
+            case '-':
+            case '.':
+            case '/':
+            case ':':
+            case ';':
+            case '<':
+            case '=':
+            case '>':
+            case '?':
+            case '@':
+            case '[':
+            case '\\':
+            case ']':
+            case '^':
+            case '_':
+            case '`':
+            case '{':
+            case '|':
+            case '}':
+            case '~':
+                return true;
         }
         return false;
     }
diff --git a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
new file mode 100644
index 000000000..ed8e958ad
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
@@ -0,0 +1,20 @@
+package org.commonmark.internal.inline;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class ScannerTest {
+    
+    @Test
+    public void testNext() {
+        Scanner scanner = new Scanner("foo bar", 4);
+        assertEquals('b', scanner.peek());
+        scanner.next();
+        assertEquals('a', scanner.peek());
+        scanner.next();
+        assertEquals('r', scanner.peek());
+        scanner.next();
+        assertEquals('\0', scanner.peek());
+    }
+}

From 9b56ee4c723ea87879f468be8f27bade256806cd Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Tue, 28 Jul 2020 20:26:18 +1000
Subject: [PATCH 073/450] Rewrite remaining code in InlineParserImpl to use
 Scanner

---
 .../java/org/commonmark/internal/Bracket.java |  18 +-
 .../commonmark/internal/InlineParserImpl.java | 213 +++++++-----------
 .../commonmark/internal/inline/Scanner.java   |   9 +
 3 files changed, 100 insertions(+), 140 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/Bracket.java b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
index 70a8a6e25..f66a79279 100644
--- a/commonmark/src/main/java/org/commonmark/internal/Bracket.java
+++ b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
@@ -1,5 +1,6 @@
 package org.commonmark.internal;
 
+import org.commonmark.internal.inline.Position;
 import org.commonmark.node.Text;
 
 /**
@@ -8,7 +9,10 @@
 public class Bracket {
 
     public final Text node;
-    public final int index;
+    /**
+     * The position of the content (after the opening bracket)
+     */
+    public final Position contentPosition;
     public final boolean image;
 
     /**
@@ -31,17 +35,17 @@ public class Bracket {
      */
     public boolean bracketAfter = false;
 
-    static public Bracket link(Text node, int index, Bracket previous, Delimiter previousDelimiter) {
-        return new Bracket(node, index, previous, previousDelimiter, false);
+    static public Bracket link(Text node, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
+        return new Bracket(node, contentPosition, previous, previousDelimiter, false);
     }
 
-    static public Bracket image(Text node, int index, Bracket previous, Delimiter previousDelimiter) {
-        return new Bracket(node, index, previous, previousDelimiter, true);
+    static public Bracket image(Text node, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
+        return new Bracket(node, contentPosition, previous, previousDelimiter, true);
     }
 
-    private Bracket(Text node, int index, Bracket previous, Delimiter previousDelimiter, boolean image) {
+    private Bracket(Text node, Position contentPosition, Bracket previous, Delimiter previousDelimiter, boolean image) {
         this.node = node;
-        this.index = index;
+        this.contentPosition = contentPosition;
         this.image = image;
         this.previous = previous;
         this.previousDelimiter = previousDelimiter;
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index ae6598c91..cd04ced92 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -10,7 +10,6 @@
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.util.*;
-import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 public class InlineParserImpl implements InlineParser, InlineParserState {
@@ -19,12 +18,8 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
     private static final Pattern PUNCTUATION = Pattern
             .compile("^[" + ASCII_PUNCTUATION + "\\p{Pc}\\p{Pd}\\p{Pe}\\p{Pf}\\p{Pi}\\p{Po}\\p{Ps}]");
 
-    private static final Pattern SPNL = Pattern.compile("^ *(?:\n *)?");
-
     private static final Pattern UNICODE_WHITESPACE_CHAR = Pattern.compile("^[\\p{Zs}\t\r\n\f]");
 
-    private static final Pattern WHITESPACE = Pattern.compile("\\s+");
-
     private final BitSet specialCharacters;
     private final BitSet delimiterCharacters;
     private final Map<Character, DelimiterProcessor> delimiterProcessors;
@@ -93,10 +88,6 @@ public Scanner scanner() {
         return new Scanner(input, index);
     }
 
-    private void setPosition(Position position) {
-        index = position.getIndex();
-    }
-
     private static void addDelimiterProcessors(Iterable<DelimiterProcessor> delimiterProcessors, Map<Character, DelimiterProcessor> map) {
         for (DelimiterProcessor delimiterProcessor : delimiterProcessors) {
             char opening = delimiterProcessor.getOpeningCharacter();
@@ -152,6 +143,10 @@ public void parse(String content, Node block) {
         mergeChildTextNodes(block);
     }
 
+    void setPosition(Position position) {
+        index = position.getIndex();
+    }
+
     void reset(String content) {
         this.input = content;
         this.index = 0;
@@ -159,22 +154,18 @@ void reset(String content) {
         this.lastBracket = null;
     }
 
-
-    private Text text(String text, int beginIndex, int endIndex) {
-        return new Text(text.substring(beginIndex, endIndex));
-    }
-
     private Text text(String text) {
         return new Text(text);
     }
 
     /**
-     * Parse the next inline element in subject, advancing input index.
+     * Parse the next inline element in subject, advancing our position.
      * On success, return the new inline node.
      * On failure, return null.
      */
     private Node parseInline(Node previous) {
-        char c = peek();
+        Scanner scanner = scanner();
+        char c = scanner.peek();
         if (c == '\0') {
             return null;
         }
@@ -216,7 +207,8 @@ private Node parseInline(Node previous) {
         if (node != null) {
             return node;
         } else {
-            index++;
+            scanner.next();
+            setPosition(scanner.position());
             // When we get here, it's only for a single special character that turned out to not have a special meaning.
             // So we shouldn't have a single surrogate here, hence it should be ok to turn it into a String.
             String literal = String.valueOf(c);
@@ -224,46 +216,6 @@ private Node parseInline(Node previous) {
         }
     }
 
-    /**
-     * If RE matches at current index in the input, advance index and return the match; otherwise return null.
-     */
-    private String match(Pattern re) {
-        if (index >= input.length()) {
-            return null;
-        }
-        try {
-            Matcher matcher = re.matcher(input);
-            matcher.region(index, input.length());
-            boolean m = matcher.find();
-            if (m) {
-                index = matcher.end();
-                return matcher.group();
-            } else {
-                return null;
-            }
-        } catch (StackOverflowError e) {
-            return null;
-        }
-    }
-
-    /**
-     * Returns the char at the current input index, or {@code '\0'} in case there are no more characters.
-     */
-    private char peek() {
-        if (index < input.length()) {
-            return input.charAt(index);
-        } else {
-            return '\0';
-        }
-    }
-
-    /**
-     * Parse zero or more space characters, including at most one newline.
-     */
-    private void spnl() {
-        match(SPNL);
-    }
-
     /**
      * Attempt to parse delimiters like emphasis, strong emphasis or custom delimiters.
      */
@@ -272,16 +224,13 @@ private Node parseDelimiters(DelimiterProcessor delimiterProcessor, char delimit
         if (res == null) {
             return null;
         }
-        int length = res.count;
-        int startIndex = index;
 
-        index += length;
-        Text node = text(input, startIndex, index);
+        Text node = res.text;
 
         // Add entry to stack for this opener
         lastDelimiter = new Delimiter(node, delimiterChar, res.canOpen, res.canClose, lastDelimiter);
-        lastDelimiter.length = length;
-        lastDelimiter.originalLength = length;
+        lastDelimiter.length = res.count;
+        lastDelimiter.originalLength = res.count;
         if (lastDelimiter.previous != null) {
             lastDelimiter.previous.next = lastDelimiter;
         }
@@ -293,13 +242,15 @@ private Node parseDelimiters(DelimiterProcessor delimiterProcessor, char delimit
      * Add open bracket to delimiter stack and add a text node to block's children.
      */
     private Node parseOpenBracket() {
-        int startIndex = index;
-        index++;
+        Scanner scanner = scanner();
+        scanner.next();
+        Position start = scanner.position();
+        setPosition(start);
 
         Text node = text("[");
 
         // Add entry to stack for this opener
-        addBracket(Bracket.link(node, startIndex, lastBracket, lastDelimiter));
+        addBracket(Bracket.link(node, start, lastBracket, lastDelimiter));
 
         return node;
     }
@@ -309,18 +260,18 @@ private Node parseOpenBracket() {
      * Otherwise just add a text node.
      */
     private Node parseBang() {
-        int startIndex = index;
-        index++;
-        if (peek() == '[') {
-            index++;
-
+        Scanner scanner = scanner();
+        scanner.next();
+        if (scanner.next('[')) {
             Text node = text("![");
 
             // Add entry to stack for this opener
-            addBracket(Bracket.image(node, startIndex + 1, lastBracket, lastDelimiter));
+            addBracket(Bracket.image(node, scanner.position(), lastBracket, lastDelimiter));
 
+            setPosition(scanner.position());
             return node;
         } else {
+            setPosition(scanner.position());
             return text("!");
         }
     }
@@ -330,8 +281,10 @@ private Node parseBang() {
      * plain [ character. If there is a matching delimiter, remove it from the delimiter stack.
      */
     private Node parseCloseBracket() {
-        index++;
-        int startIndex = index;
+        Scanner scanner = scanner();
+        Position beforeClose = scanner.position();
+        scanner.next();
+        setPosition(scanner.position());
 
         // Get previous `[` or `![`
         Bracket opener = lastBracket;
@@ -347,43 +300,41 @@ private Node parseCloseBracket() {
         }
 
         // Check to see if we have a link/image
-
         String dest = null;
         String title = null;
-        boolean isLinkOrImage = false;
 
         // Maybe a inline link like `[foo](/uri "title")`
-        if (peek() == '(') {
-            index++;
-            spnl();
-            if ((dest = parseLinkDestination()) != null) {
-                spnl();
+        if (scanner.next('(')) {
+            scanner.whitespace();
+            dest = parseLinkDestination(scanner);
+            if (dest != null) {
+                int whitespace = scanner.whitespace();
                 // title needs a whitespace before
-                if (WHITESPACE.matcher(input.substring(index - 1, index)).matches()) {
-                    title = parseLinkTitle();
-                    spnl();
+                if (whitespace >= 1) {
+                    title = parseLinkTitle(scanner);
+                    scanner.whitespace();
                 }
-                if (peek() == ')') {
-                    index++;
-                    isLinkOrImage = true;
-                } else {
-                    index = startIndex;
+                if (!scanner.next(')')) {
+                    // Don't have a closing `)`, so it's not a destination and title -> reset.
+                    // Note that something like `[foo](` could be valid, `(` will just be text.
+                    scanner = scanner();
+                    dest = null;
+                    title = null;
                 }
             }
         }
 
-        // Maybe a reference link like `[foo][bar]`, `[foo][]` or `[foo]`
-        if (!isLinkOrImage) {
-
+        // Maybe a reference link like `[foo][bar]`, `[foo][]` or `[foo]`.
+        // Note that even `[foo](` could be a valid link if there's a reference, which is why this is not just an `else`
+        // here.
+        if (dest == null) {
             // See if there's a link label like `[bar]` or `[]`
-            String ref = parseLinkLabel();
+            String ref = parseLinkLabel(scanner);
             if ((ref == null || ref.isEmpty()) && !opener.bracketAfter) {
                 // If the second label is empty `[foo][]` or missing `[foo]`, then the first label is the reference.
                 // But it can only be a reference when there's no (unescaped) bracket in it.
                 // If there is, we don't even need to try to look up the reference. This is an optimization.
-                ref = input.substring(opener.index, startIndex);
-                // Strip '[' and ']'
-                ref = ref.substring(1, ref.length() - 1);
+                ref = scanner.textBetween(opener.contentPosition, beforeClose).toString();
             }
 
             if (ref != null) {
@@ -392,12 +343,11 @@ private Node parseCloseBracket() {
                 if (definition != null) {
                     dest = definition.getDestination();
                     title = definition.getTitle();
-                    isLinkOrImage = true;
                 }
             }
         }
 
-        if (isLinkOrImage) {
+        if (dest != null) {
             // If we got here, open is a potential opener
             Node linkOrImage = opener.image ? new Image(dest, title) : new Link(dest, title);
 
@@ -427,10 +377,12 @@ private Node parseCloseBracket() {
                 }
             }
 
+            setPosition(scanner.position());
+
             return linkOrImage;
 
-        } else { // no link or image
-            index = startIndex;
+        } else {
+            // No link or image, parse just the bracket as text and continue
             removeLastBracket();
 
             return text("]");
@@ -451,8 +403,7 @@ private void removeLastBracket() {
     /**
      * Attempt to parse link destination, returning the string or null if no match.
      */
-    private String parseLinkDestination() {
-        Scanner scanner = scanner();
+    private String parseLinkDestination(Scanner scanner) {
         char delimiter = scanner.peek();
         Position start = scanner.position();
         if (!LinkScanner.scanLinkDestination(scanner)) {
@@ -468,15 +419,13 @@ private String parseLinkDestination() {
             dest = scanner.textBetween(start, scanner.position()).toString();
         }
 
-        setPosition(scanner.position());
         return Escaping.unescapeString(dest);
     }
 
     /**
      * Attempt to parse link title (sans quotes), returning the string or null if no match.
      */
-    private String parseLinkTitle() {
-        Scanner scanner = scanner();
+    private String parseLinkTitle(Scanner scanner) {
         Position start = scanner.position();
         if (!LinkScanner.scanLinkTitle(scanner)) {
             return null;
@@ -485,15 +434,13 @@ private String parseLinkTitle() {
         // chop off ', " or parens
         CharSequence rawTitle = scanner.textBetween(start, scanner.position());
         String title = rawTitle.subSequence(1, rawTitle.length() - 1).toString();
-        setPosition(scanner.position());
         return Escaping.unescapeString(title);
     }
 
     /**
      * Attempt to parse a link label, returning the label between the brackets or null.
      */
-    String parseLinkLabel() {
-        Scanner scanner = scanner();
+    String parseLinkLabel(Scanner scanner) {
         if (!scanner.next('[')) {
             return null;
         }
@@ -514,24 +461,26 @@ String parseLinkLabel() {
             return null;
         }
 
-        setPosition(scanner.position());
         return content;
     }
 
     /**
-     * Parse a run of ordinary characters, or a single character with a special meaning in markdown, as a plain string.
+     * Parse a run of non-special characters as plain text.
      */
     private Node parseString() {
-        int begin = index;
-        int length = input.length();
-        while (index != length) {
-            if (specialCharacters.get(input.charAt(index))) {
+        Scanner scanner = scanner();
+        Position start = scanner.position();
+        while (scanner.hasNext()) {
+            if (specialCharacters.get(scanner.peek())) {
                 break;
             }
-            index++;
+            scanner.next();
         }
-        if (begin != index) {
-            return text(input, begin, index);
+
+        String text = scanner.textBetween(start, scanner.position()).toString();
+        if (!text.isEmpty()) {
+            setPosition(scanner.position());
+            return text(text);
         } else {
             return null;
         }
@@ -544,25 +493,20 @@ private Node parseString() {
      * @return information about delimiter run, or {@code null}
      */
     private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char delimiterChar) {
-        int startIndex = index;
+        Scanner scanner = scanner();
+        char charBefore = scanner.peekPrevious();
+        Position start = scanner.position();
 
-        int delimiterCount = 0;
-        while (peek() == delimiterChar) {
-            delimiterCount++;
-            index++;
-        }
+        int delimiterCount = scanner.matchMultiple(delimiterChar);
 
         if (delimiterCount < delimiterProcessor.getMinLength()) {
-            index = startIndex;
+            setPosition(start);
             return null;
         }
 
-        String before = startIndex == 0 ? "\n" :
-                input.substring(startIndex - 1, startIndex);
-
-        char charAfter = peek();
-        String after = charAfter == '\0' ? "\n" :
-                String.valueOf(charAfter);
+        char charAfter = scanner.peek();
+        String before = charBefore == '\0' ? "\n" : String.valueOf(charBefore);
+        String after = charAfter == '\0' ? "\n" : String.valueOf(charAfter);
 
         // We could be more lazy here, in most cases we don't need to do every match case.
         boolean beforeIsPunctuation = PUNCTUATION.matcher(before).matches();
@@ -584,8 +528,9 @@ private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char
             canClose = rightFlanking && delimiterChar == delimiterProcessor.getClosingCharacter();
         }
 
-        index = startIndex;
-        return new DelimiterData(delimiterCount, canOpen, canClose);
+        setPosition(scanner.position());
+        String text = scanner.textBetween(start, scanner.position()).toString();
+        return new DelimiterData(delimiterCount, canOpen, canClose, new Text(text));
     }
 
     private void processDelimiters(Delimiter stackBottom) {
@@ -789,11 +734,13 @@ private static class DelimiterData {
         final int count;
         final boolean canClose;
         final boolean canOpen;
+        final Text text;
 
-        DelimiterData(int count, boolean canOpen, boolean canClose) {
+        DelimiterData(int count, boolean canOpen, boolean canClose, Text text) {
             this.count = count;
             this.canOpen = canOpen;
             this.canClose = canClose;
+            this.text = text;
         }
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index cb87248d1..3db930e0b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -22,6 +22,15 @@ public char peek() {
         }
     }
 
+    public char peekPrevious() {
+        int prev = index - 1;
+        if (prev >= 0 && prev < input.length()) {
+            return input.charAt(prev);
+        } else {
+            return '\0';
+        }
+    }
+
     public boolean hasNext() {
         return index < input.length();
     }

From cc85e20569c931cc72bf0bd8fd5660cdcf69b312 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 30 Jul 2020 20:41:48 +1000
Subject: [PATCH 074/450] Use a list of lines instead of a single string for
 inline parsing

This is a big one, and was only possible because of the new Scanner
infrastructure. This has a couple of advantages:

* Less string copying and garbage because we no longer need to have all
  of a block's content in a single contiguous string, we can keep the lines
  we use for block parsing directly
* Because we have individual lines, we could also keep source positions
  and get source positions for inline nodes :wow:!
---
 .../gfm/tables/internal/TableBlockParser.java |  20 +--
 .../commonmark/internal/DocumentParser.java   |  19 ++-
 .../commonmark/internal/HeadingParser.java    |  40 +++---
 .../commonmark/internal/InlineParserImpl.java | 127 +++++++++++-------
 .../LinkReferenceDefinitionParser.java        |  29 ++--
 .../commonmark/internal/ListBlockParser.java  |   2 +-
 .../commonmark/internal/ParagraphParser.java  |  12 +-
 .../internal/inline/AutolinkInlineParser.java |   2 +-
 .../inline/BackslashInlineParser.java         |   2 +-
 .../inline/BackticksInlineParser.java         |   2 +-
 .../internal/inline/EntityInlineParser.java   |   2 +-
 .../internal/inline/HtmlInlineParser.java     |   3 +-
 .../internal/inline/InlineContentParser.java  |   4 +-
 .../inline/LineBreakInlineContentParser.java  |  39 ------
 .../commonmark/internal/inline/Position.java  |   9 +-
 .../commonmark/internal/inline/Scanner.java   | 108 ++++++++++++---
 .../org/commonmark/internal/util/Parsing.java |  22 ++-
 .../org/commonmark/parser/InlineParser.java   |   7 +-
 .../parser/block/MatchedBlockParser.java      |   9 +-
 .../LinkReferenceDefinitionParserTest.java    |  34 +++--
 .../internal/inline/ScannerTest.java          |  68 +++++++++-
 .../java/org/commonmark/test/ParserTest.java  |   2 +-
 .../org/commonmark/test/SpecialInputTest.java |   7 +
 23 files changed, 358 insertions(+), 211 deletions(-)
 delete mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index 2952a8785..107aa2167 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -1,20 +1,11 @@
 package org.commonmark.ext.gfm.tables.internal;
 
-import org.commonmark.ext.gfm.tables.TableBlock;
-import org.commonmark.ext.gfm.tables.TableBody;
-import org.commonmark.ext.gfm.tables.TableCell;
-import org.commonmark.ext.gfm.tables.TableHead;
-import org.commonmark.ext.gfm.tables.TableRow;
+import org.commonmark.ext.gfm.tables.*;
 import org.commonmark.node.Block;
 import org.commonmark.node.Node;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
-import org.commonmark.parser.block.AbstractBlockParser;
-import org.commonmark.parser.block.AbstractBlockParserFactory;
-import org.commonmark.parser.block.BlockContinue;
-import org.commonmark.parser.block.BlockStart;
-import org.commonmark.parser.block.MatchedBlockParser;
-import org.commonmark.parser.block.ParserState;
+import org.commonmark.parser.block.*;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -116,7 +107,7 @@ private TableCell parseCell(CellSource cell, int column, InlineParser inlinePars
             tableCell.setSourceSpans(Collections.singletonList(cell.sourceSpan));
         }
 
-        inlineParser.parse(cell.content, tableCell);
+        inlineParser.parse(Collections.<CharSequence>singletonList(cell.content), tableCell);
 
         return tableCell;
     }
@@ -246,11 +237,12 @@ public static class Factory extends AbstractBlockParserFactory {
         @Override
         public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
             CharSequence line = state.getLine();
-            CharSequence paragraph = matchedBlockParser.getParagraphContent();
-            if (paragraph != null && paragraph.toString().contains("|") && !paragraph.toString().contains("\n")) {
+            List<CharSequence> paragraphLines = matchedBlockParser.getParagraphLines();
+            if (paragraphLines.size() == 1 && paragraphLines.get(0).toString().contains("|")) {
                 CharSequence separatorLine = line.subSequence(state.getIndex(), line.length());
                 List<TableCell.Alignment> columns = parseSeparator(separatorLine);
                 if (columns != null && !columns.isEmpty()) {
+                    CharSequence paragraph = paragraphLines.get(0);
                     List<CellSource> headerCells = split(paragraph, null);
                     if (columns.size() >= headerCells.size()) {
                         return BlockStart.of(new TableBlockParser(columns, paragraph))
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 51791d90b..5c3cdfd3d 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -425,7 +425,10 @@ private void addLine() {
             }
             sb.append(rest);
             content = sb.toString();
+        } else if (index == 0) {
+            content = line;
         } else {
+            // TODO: Maybe we should bring back Subsequence here?
             content = line.subSequence(index, line.length());
         }
         getActiveBlockParser().addLine(content);
@@ -458,9 +461,8 @@ private BlockStartImpl findBlockStart(BlockParser blockParser) {
     }
 
     /**
-     * Finalize a block. Close it and do any necessary postprocessing, e.g. creating string_content from strings,
-     * setting the 'tight' or 'loose' status of a list, and parsing the beginnings of paragraphs for reference
-     * definitions.
+     * Finalize a block. Close it and do any necessary postprocessing, e.g. setting the content of blocks and
+     * collecting link reference definitions from paragraphs.
      */
     private void finalize(BlockParser blockParser) {
         if (blockParser instanceof ParagraphParser) {
@@ -567,17 +569,12 @@ public BlockParser getMatchedBlockParser() {
         }
 
         @Override
-        public CharSequence getParagraphContent() {
+        public List<CharSequence> getParagraphLines() {
             if (matchedBlockParser instanceof ParagraphParser) {
                 ParagraphParser paragraphParser = (ParagraphParser) matchedBlockParser;
-                CharSequence content = paragraphParser.getContentString();
-                if (content.length() == 0) {
-                    return null;
-                }
-
-                return content;
+                return Collections.unmodifiableList(paragraphParser.getParagraphLines());
             }
-            return null;
+            return Collections.emptyList();
         }
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
index 2b72ba236..88bf002f0 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
@@ -6,12 +6,15 @@
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.block.*;
 
+import java.util.Collections;
+import java.util.List;
+
 public class HeadingParser extends AbstractBlockParser {
 
     private final Heading block = new Heading();
-    private final String content;
+    private final List<CharSequence> content;
 
-    public HeadingParser(int level, String content) {
+    public HeadingParser(int level, List<CharSequence> content) {
         block.setLevel(level);
         this.content = content;
     }
@@ -49,10 +52,9 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
 
             int setextHeadingLevel = getSetextHeadingLevel(line, nextNonSpace);
             if (setextHeadingLevel > 0) {
-                CharSequence paragraph = matchedBlockParser.getParagraphContent();
-                if (paragraph != null) {
-                    String content = paragraph.toString();
-                    return BlockStart.of(new HeadingParser(setextHeadingLevel, content))
+                List<CharSequence> paragraph = matchedBlockParser.getParagraphLines();
+                if (!paragraph.isEmpty()) {
+                    return BlockStart.of(new HeadingParser(setextHeadingLevel, paragraph))
                             .atIndex(line.length())
                             .replaceActiveBlockParser();
                 }
@@ -73,25 +75,29 @@ private static HeadingParser getAtxHeading(CharSequence line, int index) {
             return null;
         }
 
-        int start = index + level;
-        if (start >= line.length()) {
+        int afterMarker = index + level;
+        if (afterMarker >= line.length()) {
             // End of line after markers is an empty heading
-            return new HeadingParser(level, "");
+            return new HeadingParser(level, Collections.<CharSequence>emptyList());
         }
 
-        char next = line.charAt(start);
+        char next = line.charAt(afterMarker);
         if (!(next == ' ' || next == '\t')) {
             return null;
         }
 
-        int beforeSpace = Parsing.skipSpaceTabBackwards(line, line.length() - 1, start);
-        int beforeHash = Parsing.skipBackwards('#', line, beforeSpace, start);
-        int beforeTrailer = Parsing.skipSpaceTabBackwards(line, beforeHash, start);
-        if (beforeTrailer != beforeHash) {
-            return new HeadingParser(level, line.subSequence(start, beforeTrailer + 1).toString());
-        } else {
-            return new HeadingParser(level, line.subSequence(start, beforeSpace + 1).toString());
+        int start = Parsing.skipSpaceTab(line, afterMarker, line.length());
+
+        int beforeSpace = Parsing.skipSpaceTabBackwards(line, line.length() - 1, afterMarker);
+        int beforeHash = Parsing.skipBackwards('#', line, beforeSpace, afterMarker);
+        int beforeTrailer = Parsing.skipSpaceTabBackwards(line, beforeHash, afterMarker);
+        // Trailing `#` need to be separated with at least one space/tab, otherwise they are part of the content.
+        int end = (beforeTrailer < beforeHash) ? beforeTrailer + 1 : beforeSpace + 1;
+        if (start >= end) {
+            // Empty, e.g. `### ###`
+            return new HeadingParser(level, Collections.<CharSequence>emptyList());
         }
+        return new HeadingParser(level, Collections.singletonList(line.subSequence(start, end)));
     }
 
     // spec: A setext heading underline is a sequence of = characters or a sequence of - characters, with no more than
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index cd04ced92..eee25af40 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -4,6 +4,7 @@
 import org.commonmark.internal.inline.*;
 import org.commonmark.internal.util.Escaping;
 import org.commonmark.internal.util.LinkScanner;
+import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.InlineParserContext;
@@ -26,8 +27,11 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
     private final InlineParserContext context;
     private final Map<Character, List<InlineContentParser>> inlineParsers;
 
-    private String input;
+    // TODO: Should we just keep a scanner here instead?
+    private List<CharSequence> lines;
+    private int lineIndex;
     private int index;
+    private int trailingSpaces;
 
     /**
      * Top delimiter (emphasis, strong emphasis or custom emphasis). (Brackets are on a separate stack, different
@@ -45,7 +49,6 @@ public InlineParserImpl(InlineParserContext inlineParserContext) {
 
         this.context = inlineParserContext;
         this.inlineParsers = new HashMap<>();
-        this.inlineParsers.put('\n', Collections.<InlineContentParser>singletonList(new LineBreakInlineContentParser()));
         this.inlineParsers.put('\\', Collections.<InlineContentParser>singletonList(new BackslashInlineParser()));
         this.inlineParsers.put('`', Collections.<InlineContentParser>singletonList(new BackticksInlineParser()));
         this.inlineParsers.put('&', Collections.<InlineContentParser>singletonList(new EntityInlineParser()));
@@ -72,6 +75,7 @@ public static BitSet calculateSpecialCharacters(BitSet delimiterCharacters, Set<
         bitSet.set('[');
         bitSet.set(']');
         bitSet.set('!');
+        bitSet.set('\n');
         return bitSet;
     }
 
@@ -85,7 +89,7 @@ public static Map<Character, DelimiterProcessor> calculateDelimiterProcessors(Li
     // TODO: The implementation shouldn't be public
     @Override
     public Scanner scanner() {
-        return new Scanner(input, index);
+        return new Scanner(lines, lineIndex, index);
     }
 
     private static void addDelimiterProcessors(Iterable<DelimiterProcessor> delimiterProcessors, Map<Character, DelimiterProcessor> map) {
@@ -122,16 +126,14 @@ private static void addDelimiterProcessorForChar(char delimiterChar, DelimiterPr
     }
 
     /**
-     * Parse content in block into inline children, using reference map to resolve references.
+     * Parse content in block into inline children, appending them to the block node.
      */
     @Override
-    public void parse(String content, Node block) {
-        reset(content.trim());
+    public void parse(List<CharSequence> lines, Node block) {
+        reset(lines);
 
-        Node previous = null;
         while (true) {
-            Node node = parseInline(previous);
-            previous = node;
+            Node node = parseInline();
             if (node != null) {
                 block.appendChild(node);
             } else {
@@ -144,12 +146,15 @@ public void parse(String content, Node block) {
     }
 
     void setPosition(Position position) {
+        lineIndex = position.getLineIndex();
         index = position.getIndex();
     }
 
-    void reset(String content) {
-        this.input = content;
+    void reset(List<CharSequence> lines) {
+        this.lines = lines;
+        this.lineIndex = 0;
         this.index = 0;
+        this.trailingSpaces = 0;
         this.lastDelimiter = null;
         this.lastBracket = null;
     }
@@ -163,7 +168,7 @@ private Text text(String text) {
      * On success, return the new inline node.
      * On failure, return null.
      */
-    private Node parseInline(Node previous) {
+    private Node parseInline() {
         Scanner scanner = scanner();
         char c = scanner.peek();
         if (c == '\0') {
@@ -173,8 +178,7 @@ private Node parseInline(Node previous) {
         List<InlineContentParser> inlineParsers = this.inlineParsers.get(c);
         if (inlineParsers != null) {
             for (InlineContentParser inlineParser : inlineParsers) {
-                // TODO: Should we pass the whole previous node or can we make the API surface smaller?
-                ParsedInline parsedInline = inlineParser.tryParse(this, previous);
+                ParsedInline parsedInline = inlineParser.tryParse(this);
                 if (parsedInline instanceof ParsedInlineImpl) {
                     ParsedInlineImpl parsedInlineImpl = (ParsedInlineImpl) parsedInline;
                     setPosition(parsedInlineImpl.getPosition());
@@ -183,37 +187,44 @@ private Node parseInline(Node previous) {
             }
         }
 
-        Node node;
         switch (c) {
             case '[':
-                node = parseOpenBracket();
-                break;
+                return parseOpenBracket();
             case '!':
-                node = parseBang();
-                break;
+                return parseBang();
             case ']':
-                node = parseCloseBracket();
-                break;
-            default:
-                boolean isDelimiter = delimiterCharacters.get(c);
-                if (isDelimiter) {
-                    DelimiterProcessor delimiterProcessor = delimiterProcessors.get(c);
-                    node = parseDelimiters(delimiterProcessor, c);
-                } else {
-                    node = parseString();
-                }
-                break;
+                return parseCloseBracket();
+            case '\n':
+                return parseLineBreak();
         }
-        if (node != null) {
-            return node;
-        } else {
-            scanner.next();
-            setPosition(scanner.position());
-            // When we get here, it's only for a single special character that turned out to not have a special meaning.
-            // So we shouldn't have a single surrogate here, hence it should be ok to turn it into a String.
-            String literal = String.valueOf(c);
-            return text(literal);
+
+        boolean isDelimiter = delimiterCharacters.get(c);
+        if (isDelimiter) {
+            DelimiterProcessor delimiterProcessor = delimiterProcessors.get(c);
+            Node delimiterNode = parseDelimiters(delimiterProcessor, c);
+            if (delimiterNode != null) {
+                return delimiterNode;
+            }
         }
+
+        // If we get here, even for a special/delimiter character, we will just treat it as text.
+        return parseText();
+//        } else {
+//            node = parseString();
+//        }
+//        break;
+//
+//        Node node;
+//        if (node != null) {
+//            return node;
+//        } else {
+//            scanner.next();
+//            setPosition(scanner.position());
+//            // When we get here, it's only for a single special character that turned out to not have a special meaning.
+//            // So we shouldn't have a single surrogate here, hence it should be ok to turn it into a String.
+//            String literal = String.valueOf(c);
+//            return text(literal);
+//        }
     }
 
     /**
@@ -464,12 +475,25 @@ String parseLinkLabel(Scanner scanner) {
         return content;
     }
 
+    private Node parseLineBreak() {
+        Scanner scanner = scanner();
+        scanner.next();
+        setPosition(scanner.position());
+
+        if (trailingSpaces >= 2) {
+            return new HardLineBreak();
+        } else {
+            return new SoftLineBreak();
+        }
+    }
+
     /**
-     * Parse a run of non-special characters as plain text.
+     * Parse the next character as plain text, and possibly more if the following characters are non-special.
      */
-    private Node parseString() {
+    private Node parseText() {
         Scanner scanner = scanner();
         Position start = scanner.position();
+        scanner.next();
         while (scanner.hasNext()) {
             if (specialCharacters.get(scanner.peek())) {
                 break;
@@ -478,12 +502,21 @@ private Node parseString() {
         }
 
         String text = scanner.textBetween(start, scanner.position()).toString();
-        if (!text.isEmpty()) {
-            setPosition(scanner.position());
-            return text(text);
-        } else {
-            return null;
-        }
+        setPosition(scanner.position());
+
+        char c = scanner.peek();
+        if (c == '\n') {
+            // We parsed until the end of the line. Trim any trailing spaces and remember them (for hard line breaks).
+            int end = Parsing.skipBackwards(' ', text, text.length() - 1, 0) + 1;
+            trailingSpaces = text.length() - end;
+            text = text.substring(0, end);
+        } else if (c == '\0') {
+            // For the last line, both tabs and spaces are trimmed for some reason (checked with commonmark.js).
+            int end = Parsing.skipSpaceTabBackwards(text, text.length() - 1, 0) + 1;
+            text = text.substring(0, end);
+        }
+
+        return text(text);
     }
 
     /**
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index a6cd57228..7f257343b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -8,6 +8,7 @@
 import org.commonmark.node.SourceSpan;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 /**
@@ -19,7 +20,7 @@ public class LinkReferenceDefinitionParser {
 
     private State state = State.START_DEFINITION;
 
-    private final StringBuilder paragraph = new StringBuilder();
+    private final List<CharSequence> paragraphLines = new ArrayList<>();
     private final List<LinkReferenceDefinition> definitions = new ArrayList<>();
     private final List<SourceSpan> sourceSpans = new ArrayList<>();
 
@@ -31,20 +32,17 @@ public class LinkReferenceDefinitionParser {
     private boolean referenceValid = false;
 
     public void parse(CharSequence line) {
-        if (paragraph.length() != 0) {
-            paragraph.append('\n');
+        paragraphLines.add(line);
+        if (state == State.PARAGRAPH) {
+            // We're in a paragraph now. Link reference definitions can only appear at the beginning, so once
+            // we're in a paragraph, there's no going back.
+            return;
         }
-        paragraph.append(line);
 
-        Scanner scanner = new Scanner(line, 0);
+        Scanner scanner = new Scanner(Collections.singletonList(line), 0, 0);
         while (scanner.hasNext()) {
             boolean success;
             switch (state) {
-                case PARAGRAPH: {
-                    // We're in a paragraph now. Link reference definitions can only appear at the beginning, so once
-                    // we're in a paragraph, there's no going back.
-                    return;
-                }
                 case START_DEFINITION: {
                     success = startDefinition(scanner);
                     break;
@@ -81,8 +79,11 @@ public void addSourceSpan(SourceSpan sourceSpan) {
         sourceSpans.add(sourceSpan);
     }
 
-    CharSequence getParagraphContent() {
-        return paragraph;
+    /**
+     * @return the lines that are normal paragraph content, without newlines
+     */
+    List<CharSequence> getParagraphLines() {
+        return paragraphLines;
     }
 
     List<SourceSpan> getParagraphSourceSpans() {
@@ -168,7 +169,7 @@ private boolean destination(Scanner scanner) {
             // Destination was at end of line, so this is a valid reference for sure (and maybe a title).
             // If not at end of line, wait for title to be valid first.
             referenceValid = true;
-            paragraph.setLength(0);
+            paragraphLines.clear();
         } else if (whitespace == 0) {
             // spec: The title must be separated from the link destination by whitespace
             return false;
@@ -236,7 +237,7 @@ private boolean title(Scanner scanner) {
         }
         referenceValid = true;
         finishReference();
-        paragraph.setLength(0);
+        paragraphLines.clear();
 
         // See if there's another definition.
         state = State.START_DEFINITION;
diff --git a/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
index de1558f92..1538ca41b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
@@ -210,7 +210,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             }
             int markerIndex = state.getNextNonSpaceIndex();
             int markerColumn = state.getColumn() + state.getIndent();
-            boolean inParagraph = matchedBlockParser.getParagraphContent() != null;
+            boolean inParagraph = !matchedBlockParser.getParagraphLines().isEmpty();
             ListData listData = parseList(state.getLine(), markerIndex, markerColumn, inParagraph);
             if (listData == null) {
                 return BlockStart.none();
diff --git a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
index 7e28cf0fb..8962ec7da 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
@@ -49,7 +49,7 @@ public void addSourceSpan(SourceSpan sourceSpan) {
 
     @Override
     public void closeBlock() {
-        if (linkReferenceDefinitionParser.getParagraphContent().length() == 0) {
+        if (linkReferenceDefinitionParser.getParagraphLines().isEmpty()) {
             block.unlink();
         } else {
             block.setSourceSpans(linkReferenceDefinitionParser.getParagraphSourceSpans());
@@ -58,14 +58,14 @@ public void closeBlock() {
 
     @Override
     public void parseInlines(InlineParser inlineParser) {
-        CharSequence content = linkReferenceDefinitionParser.getParagraphContent();
-        if (content.length() > 0) {
-            inlineParser.parse(content.toString(), block);
+        List<CharSequence> lines = linkReferenceDefinitionParser.getParagraphLines();
+        if (!lines.isEmpty()) {
+            inlineParser.parse(lines, block);
         }
     }
 
-    public CharSequence getContentString() {
-        return linkReferenceDefinitionParser.getParagraphContent();
+    public List<CharSequence> getParagraphLines() {
+        return linkReferenceDefinitionParser.getParagraphLines();
     }
 
     public List<LinkReferenceDefinition> getDefinitions() {
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index acf55a796..7b62d1257 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -18,7 +18,7 @@ public class AutolinkInlineParser implements InlineContentParser {
             .compile("^([a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$");
 
     @Override
-    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+    public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
         scanner.next();
         Position start = scanner.position();
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
index cd87f7399..f57a67a74 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
@@ -16,7 +16,7 @@ public class BackslashInlineParser implements InlineContentParser {
     private static final Pattern ESCAPABLE = Pattern.compile('^' + Escaping.ESCAPABLE);
 
     @Override
-    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+    public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
         // Backslash
         scanner.next();
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index 9979bde86..f00079793 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -11,7 +11,7 @@
 public class BackticksInlineParser implements InlineContentParser {
 
     @Override
-    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+    public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
         Position start = scanner.position();
         int openingTicks = scanner.matchMultiple('`');
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
index d44ee4217..f0c330002 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
@@ -16,7 +16,7 @@ public class EntityInlineParser implements InlineContentParser {
     private static final AsciiMatcher entityContinue = entityStart.newBuilder().range('0', '9').build();
 
     @Override
-    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+    public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
         Position start = scanner.position();
         // Skip `&`
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index 4c25c3e58..6abe12487 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -2,7 +2,6 @@
 
 import org.commonmark.internal.util.AsciiMatcher;
 import org.commonmark.node.HtmlInline;
-import org.commonmark.node.Node;
 
 /**
  * Attempt to parse inline HTML.
@@ -28,7 +27,7 @@ public class HtmlInlineParser implements InlineContentParser {
     private static final AsciiMatcher declaration = AsciiMatcher.builder().range('A', 'Z').build();
 
     @Override
-    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
+    public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
         Position start = scanner.position();
         // Skip over `<`
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
index 76259c444..dc8c43640 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
@@ -1,10 +1,8 @@
 package org.commonmark.internal.inline;
 
-import org.commonmark.node.Node;
-
 // TODO: I'd prefer if this was named InlineParser, but that's already public API, hmm...
 public interface InlineContentParser {
 
-    ParsedInline tryParse(InlineParserState inlineParserState, Node previous);
+    ParsedInline tryParse(InlineParserState inlineParserState);
 
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java
deleted file mode 100644
index 1b85c6eec..000000000
--- a/commonmark/src/main/java/org/commonmark/internal/inline/LineBreakInlineContentParser.java
+++ /dev/null
@@ -1,39 +0,0 @@
-package org.commonmark.internal.inline;
-
-import org.commonmark.internal.util.Parsing;
-import org.commonmark.node.HardLineBreak;
-import org.commonmark.node.Node;
-import org.commonmark.node.SoftLineBreak;
-import org.commonmark.node.Text;
-
-/**
- * Parse a newline. If it was preceded by two spaces, return a hard line break; otherwise a soft line break.
- */
-public class LineBreakInlineContentParser implements InlineContentParser {
-
-    @Override
-    public ParsedInline tryParse(InlineParserState inlineParserState, Node previous) {
-        Scanner scanner = inlineParserState.scanner();
-        scanner.next();
-
-        // Check previous text for trailing spaces.
-        // The "endsWith" is an optimization to avoid an RE match in the common case.
-        if (previous instanceof Text && ((Text) previous).getLiteral().endsWith(" ")) {
-            Text text = (Text) previous;
-            String literal = text.getLiteral();
-            int last = literal.length() - 1;
-            int nonSpace = Parsing.skipBackwards(' ', literal, last, 0);
-            int spaces = last - nonSpace;
-            if (spaces > 0) {
-                text.setLiteral(literal.substring(0, literal.length() - spaces));
-            }
-            if (spaces >= 2) {
-                return ParsedInline.of(new HardLineBreak(), scanner.position());
-            } else {
-                return ParsedInline.of(new SoftLineBreak(), scanner.position());
-            }
-        } else {
-            return ParsedInline.of(new SoftLineBreak(), scanner.position());
-        }
-    }
-}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Position.java b/commonmark/src/main/java/org/commonmark/internal/inline/Position.java
index dff5e36df..4a54cbce6 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Position.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Position.java
@@ -1,12 +1,19 @@
 package org.commonmark.internal.inline;
 
 public class Position {
+    final int lineIndex;
     final int index;
 
-    Position(int index) {
+    Position(int lineIndex, int index) {
+        this.lineIndex = lineIndex;
         this.index = index;
     }
 
+    // TODO: Move packages around so that this can stay package-private
+    public int getLineIndex() {
+        return lineIndex;
+    }
+
     // TODO: Move packages around so that this can stay package-private
     public int getIndex() {
         return index;
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index 3db930e0b..b144ba52a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -1,42 +1,83 @@
 package org.commonmark.internal.inline;
 
 import org.commonmark.internal.util.CharMatcher;
-import org.commonmark.internal.util.Parsing;
+
+import java.util.List;
 
 public class Scanner {
 
-    private final CharSequence input;
+    // Lines without newlines at the end. The scanner will yield `\n` between lines because they're significant for
+    // parsing and the final output. There is no `\n` after the last line.
+    private final List<CharSequence> lines;
+    // Which line we're at.
+    private int lineIndex;
+    // The index within the line. If index == length(), we pretend that there's a `\n` and only advance after we yield
+    // that.
     private int index;
 
+    // Current line or "" if at the end of the lines (using "" instead of null saves a null check)
+    private CharSequence line = "";
+    private int lineLength = 0;
+
     // TODO: Visibility
-    public Scanner(CharSequence input, int index) {
-        this.input = input;
+    public Scanner(List<CharSequence> lines, int lineIndex, int index) {
+        this.lines = lines;
+        this.lineIndex = lineIndex;
         this.index = index;
+        if (!lines.isEmpty()) {
+            line = lines.get(lineIndex);
+            lineLength = line.length();
+        }
     }
 
     public char peek() {
-        if (index >= input.length()) {
-            return '\0';
+        if (index < lineLength) {
+            return line.charAt(index);
         } else {
-            return input.charAt(index);
+            if (lineIndex < lines.size() - 1) {
+                return '\n';
+            } else {
+                // Don't return newline for end of last line
+                return '\0';
+            }
         }
     }
 
     public char peekPrevious() {
-        int prev = index - 1;
-        if (prev >= 0 && prev < input.length()) {
-            return input.charAt(prev);
+        if (index > 0) {
+            int prev = index - 1;
+            return line.charAt(prev);
         } else {
-            return '\0';
+            if (lineIndex > 0) {
+                return '\n';
+            } else {
+                return '\0';
+            }
         }
     }
 
     public boolean hasNext() {
-        return index < input.length();
+        if (index < lineLength) {
+            return true;
+        } else {
+            // No newline at end of last line
+            return lineIndex < lines.size() - 1;
+        }
     }
 
     public void next() {
         index++;
+        if (index > lineLength) {
+            lineIndex++;
+            if (lineIndex < lines.size()) {
+                line = lines.get(lineIndex);
+                lineLength = line.length();
+            } else {
+                line = "";
+                lineLength = 0;
+            }
+            index = 0;
+        }
     }
 
     public boolean next(char c) {
@@ -67,10 +108,22 @@ public int match(CharMatcher matcher) {
     }
 
     public int whitespace() {
-        int newIndex = Parsing.skipWhitespace(input, index, input.length());
-        int count = newIndex - index;
-        index = newIndex;
-        return count;
+        int count = 0;
+        while (true) {
+            switch (peek()) {
+                case ' ':
+                case '\t':
+                case '\n':
+                case '\u000B':
+                case '\f':
+                case '\r':
+                    count++;
+                    next();
+                    break;
+                default:
+                    return count;
+            }
+        }
     }
 
     public int find(char c) {
@@ -104,12 +157,31 @@ public int find(CharMatcher matcher) {
     // Don't expose the int index, because it would be good if we could switch input to a List<String> of lines later
     // instead of one contiguous String.
     public Position position() {
-        return new Position(index);
+        return new Position(lineIndex, index);
     }
 
     // For cases where the caller appends the result to a StringBuilder, we could offer another method to avoid some
     // unnecessary copying.
     public CharSequence textBetween(Position begin, Position end) {
-        return input.subSequence(begin.index, end.index);
+        if (begin.lineIndex == end.lineIndex) {
+            // Shortcut for common case of text from a single line
+            return lines.get(begin.lineIndex).subSequence(begin.index, end.index);
+        } else {
+            StringBuilder sb = new StringBuilder();
+
+            CharSequence firstLine = lines.get(begin.lineIndex);
+            sb.append(firstLine.subSequence(begin.index, firstLine.length()));
+            sb.append('\n');
+
+            // Lines between begin and end (we are appending the full line)
+            for (int line = begin.lineIndex + 1; line < end.lineIndex; line++) {
+                sb.append(lines.get(line));
+                sb.append('\n');
+            }
+
+            CharSequence lastLine = lines.get(end.lineIndex);
+            sb.append(lastLine.subSequence(0, end.index));
+            return sb.toString();
+        }
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
index 10be523bb..eb7dddb0d 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
@@ -120,18 +120,16 @@ public static CharSequence prepareLine(CharSequence line) {
         int length = line.length();
         for (int i = 0; i < length; i++) {
             char c = line.charAt(i);
-            switch (c) {
-                case '\0':
-                    if (sb == null) {
-                        sb = new StringBuilder(length);
-                        sb.append(line, 0, i);
-                    }
-                    sb.append('\uFFFD');
-                    break;
-                default:
-                    if (sb != null) {
-                        sb.append(c);
-                    }
+            if (c == '\0') {
+                if (sb == null) {
+                    sb = new StringBuilder(length);
+                    sb.append(line, 0, i);
+                }
+                sb.append('\uFFFD');
+            } else {
+                if (sb != null) {
+                    sb.append(c);
+                }
             }
         }
 
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParser.java b/commonmark/src/main/java/org/commonmark/parser/InlineParser.java
index 492c3cc8a..291fd4900 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParser.java
@@ -2,14 +2,17 @@
 
 import org.commonmark.node.Node;
 
+import java.util.List;
+
 /**
  * Parser for inline content (text, links, emphasized text, etc).
  */
 public interface InlineParser {
 
     /**
-     * @param input the content to parse as inline
+     * @param lines the content to parse as inline
      * @param node the node to append resulting nodes to (as children)
      */
-    void parse(String input, Node node);
+    // TODO: Should we use a better type here, one that will be able to include source positions?
+    void parse(List<CharSequence> lines, Node node);
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java
index d4cd9d471..41ba2712b 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java
@@ -1,5 +1,7 @@
 package org.commonmark.parser.block;
 
+import java.util.List;
+
 /**
  * Open block parser that was last matched during the continue phase. This is different from the currently active
  * block parser, as an unmatched block is only closed when a new block is started.
@@ -10,11 +12,10 @@ public interface MatchedBlockParser {
     BlockParser getMatchedBlockParser();
 
     /**
-     * Returns the current content of the paragraph if the matched block is a paragraph. The content can be multiple
-     * lines separated by {@code '\n'}.
+     * Returns the current paragraph lines if the matched block is a paragraph.
      *
-     * @return paragraph content or {@code null}
+     * @return paragraph content or an empty list
      */
-    CharSequence getParagraphContent();
+    List<CharSequence> getParagraphLines();
 
 }
diff --git a/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java b/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
index f0bdef492..3b9ae83dc 100644
--- a/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
@@ -12,9 +12,7 @@ public class LinkReferenceDefinitionParserTest {
 
     @Test
     public void testStartLabel() {
-        parser.parse("[");
-        assertEquals(State.LABEL, parser.getState());
-        assertEquals("[", parser.getParagraphContent().toString());
+        assertState("[", State.LABEL, "[");
     }
 
     @Test
@@ -25,7 +23,7 @@ public void testStartNoLabel() {
         parser.parse("a");
         parser.parse("[");
         assertEquals(State.PARAGRAPH, parser.getState());
-        assertEquals("a\n[", parser.getParagraphContent().toString());
+        assertParagraphLines("a\n[", parser);
     }
 
     @Test
@@ -80,7 +78,7 @@ public void testDestination() {
         LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
         parser.parse("[foo]: /url");
         assertEquals(State.START_TITLE, parser.getState());
-        assertEquals("", parser.getParagraphContent().toString());
+        assertParagraphLines("", parser);
 
         assertEquals(1, parser.getDefinitions().size());
         assertDef(parser.getDefinitions().get(0), "foo", "/url", null);
@@ -99,7 +97,7 @@ public void testTitle() {
         LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
         parser.parse("[foo]: /url 'title'");
         assertEquals(State.START_DEFINITION, parser.getState());
-        assertEquals("", parser.getParagraphContent().toString());
+        assertParagraphLines("", parser);
 
         assertEquals(1, parser.getDefinitions().size());
         assertDef(parser.getDefinitions().get(0), "foo", "/url", "title");
@@ -110,12 +108,12 @@ public void testTitleStartWhitespace() {
         LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
         parser.parse("[foo]: /url");
         assertEquals(State.START_TITLE, parser.getState());
-        assertEquals("", parser.getParagraphContent().toString());
+        assertParagraphLines("", parser);
 
         parser.parse("   ");
 
         assertEquals(State.START_DEFINITION, parser.getState());
-        assertEquals("   ", parser.getParagraphContent().toString());
+        assertParagraphLines("   ", parser);
 
         assertEquals(1, parser.getDefinitions().size());
         assertDef(parser.getDefinitions().get(0), "foo", "/url", null);
@@ -126,17 +124,17 @@ public void testTitleMultiline() {
         LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
         parser.parse("[foo]: /url 'two");
         assertEquals(State.TITLE, parser.getState());
-        assertEquals("[foo]: /url 'two", parser.getParagraphContent().toString());
+        assertParagraphLines("[foo]: /url 'two", parser);
         assertEquals(0, parser.getDefinitions().size());
 
         parser.parse("lines");
         assertEquals(State.TITLE, parser.getState());
-        assertEquals("[foo]: /url 'two\nlines", parser.getParagraphContent().toString());
+        assertParagraphLines("[foo]: /url 'two\nlines", parser);
         assertEquals(0, parser.getDefinitions().size());
 
         parser.parse("'");
         assertEquals(State.START_DEFINITION, parser.getState());
-        assertEquals("", parser.getParagraphContent().toString());
+        assertParagraphLines("", parser);
 
         assertEquals(1, parser.getDefinitions().size());
         assertDef(parser.getDefinitions().get(0), "foo", "/url", "two\nlines\n");
@@ -168,7 +166,7 @@ private static void assertState(String input, State state, String paragraphConte
         LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
         parser.parse(input);
         assertEquals(state, parser.getState());
-        assertEquals(paragraphContent, parser.getParagraphContent().toString());
+        assertParagraphLines(paragraphContent, parser);
     }
 
     private static void assertDef(LinkReferenceDefinition def, String label, String destination, String title) {
@@ -176,4 +174,16 @@ private static void assertDef(LinkReferenceDefinition def, String label, String
         assertEquals(destination, def.getDestination());
         assertEquals(title, def.getTitle());
     }
+
+    private static void assertParagraphLines(String expectedContent, LinkReferenceDefinitionParser parser) {
+        StringBuilder sb = new StringBuilder();
+        for (CharSequence line : parser.getParagraphLines()) {
+            if (sb.length() != 0) {
+                sb.append('\n');
+            }
+            sb.append(line);
+        }
+        String actual = sb.toString();
+        assertEquals(expectedContent, actual);
+    }
 }
diff --git a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
index ed8e958ad..798330e8d 100644
--- a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
@@ -2,13 +2,16 @@
 
 import org.junit.Test;
 
-import static org.junit.Assert.assertEquals;
+import java.util.Arrays;
+import java.util.Collections;
+
+import static org.junit.Assert.*;
 
 public class ScannerTest {
-    
+
     @Test
     public void testNext() {
-        Scanner scanner = new Scanner("foo bar", 4);
+        Scanner scanner = new Scanner(Collections.<CharSequence>singletonList("foo bar"), 0, 4);
         assertEquals('b', scanner.peek());
         scanner.next();
         assertEquals('a', scanner.peek());
@@ -17,4 +20,63 @@ public void testNext() {
         scanner.next();
         assertEquals('\0', scanner.peek());
     }
+
+    @Test
+    public void testMultipleLines() {
+        Scanner scanner = new Scanner(Arrays.<CharSequence>asList("ab", "cde"), 0, 0);
+        assertTrue(scanner.hasNext());
+        assertEquals('\0', scanner.peekPrevious());
+        assertEquals('a', scanner.peek());
+        scanner.next();
+
+        assertTrue(scanner.hasNext());
+        assertEquals('a', scanner.peekPrevious());
+        assertEquals('b', scanner.peek());
+        scanner.next();
+
+        assertTrue(scanner.hasNext());
+        assertEquals('b', scanner.peekPrevious());
+        assertEquals('\n', scanner.peek());
+        scanner.next();
+
+        assertTrue(scanner.hasNext());
+        assertEquals('\n', scanner.peekPrevious());
+        assertEquals('c', scanner.peek());
+        scanner.next();
+
+        assertTrue(scanner.hasNext());
+        assertEquals('c', scanner.peekPrevious());
+        assertEquals('d', scanner.peek());
+        scanner.next();
+
+        assertTrue(scanner.hasNext());
+        assertEquals('d', scanner.peekPrevious());
+        assertEquals('e', scanner.peek());
+        scanner.next();
+
+        assertFalse(scanner.hasNext());
+        assertEquals('e', scanner.peekPrevious());
+        assertEquals('\0', scanner.peek());
+    }
+
+    @Test
+    public void testTextBetween() {
+        Scanner scanner = new Scanner(Arrays.<CharSequence>asList("ab", "cde"), 0, 0);
+        Position start = scanner.position();
+        scanner.next();
+        assertEquals("a", scanner.textBetween(start, scanner.position()));
+        Position afterA = scanner.position();
+        scanner.next();
+        assertEquals("ab", scanner.textBetween(start, scanner.position()));
+        scanner.next();
+        assertEquals("ab\n", scanner.textBetween(start, scanner.position()));
+        scanner.next();
+        assertEquals("ab\nc", scanner.textBetween(start, scanner.position()));
+        scanner.next();
+        assertEquals("ab\ncd", scanner.textBetween(start, scanner.position()));
+        scanner.next();
+        assertEquals("ab\ncde", scanner.textBetween(start, scanner.position()));
+
+        assertEquals("b\ncde", scanner.textBetween(afterA, scanner.position()));
+    }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index e058de378..216bdeefe 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -103,7 +103,7 @@ public void indentation() {
     public void inlineParser() {
         final InlineParser fakeInlineParser = new InlineParser() {
             @Override
-            public void parse(String input, Node node) {
+            public void parse(List<CharSequence> lines, Node node) {
                 node.appendChild(new ThematicBreak());
             }
         };
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
index a70127a72..2b19db3db 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
@@ -167,4 +167,11 @@ public void deeplyIndentedList() {
                         "</li>\n" +
                         "</ul>\n");
     }
+
+    @Test
+    public void trailingTabs() {
+        // The tab is not treated as 4 spaces here and so does not result in a hard line break, but is just preserved.
+        // This matches what commonmark.js did at the time of writing.
+        assertRendering("a\t\nb\n", "<p>a\t\nb</p>\n");
+    }
 }

From aa9590c7af7d6695f2e8c3f686dccfde06126644 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 3 Aug 2020 17:14:01 +1000
Subject: [PATCH 075/450] Keep a single Scanner instance

This avoids a lot of copying (we still need to copy the position
though). In exchange, we need to be more careful and reset the position
if we want to backtrack.
---
 .../commonmark/internal/DocumentParser.java   |  1 -
 .../commonmark/internal/InlineParserImpl.java | 69 +++++--------------
 .../LinkReferenceDefinitionParser.java        |  3 +-
 .../internal/inline/InlineParserState.java    |  7 ++
 .../commonmark/internal/inline/Scanner.java   | 44 +++++++++---
 5 files changed, 62 insertions(+), 62 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 5c3cdfd3d..58b390b63 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -428,7 +428,6 @@ private void addLine() {
         } else if (index == 0) {
             content = line;
         } else {
-            // TODO: Maybe we should bring back Subsequence here?
             content = line.subSequence(index, line.length());
         }
         getActiveBlockParser().addLine(content);
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index eee25af40..5383d9827 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -27,10 +27,7 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
     private final InlineParserContext context;
     private final Map<Character, List<InlineContentParser>> inlineParsers;
 
-    // TODO: Should we just keep a scanner here instead?
-    private List<CharSequence> lines;
-    private int lineIndex;
-    private int index;
+    private Scanner scanner;
     private int trailingSpaces;
 
     /**
@@ -86,10 +83,9 @@ public static Map<Character, DelimiterProcessor> calculateDelimiterProcessors(Li
         return map;
     }
 
-    // TODO: The implementation shouldn't be public
     @Override
     public Scanner scanner() {
-        return new Scanner(lines, lineIndex, index);
+        return scanner;
     }
 
     private static void addDelimiterProcessors(Iterable<DelimiterProcessor> delimiterProcessors, Map<Character, DelimiterProcessor> map) {
@@ -145,15 +141,8 @@ public void parse(List<CharSequence> lines, Node block) {
         mergeChildTextNodes(block);
     }
 
-    void setPosition(Position position) {
-        lineIndex = position.getLineIndex();
-        index = position.getIndex();
-    }
-
     void reset(List<CharSequence> lines) {
-        this.lines = lines;
-        this.lineIndex = 0;
-        this.index = 0;
+        this.scanner = Scanner.of(lines);
         this.trailingSpaces = 0;
         this.lastDelimiter = null;
         this.lastBracket = null;
@@ -169,20 +158,23 @@ private Text text(String text) {
      * On failure, return null.
      */
     private Node parseInline() {
-        Scanner scanner = scanner();
         char c = scanner.peek();
         if (c == '\0') {
             return null;
         }
 
+        Position position = scanner.position();
         List<InlineContentParser> inlineParsers = this.inlineParsers.get(c);
         if (inlineParsers != null) {
             for (InlineContentParser inlineParser : inlineParsers) {
                 ParsedInline parsedInline = inlineParser.tryParse(this);
                 if (parsedInline instanceof ParsedInlineImpl) {
                     ParsedInlineImpl parsedInlineImpl = (ParsedInlineImpl) parsedInline;
-                    setPosition(parsedInlineImpl.getPosition());
+                    scanner.setPosition(parsedInlineImpl.getPosition());
                     return parsedInlineImpl.getNode();
+                } else {
+                    // Reset position
+                    scanner.setPosition(position);
                 }
             }
         }
@@ -209,22 +201,6 @@ private Node parseInline() {
 
         // If we get here, even for a special/delimiter character, we will just treat it as text.
         return parseText();
-//        } else {
-//            node = parseString();
-//        }
-//        break;
-//
-//        Node node;
-//        if (node != null) {
-//            return node;
-//        } else {
-//            scanner.next();
-//            setPosition(scanner.position());
-//            // When we get here, it's only for a single special character that turned out to not have a special meaning.
-//            // So we shouldn't have a single surrogate here, hence it should be ok to turn it into a String.
-//            String literal = String.valueOf(c);
-//            return text(literal);
-//        }
     }
 
     /**
@@ -253,10 +229,8 @@ private Node parseDelimiters(DelimiterProcessor delimiterProcessor, char delimit
      * Add open bracket to delimiter stack and add a text node to block's children.
      */
     private Node parseOpenBracket() {
-        Scanner scanner = scanner();
         scanner.next();
         Position start = scanner.position();
-        setPosition(start);
 
         Text node = text("[");
 
@@ -271,18 +245,14 @@ private Node parseOpenBracket() {
      * Otherwise just add a text node.
      */
     private Node parseBang() {
-        Scanner scanner = scanner();
         scanner.next();
         if (scanner.next('[')) {
             Text node = text("![");
 
             // Add entry to stack for this opener
             addBracket(Bracket.image(node, scanner.position(), lastBracket, lastDelimiter));
-
-            setPosition(scanner.position());
             return node;
         } else {
-            setPosition(scanner.position());
             return text("!");
         }
     }
@@ -292,10 +262,9 @@ private Node parseBang() {
      * plain [ character. If there is a matching delimiter, remove it from the delimiter stack.
      */
     private Node parseCloseBracket() {
-        Scanner scanner = scanner();
         Position beforeClose = scanner.position();
         scanner.next();
-        setPosition(scanner.position());
+        Position afterClose = scanner.position();
 
         // Get previous `[` or `![`
         Bracket opener = lastBracket;
@@ -318,7 +287,9 @@ private Node parseCloseBracket() {
         if (scanner.next('(')) {
             scanner.whitespace();
             dest = parseLinkDestination(scanner);
-            if (dest != null) {
+            if (dest == null) {
+                scanner.setPosition(afterClose);
+            } else {
                 int whitespace = scanner.whitespace();
                 // title needs a whitespace before
                 if (whitespace >= 1) {
@@ -328,7 +299,7 @@ private Node parseCloseBracket() {
                 if (!scanner.next(')')) {
                     // Don't have a closing `)`, so it's not a destination and title -> reset.
                     // Note that something like `[foo](` could be valid, `(` will just be text.
-                    scanner = scanner();
+                    scanner.setPosition(afterClose);
                     dest = null;
                     title = null;
                 }
@@ -341,6 +312,9 @@ private Node parseCloseBracket() {
         if (dest == null) {
             // See if there's a link label like `[bar]` or `[]`
             String ref = parseLinkLabel(scanner);
+            if (ref == null) {
+                scanner.setPosition(afterClose);
+            }
             if ((ref == null || ref.isEmpty()) && !opener.bracketAfter) {
                 // If the second label is empty `[foo][]` or missing `[foo]`, then the first label is the reference.
                 // But it can only be a reference when there's no (unescaped) bracket in it.
@@ -388,14 +362,13 @@ private Node parseCloseBracket() {
                 }
             }
 
-            setPosition(scanner.position());
-
             return linkOrImage;
 
         } else {
             // No link or image, parse just the bracket as text and continue
             removeLastBracket();
 
+            scanner.setPosition(afterClose);
             return text("]");
         }
     }
@@ -476,9 +449,7 @@ String parseLinkLabel(Scanner scanner) {
     }
 
     private Node parseLineBreak() {
-        Scanner scanner = scanner();
         scanner.next();
-        setPosition(scanner.position());
 
         if (trailingSpaces >= 2) {
             return new HardLineBreak();
@@ -491,7 +462,6 @@ private Node parseLineBreak() {
      * Parse the next character as plain text, and possibly more if the following characters are non-special.
      */
     private Node parseText() {
-        Scanner scanner = scanner();
         Position start = scanner.position();
         scanner.next();
         while (scanner.hasNext()) {
@@ -502,7 +472,6 @@ private Node parseText() {
         }
 
         String text = scanner.textBetween(start, scanner.position()).toString();
-        setPosition(scanner.position());
 
         char c = scanner.peek();
         if (c == '\n') {
@@ -526,14 +495,13 @@ private Node parseText() {
      * @return information about delimiter run, or {@code null}
      */
     private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char delimiterChar) {
-        Scanner scanner = scanner();
         char charBefore = scanner.peekPrevious();
         Position start = scanner.position();
 
         int delimiterCount = scanner.matchMultiple(delimiterChar);
 
         if (delimiterCount < delimiterProcessor.getMinLength()) {
-            setPosition(start);
+            scanner.setPosition(start);
             return null;
         }
 
@@ -561,7 +529,6 @@ private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char
             canClose = rightFlanking && delimiterChar == delimiterProcessor.getClosingCharacter();
         }
 
-        setPosition(scanner.position());
         String text = scanner.textBetween(start, scanner.position()).toString();
         return new DelimiterData(delimiterCount, canOpen, canClose, new Text(text));
     }
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index 7f257343b..950fc31c8 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -8,7 +8,6 @@
 import org.commonmark.node.SourceSpan;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 /**
@@ -39,7 +38,7 @@ public void parse(CharSequence line) {
             return;
         }
 
-        Scanner scanner = new Scanner(Collections.singletonList(line), 0, 0);
+        Scanner scanner = Scanner.of(line);
         while (scanner.hasNext()) {
             boolean success;
             switch (state) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
index 9a6ef7d19..f6cb6bf49 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
@@ -2,5 +2,12 @@
 
 public interface InlineParserState {
 
+    /**
+     * Return a scanner for the input for the current position (on the character that the inline parser registered
+     * interest for).
+     * <p>
+     * Note that this always returns the same instance, if you want to backtrack you need to use
+     * {@link Scanner#position()} and {@link Scanner#setPosition(Position)}.
+     */
     Scanner scanner();
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index b144ba52a..a96493d7c 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.internal.util.CharMatcher;
 
+import java.util.Collections;
 import java.util.List;
 
 public class Scanner {
@@ -19,17 +20,24 @@ public class Scanner {
     private CharSequence line = "";
     private int lineLength = 0;
 
-    // TODO: Visibility
-    public Scanner(List<CharSequence> lines, int lineIndex, int index) {
+    Scanner(List<CharSequence> lines, int lineIndex, int index) {
         this.lines = lines;
         this.lineIndex = lineIndex;
         this.index = index;
         if (!lines.isEmpty()) {
-            line = lines.get(lineIndex);
-            lineLength = line.length();
+            checkPosition(lineIndex, index);
+            setLine(lines.get(lineIndex));
         }
     }
 
+    public static Scanner of(List<CharSequence> lines) {
+        return new Scanner(lines, 0, 0);
+    }
+
+    public static Scanner of(CharSequence line) {
+        return new Scanner(Collections.singletonList(line), 0, 0);
+    }
+
     public char peek() {
         if (index < lineLength) {
             return line.charAt(index);
@@ -70,11 +78,9 @@ public void next() {
         if (index > lineLength) {
             lineIndex++;
             if (lineIndex < lines.size()) {
-                line = lines.get(lineIndex);
-                lineLength = line.length();
+                setLine(lines.get(lineIndex));
             } else {
-                line = "";
-                lineLength = 0;
+                setLine("");
             }
             index = 0;
         }
@@ -160,6 +166,13 @@ public Position position() {
         return new Position(lineIndex, index);
     }
 
+    public void setPosition(Position position) {
+        checkPosition(position.lineIndex, position.index);
+        this.lineIndex = position.lineIndex;
+        this.index = position.index;
+        setLine(lines.get(this.lineIndex));
+    }
+
     // For cases where the caller appends the result to a StringBuilder, we could offer another method to avoid some
     // unnecessary copying.
     public CharSequence textBetween(Position begin, Position end) {
@@ -184,4 +197,19 @@ public CharSequence textBetween(Position begin, Position end) {
             return sb.toString();
         }
     }
+
+    private void setLine(CharSequence line) {
+        this.line = line;
+        this.lineLength = line.length();
+    }
+
+    private void checkPosition(int lineIndex, int index) {
+        if (lineIndex < 0 || lineIndex >= lines.size()) {
+            throw new IllegalArgumentException("Line index " + lineIndex + " out of range, number of lines: " + lines.size());
+        }
+        CharSequence line = lines.get(lineIndex);
+        if (index < 0 || index > line.length()) {
+            throw new IllegalArgumentException("Index " + index + " out of range, line length: " + line.length());
+        }
+    }
 }

From c5fc1f75e614461219df9dee9715f314a3b2df55 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 3 Aug 2020 17:26:32 +1000
Subject: [PATCH 076/450] Add Scanner.END constant

---
 .../commonmark/internal/InlineParserImpl.java    |  8 ++++----
 .../org/commonmark/internal/inline/Scanner.java  | 16 ++++++++++++----
 2 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 5383d9827..dedf68599 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -159,7 +159,7 @@ private Text text(String text) {
      */
     private Node parseInline() {
         char c = scanner.peek();
-        if (c == '\0') {
+        if (c == Scanner.END) {
             return null;
         }
 
@@ -479,7 +479,7 @@ private Node parseText() {
             int end = Parsing.skipBackwards(' ', text, text.length() - 1, 0) + 1;
             trailingSpaces = text.length() - end;
             text = text.substring(0, end);
-        } else if (c == '\0') {
+        } else if (c == Scanner.END) {
             // For the last line, both tabs and spaces are trimmed for some reason (checked with commonmark.js).
             int end = Parsing.skipSpaceTabBackwards(text, text.length() - 1, 0) + 1;
             text = text.substring(0, end);
@@ -506,8 +506,8 @@ private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char
         }
 
         char charAfter = scanner.peek();
-        String before = charBefore == '\0' ? "\n" : String.valueOf(charBefore);
-        String after = charAfter == '\0' ? "\n" : String.valueOf(charAfter);
+        String before = charBefore == Scanner.END ? "\n" : String.valueOf(charBefore);
+        String after = charAfter == Scanner.END ? "\n" : String.valueOf(charAfter);
 
         // We could be more lazy here, in most cases we don't need to do every match case.
         boolean beforeIsPunctuation = PUNCTUATION.matcher(before).matches();
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index a96493d7c..7c1076e2d 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -7,6 +7,14 @@
 
 public class Scanner {
 
+    /**
+     * Character representing the end of input (or outside of the text in case of the "previous" methods).
+     * <p>
+     * Note that we can use NULL to represent this because CommonMark does not allow those in the input (we replace them
+     * in the beginning of parsing).
+     */
+    public static final char END = '\0';
+
     // Lines without newlines at the end. The scanner will yield `\n` between lines because they're significant for
     // parsing and the final output. There is no `\n` after the last line.
     private final List<CharSequence> lines;
@@ -46,7 +54,7 @@ public char peek() {
                 return '\n';
             } else {
                 // Don't return newline for end of last line
-                return '\0';
+                return END;
             }
         }
     }
@@ -59,7 +67,7 @@ public char peekPrevious() {
             if (lineIndex > 0) {
                 return '\n';
             } else {
-                return '\0';
+                return END;
             }
         }
     }
@@ -136,7 +144,7 @@ public int find(char c) {
         int count = 0;
         while (true) {
             char cur = peek();
-            if (cur == '\0') {
+            if (cur == Scanner.END) {
                 return -1;
             } else if (cur == c) {
                 return count;
@@ -150,7 +158,7 @@ public int find(CharMatcher matcher) {
         int count = 0;
         while (true) {
             char c = peek();
-            if (c == '\0') {
+            if (c == END) {
                 return -1;
             } else if (matcher.matches(c)) {
                 return count;

From 62ee2b6435c3b29a1d4b5280d2fec99f9633af70 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 3 Aug 2020 17:53:25 +1000
Subject: [PATCH 077/450] Add Scanner.next(String)

---
 .../internal/inline/HtmlInlineParser.java     | 24 ++++++----------
 .../commonmark/internal/inline/Scanner.java   | 28 +++++++++++++++++++
 .../internal/inline/ScannerTest.java          | 11 ++++++++
 3 files changed, 47 insertions(+), 16 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index 6abe12487..1fe20ecb8 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -151,24 +151,15 @@ private static boolean tryComment(Scanner scanner) {
             return false;
         }
 
-        if (scanner.next('>')) {
+        if (scanner.next('>') || scanner.next("->")) {
             return false;
         }
 
-        if (scanner.next('-')) {
-            // Can't start with ->
-            if (scanner.next('>')) {
-                return false;
-            }
-            // Empty comment
-            if (scanner.next('-')) {
-                return scanner.next('>');
-            }
-        }
-
         while (scanner.find('-') >= 0) {
-            if (scanner.next('-') && scanner.next('-')) {
+            if (scanner.next("--")) {
                 return scanner.next('>');
+            } else {
+                scanner.next();
             }
         }
 
@@ -182,11 +173,12 @@ private static boolean tryCdata(Scanner scanner) {
         // Skip `[`
         scanner.next();
 
-        if (scanner.next('C') && scanner.next('D') && scanner.next('A') && scanner.next('T') && scanner.next('A')
-                && scanner.next('[')) {
+        if (scanner.next("CDATA[")) {
             while (scanner.find(']') >= 0) {
-                if (scanner.next(']') && scanner.next(']') && scanner.next('>')) {
+                if (scanner.next("]]>")) {
                     return true;
+                } else {
+                    scanner.next();
                 }
             }
         }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index 7c1076e2d..5f6b30f00 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -94,6 +94,12 @@ public void next() {
         }
     }
 
+    /**
+     * Check if the specified char is next and advance the position.
+     *
+     * @param c the char to check (including newline characters)
+     * @return true if matched and position was advanced, false otherwise
+     */
     public boolean next(char c) {
         if (peek() == c) {
             next();
@@ -103,6 +109,28 @@ public boolean next(char c) {
         }
     }
 
+    /**
+     * Check if we have the specified content on the line and advanced the position. Note that if you want to match
+     * newline characters, use {@link #next(char)}.
+     *
+     * @param content the text content to match on a single line (excluding newline characters)
+     * @return true if matched and position was advanced, false otherwise
+     */
+    public boolean next(String content) {
+        if (index < lineLength && index + content.length() <= lineLength) {
+            // Can't use startsWith because it's not available on CharSequence
+            for (int i = 0; i < content.length(); i++) {
+                if (line.charAt(index + i) != content.charAt(i)) {
+                    return false;
+                }
+            }
+            index += content.length();
+            return true;
+        } else {
+            return false;
+        }
+    }
+
     public int matchMultiple(char c) {
         int count = 0;
         while (peek() == c) {
diff --git a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
index 798330e8d..c68140a71 100644
--- a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
@@ -79,4 +79,15 @@ public void testTextBetween() {
 
         assertEquals("b\ncde", scanner.textBetween(afterA, scanner.position()));
     }
+
+    @Test
+    public void nextString() {
+        Scanner scanner = Scanner.of(Arrays.<CharSequence>asList("hey ya", "hi"));
+        assertFalse(scanner.next("hoy"));
+        assertTrue(scanner.next("hey"));
+        assertTrue(scanner.next(' '));
+        assertFalse(scanner.next("yo"));
+        assertTrue(scanner.next("ya"));
+        assertFalse(scanner.next(" "));
+    }
 }

From 733739ff5a262f1095820787dfc9ffe468bbba96 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Tue, 4 Aug 2020 15:50:04 +1000
Subject: [PATCH 078/450] Clean up some comments

---
 .../internal/inline/InlineContentParser.java      |  2 --
 .../org/commonmark/internal/inline/Position.java  | 15 +++++----------
 .../commonmark/internal/util/AsciiMatcher.java    |  1 -
 3 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
index dc8c43640..755ee3135 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
@@ -1,8 +1,6 @@
 package org.commonmark.internal.inline;
 
-// TODO: I'd prefer if this was named InlineParser, but that's already public API, hmm...
 public interface InlineContentParser {
 
     ParsedInline tryParse(InlineParserState inlineParserState);
-
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Position.java b/commonmark/src/main/java/org/commonmark/internal/inline/Position.java
index 4a54cbce6..5f06a063a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Position.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Position.java
@@ -1,6 +1,11 @@
 package org.commonmark.internal.inline;
 
+/**
+ * Position within a {@link Scanner}. This is intentionally kept opaque so as not to expose the internal structure of
+ * the Scanner.
+ */
 public class Position {
+
     final int lineIndex;
     final int index;
 
@@ -8,14 +13,4 @@ public class Position {
         this.lineIndex = lineIndex;
         this.index = index;
     }
-
-    // TODO: Move packages around so that this can stay package-private
-    public int getLineIndex() {
-        return lineIndex;
-    }
-
-    // TODO: Move packages around so that this can stay package-private
-    public int getIndex() {
-        return index;
-    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java b/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
index 0e7ab345e..82d83ca46 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
@@ -3,7 +3,6 @@
 import java.util.BitSet;
 
 public class AsciiMatcher implements CharMatcher {
-    // TODO: Check if boolean[] is faster, see BitClass in java.util.regex.Pattern
     private final BitSet set;
 
     private AsciiMatcher(Builder builder) {

From 868d81c471e5b463b67295afe4321048c3722f1f Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Tue, 8 Sep 2020 16:16:54 +1000
Subject: [PATCH 079/450] Remove TODO, fix trimming in tables after rebasing

---
 .../commonmark/ext/gfm/tables/internal/TableBlockParser.java    | 2 +-
 .../src/main/java/org/commonmark/parser/InlineParser.java       | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index 107aa2167..77bd61b3a 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -107,7 +107,7 @@ private TableCell parseCell(CellSource cell, int column, InlineParser inlinePars
             tableCell.setSourceSpans(Collections.singletonList(cell.sourceSpan));
         }
 
-        inlineParser.parse(Collections.<CharSequence>singletonList(cell.content), tableCell);
+        inlineParser.parse(Collections.<CharSequence>singletonList(cell.content.trim()), tableCell);
 
         return tableCell;
     }
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParser.java b/commonmark/src/main/java/org/commonmark/parser/InlineParser.java
index 291fd4900..cbebdc25a 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParser.java
@@ -13,6 +13,5 @@ public interface InlineParser {
      * @param lines the content to parse as inline
      * @param node the node to append resulting nodes to (as children)
      */
-    // TODO: Should we use a better type here, one that will be able to include source positions?
     void parse(List<CharSequence> lines, Node node);
 }

From ee816826404c49f068e7ae79fbafe17ebdf84761 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 10 Sep 2020 20:50:04 +1000
Subject: [PATCH 080/450] WIP inline source spans

---
 .../gfm/tables/internal/TableBlockParser.java | 10 ++-
 .../internal/YamlFrontMatterBlockParser.java  |  3 +-
 .../commonmark/internal/BlockQuoteParser.java |  6 +-
 .../internal/DocumentBlockParser.java         |  3 +-
 .../commonmark/internal/DocumentParser.java   | 63 +++++---------
 .../internal/FencedCodeBlockParser.java       |  7 +-
 .../commonmark/internal/HeadingParser.java    | 83 ++++++++++++-------
 .../commonmark/internal/HtmlBlockParser.java  |  9 +-
 .../internal/IndentedCodeBlockParser.java     |  5 +-
 .../commonmark/internal/InlineParserImpl.java | 75 ++++++++++-------
 .../LinkReferenceDefinitionParser.java        | 12 +--
 .../commonmark/internal/ListBlockParser.java  |  2 +-
 .../commonmark/internal/ParagraphParser.java  |  8 +-
 .../org/commonmark/internal/SourceSpans.java  | 13 ---
 .../internal/ThematicBreakParser.java         |  2 +-
 .../internal/inline/AutolinkInlineParser.java | 33 +++++---
 .../inline/BackticksInlineParser.java         |  8 +-
 .../commonmark/internal/inline/Scanner.java   | 64 +++++++-------
 .../org/commonmark/internal/util/Parsing.java | 17 ----
 .../main/java/org/commonmark/node/Node.java   |  6 +-
 .../commonmark/parser/IncludeSourceSpans.java |  4 +
 .../org/commonmark/parser/InlineParser.java   |  6 +-
 .../org/commonmark/parser/SourceLine.java     | 47 +++++++++++
 .../org/commonmark/parser/SourceLines.java    | 65 +++++++++++++++
 .../parser/block/AbstractBlockParser.java     |  3 +-
 .../commonmark/parser/block/BlockParser.java  |  5 +-
 .../parser/block/MatchedBlockParser.java      |  4 +-
 .../commonmark/parser/block/ParserState.java  |  4 +-
 .../LinkReferenceDefinitionParserTest.java    | 62 ++++++--------
 .../internal/inline/ScannerTest.java          | 73 +++++++++++++---
 .../java/org/commonmark/test/ParserTest.java  |  7 +-
 31 files changed, 448 insertions(+), 261 deletions(-)
 delete mode 100644 commonmark/src/main/java/org/commonmark/internal/SourceSpans.java
 create mode 100644 commonmark/src/main/java/org/commonmark/parser/SourceLine.java
 create mode 100644 commonmark/src/main/java/org/commonmark/parser/SourceLines.java

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index 77bd61b3a..59eb89883 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -5,6 +5,7 @@
 import org.commonmark.node.Node;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
+import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.block.*;
 
 import java.util.ArrayList;
@@ -42,8 +43,9 @@ public BlockContinue tryContinue(ParserState state) {
     }
 
     @Override
-    public void addLine(CharSequence line) {
-        rowLines.add(line);
+    public void addLine(SourceLine line) {
+        // TODO: Need to preserve these for inlines
+        rowLines.add(line.getContent());
     }
 
     @Override
@@ -107,7 +109,9 @@ private TableCell parseCell(CellSource cell, int column, InlineParser inlinePars
             tableCell.setSourceSpans(Collections.singletonList(cell.sourceSpan));
         }
 
-        inlineParser.parse(Collections.<CharSequence>singletonList(cell.content.trim()), tableCell);
+        // TODO: Need to fix
+        SourceLine line = SourceLine.of(cell.content.trim(), null);
+        inlineParser.parse(Collections.singletonList(line), tableCell);
 
         return tableCell;
     }
diff --git a/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java b/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
index 5612d9ffd..86d827876 100644
--- a/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
+++ b/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
@@ -5,6 +5,7 @@
 import org.commonmark.internal.DocumentBlockParser;
 import org.commonmark.node.Block;
 import org.commonmark.parser.InlineParser;
+import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.block.*;
 
 import java.util.ArrayList;
@@ -37,7 +38,7 @@ public Block getBlock() {
     }
 
     @Override
-    public void addLine(CharSequence line) {
+    public void addLine(SourceLine line) {
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java b/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java
index 6b19f8aaf..00cdbc11e 100644
--- a/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java
@@ -30,7 +30,7 @@ public BlockContinue tryContinue(ParserState state) {
         if (isMarker(state, nextNonSpace)) {
             int newColumn = state.getColumn() + state.getIndent() + 1;
             // optional following space or tab
-            if (Parsing.isSpaceOrTab(state.getLine(), nextNonSpace + 1)) {
+            if (Parsing.isSpaceOrTab(state.getLine().getContent(), nextNonSpace + 1)) {
                 newColumn++;
             }
             return BlockContinue.atColumn(newColumn);
@@ -40,7 +40,7 @@ public BlockContinue tryContinue(ParserState state) {
     }
 
     private static boolean isMarker(ParserState state, int index) {
-        CharSequence line = state.getLine();
+        CharSequence line = state.getLine().getContent();
         return state.getIndent() < Parsing.CODE_BLOCK_INDENT && index < line.length() && line.charAt(index) == '>';
     }
 
@@ -50,7 +50,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             if (isMarker(state, nextNonSpace)) {
                 int newColumn = state.getColumn() + state.getIndent() + 1;
                 // optional following space or tab
-                if (Parsing.isSpaceOrTab(state.getLine(), nextNonSpace + 1)) {
+                if (Parsing.isSpaceOrTab(state.getLine().getContent(), nextNonSpace + 1)) {
                     newColumn++;
                 }
                 return BlockStart.of(new BlockQuoteParser()).atColumn(newColumn);
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentBlockParser.java
index 4a30544e7..db3d3854f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentBlockParser.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.node.Block;
 import org.commonmark.node.Document;
+import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.block.AbstractBlockParser;
 import org.commonmark.parser.block.BlockContinue;
 import org.commonmark.parser.block.ParserState;
@@ -31,7 +32,7 @@ public BlockContinue tryContinue(ParserState state) {
     }
 
     @Override
-    public void addLine(CharSequence line) {
+    public void addLine(SourceLine line) {
     }
 
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 58b390b63..c07d7ba78 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -1,41 +1,15 @@
 package org.commonmark.internal;
 
 import org.commonmark.internal.util.Parsing;
-import org.commonmark.node.Block;
-import org.commonmark.node.BlockQuote;
-import org.commonmark.node.Document;
-import org.commonmark.node.FencedCodeBlock;
-import org.commonmark.node.Heading;
-import org.commonmark.node.HtmlBlock;
-import org.commonmark.node.IndentedCodeBlock;
-import org.commonmark.node.LinkReferenceDefinition;
-import org.commonmark.node.ListBlock;
-import org.commonmark.node.Paragraph;
-import org.commonmark.node.SourceSpan;
-import org.commonmark.node.ThematicBreak;
-import org.commonmark.parser.InlineParser;
-import org.commonmark.parser.InlineParserFactory;
-import org.commonmark.parser.IncludeSourceSpans;
-import org.commonmark.parser.block.BlockContinue;
-import org.commonmark.parser.block.BlockParser;
-import org.commonmark.parser.block.BlockParserFactory;
-import org.commonmark.parser.block.BlockStart;
-import org.commonmark.parser.block.MatchedBlockParser;
-import org.commonmark.parser.block.ParserState;
+import org.commonmark.node.*;
+import org.commonmark.parser.*;
+import org.commonmark.parser.block.*;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.Reader;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.LinkedHashMap;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 
 public class DocumentParser implements ParserState {
 
@@ -165,12 +139,12 @@ public Document parse(Reader input) throws IOException {
     }
 
     @Override
-    public CharSequence getLine() {
-        return line;
-    }
-
-    public int getLineIndex() {
-        return lineIndex;
+    public SourceLine getLine() {
+        SourceSpan sourceSpan = null;
+        if (includeSourceSpans != IncludeSourceSpans.NONE) {
+            sourceSpan = SourceSpan.of(lineIndex, index, line.length());
+        }
+        return SourceLine.of(line, sourceSpan);
     }
 
     @Override
@@ -399,11 +373,10 @@ private void setNewColumn(int newColumn) {
 
     private void advance() {
         char c = line.charAt(index);
+        index++;
         if (c == '\t') {
-            index++;
             column += Parsing.columnsToNextTabStop(column);
         } else {
-            index++;
             column++;
         }
     }
@@ -430,7 +403,13 @@ private void addLine() {
         } else {
             content = line.subSequence(index, line.length());
         }
-        getActiveBlockParser().addLine(content);
+        SourceSpan sourceSpan = null;
+//        SourceLine sourceLine = ;
+        if (includeSourceSpans == IncludeSourceSpans.BLOCKS_AND_INLINES) {
+            // TODO: This is not correct for expanded tabs
+            sourceSpan = SourceSpan.of(lineIndex, index, content.length());
+        }
+        getActiveBlockParser().addLine(SourceLine.of(content, sourceSpan));
         addSourceSpans();
     }
 
@@ -568,12 +547,12 @@ public BlockParser getMatchedBlockParser() {
         }
 
         @Override
-        public List<CharSequence> getParagraphLines() {
+        public SourceLines getParagraphLines() {
             if (matchedBlockParser instanceof ParagraphParser) {
                 ParagraphParser paragraphParser = (ParagraphParser) matchedBlockParser;
-                return Collections.unmodifiableList(paragraphParser.getParagraphLines());
+                return paragraphParser.getParagraphLines();
             }
-            return Collections.emptyList();
+            return SourceLines.empty();
         }
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
index e57cc7277..86eec3675 100644
--- a/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
@@ -3,6 +3,7 @@
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.Block;
 import org.commonmark.node.FencedCodeBlock;
+import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.block.*;
 
 import static org.commonmark.internal.util.Escaping.unescapeString;
@@ -29,7 +30,7 @@ public Block getBlock() {
     public BlockContinue tryContinue(ParserState state) {
         int nextNonSpace = state.getNextNonSpaceIndex();
         int newIndex = state.getIndex();
-        CharSequence line = state.getLine();
+        CharSequence line = state.getLine().getContent();
         boolean closing = state.getIndent() < Parsing.CODE_BLOCK_INDENT && isClosing(line, nextNonSpace);
         if (closing) {
             // closing fence - we're at end of line, so we can finalize now
@@ -47,7 +48,7 @@ public BlockContinue tryContinue(ParserState state) {
     }
 
     @Override
-    public void addLine(CharSequence line) {
+    public void addLine(SourceLine line) {
         if (firstLine == null) {
             firstLine = line.toString();
         } else {
@@ -73,7 +74,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             }
 
             int nextNonSpace = state.getNextNonSpaceIndex();
-            FencedCodeBlockParser blockParser = checkOpener(state.getLine(), nextNonSpace, indent);
+            FencedCodeBlockParser blockParser = checkOpener(state.getLine().getContent(), nextNonSpace, indent);
             if (blockParser != null) {
                 return BlockStart.of(blockParser).atIndex(nextNonSpace + blockParser.block.getFenceLength());
             } else {
diff --git a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
index 88bf002f0..a7d856790 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
@@ -1,20 +1,21 @@
 package org.commonmark.internal;
 
+import org.commonmark.internal.inline.Position;
+import org.commonmark.internal.inline.Scanner;
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.Block;
 import org.commonmark.node.Heading;
 import org.commonmark.parser.InlineParser;
+import org.commonmark.parser.SourceLine;
+import org.commonmark.parser.SourceLines;
 import org.commonmark.parser.block.*;
 
-import java.util.Collections;
-import java.util.List;
-
 public class HeadingParser extends AbstractBlockParser {
 
     private final Heading block = new Heading();
-    private final List<CharSequence> content;
+    private final SourceLines content;
 
-    public HeadingParser(int level, List<CharSequence> content) {
+    public HeadingParser(int level, SourceLines content) {
         block.setLevel(level);
         this.content = content;
     }
@@ -43,19 +44,19 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
                 return BlockStart.none();
             }
 
-            CharSequence line = state.getLine();
-            int nextNonSpace = state.getNextNonSpaceIndex();
-            HeadingParser atxHeading = getAtxHeading(line, nextNonSpace);
+            SourceLine line = state.getLine();
+            HeadingParser atxHeading = getAtxHeading(line);
             if (atxHeading != null) {
-                return BlockStart.of(atxHeading).atIndex(line.length());
+                return BlockStart.of(atxHeading).atIndex(line.getContent().length());
             }
 
-            int setextHeadingLevel = getSetextHeadingLevel(line, nextNonSpace);
+            int nextNonSpace = state.getNextNonSpaceIndex();
+            int setextHeadingLevel = getSetextHeadingLevel(line.getContent(), nextNonSpace);
             if (setextHeadingLevel > 0) {
-                List<CharSequence> paragraph = matchedBlockParser.getParagraphLines();
+                SourceLines paragraph = matchedBlockParser.getParagraphLines();
                 if (!paragraph.isEmpty()) {
                     return BlockStart.of(new HeadingParser(setextHeadingLevel, paragraph))
-                            .atIndex(line.length())
+                            .atIndex(line.getContent().length())
                             .replaceActiveBlockParser();
                 }
             }
@@ -68,36 +69,62 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
     // 1–6 unescaped # characters and an optional closing sequence of any number of unescaped # characters. The opening
     // sequence of # characters must be followed by a space or by the end of line. The optional closing sequence of #s
     // must be preceded by a space and may be followed by spaces only.
-    private static HeadingParser getAtxHeading(CharSequence line, int index) {
-        int level = Parsing.skip('#', line, index, line.length()) - index;
+    private static HeadingParser getAtxHeading(SourceLine line) {
+        Scanner scanner = Scanner.of(SourceLines.of(line));
+        scanner.whitespace();
+        int level = scanner.matchMultiple('#');
 
         if (level == 0 || level > 6) {
             return null;
         }
 
-        int afterMarker = index + level;
-        if (afterMarker >= line.length()) {
+        if (!scanner.hasNext()) {
             // End of line after markers is an empty heading
-            return new HeadingParser(level, Collections.<CharSequence>emptyList());
+            return new HeadingParser(level, SourceLines.empty());
         }
 
-        char next = line.charAt(afterMarker);
+        char next = scanner.peek();
         if (!(next == ' ' || next == '\t')) {
             return null;
         }
 
-        int start = Parsing.skipSpaceTab(line, afterMarker, line.length());
+        scanner.whitespace();
+        Position start = scanner.position();
+        Position end = start;
+        boolean hashCanEnd = true;
+
+        while (scanner.hasNext()) {
+            char c = scanner.peek();
+            switch (c) {
+                case '#':
+                    if (hashCanEnd) {
+                        scanner.matchMultiple('#');
+                        scanner.whitespace();
+                        // If there's other characters, the hashes and spaces were part of the heading
+                        hashCanEnd = false;
+                    } else {
+                        scanner.next();
+                        end = scanner.position();
+                    }
+                    break;
+                case ' ':
+                case '\t':
+                    hashCanEnd = true;
+                    scanner.next();
+                    break;
+                default:
+                    hashCanEnd = false;
+                    scanner.next();
+                    end = scanner.position();
+            }
+        }
 
-        int beforeSpace = Parsing.skipSpaceTabBackwards(line, line.length() - 1, afterMarker);
-        int beforeHash = Parsing.skipBackwards('#', line, beforeSpace, afterMarker);
-        int beforeTrailer = Parsing.skipSpaceTabBackwards(line, beforeHash, afterMarker);
-        // Trailing `#` need to be separated with at least one space/tab, otherwise they are part of the content.
-        int end = (beforeTrailer < beforeHash) ? beforeTrailer + 1 : beforeSpace + 1;
-        if (start >= end) {
-            // Empty, e.g. `### ###`
-            return new HeadingParser(level, Collections.<CharSequence>emptyList());
+        SourceLines source = scanner.textBetween(start, end);
+        String content = source.getContent();
+        if (content.isEmpty()) {
+            return new HeadingParser(level, SourceLines.empty());
         }
-        return new HeadingParser(level, Collections.singletonList(line.subSequence(start, end)));
+        return new HeadingParser(level, source);
     }
 
     // spec: A setext heading underline is a sequence of = characters or a sequence of - characters, with no more than
diff --git a/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
index 3b3a0e64f..fa1befa2a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
@@ -4,6 +4,7 @@
 import org.commonmark.node.Block;
 import org.commonmark.node.HtmlBlock;
 import org.commonmark.node.Paragraph;
+import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.block.*;
 
 import java.util.regex.Pattern;
@@ -88,10 +89,10 @@ public BlockContinue tryContinue(ParserState state) {
     }
 
     @Override
-    public void addLine(CharSequence line) {
-        content.add(line);
+    public void addLine(SourceLine line) {
+        content.add(line.getContent());
 
-        if (closingPattern != null && closingPattern.matcher(line).find()) {
+        if (closingPattern != null && closingPattern.matcher(line.getContent()).find()) {
             finished = true;
         }
     }
@@ -107,7 +108,7 @@ public static class Factory extends AbstractBlockParserFactory {
         @Override
         public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
             int nextNonSpace = state.getNextNonSpaceIndex();
-            CharSequence line = state.getLine();
+            CharSequence line = state.getLine().getContent();
 
             if (state.getIndent() < 4 && line.charAt(nextNonSpace) == '<') {
                 for (int blockType = 1; blockType <= 7; blockType++) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/IndentedCodeBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/IndentedCodeBlockParser.java
index e90fdf6a9..af74a587c 100644
--- a/commonmark/src/main/java/org/commonmark/internal/IndentedCodeBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/IndentedCodeBlockParser.java
@@ -4,6 +4,7 @@
 import org.commonmark.node.Block;
 import org.commonmark.node.IndentedCodeBlock;
 import org.commonmark.node.Paragraph;
+import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.block.*;
 
 import java.util.ArrayList;
@@ -31,8 +32,8 @@ public BlockContinue tryContinue(ParserState state) {
     }
 
     @Override
-    public void addLine(CharSequence line) {
-        lines.add(line);
+    public void addLine(SourceLine line) {
+        lines.add(line.getContent());
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index dedf68599..e4cd1e737 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -8,6 +8,7 @@
 import org.commonmark.node.*;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.InlineParserContext;
+import org.commonmark.parser.SourceLines;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.util.*;
@@ -125,7 +126,7 @@ private static void addDelimiterProcessorForChar(char delimiterChar, DelimiterPr
      * Parse content in block into inline children, appending them to the block node.
      */
     @Override
-    public void parse(List<CharSequence> lines, Node block) {
+    public void parse(SourceLines lines, Node block) {
         reset(lines);
 
         while (true) {
@@ -141,15 +142,23 @@ public void parse(List<CharSequence> lines, Node block) {
         mergeChildTextNodes(block);
     }
 
-    void reset(List<CharSequence> lines) {
+    void reset(SourceLines lines) {
         this.scanner = Scanner.of(lines);
         this.trailingSpaces = 0;
         this.lastDelimiter = null;
         this.lastBracket = null;
     }
 
-    private Text text(String text) {
-        return new Text(text);
+    private Text text(String content, List<SourceSpan> sourceSpans) {
+        Text text = new Text(content);
+        text.setSourceSpans(sourceSpans);
+        return text;
+    }
+
+    private Text text(SourceLines sourceLines) {
+        Text text = new Text(sourceLines.getContent());
+        text.setSourceSpans(sourceLines.getSourceSpans());
+        return text;
     }
 
     /**
@@ -170,6 +179,7 @@ private Node parseInline() {
                 ParsedInline parsedInline = inlineParser.tryParse(this);
                 if (parsedInline instanceof ParsedInlineImpl) {
                     ParsedInlineImpl parsedInlineImpl = (ParsedInlineImpl) parsedInline;
+                    // TODO: Should we set source spans here? Or let the inline parsers set it?
                     scanner.setPosition(parsedInlineImpl.getPosition());
                     return parsedInlineImpl.getNode();
                 } else {
@@ -229,13 +239,14 @@ private Node parseDelimiters(DelimiterProcessor delimiterProcessor, char delimit
      * Add open bracket to delimiter stack and add a text node to block's children.
      */
     private Node parseOpenBracket() {
-        scanner.next();
         Position start = scanner.position();
+        scanner.next();
+        Position contentPosition = scanner.position();
 
-        Text node = text("[");
+        Text node = text(scanner.textBetween(start, contentPosition));
 
         // Add entry to stack for this opener
-        addBracket(Bracket.link(node, start, lastBracket, lastDelimiter));
+        addBracket(Bracket.link(node, contentPosition, lastBracket, lastDelimiter));
 
         return node;
     }
@@ -245,15 +256,16 @@ private Node parseOpenBracket() {
      * Otherwise just add a text node.
      */
     private Node parseBang() {
+        Position start = scanner.position();
         scanner.next();
         if (scanner.next('[')) {
-            Text node = text("![");
+            Text node = text(scanner.textBetween(start, scanner.position()));
 
             // Add entry to stack for this opener
             addBracket(Bracket.image(node, scanner.position(), lastBracket, lastDelimiter));
             return node;
         } else {
-            return text("!");
+            return text(scanner.textBetween(start, scanner.position()));
         }
     }
 
@@ -270,13 +282,13 @@ private Node parseCloseBracket() {
         Bracket opener = lastBracket;
         if (opener == null) {
             // No matching opener, just return a literal.
-            return text("]");
+            return text(scanner.textBetween(beforeClose, afterClose));
         }
 
         if (!opener.allowed) {
             // Matching opener but it's not allowed, just return a literal.
             removeLastBracket();
-            return text("]");
+            return text(scanner.textBetween(beforeClose, afterClose));
         }
 
         // Check to see if we have a link/image
@@ -319,7 +331,7 @@ private Node parseCloseBracket() {
                 // If the second label is empty `[foo][]` or missing `[foo]`, then the first label is the reference.
                 // But it can only be a reference when there's no (unescaped) bracket in it.
                 // If there is, we don't even need to try to look up the reference. This is an optimization.
-                ref = scanner.textBetween(opener.contentPosition, beforeClose).toString();
+                ref = scanner.textBetween(opener.contentPosition, beforeClose).getContent();
             }
 
             if (ref != null) {
@@ -343,6 +355,8 @@ private Node parseCloseBracket() {
                 node = next;
             }
 
+            // TODO: source positions
+
             // Process delimiters such as emphasis inside link/image
             processDelimiters(opener.previousDelimiter);
             mergeChildTextNodes(linkOrImage);
@@ -369,7 +383,7 @@ private Node parseCloseBracket() {
             removeLastBracket();
 
             scanner.setPosition(afterClose);
-            return text("]");
+            return text(scanner.textBetween(beforeClose, afterClose));
         }
     }
 
@@ -397,10 +411,10 @@ private String parseLinkDestination(Scanner scanner) {
         String dest;
         if (delimiter == '<') {
             // chop off surrounding <..>:
-            CharSequence rawDestination = scanner.textBetween(start, scanner.position());
-            dest = rawDestination.subSequence(1, rawDestination.length() - 1).toString();
+            String rawDestination = scanner.textBetween(start, scanner.position()).getContent();
+            dest = rawDestination.substring(1, rawDestination.length() - 1);
         } else {
-            dest = scanner.textBetween(start, scanner.position()).toString();
+            dest = scanner.textBetween(start, scanner.position()).getContent();
         }
 
         return Escaping.unescapeString(dest);
@@ -416,8 +430,8 @@ private String parseLinkTitle(Scanner scanner) {
         }
 
         // chop off ', " or parens
-        CharSequence rawTitle = scanner.textBetween(start, scanner.position());
-        String title = rawTitle.subSequence(1, rawTitle.length() - 1).toString();
+        String rawTitle = scanner.textBetween(start, scanner.position()).getContent();
+        String title = rawTitle.substring(1, rawTitle.length() - 1);
         return Escaping.unescapeString(title);
     }
 
@@ -439,7 +453,7 @@ String parseLinkLabel(Scanner scanner) {
             return null;
         }
 
-        String content = scanner.textBetween(start, end).toString();
+        String content = scanner.textBetween(start, end).getContent();
         // spec: A link label can have at most 999 characters inside the square brackets.
         if (content.length() > 999) {
             return null;
@@ -471,21 +485,25 @@ private Node parseText() {
             scanner.next();
         }
 
-        String text = scanner.textBetween(start, scanner.position()).toString();
+        SourceLines source = scanner.textBetween(start, scanner.position());
+        String content = source.getContent();
 
         char c = scanner.peek();
         if (c == '\n') {
             // We parsed until the end of the line. Trim any trailing spaces and remember them (for hard line breaks).
-            int end = Parsing.skipBackwards(' ', text, text.length() - 1, 0) + 1;
-            trailingSpaces = text.length() - end;
-            text = text.substring(0, end);
+            int end = Parsing.skipBackwards(' ', content, content.length() - 1, 0) + 1;
+            trailingSpaces = content.length() - end;
+            content = content.substring(0, end);
         } else if (c == Scanner.END) {
             // For the last line, both tabs and spaces are trimmed for some reason (checked with commonmark.js).
-            int end = Parsing.skipSpaceTabBackwards(text, text.length() - 1, 0) + 1;
-            text = text.substring(0, end);
+            int end = Parsing.skipSpaceTabBackwards(content, content.length() - 1, 0) + 1;
+            content = content.substring(0, end);
         }
 
-        return text(text);
+        Text text = new Text(content);
+        // TODO: Test
+        text.setSourceSpans(source.getSourceSpans());
+        return text;
     }
 
     /**
@@ -529,8 +547,8 @@ private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char
             canClose = rightFlanking && delimiterChar == delimiterProcessor.getClosingCharacter();
         }
 
-        String text = scanner.textBetween(start, scanner.position()).toString();
-        return new DelimiterData(delimiterCount, canOpen, canClose, new Text(text));
+        SourceLines source = scanner.textBetween(start, scanner.position());
+        return new DelimiterData(delimiterCount, canOpen, canClose, text(source.getContent(), source.getSourceSpans()));
     }
 
     private void processDelimiters(Delimiter stackBottom) {
@@ -724,6 +742,7 @@ private void mergeIfNeeded(Text first, Text last, int textLength) {
                 node = node.getNext();
                 unlink.unlink();
             }
+            // TODO: Need to merge sourcespans too
             String literal = sb.toString();
             first.setLiteral(literal);
         }
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index 950fc31c8..38f5cc4a9 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -6,6 +6,8 @@
 import org.commonmark.internal.util.LinkScanner;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.node.SourceSpan;
+import org.commonmark.parser.SourceLine;
+import org.commonmark.parser.SourceLines;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -19,7 +21,7 @@ public class LinkReferenceDefinitionParser {
 
     private State state = State.START_DEFINITION;
 
-    private final List<CharSequence> paragraphLines = new ArrayList<>();
+    private final List<SourceLine> paragraphLines = new ArrayList<>();
     private final List<LinkReferenceDefinition> definitions = new ArrayList<>();
     private final List<SourceSpan> sourceSpans = new ArrayList<>();
 
@@ -30,7 +32,7 @@ public class LinkReferenceDefinitionParser {
     private StringBuilder title;
     private boolean referenceValid = false;
 
-    public void parse(CharSequence line) {
+    public void parse(SourceLine line) {
         paragraphLines.add(line);
         if (state == State.PARAGRAPH) {
             // We're in a paragraph now. Link reference definitions can only appear at the beginning, so once
@@ -38,7 +40,7 @@ public void parse(CharSequence line) {
             return;
         }
 
-        Scanner scanner = Scanner.of(line);
+        Scanner scanner = Scanner.of(SourceLines.of(line));
         while (scanner.hasNext()) {
             boolean success;
             switch (state) {
@@ -81,8 +83,8 @@ public void addSourceSpan(SourceSpan sourceSpan) {
     /**
      * @return the lines that are normal paragraph content, without newlines
      */
-    List<CharSequence> getParagraphLines() {
-        return paragraphLines;
+    SourceLines getParagraphLines() {
+        return SourceLines.of(paragraphLines);
     }
 
     List<SourceSpan> getParagraphSourceSpans() {
diff --git a/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
index 1538ca41b..f6702518b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
@@ -211,7 +211,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             int markerIndex = state.getNextNonSpaceIndex();
             int markerColumn = state.getColumn() + state.getIndent();
             boolean inParagraph = !matchedBlockParser.getParagraphLines().isEmpty();
-            ListData listData = parseList(state.getLine(), markerIndex, markerColumn, inParagraph);
+            ListData listData = parseList(state.getLine().getContent(), markerIndex, markerColumn, inParagraph);
             if (listData == null) {
                 return BlockStart.none();
             }
diff --git a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
index 8962ec7da..89328ef2a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
@@ -5,6 +5,8 @@
 import org.commonmark.node.Paragraph;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
+import org.commonmark.parser.SourceLine;
+import org.commonmark.parser.SourceLines;
 import org.commonmark.parser.block.AbstractBlockParser;
 import org.commonmark.parser.block.BlockContinue;
 import org.commonmark.parser.block.ParserState;
@@ -36,7 +38,7 @@ public BlockContinue tryContinue(ParserState state) {
     }
 
     @Override
-    public void addLine(CharSequence line) {
+    public void addLine(SourceLine line) {
         linkReferenceDefinitionParser.parse(line);
     }
 
@@ -58,13 +60,13 @@ public void closeBlock() {
 
     @Override
     public void parseInlines(InlineParser inlineParser) {
-        List<CharSequence> lines = linkReferenceDefinitionParser.getParagraphLines();
+        SourceLines lines = linkReferenceDefinitionParser.getParagraphLines();
         if (!lines.isEmpty()) {
             inlineParser.parse(lines, block);
         }
     }
 
-    public List<CharSequence> getParagraphLines() {
+    public SourceLines getParagraphLines() {
         return linkReferenceDefinitionParser.getParagraphLines();
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/SourceSpans.java b/commonmark/src/main/java/org/commonmark/internal/SourceSpans.java
deleted file mode 100644
index bf8715be8..000000000
--- a/commonmark/src/main/java/org/commonmark/internal/SourceSpans.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package org.commonmark.internal;
-
-import org.commonmark.node.SourceSpan;
-import org.commonmark.parser.block.ParserState;
-
-public class SourceSpans {
-
-    public static SourceSpan fromState(ParserState parserState, int startIndex) {
-//        int length = parserState.getLine().length();
-//        return SourceSpan.of(parserState.getLineIndex(), startIndex, length - startIndex);
-        return null;
-    }
-}
diff --git a/commonmark/src/main/java/org/commonmark/internal/ThematicBreakParser.java b/commonmark/src/main/java/org/commonmark/internal/ThematicBreakParser.java
index 6d9edf761..88ad41ac9 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ThematicBreakParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ThematicBreakParser.java
@@ -27,7 +27,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
                 return BlockStart.none();
             }
             int nextNonSpace = state.getNextNonSpaceIndex();
-            CharSequence line = state.getLine();
+            CharSequence line = state.getLine().getContent();
             if (isThematicBreak(line, nextNonSpace)) {
                 return BlockStart.of(new ThematicBreakParser()).atIndex(line.length());
             } else {
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index 7b62d1257..9b9c26f48 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -1,8 +1,8 @@
 package org.commonmark.internal.inline;
 
 import org.commonmark.node.Link;
-import org.commonmark.node.Node;
 import org.commonmark.node.Text;
+import org.commonmark.parser.SourceLines;
 
 import java.util.regex.Pattern;
 
@@ -20,19 +20,30 @@ public class AutolinkInlineParser implements InlineContentParser {
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
+        Position linkStart = scanner.position();
         scanner.next();
-        Position start = scanner.position();
+        Position textStart = scanner.position();
         if (scanner.find('>') > 0) {
-            String text = scanner.textBetween(start, scanner.position()).toString();
+            SourceLines textSource = scanner.textBetween(textStart, scanner.position());
+            String content = textSource.getContent();
             scanner.next();
-            if (URI.matcher(text).matches()) {
-                Link node = new Link(text, null);
-                node.appendChild(new Text(text));
-                return ParsedInline.of(node, scanner.position());
-            } else if (EMAIL.matcher(text).matches()) {
-                Link node = new Link("mailto:" + text, null);
-                node.appendChild(new Text(text));
-                return ParsedInline.of(node, scanner.position());
+            Position linkEnd = scanner.position();
+
+            String destination = null;
+            if (URI.matcher(content).matches()) {
+                destination = content;
+            } else if (EMAIL.matcher(content).matches()) {
+                destination = "mailto:" + content;
+            }
+
+            if (destination != null) {
+                Link link = new Link(destination, null);
+                // TODO: tests
+                link.setSourceSpans(scanner.textBetween(linkStart, linkEnd).getSourceSpans());
+                Text text = new Text(content);
+                text.setSourceSpans(textSource.getSourceSpans());
+                link.appendChild(text);
+                return ParsedInline.of(link, scanner.position());
             }
         }
         return ParsedInline.none();
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index f00079793..42bd0b5c6 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -2,8 +2,8 @@
 
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.Code;
-import org.commonmark.node.Node;
 import org.commonmark.node.Text;
+import org.commonmark.parser.SourceLines;
 
 /**
  * Attempt to parse backticks, returning either a backtick code span or a literal sequence of backticks.
@@ -41,7 +41,9 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
         }
 
         // If we got here, we didn't find a matching closing backtick sequence.
-        String ticks = scanner.textBetween(start, afterOpening).toString();
-        return ParsedInline.of(new Text(ticks), afterOpening);
+        SourceLines source = scanner.textBetween(start, afterOpening);
+        Text text = new Text(source.getContent());
+        text.setSourceSpans(source.getSourceSpans());
+        return ParsedInline.of(text, afterOpening);
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index 5f6b30f00..5715e2e14 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -1,8 +1,10 @@
 package org.commonmark.internal.inline;
 
 import org.commonmark.internal.util.CharMatcher;
+import org.commonmark.node.SourceSpan;
+import org.commonmark.parser.SourceLine;
+import org.commonmark.parser.SourceLines;
 
-import java.util.Collections;
 import java.util.List;
 
 public class Scanner {
@@ -17,7 +19,7 @@ public class Scanner {
 
     // Lines without newlines at the end. The scanner will yield `\n` between lines because they're significant for
     // parsing and the final output. There is no `\n` after the last line.
-    private final List<CharSequence> lines;
+    private final List<SourceLine> lines;
     // Which line we're at.
     private int lineIndex;
     // The index within the line. If index == length(), we pretend that there's a `\n` and only advance after we yield
@@ -25,10 +27,10 @@ public class Scanner {
     private int index;
 
     // Current line or "" if at the end of the lines (using "" instead of null saves a null check)
-    private CharSequence line = "";
+    private SourceLine line = SourceLine.of("", null);
     private int lineLength = 0;
 
-    Scanner(List<CharSequence> lines, int lineIndex, int index) {
+    Scanner(List<SourceLine> lines, int lineIndex, int index) {
         this.lines = lines;
         this.lineIndex = lineIndex;
         this.index = index;
@@ -38,17 +40,13 @@ public class Scanner {
         }
     }
 
-    public static Scanner of(List<CharSequence> lines) {
-        return new Scanner(lines, 0, 0);
-    }
-
-    public static Scanner of(CharSequence line) {
-        return new Scanner(Collections.singletonList(line), 0, 0);
+    public static Scanner of(SourceLines lines) {
+        return new Scanner(lines.getLines(), 0, 0);
     }
 
     public char peek() {
         if (index < lineLength) {
-            return line.charAt(index);
+            return line.getContent().charAt(index);
         } else {
             if (lineIndex < lines.size() - 1) {
                 return '\n';
@@ -62,7 +60,7 @@ public char peek() {
     public char peekPrevious() {
         if (index > 0) {
             int prev = index - 1;
-            return line.charAt(prev);
+            return line.getContent().charAt(prev);
         } else {
             if (lineIndex > 0) {
                 return '\n';
@@ -88,7 +86,7 @@ public void next() {
             if (lineIndex < lines.size()) {
                 setLine(lines.get(lineIndex));
             } else {
-                setLine("");
+                setLine(SourceLine.of("", null));
             }
             index = 0;
         }
@@ -120,7 +118,7 @@ public boolean next(String content) {
         if (index < lineLength && index + content.length() <= lineLength) {
             // Can't use startsWith because it's not available on CharSequence
             for (int i = 0; i < content.length(); i++) {
-                if (line.charAt(index + i) != content.charAt(i)) {
+                if (line.getContent().charAt(index + i) != content.charAt(i)) {
                     return false;
                 }
             }
@@ -211,41 +209,47 @@ public void setPosition(Position position) {
 
     // For cases where the caller appends the result to a StringBuilder, we could offer another method to avoid some
     // unnecessary copying.
-    public CharSequence textBetween(Position begin, Position end) {
+    // TODO: Rename
+    public SourceLines textBetween(Position begin, Position end) {
         if (begin.lineIndex == end.lineIndex) {
             // Shortcut for common case of text from a single line
-            return lines.get(begin.lineIndex).subSequence(begin.index, end.index);
+            SourceLine line = lines.get(begin.lineIndex);
+            CharSequence newContent = line.getContent().subSequence(begin.index, end.index);
+            SourceSpan newSourceSpan = null;
+            SourceSpan sourceSpan = line.getSourceSpan();
+            if (sourceSpan != null) {
+                newSourceSpan = SourceSpan.of(sourceSpan.getLineIndex(), sourceSpan.getColumnIndex() + begin.index, newContent.length());
+            }
+            return SourceLines.of(SourceLine.of(newContent, newSourceSpan));
         } else {
-            StringBuilder sb = new StringBuilder();
+            SourceLines sourceLines = SourceLines.empty();
 
-            CharSequence firstLine = lines.get(begin.lineIndex);
-            sb.append(firstLine.subSequence(begin.index, firstLine.length()));
-            sb.append('\n');
+            SourceLine firstLine = lines.get(begin.lineIndex);
+            sourceLines.addLine(firstLine.substring(begin.index, firstLine.getContent().length()));
 
             // Lines between begin and end (we are appending the full line)
             for (int line = begin.lineIndex + 1; line < end.lineIndex; line++) {
-                sb.append(lines.get(line));
-                sb.append('\n');
+                sourceLines.addLine(lines.get(line));
             }
 
-            CharSequence lastLine = lines.get(end.lineIndex);
-            sb.append(lastLine.subSequence(0, end.index));
-            return sb.toString();
+            SourceLine lastLine = lines.get(end.lineIndex);
+            sourceLines.addLine(lastLine.substring(0, end.index));
+            return sourceLines;
         }
     }
 
-    private void setLine(CharSequence line) {
+    private void setLine(SourceLine line) {
         this.line = line;
-        this.lineLength = line.length();
+        this.lineLength = line.getContent().length();
     }
 
     private void checkPosition(int lineIndex, int index) {
         if (lineIndex < 0 || lineIndex >= lines.size()) {
             throw new IllegalArgumentException("Line index " + lineIndex + " out of range, number of lines: " + lines.size());
         }
-        CharSequence line = lines.get(lineIndex);
-        if (index < 0 || index > line.length()) {
-            throw new IllegalArgumentException("Index " + index + " out of range, line length: " + line.length());
+        SourceLine line = lines.get(lineIndex);
+        if (index < 0 || index > line.getContent().length()) {
+            throw new IllegalArgumentException("Index " + index + " out of range, line length: " + line.getContent().length());
         }
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
index eb7dddb0d..7c44ea6fe 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
@@ -184,23 +184,6 @@ public static int skipSpaceTabBackwards(CharSequence s, int startIndex, int last
         return lastIndex - 1;
     }
 
-    public static int skipWhitespace(CharSequence s, int startIndex, int endIndex) {
-        for (int i = startIndex; i < endIndex; i++) {
-            switch (s.charAt(i)) {
-                case ' ':
-                case '\t':
-                case '\n':
-                case '\u000B':
-                case '\f':
-                case '\r':
-                    break;
-                default:
-                    return i;
-            }
-        }
-        return endIndex;
-    }
-
     private static int findNonSpace(CharSequence s, int startIndex) {
         int length = s.length();
         for (int i = startIndex; i < length; i++) {
diff --git a/commonmark/src/main/java/org/commonmark/node/Node.java b/commonmark/src/main/java/org/commonmark/node/Node.java
index f8a8cace7..8ef608c8c 100644
--- a/commonmark/src/main/java/org/commonmark/node/Node.java
+++ b/commonmark/src/main/java/org/commonmark/node/Node.java
@@ -128,7 +128,11 @@ public List<SourceSpan> getSourceSpans() {
      * @param sourceSpans the new source spans to set
      */
     public void setSourceSpans(List<SourceSpan> sourceSpans) {
-        this.sourceSpans = new ArrayList<>(sourceSpans);
+        if (sourceSpans.isEmpty()) {
+            this.sourceSpans = null;
+        } else {
+            this.sourceSpans = new ArrayList<>(sourceSpans);
+        }
     }
 
     /**
diff --git a/commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java b/commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java
index d6fc459eb..4ea8b5112 100644
--- a/commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java
+++ b/commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java
@@ -13,4 +13,8 @@ public enum IncludeSourceSpans {
      * Include source spans on {@link org.commonmark.node.Block} nodes.
      */
     BLOCKS,
+    /**
+     * Include source spans on block nodes and inline nodes.
+     */
+    BLOCKS_AND_INLINES,
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParser.java b/commonmark/src/main/java/org/commonmark/parser/InlineParser.java
index cbebdc25a..49043a64f 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParser.java
@@ -2,16 +2,14 @@
 
 import org.commonmark.node.Node;
 
-import java.util.List;
-
 /**
  * Parser for inline content (text, links, emphasized text, etc).
  */
 public interface InlineParser {
 
     /**
-     * @param lines the content to parse as inline
+     * @param lines the source content to parse as inline
      * @param node the node to append resulting nodes to (as children)
      */
-    void parse(List<CharSequence> lines, Node node);
+    void parse(SourceLines lines, Node node);
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/SourceLine.java b/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
new file mode 100644
index 000000000..b2b1aff8d
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
@@ -0,0 +1,47 @@
+package org.commonmark.parser;
+
+import org.commonmark.node.SourceSpan;
+
+/**
+ * A line or part of a line from the input source.
+ */
+public class SourceLine {
+
+    private final CharSequence content;
+    private final SourceSpan sourceSpan;
+
+    public static SourceLine of(CharSequence content, SourceSpan sourceSpan) {
+        return new SourceLine(content, sourceSpan);
+    }
+
+    private SourceLine(CharSequence content, SourceSpan sourceSpan) {
+        if (content == null) {
+            throw new NullPointerException("content must not be null");
+        }
+        this.content = content;
+        this.sourceSpan = sourceSpan;
+    }
+
+    public CharSequence getContent() {
+        return content;
+    }
+
+    public SourceSpan getSourceSpan() {
+        return sourceSpan;
+    }
+
+    public SourceLine substring(int beginIndex, int endIndex) {
+        // TODO: Check indices
+        // TODO: Tests
+        CharSequence newContent = content.subSequence(beginIndex, endIndex);
+        SourceSpan newSourceSpan = null;
+        if (sourceSpan != null) {
+            int columnIndex = sourceSpan.getColumnIndex() + beginIndex;
+            int length = endIndex - beginIndex;
+            if (length != 0) {
+                newSourceSpan = SourceSpan.of(sourceSpan.getLineIndex(), columnIndex, length);
+            }
+        }
+        return SourceLine.of(newContent, newSourceSpan);
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/parser/SourceLines.java b/commonmark/src/main/java/org/commonmark/parser/SourceLines.java
new file mode 100644
index 000000000..23f2edb96
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/parser/SourceLines.java
@@ -0,0 +1,65 @@
+package org.commonmark.parser;
+
+import org.commonmark.node.SourceSpan;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A set of lines ({@link SourceLine}) from the input source.
+ */
+public class SourceLines {
+
+    private final List<SourceLine> lines = new ArrayList<>();
+
+    public static SourceLines empty() {
+        return new SourceLines();
+    }
+
+    public static SourceLines of(SourceLine sourceLine) {
+        SourceLines sourceLines = new SourceLines();
+        sourceLines.addLine(sourceLine);
+        return sourceLines;
+    }
+
+    public static SourceLines of(List<SourceLine> sourceLines) {
+        SourceLines result = new SourceLines();
+        result.lines.addAll(sourceLines);
+        return result;
+    }
+
+    public void addLine(SourceLine sourceLine) {
+        lines.add(sourceLine);
+    }
+
+    public List<SourceLine> getLines() {
+        return lines;
+    }
+
+    public boolean isEmpty() {
+        // TODO: What if there's a single empty line?
+        return lines.isEmpty();
+    }
+
+    public String getContent() {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < lines.size(); i++) {
+            if (i != 0) {
+                sb.append('\n');
+            }
+            sb.append(lines.get(i).getContent());
+        }
+        return sb.toString();
+    }
+
+    public List<SourceSpan> getSourceSpans() {
+        List<SourceSpan> sourceSpans = new ArrayList<>();
+        for (SourceLine line : lines) {
+            SourceSpan sourceSpan = line.getSourceSpan();
+            if (sourceSpan != null) {
+                sourceSpans.add(sourceSpan);
+            }
+        }
+        return sourceSpans;
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
index 98fddd458..3d4cbb77b 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
@@ -3,6 +3,7 @@
 import org.commonmark.node.Block;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
+import org.commonmark.parser.SourceLine;
 
 public abstract class AbstractBlockParser implements BlockParser {
 
@@ -22,7 +23,7 @@ public boolean canContain(Block childBlock) {
     }
 
     @Override
-    public void addLine(CharSequence line) {
+    public void addLine(SourceLine line) {
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
index ca603ac8f..bdaaf0e47 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
@@ -3,6 +3,7 @@
 import org.commonmark.node.Block;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
+import org.commonmark.parser.SourceLine;
 
 /**
  * Parser for a specific block node.
@@ -22,7 +23,7 @@ public interface BlockParser {
      * Lazy continuation lines are lines that were rejected by this {@link #tryContinue(ParserState)} but didn't match
      * any other block parsers either.
      * <p>
-     * If true is returned here, those lines will get added via {@link #addLine(CharSequence)}. For false, the block is
+     * If true is returned here, those lines will get added via {@link #addLine(SourceLine)}. For false, the block is
      * closed instead.
      */
     boolean canHaveLazyContinuationLines();
@@ -33,7 +34,7 @@ public interface BlockParser {
 
     BlockContinue tryContinue(ParserState parserState);
 
-    void addLine(CharSequence line);
+    void addLine(SourceLine line);
 
     /**
      * Add a source span of the currently parsed block. The default implementation in {@link AbstractBlockParser} adds
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java
index 41ba2712b..1f2bcfb2a 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java
@@ -1,6 +1,6 @@
 package org.commonmark.parser.block;
 
-import java.util.List;
+import org.commonmark.parser.SourceLines;
 
 /**
  * Open block parser that was last matched during the continue phase. This is different from the currently active
@@ -16,6 +16,6 @@ public interface MatchedBlockParser {
      *
      * @return paragraph content or an empty list
      */
-    List<CharSequence> getParagraphLines();
+    SourceLines getParagraphLines();
 
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java b/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java
index 8c63e964e..67bb6b608 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java
@@ -1,5 +1,7 @@
 package org.commonmark.parser.block;
 
+import org.commonmark.parser.SourceLine;
+
 /**
  * State of the parser that is used in block parsers.
  * <p><em>This interface is not intended to be implemented by clients.</em></p>
@@ -9,7 +11,7 @@ public interface ParserState {
     /**
      * @return the current line
      */
-    CharSequence getLine();
+    SourceLine getLine();
 
     /**
      * @return the current index within the line (0-based)
diff --git a/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java b/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
index 3b9ae83dc..d9a67b6fa 100644
--- a/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
@@ -2,13 +2,14 @@
 
 import org.commonmark.internal.LinkReferenceDefinitionParser.State;
 import org.commonmark.node.LinkReferenceDefinition;
+import org.commonmark.parser.SourceLine;
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
 
 public class LinkReferenceDefinitionParserTest {
 
-    private LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
+    private final LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
 
     @Test
     public void testStartLabel() {
@@ -20,8 +21,8 @@ public void testStartNoLabel() {
         // Not a label
         assertParagraph("a");
         // Can not go back to parsing link reference definitions
-        parser.parse("a");
-        parser.parse("[");
+        parse("a");
+        parse("[");
         assertEquals(State.PARAGRAPH, parser.getState());
         assertParagraphLines("a\n[", parser);
     }
@@ -51,39 +52,36 @@ public void testLabelInvalid() {
 
     @Test
     public void testLabelMultiline() {
-        LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
-        parser.parse("[two");
+        parse("[two");
         assertEquals(State.LABEL, parser.getState());
-        parser.parse("lines]:");
+        parse("lines]:");
         assertEquals(State.DESTINATION, parser.getState());
-        parser.parse("/url");
+        parse("/url");
         assertEquals(State.START_TITLE, parser.getState());
         assertDef(parser.getDefinitions().get(0), "two lines", "/url", null);
     }
 
     @Test
     public void testLabelStartsWithNewline() {
-        LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
-        parser.parse("[");
+        parse("[");
         assertEquals(State.LABEL, parser.getState());
-        parser.parse("weird]:");
+        parse("weird]:");
         assertEquals(State.DESTINATION, parser.getState());
-        parser.parse("/url");
+        parse("/url");
         assertEquals(State.START_TITLE, parser.getState());
         assertDef(parser.getDefinitions().get(0), "weird", "/url", null);
     }
 
     @Test
     public void testDestination() {
-        LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
-        parser.parse("[foo]: /url");
+        parse("[foo]: /url");
         assertEquals(State.START_TITLE, parser.getState());
         assertParagraphLines("", parser);
 
         assertEquals(1, parser.getDefinitions().size());
         assertDef(parser.getDefinitions().get(0), "foo", "/url", null);
 
-        parser.parse("[bar]: </url2>");
+        parse("[bar]: </url2>");
         assertDef(parser.getDefinitions().get(1), "bar", "/url2", null);
     }
 
@@ -94,8 +92,7 @@ public void testDestinationInvalid() {
 
     @Test
     public void testTitle() {
-        LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
-        parser.parse("[foo]: /url 'title'");
+        parse("[foo]: /url 'title'");
         assertEquals(State.START_DEFINITION, parser.getState());
         assertParagraphLines("", parser);
 
@@ -105,12 +102,11 @@ public void testTitle() {
 
     @Test
     public void testTitleStartWhitespace() {
-        LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
-        parser.parse("[foo]: /url");
+        parse("[foo]: /url");
         assertEquals(State.START_TITLE, parser.getState());
         assertParagraphLines("", parser);
 
-        parser.parse("   ");
+        parse("   ");
 
         assertEquals(State.START_DEFINITION, parser.getState());
         assertParagraphLines("   ", parser);
@@ -121,18 +117,17 @@ public void testTitleStartWhitespace() {
 
     @Test
     public void testTitleMultiline() {
-        LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
-        parser.parse("[foo]: /url 'two");
+        parse("[foo]: /url 'two");
         assertEquals(State.TITLE, parser.getState());
         assertParagraphLines("[foo]: /url 'two", parser);
         assertEquals(0, parser.getDefinitions().size());
 
-        parser.parse("lines");
+        parse("lines");
         assertEquals(State.TITLE, parser.getState());
         assertParagraphLines("[foo]: /url 'two\nlines", parser);
         assertEquals(0, parser.getDefinitions().size());
 
-        parser.parse("'");
+        parse("'");
         assertEquals(State.START_DEFINITION, parser.getState());
         assertParagraphLines("", parser);
 
@@ -142,10 +137,9 @@ public void testTitleMultiline() {
 
     @Test
     public void testTitleMultiline2() {
-        LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
-        parser.parse("[foo]: /url '");
+        parse("[foo]: /url '");
         assertEquals(State.TITLE, parser.getState());
-        parser.parse("title'");
+        parse("title'");
         assertEquals(State.START_DEFINITION, parser.getState());
 
         assertDef(parser.getDefinitions().get(0), "foo", "/url", "\ntitle");
@@ -158,13 +152,18 @@ public void testTitleInvalid() {
         assertParagraph("[foo]: /url 'title' INVALID");
     }
 
+    private void parse(String content) {
+        parser.parse(SourceLine.of(content, null));
+    }
+
     private static void assertParagraph(String input) {
         assertState(input, State.PARAGRAPH, input);
     }
 
     private static void assertState(String input, State state, String paragraphContent) {
         LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
-        parser.parse(input);
+        // TODO: Should we check things with source spans here?
+        parser.parse(SourceLine.of(input, null));
         assertEquals(state, parser.getState());
         assertParagraphLines(paragraphContent, parser);
     }
@@ -176,14 +175,7 @@ private static void assertDef(LinkReferenceDefinition def, String label, String
     }
 
     private static void assertParagraphLines(String expectedContent, LinkReferenceDefinitionParser parser) {
-        StringBuilder sb = new StringBuilder();
-        for (CharSequence line : parser.getParagraphLines()) {
-            if (sb.length() != 0) {
-                sb.append('\n');
-            }
-            sb.append(line);
-        }
-        String actual = sb.toString();
+        String actual = parser.getParagraphLines().getContent();
         assertEquals(expectedContent, actual);
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
index c68140a71..e7728c000 100644
--- a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
@@ -1,5 +1,8 @@
 package org.commonmark.internal.inline;
 
+import org.commonmark.node.SourceSpan;
+import org.commonmark.parser.SourceLine;
+import org.commonmark.parser.SourceLines;
 import org.junit.Test;
 
 import java.util.Arrays;
@@ -11,7 +14,9 @@ public class ScannerTest {
 
     @Test
     public void testNext() {
-        Scanner scanner = new Scanner(Collections.<CharSequence>singletonList("foo bar"), 0, 4);
+        Scanner scanner = new Scanner(Collections.singletonList(
+                SourceLine.of("foo bar", null)),
+                0, 4);
         assertEquals('b', scanner.peek());
         scanner.next();
         assertEquals('a', scanner.peek());
@@ -23,7 +28,10 @@ public void testNext() {
 
     @Test
     public void testMultipleLines() {
-        Scanner scanner = new Scanner(Arrays.<CharSequence>asList("ab", "cde"), 0, 0);
+        Scanner scanner = new Scanner(Arrays.asList(
+                SourceLine.of("ab", null),
+                SourceLine.of("cde", null)),
+                0, 0);
         assertTrue(scanner.hasNext());
         assertEquals('\0', scanner.peekPrevious());
         assertEquals('a', scanner.peek());
@@ -59,30 +67,73 @@ public void testMultipleLines() {
         assertEquals('\0', scanner.peek());
     }
 
+
     @Test
     public void testTextBetween() {
-        Scanner scanner = new Scanner(Arrays.<CharSequence>asList("ab", "cde"), 0, 0);
+        Scanner scanner = new Scanner(Arrays.asList(
+                SourceLine.of("ab", SourceSpan.of(10, 3, 2)),
+                SourceLine.of("cde", SourceSpan.of(11, 4, 3))),
+                0, 0);
+
         Position start = scanner.position();
+
         scanner.next();
-        assertEquals("a", scanner.textBetween(start, scanner.position()));
+        assertSourceLines(scanner.textBetween(start, scanner.position()),
+                "a",
+                SourceSpan.of(10, 3, 1));
+
         Position afterA = scanner.position();
+
         scanner.next();
-        assertEquals("ab", scanner.textBetween(start, scanner.position()));
+        assertSourceLines(scanner.textBetween(start, scanner.position()),
+                "ab",
+                SourceSpan.of(10, 3, 2));
+
+        Position afterB = scanner.position();
+
         scanner.next();
-        assertEquals("ab\n", scanner.textBetween(start, scanner.position()));
+        assertSourceLines(scanner.textBetween(start, scanner.position()),
+                "ab\n",
+                SourceSpan.of(10, 3, 2));
+
         scanner.next();
-        assertEquals("ab\nc", scanner.textBetween(start, scanner.position()));
+        assertSourceLines(scanner.textBetween(start, scanner.position()),
+                "ab\nc",
+                SourceSpan.of(10, 3, 2),
+                SourceSpan.of(11, 4, 1));
+
         scanner.next();
-        assertEquals("ab\ncd", scanner.textBetween(start, scanner.position()));
+        assertSourceLines(scanner.textBetween(start, scanner.position()),
+                "ab\ncd",
+                SourceSpan.of(10, 3, 2),
+                SourceSpan.of(11, 4, 2));
+
         scanner.next();
-        assertEquals("ab\ncde", scanner.textBetween(start, scanner.position()));
+        assertSourceLines(scanner.textBetween(start, scanner.position()),
+                "ab\ncde",
+                SourceSpan.of(10, 3, 2),
+                SourceSpan.of(11, 4, 3));
+
+        assertSourceLines(scanner.textBetween(afterA, scanner.position()),
+                "b\ncde",
+                SourceSpan.of(10, 4, 1),
+                SourceSpan.of(11, 4, 3));
+
+        assertSourceLines(scanner.textBetween(afterB, scanner.position()),
+                "\ncde",
+                SourceSpan.of(11, 4, 3));
+    }
 
-        assertEquals("b\ncde", scanner.textBetween(afterA, scanner.position()));
+    private void assertSourceLines(SourceLines sourceLines, String expectedContent, SourceSpan... expectedSourceSpans) {
+        assertEquals(expectedContent, sourceLines.getContent());
+        assertEquals(Arrays.asList(expectedSourceSpans), sourceLines.getSourceSpans());
     }
 
     @Test
     public void nextString() {
-        Scanner scanner = Scanner.of(Arrays.<CharSequence>asList("hey ya", "hi"));
+        Scanner scanner = Scanner.of(SourceLines.of(Arrays.asList(
+                SourceLine.of("hey ya", null),
+                SourceLine.of("hi", null))));
         assertFalse(scanner.next("hoy"));
         assertTrue(scanner.next("hey"));
         assertTrue(scanner.next(' '));
diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index 216bdeefe..b3a8b2d3d 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -1,10 +1,7 @@
 package org.commonmark.test;
 
 import org.commonmark.node.*;
-import org.commonmark.parser.InlineParser;
-import org.commonmark.parser.InlineParserContext;
-import org.commonmark.parser.InlineParserFactory;
-import org.commonmark.parser.Parser;
+import org.commonmark.parser.*;
 import org.commonmark.parser.block.*;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.TestResources;
@@ -103,7 +100,7 @@ public void indentation() {
     public void inlineParser() {
         final InlineParser fakeInlineParser = new InlineParser() {
             @Override
-            public void parse(List<CharSequence> lines, Node node) {
+            public void parse(SourceLines lines, Node node) {
                 node.appendChild(new ThematicBreak());
             }
         };

From 6f060a02fe020e6d135b6576f5a7d6f0bbfce860 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 11 Sep 2020 21:35:37 +1000
Subject: [PATCH 081/450] Tests passing :). Still need to write tests for the
 various inlines, fix TODOs

---
 .../gfm/tables/internal/TableBlockParser.java | 90 ++++++++-----------
 .../commonmark/ext/gfm/tables/TablesTest.java | 10 ++-
 .../internal/YamlFrontMatterBlockParser.java  |  4 +-
 .../commonmark/internal/DocumentParser.java   |  1 +
 .../internal/FencedCodeBlockParser.java       |  4 +-
 .../commonmark/internal/HeadingParser.java    | 12 +--
 .../commonmark/internal/InlineParserImpl.java | 10 ++-
 .../LinkReferenceDefinitionParser.java        |  6 +-
 .../internal/inline/AutolinkInlineParser.java |  4 -
 .../inline/BackticksInlineParser.java         |  3 +-
 .../internal/inline/EntityInlineParser.java   |  2 +-
 .../internal/inline/HtmlInlineParser.java     |  2 +-
 .../commonmark/parser/block/ParserState.java  |  2 +-
 .../java/org/commonmark/test/ParserTest.java  |  2 +-
 14 files changed, 72 insertions(+), 80 deletions(-)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index 59eb89883..df577e9f4 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -1,24 +1,25 @@
 package org.commonmark.ext.gfm.tables.internal;
 
 import org.commonmark.ext.gfm.tables.*;
+import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.Block;
 import org.commonmark.node.Node;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.SourceLine;
+import org.commonmark.parser.SourceLines;
 import org.commonmark.parser.block.*;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 public class TableBlockParser extends AbstractBlockParser {
 
     private final TableBlock block = new TableBlock();
-    private final List<CharSequence> rowLines = new ArrayList<>();
+    private final List<SourceLine> rowLines = new ArrayList<>();
     private final List<TableCell.Alignment> columns;
 
-    private TableBlockParser(List<TableCell.Alignment> columns, CharSequence headerLine) {
+    private TableBlockParser(List<TableCell.Alignment> columns, SourceLine headerLine) {
         this.columns = columns;
         this.rowLines.add(headerLine);
     }
@@ -35,7 +36,7 @@ public Block getBlock() {
 
     @Override
     public BlockContinue tryContinue(ParserState state) {
-        if (state.getLine().toString().contains("|")) {
+        if (Parsing.find('|', state.getLine().getContent(), 0) != -1) {
             return BlockContinue.atIndex(state.getIndex());
         } else {
             return BlockContinue.none();
@@ -44,8 +45,7 @@ public BlockContinue tryContinue(ParserState state) {
 
     @Override
     public void addLine(SourceLine line) {
-        // TODO: Need to preserve these for inlines
-        rowLines.add(line.getContent());
+        rowLines.add(line);
     }
 
     @Override
@@ -63,10 +63,10 @@ public void parseInlines(InlineParser inlineParser) {
         headerRow.setSourceSpans(head.getSourceSpans());
         head.appendChild(headerRow);
 
-        List<CellSource> headerCells = split(rowLines.get(0), headerSourceSpan);
+        List<SourceLine> headerCells = split(rowLines.get(0));
         int headerColumns = headerCells.size();
         for (int i = 0; i < headerColumns; i++) {
-            CellSource cell = headerCells.get(i);
+            SourceLine cell = headerCells.get(i);
             TableCell tableCell = parseCell(cell, i, inlineParser);
             tableCell.setHeader(true);
             headerRow.appendChild(tableCell);
@@ -75,15 +75,17 @@ public void parseInlines(InlineParser inlineParser) {
         TableBody body = null;
         // Body starts at index 2. 0 is header, 1 is separator.
         for (int rowIndex = 2; rowIndex < rowLines.size(); rowIndex++) {
-            CharSequence rowLine = rowLines.get(rowIndex);
+            SourceLine rowLine = rowLines.get(rowIndex);
             SourceSpan sourceSpan = rowIndex < sourceSpans.size() ? sourceSpans.get(rowIndex) : null;
-            List<CellSource> cells = split(rowLine, sourceSpan);
+            List<SourceLine> cells = split(rowLine);
             TableRow row = new TableRow();
-            row.addSourceSpan(sourceSpan);
+            if (sourceSpan != null) {
+                row.addSourceSpan(sourceSpan);
+            }
 
             // Body can not have more columns than head
             for (int i = 0; i < headerColumns; i++) {
-                CellSource cell = i < cells.size() ? cells.get(i) : new CellSource("", null);
+                SourceLine cell = i < cells.size() ? cells.get(i) : SourceLine.of("", null);
                 TableCell tableCell = parseCell(cell, i, inlineParser);
                 row.appendChild(tableCell);
             }
@@ -98,27 +100,29 @@ public void parseInlines(InlineParser inlineParser) {
         }
     }
 
-    private TableCell parseCell(CellSource cell, int column, InlineParser inlineParser) {
+    private TableCell parseCell(SourceLine cell, int column, InlineParser inlineParser) {
         TableCell tableCell = new TableCell();
+        SourceSpan sourceSpan = cell.getSourceSpan();
+        if (sourceSpan != null) {
+            tableCell.addSourceSpan(sourceSpan);
+        }
 
         if (column < columns.size()) {
             tableCell.setAlignment(columns.get(column));
         }
 
-        if (cell.sourceSpan != null) {
-            tableCell.setSourceSpans(Collections.singletonList(cell.sourceSpan));
-        }
-
-        // TODO: Need to fix
-        SourceLine line = SourceLine.of(cell.content.trim(), null);
-        inlineParser.parse(Collections.singletonList(line), tableCell);
+        CharSequence content = cell.getContent();
+        int start = Parsing.skipSpaceTab(content, 0, content.length());
+        int end = Parsing.skipSpaceTabBackwards(content, content.length() - 1, start);
+        inlineParser.parse(SourceLines.of(cell.substring(start, end + 1)), tableCell);
 
         return tableCell;
     }
 
-    private static List<CellSource> split(CharSequence row, SourceSpan rowSourceSpan) {
+    private static List<SourceLine> split(SourceLine line) {
+        CharSequence row = line.getContent();
         int cellStart = row.charAt(0) == '|' ? 1 : 0;
-        List<CellSource> cells = new ArrayList<>();
+        List<SourceLine> cells = new ArrayList<>();
         StringBuilder sb = new StringBuilder();
         for (int i = cellStart; i < row.length(); i++) {
             char c = row.charAt(i);
@@ -137,7 +141,8 @@ private static List<CellSource> split(CharSequence row, SourceSpan rowSourceSpan
                     break;
                 case '|':
                     String content = sb.toString();
-                    cells.add(CellSource.of(content, rowSourceSpan, cellStart));
+
+                    cells.add(SourceLine.of(content, line.substring(cellStart, i).getSourceSpan()));
                     sb.setLength(0);
                     // + 1 to skip the pipe itself for the next cell's span
                     cellStart = i + 1;
@@ -148,7 +153,7 @@ private static List<CellSource> split(CharSequence row, SourceSpan rowSourceSpan
         }
         if (sb.length() > 0) {
             String content = sb.toString();
-            cells.add(CellSource.of(content, rowSourceSpan, cellStart));
+            cells.add(SourceLine.of(content, line.substring(cellStart, line.getContent().length()).getSourceSpan()));
         }
         return cells;
     }
@@ -240,14 +245,14 @@ public static class Factory extends AbstractBlockParserFactory {
 
         @Override
         public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
-            CharSequence line = state.getLine();
-            List<CharSequence> paragraphLines = matchedBlockParser.getParagraphLines();
-            if (paragraphLines.size() == 1 && paragraphLines.get(0).toString().contains("|")) {
-                CharSequence separatorLine = line.subSequence(state.getIndex(), line.length());
-                List<TableCell.Alignment> columns = parseSeparator(separatorLine);
+            List<SourceLine> paragraphLines = matchedBlockParser.getParagraphLines().getLines();
+            if (paragraphLines.size() == 1 && Parsing.find('|', paragraphLines.get(0).getContent(), 0) != -1) {
+                SourceLine line = state.getLine();
+                SourceLine separatorLine = line.substring(state.getIndex(), line.getContent().length());
+                List<TableCell.Alignment> columns = parseSeparator(separatorLine.getContent());
                 if (columns != null && !columns.isEmpty()) {
-                    CharSequence paragraph = paragraphLines.get(0);
-                    List<CellSource> headerCells = split(paragraph, null);
+                    SourceLine paragraph = paragraphLines.get(0);
+                    List<SourceLine> headerCells = split(paragraph);
                     if (columns.size() >= headerCells.size()) {
                         return BlockStart.of(new TableBlockParser(columns, paragraph))
                                 .atIndex(state.getIndex())
@@ -258,27 +263,4 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             return BlockStart.none();
         }
     }
-
-    private static class CellSource {
-
-        private final String content;
-        private final SourceSpan sourceSpan;
-
-        public static CellSource of(String content, SourceSpan rowSourceSpan, int offset) {
-            if (!content.isEmpty()) {
-                SourceSpan sourceSpan = null;
-                if (rowSourceSpan != null) {
-                    sourceSpan = SourceSpan.of(rowSourceSpan.getLineIndex(), rowSourceSpan.getColumnIndex() + offset, content.length());
-                }
-                return new CellSource(content, sourceSpan);
-            } else {
-                return new CellSource(content, null);
-            }
-        }
-
-        private CellSource(String content, SourceSpan sourceSpan) {
-            this.content = content;
-            this.sourceSpan = sourceSpan;
-        }
-    }
 }
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index 8af4a0ec7..20fa1f70e 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -3,8 +3,8 @@
 import org.commonmark.Extension;
 import org.commonmark.node.Node;
 import org.commonmark.node.SourceSpan;
-import org.commonmark.parser.Parser;
 import org.commonmark.parser.IncludeSourceSpans;
+import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.AttributeProvider;
 import org.commonmark.renderer.html.AttributeProviderContext;
 import org.commonmark.renderer.html.AttributeProviderFactory;
@@ -651,7 +651,7 @@ public void setAttributes(Node node, String tagName, Map<String, String> attribu
     public void sourceSpans() {
         Parser parser = Parser.builder()
                 .extensions(EXTENSIONS)
-                .includeSourceSpans(IncludeSourceSpans.BLOCKS)
+                .includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES)
                 .build();
         Node document = parser.parse("Abc|Def\n---|---\n|1|2\n 3|four|\n|||\n");
 
@@ -668,7 +668,9 @@ public void sourceSpans() {
         TableCell headRowCell1 = (TableCell) headRow.getFirstChild();
         TableCell headRowCell2 = (TableCell) headRow.getLastChild();
         assertEquals(Arrays.asList(SourceSpan.of(0, 0, 3)), headRowCell1.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 3)), headRowCell1.getFirstChild().getSourceSpans());
         assertEquals(Arrays.asList(SourceSpan.of(0, 4, 3)), headRowCell2.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(0, 4, 3)), headRowCell2.getFirstChild().getSourceSpans());
 
         TableBody body = (TableBody) block.getLastChild();
         assertEquals(Arrays.asList(SourceSpan.of(2, 0, 4), SourceSpan.of(3, 0, 8), SourceSpan.of(4, 0, 3)), body.getSourceSpans());
@@ -678,14 +680,18 @@ public void sourceSpans() {
         TableCell bodyRow1Cell1 = (TableCell) bodyRow1.getFirstChild();
         TableCell bodyRow1Cell2 = (TableCell) bodyRow1.getLastChild();
         assertEquals(Arrays.asList(SourceSpan.of(2, 1, 1)), bodyRow1Cell1.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(2, 1, 1)), bodyRow1Cell1.getFirstChild().getSourceSpans());
         assertEquals(Arrays.asList(SourceSpan.of(2, 3, 1)), bodyRow1Cell2.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(2, 3, 1)), bodyRow1Cell2.getFirstChild().getSourceSpans());
 
         TableRow bodyRow2 = (TableRow) body.getFirstChild().getNext();
         assertEquals(Arrays.asList(SourceSpan.of(3, 0, 8)), bodyRow2.getSourceSpans());
         TableCell bodyRow2Cell1 = (TableCell) bodyRow2.getFirstChild();
         TableCell bodyRow2Cell2 = (TableCell) bodyRow2.getLastChild();
         assertEquals(Arrays.asList(SourceSpan.of(3, 0, 2)), bodyRow2Cell1.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(3, 1, 1)), bodyRow2Cell1.getFirstChild().getSourceSpans());
         assertEquals(Arrays.asList(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getFirstChild().getSourceSpans());
 
         TableRow bodyRow3 = (TableRow) body.getLastChild();
         assertEquals(Arrays.asList(SourceSpan.of(4, 0, 3)), bodyRow3.getSourceSpans());
diff --git a/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java b/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
index 86d827876..da56801e0 100644
--- a/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
+++ b/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
@@ -43,7 +43,7 @@ public void addLine(SourceLine line) {
 
     @Override
     public BlockContinue tryContinue(ParserState parserState) {
-        final CharSequence line = parserState.getLine();
+        final CharSequence line = parserState.getLine().getContent();
 
         if (REGEX_END.matcher(line).matches()) {
             if (currentKey != null) {
@@ -96,7 +96,7 @@ public void parseInlines(InlineParser inlineParser) {
     public static class Factory extends AbstractBlockParserFactory {
         @Override
         public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
-            CharSequence line = state.getLine();
+            CharSequence line = state.getLine().getContent();
             BlockParser parentParser = matchedBlockParser.getMatchedBlockParser();
             // check whether this line is the first line of whole document or not
             if (parentParser instanceof DocumentBlockParser && parentParser.getBlock().getFirstChild() == null &&
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index c07d7ba78..1211f2230 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -142,6 +142,7 @@ public Document parse(Reader input) throws IOException {
     public SourceLine getLine() {
         SourceSpan sourceSpan = null;
         if (includeSourceSpans != IncludeSourceSpans.NONE) {
+            // TODO: is this wrong? Should be 0 shouldn't it?
             sourceSpan = SourceSpan.of(lineIndex, index, line.length());
         }
         return SourceLine.of(line, sourceSpan);
diff --git a/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
index 86eec3675..536d8beff 100644
--- a/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
@@ -50,9 +50,9 @@ public BlockContinue tryContinue(ParserState state) {
     @Override
     public void addLine(SourceLine line) {
         if (firstLine == null) {
-            firstLine = line.toString();
+            firstLine = line.getContent().toString();
         } else {
-            otherLines.append(line);
+            otherLines.append(line.getContent());
             otherLines.append('\n');
         }
     }
diff --git a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
index a7d856790..9e8c54075 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
@@ -45,12 +45,12 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             }
 
             SourceLine line = state.getLine();
-            HeadingParser atxHeading = getAtxHeading(line);
+            int nextNonSpace = state.getNextNonSpaceIndex();
+            HeadingParser atxHeading = getAtxHeading(line.substring(nextNonSpace, line.getContent().length()));
             if (atxHeading != null) {
                 return BlockStart.of(atxHeading).atIndex(line.getContent().length());
             }
 
-            int nextNonSpace = state.getNextNonSpaceIndex();
             int setextHeadingLevel = getSetextHeadingLevel(line.getContent(), nextNonSpace);
             if (setextHeadingLevel > 0) {
                 SourceLines paragraph = matchedBlockParser.getParagraphLines();
@@ -71,7 +71,6 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
     // must be preceded by a space and may be followed by spaces only.
     private static HeadingParser getAtxHeading(SourceLine line) {
         Scanner scanner = Scanner.of(SourceLines.of(line));
-        scanner.whitespace();
         int level = scanner.matchMultiple('#');
 
         if (level == 0 || level > 6) {
@@ -99,9 +98,12 @@ private static HeadingParser getAtxHeading(SourceLine line) {
                 case '#':
                     if (hashCanEnd) {
                         scanner.matchMultiple('#');
-                        scanner.whitespace();
+                        int whitespace = scanner.whitespace();
                         // If there's other characters, the hashes and spaces were part of the heading
-                        hashCanEnd = false;
+                        if (scanner.hasNext()) {
+                            end = scanner.position();
+                        }
+                        hashCanEnd = whitespace > 0;
                     } else {
                         scanner.next();
                         end = scanner.position();
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index e4cd1e737..2cc793698 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -29,6 +29,7 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
     private final Map<Character, List<InlineContentParser>> inlineParsers;
 
     private Scanner scanner;
+    private boolean includeSourceSpans;
     private int trailingSpaces;
 
     /**
@@ -144,6 +145,7 @@ public void parse(SourceLines lines, Node block) {
 
     void reset(SourceLines lines) {
         this.scanner = Scanner.of(lines);
+        this.includeSourceSpans = !lines.getSourceSpans().isEmpty();
         this.trailingSpaces = 0;
         this.lastDelimiter = null;
         this.lastBracket = null;
@@ -179,9 +181,13 @@ private Node parseInline() {
                 ParsedInline parsedInline = inlineParser.tryParse(this);
                 if (parsedInline instanceof ParsedInlineImpl) {
                     ParsedInlineImpl parsedInlineImpl = (ParsedInlineImpl) parsedInline;
-                    // TODO: Should we set source spans here? Or let the inline parsers set it?
+                    Node node = parsedInlineImpl.getNode();
                     scanner.setPosition(parsedInlineImpl.getPosition());
-                    return parsedInlineImpl.getNode();
+                    // TODO: Should we set source spans here? Or let the inline parsers set it?
+                    if (includeSourceSpans) {
+                        node.setSourceSpans(scanner.textBetween(position, scanner.position()).getSourceSpans());
+                    }
+                    return node;
                 } else {
                     // Reset position
                     scanner.setPosition(position);
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index 38f5cc4a9..6178d8b64 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -121,7 +121,7 @@ private boolean label(Scanner scanner) {
             return false;
         }
 
-        label.append(scanner.textBetween(start, scanner.position()));
+        label.append(scanner.textBetween(start, scanner.position()).getContent());
 
         if (!scanner.hasNext()) {
             // label might continue on next line
@@ -160,7 +160,7 @@ private boolean destination(Scanner scanner) {
             return false;
         }
 
-        String rawDestination = scanner.textBetween(start, scanner.position()).toString();
+        String rawDestination = scanner.textBetween(start, scanner.position()).getContent();
         destination = rawDestination.startsWith("<") ?
                 rawDestination.substring(1, rawDestination.length() - 1) :
                 rawDestination;
@@ -221,7 +221,7 @@ private boolean title(Scanner scanner) {
             return false;
         }
 
-        title.append(scanner.textBetween(start, scanner.position()));
+        title.append(scanner.textBetween(start, scanner.position()).getContent());
 
         if (!scanner.hasNext()) {
             // Title ran until the end of line, so continue on next line (until we find the delimiter)
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index 9b9c26f48..3f0ba871e 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -20,14 +20,12 @@ public class AutolinkInlineParser implements InlineContentParser {
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
-        Position linkStart = scanner.position();
         scanner.next();
         Position textStart = scanner.position();
         if (scanner.find('>') > 0) {
             SourceLines textSource = scanner.textBetween(textStart, scanner.position());
             String content = textSource.getContent();
             scanner.next();
-            Position linkEnd = scanner.position();
 
             String destination = null;
             if (URI.matcher(content).matches()) {
@@ -38,8 +36,6 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
 
             if (destination != null) {
                 Link link = new Link(destination, null);
-                // TODO: tests
-                link.setSourceSpans(scanner.textBetween(linkStart, linkEnd).getSourceSpans());
                 Text text = new Text(content);
                 text.setSourceSpans(textSource.getSourceSpans());
                 link.appendChild(text);
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index 42bd0b5c6..07e35e6bc 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -23,7 +23,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
             if (count == openingTicks) {
                 Code node = new Code();
 
-                String content = scanner.textBetween(afterOpening, beforeClosing).toString();
+                String content = scanner.textBetween(afterOpening, beforeClosing).getContent();
                 content = content.replace('\n', ' ');
 
                 // spec: If the resulting string both begins and ends with a space character, but does not consist
@@ -43,7 +43,6 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
         // If we got here, we didn't find a matching closing backtick sequence.
         SourceLines source = scanner.textBetween(start, afterOpening);
         Text text = new Text(source.getContent());
-        text.setSourceSpans(source.getSourceSpans());
         return ParsedInline.of(text, afterOpening);
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
index f0c330002..dce5438e9 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
@@ -48,7 +48,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
     }
 
     private ParsedInline entity(Scanner scanner, Position start) {
-        String text = scanner.textBetween(start, scanner.position()).toString();
+        String text = scanner.textBetween(start, scanner.position()).getContent();
         return ParsedInline.of(new Text(Html5Entities.entityToString(text)), scanner.position());
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index 1fe20ecb8..a60b0d7a8 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -69,7 +69,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
     }
 
     private static ParsedInline htmlInline(Position start, Scanner scanner) {
-        String text = scanner.textBetween(start, scanner.position()).toString();
+        String text = scanner.textBetween(start, scanner.position()).getContent();
         HtmlInline node = new HtmlInline();
         node.setLiteral(text);
         return ParsedInline.of(node, scanner.position());
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java b/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java
index 67bb6b608..7ec694238 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java
@@ -9,7 +9,7 @@
 public interface ParserState {
 
     /**
-     * @return the current line
+     * @return the current line being parsed (full line)
      */
     SourceLine getLine();
 
diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index b3a8b2d3d..e486750aa 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -176,7 +176,7 @@ private static class DashBlockParserFactory extends AbstractBlockParserFactory {
 
         @Override
         public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
-            if (state.getLine().equals("---")) {
+            if (state.getLine().getContent().equals("---")) {
                 return BlockStart.of(new DashBlockParser());
             }
             return BlockStart.none();

From 988526909a6bd75220e1c9d063a0fac60dfe92c6 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 14 Sep 2020 14:11:06 +1000
Subject: [PATCH 082/450] WIP inline source spans tests

---
 .../java/org/commonmark/internal/Bracket.java |  21 ++-
 .../commonmark/internal/InlineParserImpl.java |  45 +++++--
 .../org/commonmark/test/SourceSpansTest.java  | 124 +++++++++++++++---
 .../org/commonmark/test/SpecCoreTest.java     |   2 +-
 4 files changed, 156 insertions(+), 36 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/Bracket.java b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
index f66a79279..46296262f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/Bracket.java
+++ b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
@@ -9,10 +9,20 @@
 public class Bracket {
 
     public final Text node;
+
+    /**
+     * The position of the marker for the bracket (<code>[</code> or <code>![</code>)
+     */
+    public final Position markerPosition;
+
     /**
      * The position of the content (after the opening bracket)
      */
     public final Position contentPosition;
+
+    /**
+     * Whether this is an image or link.
+     */
     public final boolean image;
 
     /**
@@ -35,16 +45,17 @@ public class Bracket {
      */
     public boolean bracketAfter = false;
 
-    static public Bracket link(Text node, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
-        return new Bracket(node, contentPosition, previous, previousDelimiter, false);
+    static public Bracket link(Text node, Position markerPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
+        return new Bracket(node, markerPosition, contentPosition, previous, previousDelimiter, false);
     }
 
-    static public Bracket image(Text node, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
-        return new Bracket(node, contentPosition, previous, previousDelimiter, true);
+    static public Bracket image(Text node, Position markerPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
+        return new Bracket(node, markerPosition, contentPosition, previous, previousDelimiter, true);
     }
 
-    private Bracket(Text node, Position contentPosition, Bracket previous, Delimiter previousDelimiter, boolean image) {
+    private Bracket(Text node, Position markerPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter, boolean image) {
         this.node = node;
+        this.markerPosition = markerPosition;
         this.contentPosition = contentPosition;
         this.image = image;
         this.previous = previous;
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 2cc793698..12eebc03f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -183,8 +183,7 @@ private Node parseInline() {
                     ParsedInlineImpl parsedInlineImpl = (ParsedInlineImpl) parsedInline;
                     Node node = parsedInlineImpl.getNode();
                     scanner.setPosition(parsedInlineImpl.getPosition());
-                    // TODO: Should we set source spans here? Or let the inline parsers set it?
-                    if (includeSourceSpans) {
+                    if (includeSourceSpans && node.getSourceSpans().isEmpty()) {
                         node.setSourceSpans(scanner.textBetween(position, scanner.position()).getSourceSpans());
                     }
                     return node;
@@ -252,7 +251,7 @@ private Node parseOpenBracket() {
         Text node = text(scanner.textBetween(start, contentPosition));
 
         // Add entry to stack for this opener
-        addBracket(Bracket.link(node, contentPosition, lastBracket, lastDelimiter));
+        addBracket(Bracket.link(node, start, contentPosition, lastBracket, lastDelimiter));
 
         return node;
     }
@@ -265,10 +264,11 @@ private Node parseBang() {
         Position start = scanner.position();
         scanner.next();
         if (scanner.next('[')) {
-            Text node = text(scanner.textBetween(start, scanner.position()));
+            Position contentPosition = scanner.position();
+            Text node = text(scanner.textBetween(start, contentPosition));
 
             // Add entry to stack for this opener
-            addBracket(Bracket.image(node, scanner.position(), lastBracket, lastDelimiter));
+            addBracket(Bracket.image(node, start, contentPosition, lastBracket, lastDelimiter));
             return node;
         } else {
             return text(scanner.textBetween(start, scanner.position()));
@@ -351,9 +351,10 @@ private Node parseCloseBracket() {
         }
 
         if (dest != null) {
-            // If we got here, open is a potential opener
+            // If we got here, we have a link or image
             Node linkOrImage = opener.image ? new Image(dest, title) : new Link(dest, title);
 
+            // Add all nodes between the opening bracket and now (closing bracket) as child nodes of the link
             Node node = opener.node.getNext();
             while (node != null) {
                 Node next = node.getNext();
@@ -361,7 +362,9 @@ private Node parseCloseBracket() {
                 node = next;
             }
 
-            // TODO: source positions
+            if (includeSourceSpans) {
+                linkOrImage.setSourceSpans(scanner.textBetween(opener.markerPosition, scanner.position()).getSourceSpans());
+            }
 
             // Process delimiters such as emphasis inside link/image
             processDelimiters(opener.previousDelimiter);
@@ -507,7 +510,6 @@ private Node parseText() {
         }
 
         Text text = new Text(content);
-        // TODO: Test
         text.setSourceSpans(source.getSourceSpans());
         return text;
     }
@@ -621,6 +623,7 @@ private void processDelimiters(Delimiter stackBottom) {
             // Remove number of used delimiters from stack and inline nodes.
             opener.length -= useDelims;
             closer.length -= useDelims;
+            // TODO: Need to adjust source spans
             openerNode.setLiteral(
                     openerNode.getLiteral().substring(0,
                             openerNode.getLiteral().length() - useDelims));
@@ -739,18 +742,42 @@ private void mergeTextNodesInclusive(Node fromNode, Node toNode) {
     private void mergeIfNeeded(Text first, Text last, int textLength) {
         if (first != null && last != null && first != last) {
             StringBuilder sb = new StringBuilder(textLength);
+            List<SourceSpan> sourceSpans = Collections.emptyList();
+            if (includeSourceSpans) {
+                sourceSpans = new ArrayList<>(first.getSourceSpans());
+            }
             sb.append(first.getLiteral());
             Node node = first.getNext();
             Node stop = last.getNext();
             while (node != stop) {
                 sb.append(((Text) node).getLiteral());
+                if (includeSourceSpans) {
+                    mergeSourceSpans(sourceSpans, node.getSourceSpans());
+                }
+
                 Node unlink = node;
                 node = node.getNext();
                 unlink.unlink();
             }
-            // TODO: Need to merge sourcespans too
             String literal = sb.toString();
             first.setLiteral(literal);
+            first.setSourceSpans(sourceSpans);
+        }
+    }
+
+    private void mergeSourceSpans(List<SourceSpan> sourceSpans, List<SourceSpan> other) {
+        if (sourceSpans.isEmpty()) {
+            sourceSpans.addAll(other);
+        } else if (!other.isEmpty()) {
+            int lastIndex = sourceSpans.size() - 1;
+            SourceSpan a = sourceSpans.get(lastIndex);
+            SourceSpan b = other.get(0);
+            if (a.getLineIndex() == b.getLineIndex() && a.getColumnIndex() + a.getLength() == b.getColumnIndex()) {
+                sourceSpans.set(lastIndex, SourceSpan.of(a.getLineIndex(), a.getColumnIndex(), a.getLength() + b.getLength()));
+                sourceSpans.addAll(other.subList(1, other.size()));
+            } else {
+                sourceSpans.addAll(other);
+            }
         }
     }
 
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index 9fe1fac03..bd5d818ec 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -1,29 +1,20 @@
 package org.commonmark.test;
 
-import org.commonmark.node.BlockQuote;
-import org.commonmark.node.FencedCodeBlock;
-import org.commonmark.node.Heading;
-import org.commonmark.node.HtmlBlock;
-import org.commonmark.node.IndentedCodeBlock;
-import org.commonmark.node.LinkReferenceDefinition;
-import org.commonmark.node.ListBlock;
-import org.commonmark.node.ListItem;
-import org.commonmark.node.Node;
-import org.commonmark.node.Paragraph;
-import org.commonmark.node.SourceSpan;
-import org.commonmark.node.ThematicBreak;
+import org.commonmark.node.*;
 import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
 import org.junit.Test;
 
+import java.util.ArrayDeque;
 import java.util.Arrays;
+import java.util.Deque;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.fail;
 
 public class SourceSpansTest {
 
     private static final Parser PARSER = Parser.builder().includeSourceSpans(IncludeSourceSpans.BLOCKS).build();
+    private static final Parser INLINES_PARSER = Parser.builder().includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES).build();
 
     @Test
     public void paragraph() {
@@ -194,20 +185,111 @@ public void visualCheck() {
                 visualizeSourceSpans("> * ```\n>   foo\n>   ```"));
     }
 
+    @Test
+    public void inlineText() {
+        assertInlineSpans("foo", Text.class, SourceSpan.of(0, 0, 3));
+        assertInlineSpans("> foo", Text.class, SourceSpan.of(0, 2, 3));
+        assertInlineSpans("* foo", Text.class, SourceSpan.of(0, 2, 3));
+
+        // SourceSpans should be merged: ` is a separate Text node while inline parsing and gets merged at the end
+        assertInlineSpans("foo`bar", Text.class, SourceSpan.of(0, 0, 7));
+        assertInlineSpans("foo[bar", Text.class, SourceSpan.of(0, 0, 7));
+
+        assertInlineSpans("[foo](/url)", Text.class, SourceSpan.of(0, 1, 3));
+        assertInlineSpans("*foo*", Text.class, SourceSpan.of(0, 1, 3));
+    }
+
+    @Test
+    public void inlineAutolink() {
+        assertInlineSpans("see <https://example.org>", Link.class, SourceSpan.of(0, 4, 21));
+    }
+
+    @Test
+    public void inlineBackslash() {
+        assertInlineSpans("\\!", Text.class, SourceSpan.of(0, 0, 2));
+    }
+
+    @Test
+    public void inlineBackticks() {
+        assertInlineSpans("see `code`", Code.class, SourceSpan.of(0, 4, 6));
+        assertInlineSpans("`multi\nline`", Code.class,
+                SourceSpan.of(0, 0, 6),
+                SourceSpan.of(1, 0, 5));
+        assertInlineSpans("text ```", Text.class, SourceSpan.of(0, 0, 8));
+    }
+
+    @Test
+    public void inlineEntity() {
+        assertInlineSpans("&amp;", Text.class, SourceSpan.of(0, 0, 5));
+    }
+
+    @Test
+    public void inlineHtml() {
+        assertInlineSpans("hi <strong>there</strong>", HtmlInline.class, SourceSpan.of(0, 3, 8));
+    }
+
+    @Test
+    public void links() {
+        assertInlineSpans("[text](/url)", Link.class, SourceSpan.of(0, 0, 12));
+        assertInlineSpans("[text](/url)", Text.class, SourceSpan.of(0, 1, 4));
+
+        assertInlineSpans("[text]\n\n[text]: /url", Link.class, SourceSpan.of(0, 0, 6));
+        assertInlineSpans("[text]\n\n[text]: /url", Text.class, SourceSpan.of(0, 1, 4));
+        assertInlineSpans("[text][]\n\n[text]: /url", Link.class, SourceSpan.of(0, 0, 8));
+        assertInlineSpans("[text][]\n\n[text]: /url", Text.class, SourceSpan.of(0, 1, 4));
+        assertInlineSpans("[text][ref]\n\n[ref]: /url", Link.class, SourceSpan.of(0, 0, 11));
+        assertInlineSpans("[text][ref]\n\n[ref]: /url", Text.class, SourceSpan.of(0, 1, 4));
+        assertInlineSpans("[notalink]", Text.class, SourceSpan.of(0, 0, 10));
+    }
+
+    @Test
+    public void inlineEmphasis() {
+        assertInlineSpans("*hey*", Emphasis.class, SourceSpan.of(0, 0, 5));
+        assertInlineSpans("*hey*", Text.class, SourceSpan.of(0, 1, 3));
+        assertInlineSpans("**hey**", Emphasis.class, SourceSpan.of(0, 0, 7));
+        assertInlineSpans("**hey**", Text.class, SourceSpan.of(0, 2, 3));
+    }
+
+    // TODO:
+//    @Test
+//    public void tabOffset() {
+//        assertInlineSpans(">\t*foo*");
+//    }
+
     private String visualizeSourceSpans(String source) {
         Node document = PARSER.parse(source);
         return SourceSpanRenderer.render(document, source);
     }
 
+
     private static void assertSpans(String input, Class<? extends Node> nodeClass, SourceSpan... expectedSourceSpans) {
-        Node node = PARSER.parse(input);
-        while (node != null && !nodeClass.isInstance(node)) {
-            node = node.getFirstChild();
-        }
-        if (node == null) {
-            fail("Expected to find " + nodeClass + " node");
-        } else {
-            assertEquals(Arrays.asList(expectedSourceSpans), node.getSourceSpans());
+        assertSpans(PARSER.parse(input), nodeClass, expectedSourceSpans);
+    }
+
+    private static void assertInlineSpans(String input, Class<? extends Node> nodeClass, SourceSpan... expectedSourceSpans) {
+        assertSpans(INLINES_PARSER.parse(input), nodeClass, expectedSourceSpans);
+    }
+
+    private static void assertSpans(Node rootNode, Class<? extends Node> nodeClass, SourceSpan... expectedSourceSpans) {
+        Node node = findNode(rootNode, nodeClass);
+        assertEquals(Arrays.asList(expectedSourceSpans), node.getSourceSpans());
+    }
+
+    private static Node findNode(Node rootNode, Class<? extends Node> nodeClass) {
+        Deque<Node> nodes = new ArrayDeque<>();
+        nodes.add(rootNode);
+        while (!nodes.isEmpty()) {
+            Node node = nodes.removeFirst();
+            if (nodeClass.isInstance(node)) {
+                return node;
+            }
+            if (node.getFirstChild() != null) {
+                nodes.addFirst(node.getFirstChild());
+            }
+            if (node.getNext() != null) {
+                nodes.addLast(node.getNext());
+            }
         }
+        throw new AssertionError("Expected to find " + nodeClass + " node");
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java b/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java
index 4e416264f..e4820f09c 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java
@@ -1,10 +1,10 @@
 package org.commonmark.test;
 
-import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.node.AbstractVisitor;
 import org.commonmark.node.Node;
 import org.commonmark.node.Text;
 import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.SpecTestCase;
 import org.commonmark.testutil.example.Example;
 import org.junit.Test;

From 66e15d7413623104f9a5518be3e1877e19d7616d Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Tue, 13 Oct 2020 09:20:01 +0000
Subject: [PATCH 083/450] Bump junit from 4.12 to 4.13.1

Bumps [junit](https://github.com/junit-team/junit4) from 4.12 to 4.13.1.
- [Release notes](https://github.com/junit-team/junit4/releases)
- [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.12.md)
- [Commits](https://github.com/junit-team/junit4/compare/r4.12...r4.13.1)

Signed-off-by: dependabot[bot] <support@github.com>
---
 pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index d81dc186a..7b80779f1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -141,7 +141,7 @@
             <dependency>
                 <groupId>junit</groupId>
                 <artifactId>junit</artifactId>
-                <version>4.12</version>
+                <version>4.13.1</version>
             </dependency>
             <dependency>
                 <groupId>org.openjdk.jmh</groupId>

From e0348ad445e278374577cc3ffc4bef9509dac83d Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 28 Oct 2020 12:29:06 +1100
Subject: [PATCH 084/450] README: Fix build status badge

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index b981e7089..b9718e9f2 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Java library for parsing and rendering [Markdown] text according to the
 
 [![Maven Central status](https://img.shields.io/maven-central/v/com.atlassian.commonmark/commonmark.svg)](https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22com.atlassian.commonmark%22)
 [![javadoc](https://www.javadoc.io/badge/com.atlassian.commonmark/commonmark.svg?color=blue)](https://www.javadoc.io/doc/com.atlassian.commonmark/commonmark)
-[![Build status](https://travis-ci.org/atlassian/commonmark-java.svg?branch=master)](https://travis-ci.org/atlassian/commonmark-java)
+[![ci](https://github.com/atlassian/commonmark-java/workflows/ci/badge.svg)](https://github.com/atlassian/commonmark-java/actions?query=workflow%3Aci)
 [![codecov](https://codecov.io/gh/atlassian/commonmark-java/branch/master/graph/badge.svg)](https://codecov.io/gh/atlassian/commonmark-java)
 [![SourceSpy Dashboard](https://sourcespy.com/shield.svg)](https://sourcespy.com/github/atlassiancommonmarkjava/)
 

From 62c0e0ff3a21b81814a154ed45b0575a67abe711 Mon Sep 17 00:00:00 2001
From: Renovate Bot <bot@renovateapp.com>
Date: Thu, 12 Nov 2020 22:34:04 +0000
Subject: [PATCH 085/450] Add renovate.json

---
 renovate.json | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 renovate.json

diff --git a/renovate.json b/renovate.json
new file mode 100644
index 000000000..f45d8f110
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,5 @@
+{
+  "extends": [
+    "config:base"
+  ]
+}

From 2cebcadd10fa2f14481b22dce4611aa75ff660b6 Mon Sep 17 00:00:00 2001
From: javaor <69024684+javaor@users.noreply.github.com>
Date: Wed, 18 Nov 2020 14:33:22 +0800
Subject: [PATCH 086/450] add dot match in metadata

support below format:
---
ms.author: <author>
ms.date: yyyy/MM/dd
---
---
 .../ext/front/matter/internal/YamlFrontMatterBlockParser.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java b/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
index 5612d9ffd..89c47548f 100644
--- a/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
+++ b/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
@@ -13,7 +13,7 @@
 import java.util.regex.Pattern;
 
 public class YamlFrontMatterBlockParser extends AbstractBlockParser {
-    private static final Pattern REGEX_METADATA = Pattern.compile("^[ ]{0,3}([A-Za-z0-9_-]+):\\s*(.*)");
+    private static final Pattern REGEX_METADATA = Pattern.compile("^[ ]{0,3}([A-Za-z0-9._-]+):\\s*(.*)");
     private static final Pattern REGEX_METADATA_LIST = Pattern.compile("^[ ]+-\\s*(.*)");
     private static final Pattern REGEX_METADATA_LITERAL = Pattern.compile("^\\s*(.*)");
     private static final Pattern REGEX_BEGIN = Pattern.compile("^-{3}(\\s.*)?");

From fdc0f24cc2d91ab3535fe664ae737c7b307c95f0 Mon Sep 17 00:00:00 2001
From: javaor <69024684+javaor@users.noreply.github.com>
Date: Wed, 18 Nov 2020 16:18:53 +0800
Subject: [PATCH 087/450] typo

---
 .../org/commonmark/renderer/text/TextContentRenderer.java     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
index d38f99972..aacfbb82a 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
@@ -100,9 +100,9 @@ public Builder nodeRendererFactory(TextContentNodeRendererFactory nodeRendererFa
         public Builder extensions(Iterable<? extends Extension> extensions) {
             for (Extension extension : extensions) {
                 if (extension instanceof TextContentRenderer.TextContentRendererExtension) {
-                    TextContentRenderer.TextContentRendererExtension htmlRendererExtension =
+                    TextContentRenderer.TextContentRendererExtension textContentRendererExtension =
                             (TextContentRenderer.TextContentRendererExtension) extension;
-                    htmlRendererExtension.extend(this);
+                    textContentRendererExtension.extend(this);
                 }
             }
             return this;

From 76fcc42d0019cc9aae579bda92a320db073cac27 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 27 Nov 2020 16:04:20 +1100
Subject: [PATCH 088/450] Source spans for delimiter processors

Needed some changes to the DelimiterProcessor and DelimiterRun APIs, but
didn't turn out too bad.
---
 .../StrikethroughDelimiterProcessor.java      |  40 +++--
 .../gfm/strikethrough/StrikethroughTest.java  |  18 ++
 .../ImageAttributesDelimiterProcessor.java    | 100 +++++------
 .../image/attributes/ImageAttributesTest.java |  27 ++-
 .../ins/internal/InsDelimiterProcessor.java   |  40 +++--
 .../java/org/commonmark/ext/ins/InsTest.java  |  18 ++
 .../org/commonmark/internal/Delimiter.java    |  55 ++++--
 .../commonmark/internal/InlineParserImpl.java | 160 +++++++-----------
 .../internal/StaggeredDelimiterProcessor.java |  10 +-
 .../inline/EmphasisDelimiterProcessor.java    |  47 ++---
 .../main/java/org/commonmark/node/Nodes.java  |  64 +++++++
 .../java/org/commonmark/node/SourceSpans.java |  51 ++++++
 .../parser/delimiter/DelimiterProcessor.java  |  27 +--
 .../parser/delimiter/DelimiterRun.java        |  32 +++-
 .../test/DelimiterProcessorTest.java          |  43 ++---
 .../org/commonmark/test/SourceSpansTest.java  |  17 +-
 .../org/commonmark/test/SpecialInputTest.java |   5 +
 17 files changed, 472 insertions(+), 282 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/node/Nodes.java
 create mode 100644 commonmark/src/main/java/org/commonmark/node/SourceSpans.java

diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
index dd881b419..7d54eedf2 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
@@ -2,6 +2,8 @@
 
 import org.commonmark.ext.gfm.strikethrough.Strikethrough;
 import org.commonmark.node.Node;
+import org.commonmark.node.Nodes;
+import org.commonmark.node.SourceSpans;
 import org.commonmark.node.Text;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.parser.delimiter.DelimiterRun;
@@ -24,27 +26,31 @@ public int getMinLength() {
     }
 
     @Override
-    public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
-        if (opener.length() >= 2 && closer.length() >= 2) {
+    public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
+        if (openingRun.length() >= 2 && closingRun.length() >= 2) {
             // Use exactly two delimiters even if we have more, and don't care about internal openers/closers.
+
+            Text opener = openingRun.getOpener();
+
+            // Wrap nodes between delimiters in strikethrough.
+            Node strikethrough = new Strikethrough();
+
+            SourceSpans sourceSpans = new SourceSpans();
+            sourceSpans.addAllFrom(openingRun.getOpeners(2));
+
+            for (Node node : Nodes.between(opener, closingRun.getCloser())) {
+                strikethrough.appendChild(node);
+                sourceSpans.addAll(node.getSourceSpans());
+            }
+
+            sourceSpans.addAllFrom(closingRun.getClosers(2));
+            strikethrough.setSourceSpans(sourceSpans.getSourceSpans());
+
+            opener.insertAfter(strikethrough);
+
             return 2;
         } else {
             return 0;
         }
     }
-
-    @Override
-    public void process(Text opener, Text closer, int delimiterCount) {
-        // Wrap nodes between delimiters in strikethrough.
-        Node strikethrough = new Strikethrough();
-
-        Node tmp = opener.getNext();
-        while (tmp != null && tmp != closer) {
-            Node next = tmp.getNext();
-            strikethrough.appendChild(tmp);
-            tmp = next;
-        }
-
-        opener.insertAfter(strikethrough);
-    }
 }
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
index 225977854..e2e3b95c4 100644
--- a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
@@ -2,12 +2,16 @@
 
 import org.commonmark.Extension;
 import org.commonmark.node.Node;
+import org.commonmark.node.Paragraph;
+import org.commonmark.node.SourceSpan;
+import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Set;
 
@@ -89,6 +93,20 @@ public void textContentRenderer() {
         assertEquals("/foo/", CONTENT_RENDERER.render(document));
     }
 
+    @Test
+    public void sourceSpans() {
+        Parser parser = Parser.builder()
+                .extensions(EXTENSIONS)
+                .includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES)
+                .build();
+
+        Node document = parser.parse("hey ~~there~~\n");
+        Paragraph block = (Paragraph) document.getFirstChild();
+        Node strikethrough = block.getLastChild();
+        assertEquals(Arrays.asList(SourceSpan.of(0, 4, 9)),
+                strikethrough.getSourceSpans());
+    }
+
     @Override
     protected String render(String source) {
         return HTML_RENDERER.render(PARSER.parse(source));
diff --git a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
index 68e3f7847..a584948e3 100644
--- a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
@@ -3,6 +3,7 @@
 import org.commonmark.ext.image.attributes.ImageAttributes;
 import org.commonmark.node.Image;
 import org.commonmark.node.Node;
+import org.commonmark.node.Nodes;
 import org.commonmark.node.Text;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.parser.delimiter.DelimiterRun;
@@ -31,70 +32,57 @@ public int getMinLength() {
     }
 
     @Override
-    public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
-        return 1;
-    }
+    public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
+        if (openingRun.length() != 1) {
+            return 0;
+        }
 
-    @Override
-    public void process(Text opener, Text closer, int delimiterCount) {
         // Check if the attributes can be applied - if the previous node is an Image, and if all the attributes are in
         // the set of SUPPORTED_ATTRIBUTES
-        if (opener.getPrevious() instanceof Image) {
-            boolean canApply = true;
-            List<Node> toUnlink = new ArrayList<>();
-
-            Map<String, String> attributesMap = new LinkedHashMap<>();
-            Node tmp = opener.getNext();
-            while (tmp != null && tmp != closer) {
-                Node next = tmp.getNext();
-                // Only Text nodes can be used for attributes
-                if (tmp instanceof Text) {
-                    String attributes = ((Text) tmp).getLiteral();
-                    for (String s : attributes.split("\\s+")) {
-                        String[] attribute = s.split("=");
-                        if (attribute.length > 1 && SUPPORTED_ATTRIBUTES.contains(attribute[0].toLowerCase())) {
-                            attributesMap.put(attribute[0], attribute[1]);
-                            // The tmp node can be unlinked, as we have retrieved its value.
-                            toUnlink.add(tmp);
-                        } else {
-                            // This attribute is not supported, so break here (no need to check any further ones).
-                            canApply = false;
-                            break;
-                        }
-                    }
-                } else {
-                    // This node type is not supported, so break here (no need to check any further ones).
-                    canApply = false;
-                    break;
-                }
-                tmp = next;
+        Text opener = openingRun.getOpener();
+        Node nodeToStyle = opener.getPrevious();
+        if (!(nodeToStyle instanceof Image)) {
+            return 0;
+        }
+
+        List<Node> toUnlink = new ArrayList<>();
+        StringBuilder content = new StringBuilder();
+
+        for (Node node : Nodes.between(opener, closingRun.getCloser())) {
+            // Only Text nodes can be used for attributes
+            if (node instanceof Text) {
+                content.append(((Text) node).getLiteral());
+                toUnlink.add(node);
+            } else {
+                // This node type is not supported, so stop here (no need to check any further ones).
+                return 0;
             }
+        }
 
-            // Only if all of the above checks pass can the attributes be applied.
-            if (canApply) {
-                // Unlink the tmp nodes
-                for (Node node : toUnlink) {
-                    node.unlink();
-                }
-
-                if (attributesMap.size() > 0) {
-                    ImageAttributes imageAttributes = new ImageAttributes(attributesMap);
-
-                    // The new node is added as a child of the image node to which the attributes apply.
-                    Node nodeToStyle = opener.getPrevious();
-                    nodeToStyle.appendChild(imageAttributes);
-                }
-                return;
+        Map<String, String> attributesMap = new LinkedHashMap<>();
+        String attributes = content.toString();
+        for (String s : attributes.split("\\s+")) {
+            String[] attribute = s.split("=");
+            if (attribute.length > 1 && SUPPORTED_ATTRIBUTES.contains(attribute[0].toLowerCase())) {
+                attributesMap.put(attribute[0], attribute[1]);
+            } else {
+                // This attribute is not supported, so stop here (no need to check any further ones).
+                return 0;
             }
         }
 
-        // If we got here then the attributes cannot be applied, so fallback to leaving the text unchanged.
-        // Need to add back the opening and closing characters (which are removed elsewhere).
-        if (opener.getPrevious() == null) {
-            opener.getParent().prependChild(new Text("" + getOpeningCharacter()));
-        } else {
-            opener.getPrevious().insertAfter(new Text("" + getOpeningCharacter()));
+        // Unlink the tmp nodes
+        for (Node node : toUnlink) {
+            node.unlink();
+        }
+
+        if (attributesMap.size() > 0) {
+            ImageAttributes imageAttributes = new ImageAttributes(attributesMap);
+
+            // The new node is added as a child of the image node to which the attributes apply.
+            nodeToStyle.appendChild(imageAttributes);
         }
-        closer.insertAfter(new Text("" + getClosingCharacter()));
+
+        return 1;
     }
 }
diff --git a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
index 206fd9f47..b7d8a84c3 100644
--- a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
+++ b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
@@ -1,14 +1,21 @@
 package org.commonmark.ext.image.attributes;
 
 import org.commonmark.Extension;
+import org.commonmark.node.Node;
+import org.commonmark.node.Paragraph;
+import org.commonmark.node.SourceSpan;
+import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Set;
 
+import static org.junit.Assert.assertEquals;
+
 public class ImageAttributesTest extends RenderingTestCase {
 
     private static final Set<Extension> EXTENSIONS = Collections.singleton(ImageAttributesExtension.create());
@@ -42,7 +49,7 @@ public void baseCase() {
     @Test
     public void doubleDelimiters() {
         assertRendering("![text](/url.png){{height=5}}",
-                "<p><img src=\"/url.png\" alt=\"text\" height=\"5\" /></p>\n");
+                "<p><img src=\"/url.png\" alt=\"text\" />{{height=5}}</p>\n");
     }
 
     @Test
@@ -69,7 +76,8 @@ public void styleWithNoValueIsIgnored() {
     @Test
     public void repeatedStyleNameUsesFinalOne() {
         assertRendering("![text](/url.png){height=4 height=5 width=1 height=6}",
-                "<p><img src=\"/url.png\" alt=\"text\" height=\"6\" width=\"1\" /></p>\n");    }
+                "<p><img src=\"/url.png\" alt=\"text\" height=\"6\" width=\"1\" /></p>\n");
+    }
 
     @Test
     public void styleValuesAreEscaped() {
@@ -113,6 +121,21 @@ public void textNodesAreUnchanged() {
         assertRendering("{}", "<p>{}</p>\n");
     }
 
+    @Test
+    public void sourceSpans() {
+        Parser parser = Parser.builder()
+                .extensions(EXTENSIONS)
+                .includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES)
+                .build();
+
+        // This doesn't result in image attributes, so source spans should be for the single (merged) text node.
+        Node document = parser.parse("x{height=3 width=4}\n");
+        Paragraph block = (Paragraph) document.getFirstChild();
+        Node text = block.getFirstChild();
+        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 19)),
+                text.getSourceSpans());
+    }
+
     @Override
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));
diff --git a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsDelimiterProcessor.java b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsDelimiterProcessor.java
index 9a4ad383c..b0bfb4c6e 100644
--- a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsDelimiterProcessor.java
+++ b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsDelimiterProcessor.java
@@ -2,6 +2,8 @@
 
 import org.commonmark.ext.ins.Ins;
 import org.commonmark.node.Node;
+import org.commonmark.node.Nodes;
+import org.commonmark.node.SourceSpans;
 import org.commonmark.node.Text;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.parser.delimiter.DelimiterRun;
@@ -24,27 +26,31 @@ public int getMinLength() {
     }
 
     @Override
-    public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
-        if (opener.length() >= 2 && closer.length() >= 2) {
+    public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
+        if (openingRun.length() >= 2 && closingRun.length() >= 2) {
             // Use exactly two delimiters even if we have more, and don't care about internal openers/closers.
+
+            Text opener = openingRun.getOpener();
+
+            // Wrap nodes between delimiters in ins.
+            Node ins = new Ins();
+
+            SourceSpans sourceSpans = new SourceSpans();
+            sourceSpans.addAllFrom(openingRun.getOpeners(2));
+
+            for (Node node : Nodes.between(opener, closingRun.getCloser())) {
+                ins.appendChild(node);
+                sourceSpans.addAll(node.getSourceSpans());
+            }
+
+            sourceSpans.addAllFrom(closingRun.getClosers(2));
+            ins.setSourceSpans(sourceSpans.getSourceSpans());
+
+            opener.insertAfter(ins);
+
             return 2;
         } else {
             return 0;
         }
     }
-
-    @Override
-    public void process(Text opener, Text closer, int delimiterCount) {
-        // Wrap nodes between delimiters in ins.
-        Node ins = new Ins();
-
-        Node tmp = opener.getNext();
-        while (tmp != null && tmp != closer) {
-            Node next = tmp.getNext();
-            ins.appendChild(tmp);
-            tmp = next;
-        }
-
-        opener.insertAfter(ins);
-    }
 }
diff --git a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
index 05c8b41c5..c9591af5e 100644
--- a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
+++ b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
@@ -2,12 +2,16 @@
 
 import org.commonmark.Extension;
 import org.commonmark.node.Node;
+import org.commonmark.node.Paragraph;
+import org.commonmark.node.SourceSpan;
+import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Set;
 
@@ -89,6 +93,20 @@ public void textContentRenderer() {
         assertEquals("foo", CONTENT_RENDERER.render(document));
     }
 
+    @Test
+    public void sourceSpans() {
+        Parser parser = Parser.builder()
+                .extensions(EXTENSIONS)
+                .includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES)
+                .build();
+
+        Node document = parser.parse("hey ++there++\n");
+        Paragraph block = (Paragraph) document.getFirstChild();
+        Node ins = block.getLastChild();
+        assertEquals(Arrays.asList(SourceSpan.of(0, 4, 9)),
+                ins.getSourceSpans());
+    }
+
     @Override
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));
diff --git a/commonmark/src/main/java/org/commonmark/internal/Delimiter.java b/commonmark/src/main/java/org/commonmark/internal/Delimiter.java
index 5988e9508..9083ce3cb 100644
--- a/commonmark/src/main/java/org/commonmark/internal/Delimiter.java
+++ b/commonmark/src/main/java/org/commonmark/internal/Delimiter.java
@@ -3,36 +3,33 @@
 import org.commonmark.node.Text;
 import org.commonmark.parser.delimiter.DelimiterRun;
 
+import java.util.List;
+
 /**
  * Delimiter (emphasis, strong emphasis or custom emphasis).
  */
 public class Delimiter implements DelimiterRun {
 
-    public final Text node;
+    public final List<Text> characters;
     public final char delimiterChar;
+    private final int originalLength;
 
-    /**
-     * Can open emphasis, see spec.
-     */
-    public final boolean canOpen;
+    // Can open emphasis, see spec.
+    private final boolean canOpen;
 
-    /**
-     * Can close emphasis, see spec.
-     */
-    public final boolean canClose;
+    // Can close emphasis, see spec.
+    private final boolean canClose;
 
     public Delimiter previous;
     public Delimiter next;
 
-    public int length = 1;
-    public int originalLength = 1;
-
-    public Delimiter(Text node, char delimiterChar, boolean canOpen, boolean canClose, Delimiter previous) {
-        this.node = node;
+    public Delimiter(List<Text> characters, char delimiterChar, boolean canOpen, boolean canClose, Delimiter previous) {
+        this.characters = characters;
         this.delimiterChar = delimiterChar;
         this.canOpen = canOpen;
         this.canClose = canClose;
         this.previous = previous;
+        this.originalLength = characters.size();
     }
 
     @Override
@@ -47,11 +44,39 @@ public boolean canClose() {
 
     @Override
     public int length() {
-        return length;
+        return characters.size();
     }
 
     @Override
     public int originalLength() {
         return originalLength;
     }
+
+    @Override
+    public Text getOpener() {
+        return characters.get(characters.size() - 1);
+    }
+
+    @Override
+    public Text getCloser() {
+        return characters.get(0);
+    }
+
+    @Override
+    public Iterable<Text> getOpeners(int length) {
+        if (!(length >= 1 && length <= length())) {
+            throw new IllegalArgumentException("length must be between 1 and " + length() + ", was " + length);
+        }
+
+        return characters.subList(characters.size() - length, characters.size());
+    }
+
+    @Override
+    public Iterable<Text> getClosers(int length) {
+        if (!(length >= 1 && length <= length())) {
+            throw new IllegalArgumentException("length must be between 1 and " + length() + ", was " + length);
+        }
+
+        return characters.subList(0, length);
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 12eebc03f..550cdaa8a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -131,9 +131,11 @@ public void parse(SourceLines lines, Node block) {
         reset(lines);
 
         while (true) {
-            Node node = parseInline();
-            if (node != null) {
-                block.appendChild(node);
+            List<? extends Node> nodes = parseInline();
+            if (nodes != null) {
+                for (Node node : nodes) {
+                    block.appendChild(node);
+                }
             } else {
                 break;
             }
@@ -151,12 +153,6 @@ void reset(SourceLines lines) {
         this.lastBracket = null;
     }
 
-    private Text text(String content, List<SourceSpan> sourceSpans) {
-        Text text = new Text(content);
-        text.setSourceSpans(sourceSpans);
-        return text;
-    }
-
     private Text text(SourceLines sourceLines) {
         Text text = new Text(sourceLines.getContent());
         text.setSourceSpans(sourceLines.getSourceSpans());
@@ -168,7 +164,7 @@ private Text text(SourceLines sourceLines) {
      * On success, return the new inline node.
      * On failure, return null.
      */
-    private Node parseInline() {
+    private List<? extends Node> parseInline() {
         char c = scanner.peek();
         if (c == Scanner.END) {
             return null;
@@ -186,7 +182,7 @@ private Node parseInline() {
                     if (includeSourceSpans && node.getSourceSpans().isEmpty()) {
                         node.setSourceSpans(scanner.textBetween(position, scanner.position()).getSourceSpans());
                     }
-                    return node;
+                    return Collections.singletonList(node);
                 } else {
                     // Reset position
                     scanner.setPosition(position);
@@ -196,48 +192,46 @@ private Node parseInline() {
 
         switch (c) {
             case '[':
-                return parseOpenBracket();
+                return Collections.singletonList(parseOpenBracket());
             case '!':
-                return parseBang();
+                return Collections.singletonList(parseBang());
             case ']':
-                return parseCloseBracket();
+                return Collections.singletonList(parseCloseBracket());
             case '\n':
-                return parseLineBreak();
+                return Collections.singletonList(parseLineBreak());
         }
 
         boolean isDelimiter = delimiterCharacters.get(c);
         if (isDelimiter) {
             DelimiterProcessor delimiterProcessor = delimiterProcessors.get(c);
-            Node delimiterNode = parseDelimiters(delimiterProcessor, c);
-            if (delimiterNode != null) {
-                return delimiterNode;
+            List<? extends Node> nodes = parseDelimiters(delimiterProcessor, c);
+            if (nodes != null) {
+                return nodes;
             }
         }
 
         // If we get here, even for a special/delimiter character, we will just treat it as text.
-        return parseText();
+        return Collections.singletonList(parseText());
     }
 
     /**
      * Attempt to parse delimiters like emphasis, strong emphasis or custom delimiters.
      */
-    private Node parseDelimiters(DelimiterProcessor delimiterProcessor, char delimiterChar) {
+    private List<? extends Node> parseDelimiters(DelimiterProcessor delimiterProcessor, char delimiterChar) {
         DelimiterData res = scanDelimiters(delimiterProcessor, delimiterChar);
         if (res == null) {
             return null;
         }
 
-        Text node = res.text;
+        List<Text> characters = res.characters;
 
         // Add entry to stack for this opener
-        lastDelimiter = new Delimiter(node, delimiterChar, res.canOpen, res.canClose, lastDelimiter);
-        lastDelimiter.length = res.count;
-        lastDelimiter.originalLength = res.count;
+        lastDelimiter = new Delimiter(characters, delimiterChar, res.canOpen, res.canClose, lastDelimiter);
         if (lastDelimiter.previous != null) {
             lastDelimiter.previous.next = lastDelimiter;
         }
 
-        return node;
+        return characters;
     }
 
     /**
@@ -524,13 +518,22 @@ private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char
         char charBefore = scanner.peekPrevious();
         Position start = scanner.position();
 
+        // Quick check to see if we have enough delimiters.
         int delimiterCount = scanner.matchMultiple(delimiterChar);
-
         if (delimiterCount < delimiterProcessor.getMinLength()) {
             scanner.setPosition(start);
             return null;
         }
 
+        // We do have enough, extract a text node for each delimiter character.
+        List<Text> delimiters = new ArrayList<>();
+        scanner.setPosition(start);
+        Position positionBefore = start;
+        while (scanner.next(delimiterChar)) {
+            delimiters.add(text(scanner.textBetween(positionBefore, scanner.position())));
+            positionBefore = scanner.position();
+        }
+
         char charAfter = scanner.peek();
         String before = charBefore == Scanner.END ? "\n" : String.valueOf(charBefore);
         String after = charAfter == Scanner.END ? "\n" : String.valueOf(charAfter);
@@ -555,8 +558,7 @@ private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char
             canClose = rightFlanking && delimiterChar == delimiterProcessor.getClosingCharacter();
         }
 
-        SourceLines source = scanner.textBetween(start, scanner.position());
-        return new DelimiterData(delimiterCount, canOpen, canClose, text(source.getContent(), source.getSourceSpans()));
+        return new DelimiterData(delimiters, canOpen, canClose);
     }
 
     private void processDelimiters(Delimiter stackBottom) {
@@ -573,7 +575,7 @@ private void processDelimiters(Delimiter stackBottom) {
             char delimiterChar = closer.delimiterChar;
 
             DelimiterProcessor delimiterProcessor = delimiterProcessors.get(delimiterChar);
-            if (!closer.canClose || delimiterProcessor == null) {
+            if (!closer.canClose() || delimiterProcessor == null) {
                 closer = closer.next;
                 continue;
             }
@@ -581,15 +583,15 @@ private void processDelimiters(Delimiter stackBottom) {
             char openingDelimiterChar = delimiterProcessor.getOpeningCharacter();
 
             // Found delimiter closer. Now look back for first matching opener.
-            int useDelims = 0;
+            int usedDelims = 0;
             boolean openerFound = false;
             boolean potentialOpenerFound = false;
             Delimiter opener = closer.previous;
             while (opener != null && opener != stackBottom && opener != openersBottom.get(delimiterChar)) {
-                if (opener.canOpen && opener.delimiterChar == openingDelimiterChar) {
+                if (opener.canOpen() && opener.delimiterChar == openingDelimiterChar) {
                     potentialOpenerFound = true;
-                    useDelims = delimiterProcessor.getDelimiterUse(opener, closer);
-                    if (useDelims > 0) {
+                    usedDelims = delimiterProcessor.process(opener, closer);
+                    if (usedDelims > 0) {
                         openerFound = true;
                         break;
                     }
@@ -607,7 +609,7 @@ private void processDelimiters(Delimiter stackBottom) {
                     // we want to consider it next time because the number
                     // of delimiters can change as we continue processing.
                     openersBottom.put(delimiterChar, closer.previous);
-                    if (!closer.canOpen) {
+                    if (!closer.canOpen()) {
                         // We can remove a closer that can't be an opener,
                         // once we've seen there's no matching opener:
                         removeDelimiterKeepNode(closer);
@@ -617,34 +619,26 @@ private void processDelimiters(Delimiter stackBottom) {
                 continue;
             }
 
-            Text openerNode = opener.node;
-            Text closerNode = closer.node;
-
-            // Remove number of used delimiters from stack and inline nodes.
-            opener.length -= useDelims;
-            closer.length -= useDelims;
-            // TODO: Need to adjust source spans
-            openerNode.setLiteral(
-                    openerNode.getLiteral().substring(0,
-                            openerNode.getLiteral().length() - useDelims));
-            closerNode.setLiteral(
-                    closerNode.getLiteral().substring(0,
-                            closerNode.getLiteral().length() - useDelims));
+            // Remove number of used delimiters nodes.
+            for (int i = 0; i < usedDelims; i++) {
+                Text delimiter = opener.characters.remove(opener.characters.size() - 1);
+                delimiter.unlink();
+            }
+            for (int i = 0; i < usedDelims; i++) {
+                Text delimiter = closer.characters.remove(0);
+                delimiter.unlink();
+            }
 
             removeDelimitersBetween(opener, closer);
-            // The delimiter processor can re-parent the nodes between opener and closer,
-            // so make sure they're contiguous already. Exclusive because we want to keep opener/closer themselves.
-            mergeTextNodesBetweenExclusive(openerNode, closerNode);
-            delimiterProcessor.process(openerNode, closerNode, useDelims);
 
             // No delimiter characters left to process, so we can remove delimiter and the now empty node.
-            if (opener.length == 0) {
-                removeDelimiterAndNode(opener);
+            if (opener.length() == 0) {
+                removeDelimiterAndNodes(opener);
             }
 
-            if (closer.length == 0) {
+            if (closer.length() == 0) {
                 Delimiter next = closer.next;
-                removeDelimiterAndNode(closer);
+                removeDelimiterAndNodes(closer);
                 closer = next;
             }
         }
@@ -667,9 +661,7 @@ private void removeDelimitersBetween(Delimiter opener, Delimiter closer) {
     /**
      * Remove the delimiter and the corresponding text node. For used delimiters, e.g. `*` in `*foo*`.
      */
-    private void removeDelimiterAndNode(Delimiter delim) {
-        Text node = delim.node;
-        node.unlink();
+    private void removeDelimiterAndNodes(Delimiter delim) {
         removeDelimiter(delim);
     }
 
@@ -692,18 +684,9 @@ private void removeDelimiter(Delimiter delim) {
         }
     }
 
-    private void mergeTextNodesBetweenExclusive(Node fromNode, Node toNode) {
-        // No nodes between them
-        if (fromNode == toNode || fromNode.getNext() == toNode) {
-            return;
-        }
-
-        mergeTextNodesInclusive(fromNode.getNext(), toNode.getPrevious());
-    }
-
     private void mergeChildTextNodes(Node node) {
-        // No children or just one child node, no need for merging
-        if (node.getFirstChild() == node.getLastChild()) {
+        // No children, no need for merging
+        if (node.getFirstChild() == null) {
             return;
         }
 
@@ -729,6 +712,8 @@ private void mergeTextNodesInclusive(Node fromNode, Node toNode) {
                 first = null;
                 last = null;
                 length = 0;
+
+                mergeChildTextNodes(node);
             }
             if (node == toNode) {
                 break;
@@ -742,17 +727,18 @@ private void mergeTextNodesInclusive(Node fromNode, Node toNode) {
     private void mergeIfNeeded(Text first, Text last, int textLength) {
         if (first != null && last != null && first != last) {
             StringBuilder sb = new StringBuilder(textLength);
-            List<SourceSpan> sourceSpans = Collections.emptyList();
+            sb.append(first.getLiteral());
+            SourceSpans sourceSpans = null;
             if (includeSourceSpans) {
-                sourceSpans = new ArrayList<>(first.getSourceSpans());
+                sourceSpans = new SourceSpans();
+                sourceSpans.addAll(first.getSourceSpans());
             }
-            sb.append(first.getLiteral());
             Node node = first.getNext();
             Node stop = last.getNext();
             while (node != stop) {
                 sb.append(((Text) node).getLiteral());
-                if (includeSourceSpans) {
-                    mergeSourceSpans(sourceSpans, node.getSourceSpans());
+                if (sourceSpans != null) {
+                    sourceSpans.addAll(node.getSourceSpans());
                 }
 
                 Node unlink = node;
@@ -761,38 +747,22 @@ private void mergeIfNeeded(Text first, Text last, int textLength) {
             }
             String literal = sb.toString();
             first.setLiteral(literal);
-            first.setSourceSpans(sourceSpans);
-        }
-    }
-
-    private void mergeSourceSpans(List<SourceSpan> sourceSpans, List<SourceSpan> other) {
-        if (sourceSpans.isEmpty()) {
-            sourceSpans.addAll(other);
-        } else if (!other.isEmpty()) {
-            int lastIndex = sourceSpans.size() - 1;
-            SourceSpan a = sourceSpans.get(lastIndex);
-            SourceSpan b = other.get(0);
-            if (a.getLineIndex() == b.getLineIndex() && a.getColumnIndex() + a.getLength() == b.getColumnIndex()) {
-                sourceSpans.set(lastIndex, SourceSpan.of(a.getLineIndex(), a.getColumnIndex(), a.getLength() + b.getLength()));
-                sourceSpans.addAll(other.subList(1, other.size()));
-            } else {
-                sourceSpans.addAll(other);
+            if (sourceSpans != null) {
+                first.setSourceSpans(sourceSpans.getSourceSpans());
             }
         }
     }
 
     private static class DelimiterData {
 
-        final int count;
+        final List<Text> characters;
         final boolean canClose;
         final boolean canOpen;
-        final Text text;
 
-        DelimiterData(int count, boolean canOpen, boolean canClose, Text text) {
-            this.count = count;
+        DelimiterData(List<Text> characters, boolean canOpen, boolean canClose) {
+            this.characters = characters;
             this.canOpen = canOpen;
             this.canClose = canClose;
-            this.text = text;
         }
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/StaggeredDelimiterProcessor.java b/commonmark/src/main/java/org/commonmark/internal/StaggeredDelimiterProcessor.java
index c510edbe5..0fe8065bb 100644
--- a/commonmark/src/main/java/org/commonmark/internal/StaggeredDelimiterProcessor.java
+++ b/commonmark/src/main/java/org/commonmark/internal/StaggeredDelimiterProcessor.java
@@ -1,6 +1,5 @@
 package org.commonmark.internal;
 
-import org.commonmark.node.Text;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.parser.delimiter.DelimiterRun;
 
@@ -71,12 +70,7 @@ private DelimiterProcessor findProcessor(int len) {
     }
 
     @Override
-    public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
-        return findProcessor(opener.length()).getDelimiterUse(opener, closer);
-    }
-
-    @Override
-    public void process(Text opener, Text closer, int delimiterUse) {
-        findProcessor(delimiterUse).process(opener, closer, delimiterUse);
+    public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
+        return findProcessor(openingRun.length()).process(openingRun, closingRun);
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EmphasisDelimiterProcessor.java b/commonmark/src/main/java/org/commonmark/internal/inline/EmphasisDelimiterProcessor.java
index 98b43938c..493e4299c 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/EmphasisDelimiterProcessor.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EmphasisDelimiterProcessor.java
@@ -1,9 +1,6 @@
 package org.commonmark.internal.inline;
 
-import org.commonmark.node.Emphasis;
-import org.commonmark.node.Node;
-import org.commonmark.node.StrongEmphasis;
-import org.commonmark.node.Text;
+import org.commonmark.node.*;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.parser.delimiter.DelimiterRun;
 
@@ -31,35 +28,39 @@ public int getMinLength() {
     }
 
     @Override
-    public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
+    public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
         // "multiple of 3" rule for internal delimiter runs
-        if ((opener.canClose() || closer.canOpen()) &&
-                closer.originalLength() % 3 != 0 &&
-                (opener.originalLength() + closer.originalLength()) % 3 == 0) {
+        if ((openingRun.canClose() || closingRun.canOpen()) &&
+                closingRun.originalLength() % 3 != 0 &&
+                (openingRun.originalLength() + closingRun.originalLength()) % 3 == 0) {
             return 0;
         }
+
+        int usedDelimiters;
+        Node emphasis;
         // calculate actual number of delimiters used from this closer
-        if (opener.length() >= 2 && closer.length() >= 2) {
-            return 2;
+        if (openingRun.length() >= 2 && closingRun.length() >= 2) {
+            usedDelimiters = 2;
+            emphasis = new StrongEmphasis(String.valueOf(delimiterChar) + delimiterChar);
         } else {
-            return 1;
+            usedDelimiters = 1;
+            emphasis = new Emphasis(String.valueOf(delimiterChar));
         }
-    }
 
-    @Override
-    public void process(Text opener, Text closer, int delimiterUse) {
-        String singleDelimiter = String.valueOf(getOpeningCharacter());
-        Node emphasis = delimiterUse == 1
-                ? new Emphasis(singleDelimiter)
-                : new StrongEmphasis(singleDelimiter + singleDelimiter);
+        SourceSpans sourceSpans = SourceSpans.empty();
+        sourceSpans.addAllFrom(openingRun.getOpeners(usedDelimiters));
 
-        Node tmp = opener.getNext();
-        while (tmp != null && tmp != closer) {
-            Node next = tmp.getNext();
-            emphasis.appendChild(tmp);
-            tmp = next;
+        Text opener = openingRun.getOpener();
+        for (Node node : Nodes.between(opener, closingRun.getCloser())) {
+            emphasis.appendChild(node);
+            sourceSpans.addAll(node.getSourceSpans());
         }
 
+        sourceSpans.addAllFrom(closingRun.getClosers(usedDelimiters));
+
+        emphasis.setSourceSpans(sourceSpans.getSourceSpans());
         opener.insertAfter(emphasis);
+
+        return usedDelimiters;
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/node/Nodes.java b/commonmark/src/main/java/org/commonmark/node/Nodes.java
new file mode 100644
index 000000000..a74725f19
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/node/Nodes.java
@@ -0,0 +1,64 @@
+package org.commonmark.node;
+
+import java.util.Iterator;
+
+/**
+ * Utility class for working with multiple {@link Node}s.
+ */
+public class Nodes {
+
+    private Nodes() {
+    }
+
+    /**
+     * The nodes between (not including) start and end.
+     */
+    public static Iterable<Node> between(Node start, Node end) {
+        return new NodeIterable(start.getNext(), end);
+    }
+
+    private static class NodeIterable implements Iterable<Node> {
+
+        private final Node first;
+        private final Node end;
+
+        private NodeIterable(Node first, Node end) {
+            this.first = first;
+            this.end = end;
+        }
+
+        @Override
+        public Iterator<Node> iterator() {
+            return new NodeIterator(first, end);
+        }
+    }
+
+    private static class NodeIterator implements Iterator<Node> {
+
+        private Node node;
+        private final Node end;
+
+        private NodeIterator(Node first, Node end) {
+            node = first;
+            this.end = end;
+        }
+
+        @Override
+        public boolean hasNext() {
+            return node != null && node != end;
+        }
+
+        @Override
+        public Node next() {
+            Node result = node;
+            node = node.getNext();
+            return result;
+        }
+
+        @Override
+        public void remove() {
+            throw new UnsupportedOperationException("remove");
+        }
+    }
+}
+
diff --git a/commonmark/src/main/java/org/commonmark/node/SourceSpans.java b/commonmark/src/main/java/org/commonmark/node/SourceSpans.java
new file mode 100644
index 000000000..faa70dba0
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/node/SourceSpans.java
@@ -0,0 +1,51 @@
+package org.commonmark.node;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * A list of source spans that can be added to. Takes care of merging adjacent source spans.
+ */
+public class SourceSpans {
+
+    private List<SourceSpan> sourceSpans;
+
+    public static SourceSpans empty() {
+        return new SourceSpans();
+    }
+
+    public List<SourceSpan> getSourceSpans() {
+        return sourceSpans != null ? sourceSpans : Collections.<SourceSpan>emptyList();
+    }
+
+    public void addAllFrom(Iterable<? extends Node> nodes) {
+        for (Node node : nodes) {
+            addAll(node.getSourceSpans());
+        }
+    }
+
+    public void addAll(List<SourceSpan> other) {
+        if (other.isEmpty()) {
+            return;
+        }
+
+        if (sourceSpans == null) {
+            sourceSpans = new ArrayList<>();
+        }
+
+        if (sourceSpans.isEmpty()) {
+            sourceSpans.addAll(other);
+        } else {
+            int lastIndex = sourceSpans.size() - 1;
+            SourceSpan a = sourceSpans.get(lastIndex);
+            SourceSpan b = other.get(0);
+            if (a.getLineIndex() == b.getLineIndex() && a.getColumnIndex() + a.getLength() == b.getColumnIndex()) {
+                sourceSpans.set(lastIndex, SourceSpan.of(a.getLineIndex(), a.getColumnIndex(), a.getLength() + b.getLength()));
+                sourceSpans.addAll(other.subList(1, other.size()));
+            } else {
+                sourceSpans.addAll(other);
+            }
+        }
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterProcessor.java b/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterProcessor.java
index 0e8bc6fac..897943d66 100644
--- a/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterProcessor.java
+++ b/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterProcessor.java
@@ -27,27 +27,18 @@ public interface DelimiterProcessor {
     int getMinLength();
 
     /**
-     * Determine how many (if any) of the delimiter characters should be used.
+     * Process the delimiter runs.
      * <p>
-     * This allows implementations to decide how many characters to use based on the properties of the delimiter runs.
-     * An implementation can also return 0 when it doesn't want to allow this particular combination of delimiter runs.
-     *
-     * @param opener the opening delimiter run
-     * @param closer the closing delimiter run
-     * @return how many delimiters should be used; must not be greater than length of either opener or closer
-     */
-    int getDelimiterUse(DelimiterRun opener, DelimiterRun closer);
-
-    /**
-     * Process the matched delimiters, e.g. by wrapping the nodes between opener and closer in a new node, or appending
-     * a new node after the opener.
+     * The processor can examine the runs and the nodes and decide if it wants to process or not. If not, it should not
+     * change any nodes and return 0. If yes, it should do the processing (wrapping nodes, etc) and then return how many
+     * delimiters were used.
      * <p>
-     * Note that removal of the delimiter from the delimiter nodes and unlinking them is done by the caller.
+     * Note that removal (unlinking) of the used delimiter {@link Text} nodes is done by the caller.
      *
-     * @param opener the text node that contained the opening delimiter
-     * @param closer the text node that contained the closing delimiter
-     * @param delimiterUse the number of delimiters that were used
+     * @param openingRun the opening delimiter run
+     * @param closingRun the closing delimiter run
+     * @return how many delimiters were used; must not be greater than length of either opener or closer
      */
-    void process(Text opener, Text closer, int delimiterUse);
+    int process(DelimiterRun openingRun, DelimiterRun closingRun);
 
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterRun.java b/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterRun.java
index 29bdb8731..578eac96b 100644
--- a/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterRun.java
+++ b/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterRun.java
@@ -1,7 +1,9 @@
 package org.commonmark.parser.delimiter;
 
+import org.commonmark.node.Text;
+
 /**
- * A delimiter run is one or more of the same delimiter character.
+ * A delimiter run is one or more of the same delimiter character, e.g. {@code ***}.
  */
 public interface DelimiterRun {
 
@@ -25,4 +27,32 @@ public interface DelimiterRun {
      * as {{@link #length()}}
      */
     int originalLength();
+
+    /**
+     * @return the innermost opening delimiter, e.g. for {@code ***} this is the last {@code *}
+     */
+    Text getOpener();
+
+    /**
+     * @return the innermost closing delimiter, e.g. for {@code ***} this is the first {@code *}
+     */
+    Text getCloser();
+
+    /**
+     * Get the opening delimiter nodes for the specified length of delimiters. Length must be between 1 and
+     * {@link #length()}.
+     * <p>
+     * For example, for a delimiter run {@code ***}, calling this with 1 would return the last {@code *}.
+     * Calling it with 2 would return the second last {@code *} and the last {@code *}.
+     */
+    Iterable<Text> getOpeners(int length);
+
+    /**
+     * Get the closing delimiter nodes for the specified length of delimiters. Length must be between 1 and
+     * {@link #length()}.
+     * <p>
+     * For example, for a delimiter run {@code ***}, calling this with 1 would return the first {@code *}.
+     * Calling it with 2 would return the first {@code *} and the second {@code *}.
+     */
+    Iterable<Text> getClosers(int length);
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java b/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
index 948c484cd..173d711d3 100644
--- a/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
@@ -99,13 +99,9 @@ public int getMinLength() {
         }
 
         @Override
-        public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
+        public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
             return delimiterUse;
         }
-
-        @Override
-        public void process(Text opener, Text closer, int delimiterUse) {
-        }
     }
 
     private static class AsymmetricDelimiterProcessor implements DelimiterProcessor {
@@ -126,20 +122,19 @@ public int getMinLength() {
         }
 
         @Override
-        public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
-            return 1;
-        }
-
-        @Override
-        public void process(Text opener, Text closer, int delimiterUse) {
+        public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
             UpperCaseNode content = new UpperCaseNode();
-            Node tmp = opener.getNext();
-            while (tmp != null && tmp != closer) {
+            Text start = openingRun.getOpener();
+            Text end = closingRun.getCloser();
+            Node tmp = start.getNext();
+            while (tmp != null && tmp != end) {
                 Node next = tmp.getNext();
                 content.appendChild(tmp);
                 tmp = next;
             }
-            opener.insertAfter(content);
+            start.insertAfter(content);
+
+            return 1;
         }
     }
 
@@ -198,15 +193,11 @@ public int getMinLength() {
         }
 
         @Override
-        public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
+        public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
+            openingRun.getOpener().insertAfter(new Text("(1)"));
+            closingRun.getCloser().insertBefore(new Text("(/1)"));
             return 1;
         }
-
-        @Override
-        public void process(Text opener, Text closer, int delimiterUse) {
-            opener.insertAfter(new Text("(1)"));
-            closer.insertBefore(new Text("(/1)"));
-        }
     }
 
     private static class TwoDelimiterProcessor implements DelimiterProcessor {
@@ -227,14 +218,10 @@ public int getMinLength() {
         }
 
         @Override
-        public int getDelimiterUse(DelimiterRun opener, DelimiterRun closer) {
+        public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
+            openingRun.getOpener().insertAfter(new Text("(2)"));
+            closingRun.getCloser().insertBefore(new Text("(/2)"));
             return 2;
         }
-
-        @Override
-        public void process(Text opener, Text closer, int delimiterUse) {
-            opener.insertAfter(new Text("(2)"));
-            closer.insertBefore(new Text("(/2)"));
-        }
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index bd5d818ec..ba25206c2 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -246,8 +246,22 @@ public void links() {
     public void inlineEmphasis() {
         assertInlineSpans("*hey*", Emphasis.class, SourceSpan.of(0, 0, 5));
         assertInlineSpans("*hey*", Text.class, SourceSpan.of(0, 1, 3));
-        assertInlineSpans("**hey**", Emphasis.class, SourceSpan.of(0, 0, 7));
+        assertInlineSpans("**hey**", StrongEmphasis.class, SourceSpan.of(0, 0, 7));
         assertInlineSpans("**hey**", Text.class, SourceSpan.of(0, 2, 3));
+
+        // This is an interesting one. It renders like this:
+        // <p>*<em>hey</em></p>
+        // The delimiter processor only uses one of the asterisks.
+        // So the first Text node should be the `*` at the beginning with the correct span.
+        assertInlineSpans("**hey*", Text.class, SourceSpan.of(0, 0, 1));
+        assertInlineSpans("**hey*", Emphasis.class, SourceSpan.of(0, 1, 5));
+
+        assertInlineSpans("***hey**", Text.class, SourceSpan.of(0, 0, 1));
+        assertInlineSpans("***hey**", StrongEmphasis.class, SourceSpan.of(0, 1, 7));
+
+        Node document = INLINES_PARSER.parse("*hey**");
+        Node lastText = document.getFirstChild().getLastChild();
+        assertEquals(Arrays.asList(SourceSpan.of(0, 5, 1)), lastText.getSourceSpans());
     }
 
     // TODO:
@@ -261,7 +275,6 @@ private String visualizeSourceSpans(String source) {
         return SourceSpanRenderer.render(document, source);
     }
 
-
     private static void assertSpans(String input, Class<? extends Node> nodeClass, SourceSpan... expectedSourceSpans) {
         assertSpans(PARSER.parse(input), nodeClass, expectedSourceSpans);
     }
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
index 2b19db3db..2ed93c92d 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
@@ -174,4 +174,9 @@ public void trailingTabs() {
         // This matches what commonmark.js did at the time of writing.
         assertRendering("a\t\nb\n", "<p>a\t\nb</p>\n");
     }
+
+    @Test
+    public void emph() {
+        assertRendering("*foo bar*\n", "<p><em>foo bar</em></p>\n");
+    }
 }

From 35be54313d36799bfbb79a3a28c6a3b8e0a90e7d Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 27 Nov 2020 16:22:07 +1100
Subject: [PATCH 089/450] Test case for tab

---
 .../java/org/commonmark/internal/DocumentParser.java |  4 ++--
 .../java/org/commonmark/test/SourceSpansTest.java    | 12 +++++++-----
 2 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 1211f2230..a3bec69a8 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -405,9 +405,9 @@ private void addLine() {
             content = line.subSequence(index, line.length());
         }
         SourceSpan sourceSpan = null;
-//        SourceLine sourceLine = ;
         if (includeSourceSpans == IncludeSourceSpans.BLOCKS_AND_INLINES) {
-            // TODO: This is not correct for expanded tabs
+            // Note that if we're in a partially-consumed tab, the length here corresponds to the content but not to the
+            // actual source length. That sounds like a problem, but I haven't found a test case where it matters (yet).
             sourceSpan = SourceSpan.of(lineIndex, index, content.length());
         }
         getActiveBlockParser().addLine(SourceLine.of(content, sourceSpan));
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index ba25206c2..d5ce6f6cd 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -264,11 +264,13 @@ public void inlineEmphasis() {
         assertEquals(Arrays.asList(SourceSpan.of(0, 5, 1)), lastText.getSourceSpans());
     }
 
-    // TODO:
-//    @Test
-//    public void tabOffset() {
-//        assertInlineSpans(">\t*foo*");
-//    }
+    @Test
+    public void tabExpansion() {
+        assertInlineSpans(">\tfoo", BlockQuote.class, SourceSpan.of(0, 0, 5));
+        assertInlineSpans(">\tfoo", Text.class, SourceSpan.of(0, 2, 3));
+
+        assertInlineSpans("a\tb", Text.class, SourceSpan.of(0, 0, 3));
+    }
 
     private String visualizeSourceSpans(String source) {
         Node document = PARSER.parse(source);

From 6238c36713378345ca81d81e6f90338fc9172e4b Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 27 Nov 2020 16:38:33 +1100
Subject: [PATCH 090/450] Add tests for SourceLine

---
 .../org/commonmark/parser/SourceLine.java     |  2 -
 .../org/commonmark/test/SourceLineTest.java   | 42 +++++++++++++++++++
 2 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 commonmark/src/test/java/org/commonmark/test/SourceLineTest.java

diff --git a/commonmark/src/main/java/org/commonmark/parser/SourceLine.java b/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
index b2b1aff8d..f593d3279 100644
--- a/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
+++ b/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
@@ -31,8 +31,6 @@ public SourceSpan getSourceSpan() {
     }
 
     public SourceLine substring(int beginIndex, int endIndex) {
-        // TODO: Check indices
-        // TODO: Tests
         CharSequence newContent = content.subSequence(beginIndex, endIndex);
         SourceSpan newSourceSpan = null;
         if (sourceSpan != null) {
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceLineTest.java b/commonmark/src/test/java/org/commonmark/test/SourceLineTest.java
new file mode 100644
index 000000000..aa330fbc9
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/test/SourceLineTest.java
@@ -0,0 +1,42 @@
+package org.commonmark.test;
+
+import org.commonmark.node.SourceSpan;
+import org.commonmark.parser.SourceLine;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class SourceLineTest {
+
+    @Test
+    public void testSubstring() {
+        SourceLine line = SourceLine.of("abcd", SourceSpan.of(3, 10, 4));
+
+        assertSourceLine(line.substring(0, 4), "abcd", SourceSpan.of(3, 10, 4));
+        assertSourceLine(line.substring(0, 3), "abc", SourceSpan.of(3, 10, 3));
+        assertSourceLine(line.substring(0, 2), "ab", SourceSpan.of(3, 10, 2));
+        assertSourceLine(line.substring(0, 1), "a", SourceSpan.of(3, 10, 1));
+        assertSourceLine(line.substring(0, 0), "", null);
+
+        assertSourceLine(line.substring(1, 4), "bcd", SourceSpan.of(3, 11, 3));
+        assertSourceLine(line.substring(1, 3), "bc", SourceSpan.of(3, 11, 2));
+
+        assertSourceLine(line.substring(3, 4), "d", SourceSpan.of(3, 13, 1));
+        assertSourceLine(line.substring(4, 4), "", null);
+    }
+
+    @Test(expected = StringIndexOutOfBoundsException.class)
+    public void testSubstringBeginOutOfBounds() {
+        SourceLine.of("abcd", SourceSpan.of(3, 10, 4)).substring(3, 2);
+    }
+
+    @Test(expected = StringIndexOutOfBoundsException.class)
+    public void testSubstringEndOutOfBounds() {
+        SourceLine.of("abcd", SourceSpan.of(3, 10, 4)).substring(0, 5);
+    }
+
+    private static void assertSourceLine(SourceLine sourceLine, String expectedContent, SourceSpan expectedSourceSpan) {
+        assertEquals(expectedContent, sourceLine.getContent());
+        assertEquals(expectedSourceSpan, sourceLine.getSourceSpan());
+    }
+}

From 10931591122ec4764d0d873b2d5c878a7741c46d Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 27 Nov 2020 16:38:48 +1100
Subject: [PATCH 091/450] Fix SourceSpan for getLine

---
 .../main/java/org/commonmark/internal/DocumentParser.java  | 3 +--
 .../src/test/java/org/commonmark/test/SourceSpansTest.java | 7 +++++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index a3bec69a8..57ad45734 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -142,8 +142,7 @@ public Document parse(Reader input) throws IOException {
     public SourceLine getLine() {
         SourceSpan sourceSpan = null;
         if (includeSourceSpans != IncludeSourceSpans.NONE) {
-            // TODO: is this wrong? Should be 0 shouldn't it?
-            sourceSpan = SourceSpan.of(lineIndex, index, line.length());
+            sourceSpan = SourceSpan.of(lineIndex, 0, line.length());
         }
         return SourceLine.of(line, sourceSpan);
     }
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index d5ce6f6cd..a96d9c58b 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -199,6 +199,13 @@ public void inlineText() {
         assertInlineSpans("*foo*", Text.class, SourceSpan.of(0, 1, 3));
     }
 
+    @Test
+    public void inlineHeading() {
+        assertInlineSpans("# foo", Text.class, SourceSpan.of(0, 2, 3));
+        assertInlineSpans(" # foo", Text.class, SourceSpan.of(0, 3, 3));
+        assertInlineSpans("> # foo", Text.class, SourceSpan.of(0, 4, 3));
+    }
+
     @Test
     public void inlineAutolink() {
         assertInlineSpans("see <https://example.org>", Link.class, SourceSpan.of(0, 4, 21));

From 43941d7e44398ab9c03c9c4df0d72f9c8403a5e6 Mon Sep 17 00:00:00 2001
From: javaor <69024684+javaor@users.noreply.github.com>
Date: Tue, 8 Dec 2020 15:59:08 +0800
Subject: [PATCH 092/450] Add a test case for dot support in keys

---
 .../ext/front/matter/YamlFrontMatterTest.java | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java b/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
index 505c70e6a..35c647c3c 100644
--- a/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
+++ b/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
@@ -310,6 +310,25 @@ public void nodesCanBeModified() {
         assertTrue(data.containsKey("see"));
         assertEquals(Collections.singletonList("you"), data.get("see"));
     }
+    
+    @Test
+    public void dotInKeys() {
+        final String input = "---" +
+                "\nms.author: author" +
+                "\n---" +
+                "\n";
+
+        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
+        Node document = PARSER.parse(input);
+        document.accept(visitor);
+
+        Map<String, List<String>> data = visitor.getData();
+
+        assertEquals(1, data.size());
+        assertEquals("ms.author", data.keySet().iterator().next());
+        assertEquals(1, data.get("ms.author").size());
+        assertEquals("author", data.get("key").get(0));
+    }
 
     @Override
     protected String render(String source) {

From c0c99205f4995adb157892843f1afb294e890de0 Mon Sep 17 00:00:00 2001
From: javaor <69024684+javaor@users.noreply.github.com>
Date: Tue, 8 Dec 2020 17:06:56 +0800
Subject: [PATCH 093/450] Update YamlFrontMatterTest.java

---
 .../org/commonmark/ext/front/matter/YamlFrontMatterTest.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java b/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
index 35c647c3c..251b1c15f 100644
--- a/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
+++ b/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
@@ -327,7 +327,7 @@ public void dotInKeys() {
         assertEquals(1, data.size());
         assertEquals("ms.author", data.keySet().iterator().next());
         assertEquals(1, data.get("ms.author").size());
-        assertEquals("author", data.get("key").get(0));
+        assertEquals("author", data.get("ms.author").get(0));
     }
 
     @Override

From 122c709f6e77b2047f6bebbfd788273b00bfe026 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 10 Dec 2020 13:20:24 +1100
Subject: [PATCH 094/450] Rename textBetween method now that it returns the
 source lines

---
 .../commonmark/internal/HeadingParser.java    |  2 +-
 .../commonmark/internal/InlineParserImpl.java | 30 +++++++++----------
 .../LinkReferenceDefinitionParser.java        |  6 ++--
 .../internal/inline/AutolinkInlineParser.java |  2 +-
 .../inline/BackticksInlineParser.java         |  4 +--
 .../internal/inline/EntityInlineParser.java   |  3 +-
 .../internal/inline/HtmlInlineParser.java     |  2 +-
 .../commonmark/internal/inline/Scanner.java   |  5 ++--
 .../org/commonmark/parser/SourceLines.java    |  1 -
 .../internal/inline/ScannerTest.java          | 16 +++++-----
 10 files changed, 34 insertions(+), 37 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
index 9e8c54075..596dfe690 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
@@ -121,7 +121,7 @@ private static HeadingParser getAtxHeading(SourceLine line) {
             }
         }
 
-        SourceLines source = scanner.textBetween(start, end);
+        SourceLines source = scanner.getSource(start, end);
         String content = source.getContent();
         if (content.isEmpty()) {
             return new HeadingParser(level, SourceLines.empty());
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 550cdaa8a..b81d67676 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -180,7 +180,7 @@ private List<? extends Node> parseInline() {
                     Node node = parsedInlineImpl.getNode();
                     scanner.setPosition(parsedInlineImpl.getPosition());
                     if (includeSourceSpans && node.getSourceSpans().isEmpty()) {
-                        node.setSourceSpans(scanner.textBetween(position, scanner.position()).getSourceSpans());
+                        node.setSourceSpans(scanner.getSource(position, scanner.position()).getSourceSpans());
                     }
                     return Collections.singletonList(node);
                 } else {
@@ -242,7 +242,7 @@ private Node parseOpenBracket() {
         scanner.next();
         Position contentPosition = scanner.position();
 
-        Text node = text(scanner.textBetween(start, contentPosition));
+        Text node = text(scanner.getSource(start, contentPosition));
 
         // Add entry to stack for this opener
         addBracket(Bracket.link(node, start, contentPosition, lastBracket, lastDelimiter));
@@ -259,13 +259,13 @@ private Node parseBang() {
         scanner.next();
         if (scanner.next('[')) {
             Position contentPosition = scanner.position();
-            Text node = text(scanner.textBetween(start, contentPosition));
+            Text node = text(scanner.getSource(start, contentPosition));
 
             // Add entry to stack for this opener
             addBracket(Bracket.image(node, start, contentPosition, lastBracket, lastDelimiter));
             return node;
         } else {
-            return text(scanner.textBetween(start, scanner.position()));
+            return text(scanner.getSource(start, scanner.position()));
         }
     }
 
@@ -282,13 +282,13 @@ private Node parseCloseBracket() {
         Bracket opener = lastBracket;
         if (opener == null) {
             // No matching opener, just return a literal.
-            return text(scanner.textBetween(beforeClose, afterClose));
+            return text(scanner.getSource(beforeClose, afterClose));
         }
 
         if (!opener.allowed) {
             // Matching opener but it's not allowed, just return a literal.
             removeLastBracket();
-            return text(scanner.textBetween(beforeClose, afterClose));
+            return text(scanner.getSource(beforeClose, afterClose));
         }
 
         // Check to see if we have a link/image
@@ -331,7 +331,7 @@ private Node parseCloseBracket() {
                 // If the second label is empty `[foo][]` or missing `[foo]`, then the first label is the reference.
                 // But it can only be a reference when there's no (unescaped) bracket in it.
                 // If there is, we don't even need to try to look up the reference. This is an optimization.
-                ref = scanner.textBetween(opener.contentPosition, beforeClose).getContent();
+                ref = scanner.getSource(opener.contentPosition, beforeClose).getContent();
             }
 
             if (ref != null) {
@@ -357,7 +357,7 @@ private Node parseCloseBracket() {
             }
 
             if (includeSourceSpans) {
-                linkOrImage.setSourceSpans(scanner.textBetween(opener.markerPosition, scanner.position()).getSourceSpans());
+                linkOrImage.setSourceSpans(scanner.getSource(opener.markerPosition, scanner.position()).getSourceSpans());
             }
 
             // Process delimiters such as emphasis inside link/image
@@ -386,7 +386,7 @@ private Node parseCloseBracket() {
             removeLastBracket();
 
             scanner.setPosition(afterClose);
-            return text(scanner.textBetween(beforeClose, afterClose));
+            return text(scanner.getSource(beforeClose, afterClose));
         }
     }
 
@@ -414,10 +414,10 @@ private String parseLinkDestination(Scanner scanner) {
         String dest;
         if (delimiter == '<') {
             // chop off surrounding <..>:
-            String rawDestination = scanner.textBetween(start, scanner.position()).getContent();
+            String rawDestination = scanner.getSource(start, scanner.position()).getContent();
             dest = rawDestination.substring(1, rawDestination.length() - 1);
         } else {
-            dest = scanner.textBetween(start, scanner.position()).getContent();
+            dest = scanner.getSource(start, scanner.position()).getContent();
         }
 
         return Escaping.unescapeString(dest);
@@ -433,7 +433,7 @@ private String parseLinkTitle(Scanner scanner) {
         }
 
         // chop off ', " or parens
-        String rawTitle = scanner.textBetween(start, scanner.position()).getContent();
+        String rawTitle = scanner.getSource(start, scanner.position()).getContent();
         String title = rawTitle.substring(1, rawTitle.length() - 1);
         return Escaping.unescapeString(title);
     }
@@ -456,7 +456,7 @@ String parseLinkLabel(Scanner scanner) {
             return null;
         }
 
-        String content = scanner.textBetween(start, end).getContent();
+        String content = scanner.getSource(start, end).getContent();
         // spec: A link label can have at most 999 characters inside the square brackets.
         if (content.length() > 999) {
             return null;
@@ -488,7 +488,7 @@ private Node parseText() {
             scanner.next();
         }
 
-        SourceLines source = scanner.textBetween(start, scanner.position());
+        SourceLines source = scanner.getSource(start, scanner.position());
         String content = source.getContent();
 
         char c = scanner.peek();
@@ -530,7 +530,7 @@ private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char
         scanner.setPosition(start);
         Position positionBefore = start;
         while (scanner.next(delimiterChar)) {
-            delimiters.add(text(scanner.textBetween(positionBefore, scanner.position())));
+            delimiters.add(text(scanner.getSource(positionBefore, scanner.position())));
             positionBefore = scanner.position();
         }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index 6178d8b64..3d8e9ab70 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -121,7 +121,7 @@ private boolean label(Scanner scanner) {
             return false;
         }
 
-        label.append(scanner.textBetween(start, scanner.position()).getContent());
+        label.append(scanner.getSource(start, scanner.position()).getContent());
 
         if (!scanner.hasNext()) {
             // label might continue on next line
@@ -160,7 +160,7 @@ private boolean destination(Scanner scanner) {
             return false;
         }
 
-        String rawDestination = scanner.textBetween(start, scanner.position()).getContent();
+        String rawDestination = scanner.getSource(start, scanner.position()).getContent();
         destination = rawDestination.startsWith("<") ?
                 rawDestination.substring(1, rawDestination.length() - 1) :
                 rawDestination;
@@ -221,7 +221,7 @@ private boolean title(Scanner scanner) {
             return false;
         }
 
-        title.append(scanner.textBetween(start, scanner.position()).getContent());
+        title.append(scanner.getSource(start, scanner.position()).getContent());
 
         if (!scanner.hasNext()) {
             // Title ran until the end of line, so continue on next line (until we find the delimiter)
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index 3f0ba871e..ecfd2d972 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -23,7 +23,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
         scanner.next();
         Position textStart = scanner.position();
         if (scanner.find('>') > 0) {
-            SourceLines textSource = scanner.textBetween(textStart, scanner.position());
+            SourceLines textSource = scanner.getSource(textStart, scanner.position());
             String content = textSource.getContent();
             scanner.next();
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index 07e35e6bc..ad079444a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -23,7 +23,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
             if (count == openingTicks) {
                 Code node = new Code();
 
-                String content = scanner.textBetween(afterOpening, beforeClosing).getContent();
+                String content = scanner.getSource(afterOpening, beforeClosing).getContent();
                 content = content.replace('\n', ' ');
 
                 // spec: If the resulting string both begins and ends with a space character, but does not consist
@@ -41,7 +41,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
         }
 
         // If we got here, we didn't find a matching closing backtick sequence.
-        SourceLines source = scanner.textBetween(start, afterOpening);
+        SourceLines source = scanner.getSource(start, afterOpening);
         Text text = new Text(source.getContent());
         return ParsedInline.of(text, afterOpening);
     }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
index dce5438e9..c29b8694f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
@@ -2,7 +2,6 @@
 
 import org.commonmark.internal.util.AsciiMatcher;
 import org.commonmark.internal.util.Html5Entities;
-import org.commonmark.node.Node;
 import org.commonmark.node.Text;
 
 /**
@@ -48,7 +47,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
     }
 
     private ParsedInline entity(Scanner scanner, Position start) {
-        String text = scanner.textBetween(start, scanner.position()).getContent();
+        String text = scanner.getSource(start, scanner.position()).getContent();
         return ParsedInline.of(new Text(Html5Entities.entityToString(text)), scanner.position());
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index a60b0d7a8..ba992e2fd 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -69,7 +69,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
     }
 
     private static ParsedInline htmlInline(Position start, Scanner scanner) {
-        String text = scanner.textBetween(start, scanner.position()).getContent();
+        String text = scanner.getSource(start, scanner.position()).getContent();
         HtmlInline node = new HtmlInline();
         node.setLiteral(text);
         return ParsedInline.of(node, scanner.position());
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index 5715e2e14..5533cb8ee 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -10,7 +10,7 @@
 public class Scanner {
 
     /**
-     * Character representing the end of input (or outside of the text in case of the "previous" methods).
+     * Character representing the end of input source (or outside of the text in case of the "previous" methods).
      * <p>
      * Note that we can use NULL to represent this because CommonMark does not allow those in the input (we replace them
      * in the beginning of parsing).
@@ -209,8 +209,7 @@ public void setPosition(Position position) {
 
     // For cases where the caller appends the result to a StringBuilder, we could offer another method to avoid some
     // unnecessary copying.
-    // TODO: Rename
-    public SourceLines textBetween(Position begin, Position end) {
+    public SourceLines getSource(Position begin, Position end) {
         if (begin.lineIndex == end.lineIndex) {
             // Shortcut for common case of text from a single line
             SourceLine line = lines.get(begin.lineIndex);
diff --git a/commonmark/src/main/java/org/commonmark/parser/SourceLines.java b/commonmark/src/main/java/org/commonmark/parser/SourceLines.java
index 23f2edb96..e1b761d22 100644
--- a/commonmark/src/main/java/org/commonmark/parser/SourceLines.java
+++ b/commonmark/src/main/java/org/commonmark/parser/SourceLines.java
@@ -37,7 +37,6 @@ public List<SourceLine> getLines() {
     }
 
     public boolean isEmpty() {
-        // TODO: What if there's a single empty line?
         return lines.isEmpty();
     }
 
diff --git a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
index e7728c000..68968d59a 100644
--- a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
@@ -78,48 +78,48 @@ public void testTextBetween() {
         Position start = scanner.position();
 
         scanner.next();
-        assertSourceLines(scanner.textBetween(start, scanner.position()),
+        assertSourceLines(scanner.getSource(start, scanner.position()),
                 "a",
                 SourceSpan.of(10, 3, 1));
 
         Position afterA = scanner.position();
 
         scanner.next();
-        assertSourceLines(scanner.textBetween(start, scanner.position()),
+        assertSourceLines(scanner.getSource(start, scanner.position()),
                 "ab",
                 SourceSpan.of(10, 3, 2));
 
         Position afterB = scanner.position();
 
         scanner.next();
-        assertSourceLines(scanner.textBetween(start, scanner.position()),
+        assertSourceLines(scanner.getSource(start, scanner.position()),
                 "ab\n",
                 SourceSpan.of(10, 3, 2));
 
         scanner.next();
-        assertSourceLines(scanner.textBetween(start, scanner.position()),
+        assertSourceLines(scanner.getSource(start, scanner.position()),
                 "ab\nc",
                 SourceSpan.of(10, 3, 2),
                 SourceSpan.of(11, 4, 1));
 
         scanner.next();
-        assertSourceLines(scanner.textBetween(start, scanner.position()),
+        assertSourceLines(scanner.getSource(start, scanner.position()),
                 "ab\ncd",
                 SourceSpan.of(10, 3, 2),
                 SourceSpan.of(11, 4, 2));
 
         scanner.next();
-        assertSourceLines(scanner.textBetween(start, scanner.position()),
+        assertSourceLines(scanner.getSource(start, scanner.position()),
                 "ab\ncde",
                 SourceSpan.of(10, 3, 2),
                 SourceSpan.of(11, 4, 3));
 
-        assertSourceLines(scanner.textBetween(afterA, scanner.position()),
+        assertSourceLines(scanner.getSource(afterA, scanner.position()),
                 "b\ncde",
                 SourceSpan.of(10, 4, 1),
                 SourceSpan.of(11, 4, 3));
 
-        assertSourceLines(scanner.textBetween(afterB, scanner.position()),
+        assertSourceLines(scanner.getSource(afterB, scanner.position()),
                 "\ncde",
                 SourceSpan.of(11, 4, 3));
     }

From 94a4606f387183c0576d29458962c8d2c0610f11 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 10 Dec 2020 13:58:48 +1100
Subject: [PATCH 095/450] Remove Travis CI

Looks like they stopped providing builds for OSS. Thanks for all the
free builds. Main builds have been moved to GitHub actions already.
Android build will need to be re-enabled somehow.
---
 .travis.yml                                   | 24 -------------------
 .../{.travis.sh => run.sh}                    |  0
 2 files changed, 24 deletions(-)
 delete mode 100644 .travis.yml
 rename commonmark-android-test/{.travis.sh => run.sh} (100%)

diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index ebe918c1c..000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-language: android
-
-matrix:
-  include:
-    - jdk: oraclejdk8
-      env: TEST=java
-    - jdk: openjdk11
-      env: TEST=java
-    - jdk: oraclejdk8
-      env: TEST=android
-      dist: precise
-      android:
-        components:
-          - android-16
-          - build-tools-21.1.1
-          - extra-android-m2repository
-          - sys-img-armeabi-v7a-android-16
-
-  allow_failures:
-    - env: TEST=android
-
-script:
-  - 'if [ $TEST = java ]; then mvn test -Dsurefire.useFile=false; fi'
-  - 'if [ $TEST = android ]; then mvn install -DskipTests && cd commonmark-android-test && travis_retry ./.travis.sh; fi'
diff --git a/commonmark-android-test/.travis.sh b/commonmark-android-test/run.sh
similarity index 100%
rename from commonmark-android-test/.travis.sh
rename to commonmark-android-test/run.sh

From 7b2396b0327107d5e188910c25aa1965f485f69d Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 10 Dec 2020 15:42:49 +1100
Subject: [PATCH 096/450] Add some @since tags to new APIs

---
 commonmark/src/main/java/org/commonmark/node/Node.java         | 3 +++
 commonmark/src/main/java/org/commonmark/node/Nodes.java        | 2 ++
 commonmark/src/main/java/org/commonmark/node/SourceSpan.java   | 2 ++
 commonmark/src/main/java/org/commonmark/node/SourceSpans.java  | 2 ++
 .../main/java/org/commonmark/parser/IncludeSourceSpans.java    | 2 ++
 commonmark/src/main/java/org/commonmark/parser/Parser.java     | 1 +
 commonmark/src/main/java/org/commonmark/parser/SourceLine.java | 2 ++
 .../src/main/java/org/commonmark/parser/SourceLines.java       | 2 ++
 .../src/main/java/org/commonmark/parser/block/BlockParser.java | 2 ++
 9 files changed, 18 insertions(+)

diff --git a/commonmark/src/main/java/org/commonmark/node/Node.java b/commonmark/src/main/java/org/commonmark/node/Node.java
index 8ef608c8c..5a2f036e4 100644
--- a/commonmark/src/main/java/org/commonmark/node/Node.java
+++ b/commonmark/src/main/java/org/commonmark/node/Node.java
@@ -117,6 +117,7 @@ public void insertBefore(Node sibling) {
 
     /**
      * @return the source spans of this node if included by the parser, an empty list otherwise
+     * @since 0.16.0
      */
     public List<SourceSpan> getSourceSpans() {
         return sourceSpans != null ? Collections.unmodifiableList(sourceSpans) : Collections.<SourceSpan>emptyList();
@@ -126,6 +127,7 @@ public List<SourceSpan> getSourceSpans() {
      * Replace the current source spans with the provided list.
      *
      * @param sourceSpans the new source spans to set
+     * @since 0.16.0
      */
     public void setSourceSpans(List<SourceSpan> sourceSpans) {
         if (sourceSpans.isEmpty()) {
@@ -139,6 +141,7 @@ public void setSourceSpans(List<SourceSpan> sourceSpans) {
      * Add a source span to the end of the list.
      *
      * @param sourceSpan the source span to add
+     * @since 0.16.0
      */
     public void addSourceSpan(SourceSpan sourceSpan) {
         if (sourceSpans == null) {
diff --git a/commonmark/src/main/java/org/commonmark/node/Nodes.java b/commonmark/src/main/java/org/commonmark/node/Nodes.java
index a74725f19..22d5932af 100644
--- a/commonmark/src/main/java/org/commonmark/node/Nodes.java
+++ b/commonmark/src/main/java/org/commonmark/node/Nodes.java
@@ -4,6 +4,8 @@
 
 /**
  * Utility class for working with multiple {@link Node}s.
+ *
+ * @since 0.16.0
  */
 public class Nodes {
 
diff --git a/commonmark/src/main/java/org/commonmark/node/SourceSpan.java b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
index a643bd4dc..2410e9ff7 100644
--- a/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
+++ b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
@@ -20,6 +20,8 @@
  * Note that the column index and length are measured in Java characters (UTF-16 code units). If you're outputting them
  * to be consumed by another programming language, e.g. one that uses UTF-8 strings, you will need to translate them,
  * otherwise characters such as emojis will result in incorrect positions.
+ *
+ * @since 0.16.0
  */
 public class SourceSpan {
 
diff --git a/commonmark/src/main/java/org/commonmark/node/SourceSpans.java b/commonmark/src/main/java/org/commonmark/node/SourceSpans.java
index faa70dba0..3ab29f536 100644
--- a/commonmark/src/main/java/org/commonmark/node/SourceSpans.java
+++ b/commonmark/src/main/java/org/commonmark/node/SourceSpans.java
@@ -6,6 +6,8 @@
 
 /**
  * A list of source spans that can be added to. Takes care of merging adjacent source spans.
+ *
+ * @since 0.16.0
  */
 public class SourceSpans {
 
diff --git a/commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java b/commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java
index 4ea8b5112..91d2b4e00 100644
--- a/commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java
+++ b/commonmark/src/main/java/org/commonmark/parser/IncludeSourceSpans.java
@@ -3,6 +3,8 @@
 /**
  * Whether to include {@link org.commonmark.node.SourceSpan} or not while parsing,
  * see {@link Parser.Builder#includeSourceSpans(IncludeSourceSpans)}.
+ *
+ * @since 0.16.0
  */
 public enum IncludeSourceSpans {
     /**
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index a4d5c8531..dcdecfd5a 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -197,6 +197,7 @@ public Builder enabledBlockTypes(Set<Class<? extends Block>> enabledBlockTypes)
          *
          * @param includeSourceSpans which kind of source spans should be included
          * @return {@code this}
+         * @since 0.16.0
          */
         public Builder includeSourceSpans(IncludeSourceSpans includeSourceSpans) {
             this.includeSourceSpans = includeSourceSpans;
diff --git a/commonmark/src/main/java/org/commonmark/parser/SourceLine.java b/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
index f593d3279..63caceb9e 100644
--- a/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
+++ b/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
@@ -4,6 +4,8 @@
 
 /**
  * A line or part of a line from the input source.
+ *
+ * @since 0.16.0
  */
 public class SourceLine {
 
diff --git a/commonmark/src/main/java/org/commonmark/parser/SourceLines.java b/commonmark/src/main/java/org/commonmark/parser/SourceLines.java
index e1b761d22..0b4290341 100644
--- a/commonmark/src/main/java/org/commonmark/parser/SourceLines.java
+++ b/commonmark/src/main/java/org/commonmark/parser/SourceLines.java
@@ -7,6 +7,8 @@
 
 /**
  * A set of lines ({@link SourceLine}) from the input source.
+ *
+ * @since 0.16.0
  */
 public class SourceLines {
 
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
index bdaaf0e47..aa956a48a 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
@@ -40,6 +40,8 @@ public interface BlockParser {
      * Add a source span of the currently parsed block. The default implementation in {@link AbstractBlockParser} adds
      * it to the block. Unless you have some complicated parsing where you need to check source positions, you don't
      * need to override this.
+     *
+     * @since 0.16.0
      */
     void addSourceSpan(SourceSpan sourceSpan);
 

From b48dc96d9798a07add7ad53ee0c1d6306ec371a2 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 10 Dec 2020 22:30:20 +1100
Subject: [PATCH 097/450] Some optimizations

---
 .../commonmark/internal/DocumentParser.java   | 57 ++++++++++--------
 .../internal/FencedCodeBlockParser.java       |  3 +-
 .../commonmark/internal/HeadingParser.java    |  8 ++-
 .../commonmark/internal/InlineParserImpl.java | 60 +++++++++----------
 .../commonmark/parser/block/ParserState.java  |  2 +-
 5 files changed, 66 insertions(+), 64 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 57ad45734..179ad1140 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -36,8 +36,7 @@ public class DocumentParser implements ParserState {
         NODES_TO_CORE_FACTORIES = Collections.unmodifiableMap(map);
     }
 
-
-    private CharSequence line;
+    private SourceLine line;
 
     /**
      * Line index (0-based)
@@ -107,7 +106,7 @@ public Document parse(String input) {
         int lineBreak;
         while ((lineBreak = Parsing.findLineBreak(input, lineStart)) != -1) {
             String line = input.substring(lineStart, lineBreak);
-            incorporateLine(line);
+            parseLine(line);
             if (lineBreak + 1 < input.length() && input.charAt(lineBreak) == '\r' && input.charAt(lineBreak + 1) == '\n') {
                 lineStart = lineBreak + 2;
             } else {
@@ -116,7 +115,7 @@ public Document parse(String input) {
         }
         if (input.length() > 0 && (lineStart == 0 || lineStart < input.length())) {
             String line = input.substring(lineStart);
-            incorporateLine(line);
+            parseLine(line);
         }
 
         return finalizeAndProcess();
@@ -132,7 +131,7 @@ public Document parse(Reader input) throws IOException {
 
         String line;
         while ((line = bufferedReader.readLine()) != null) {
-            incorporateLine(line);
+            parseLine(line);
         }
 
         return finalizeAndProcess();
@@ -140,11 +139,7 @@ public Document parse(Reader input) throws IOException {
 
     @Override
     public SourceLine getLine() {
-        SourceSpan sourceSpan = null;
-        if (includeSourceSpans != IncludeSourceSpans.NONE) {
-            sourceSpan = SourceSpan.of(lineIndex, 0, line.length());
-        }
-        return SourceLine.of(line, sourceSpan);
+        return line;
     }
 
     @Override
@@ -181,12 +176,8 @@ public BlockParser getActiveBlockParser() {
      * Analyze a line of text and update the document appropriately. We parse markdown text by calling this on each
      * line of input, then finalizing the document.
      */
-    private void incorporateLine(CharSequence ln) {
-        lineIndex++;
-        line = Parsing.prepareLine(ln);
-        index = 0;
-        column = 0;
-        columnIsInTab = false;
+    private void parseLine(CharSequence ln) {
+        setLine(ln);
 
         // For each containing block, try to parse the associated line start.
         // The document will always match, so we can skip the first block parser and start at 1 matches
@@ -231,7 +222,7 @@ private void incorporateLine(CharSequence ln) {
             findNextNonSpace();
 
             // this is a little performance optimization:
-            if (isBlank() || (indent < Parsing.CODE_BLOCK_INDENT && Parsing.isLetter(line, nextNonSpace))) {
+            if (isBlank() || (indent < Parsing.CODE_BLOCK_INDENT && Parsing.isLetter(this.line.getContent(), nextNonSpace))) {
                 setNewIndex(nextNonSpace);
                 break;
             }
@@ -310,14 +301,28 @@ private void incorporateLine(CharSequence ln) {
         }
     }
 
+    private void setLine(CharSequence ln) {
+        lineIndex++;
+        index = 0;
+        column = 0;
+        columnIsInTab = false;
+
+        CharSequence lineContent = Parsing.prepareLine(ln);
+        SourceSpan sourceSpan = null;
+        if (includeSourceSpans != IncludeSourceSpans.NONE) {
+            sourceSpan = SourceSpan.of(lineIndex, 0, lineContent.length());
+        }
+        this.line = SourceLine.of(lineContent, sourceSpan);
+    }
+
     private void findNextNonSpace() {
         int i = index;
         int cols = column;
 
         blank = true;
-        int length = line.length();
+        int length = line.getContent().length();
         while (i < length) {
-            char c = line.charAt(i);
+            char c = line.getContent().charAt(i);
             switch (c) {
                 case ' ':
                     i++;
@@ -343,7 +348,7 @@ private void setNewIndex(int newIndex) {
             index = nextNonSpace;
             column = nextNonSpaceColumn;
         }
-        int length = line.length();
+        int length = line.getContent().length();
         while (index < newIndex && index != length) {
             advance();
         }
@@ -357,7 +362,7 @@ private void setNewColumn(int newColumn) {
             index = nextNonSpace;
             column = nextNonSpaceColumn;
         }
-        int length = line.length();
+        int length = line.getContent().length();
         while (column < newColumn && index != length) {
             advance();
         }
@@ -372,7 +377,7 @@ private void setNewColumn(int newColumn) {
     }
 
     private void advance() {
-        char c = line.charAt(index);
+        char c = line.getContent().charAt(index);
         index++;
         if (c == '\t') {
             column += Parsing.columnsToNextTabStop(column);
@@ -390,7 +395,7 @@ private void addLine() {
         if (columnIsInTab) {
             // Our column is in a partially consumed tab. Expand the remaining columns (to the next tab stop) to spaces.
             int afterTab = index + 1;
-            CharSequence rest = line.subSequence(afterTab, line.length());
+            CharSequence rest = line.getContent().subSequence(afterTab, line.getContent().length());
             int spaces = Parsing.columnsToNextTabStop(column);
             StringBuilder sb = new StringBuilder(spaces + rest.length());
             for (int i = 0; i < spaces; i++) {
@@ -399,9 +404,9 @@ private void addLine() {
             sb.append(rest);
             content = sb.toString();
         } else if (index == 0) {
-            content = line;
+            content = line.getContent();
         } else {
-            content = line.subSequence(index, line.length());
+            content = line.getContent().subSequence(index, line.getContent().length());
         }
         SourceSpan sourceSpan = null;
         if (includeSourceSpans == IncludeSourceSpans.BLOCKS_AND_INLINES) {
@@ -419,7 +424,7 @@ private void addSourceSpans() {
             for (int i = 1; i < openBlockParsers.size(); i++) {
                 OpenBlockParser openBlockParser = openBlockParsers.get(i);
                 int blockIndex = openBlockParser.sourceIndex;
-                int length = line.length() - blockIndex;
+                int length = line.getContent().length() - blockIndex;
                 if (length != 0) {
                     openBlockParser.blockParser.addSourceSpan(SourceSpan.of(lineIndex, blockIndex, length));
                 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
index 536d8beff..2d7d2c0c9 100644
--- a/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
@@ -31,8 +31,7 @@ public BlockContinue tryContinue(ParserState state) {
         int nextNonSpace = state.getNextNonSpaceIndex();
         int newIndex = state.getIndex();
         CharSequence line = state.getLine().getContent();
-        boolean closing = state.getIndent() < Parsing.CODE_BLOCK_INDENT && isClosing(line, nextNonSpace);
-        if (closing) {
+        if (state.getIndent() < Parsing.CODE_BLOCK_INDENT && nextNonSpace < line.length() && line.charAt(nextNonSpace) == block.getFenceChar() && isClosing(line, nextNonSpace)) {
             // closing fence - we're at end of line, so we can finalize now
             return BlockContinue.finished();
         } else {
diff --git a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
index 596dfe690..81c60d0d1 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
@@ -46,9 +46,11 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
 
             SourceLine line = state.getLine();
             int nextNonSpace = state.getNextNonSpaceIndex();
-            HeadingParser atxHeading = getAtxHeading(line.substring(nextNonSpace, line.getContent().length()));
-            if (atxHeading != null) {
-                return BlockStart.of(atxHeading).atIndex(line.getContent().length());
+            if (line.getContent().charAt(nextNonSpace) == '#') {
+                HeadingParser atxHeading = getAtxHeading(line.substring(nextNonSpace, line.getContent().length()));
+                if (atxHeading != null) {
+                    return BlockStart.of(atxHeading).atIndex(line.getContent().length());
+                }
             }
 
             int setextHeadingLevel = getSetextHeadingLevel(line.getContent(), nextNonSpace);
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index b81d67676..021fc9255 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -23,7 +23,6 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
     private static final Pattern UNICODE_WHITESPACE_CHAR = Pattern.compile("^[\\p{Zs}\t\r\n\f]");
 
     private final BitSet specialCharacters;
-    private final BitSet delimiterCharacters;
     private final Map<Character, DelimiterProcessor> delimiterProcessors;
     private final InlineParserContext context;
     private final Map<Character, List<InlineContentParser>> inlineParsers;
@@ -53,21 +52,14 @@ public InlineParserImpl(InlineParserContext inlineParserContext) {
         this.inlineParsers.put('&', Collections.<InlineContentParser>singletonList(new EntityInlineParser()));
         this.inlineParsers.put('<', Arrays.asList(new AutolinkInlineParser(), new HtmlInlineParser()));
 
-        this.delimiterCharacters = calculateDelimiterCharacters(this.delimiterProcessors.keySet());
-        this.specialCharacters = calculateSpecialCharacters(delimiterCharacters, inlineParsers.keySet());
+        this.specialCharacters = calculateSpecialCharacters(this.delimiterProcessors.keySet(), inlineParsers.keySet());
     }
 
-    public static BitSet calculateDelimiterCharacters(Set<Character> characters) {
+    public static BitSet calculateSpecialCharacters(Set<Character> delimiterCharacters, Set<Character> characters) {
         BitSet bitSet = new BitSet();
-        for (Character character : characters) {
-            bitSet.set(character);
+        for (Character c : delimiterCharacters) {
+            bitSet.set(c);
         }
-        return bitSet;
-    }
-
-    public static BitSet calculateSpecialCharacters(BitSet delimiterCharacters, Set<Character> characters) {
-        BitSet bitSet = new BitSet();
-        bitSet.or(delimiterCharacters);
         for (Character c : characters) {
             bitSet.set(c);
         }
@@ -166,13 +158,28 @@ private Text text(SourceLines sourceLines) {
      */
     private List<? extends Node> parseInline() {
         char c = scanner.peek();
-        if (c == Scanner.END) {
-            return null;
+
+        switch (c) {
+            case '[':
+                return Collections.singletonList(parseOpenBracket());
+            case '!':
+                return Collections.singletonList(parseBang());
+            case ']':
+                return Collections.singletonList(parseCloseBracket());
+            case '\n':
+                return Collections.singletonList(parseLineBreak());
+            case Scanner.END:
+                return null;
+        }
+
+        // No inline parser, delimiter or other special handling.
+        if (!specialCharacters.get(c)) {
+            return Collections.singletonList(parseText());
         }
 
-        Position position = scanner.position();
         List<InlineContentParser> inlineParsers = this.inlineParsers.get(c);
         if (inlineParsers != null) {
+            Position position = scanner.position();
             for (InlineContentParser inlineParser : inlineParsers) {
                 ParsedInline parsedInline = inlineParser.tryParse(this);
                 if (parsedInline instanceof ParsedInlineImpl) {
@@ -190,20 +197,8 @@ private List<? extends Node> parseInline() {
             }
         }
 
-        switch (c) {
-            case '[':
-                return Collections.singletonList(parseOpenBracket());
-            case '!':
-                return Collections.singletonList(parseBang());
-            case ']':
-                return Collections.singletonList(parseCloseBracket());
-            case '\n':
-                return Collections.singletonList(parseLineBreak());
-        }
-
-        boolean isDelimiter = delimiterCharacters.get(c);
-        if (isDelimiter) {
-            DelimiterProcessor delimiterProcessor = delimiterProcessors.get(c);
+        DelimiterProcessor delimiterProcessor = delimiterProcessors.get(c);
+        if (delimiterProcessor != null) {
             List<? extends Node> nodes = parseDelimiters(delimiterProcessor, c);
             if (nodes != null) {
                 return nodes;
@@ -481,8 +476,10 @@ private Node parseLineBreak() {
     private Node parseText() {
         Position start = scanner.position();
         scanner.next();
-        while (scanner.hasNext()) {
-            if (specialCharacters.get(scanner.peek())) {
+        char c;
+        while (true) {
+            c = scanner.peek();
+            if (c == Scanner.END || specialCharacters.get(c)) {
                 break;
             }
             scanner.next();
@@ -491,7 +488,6 @@ private Node parseText() {
         SourceLines source = scanner.getSource(start, scanner.position());
         String content = source.getContent();
 
-        char c = scanner.peek();
         if (c == '\n') {
             // We parsed until the end of the line. Trim any trailing spaces and remember them (for hard line breaks).
             int end = Parsing.skipBackwards(' ', content, content.length() - 1, 0) + 1;
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java b/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java
index 7ec694238..b32bbaee5 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/ParserState.java
@@ -9,7 +9,7 @@
 public interface ParserState {
 
     /**
-     * @return the current line being parsed (full line)
+     * @return the current source line being parsed (full line)
      */
     SourceLine getLine();
 

From fb6f627a6ad4a3241e5e3d1c327a9cf44a0f859a Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 11 Dec 2020 11:02:51 +1100
Subject: [PATCH 098/450] Changelog for 0.16.0

---
 CHANGELOG.md | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d035037dc..0bc478e49 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,13 +6,21 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## Unreleased
+## [0.16.0] - 2020-12-11
 ### Added
-- Support for including source spans on block nodes:
-  - Answer for "Where in the source input (line/column position and length) does this block come from?"
+- Support for including source spans on block and inline nodes (#1):
+  - Answer for "Where in the source input (line/column position and length) does this node come from?"
   - Useful for things like editors that want to keep the input and rendered output scrolled to the same lines,
-    or start editing on the block that was selected.
-  - Use `includeSourceSpans` on `Parser.Builder` to enable, read data with `Node.getSourceSpans`
+    or start editing on the node that was selected.
+  - Use `includeSourceSpans` on `Parser.Builder` to enable,
+    either with `IncludeSourceSpans.BLOCKS` or `IncludeSourceSpans.BLOCKS_AND_INLINES`
+  - Read data with `Node.getSourceSpans`
+  - Note that enabling this has a small performance impact on parsing (about 10%)
+### Changed
+- In order to support source spans (see above), a few of the extension
+  APIs changed. It should only affect users implementing their own
+  extensions. See the Javadoc to see what changed.
+- YAML front matter extension: Support dots in key names
 
 ## [0.15.2] - 2020-07-20
 ### Fixed
@@ -299,6 +307,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[0.16.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.2...commonmark-parent-0.16.0
 [0.15.2]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.1...commonmark-parent-0.15.2
 [0.15.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.0...commonmark-parent-0.15.1
 [0.15.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.14.0...commonmark-parent-0.15.0

From b413020235384ff3cc41ee421e03f848eeccb83b Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 11 Dec 2020 11:19:04 +1100
Subject: [PATCH 099/450] Fix Javadoc warnings/errors

---
 commonmark/src/main/java/org/commonmark/node/SourceSpan.java | 2 +-
 commonmark/src/main/java/org/commonmark/package-info.java    | 1 -
 commonmark/src/main/java/org/commonmark/parser/Parser.java   | 1 -
 3 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/node/SourceSpan.java b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
index 2410e9ff7..f7dbabc27 100644
--- a/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
+++ b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
@@ -9,7 +9,7 @@
  * <p>
  * For example, this CommonMark source text:
  * <pre><code>
- * > foo
+ * &gt; foo
  * </code></pre>
  * The {@link BlockQuote} node would have this source span: line 0, column 0, length 5.
  * <p>
diff --git a/commonmark/src/main/java/org/commonmark/package-info.java b/commonmark/src/main/java/org/commonmark/package-info.java
index e3f0e0572..e784703e9 100644
--- a/commonmark/src/main/java/org/commonmark/package-info.java
+++ b/commonmark/src/main/java/org/commonmark/package-info.java
@@ -1,6 +1,5 @@
 /**
  * Root package of commonmark-java
- * <p>
  * <ul>
  * <li>{@link org.commonmark.parser} for parsing input text to AST nodes</li>
  * <li>{@link org.commonmark.node} for AST node types and visitors</li>
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index dcdecfd5a..ae1f700b8 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -260,7 +260,6 @@ public Builder postProcessor(PostProcessor postProcessor) {
          * link ([title](http://))
          * image (![alt](http://))
          * <p>
-         * <p>
          * Note that if this method is not called or the inline parser factory is set to null, then the default
          * implementation will be used.
          *

From 049c5416b91b0ea205671e79ef0a241632dc8931 Mon Sep 17 00:00:00 2001
From: bambooagent <build-agent@atlassian.com>
Date: Fri, 11 Dec 2020 02:27:57 +0000
Subject: [PATCH 100/450] [maven-release-plugin] prepare release
 commonmark-parent-0.16.1

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  5 ++---
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 24 insertions(+), 25 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 6ace6dcdf..90a35bffc 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.3-SNAPSHOT</version>
+        <version>0.16.1</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 830679c7e..c3e97a574 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.3-SNAPSHOT</version>
+        <version>0.16.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index f79d47846..863ae472e 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.3-SNAPSHOT</version>
+        <version>0.16.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 68280c177..282148392 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.3-SNAPSHOT</version>
+        <version>0.16.1</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index a3bfdce37..4d9440743 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.3-SNAPSHOT</version>
+        <version>0.16.1</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 0c4a8b863..a163e7444 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.3-SNAPSHOT</version>
+        <version>0.16.1</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 85724e508..dbe139400 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.3-SNAPSHOT</version>
+        <version>0.16.1</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 8e6455a16..e92aa647e 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.15.3-SNAPSHOT</version>
+        <version>0.16.1</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 84e395140..b7dcaeabe 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.3-SNAPSHOT</version>
+        <version>0.16.1</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index cad82f51d..b3cedf8e6 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -1,11 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.3-SNAPSHOT</version>
+        <version>0.16.1</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 4bc665269..9ea2d2313 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.15.3-SNAPSHOT</version>
+        <version>0.16.1</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 7b80779f1..b9a6dd6c7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.15.3-SNAPSHOT</version>
+    <version>0.16.1</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -89,52 +89,52 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.15.3-SNAPSHOT</version>
+                <version>0.16.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.15.3-SNAPSHOT</version>
+                <version>0.16.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.15.3-SNAPSHOT</version>
+                <version>0.16.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.15.3-SNAPSHOT</version>
+                <version>0.16.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.15.3-SNAPSHOT</version>
+                <version>0.16.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.15.3-SNAPSHOT</version>
+                <version>0.16.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.15.3-SNAPSHOT</version>
+                <version>0.16.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.15.3-SNAPSHOT</version>
+                <version>0.16.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.15.3-SNAPSHOT</version>
+                <version>0.16.1</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.15.3-SNAPSHOT</version>
+                <version>0.16.1</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -208,7 +208,7 @@
         <!-- Push URL is used for pushing commits and tag when doing a release on internal systems, see https://maven.apache.org/scm/git.html -->
         <developerConnection>scm:git:[fetch=]git@github.com:atlassian/commonmark-java.git[push=]git@bitbucket.org:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.16.1</tag>
     </scm>
 
 </project>

From 790dba08fb1698d6d79e4eac389a5e8708511b65 Mon Sep 17 00:00:00 2001
From: bambooagent <build-agent@atlassian.com>
Date: Fri, 11 Dec 2020 02:27:59 +0000
Subject: [PATCH 101/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 90a35bffc..d6a19df40 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.1</version>
+        <version>0.16.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index c3e97a574..80d01118f 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.1</version>
+        <version>0.16.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 863ae472e..babf54640 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.1</version>
+        <version>0.16.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 282148392..07b840e63 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.1</version>
+        <version>0.16.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 4d9440743..166ea02b1 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.1</version>
+        <version>0.16.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index a163e7444..223837493 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.1</version>
+        <version>0.16.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index dbe139400..78829c1e0 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.1</version>
+        <version>0.16.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index e92aa647e..06c8ce933 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>com.atlassian.commonmark</groupId>
-        <version>0.16.1</version>
+        <version>0.16.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index b7dcaeabe..aa43a6619 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.1</version>
+        <version>0.16.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index b3cedf8e6..ff1459728 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.1</version>
+        <version>0.16.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 9ea2d2313..ff5a74381 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>com.atlassian.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.1</version>
+        <version>0.16.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index b9a6dd6c7..4907cedc5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.16.1</version>
+    <version>0.16.2-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -89,52 +89,52 @@
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.16.1</version>
+                <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.16.1</version>
+                <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.16.1</version>
+                <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.16.1</version>
+                <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.16.1</version>
+                <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.16.1</version>
+                <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.16.1</version>
+                <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.16.1</version>
+                <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.16.1</version>
+                <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>com.atlassian.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.16.1</version>
+                <version>0.16.2-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -208,7 +208,7 @@
         <!-- Push URL is used for pushing commits and tag when doing a release on internal systems, see https://maven.apache.org/scm/git.html -->
         <developerConnection>scm:git:[fetch=]git@github.com:atlassian/commonmark-java.git[push=]git@bitbucket.org:atlassian/commonmark-java.git</developerConnection>
         <url>https://github.com/atlassian/commonmark-java</url>
-        <tag>commonmark-parent-0.16.1</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From 001add91d3318d7e5754d28037c97c02ba6aacb7 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 11 Dec 2020 13:26:43 +1100
Subject: [PATCH 102/450] Change version (had to burn 0.16.0, thanks maven)

---
 CHANGELOG.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0bc478e49..0000368ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## [0.16.0] - 2020-12-11
+## [0.16.1] - 2020-12-11
 ### Added
 - Support for including source spans on block and inline nodes (#1):
   - Answer for "Where in the source input (line/column position and length) does this node come from?"
@@ -307,7 +307,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
-[0.16.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.2...commonmark-parent-0.16.0
+[0.16.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.2...commonmark-parent-0.16.1
 [0.15.2]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.1...commonmark-parent-0.15.2
 [0.15.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.0...commonmark-parent-0.15.1
 [0.15.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.14.0...commonmark-parent-0.15.0

From b0952daecbabbbf27fc6c2eee82112421df72346 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 11 Dec 2020 13:48:14 +1100
Subject: [PATCH 103/450] Build javadoc as well, otherwise it can fail in the
 middle of a release

---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e1c22438d..3d4893158 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
           java-version: ${{ matrix.java }}
 
       - name: Build
-        run: mvn -B package
+        run: mvn -B package javadoc:javadoc
 
   coverage:
     runs-on: ubuntu-latest

From f99163e6a2e660e0c4fc3b008391e44ef8b3422a Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 11 Dec 2020 14:24:56 +1100
Subject: [PATCH 104/450] Bump versions

---
 README.md                         | 4 ++--
 commonmark-android-test/README.md | 4 ++--
 commonmark-android-test/run.sh    | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index b9718e9f2..d5fa98f4b 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.15.2</version>
+    <version>0.16.1</version>
 </dependency>
 ```
 
@@ -233,7 +233,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.15.2</version>
+    <version>0.16.1</version>
 </dependency>
 ```
 
diff --git a/commonmark-android-test/README.md b/commonmark-android-test/README.md
index a4c498fc4..2812e3e62 100644
--- a/commonmark-android-test/README.md
+++ b/commonmark-android-test/README.md
@@ -28,12 +28,12 @@ sdk.dir=/path_to_android_sdk
 path.report=../report
 
 # Version number of commonmark and extensions in maven central.
-version.maven=0.15.2
+version.maven=0.16.1
 # Version number of autolink in maven central (not bundled with extension jar).
 version.maven_autolink=0.10.0
 
 # Version number of commonmark and extensions in project.
-version.snapshot=0.14.1-SNAPSHOT
+version.snapshot=0.16.2-SNAPSHOT
 # Version number of autolink for snapshots (not bundled in extension jar).
 version.snapshot_autolink=0.10.0
 ```
diff --git a/commonmark-android-test/run.sh b/commonmark-android-test/run.sh
index 44426d7fe..840614fdb 100755
--- a/commonmark-android-test/run.sh
+++ b/commonmark-android-test/run.sh
@@ -8,7 +8,7 @@ autolink_version=$(cd ../commonmark-ext-autolink && mvn help:evaluate -Dexpressi
 
 touch test.properties
 echo "path.report=../report" >> test.properties
-echo "version.maven=0.15.2" >> test.properties
+echo "version.maven=0.16.1" >> test.properties
 echo "version.maven_autolink=0.10.0" >> test.properties
 echo "version.snapshot=$version" >> test.properties
 echo "version.snapshot_autolink=$autolink_version" >> test.properties

From 193ce13907a6cc3197b5d65c20bbe53aa4ec9364 Mon Sep 17 00:00:00 2001
From: Dimitry Ivanov <di@noties.io>
Date: Wed, 16 Dec 2020 01:16:34 +0300
Subject: [PATCH 105/450] Use lint for Android compatibility

---
 commonmark-android-test/README.md             |  68 +-----
 commonmark-android-test/app/build.gradle      |  73 ++-----
 commonmark-android-test/app/lint.xml          |  25 +++
 .../android/test/AndroidSupportTest.java      | 200 +++++++++---------
 commonmark-android-test/build.gradle          |   6 +-
 .../gradle/wrapper/gradle-wrapper.jar         | Bin 49896 -> 58695 bytes
 .../gradle/wrapper/gradle-wrapper.properties  |   3 +-
 commonmark-android-test/gradlew               | 109 ++++++----
 commonmark-android-test/gradlew.bat           |  30 ++-
 commonmark-android-test/run.sh                |  20 --
 10 files changed, 240 insertions(+), 294 deletions(-)
 create mode 100644 commonmark-android-test/app/lint.xml
 delete mode 100755 commonmark-android-test/run.sh

diff --git a/commonmark-android-test/README.md b/commonmark-android-test/README.md
index 2812e3e62..458b7206b 100644
--- a/commonmark-android-test/README.md
+++ b/commonmark-android-test/README.md
@@ -1,19 +1,18 @@
 commonmark-android-test
 =======================
 
-This module ensures that commonmark-java is supported on Android
+This module ensures that commonmark-java is supported on Android by running `lint` checks on library sources.
 
 Requirements:
 
 * Java 7 or above
-* Android SDK 15
-* Running emulator or connected android device
+* Android SDK 30
 
 Configuration
 -----
 
 1. Download Android SDK
-2. Be sure that SDK Platform 15 and emulator for this platform (system image) are installed. It's recommended to use x86
+2. Be sure that SDK Platform 30 is installed. It's recommended to use x86
 3. Export to PATH: `path_to_android_sdk/platform-tools` and `path_to_android_sdk/tools`
 4. Create 2 properties files in commonmark-android-test
 
@@ -22,76 +21,21 @@ Configuration
 sdk.dir=/path_to_android_sdk
 ```
 
-/test.properties
-```properties
-# Absolute or relative (./ == /app) path to test reports.
-path.report=../report
-
-# Version number of commonmark and extensions in maven central.
-version.maven=0.16.1
-# Version number of autolink in maven central (not bundled with extension jar).
-version.maven_autolink=0.10.0
-
-# Version number of commonmark and extensions in project.
-version.snapshot=0.16.2-SNAPSHOT
-# Version number of autolink for snapshots (not bundled in extension jar).
-version.snapshot_autolink=0.10.0
-```
-
-If you're going to test on device with Android 15 then you can skip downloading emulator.
-
 Usage
 -----
 
-#### Run test with MAVEN version
+#### Run lint checked
 
 on Mac/Linux:
 ```shell
-./gradlew :app:connectedMavenDebugAndroidTest
+./gradlew :app:lint
 ```
 
 on Windows:
 ```bat
-.\gradlew :app:connectedMavenDebugAndroidTest
-```
-
-#### Run test with SNAPSHOT version
-
-Before running tests you need to run `mvn clean install` in the root of
-this repository.
-
-on Mac/Linux:
-```shell
-./gradlew :app:connectedSnapshotDebugAndroidTest
+.\gradlew :app:lint
 ```
 
-on Windows:
-```bat
-.\gradlew :app:connectedSnapshotDebugAndroidTest
-```
-
-
-#### Testing in CI
-
-on Mac/Linux:
-```shell
-echo no | android create avd --force -n test -t "android-15"
-emulator -avd test &
-adb wait-for-device
-./gradlew :app:clean :app:connectedSnapshotDebugAndroidTest
-adb emu kill
-```
-
-on Windows:
-```bat
-echo no | android create avd --force -n test -t "android-15"
-start emulator -avd test
-adb wait-for-device
-gradlew :app:clean :app:connectedSnapshotDebugAndroidTest & adb emu kill
-```
-
-There could be problems with command `adb wait-for-device` which could be resolved by adding additional pause before running test.
-
 Links
 -----
 [Gradle Documentations](https://docs.gradle.org/current/userguide/userguide.html)
diff --git a/commonmark-android-test/app/build.gradle b/commonmark-android-test/app/build.gradle
index 3ca56fbe9..86a7dd1e3 100644
--- a/commonmark-android-test/app/build.gradle
+++ b/commonmark-android-test/app/build.gradle
@@ -1,31 +1,15 @@
 apply plugin: 'com.android.application'
 
-def testProperties
-def testPropertiesFile = file('../test.properties')
-if (testPropertiesFile.canRead()) {
-    testProperties = new Properties()
-    testPropertiesFile.withInputStream {
-        stream -> testProperties.load(stream)
-    }
-}
-
 android {
-    compileSdkVersion 16
-    buildToolsVersion "21.1.1"
+    compileSdkVersion 30
+    buildToolsVersion "30.0.2"
 
     defaultConfig {
         applicationId "com.atlassian.commonmark.android.test"
         minSdkVersion 16
-        targetSdkVersion 16
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
-
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-    }
-
-    productFlavors {
-        maven
-        snapshot
     }
 
     compileOptions {
@@ -40,45 +24,22 @@ android {
         exclude 'META-INF/NOTICE.txt'
     }
 
-    testOptions {
-        resultsDir = testProperties['path.report']
-    }
-}
-
-repositories {
-    flatDir {
-        dirs '../../commonmark/target',
-                '../../commonmark-ext-autolink/target',
-                '../../commonmark-ext-gfm-strikethrough/target',
-                '../../commonmark-ext-gfm-tables/target',
-                '../../commonmark-ext-heading-anchor/target',
-                '../../commonmark-ext-ins/target',
-                '../../commonmark-ext-yaml-front-matter/target',
-                '../../commonmark-test-util/target'
+    // we add other modules sources in order for lint to process them (lint operates on sources)
+    sourceSets {
+        main {
+            java.srcDirs += [
+                    '../../commonmark',
+                    '../../commonmark-ext-autolink',
+                    '../../commonmark-ext-gfm-strikethrough',
+                    '../../commonmark-ext-gfm-tables',
+                    '../../commonmark-ext-heading-anchor',
+                    '../../commonmark-ext-ins',
+                    '../../commonmark-ext-yaml-front-matter'
+            ].collect { "$it/src/main/java" }
+        }
     }
 }
 
 dependencies {
-    androidTestCompile 'com.android.support.test:runner:0.4.1'
-    androidTestCompile 'com.android.support.test:rules:0.4.1'
-
-    androidTestCompile ':commonmark-test-util-' + testProperties['version.snapshot']
-
-    androidTestMavenCompile 'org.nibor.autolink:autolink:' + testProperties['version.maven_autolink']
-    androidTestMavenCompile 'com.atlassian.commonmark:commonmark:' + testProperties['version.maven']
-    androidTestMavenCompile 'com.atlassian.commonmark:commonmark-ext-autolink:' + testProperties['version.maven']
-    androidTestMavenCompile 'com.atlassian.commonmark:commonmark-ext-gfm-strikethrough:' + testProperties['version.maven']
-    androidTestMavenCompile 'com.atlassian.commonmark:commonmark-ext-gfm-tables:' + testProperties['version.maven']
-    androidTestMavenCompile 'com.atlassian.commonmark:commonmark-ext-heading-anchor:' + testProperties['version.maven']
-    androidTestMavenCompile 'com.atlassian.commonmark:commonmark-ext-ins:' + testProperties['version.maven']
-    androidTestMavenCompile 'com.atlassian.commonmark:commonmark-ext-yaml-front-matter:' + testProperties['version.maven']
-
-    androidTestSnapshotCompile 'org.nibor.autolink:autolink:' + testProperties['version.snapshot_autolink']
-    androidTestSnapshotCompile ':commonmark-' + testProperties['version.snapshot']
-    androidTestSnapshotCompile ':commonmark-ext-autolink-' + testProperties['version.snapshot']
-    androidTestSnapshotCompile ':commonmark-ext-gfm-strikethrough-' + testProperties['version.snapshot']
-    androidTestSnapshotCompile ':commonmark-ext-gfm-tables-' + testProperties['version.snapshot']
-    androidTestSnapshotCompile ':commonmark-ext-heading-anchor-' + testProperties['version.snapshot']
-    androidTestSnapshotCompile ':commonmark-ext-ins-' + testProperties['version.snapshot']
-    androidTestSnapshotCompile ':commonmark-ext-yaml-front-matter-' + testProperties['version.snapshot']
+    implementation('org.nibor.autolink:autolink:0.10.0')
 }
diff --git a/commonmark-android-test/app/lint.xml b/commonmark-android-test/app/lint.xml
new file mode 100644
index 000000000..3507f11d5
--- /dev/null
+++ b/commonmark-android-test/app/lint.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<lint>
+    <!--Method considered overridden by Dalvik-->
+    <issue id="DalvikOverride" severity="fatal"/>
+
+    <!--Package not included in Android-->
+    <issue id="InvalidPackage" severity="fatal"/>
+
+    <!--Using Private APIs-->
+    <issue id="PrivateApi" severity="fatal"/>
+
+    <!--Potential AAPT crash-->
+    <issue id="AaptCrash" severity="fatal"/>
+
+    <!--Restricted API-->
+    <issue id="RestrictedApi" severity="fatal"/>
+
+    <!--Calling new methods on older versions-->
+    <issue id="NewApi" severity="fatal"/>
+
+    <issue id="AllowBackup" severity="ignore"/>
+    <issue id="FullBackupContent" severity="ignore"/>
+    <issue id="MissingApplicationIcon" severity="ignore"/>
+    <issue id="GradleDependency" severity="ignore"/>
+</lint>
diff --git a/commonmark-android-test/app/src/androidTest/java/com/atlassian/commonmark/android/test/AndroidSupportTest.java b/commonmark-android-test/app/src/androidTest/java/com/atlassian/commonmark/android/test/AndroidSupportTest.java
index 26fd2c360..1a27dd720 100644
--- a/commonmark-android-test/app/src/androidTest/java/com/atlassian/commonmark/android/test/AndroidSupportTest.java
+++ b/commonmark-android-test/app/src/androidTest/java/com/atlassian/commonmark/android/test/AndroidSupportTest.java
@@ -1,100 +1,100 @@
-package com.atlassian.commonmark.android.test;
-
-import org.commonmark.Extension;
-import org.commonmark.ext.autolink.AutolinkExtension;
-import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
-import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
-import org.commonmark.ext.gfm.tables.TablesExtension;
-import org.commonmark.ext.heading.anchor.HeadingAnchorExtension;
-import org.commonmark.ext.ins.InsExtension;
-import org.commonmark.node.Node;
-import org.commonmark.parser.Parser;
-import org.commonmark.renderer.html.HtmlRenderer;
-import org.commonmark.testutil.TestResources;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.support.test.runner.AndroidJUnit4;
-import android.test.suitebuilder.annotation.SmallTest;
-
-import java.util.Collections;
-
-import static org.junit.Assert.assertNotNull;
-
-@RunWith(AndroidJUnit4.class)
-@SmallTest
-public class AndroidSupportTest {
-
-    private String spec;
-
-    @Before
-    public void setUp() throws Exception {
-        spec = TestResources.readAsString(TestResources.getSpec());
-    }
-
-    @Test
-    public void parseTest() throws Exception {
-        Parser parser = new Parser.Builder().build();
-
-        Node document = parser.parse(spec);
-
-        assertNotNull(document);
-    }
-
-    @Test
-    public void autolinkExtensionTest() throws Exception {
-        parseWithExtensionsTest(AutolinkExtension.create());
-    }
-
-    @Test
-    public void strikethroughExtensionTest() throws Exception {
-        parseWithExtensionsTest(StrikethroughExtension.create());
-    }
-
-    @Test
-    public void tablesExtensionTest() throws Exception {
-        parseWithExtensionsTest(TablesExtension.create());
-    }
-
-    @Test
-    public void headingAnchorExtensionTest() throws Exception {
-        parseWithExtensionsTest(HeadingAnchorExtension.create());
-    }
-
-    @Test
-    public void insExtensionTest() throws Exception {
-        parseWithExtensionsTest(InsExtension.create());
-    }
-
-    @Test
-    public void yamlFrontMatterExtensionTest() throws Exception {
-        parseWithExtensionsTest(YamlFrontMatterExtension.create());
-    }
-
-    @Test
-    public void htmlRendererTest() throws Exception {
-        Parser parser = Parser.builder().build();
-        HtmlRenderer renderer = HtmlRenderer.builder().build();
-
-        String renderedString = renderer.render(parser.parse(spec));
-
-        assertNotNull(renderedString);
-    }
-
-    private void parseWithExtensionsTest(Extension extension) throws Exception {
-        Parser parser = Parser.builder()
-                .extensions(Collections.singletonList(extension))
-                .build();
-
-        Node document = parser.parse(spec);
-        assertNotNull(document);
-
-        HtmlRenderer renderer = HtmlRenderer.builder()
-                .extensions(Collections.singletonList(extension))
-                .build();
-
-        String renderedString = renderer.render(document);
-        assertNotNull(renderedString);
-    }
-}
+//package com.atlassian.commonmark.android.test;
+//
+//import org.commonmark.Extension;
+//import org.commonmark.ext.autolink.AutolinkExtension;
+//import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
+//import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
+//import org.commonmark.ext.gfm.tables.TablesExtension;
+//import org.commonmark.ext.heading.anchor.HeadingAnchorExtension;
+//import org.commonmark.ext.ins.InsExtension;
+//import org.commonmark.node.Node;
+//import org.commonmark.parser.Parser;
+//import org.commonmark.renderer.html.HtmlRenderer;
+//import org.commonmark.testutil.TestResources;
+//import org.junit.Before;
+//import org.junit.Test;
+//import org.junit.runner.RunWith;
+//
+//import android.support.test.runner.AndroidJUnit4;
+//import android.test.suitebuilder.annotation.SmallTest;
+//
+//import java.util.Collections;
+//
+//import static org.junit.Assert.assertNotNull;
+//
+//@RunWith(AndroidJUnit4.class)
+//@SmallTest
+//public class AndroidSupportTest {
+//
+//    private String spec;
+//
+//    @Before
+//    public void setUp() throws Exception {
+//        spec = TestResources.readAsString(TestResources.getSpec());
+//    }
+//
+//    @Test
+//    public void parseTest() throws Exception {
+//        Parser parser = new Parser.Builder().build();
+//
+//        Node document = parser.parse(spec);
+//
+//        assertNotNull(document);
+//    }
+//
+//    @Test
+//    public void autolinkExtensionTest() throws Exception {
+//        parseWithExtensionsTest(AutolinkExtension.create());
+//    }
+//
+//    @Test
+//    public void strikethroughExtensionTest() throws Exception {
+//        parseWithExtensionsTest(StrikethroughExtension.create());
+//    }
+//
+//    @Test
+//    public void tablesExtensionTest() throws Exception {
+//        parseWithExtensionsTest(TablesExtension.create());
+//    }
+//
+//    @Test
+//    public void headingAnchorExtensionTest() throws Exception {
+//        parseWithExtensionsTest(HeadingAnchorExtension.create());
+//    }
+//
+//    @Test
+//    public void insExtensionTest() throws Exception {
+//        parseWithExtensionsTest(InsExtension.create());
+//    }
+//
+//    @Test
+//    public void yamlFrontMatterExtensionTest() throws Exception {
+//        parseWithExtensionsTest(YamlFrontMatterExtension.create());
+//    }
+//
+//    @Test
+//    public void htmlRendererTest() throws Exception {
+//        Parser parser = Parser.builder().build();
+//        HtmlRenderer renderer = HtmlRenderer.builder().build();
+//
+//        String renderedString = renderer.render(parser.parse(spec));
+//
+//        assertNotNull(renderedString);
+//    }
+//
+//    private void parseWithExtensionsTest(Extension extension) throws Exception {
+//        Parser parser = Parser.builder()
+//                .extensions(Collections.singletonList(extension))
+//                .build();
+//
+//        Node document = parser.parse(spec);
+//        assertNotNull(document);
+//
+//        HtmlRenderer renderer = HtmlRenderer.builder()
+//                .extensions(Collections.singletonList(extension))
+//                .build();
+//
+//        String renderedString = renderer.render(document);
+//        assertNotNull(renderedString);
+//    }
+//}
diff --git a/commonmark-android-test/build.gradle b/commonmark-android-test/build.gradle
index 027fee4d9..4de776573 100644
--- a/commonmark-android-test/build.gradle
+++ b/commonmark-android-test/build.gradle
@@ -1,18 +1,22 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.5.0'
+        classpath 'com.android.tools.build:gradle:4.0.2'
     }
 }
 
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 
 task clean(type: Delete) {
     delete rootProject.buildDir
 }
+
+
diff --git a/commonmark-android-test/gradle/wrapper/gradle-wrapper.jar b/commonmark-android-test/gradle/wrapper/gradle-wrapper.jar
index 8c0fb64a8698b08ecc4158d828ca593c4928e9dd..f3d88b1c2faf2fc91d853cd5d4242b5547257070 100644
GIT binary patch
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N6sQqkUiJO2{|C|0X_No}

diff --git a/commonmark-android-test/gradle/wrapper/gradle-wrapper.properties b/commonmark-android-test/gradle/wrapper/gradle-wrapper.properties
index 122a0dca2..1b16c34a7 100644
--- a/commonmark-android-test/gradle/wrapper/gradle-wrapper.properties
+++ b/commonmark-android-test/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Mon Dec 28 10:00:20 PST 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip
diff --git a/commonmark-android-test/gradlew b/commonmark-android-test/gradlew
index 9d82f7891..2fe81a7d9 100755
--- a/commonmark-android-test/gradlew
+++ b/commonmark-android-test/gradlew
@@ -1,4 +1,20 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
 
 ##############################################################################
 ##
@@ -6,20 +22,38 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
 
 APP_NAME="Gradle"
 APP_BASE_NAME=`basename "$0"`
 
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD="maximum"
 
-warn ( ) {
+warn () {
     echo "$*"
 }
 
-die ( ) {
+die () {
     echo
     echo "$*"
     echo
@@ -30,6 +64,7 @@ die ( ) {
 cygwin=false
 msys=false
 darwin=false
+nonstop=false
 case "`uname`" in
   CYGWIN* )
     cygwin=true
@@ -40,26 +75,11 @@ case "`uname`" in
   MINGW* )
     msys=true
     ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
 esac
 
-# Attempt to set APP_HOME
-# Resolve links: $0 may be a link
-PRG="$0"
-# Need this for relative symlinks.
-while [ -h "$PRG" ] ; do
-    ls=`ls -ld "$PRG"`
-    link=`expr "$ls" : '.*-> \(.*\)$'`
-    if expr "$link" : '/.*' > /dev/null; then
-        PRG="$link"
-    else
-        PRG=`dirname "$PRG"`"/$link"
-    fi
-done
-SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >/dev/null
-APP_HOME="`pwd -P`"
-cd "$SAVED" >/dev/null
-
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
 # Determine the Java command to use to start the JVM.
@@ -85,7 +105,7 @@ location of your Java installation."
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -105,8 +125,8 @@ if $darwin; then
     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
 fi
 
-# For Cygwin, switch paths to Windows format before running java
-if $cygwin ; then
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
     JAVACMD=`cygpath --unix "$JAVACMD"`
@@ -134,27 +154,30 @@ if $cygwin ; then
         else
             eval `echo args$i`="\"$arg\""
         fi
-        i=$((i+1))
+        i=`expr $i + 1`
     done
     case $i in
-        (0) set -- ;;
-        (1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+exec "$JAVACMD" "$@"
diff --git a/commonmark-android-test/gradlew.bat b/commonmark-android-test/gradlew.bat
index aec99730b..24467a141 100644
--- a/commonmark-android-test/gradlew.bat
+++ b/commonmark-android-test/gradlew.bat
@@ -1,3 +1,19 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
 @if "%DEBUG%" == "" @echo off
 @rem ##########################################################################
 @rem
@@ -8,14 +24,14 @@
 @rem Set local scope for the variables with windows NT shell
 if "%OS%"=="Windows_NT" setlocal
 
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
 set DIRNAME=%~dp0
 if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
 @rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome
 
@@ -46,10 +62,9 @@ echo location of your Java installation.
 goto fail
 
 :init
-@rem Get command-line arguments, handling Windowz variants
+@rem Get command-line arguments, handling Windows variants
 
 if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
 
 :win9xME_args
 @rem Slurp the command line arguments.
@@ -60,11 +75,6 @@ set _SKIP=2
 if "x%~1" == "x" goto execute
 
 set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
 
 :execute
 @rem Setup the command line
diff --git a/commonmark-android-test/run.sh b/commonmark-android-test/run.sh
deleted file mode 100755
index 840614fdb..000000000
--- a/commonmark-android-test/run.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/sh
-
-set -e
-set -x
-
-version=$(cd .. && mvn help:evaluate -Dexpression=project.version | grep -v '^\[' | tail -1)
-autolink_version=$(cd ../commonmark-ext-autolink && mvn help:evaluate -Dexpression=autolink.version | grep -v '^\[' | tail -1)
-
-touch test.properties
-echo "path.report=../report" >> test.properties
-echo "version.maven=0.16.1" >> test.properties
-echo "version.maven_autolink=0.10.0" >> test.properties
-echo "version.snapshot=$version" >> test.properties
-echo "version.snapshot_autolink=$autolink_version" >> test.properties
-
-echo no | android create avd --force -n test -t "android-16"
-emulator -avd test -no-audio -no-window &
-android-wait-for-emulator
-
-TERM=dumb ./gradlew --stacktrace :app:connectedSnapshotDebugAndroidTest

From 1cced842e89ad04fe6fb1ff82c3b25ca49579f65 Mon Sep 17 00:00:00 2001
From: Dimitry Ivanov <di@noties.io>
Date: Wed, 16 Dec 2020 01:19:46 +0300
Subject: [PATCH 106/450] Add android compatibility to Github action workflow

---
 .github/workflows/ci.yml | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3d4893158..9b6d9c795 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,3 +38,17 @@ jobs:
 
       - name: Publish coverage
         uses: codecov/codecov-action@v1
+
+  android-compatibility:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Android Lint checks
+        run: cd commonmark-android-test && ./gradlew :app:lint

From 78b2fdc3971773d55cd796a896efff7213fe06ff Mon Sep 17 00:00:00 2001
From: Dimitry Ivanov <di@noties.io>
Date: Mon, 21 Dec 2020 14:47:18 +0300
Subject: [PATCH 107/450] Remove unused Android test class

---
 .../android/test/AndroidSupportTest.java      | 100 ------------------
 1 file changed, 100 deletions(-)
 delete mode 100644 commonmark-android-test/app/src/androidTest/java/com/atlassian/commonmark/android/test/AndroidSupportTest.java

diff --git a/commonmark-android-test/app/src/androidTest/java/com/atlassian/commonmark/android/test/AndroidSupportTest.java b/commonmark-android-test/app/src/androidTest/java/com/atlassian/commonmark/android/test/AndroidSupportTest.java
deleted file mode 100644
index 1a27dd720..000000000
--- a/commonmark-android-test/app/src/androidTest/java/com/atlassian/commonmark/android/test/AndroidSupportTest.java
+++ /dev/null
@@ -1,100 +0,0 @@
-//package com.atlassian.commonmark.android.test;
-//
-//import org.commonmark.Extension;
-//import org.commonmark.ext.autolink.AutolinkExtension;
-//import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
-//import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
-//import org.commonmark.ext.gfm.tables.TablesExtension;
-//import org.commonmark.ext.heading.anchor.HeadingAnchorExtension;
-//import org.commonmark.ext.ins.InsExtension;
-//import org.commonmark.node.Node;
-//import org.commonmark.parser.Parser;
-//import org.commonmark.renderer.html.HtmlRenderer;
-//import org.commonmark.testutil.TestResources;
-//import org.junit.Before;
-//import org.junit.Test;
-//import org.junit.runner.RunWith;
-//
-//import android.support.test.runner.AndroidJUnit4;
-//import android.test.suitebuilder.annotation.SmallTest;
-//
-//import java.util.Collections;
-//
-//import static org.junit.Assert.assertNotNull;
-//
-//@RunWith(AndroidJUnit4.class)
-//@SmallTest
-//public class AndroidSupportTest {
-//
-//    private String spec;
-//
-//    @Before
-//    public void setUp() throws Exception {
-//        spec = TestResources.readAsString(TestResources.getSpec());
-//    }
-//
-//    @Test
-//    public void parseTest() throws Exception {
-//        Parser parser = new Parser.Builder().build();
-//
-//        Node document = parser.parse(spec);
-//
-//        assertNotNull(document);
-//    }
-//
-//    @Test
-//    public void autolinkExtensionTest() throws Exception {
-//        parseWithExtensionsTest(AutolinkExtension.create());
-//    }
-//
-//    @Test
-//    public void strikethroughExtensionTest() throws Exception {
-//        parseWithExtensionsTest(StrikethroughExtension.create());
-//    }
-//
-//    @Test
-//    public void tablesExtensionTest() throws Exception {
-//        parseWithExtensionsTest(TablesExtension.create());
-//    }
-//
-//    @Test
-//    public void headingAnchorExtensionTest() throws Exception {
-//        parseWithExtensionsTest(HeadingAnchorExtension.create());
-//    }
-//
-//    @Test
-//    public void insExtensionTest() throws Exception {
-//        parseWithExtensionsTest(InsExtension.create());
-//    }
-//
-//    @Test
-//    public void yamlFrontMatterExtensionTest() throws Exception {
-//        parseWithExtensionsTest(YamlFrontMatterExtension.create());
-//    }
-//
-//    @Test
-//    public void htmlRendererTest() throws Exception {
-//        Parser parser = Parser.builder().build();
-//        HtmlRenderer renderer = HtmlRenderer.builder().build();
-//
-//        String renderedString = renderer.render(parser.parse(spec));
-//
-//        assertNotNull(renderedString);
-//    }
-//
-//    private void parseWithExtensionsTest(Extension extension) throws Exception {
-//        Parser parser = Parser.builder()
-//                .extensions(Collections.singletonList(extension))
-//                .build();
-//
-//        Node document = parser.parse(spec);
-//        assertNotNull(document);
-//
-//        HtmlRenderer renderer = HtmlRenderer.builder()
-//                .extensions(Collections.singletonList(extension))
-//                .build();
-//
-//        String renderedString = renderer.render(document);
-//        assertNotNull(renderedString);
-//    }
-//}

From 10ecdbd8aadfa62d6d62b89ce6135011ebb2eeee Mon Sep 17 00:00:00 2001
From: Dimitry Ivanov <di@noties.io>
Date: Mon, 28 Dec 2020 12:20:07 +0300
Subject: [PATCH 108/450] Increase Android test app min sdk to 19

---
 README.md                                | 2 +-
 commonmark-android-test/README.md        | 1 +
 commonmark-android-test/app/build.gradle | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index d5fa98f4b..895be3108 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ full library with a nice API and the following features:
 
 The library is supported on Java 8 and Java 9. It should work on Java 7
 and Android too, but that is on a best-effort basis, please report
-problems. For Android the minimum API level is 15, see the
+problems. For Android the minimum API level is 19, see the
 [commonmark-android-test](commonmark-android-test) directory.
 
 Coordinates for core library (see all on [Maven Central]):
diff --git a/commonmark-android-test/README.md b/commonmark-android-test/README.md
index 458b7206b..ed0201725 100644
--- a/commonmark-android-test/README.md
+++ b/commonmark-android-test/README.md
@@ -2,6 +2,7 @@ commonmark-android-test
 =======================
 
 This module ensures that commonmark-java is supported on Android by running `lint` checks on library sources.
+Current `minSdk` is 19
 
 Requirements:
 
diff --git a/commonmark-android-test/app/build.gradle b/commonmark-android-test/app/build.gradle
index 86a7dd1e3..18d91c0e5 100644
--- a/commonmark-android-test/app/build.gradle
+++ b/commonmark-android-test/app/build.gradle
@@ -6,7 +6,7 @@ android {
 
     defaultConfig {
         applicationId "com.atlassian.commonmark.android.test"
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion 30
         versionCode 1
         versionName "1.0"

From ef99858ab35fe298a56d032144d4bc4b2c2e84b1 Mon Sep 17 00:00:00 2001
From: Dimitry Ivanov <di@noties.io>
Date: Mon, 28 Dec 2020 12:24:41 +0300
Subject: [PATCH 109/450] Update ci.yml to run on pull_request also

---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9b6d9c795..19ad24bb0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,7 +2,7 @@
 
 name: ci
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   build:

From 5b14e31becc91d478f19c7149af603c6f2673b01 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 14 Jan 2021 22:33:16 +1100
Subject: [PATCH 110/450] Change maven groupId and release process

---
 .github/workflows/release.yml            |  35 ++++++
 README.md                                |   4 +-
 commonmark-ext-autolink/pom.xml          |   6 +-
 commonmark-ext-gfm-strikethrough/pom.xml |   6 +-
 commonmark-ext-gfm-tables/pom.xml        |   6 +-
 commonmark-ext-heading-anchor/pom.xml    |   6 +-
 commonmark-ext-image-attributes/pom.xml  |   6 +-
 commonmark-ext-ins/pom.xml               |   6 +-
 commonmark-ext-task-list-items/pom.xml   |   6 +-
 commonmark-ext-yaml-front-matter/pom.xml |   6 +-
 commonmark-integration-test/pom.xml      |  20 ++--
 commonmark-test-util/pom.xml             |   2 +-
 commonmark/pom.xml                       |   4 +-
 pom.xml                                  | 142 ++++++++++++++++++-----
 14 files changed, 187 insertions(+), 68 deletions(-)
 create mode 100644 .github/workflows/release.yml

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 000000000..3d4c4f50f
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,35 @@
+# See:
+# https://docs.github.com/en/free-pro-team@latest/actions/guides/publishing-java-packages-with-maven
+# https://central.sonatype.org/pages/apache-maven.html
+# https://github.com/actions/setup-java
+
+name: release
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  release:
+    environment: release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Set up Maven Central repository
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+          server-id: ossrh
+          server-username: MAVEN_USERNAME # env variable to use for username in release
+          server-password: MAVEN_PASSWORD # env variable to use for password in release
+          gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
+          gpg-passphrase: MAVEN_GPG_PASSPHRASE # env variable to use for passphrase in release
+
+      - name: Release
+        run: mvn -B release:prepare release:perform
+        env:
+          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
diff --git a/README.md b/README.md
index 895be3108..d24fba10d 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ Coordinates for core library (see all on [Maven Central]):
 
 ```xml
 <dependency>
-    <groupId>com.atlassian.commonmark</groupId>
+    <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
     <version>0.16.1</version>
 </dependency>
@@ -231,7 +231,7 @@ First, add an additional dependency (see [Maven Central] for others):
 
 ```xml
 <dependency>
-    <groupId>com.atlassian.commonmark</groupId>
+    <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
     <version>0.16.1</version>
 </dependency>
diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index d6a19df40..80566ae55 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>com.atlassian.commonmark</groupId>
+        <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
         <version>0.16.2-SNAPSHOT</version>
     </parent>
@@ -17,7 +17,7 @@
 
     <dependencies>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark</artifactId>
         </dependency>
         <dependency>
@@ -27,7 +27,7 @@
         </dependency>
 
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-test-util</artifactId>
             <scope>test</scope>
         </dependency>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 80d01118f..0572ff34e 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>com.atlassian.commonmark</groupId>
+        <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
         <version>0.16.2-SNAPSHOT</version>
     </parent>
@@ -13,12 +13,12 @@
 
     <dependencies>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark</artifactId>
         </dependency>
 
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-test-util</artifactId>
             <scope>test</scope>
         </dependency>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index babf54640..b37856773 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>com.atlassian.commonmark</groupId>
+        <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
         <version>0.16.2-SNAPSHOT</version>
     </parent>
@@ -13,12 +13,12 @@
 
     <dependencies>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark</artifactId>
         </dependency>
 
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-test-util</artifactId>
             <scope>test</scope>
         </dependency>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 07b840e63..de3053966 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>com.atlassian.commonmark</groupId>
+        <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
         <version>0.16.2-SNAPSHOT</version>
     </parent>
@@ -13,12 +13,12 @@
 
     <dependencies>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark</artifactId>
         </dependency>
 
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-test-util</artifactId>
             <scope>test</scope>
         </dependency>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 166ea02b1..a16127a34 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>com.atlassian.commonmark</groupId>
+        <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
         <version>0.16.2-SNAPSHOT</version>
     </parent>
@@ -13,12 +13,12 @@
 
     <dependencies>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark</artifactId>
         </dependency>
 
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-test-util</artifactId>
             <scope>test</scope>
         </dependency>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 223837493..f33a77001 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>com.atlassian.commonmark</groupId>
+        <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
         <version>0.16.2-SNAPSHOT</version>
     </parent>
@@ -13,12 +13,12 @@
 
     <dependencies>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark</artifactId>
         </dependency>
 
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-test-util</artifactId>
             <scope>test</scope>
         </dependency>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 78829c1e0..62a5130ad 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>com.atlassian.commonmark</groupId>
+        <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
         <version>0.16.2-SNAPSHOT</version>
     </parent>
@@ -13,12 +13,12 @@
 
     <dependencies>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark</artifactId>
         </dependency>
 
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-test-util</artifactId>
             <scope>test</scope>
         </dependency>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 06c8ce933..ec58b941f 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>commonmark-parent</artifactId>
-        <groupId>com.atlassian.commonmark</groupId>
+        <groupId>org.commonmark</groupId>
         <version>0.16.2-SNAPSHOT</version>
     </parent>
 
@@ -13,12 +13,12 @@
 
     <dependencies>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark</artifactId>
         </dependency>
 
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-test-util</artifactId>
             <scope>test</scope>
         </dependency>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index aa43a6619..1296652af 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>com.atlassian.commonmark</groupId>
+        <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
         <version>0.16.2-SNAPSHOT</version>
     </parent>
@@ -13,35 +13,35 @@
 
     <dependencies>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-ext-autolink</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-ext-ins</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-ext-gfm-tables</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-ext-image-attributes</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-ext-task-list-items</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-ext-yaml-front-matter</artifactId>
         </dependency>
 
@@ -53,7 +53,7 @@
         </dependency>
 
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-test-util</artifactId>
             <scope>test</scope>
         </dependency>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index ff1459728..dd8ea6173 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>com.atlassian.commonmark</groupId>
+        <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
         <version>0.16.2-SNAPSHOT</version>
     </parent>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index ff5a74381..fab32886b 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
-        <groupId>com.atlassian.commonmark</groupId>
+        <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
         <version>0.16.2-SNAPSHOT</version>
     </parent>
@@ -13,7 +13,7 @@
 
     <dependencies>
         <dependency>
-            <groupId>com.atlassian.commonmark</groupId>
+            <groupId>org.commonmark</groupId>
             <artifactId>commonmark-test-util</artifactId>
             <scope>test</scope>
         </dependency>
diff --git a/pom.xml b/pom.xml
index 4907cedc5..b62834429 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,15 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <parent>
-        <groupId>com.atlassian.pom</groupId>
-        <artifactId>central-pom</artifactId>
-        <version>5.0.13</version>
-    </parent>
-
     <packaging>pom</packaging>
 
-    <groupId>com.atlassian.commonmark</groupId>
+    <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
     <version>0.16.2-SNAPSHOT</version>
     <name>commonmark-java parent</name>
@@ -17,7 +11,7 @@
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
         text.
     </description>
-    <url>https://github.com/atlassian/commonmark-java</url>
+    <url>https://github.com/commonmark/commonmark-java</url>
 
     <modules>
         <module>commonmark</module>
@@ -53,86 +47,114 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-jar-plugin</artifactId>
-                    <version>3.0.2</version>
+                    <version>3.2.0</version>
+                </plugin>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-install-plugin</artifactId>
+                    <version>3.0.0-M1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>
+                    <version>3.2.0</version>
                     <configuration>
                         <excludePackageNames>*.internal,*.internal.*</excludePackageNames>
                         <!-- The offline links make links from extensions to core work. -->
                         <detectOfflineLinks>false</detectOfflineLinks>
                         <offlineLinks>
                             <offlineLink>
-                                <url>http://static.javadoc.io/com.atlassian.commonmark/commonmark/${project.version}/</url>
+                                <url>http://static.javadoc.io/org.commonmark/commonmark/${project.version}/
+                                </url>
                                 <location>${commonmark.javadoc.location}</location>
                             </offlineLink>
                         </offlineLinks>
                     </configuration>
                 </plugin>
-                <plugin>
-                    <groupId>org.apache.maven.plugins</groupId>
-                    <artifactId>maven-release-plugin</artifactId>
-                </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
-		    <version>2.22.1</version>
+                    <version>2.22.1</version>
                 </plugin>
             </plugins>
         </pluginManagement>
+
+        <plugins>
+            <plugin>
+                <groupId>org.sonatype.plugins</groupId>
+                <artifactId>nexus-staging-maven-plugin</artifactId>
+                <version>1.6.8</version>
+                <extensions>true</extensions>
+                <configuration>
+                    <serverId>ossrh</serverId>
+                    <nexusUrl>https://oss.sonatype.org/</nexusUrl>
+                    <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-release-plugin</artifactId>
+                <version>3.0.0-M1</version>
+                <configuration>
+                    <autoVersionSubmodules>true</autoVersionSubmodules>
+                    <useReleaseProfile>false</useReleaseProfile>
+                    <releaseProfiles>release</releaseProfiles>
+                    <goals>deploy</goals>
+                </configuration>
+            </plugin>
+        </plugins>
     </build>
 
     <dependencyManagement>
         <dependencies>
             <!-- For dependencies between modules -->
             <dependency>
-                <groupId>com.atlassian.commonmark</groupId>
+                <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
                 <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <groupId>com.atlassian.commonmark</groupId>
+                <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
                 <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <groupId>com.atlassian.commonmark</groupId>
+                <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
                 <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <groupId>com.atlassian.commonmark</groupId>
+                <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
                 <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <groupId>com.atlassian.commonmark</groupId>
+                <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
                 <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <groupId>com.atlassian.commonmark</groupId>
+                <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
                 <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <groupId>com.atlassian.commonmark</groupId>
+                <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
                 <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <groupId>com.atlassian.commonmark</groupId>
+                <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
                 <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <groupId>com.atlassian.commonmark</groupId>
+                <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
                 <version>0.16.2-SNAPSHOT</version>
             </dependency>
             <dependency>
-                <groupId>com.atlassian.commonmark</groupId>
+                <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
                 <version>0.16.2-SNAPSHOT</version>
             </dependency>
@@ -157,6 +179,58 @@
     </dependencyManagement>
 
     <profiles>
+        <profile>
+            <id>release</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-source-plugin</artifactId>
+                        <version>3.2.1</version>
+                        <executions>
+                            <execution>
+                                <id>attach-sources</id>
+                                <goals>
+                                    <goal>jar-no-fork</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-javadoc-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>attach-javadocs</id>
+                                <goals>
+                                    <goal>jar</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>1.6</version>
+                        <executions>
+                            <execution>
+                                <id>sign-artifacts</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                                <configuration>
+                                    <gpgArguments>
+                                        <arg>--pinentry-mode</arg>
+                                        <arg>loopback</arg>
+                                    </gpgArguments>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
         <profile>
             <id>coverage</id>
             <build>
@@ -204,11 +278,21 @@
     </developers>
 
     <scm>
-        <connection>scm:git:git@github.com:atlassian/commonmark-java.git</connection>
-        <!-- Push URL is used for pushing commits and tag when doing a release on internal systems, see https://maven.apache.org/scm/git.html -->
-        <developerConnection>scm:git:[fetch=]git@github.com:atlassian/commonmark-java.git[push=]git@bitbucket.org:atlassian/commonmark-java.git</developerConnection>
-        <url>https://github.com/atlassian/commonmark-java</url>
+        <connection>scm:git:git@github.com:commonmark/commonmark-java.git</connection>
+        <developerConnection>scm:git:git@github.com:commonmark/commonmark-java.git</developerConnection>
+        <url>https://github.com/commonmark/commonmark-java</url>
         <tag>HEAD</tag>
     </scm>
 
+    <distributionManagement>
+        <snapshotRepository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+        <repository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+    </distributionManagement>
+
 </project>

From 97ee049766e30f04648e949584c3235607beacf7 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 14 Jan 2021 22:35:29 +1100
Subject: [PATCH 111/450] Bump version to 0.17.0-SNAPSHOT

mvn release:update-versions -DdevelopmentVersion=0.17.0-SNAPSHOT
---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 22 +++++++++++-----------
 12 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 80566ae55..ea4959c1d 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.2-SNAPSHOT</version>
+        <version>0.17.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 0572ff34e..b49c6d8d1 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.2-SNAPSHOT</version>
+        <version>0.17.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index b37856773..755c44fb4 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.2-SNAPSHOT</version>
+        <version>0.17.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index de3053966..2f5163f00 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.2-SNAPSHOT</version>
+        <version>0.17.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index a16127a34..977023861 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.2-SNAPSHOT</version>
+        <version>0.17.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index f33a77001..0f1ad4e6f 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.2-SNAPSHOT</version>
+        <version>0.17.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 62a5130ad..26dc79303 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.2-SNAPSHOT</version>
+        <version>0.17.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index ec58b941f..e95755f01 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.16.2-SNAPSHOT</version>
+        <version>0.17.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 1296652af..2cbc0b6db 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.2-SNAPSHOT</version>
+        <version>0.17.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index dd8ea6173..aa161c369 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.2-SNAPSHOT</version>
+        <version>0.17.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index fab32886b..1a1bd3c8a 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.16.2-SNAPSHOT</version>
+        <version>0.17.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index b62834429..64bee1b08 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.16.2-SNAPSHOT</version>
+    <version>0.17.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -111,52 +111,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.16.2-SNAPSHOT</version>
+                <version>0.17.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.16.2-SNAPSHOT</version>
+                <version>0.17.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.16.2-SNAPSHOT</version>
+                <version>0.17.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.16.2-SNAPSHOT</version>
+                <version>0.17.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.16.2-SNAPSHOT</version>
+                <version>0.17.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.16.2-SNAPSHOT</version>
+                <version>0.17.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.16.2-SNAPSHOT</version>
+                <version>0.17.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.16.2-SNAPSHOT</version>
+                <version>0.17.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.16.2-SNAPSHOT</version>
+                <version>0.17.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.16.2-SNAPSHOT</version>
+                <version>0.17.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From 0ae1fa4a4680da28f0ee7abcb194b70c622f89e8 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 14 Jan 2021 22:42:09 +1100
Subject: [PATCH 112/450] Don't change groupId in README yet

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d24fba10d..d86c6f7af 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ Coordinates for core library (see all on [Maven Central]):
 
 ```xml
 <dependency>
-    <groupId>org.commonmark</groupId>
+    <groupId>com.atlassian.commonmark</groupId>
     <artifactId>commonmark</artifactId>
     <version>0.16.1</version>
 </dependency>

From 05d5a0383408aa01f3766d4fcc2f9edb66a45a10 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 14 Jan 2021 22:42:18 +1100
Subject: [PATCH 113/450] Try workflow_dispatch for triggering release

---
 .github/workflows/release.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3d4c4f50f..0c1f09df6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,8 +6,7 @@
 name: release
 
 on:
-  release:
-    types: [created]
+  workflow_dispatch:
 
 jobs:
   release:

From b46cbf806662ee68ef49ae517a583162a2fbd059 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 14 Jan 2021 22:56:42 +1100
Subject: [PATCH 114/450] Add git user.name and user.email, rename environment

---
 .github/workflows/release.yml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0c1f09df6..231704bca 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   release:
-    environment: release
+    environment: maven_central
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
@@ -26,6 +26,11 @@ jobs:
           gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
           gpg-passphrase: MAVEN_GPG_PASSPHRASE # env variable to use for passphrase in release
 
+      - name: Set up Git user
+        run: |
+          git config --global user.name "${{ secrets.GIT_USER_NAME }}"
+          git config --global user.email "${{ secrets.GIT_USER_EMAIL }}"
+
       - name: Release
         run: mvn -B release:prepare release:perform
         env:

From 9635bc5f741060fed88fe5c7183c485dc05ede33 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 14 Jan 2021 23:00:51 +1100
Subject: [PATCH 115/450] Use "actions/checkout@v2" to be able to push (maybe)

---
 .github/workflows/release.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 231704bca..5a1cf615a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,6 +32,7 @@ jobs:
           git config --global user.email "${{ secrets.GIT_USER_EMAIL }}"
 
       - name: Release
+        uses: actions/checkout@v2
         run: mvn -B release:prepare release:perform
         env:
           MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}

From 9ff5ab49a03cf66c2e32525274c5def2d6bcece9 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 14 Jan 2021 23:12:48 +1100
Subject: [PATCH 116/450] Use personal access token for pushing

---
 .github/workflows/release.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5a1cf615a..4edf451c0 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,8 +32,9 @@ jobs:
           git config --global user.email "${{ secrets.GIT_USER_EMAIL }}"
 
       - name: Release
-        uses: actions/checkout@v2
-        run: mvn -B release:prepare release:perform
+        run: |
+          mvn -B -Dusername=${{ secrets.GH_USERNAME }} -Dpassword=${{ secrets.GH_ACCESS_TOKEN }} release:prepare
+          mvn -B release:perform
         env:
           MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}

From 4e7392d43217c73282795c7623baac776fbd848f Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 14 Jan 2021 23:18:24 +1100
Subject: [PATCH 117/450] Try with push over https instead of ssh in
 developerConnection

---
 pom.xml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pom.xml b/pom.xml
index 64bee1b08..d67127c76 100644
--- a/pom.xml
+++ b/pom.xml
@@ -278,8 +278,8 @@
     </developers>
 
     <scm>
-        <connection>scm:git:git@github.com:commonmark/commonmark-java.git</connection>
-        <developerConnection>scm:git:git@github.com:commonmark/commonmark-java.git</developerConnection>
+        <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
+        <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
         <tag>HEAD</tag>
     </scm>

From 6f5454f1f096777e39f369d18eb22f98478d76e9 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 14 Jan 2021 23:42:30 +1100
Subject: [PATCH 118/450] Fix maven-gpg-plugin erroring out on
 commonmark-integration-test module

---
 .../commonmark/integration/IntegrationTests.java | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 commonmark-integration-test/src/main/java/org/commonmark/integration/IntegrationTests.java

diff --git a/commonmark-integration-test/src/main/java/org/commonmark/integration/IntegrationTests.java b/commonmark-integration-test/src/main/java/org/commonmark/integration/IntegrationTests.java
new file mode 100644
index 000000000..48e1ee5ba
--- /dev/null
+++ b/commonmark-integration-test/src/main/java/org/commonmark/integration/IntegrationTests.java
@@ -0,0 +1,16 @@
+package org.commonmark.integration;
+
+// Prevent maven-gpg-plugin from failing with this error:
+//     The project artifact has not been assembled yet.
+//     Please do not invoke this goal before the lifecycle phase "package".
+//
+// Apparently it doesn't like a module that doesn't have any classes in main,
+// because that means no jar is generated.
+// And the javadoc plugin doesn't like if there's no classes with documentation,
+//
+
+/**
+ * Module with integration tests.
+ */
+public class IntegrationTests {
+}

From c0e12f4ecfaddba051767f1695a755b519a117f5 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Fri, 15 Jan 2021 00:34:54 +0000
Subject: [PATCH 119/450] [maven-release-plugin] prepare release
 commonmark-parent-0.17.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index ea4959c1d..624183eab 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0-SNAPSHOT</version>
+        <version>0.17.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index b49c6d8d1..3b8cf6d2e 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0-SNAPSHOT</version>
+        <version>0.17.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 755c44fb4..5dcc5c9fd 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0-SNAPSHOT</version>
+        <version>0.17.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 2f5163f00..0547977f7 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0-SNAPSHOT</version>
+        <version>0.17.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 977023861..dfa7789cf 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0-SNAPSHOT</version>
+        <version>0.17.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 0f1ad4e6f..dfede42ac 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0-SNAPSHOT</version>
+        <version>0.17.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 26dc79303..a20924f6d 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0-SNAPSHOT</version>
+        <version>0.17.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index e95755f01..6497bd7d3 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.17.0-SNAPSHOT</version>
+        <version>0.17.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 2cbc0b6db..a1b0865f9 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0-SNAPSHOT</version>
+        <version>0.17.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index aa161c369..af89eca67 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0-SNAPSHOT</version>
+        <version>0.17.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 1a1bd3c8a..6f21a5585 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0-SNAPSHOT</version>
+        <version>0.17.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index d67127c76..1dd2a58c3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.17.0-SNAPSHOT</version>
+    <version>0.17.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -111,52 +111,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.17.0-SNAPSHOT</version>
+                <version>0.17.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.17.0-SNAPSHOT</version>
+                <version>0.17.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.17.0-SNAPSHOT</version>
+                <version>0.17.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.17.0-SNAPSHOT</version>
+                <version>0.17.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.17.0-SNAPSHOT</version>
+                <version>0.17.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.17.0-SNAPSHOT</version>
+                <version>0.17.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.17.0-SNAPSHOT</version>
+                <version>0.17.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.17.0-SNAPSHOT</version>
+                <version>0.17.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.17.0-SNAPSHOT</version>
+                <version>0.17.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.17.0-SNAPSHOT</version>
+                <version>0.17.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -281,7 +281,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.17.0</tag>
     </scm>
 
     <distributionManagement>

From a0ba3b616e5c9b776125b563967ce50e2bbcc2b2 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Fri, 15 Jan 2021 00:35:01 +0000
Subject: [PATCH 120/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 624183eab..5999f772a 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0</version>
+        <version>0.17.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 3b8cf6d2e..37b887d1a 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0</version>
+        <version>0.17.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 5dcc5c9fd..64e495ba9 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0</version>
+        <version>0.17.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 0547977f7..75fd42107 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0</version>
+        <version>0.17.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index dfa7789cf..4f14bdba0 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0</version>
+        <version>0.17.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index dfede42ac..4acca48be 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0</version>
+        <version>0.17.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index a20924f6d..55efb4544 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0</version>
+        <version>0.17.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 6497bd7d3..b25a107ee 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.17.0</version>
+        <version>0.17.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index a1b0865f9..d6a0187eb 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0</version>
+        <version>0.17.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index af89eca67..73165e02b 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0</version>
+        <version>0.17.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 6f21a5585..264282513 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.0</version>
+        <version>0.17.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 1dd2a58c3..d6e8d80a6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.17.0</version>
+    <version>0.17.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -111,52 +111,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.17.0</version>
+                <version>0.17.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.17.0</version>
+                <version>0.17.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.17.0</version>
+                <version>0.17.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.17.0</version>
+                <version>0.17.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.17.0</version>
+                <version>0.17.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.17.0</version>
+                <version>0.17.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.17.0</version>
+                <version>0.17.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.17.0</version>
+                <version>0.17.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.17.0</version>
+                <version>0.17.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.17.0</version>
+                <version>0.17.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -281,7 +281,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.17.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From 90a6747c3a569c1cc40749b7769f9b342f0d693b Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 15 Jan 2021 14:47:17 +1100
Subject: [PATCH 121/450] CHANGELOG for 0.17.0, update documentation

---
 CHANGELOG.md                                  | 56 +++++++++++--------
 CONTRIBUTING.md                               | 29 ++--------
 README.md                                     | 18 +++---
 commonmark-android-test/app/build.gradle      |  2 +-
 .../app/src/main/AndroidManifest.xml          |  2 +-
 5 files changed, 49 insertions(+), 58 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0000368ba..ec4151810 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [0.17.0] - 2021-01-15
+### Changed
+- **ACTION REQUIRED**: Maven groupId has changed from `com.atlassian.commonmark` to `org.commonmark`
+  - To continue getting new versions of commonmark-java, change the Maven coordinates in your dependencies:
+  - Old: `<groupId>com.atlassian.commonmark</groupId>`
+  - New: `<groupId>org.commonmark</groupId>`
+
 ## [0.16.1] - 2020-12-11
 ### Added
 - Support for including source spans on block and inline nodes (#1):
@@ -307,27 +314,28 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
-[0.16.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.2...commonmark-parent-0.16.1
-[0.15.2]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.1...commonmark-parent-0.15.2
-[0.15.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.15.0...commonmark-parent-0.15.1
-[0.15.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.14.0...commonmark-parent-0.15.0
-[0.14.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.13.1...commonmark-parent-0.14.0
-[0.13.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.13.0...commonmark-parent-0.13.1
-[0.13.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.12.1...commonmark-parent-0.13.0
-[0.12.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.11.0...commonmark-parent-0.12.1
-[0.11.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.10.0...commonmark-parent-0.11.0
-[0.10.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.9.0...commonmark-parent-0.10.0
-[0.9.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.8.0...commonmark-parent-0.9.0
-[0.8.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.7.1...commonmark-parent-0.8.0
-[0.7.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.7.0...commonmark-parent-0.7.1
-[0.7.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.6.0...commonmark-parent-0.7.0
-[0.6.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.5.1...commonmark-parent-0.6.0
-[0.5.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.5.0...commonmark-parent-0.5.1
-[0.5.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.4.1...commonmark-parent-0.5.0
-[0.4.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.4.0...commonmark-parent-0.4.1
-[0.4.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.3.2...commonmark-parent-0.4.0
-[0.3.2]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.3.1...commonmark-parent-0.3.2
-[0.3.1]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.3.0...commonmark-parent-0.3.1
-[0.3.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.2.0...commonmark-parent-0.3.0
-[0.2.0]: https://github.com/atlassian/commonmark-java/compare/commonmark-parent-0.1.0...commonmark-parent-0.2.0
-[0.1.0]: https://github.com/atlassian/commonmark-java/commits/commonmark-parent-0.1.0
+[0.17.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.16.1...commonmark-parent-0.17.0
+[0.16.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.15.2...commonmark-parent-0.16.1
+[0.15.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.15.1...commonmark-parent-0.15.2
+[0.15.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.15.0...commonmark-parent-0.15.1
+[0.15.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.14.0...commonmark-parent-0.15.0
+[0.14.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.13.1...commonmark-parent-0.14.0
+[0.13.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.13.0...commonmark-parent-0.13.1
+[0.13.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.12.1...commonmark-parent-0.13.0
+[0.12.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.11.0...commonmark-parent-0.12.1
+[0.11.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.10.0...commonmark-parent-0.11.0
+[0.10.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.9.0...commonmark-parent-0.10.0
+[0.9.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.8.0...commonmark-parent-0.9.0
+[0.8.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.7.1...commonmark-parent-0.8.0
+[0.7.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.7.0...commonmark-parent-0.7.1
+[0.7.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.6.0...commonmark-parent-0.7.0
+[0.6.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.5.1...commonmark-parent-0.6.0
+[0.5.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.5.0...commonmark-parent-0.5.1
+[0.5.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.4.1...commonmark-parent-0.5.0
+[0.4.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.4.0...commonmark-parent-0.4.1
+[0.4.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.3.2...commonmark-parent-0.4.0
+[0.3.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.3.1...commonmark-parent-0.3.2
+[0.3.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.3.0...commonmark-parent-0.3.1
+[0.3.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.2.0...commonmark-parent-0.3.0
+[0.2.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.1.0...commonmark-parent-0.2.0
+[0.1.0]: https://github.com/commonmark/commonmark-java/commits/commonmark-parent-0.1.0
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 86c141127..6bb2f1640 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -16,32 +16,15 @@ existing issues with label "help wanted".
 For bigger changes, make sure you start a discussion first by creating
 an issue and explaining the intended change.
 
-The [sourcespy dashboard](https://sourcespy.com/github/atlassiancommonmarkjava/)
+The [sourcespy dashboard](https://sourcespy.com/github/commonmarkcommonmarkjava/)
 provides a high level overview of the repository including
-[class diagram](https://sourcespy.com/github/atlassiancommonmarkjava/xx-omodel-.html),
-[module dependencies](https://sourcespy.com/github/atlassiancommonmarkjava/xx-omodulesc-.html),
-[module hierarchy](https://sourcespy.com/github/atlassiancommonmarkjava/xx-omodules-.html),
-[external libraries](https://sourcespy.com/github/atlassiancommonmarkjava/xx-ojavalibs-.html),
+[class diagram](https://sourcespy.com/github/commonmarkcommonmarkjava/xx-omodel-.html),
+[module dependencies](https://sourcespy.com/github/commonmarkcommonmarkjava/xx-omodulesc-.html),
+[module hierarchy](https://sourcespy.com/github/commonmarkcommonmarkjava/xx-omodules-.html),
+[external libraries](https://sourcespy.com/github/commonmarkcommonmarkjava/xx-ojavalibs-.html),
 and other components of the system.
 
-CLA
----
-
-Atlassian requires contributors to sign a Contributor License Agreement,
-known as a CLA. This serves as a record stating that the contributor is
-entitled to contribute the code/documentation/translation to the project
-and is willing to have it used in distributions and derivative works
-(or is willing to transfer ownership).
-
-Prior to accepting your first contribution we ask that you please follow the
-appropriate link below to digitally sign the CLA. The Corporate CLA is for those
-who are contributing as a member of an organization and the individual CLA is
-for those contributing as an individual.
-
-https://opensource.atlassian.com/cla
-
 Releasing
 ---------
 
-Releases are done from an Atlassian internal build server:
-https://engservices-bamboo.internal.atlassian.com/browse/CM
+Releases are done from the "release" workflow on GitHub Actions.
diff --git a/README.md b/README.md
index d86c6f7af..d74c107cd 100644
--- a/README.md
+++ b/README.md
@@ -4,11 +4,11 @@ commonmark-java
 Java library for parsing and rendering [Markdown] text according to the
 [CommonMark] specification (and some extensions).
 
-[![Maven Central status](https://img.shields.io/maven-central/v/com.atlassian.commonmark/commonmark.svg)](https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22com.atlassian.commonmark%22)
-[![javadoc](https://www.javadoc.io/badge/com.atlassian.commonmark/commonmark.svg?color=blue)](https://www.javadoc.io/doc/com.atlassian.commonmark/commonmark)
-[![ci](https://github.com/atlassian/commonmark-java/workflows/ci/badge.svg)](https://github.com/atlassian/commonmark-java/actions?query=workflow%3Aci)
-[![codecov](https://codecov.io/gh/atlassian/commonmark-java/branch/master/graph/badge.svg)](https://codecov.io/gh/atlassian/commonmark-java)
-[![SourceSpy Dashboard](https://sourcespy.com/shield.svg)](https://sourcespy.com/github/atlassiancommonmarkjava/)
+[![Maven Central status](https://img.shields.io/maven-central/v/org.commonmark/commonmark.svg)](https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22org.commonmark%22)
+[![javadoc](https://www.javadoc.io/badge/org.commonmark/commonmark.svg?color=blue)](https://www.javadoc.io/doc/org.commonmark/commonmark)
+[![ci](https://github.com/commonmark/commonmark-java/workflows/ci/badge.svg)](https://github.com/commonmark/commonmark-java/actions?query=workflow%3Aci)
+[![codecov](https://codecov.io/gh/commonmark/commonmark-java/branch/master/graph/badge.svg)](https://codecov.io/gh/commonmark/commonmark-java)
+[![SourceSpy Dashboard](https://sourcespy.com/shield.svg)](https://sourcespy.com/github/commonmarkcommonmarkjava/)
 
 Introduction
 ------------
@@ -32,9 +32,9 @@ Coordinates for core library (see all on [Maven Central]):
 
 ```xml
 <dependency>
-    <groupId>com.atlassian.commonmark</groupId>
+    <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.16.1</version>
+    <version>0.17.0</version>
 </dependency>
 ```
 
@@ -215,7 +215,7 @@ report an issue.
 ### API documentation
 
 Javadocs are available online on
-[javadoc.io](https://www.javadoc.io/doc/com.atlassian.commonmark/commonmark).
+[javadoc.io](https://www.javadoc.io/doc/org.commonmark/commonmark).
 
 
 Extensions
@@ -390,7 +390,7 @@ BSD (2-clause) licensed, see LICENSE.txt file.
 [Markdown]: https://daringfireball.net/projects/markdown/
 [commonmark.js]: https://github.com/jgm/commonmark.js
 [CommonMark Dingus]: http://spec.commonmark.org/dingus/
-[Maven Central]: https://search.maven.org/#search|ga|1|g%3A%22com.atlassian.commonmark%22
+[Maven Central]: https://search.maven.org/#search|ga|1|g%3A%22org.commonmark%22
 [Semantic Versioning]: http://semver.org/
 [autolink-java]: https://github.com/robinst/autolink-java
 [gfm-tables]: https://help.github.com/articles/organizing-information-with-tables/
diff --git a/commonmark-android-test/app/build.gradle b/commonmark-android-test/app/build.gradle
index 18d91c0e5..1b39c87c8 100644
--- a/commonmark-android-test/app/build.gradle
+++ b/commonmark-android-test/app/build.gradle
@@ -5,7 +5,7 @@ android {
     buildToolsVersion "30.0.2"
 
     defaultConfig {
-        applicationId "com.atlassian.commonmark.android.test"
+        applicationId "org.commonmark.android.test"
         minSdkVersion 19
         targetSdkVersion 30
         versionCode 1
diff --git a/commonmark-android-test/app/src/main/AndroidManifest.xml b/commonmark-android-test/app/src/main/AndroidManifest.xml
index de2cd5725..0343d4fdc 100644
--- a/commonmark-android-test/app/src/main/AndroidManifest.xml
+++ b/commonmark-android-test/app/src/main/AndroidManifest.xml
@@ -1,3 +1,3 @@
-<manifest package="com.atlassian.commonmark.android.test">
+<manifest package="org.commonmark.android.test">
     <application />
 </manifest>

From bd18061644f1278113249060cc36cb664ae1f1e0 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 18 Jan 2021 15:58:52 +1100
Subject: [PATCH 122/450] Adjust main branch name and links

---
 README.md                                         | 2 +-
 commonmark-test-util/src/main/resources/README.md | 2 +-
 etc/update-spec.sh                                | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index d74c107cd..dd58bace0 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Java library for parsing and rendering [Markdown] text according to the
 [![Maven Central status](https://img.shields.io/maven-central/v/org.commonmark/commonmark.svg)](https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22org.commonmark%22)
 [![javadoc](https://www.javadoc.io/badge/org.commonmark/commonmark.svg?color=blue)](https://www.javadoc.io/doc/org.commonmark/commonmark)
 [![ci](https://github.com/commonmark/commonmark-java/workflows/ci/badge.svg)](https://github.com/commonmark/commonmark-java/actions?query=workflow%3Aci)
-[![codecov](https://codecov.io/gh/commonmark/commonmark-java/branch/master/graph/badge.svg)](https://codecov.io/gh/commonmark/commonmark-java)
+[![codecov](https://codecov.io/gh/commonmark/commonmark-java/branch/main/graph/badge.svg)](https://codecov.io/gh/commonmark/commonmark-java)
 [![SourceSpy Dashboard](https://sourcespy.com/shield.svg)](https://sourcespy.com/github/commonmarkcommonmarkjava/)
 
 Introduction
diff --git a/commonmark-test-util/src/main/resources/README.md b/commonmark-test-util/src/main/resources/README.md
index a749c59b5..f51e88358 100644
--- a/commonmark-test-util/src/main/resources/README.md
+++ b/commonmark-test-util/src/main/resources/README.md
@@ -1,6 +1,6 @@
 These files are copied from the CommonMark repositories, namely:
 
-https://github.com/commonmark/CommonMark/blob/master/spec.txt
+https://github.com/commonmark/commonmark-spec/blob/master/spec.txt
 https://github.com/commonmark/cmark/blob/master/test/regression.txt
 https://github.com/commonmark/commonmark.js/blob/master/test/regression.txt
 
diff --git a/etc/update-spec.sh b/etc/update-spec.sh
index c31613e5d..d4930438e 100755
--- a/etc/update-spec.sh
+++ b/etc/update-spec.sh
@@ -6,7 +6,7 @@ if [ "$#" -ne 1 ]; then
 fi
 
 version=$1
-curl -L "https://raw.githubusercontent.com/commonmark/CommonMark/$version/spec.txt" -o commonmark-test-util/src/main/resources/spec.txt
+curl -L "https://raw.githubusercontent.com/commonmark/commonmark-spec/$version/spec.txt" -o commonmark-test-util/src/main/resources/spec.txt
 curl -L "https://raw.githubusercontent.com/github/cmark-gfm/master/test/spec.txt" -o commonmark-ext-gfm-tables/src/test/resources/gfm-spec.txt
 
 echo "Check cmark and commonmark.js regression.txt:"

From 0e97c3d8ca67d48092aa7b6688336831596e7029 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 18 Jan 2021 16:02:23 +1100
Subject: [PATCH 123/450] Update some more links

---
 README.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index dd58bace0..8bace8329 100644
--- a/README.md
+++ b/README.md
@@ -386,11 +386,11 @@ Copyright (c) 2015-2019 Atlassian and others.
 
 BSD (2-clause) licensed, see LICENSE.txt file.
 
-[CommonMark]: http://commonmark.org/
+[CommonMark]: https://commonmark.org/
 [Markdown]: https://daringfireball.net/projects/markdown/
-[commonmark.js]: https://github.com/jgm/commonmark.js
-[CommonMark Dingus]: http://spec.commonmark.org/dingus/
+[commonmark.js]: https://github.com/commonmark/commonmark.js
+[CommonMark Dingus]: https://spec.commonmark.org/dingus/
 [Maven Central]: https://search.maven.org/#search|ga|1|g%3A%22org.commonmark%22
-[Semantic Versioning]: http://semver.org/
+[Semantic Versioning]: https://semver.org/
 [autolink-java]: https://github.com/robinst/autolink-java
 [gfm-tables]: https://help.github.com/articles/organizing-information-with-tables/

From 881be5370aaa4c200cabe00a88082075d941d6d6 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 18 Jan 2021 22:22:20 +1100
Subject: [PATCH 124/450] Fix Unicode handling in emphasis parsing (flanking
 rules)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Unicode characters before/after delimiters that use more than one UTF-16
code unit were not handled correctly.

This change fixes it by using code points instead of chars. It also
removes another unnecessary usage of regexes. Before:

    Benchmark                      Mode  Cnt    Score   Error  Units
    SpecBenchmark.parseExamples   thrpt  100  573.528 ± 3.119  ops/s

After:

    SpecBenchmark.parseExamples   thrpt  100  639.922 ± 2.627  ops/s
---
 CHANGELOG.md                                  |  8 ++++
 .../commonmark/internal/InlineParserImpl.java | 21 +++-------
 .../commonmark/internal/inline/Scanner.java   | 31 +++++++++++++-
 .../org/commonmark/internal/util/Parsing.java | 42 +++++++++++++++++++
 .../internal/inline/ScannerTest.java          | 29 +++++++++----
 .../commonmark/internal/util/ParsingTest.java | 23 ++++++++++
 .../org/commonmark/test/SpecialInputTest.java |  8 +++-
 7 files changed, 136 insertions(+), 26 deletions(-)
 create mode 100644 commonmark/src/test/java/org/commonmark/internal/util/ParsingTest.java

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ec4151810..98705140e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [Unreleased]
+### Fixed
+- Fix emphasis surrounded by non-BMP punctuation/whitespace characters
+  (characters that are longer than one UTF-16 "char"). Note that this is
+  an edge case with rarely used Unicode characters, which a lot of other
+  implementations don't handle correctly.
+
 ## [0.17.0] - 2021-01-15
 ### Changed
 - **ACTION REQUIRED**: Maven groupId has changed from `com.atlassian.commonmark` to `org.commonmark`
@@ -314,6 +321,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.0...HEAD
 [0.17.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.16.1...commonmark-parent-0.17.0
 [0.16.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.15.2...commonmark-parent-0.16.1
 [0.15.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.15.1...commonmark-parent-0.15.2
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 021fc9255..c90e61fb2 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -12,16 +12,9 @@
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.util.*;
-import java.util.regex.Pattern;
 
 public class InlineParserImpl implements InlineParser, InlineParserState {
 
-    private static final String ASCII_PUNCTUATION = "!\"#\\$%&'\\(\\)\\*\\+,\\-\\./:;<=>\\?@\\[\\\\\\]\\^_`\\{\\|\\}~";
-    private static final Pattern PUNCTUATION = Pattern
-            .compile("^[" + ASCII_PUNCTUATION + "\\p{Pc}\\p{Pd}\\p{Pe}\\p{Pf}\\p{Pi}\\p{Po}\\p{Ps}]");
-
-    private static final Pattern UNICODE_WHITESPACE_CHAR = Pattern.compile("^[\\p{Zs}\t\r\n\f]");
-
     private final BitSet specialCharacters;
     private final Map<Character, DelimiterProcessor> delimiterProcessors;
     private final InlineParserContext context;
@@ -511,7 +504,7 @@ private Node parseText() {
      * @return information about delimiter run, or {@code null}
      */
     private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char delimiterChar) {
-        char charBefore = scanner.peekPrevious();
+        int before = scanner.peekPreviousCodePoint();
         Position start = scanner.position();
 
         // Quick check to see if we have enough delimiters.
@@ -530,15 +523,13 @@ private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char
             positionBefore = scanner.position();
         }
 
-        char charAfter = scanner.peek();
-        String before = charBefore == Scanner.END ? "\n" : String.valueOf(charBefore);
-        String after = charAfter == Scanner.END ? "\n" : String.valueOf(charAfter);
+        int after = scanner.peekCodePoint();
 
         // We could be more lazy here, in most cases we don't need to do every match case.
-        boolean beforeIsPunctuation = PUNCTUATION.matcher(before).matches();
-        boolean beforeIsWhitespace = UNICODE_WHITESPACE_CHAR.matcher(before).matches();
-        boolean afterIsPunctuation = PUNCTUATION.matcher(after).matches();
-        boolean afterIsWhitespace = UNICODE_WHITESPACE_CHAR.matcher(after).matches();
+        boolean beforeIsPunctuation = before == Scanner.END || Parsing.isPunctuationCodePoint(before);
+        boolean beforeIsWhitespace = before == Scanner.END || Parsing.isWhitespaceCodePoint(before);
+        boolean afterIsPunctuation = after == Scanner.END || Parsing.isPunctuationCodePoint(after);
+        boolean afterIsWhitespace = after == Scanner.END || Parsing.isWhitespaceCodePoint(after);
 
         boolean leftFlanking = !afterIsWhitespace &&
                 (!afterIsPunctuation || beforeIsWhitespace || beforeIsPunctuation);
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
index 5533cb8ee..9de96a587 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
@@ -57,10 +57,37 @@ public char peek() {
         }
     }
 
-    public char peekPrevious() {
+    public int peekCodePoint() {
+        if (index < lineLength) {
+            char c = line.getContent().charAt(index);
+            if (Character.isHighSurrogate(c) && index + 1 < lineLength) {
+                char low = line.getContent().charAt(index + 1);
+                if (Character.isLowSurrogate(low)) {
+                    return Character.toCodePoint(c, low);
+                }
+            }
+            return c;
+        } else {
+            if (lineIndex < lines.size() - 1) {
+                return '\n';
+            } else {
+                // Don't return newline for end of last line
+                return END;
+            }
+        }
+    }
+
+    public int peekPreviousCodePoint() {
         if (index > 0) {
             int prev = index - 1;
-            return line.getContent().charAt(prev);
+            char c = line.getContent().charAt(prev);
+            if (Character.isLowSurrogate(c) && prev > 0) {
+                char high = line.getContent().charAt(prev - 1);
+                if (Character.isHighSurrogate(high)) {
+                    return Character.toCodePoint(high, c);
+                }
+            }
+            return c;
         } else {
             if (lineIndex > 0) {
                 return '\n';
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
index 7c44ea6fe..8b02e99b1 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
@@ -111,6 +111,48 @@ public static boolean isEscapable(char c) {
         return false;
     }
 
+    // See https://spec.commonmark.org/0.29/#punctuation-character
+    public static boolean isPunctuationCodePoint(int codePoint) {
+        switch (Character.getType(codePoint)) {
+            case Character.CONNECTOR_PUNCTUATION:
+            case Character.DASH_PUNCTUATION:
+            case Character.END_PUNCTUATION:
+            case Character.FINAL_QUOTE_PUNCTUATION:
+            case Character.INITIAL_QUOTE_PUNCTUATION:
+            case Character.OTHER_PUNCTUATION:
+            case Character.START_PUNCTUATION:
+                return true;
+            default:
+                switch (codePoint) {
+                    case '$':
+                    case '+':
+                    case '<':
+                    case '=':
+                    case '>':
+                    case '^':
+                    case '`':
+                    case '|':
+                    case '~':
+                        return true;
+                    default:
+                        return false;
+                }
+        }
+    }
+
+    public static boolean isWhitespaceCodePoint(int codePoint) {
+        switch (codePoint) {
+            case ' ':
+            case '\t':
+            case '\r':
+            case '\n':
+            case '\f':
+                return true;
+            default:
+                return Character.getType(codePoint) == Character.SPACE_SEPARATOR;
+        }
+    }
+
     /**
      * Prepares the input line replacing {@code \0}
      */
diff --git a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
index 68968d59a..030a765af 100644
--- a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
@@ -33,40 +33,55 @@ public void testMultipleLines() {
                 SourceLine.of("cde", null)),
                 0, 0);
         assertTrue(scanner.hasNext());
-        assertEquals('\0', scanner.peekPrevious());
+        assertEquals('\0', scanner.peekPreviousCodePoint());
         assertEquals('a', scanner.peek());
         scanner.next();
 
         assertTrue(scanner.hasNext());
-        assertEquals('a', scanner.peekPrevious());
+        assertEquals('a', scanner.peekPreviousCodePoint());
         assertEquals('b', scanner.peek());
         scanner.next();
 
         assertTrue(scanner.hasNext());
-        assertEquals('b', scanner.peekPrevious());
+        assertEquals('b', scanner.peekPreviousCodePoint());
         assertEquals('\n', scanner.peek());
         scanner.next();
 
         assertTrue(scanner.hasNext());
-        assertEquals('\n', scanner.peekPrevious());
+        assertEquals('\n', scanner.peekPreviousCodePoint());
         assertEquals('c', scanner.peek());
         scanner.next();
 
         assertTrue(scanner.hasNext());
-        assertEquals('c', scanner.peekPrevious());
+        assertEquals('c', scanner.peekPreviousCodePoint());
         assertEquals('d', scanner.peek());
         scanner.next();
 
         assertTrue(scanner.hasNext());
-        assertEquals('d', scanner.peekPrevious());
+        assertEquals('d', scanner.peekPreviousCodePoint());
         assertEquals('e', scanner.peek());
         scanner.next();
 
         assertFalse(scanner.hasNext());
-        assertEquals('e', scanner.peekPrevious());
+        assertEquals('e', scanner.peekPreviousCodePoint());
         assertEquals('\0', scanner.peek());
     }
 
+    @Test
+    public void testCodePoints() {
+        Scanner scanner = new Scanner(Arrays.asList(SourceLine.of("\uD83D\uDE0A", null)), 0, 0);
+
+        assertTrue(scanner.hasNext());
+        assertEquals('\0', scanner.peekPreviousCodePoint());
+        assertEquals(128522, scanner.peekCodePoint());
+        scanner.next();
+        // This jumps chars, not code points. So jump two here
+        scanner.next();
+
+        assertFalse(scanner.hasNext());
+        assertEquals(128522, scanner.peekPreviousCodePoint());
+        assertEquals('\0', scanner.peekCodePoint());
+    }
 
     @Test
     public void testTextBetween() {
diff --git a/commonmark/src/test/java/org/commonmark/internal/util/ParsingTest.java b/commonmark/src/test/java/org/commonmark/internal/util/ParsingTest.java
new file mode 100644
index 000000000..f51c8647b
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/internal/util/ParsingTest.java
@@ -0,0 +1,23 @@
+package org.commonmark.internal.util;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertTrue;
+
+public class ParsingTest {
+
+    @Test
+    public void isPunctuation() {
+        // From https://spec.commonmark.org/0.29/#ascii-punctuation-character
+        char[] chars = {
+                '!', '"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.', '/', // (U+0021–2F)
+                ':', ';', '<', '=', '>', '?', '@', // (U+003A–0040)
+                '[', '\\', ']', '^', '_', '`', // (U+005B–0060)
+                '{', '|', '}', '~' // (U+007B–007E)
+        };
+
+        for (char c : chars) {
+            assertTrue("Expected to be punctuation: " + c, Parsing.isPunctuationCodePoint(c));
+        }
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
index 2ed93c92d..002b146a9 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
@@ -176,7 +176,11 @@ public void trailingTabs() {
     }
 
     @Test
-    public void emph() {
-        assertRendering("*foo bar*\n", "<p><em>foo bar</em></p>\n");
+    public void unicodePunctuationEmphasis() {
+        // The character here is: U+12470 CUNEIFORM PUNCTUATION SIGN OLD ASSYRIAN WORD DIVIDER
+        // Which is in Unicode category "Po" and needs 2 code units in UTF-16. That means to implement
+        // it correctly, we need to check code points, not Java chars.
+        // Note that currently the reference implementation doesn't implement this correctly (resulting in no <em>).
+        assertRendering("foo\uD809\uDC70_(bar)_", "<p>foo\uD809\uDC70<em>(bar)</em></p>\n");
     }
 }

From dfebddc2a020725ed1930a8451f5f067873620df Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 3 Feb 2021 20:17:30 +1100
Subject: [PATCH 125/450] Fix tables with spaces before an initial `|`

This bug is present in 0.16.1 and 0.17.0 and was introduced with the
source span refactorings.

Fixes #199.
---
 CHANGELOG.md                                  |  3 +++
 .../gfm/tables/internal/TableBlockParser.java |  3 ++-
 .../commonmark/ext/gfm/tables/TablesTest.java | 20 ++++++++++++++++++-
 3 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98705140e..c75596e91 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,9 @@ with the exception that 0.x versions can break between minor versions.
   (characters that are longer than one UTF-16 "char"). Note that this is
   an edge case with rarely used Unicode characters, which a lot of other
   implementations don't handle correctly.
+- Fix tables where the row starts with spaces and then the first `|` -
+  rows that didn't have spaces before were not affected (#199). This bug
+  is present in 0.16.1 and 0.17.0.
 
 ## [0.17.0] - 2021-01-15
 ### Changed
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index df577e9f4..a8eedb7a6 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -121,7 +121,8 @@ private TableCell parseCell(SourceLine cell, int column, InlineParser inlinePars
 
     private static List<SourceLine> split(SourceLine line) {
         CharSequence row = line.getContent();
-        int cellStart = row.charAt(0) == '|' ? 1 : 0;
+        int nonSpace = Parsing.skipSpaceTab(row, 0, row.length());
+        int cellStart = row.charAt(nonSpace) == '|' ? nonSpace + 1 : nonSpace;
         List<SourceLine> cells = new ArrayList<>();
         StringBuilder sb = new StringBuilder();
         for (int i = cellStart; i < row.length(); i++) {
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index 20fa1f70e..2ec36cf16 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -158,6 +158,24 @@ public void oneHeadOneBody() {
                 "</table>\n");
     }
 
+    @Test
+    public void spaceBeforeSeparator() {
+        assertRendering("  |Abc|Def|\n  |---|---|\n  |1|2|", "<table>\n" +
+                "<thead>\n" +
+                "<tr>\n" +
+                "<th>Abc</th>\n" +
+                "<th>Def</th>\n" +
+                "</tr>\n" +
+                "</thead>\n" +
+                "<tbody>\n" +
+                "<tr>\n" +
+                "<td>1</td>\n" +
+                "<td>2</td>\n" +
+                "</tr>\n" +
+                "</tbody>\n" +
+                "</table>\n");
+    }
+
     @Test
     public void separatorMustNotHaveLessPartsThanHead() {
         assertRendering("Abc|Def|Ghi\n---|---\n1|2|3", "<p>Abc|Def|Ghi\n---|---\n1|2|3</p>\n");
@@ -688,7 +706,7 @@ public void sourceSpans() {
         assertEquals(Arrays.asList(SourceSpan.of(3, 0, 8)), bodyRow2.getSourceSpans());
         TableCell bodyRow2Cell1 = (TableCell) bodyRow2.getFirstChild();
         TableCell bodyRow2Cell2 = (TableCell) bodyRow2.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(3, 0, 2)), bodyRow2Cell1.getSourceSpans());
+        assertEquals(Arrays.asList(SourceSpan.of(3, 1, 1)), bodyRow2Cell1.getSourceSpans());
         assertEquals(Arrays.asList(SourceSpan.of(3, 1, 1)), bodyRow2Cell1.getFirstChild().getSourceSpans());
         assertEquals(Arrays.asList(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getSourceSpans());
         assertEquals(Arrays.asList(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getFirstChild().getSourceSpans());

From e272625d41a513cf1a5464c9a4ed57913f0e2ac0 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 3 Feb 2021 20:32:19 +1100
Subject: [PATCH 126/450] CHANGELOG for 0.17.1

---
 CHANGELOG.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c75596e91..c07bf665c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## [Unreleased]
+## [0.17.1] - 2021-02-03
 ### Fixed
 - Fix emphasis surrounded by non-BMP punctuation/whitespace characters
   (characters that are longer than one UTF-16 "char"). Note that this is
@@ -324,7 +324,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
-[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.0...HEAD
+[0.17.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.0...commonmark-parent-0.17.1
 [0.17.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.16.1...commonmark-parent-0.17.0
 [0.16.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.15.2...commonmark-parent-0.16.1
 [0.15.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.15.1...commonmark-parent-0.15.2

From d87ad13a9927181956f3f24c395bbffd200a2e84 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 3 Feb 2021 21:23:04 +1100
Subject: [PATCH 127/450] Increase staging timeout from 5 to 10 minutes

The last release timed out after 5 minutes. Maybe this helps.
---
 pom.xml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pom.xml b/pom.xml
index d6e8d80a6..4143ca714 100644
--- a/pom.xml
+++ b/pom.xml
@@ -89,6 +89,7 @@
                     <serverId>ossrh</serverId>
                     <nexusUrl>https://oss.sonatype.org/</nexusUrl>
                     <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                    <stagingProgressTimeoutMinutes>10</stagingProgressTimeoutMinutes>
                 </configuration>
             </plugin>
             <plugin>

From 4b26cd2bd0611c53b7c220e0c641610e560b3a1c Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Wed, 3 Feb 2021 23:47:01 +0000
Subject: [PATCH 128/450] [maven-release-plugin] prepare release
 commonmark-parent-0.17.1

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 5999f772a..e8aaf4a7c 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1-SNAPSHOT</version>
+        <version>0.17.1</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 37b887d1a..252aaaf9d 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1-SNAPSHOT</version>
+        <version>0.17.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 64e495ba9..10819f7d2 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1-SNAPSHOT</version>
+        <version>0.17.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 75fd42107..f81be6072 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1-SNAPSHOT</version>
+        <version>0.17.1</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 4f14bdba0..dcdeb36d6 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1-SNAPSHOT</version>
+        <version>0.17.1</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 4acca48be..2e0da39bb 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1-SNAPSHOT</version>
+        <version>0.17.1</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 55efb4544..e799e5fca 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1-SNAPSHOT</version>
+        <version>0.17.1</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index b25a107ee..242cb0abf 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.17.1-SNAPSHOT</version>
+        <version>0.17.1</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index d6a0187eb..87a21e20d 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1-SNAPSHOT</version>
+        <version>0.17.1</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 73165e02b..136303090 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1-SNAPSHOT</version>
+        <version>0.17.1</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 264282513..53ea84137 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1-SNAPSHOT</version>
+        <version>0.17.1</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 4143ca714..331358518 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.17.1-SNAPSHOT</version>
+    <version>0.17.1</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.17.1-SNAPSHOT</version>
+                <version>0.17.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.17.1-SNAPSHOT</version>
+                <version>0.17.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.17.1-SNAPSHOT</version>
+                <version>0.17.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.17.1-SNAPSHOT</version>
+                <version>0.17.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.17.1-SNAPSHOT</version>
+                <version>0.17.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.17.1-SNAPSHOT</version>
+                <version>0.17.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.17.1-SNAPSHOT</version>
+                <version>0.17.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.17.1-SNAPSHOT</version>
+                <version>0.17.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.17.1-SNAPSHOT</version>
+                <version>0.17.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.17.1-SNAPSHOT</version>
+                <version>0.17.1</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.17.1</tag>
     </scm>
 
     <distributionManagement>

From cd4ac30009ba51e5717a8747c696bdb1e6b1b411 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Wed, 3 Feb 2021 23:47:07 +0000
Subject: [PATCH 129/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index e8aaf4a7c..88460ec64 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1</version>
+        <version>0.17.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 252aaaf9d..62f2b7421 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1</version>
+        <version>0.17.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 10819f7d2..577482c8b 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1</version>
+        <version>0.17.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index f81be6072..6f92640e9 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1</version>
+        <version>0.17.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index dcdeb36d6..2dac9b179 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1</version>
+        <version>0.17.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 2e0da39bb..ac485f352 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1</version>
+        <version>0.17.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index e799e5fca..1eb458aa6 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1</version>
+        <version>0.17.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 242cb0abf..e8c3bfe04 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.17.1</version>
+        <version>0.17.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 87a21e20d..c19b103cc 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1</version>
+        <version>0.17.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 136303090..84e134614 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1</version>
+        <version>0.17.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 53ea84137..c568ca5c8 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.1</version>
+        <version>0.17.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 331358518..850647bdd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.17.1</version>
+    <version>0.17.2-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.17.1</version>
+                <version>0.17.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.17.1</version>
+                <version>0.17.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.17.1</version>
+                <version>0.17.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.17.1</version>
+                <version>0.17.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.17.1</version>
+                <version>0.17.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.17.1</version>
+                <version>0.17.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.17.1</version>
+                <version>0.17.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.17.1</version>
+                <version>0.17.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.17.1</version>
+                <version>0.17.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.17.1</version>
+                <version>0.17.2-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.17.1</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From bb5df203d6e0b84e7537d14043d8837011b18ae0 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 4 Feb 2021 11:08:13 +1100
Subject: [PATCH 130/450] Bump version in README

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 8bace8329..5fe88bcb2 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.17.0</version>
+    <version>0.17.1</version>
 </dependency>
 ```
 

From 68a8f67e16b6847af1390731e32bc9be767a57d7 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 13 May 2021 12:31:14 +1000
Subject: [PATCH 131/450] Pass original label to InlineParserContext, let it
 normalize it for lookup

This is useful for implementing a custom context that wants access to
the original label instead of lowercased and whitespace-collapsed.

Fixes #204.
---
 CHANGELOG.md                                  |  8 +++
 .../commonmark/internal/DocumentParser.java   |  8 +--
 .../internal/InlineParserContextImpl.java     |  4 +-
 .../commonmark/internal/InlineParserImpl.java |  3 +-
 .../internal/LinkReferenceDefinitions.java    | 27 +++++++++
 .../parser/InlineParserContext.java           |  2 +
 .../java/org/commonmark/parser/Parser.java    | 18 ++----
 .../test/InlineParserContextTest.java         | 59 +++++++++++++++++++
 8 files changed, 105 insertions(+), 24 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitions.java
 create mode 100644 commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c07bf665c..65cc40e61 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## Unreleased
+### Changed
+- Pass original instead of normalized label to `InlineParserContext` for lookup (#204).
+  This allows custom contexts to change the lookup logic and have access to the original
+  label content.
+  In case you have a custom implementation of `InlineParserContext`, you might need to adjust
+  it to do normalization.
+
 ## [0.17.1] - 2021-02-03
 ### Fixed
 - Fix emphasis surrounded by non-BMP punctuation/whitespace characters
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 179ad1140..ed8ae7412 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -68,7 +68,7 @@ public class DocumentParser implements ParserState {
     private final List<DelimiterProcessor> delimiterProcessors;
     private final IncludeSourceSpans includeSourceSpans;
     private final DocumentBlockParser documentBlockParser;
-    private final Map<String, LinkReferenceDefinition> definitions = new LinkedHashMap<>();
+    private final LinkReferenceDefinitions definitions = new LinkReferenceDefinitions();
 
     private final List<OpenBlockParser> openBlockParsers = new ArrayList<>();
     private final List<BlockParser> allBlockParsers = new ArrayList<>();
@@ -460,11 +460,7 @@ private void addDefinitionsFrom(ParagraphParser paragraphParser) {
             // Add nodes into document before paragraph.
             paragraphParser.getBlock().insertBefore(definition);
 
-            String label = definition.getLabel();
-            // spec: When there are multiple matching link reference definitions, the first is used
-            if (!definitions.containsKey(label)) {
-                definitions.put(label, definition);
-            }
+            definitions.add(definition);
         }
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
index bff085ad8..f485614d5 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
@@ -10,10 +10,10 @@
 public class InlineParserContextImpl implements InlineParserContext {
 
     private final List<DelimiterProcessor> delimiterProcessors;
-    private final Map<String, LinkReferenceDefinition> linkReferenceDefinitions;
+    private final LinkReferenceDefinitions linkReferenceDefinitions;
 
     public InlineParserContextImpl(List<DelimiterProcessor> delimiterProcessors,
-                                   Map<String, LinkReferenceDefinition> linkReferenceDefinitions) {
+                                   LinkReferenceDefinitions linkReferenceDefinitions) {
         this.delimiterProcessors = delimiterProcessors;
         this.linkReferenceDefinitions = linkReferenceDefinitions;
     }
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index c90e61fb2..c14b9e885 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -323,8 +323,7 @@ private Node parseCloseBracket() {
             }
 
             if (ref != null) {
-                String label = Escaping.normalizeLabelContent(ref);
-                LinkReferenceDefinition definition = context.getLinkReferenceDefinition(label);
+                LinkReferenceDefinition definition = context.getLinkReferenceDefinition(ref);
                 if (definition != null) {
                     dest = definition.getDestination();
                     title = definition.getTitle();
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitions.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitions.java
new file mode 100644
index 000000000..8fbdb982a
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitions.java
@@ -0,0 +1,27 @@
+package org.commonmark.internal;
+
+import org.commonmark.internal.util.Escaping;
+import org.commonmark.node.LinkReferenceDefinition;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+public class LinkReferenceDefinitions {
+
+    // LinkedHashMap for determinism and to preserve document order
+    private final Map<String, LinkReferenceDefinition> definitions = new LinkedHashMap<>();
+
+    public void add(LinkReferenceDefinition definition) {
+        String normalizedLabel = Escaping.normalizeLabelContent(definition.getLabel());
+
+        // spec: When there are multiple matching link reference definitions, the first is used
+        if (!definitions.containsKey(normalizedLabel)) {
+            definitions.put(normalizedLabel, definition);
+        }
+    }
+
+    public LinkReferenceDefinition get(String label) {
+        String normalizedLabel = Escaping.normalizeLabelContent(label);
+        return definitions.get(normalizedLabel);
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
index 467742e2c..dae96e2c8 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
@@ -17,6 +17,8 @@ public interface InlineParserContext {
 
     /**
      * Look up a {@link LinkReferenceDefinition} for a given label.
+     * <p>
+     * Note that the label is not normalized yet; implementations are responsible for normalizing before lookup.
      *
      * @param label the link label to look up
      * @return the definition if one exists, {@code null} otherwise
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index ae1f700b8..63cebb2eb 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -4,23 +4,14 @@
 import org.commonmark.internal.DocumentParser;
 import org.commonmark.internal.InlineParserContextImpl;
 import org.commonmark.internal.InlineParserImpl;
-import org.commonmark.node.Block;
-import org.commonmark.node.BlockQuote;
-import org.commonmark.node.FencedCodeBlock;
-import org.commonmark.node.Heading;
-import org.commonmark.node.HtmlBlock;
-import org.commonmark.node.IndentedCodeBlock;
-import org.commonmark.node.LinkReferenceDefinition;
-import org.commonmark.node.ListBlock;
-import org.commonmark.node.Node;
-import org.commonmark.node.ThematicBreak;
+import org.commonmark.internal.LinkReferenceDefinitions;
+import org.commonmark.node.*;
 import org.commonmark.parser.block.BlockParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.io.IOException;
 import java.io.Reader;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 import java.util.Set;
 
@@ -51,8 +42,7 @@ private Parser(Builder builder) {
 
         // Try to construct an inline parser. Invalid configuration might result in an exception, which we want to
         // detect as soon as possible.
-        this.inlineParserFactory.create(new InlineParserContextImpl(delimiterProcessors,
-                Collections.<String, LinkReferenceDefinition>emptyMap()));
+        this.inlineParserFactory.create(new InlineParserContextImpl(delimiterProcessors, new LinkReferenceDefinitions()));
     }
 
     /**
@@ -179,7 +169,7 @@ public Builder extensions(Iterable<? extends Extension> extensions) {
          * </pre>
          *
          * @param enabledBlockTypes A list of block nodes the parser will parse.
-         *                          If this list is empty, the parser will not recognize any CommonMark core features.
+         * If this list is empty, the parser will not recognize any CommonMark core features.
          * @return {@code this}
          */
         public Builder enabledBlockTypes(Set<Class<? extends Block>> enabledBlockTypes) {
diff --git a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
new file mode 100644
index 000000000..b7d083df3
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
@@ -0,0 +1,59 @@
+package org.commonmark.test;
+
+import org.commonmark.internal.InlineParserImpl;
+import org.commonmark.node.LinkReferenceDefinition;
+import org.commonmark.parser.InlineParser;
+import org.commonmark.parser.InlineParserContext;
+import org.commonmark.parser.InlineParserFactory;
+import org.commonmark.parser.Parser;
+import org.commonmark.parser.delimiter.DelimiterProcessor;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+
+public class InlineParserContextTest {
+
+    @Test
+    public void labelShouldBeOriginalNotNormalized() {
+        CapturingInlineParserFactory inlineParserFactory = new CapturingInlineParserFactory();
+
+        Parser parser = Parser.builder().inlineParserFactory(inlineParserFactory).build();
+        String input = "[link with special label][FooBarBaz]\n\n[foobarbaz]: /url";
+
+        String rendered = HtmlRenderer.builder().build().render(parser.parse(input));
+
+        // Lookup should pass original label to context
+        assertEquals(Collections.singletonList("FooBarBaz"), inlineParserFactory.lookups);
+
+        // Context should normalize label for finding reference
+        assertEquals("<p><a href=\"/url\">link with special label</a></p>\n", rendered);
+    }
+
+    static class CapturingInlineParserFactory implements InlineParserFactory {
+
+        private List<String> lookups = new ArrayList<>();
+
+        @Override
+        public InlineParser create(final InlineParserContext inlineParserContext) {
+            InlineParserContext wrappedContext = new InlineParserContext() {
+                @Override
+                public List<DelimiterProcessor> getCustomDelimiterProcessors() {
+                    return inlineParserContext.getCustomDelimiterProcessors();
+                }
+
+                @Override
+                public LinkReferenceDefinition getLinkReferenceDefinition(String label) {
+                    lookups.add(label);
+                    return inlineParserContext.getLinkReferenceDefinition(label);
+                }
+            };
+
+            return new InlineParserImpl(wrappedContext);
+        }
+    }
+}

From 7143c0d9b5e5eacacc4b6703ac85b4474acc8981 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 14 May 2021 23:23:02 +1000
Subject: [PATCH 132/450] CHANGELOG for 0.18.0

---
 CHANGELOG.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 65cc40e61..b12718a85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## Unreleased
+## [0.18.0] - 2021-05-14
 ### Changed
 - Pass original instead of normalized label to `InlineParserContext` for lookup (#204).
   This allows custom contexts to change the lookup logic and have access to the original
@@ -332,6 +332,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[0.18.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.1...commonmark-parent-0.18.0
 [0.17.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.0...commonmark-parent-0.17.1
 [0.17.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.16.1...commonmark-parent-0.17.0
 [0.16.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.15.2...commonmark-parent-0.16.1

From dc4b2239c8fd5136589f7a72f775b4861a46e788 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Fri, 14 May 2021 13:25:50 +0000
Subject: [PATCH 133/450] [maven-release-plugin] prepare release
 commonmark-parent-0.17.2

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 88460ec64..6eb3abad1 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2-SNAPSHOT</version>
+        <version>0.17.2</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 62f2b7421..cc176b061 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2-SNAPSHOT</version>
+        <version>0.17.2</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 577482c8b..b5e9d4ca5 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2-SNAPSHOT</version>
+        <version>0.17.2</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 6f92640e9..5d3e51c00 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2-SNAPSHOT</version>
+        <version>0.17.2</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 2dac9b179..61099a61b 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2-SNAPSHOT</version>
+        <version>0.17.2</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index ac485f352..331e3d744 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2-SNAPSHOT</version>
+        <version>0.17.2</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 1eb458aa6..eede4e904 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2-SNAPSHOT</version>
+        <version>0.17.2</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index e8c3bfe04..7e76d949a 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.17.2-SNAPSHOT</version>
+        <version>0.17.2</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index c19b103cc..0e66bf6eb 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2-SNAPSHOT</version>
+        <version>0.17.2</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 84e134614..eccefe1c6 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2-SNAPSHOT</version>
+        <version>0.17.2</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index c568ca5c8..159836116 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2-SNAPSHOT</version>
+        <version>0.17.2</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 850647bdd..2690a93c4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.17.2-SNAPSHOT</version>
+    <version>0.17.2</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.17.2-SNAPSHOT</version>
+                <version>0.17.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.17.2-SNAPSHOT</version>
+                <version>0.17.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.17.2-SNAPSHOT</version>
+                <version>0.17.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.17.2-SNAPSHOT</version>
+                <version>0.17.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.17.2-SNAPSHOT</version>
+                <version>0.17.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.17.2-SNAPSHOT</version>
+                <version>0.17.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.17.2-SNAPSHOT</version>
+                <version>0.17.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.17.2-SNAPSHOT</version>
+                <version>0.17.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.17.2-SNAPSHOT</version>
+                <version>0.17.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.17.2-SNAPSHOT</version>
+                <version>0.17.2</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.17.2</tag>
     </scm>
 
     <distributionManagement>

From 21ffb89e53ea6fbcdf5cd9e3ce19c362d56e2f0d Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Fri, 14 May 2021 13:25:56 +0000
Subject: [PATCH 134/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 6eb3abad1..6e37671d1 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2</version>
+        <version>0.17.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index cc176b061..632d6b658 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2</version>
+        <version>0.17.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index b5e9d4ca5..4b5972d14 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2</version>
+        <version>0.17.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 5d3e51c00..1efdf1a36 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2</version>
+        <version>0.17.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 61099a61b..7668cfa34 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2</version>
+        <version>0.17.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 331e3d744..20e5ea657 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2</version>
+        <version>0.17.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index eede4e904..9f0cb417d 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2</version>
+        <version>0.17.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 7e76d949a..699b7fc47 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.17.2</version>
+        <version>0.17.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 0e66bf6eb..9426113a6 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2</version>
+        <version>0.17.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index eccefe1c6..2f1786617 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2</version>
+        <version>0.17.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 159836116..ea3736c01 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.2</version>
+        <version>0.17.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 2690a93c4..6eb07e941 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.17.2</version>
+    <version>0.17.3-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.17.2</version>
+                <version>0.17.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.17.2</version>
+                <version>0.17.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.17.2</version>
+                <version>0.17.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.17.2</version>
+                <version>0.17.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.17.2</version>
+                <version>0.17.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.17.2</version>
+                <version>0.17.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.17.2</version>
+                <version>0.17.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.17.2</version>
+                <version>0.17.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.17.2</version>
+                <version>0.17.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.17.2</version>
+                <version>0.17.3-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.17.2</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From 4168cfc09c306f73364a38ae63fb0a08e6e7a75f Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 14 May 2021 23:36:54 +1000
Subject: [PATCH 135/450] Fix version

---
 CHANGELOG.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b12718a85..18a4adbdb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## [0.18.0] - 2021-05-14
+## [0.17.2] - 2021-05-14
 ### Changed
 - Pass original instead of normalized label to `InlineParserContext` for lookup (#204).
   This allows custom contexts to change the lookup logic and have access to the original
@@ -332,7 +332,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
-[0.18.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.1...commonmark-parent-0.18.0
+[0.17.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.1...commonmark-parent-0.17.2
 [0.17.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.0...commonmark-parent-0.17.1
 [0.17.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.16.1...commonmark-parent-0.17.0
 [0.16.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.15.2...commonmark-parent-0.16.1

From 2b4f0f7ae55da991b6ac9ad5874ad0f61c1583fc Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Fri, 14 May 2021 23:37:22 +1000
Subject: [PATCH 136/450] README: Bump version

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5fe88bcb2..d94bd0ee6 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.17.1</version>
+    <version>0.17.2</version>
 </dependency>
 ```
 

From 6a3af53c1ea0b4208094cec031734a8664e4b53c Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 28 Jun 2021 11:23:05 +1000
Subject: [PATCH 137/450] Update spec to 0.30

---
 .../src/main/resources/spec.txt               | 3234 +++++++++--------
 1 file changed, 1640 insertions(+), 1594 deletions(-)

diff --git a/commonmark-test-util/src/main/resources/spec.txt b/commonmark-test-util/src/main/resources/spec.txt
index 3913de442..e6f313757 100644
--- a/commonmark-test-util/src/main/resources/spec.txt
+++ b/commonmark-test-util/src/main/resources/spec.txt
@@ -1,8 +1,8 @@
 ---
 title: CommonMark Spec
 author: John MacFarlane
-version: 0.29
-date: '2019-04-06'
+version: 0.30
+date: '2021-06-19'
 license: '[CC-BY-SA 4.0](http://creativecommons.org/licenses/by-sa/4.0/)'
 ...
 
@@ -270,6 +270,16 @@ of representing the structural distinctions we need to make, and the
 choice of HTML for the tests makes it possible to run the tests against
 an implementation without writing an abstract syntax tree renderer.
 
+Note that not every feature of the HTML samples is mandated by
+the spec.  For example, the spec says what counts as a link
+destination, but it doesn't mandate that non-ASCII characters in
+the URL be percent-encoded.  To use the automatic tests,
+implementers will need to provide a renderer that conforms to
+the expectations of the spec examples (percent-encoding
+non-ASCII characters in URLs).  But a conforming implementation
+can use a different renderer and may choose not to
+percent-encode non-ASCII characters in URLs.
+
 This document is generated from a text file, `spec.txt`, written
 in Markdown with a small extension for the side-by-side tests.
 The script `tools/makespec.py` can be used to convert `spec.txt` into
@@ -294,37 +304,31 @@ of [characters] rather than bytes.  A conforming parser may be limited
 to a certain encoding.
 
 A [line](@) is a sequence of zero or more [characters]
-other than newline (`U+000A`) or carriage return (`U+000D`),
+other than line feed (`U+000A`) or carriage return (`U+000D`),
 followed by a [line ending] or by the end of file.
 
-A [line ending](@) is a newline (`U+000A`), a carriage return
-(`U+000D`) not followed by a newline, or a carriage return and a
-following newline.
+A [line ending](@) is a line feed (`U+000A`), a carriage return
+(`U+000D`) not followed by a line feed, or a carriage return and a
+following line feed.
 
 A line containing no characters, or a line containing only spaces
 (`U+0020`) or tabs (`U+0009`), is called a [blank line](@).
 
 The following definitions of character classes will be used in this spec:
 
-A [whitespace character](@) is a space
-(`U+0020`), tab (`U+0009`), newline (`U+000A`), line tabulation (`U+000B`),
-form feed (`U+000C`), or carriage return (`U+000D`).
-
-[Whitespace](@) is a sequence of one or more [whitespace
-characters].
-
 A [Unicode whitespace character](@) is
 any code point in the Unicode `Zs` general category, or a tab (`U+0009`),
-carriage return (`U+000D`), newline (`U+000A`), or form feed
-(`U+000C`).
+line feed (`U+000A`), form feed (`U+000C`), or carriage return (`U+000D`).
+
+[Unicode whitespace](@) is a sequence of one or more
+[Unicode whitespace characters].
 
-[Unicode whitespace](@) is a sequence of one
-or more [Unicode whitespace characters].
+A [tab](@) is `U+0009`.
 
 A [space](@) is `U+0020`.
 
-A [non-whitespace character](@) is any character
-that is not a [whitespace character].
+An [ASCII control character](@) is a character between `U+0000–1F` (both
+including) or `U+007F`.
 
 An [ASCII punctuation character](@)
 is `!`, `"`, `#`, `$`, `%`, `&`, `'`, `(`, `)`,
@@ -333,14 +337,14 @@ is `!`, `"`, `#`, `$`, `%`, `&`, `'`, `(`, `)`,
 `[`, `\`, `]`, `^`, `_`, `` ` `` (U+005B–0060), 
 `{`, `|`, `}`, or `~` (U+007B–007E).
 
-A [punctuation character](@) is an [ASCII
+A [Unicode punctuation character](@) is an [ASCII
 punctuation character] or anything in
 the general Unicode categories  `Pc`, `Pd`, `Pe`, `Pf`, `Pi`, `Po`, or `Ps`.
 
 ## Tabs
 
 Tabs in lines are not expanded to [spaces].  However,
-in contexts where whitespace helps to define block structure,
+in contexts where spaces help to define block structure,
 tabs behave as if they were replaced by spaces with a tab stop
 of 4 characters.
 
@@ -478,1575 +482,1916 @@ bar
 For security reasons, the Unicode character `U+0000` must be replaced
 with the REPLACEMENT CHARACTER (`U+FFFD`).
 
-# Blocks and inlines
-
-We can think of a document as a sequence of
-[blocks](@)---structural elements like paragraphs, block
-quotations, lists, headings, rules, and code blocks.  Some blocks (like
-block quotes and list items) contain other blocks; others (like
-headings and paragraphs) contain [inline](@) content---text,
-links, emphasized text, images, code spans, and so on.
 
-## Precedence
+## Backslash escapes
 
-Indicators of block structure always take precedence over indicators
-of inline structure.  So, for example, the following is a list with
-two items, not a list with one item containing a code span:
+Any ASCII punctuation character may be backslash-escaped:
 
 ```````````````````````````````` example
-- `one
-- two`
+\!\"\#\$\%\&\'\(\)\*\+\,\-\.\/\:\;\<\=\>\?\@\[\\\]\^\_\`\{\|\}\~
 .
-<ul>
-<li>`one</li>
-<li>two`</li>
-</ul>
+<p>!&quot;#$%&amp;'()*+,-./:;&lt;=&gt;?@[\]^_`{|}~</p>
 ````````````````````````````````
 
 
-This means that parsing can proceed in two steps:  first, the block
-structure of the document can be discerned; second, text lines inside
-paragraphs, headings, and other block constructs can be parsed for inline
-structure.  The second step requires information about link reference
-definitions that will be available only at the end of the first
-step.  Note that the first step requires processing lines in sequence,
-but the second can be parallelized, since the inline parsing of
-one block element does not affect the inline parsing of any other.
-
-## Container blocks and leaf blocks
-
-We can divide blocks into two types:
-[container blocks](@),
-which can contain other blocks, and [leaf blocks](@),
-which cannot.
-
-# Leaf blocks
+Backslashes before other characters are treated as literal
+backslashes:
 
-This section describes the different kinds of leaf block that make up a
-Markdown document.
+```````````````````````````````` example
+\→\A\a\ \3\φ\«
+.
+<p>\→\A\a\ \3\φ\«</p>
+````````````````````````````````
 
-## Thematic breaks
 
-A line consisting of 0-3 spaces of indentation, followed by a sequence
-of three or more matching `-`, `_`, or `*` characters, each followed
-optionally by any number of spaces or tabs, forms a
-[thematic break](@).
+Escaped characters are treated as regular characters and do
+not have their usual Markdown meanings:
 
 ```````````````````````````````` example
-***
----
-___
+\*not emphasized*
+\<br/> not a tag
+\[not a link](/foo)
+\`not code`
+1\. not a list
+\* not a list
+\# not a heading
+\[foo]: /url "not a reference"
+\&ouml; not a character entity
 .
-<hr />
-<hr />
-<hr />
+<p>*not emphasized*
+&lt;br/&gt; not a tag
+[not a link](/foo)
+`not code`
+1. not a list
+* not a list
+# not a heading
+[foo]: /url &quot;not a reference&quot;
+&amp;ouml; not a character entity</p>
 ````````````````````````````````
 
 
-Wrong characters:
+If a backslash is itself escaped, the following character is not:
 
 ```````````````````````````````` example
-+++
+\\*emphasis*
 .
-<p>+++</p>
+<p>\<em>emphasis</em></p>
 ````````````````````````````````
 
 
+A backslash at the end of the line is a [hard line break]:
+
 ```````````````````````````````` example
-===
+foo\
+bar
 .
-<p>===</p>
+<p>foo<br />
+bar</p>
 ````````````````````````````````
 
 
-Not enough characters:
+Backslash escapes do not work in code blocks, code spans, autolinks, or
+raw HTML:
 
 ```````````````````````````````` example
---
-**
-__
+`` \[\` ``
 .
-<p>--
-**
-__</p>
+<p><code>\[\`</code></p>
 ````````````````````````````````
 
 
-One to three spaces indent are allowed:
-
 ```````````````````````````````` example
- ***
-  ***
-   ***
+    \[\]
 .
-<hr />
-<hr />
-<hr />
+<pre><code>\[\]
+</code></pre>
 ````````````````````````````````
 
 
-Four spaces is too many:
-
 ```````````````````````````````` example
-    ***
+~~~
+\[\]
+~~~
 .
-<pre><code>***
+<pre><code>\[\]
 </code></pre>
 ````````````````````````````````
 
 
 ```````````````````````````````` example
-Foo
-    ***
+<http://example.com?find=\*>
 .
-<p>Foo
-***</p>
+<p><a href="http://example.com?find=%5C*">http://example.com?find=\*</a></p>
 ````````````````````````````````
 
 
-More than three characters may be used:
-
 ```````````````````````````````` example
-_____________________________________
+<a href="/bar\/)">
 .
-<hr />
+<a href="/bar\/)">
 ````````````````````````````````
 
 
-Spaces are allowed between the characters:
+But they work in all other contexts, including URLs and link titles,
+link references, and [info strings] in [fenced code blocks]:
 
 ```````````````````````````````` example
- - - -
+[foo](/bar\* "ti\*tle")
 .
-<hr />
+<p><a href="/bar*" title="ti*tle">foo</a></p>
 ````````````````````````````````
 
 
 ```````````````````````````````` example
- **  * ** * ** * **
+[foo]
+
+[foo]: /bar\* "ti\*tle"
 .
-<hr />
+<p><a href="/bar*" title="ti*tle">foo</a></p>
 ````````````````````````````````
 
 
 ```````````````````````````````` example
--     -      -      -
+``` foo\+bar
+foo
+```
 .
-<hr />
+<pre><code class="language-foo+bar">foo
+</code></pre>
 ````````````````````````````````
 
 
-Spaces are allowed at the end:
+## Entity and numeric character references
 
-```````````````````````````````` example
-- - - -    
-.
-<hr />
-````````````````````````````````
+Valid HTML entity references and numeric character references
+can be used in place of the corresponding Unicode character,
+with the following exceptions:
 
+- Entity and character references are not recognized in code
+  blocks and code spans.
 
-However, no other characters may occur in the line:
+- Entity and character references cannot stand in place of
+  special characters that define structural elements in
+  CommonMark.  For example, although `&#42;` can be used
+  in place of a literal `*` character, `&#42;` cannot replace
+  `*` in emphasis delimiters, bullet list markers, or thematic
+  breaks.
 
-```````````````````````````````` example
-_ _ _ _ a
+Conforming CommonMark parsers need not store information about
+whether a particular character was represented in the source
+using a Unicode character or an entity reference.
 
-a------
+[Entity references](@) consist of `&` + any of the valid
+HTML5 entity names + `;`. The
+document <https://html.spec.whatwg.org/entities.json>
+is used as an authoritative source for the valid entity
+references and their corresponding code points.
 
----a---
+```````````````````````````````` example
+&nbsp; &amp; &copy; &AElig; &Dcaron;
+&frac34; &HilbertSpace; &DifferentialD;
+&ClockwiseContourIntegral; &ngE;
 .
-<p>_ _ _ _ a</p>
-<p>a------</p>
-<p>---a---</p>
+<p>  &amp; © Æ Ď
+¾ ℋ ⅆ
+∲ ≧̸</p>
 ````````````````````````````````
 
 
-It is required that all of the [non-whitespace characters] be the same.
-So, this is not a thematic break:
+[Decimal numeric character
+references](@)
+consist of `&#` + a string of 1--7 arabic digits + `;`. A
+numeric character reference is parsed as the corresponding
+Unicode character. Invalid Unicode code points will be replaced by
+the REPLACEMENT CHARACTER (`U+FFFD`).  For security reasons,
+the code point `U+0000` will also be replaced by `U+FFFD`.
 
 ```````````````````````````````` example
- *-*
+&#35; &#1234; &#992; &#0;
 .
-<p><em>-</em></p>
+<p># Ӓ Ϡ �</p>
 ````````````````````````````````
 
 
-Thematic breaks do not need blank lines before or after:
+[Hexadecimal numeric character
+references](@) consist of `&#` +
+either `X` or `x` + a string of 1-6 hexadecimal digits + `;`.
+They too are parsed as the corresponding Unicode character (this
+time specified with a hexadecimal numeral instead of decimal).
 
 ```````````````````````````````` example
-- foo
-***
-- bar
+&#X22; &#XD06; &#xcab;
 .
-<ul>
-<li>foo</li>
-</ul>
-<hr />
-<ul>
-<li>bar</li>
-</ul>
+<p>&quot; ആ ಫ</p>
 ````````````````````````````````
 
 
-Thematic breaks can interrupt a paragraph:
+Here are some nonentities:
 
 ```````````````````````````````` example
-Foo
-***
-bar
+&nbsp &x; &#; &#x;
+&#87654321;
+&#abcdef0;
+&ThisIsNotDefined; &hi?;
 .
-<p>Foo</p>
-<hr />
-<p>bar</p>
+<p>&amp;nbsp &amp;x; &amp;#; &amp;#x;
+&amp;#87654321;
+&amp;#abcdef0;
+&amp;ThisIsNotDefined; &amp;hi?;</p>
 ````````````````````````````````
 
 
-If a line of dashes that meets the above conditions for being a
-thematic break could also be interpreted as the underline of a [setext
-heading], the interpretation as a
-[setext heading] takes precedence. Thus, for example,
-this is a setext heading, not a paragraph followed by a thematic break:
+Although HTML5 does accept some entity references
+without a trailing semicolon (such as `&copy`), these are not
+recognized here, because it makes the grammar too ambiguous:
 
 ```````````````````````````````` example
-Foo
----
-bar
+&copy
 .
-<h2>Foo</h2>
-<p>bar</p>
+<p>&amp;copy</p>
 ````````````````````````````````
 
 
-When both a thematic break and a list item are possible
-interpretations of a line, the thematic break takes precedence:
+Strings that are not on the list of HTML5 named entities are not
+recognized as entity references either:
 
 ```````````````````````````````` example
-* Foo
-* * *
-* Bar
+&MadeUpEntity;
 .
-<ul>
-<li>Foo</li>
-</ul>
-<hr />
-<ul>
-<li>Bar</li>
-</ul>
+<p>&amp;MadeUpEntity;</p>
 ````````````````````````````````
 
 
-If you want a thematic break in a list item, use a different bullet:
+Entity and numeric character references are recognized in any
+context besides code spans or code blocks, including
+URLs, [link titles], and [fenced code block][] [info strings]:
 
 ```````````````````````````````` example
-- Foo
-- * * *
+<a href="&ouml;&ouml;.html">
 .
-<ul>
-<li>Foo</li>
-<li>
-<hr />
-</li>
-</ul>
+<a href="&ouml;&ouml;.html">
 ````````````````````````````````
 
 
-## ATX headings
-
-An [ATX heading](@)
-consists of a string of characters, parsed as inline content, between an
-opening sequence of 1--6 unescaped `#` characters and an optional
-closing sequence of any number of unescaped `#` characters.
-The opening sequence of `#` characters must be followed by a
-[space] or by the end of line. The optional closing sequence of `#`s must be
-preceded by a [space] and may be followed by spaces only.  The opening
-`#` character may be indented 0-3 spaces.  The raw contents of the
-heading are stripped of leading and trailing spaces before being parsed
-as inline content.  The heading level is equal to the number of `#`
-characters in the opening sequence.
+```````````````````````````````` example
+[foo](/f&ouml;&ouml; "f&ouml;&ouml;")
+.
+<p><a href="/f%C3%B6%C3%B6" title="föö">foo</a></p>
+````````````````````````````````
 
-Simple headings:
 
 ```````````````````````````````` example
-# foo
-## foo
-### foo
-#### foo
-##### foo
-###### foo
+[foo]
+
+[foo]: /f&ouml;&ouml; "f&ouml;&ouml;"
 .
-<h1>foo</h1>
-<h2>foo</h2>
-<h3>foo</h3>
-<h4>foo</h4>
-<h5>foo</h5>
-<h6>foo</h6>
+<p><a href="/f%C3%B6%C3%B6" title="föö">foo</a></p>
 ````````````````````````````````
 
 
-More than six `#` characters is not a heading:
-
 ```````````````````````````````` example
-####### foo
+``` f&ouml;&ouml;
+foo
+```
 .
-<p>####### foo</p>
+<pre><code class="language-föö">foo
+</code></pre>
 ````````````````````````````````
 
 
-At least one space is required between the `#` characters and the
-heading's contents, unless the heading is empty.  Note that many
-implementations currently do not require the space.  However, the
-space was required by the
-[original ATX implementation](http://www.aaronsw.com/2002/atx/atx.py),
-and it helps prevent things like the following from being parsed as
-headings:
+Entity and numeric character references are treated as literal
+text in code spans and code blocks:
 
 ```````````````````````````````` example
-#5 bolt
+`f&ouml;&ouml;`
+.
+<p><code>f&amp;ouml;&amp;ouml;</code></p>
+````````````````````````````````
 
-#hashtag
+
+```````````````````````````````` example
+    f&ouml;f&ouml;
 .
-<p>#5 bolt</p>
-<p>#hashtag</p>
+<pre><code>f&amp;ouml;f&amp;ouml;
+</code></pre>
 ````````````````````````````````
 
 
-This is not a heading, because the first `#` is escaped:
+Entity and numeric character references cannot be used
+in place of symbols indicating structure in CommonMark
+documents.
 
 ```````````````````````````````` example
-\## foo
+&#42;foo&#42;
+*foo*
 .
-<p>## foo</p>
+<p>*foo*
+<em>foo</em></p>
 ````````````````````````````````
 
+```````````````````````````````` example
+&#42; foo
 
-Contents are parsed as inlines:
+* foo
+.
+<p>* foo</p>
+<ul>
+<li>foo</li>
+</ul>
+````````````````````````````````
 
 ```````````````````````````````` example
-# foo *bar* \*baz\*
+foo&#10;&#10;bar
 .
-<h1>foo <em>bar</em> *baz*</h1>
+<p>foo
+
+bar</p>
 ````````````````````````````````
 
+```````````````````````````````` example
+&#9;foo
+.
+<p>→foo</p>
+````````````````````````````````
 
-Leading and trailing [whitespace] is ignored in parsing inline content:
 
 ```````````````````````````````` example
-#                  foo                     
+[a](url &quot;tit&quot;)
 .
-<h1>foo</h1>
+<p>[a](url &quot;tit&quot;)</p>
 ````````````````````````````````
 
 
-One to three spaces indentation are allowed:
+
+# Blocks and inlines
+
+We can think of a document as a sequence of
+[blocks](@)---structural elements like paragraphs, block
+quotations, lists, headings, rules, and code blocks.  Some blocks (like
+block quotes and list items) contain other blocks; others (like
+headings and paragraphs) contain [inline](@) content---text,
+links, emphasized text, images, code spans, and so on.
+
+## Precedence
+
+Indicators of block structure always take precedence over indicators
+of inline structure.  So, for example, the following is a list with
+two items, not a list with one item containing a code span:
 
 ```````````````````````````````` example
- ### foo
-  ## foo
-   # foo
+- `one
+- two`
 .
-<h3>foo</h3>
-<h2>foo</h2>
-<h1>foo</h1>
+<ul>
+<li>`one</li>
+<li>two`</li>
+</ul>
 ````````````````````````````````
 
 
-Four spaces are too much:
+This means that parsing can proceed in two steps:  first, the block
+structure of the document can be discerned; second, text lines inside
+paragraphs, headings, and other block constructs can be parsed for inline
+structure.  The second step requires information about link reference
+definitions that will be available only at the end of the first
+step.  Note that the first step requires processing lines in sequence,
+but the second can be parallelized, since the inline parsing of
+one block element does not affect the inline parsing of any other.
+
+## Container blocks and leaf blocks
+
+We can divide blocks into two types:
+[container blocks](#container-blocks),
+which can contain other blocks, and [leaf blocks](#leaf-blocks),
+which cannot.
+
+# Leaf blocks
+
+This section describes the different kinds of leaf block that make up a
+Markdown document.
+
+## Thematic breaks
+
+A line consisting of optionally up to three spaces of indentation, followed by a
+sequence of three or more matching `-`, `_`, or `*` characters, each followed
+optionally by any number of spaces or tabs, forms a
+[thematic break](@).
 
 ```````````````````````````````` example
-    # foo
+***
+---
+___
 .
-<pre><code># foo
-</code></pre>
+<hr />
+<hr />
+<hr />
 ````````````````````````````````
 
 
+Wrong characters:
+
 ```````````````````````````````` example
-foo
-    # bar
++++
 .
-<p>foo
-# bar</p>
+<p>+++</p>
 ````````````````````````````````
 
 
-A closing sequence of `#` characters is optional:
-
 ```````````````````````````````` example
-## foo ##
-  ###   bar    ###
+===
 .
-<h2>foo</h2>
-<h3>bar</h3>
+<p>===</p>
 ````````````````````````````````
 
 
-It need not be the same length as the opening sequence:
+Not enough characters:
 
 ```````````````````````````````` example
-# foo ##################################
-##### foo ##
+--
+**
+__
 .
-<h1>foo</h1>
-<h5>foo</h5>
+<p>--
+**
+__</p>
 ````````````````````````````````
 
 
-Spaces are allowed after the closing sequence:
+Up to three spaces of indentation are allowed:
 
 ```````````````````````````````` example
-### foo ###     
+ ***
+  ***
+   ***
 .
-<h3>foo</h3>
+<hr />
+<hr />
+<hr />
 ````````````````````````````````
 
 
-A sequence of `#` characters with anything but [spaces] following it
-is not a closing sequence, but counts as part of the contents of the
-heading:
+Four spaces of indentation is too many:
 
 ```````````````````````````````` example
-### foo ### b
+    ***
 .
-<h3>foo ### b</h3>
+<pre><code>***
+</code></pre>
 ````````````````````````````````
 
 
-The closing sequence must be preceded by a space:
-
 ```````````````````````````````` example
-# foo#
+Foo
+    ***
 .
-<h1>foo#</h1>
+<p>Foo
+***</p>
 ````````````````````````````````
 
 
-Backslash-escaped `#` characters do not count as part
-of the closing sequence:
+More than three characters may be used:
 
 ```````````````````````````````` example
-### foo \###
-## foo #\##
-# foo \#
+_____________________________________
 .
-<h3>foo ###</h3>
-<h2>foo ###</h2>
-<h1>foo #</h1>
+<hr />
 ````````````````````````````````
 
 
-ATX headings need not be separated from surrounding content by blank
-lines, and they can interrupt paragraphs:
+Spaces and tabs are allowed between the characters:
 
 ```````````````````````````````` example
-****
-## foo
-****
+ - - -
 .
 <hr />
-<h2>foo</h2>
-<hr />
 ````````````````````````````````
 
 
 ```````````````````````````````` example
-Foo bar
-# baz
-Bar foo
+ **  * ** * ** * **
 .
-<p>Foo bar</p>
-<h1>baz</h1>
-<p>Bar foo</p>
+<hr />
 ````````````````````````````````
 
 
-ATX headings can be empty:
-
 ```````````````````````````````` example
-## 
-#
-### ###
+-     -      -      -
 .
-<h2></h2>
-<h1></h1>
-<h3></h3>
+<hr />
 ````````````````````````````````
 
 
-## Setext headings
-
-A [setext heading](@) consists of one or more
-lines of text, each containing at least one [non-whitespace
-character], with no more than 3 spaces indentation, followed by
-a [setext heading underline].  The lines of text must be such
-that, were they not followed by the setext heading underline,
-they would be interpreted as a paragraph:  they cannot be
-interpretable as a [code fence], [ATX heading][ATX headings],
-[block quote][block quotes], [thematic break][thematic breaks],
-[list item][list items], or [HTML block][HTML blocks].
-
-A [setext heading underline](@) is a sequence of
-`=` characters or a sequence of `-` characters, with no more than 3
-spaces indentation and any number of trailing spaces.  If a line
-containing a single `-` can be interpreted as an
-empty [list items], it should be interpreted this way
-and not as a [setext heading underline].
+Spaces and tabs are allowed at the end:
 
-The heading is a level 1 heading if `=` characters are used in
-the [setext heading underline], and a level 2 heading if `-`
-characters are used.  The contents of the heading are the result
-of parsing the preceding lines of text as CommonMark inline
-content.
+```````````````````````````````` example
+- - - -    
+.
+<hr />
+````````````````````````````````
 
-In general, a setext heading need not be preceded or followed by a
-blank line.  However, it cannot interrupt a paragraph, so when a
-setext heading comes after a paragraph, a blank line is needed between
-them.
 
-Simple examples:
+However, no other characters may occur in the line:
 
 ```````````````````````````````` example
-Foo *bar*
-=========
+_ _ _ _ a
 
-Foo *bar*
----------
+a------
+
+---a---
 .
-<h1>Foo <em>bar</em></h1>
-<h2>Foo <em>bar</em></h2>
+<p>_ _ _ _ a</p>
+<p>a------</p>
+<p>---a---</p>
 ````````````````````````````````
 
 
-The content of the header may span more than one line:
+It is required that all of the characters other than spaces or tabs be the same.
+So, this is not a thematic break:
 
 ```````````````````````````````` example
-Foo *bar
-baz*
-====
+ *-*
 .
-<h1>Foo <em>bar
-baz</em></h1>
+<p><em>-</em></p>
 ````````````````````````````````
 
-The contents are the result of parsing the headings's raw
-content as inlines.  The heading's raw content is formed by
-concatenating the lines and removing initial and final
-[whitespace].
+
+Thematic breaks do not need blank lines before or after:
 
 ```````````````````````````````` example
-  Foo *bar
-baz*→
-====
+- foo
+***
+- bar
 .
-<h1>Foo <em>bar
-baz</em></h1>
+<ul>
+<li>foo</li>
+</ul>
+<hr />
+<ul>
+<li>bar</li>
+</ul>
 ````````````````````````````````
 
 
-The underlining can be any length:
+Thematic breaks can interrupt a paragraph:
 
 ```````````````````````````````` example
 Foo
--------------------------
-
-Foo
-=
+***
+bar
 .
-<h2>Foo</h2>
-<h1>Foo</h1>
+<p>Foo</p>
+<hr />
+<p>bar</p>
 ````````````````````````````````
 
 
-The heading content can be indented up to three spaces, and need
-not line up with the underlining:
+If a line of dashes that meets the above conditions for being a
+thematic break could also be interpreted as the underline of a [setext
+heading], the interpretation as a
+[setext heading] takes precedence. Thus, for example,
+this is a setext heading, not a paragraph followed by a thematic break:
 
 ```````````````````````````````` example
-   Foo
+Foo
 ---
-
-  Foo
------
-
-  Foo
-  ===
+bar
 .
 <h2>Foo</h2>
-<h2>Foo</h2>
-<h1>Foo</h1>
+<p>bar</p>
 ````````````````````````````````
 
 
-Four spaces indent is too much:
+When both a thematic break and a list item are possible
+interpretations of a line, the thematic break takes precedence:
 
 ```````````````````````````````` example
-    Foo
-    ---
-
-    Foo
----
+* Foo
+* * *
+* Bar
 .
-<pre><code>Foo
----
+<ul>
+<li>Foo</li>
+</ul>
+<hr />
+<ul>
+<li>Bar</li>
+</ul>
+````````````````````````````````
 
-Foo
-</code></pre>
+
+If you want a thematic break in a list item, use a different bullet:
+
+```````````````````````````````` example
+- Foo
+- * * *
+.
+<ul>
+<li>Foo</li>
+<li>
 <hr />
+</li>
+</ul>
 ````````````````````````````````
 
 
-The setext heading underline can be indented up to three spaces, and
-may have trailing spaces:
+## ATX headings
+
+An [ATX heading](@)
+consists of a string of characters, parsed as inline content, between an
+opening sequence of 1--6 unescaped `#` characters and an optional
+closing sequence of any number of unescaped `#` characters.
+The opening sequence of `#` characters must be followed by spaces or tabs, or
+by the end of line. The optional closing sequence of `#`s must be preceded by
+spaces or tabs and may be followed by spaces or tabs only.  The opening
+`#` character may be preceded by up to three spaces of indentation.  The raw
+contents of the heading are stripped of leading and trailing space or tabs
+before being parsed as inline content.  The heading level is equal to the number
+of `#` characters in the opening sequence.
+
+Simple headings:
 
 ```````````````````````````````` example
-Foo
-   ----      
+# foo
+## foo
+### foo
+#### foo
+##### foo
+###### foo
 .
-<h2>Foo</h2>
+<h1>foo</h1>
+<h2>foo</h2>
+<h3>foo</h3>
+<h4>foo</h4>
+<h5>foo</h5>
+<h6>foo</h6>
 ````````````````````````````````
 
 
-Four spaces is too much:
+More than six `#` characters is not a heading:
 
 ```````````````````````````````` example
-Foo
-    ---
+####### foo
 .
-<p>Foo
----</p>
+<p>####### foo</p>
 ````````````````````````````````
 
 
-The setext heading underline cannot contain internal spaces:
+At least one space or tab is required between the `#` characters and the
+heading's contents, unless the heading is empty.  Note that many
+implementations currently do not require the space.  However, the
+space was required by the
+[original ATX implementation](http://www.aaronsw.com/2002/atx/atx.py),
+and it helps prevent things like the following from being parsed as
+headings:
 
 ```````````````````````````````` example
-Foo
-= =
+#5 bolt
 
-Foo
---- -
+#hashtag
 .
-<p>Foo
-= =</p>
-<p>Foo</p>
-<hr />
+<p>#5 bolt</p>
+<p>#hashtag</p>
 ````````````````````````````````
 
 
-Trailing spaces in the content line do not cause a line break:
+This is not a heading, because the first `#` is escaped:
 
 ```````````````````````````````` example
-Foo  
------
+\## foo
 .
-<h2>Foo</h2>
+<p>## foo</p>
 ````````````````````````````````
 
 
-Nor does a backslash at the end:
+Contents are parsed as inlines:
 
 ```````````````````````````````` example
-Foo\
-----
+# foo *bar* \*baz\*
 .
-<h2>Foo\</h2>
+<h1>foo <em>bar</em> *baz*</h1>
 ````````````````````````````````
 
 
-Since indicators of block structure take precedence over
-indicators of inline structure, the following are setext headings:
+Leading and trailing spaces or tabs are ignored in parsing inline content:
 
 ```````````````````````````````` example
-`Foo
-----
-`
-
-<a title="a lot
----
-of dashes"/>
+#                  foo                     
 .
-<h2>`Foo</h2>
-<p>`</p>
-<h2>&lt;a title=&quot;a lot</h2>
-<p>of dashes&quot;/&gt;</p>
+<h1>foo</h1>
 ````````````````````````````````
 
 
-The setext heading underline cannot be a [lazy continuation
-line] in a list item or block quote:
+Up to three spaces of indentation are allowed:
 
 ```````````````````````````````` example
-> Foo
----
+ ### foo
+  ## foo
+   # foo
 .
-<blockquote>
-<p>Foo</p>
-</blockquote>
-<hr />
+<h3>foo</h3>
+<h2>foo</h2>
+<h1>foo</h1>
 ````````````````````````````````
 
 
+Four spaces of indentation is too many:
+
 ```````````````````````````````` example
-> foo
-bar
-===
+    # foo
 .
-<blockquote>
-<p>foo
-bar
-===</p>
-</blockquote>
+<pre><code># foo
+</code></pre>
 ````````````````````````````````
 
 
 ```````````````````````````````` example
-- Foo
----
+foo
+    # bar
 .
-<ul>
-<li>Foo</li>
-</ul>
-<hr />
+<p>foo
+# bar</p>
 ````````````````````````````````
 
 
-A blank line is needed between a paragraph and a following
-setext heading, since otherwise the paragraph becomes part
-of the heading's content:
+A closing sequence of `#` characters is optional:
 
 ```````````````````````````````` example
-Foo
-Bar
----
+## foo ##
+  ###   bar    ###
 .
-<h2>Foo
-Bar</h2>
+<h2>foo</h2>
+<h3>bar</h3>
 ````````````````````````````````
 
 
-But in general a blank line is not required before or after
-setext headings:
+It need not be the same length as the opening sequence:
 
 ```````````````````````````````` example
----
-Foo
----
-Bar
----
-Baz
+# foo ##################################
+##### foo ##
 .
-<hr />
-<h2>Foo</h2>
-<h2>Bar</h2>
-<p>Baz</p>
+<h1>foo</h1>
+<h5>foo</h5>
 ````````````````````````````````
 
 
-Setext headings cannot be empty:
+Spaces or tabs are allowed after the closing sequence:
 
 ```````````````````````````````` example
+### foo ###     
+.
+<h3>foo</h3>
+````````````````````````````````
 
-====
+
+A sequence of `#` characters with anything but spaces or tabs following it
+is not a closing sequence, but counts as part of the contents of the
+heading:
+
+```````````````````````````````` example
+### foo ### b
 .
-<p>====</p>
+<h3>foo ### b</h3>
 ````````````````````````````````
 
 
-Setext heading text lines must not be interpretable as block
-constructs other than paragraphs.  So, the line of dashes
-in these examples gets interpreted as a thematic break:
+The closing sequence must be preceded by a space or tab:
 
 ```````````````````````````````` example
----
----
+# foo#
 .
-<hr />
-<hr />
+<h1>foo#</h1>
 ````````````````````````````````
 
 
+Backslash-escaped `#` characters do not count as part
+of the closing sequence:
+
 ```````````````````````````````` example
-- foo
------
+### foo \###
+## foo #\##
+# foo \#
 .
-<ul>
-<li>foo</li>
-</ul>
-<hr />
+<h3>foo ###</h3>
+<h2>foo ###</h2>
+<h1>foo #</h1>
 ````````````````````````````````
 
 
+ATX headings need not be separated from surrounding content by blank
+lines, and they can interrupt paragraphs:
+
 ```````````````````````````````` example
-    foo
----
+****
+## foo
+****
 .
-<pre><code>foo
-</code></pre>
+<hr />
+<h2>foo</h2>
 <hr />
 ````````````````````````````````
 
 
 ```````````````````````````````` example
-> foo
------
+Foo bar
+# baz
+Bar foo
 .
-<blockquote>
-<p>foo</p>
-</blockquote>
-<hr />
+<p>Foo bar</p>
+<h1>baz</h1>
+<p>Bar foo</p>
 ````````````````````````````````
 
 
-If you want a heading with `> foo` as its literal text, you can
-use backslash escapes:
+ATX headings can be empty:
 
 ```````````````````````````````` example
-\> foo
-------
+## 
+#
+### ###
 .
-<h2>&gt; foo</h2>
+<h2></h2>
+<h1></h1>
+<h3></h3>
 ````````````````````````````````
 
 
-**Compatibility note:**  Most existing Markdown implementations
-do not allow the text of setext headings to span multiple lines.
-But there is no consensus about how to interpret
+## Setext headings
 
-``` markdown
-Foo
-bar
----
-baz
-```
+A [setext heading](@) consists of one or more
+lines of text, not interrupted by a blank line, of which the first line does not
+have more than 3 spaces of indentation, followed by
+a [setext heading underline].  The lines of text must be such
+that, were they not followed by the setext heading underline,
+they would be interpreted as a paragraph:  they cannot be
+interpretable as a [code fence], [ATX heading][ATX headings],
+[block quote][block quotes], [thematic break][thematic breaks],
+[list item][list items], or [HTML block][HTML blocks].
 
-One can find four different interpretations:
+A [setext heading underline](@) is a sequence of
+`=` characters or a sequence of `-` characters, with no more than 3
+spaces of indentation and any number of trailing spaces or tabs.  If a line
+containing a single `-` can be interpreted as an
+empty [list items], it should be interpreted this way
+and not as a [setext heading underline].
 
-1. paragraph "Foo", heading "bar", paragraph "baz"
-2. paragraph "Foo bar", thematic break, paragraph "baz"
-3. paragraph "Foo bar --- baz"
-4. heading "Foo bar", paragraph "baz"
+The heading is a level 1 heading if `=` characters are used in
+the [setext heading underline], and a level 2 heading if `-`
+characters are used.  The contents of the heading are the result
+of parsing the preceding lines of text as CommonMark inline
+content.
 
-We find interpretation 4 most natural, and interpretation 4
-increases the expressive power of CommonMark, by allowing
-multiline headings.  Authors who want interpretation 1 can
-put a blank line after the first paragraph:
+In general, a setext heading need not be preceded or followed by a
+blank line.  However, it cannot interrupt a paragraph, so when a
+setext heading comes after a paragraph, a blank line is needed between
+them.
+
+Simple examples:
 
 ```````````````````````````````` example
-Foo
+Foo *bar*
+=========
 
-bar
----
-baz
+Foo *bar*
+---------
 .
-<p>Foo</p>
-<h2>bar</h2>
-<p>baz</p>
+<h1>Foo <em>bar</em></h1>
+<h2>Foo <em>bar</em></h2>
 ````````````````````````````````
 
 
-Authors who want interpretation 2 can put blank lines around
-the thematic break,
+The content of the header may span more than one line:
 
 ```````````````````````````````` example
-Foo
-bar
+Foo *bar
+baz*
+====
+.
+<h1>Foo <em>bar
+baz</em></h1>
+````````````````````````````````
 
----
+The contents are the result of parsing the headings's raw
+content as inlines.  The heading's raw content is formed by
+concatenating the lines and removing initial and final
+spaces or tabs.
 
-baz
+```````````````````````````````` example
+  Foo *bar
+baz*→
+====
 .
-<p>Foo
-bar</p>
-<hr />
-<p>baz</p>
+<h1>Foo <em>bar
+baz</em></h1>
 ````````````````````````````````
 
 
-or use a thematic break that cannot count as a [setext heading
-underline], such as
+The underlining can be any length:
 
 ```````````````````````````````` example
 Foo
-bar
-* * *
-baz
+-------------------------
+
+Foo
+=
 .
-<p>Foo
-bar</p>
-<hr />
-<p>baz</p>
+<h2>Foo</h2>
+<h1>Foo</h1>
 ````````````````````````````````
 
 
-Authors who want interpretation 3 can use backslash escapes:
+The heading content can be preceded by up to three spaces of indentation, and
+need not line up with the underlining:
 
 ```````````````````````````````` example
-Foo
-bar
-\---
-baz
-.
-<p>Foo
-bar
+   Foo
 ---
-baz</p>
-````````````````````````````````
 
+  Foo
+-----
 
-## Indented code blocks
+  Foo
+  ===
+.
+<h2>Foo</h2>
+<h2>Foo</h2>
+<h1>Foo</h1>
+````````````````````````````````
 
-An [indented code block](@) is composed of one or more
-[indented chunks] separated by blank lines.
-An [indented chunk](@) is a sequence of non-blank lines,
-each indented four or more spaces. The contents of the code block are
-the literal contents of the lines, including trailing
-[line endings], minus four spaces of indentation.
-An indented code block has no [info string].
 
-An indented code block cannot interrupt a paragraph, so there must be
-a blank line between a paragraph and a following indented code block.
-(A blank line is not needed, however, between a code block and a following
-paragraph.)
+Four spaces of indentation is too many:
 
 ```````````````````````````````` example
-    a simple
-      indented code block
+    Foo
+    ---
+
+    Foo
+---
 .
-<pre><code>a simple
-  indented code block
+<pre><code>Foo
+---
+
+Foo
 </code></pre>
+<hr />
 ````````````````````````````````
 
 
-If there is any ambiguity between an interpretation of indentation
-as a code block and as indicating that material belongs to a [list
-item][list items], the list item interpretation takes precedence:
+The setext heading underline can be preceded by up to three spaces of
+indentation, and may have trailing spaces or tabs:
 
 ```````````````````````````````` example
-  - foo
-
-    bar
+Foo
+   ----      
 .
-<ul>
-<li>
-<p>foo</p>
-<p>bar</p>
-</li>
-</ul>
+<h2>Foo</h2>
 ````````````````````````````````
 
 
-```````````````````````````````` example
-1.  foo
+Four spaces of indentation is too many:
 
-    - bar
+```````````````````````````````` example
+Foo
+    ---
 .
-<ol>
-<li>
-<p>foo</p>
-<ul>
-<li>bar</li>
-</ul>
-</li>
-</ol>
+<p>Foo
+---</p>
 ````````````````````````````````
 
 
-
-The contents of a code block are literal text, and do not get parsed
-as Markdown:
+The setext heading underline cannot contain internal spaces or tabs:
 
 ```````````````````````````````` example
-    <a/>
-    *hi*
+Foo
+= =
 
-    - one
+Foo
+--- -
 .
-<pre><code>&lt;a/&gt;
-*hi*
-
-- one
-</code></pre>
+<p>Foo
+= =</p>
+<p>Foo</p>
+<hr />
 ````````````````````````````````
 
 
-Here we have three chunks separated by blank lines:
+Trailing spaces or tabs in the content line do not cause a hard line break:
 
 ```````````````````````````````` example
-    chunk1
-
-    chunk2
-  
- 
- 
-    chunk3
+Foo  
+-----
 .
-<pre><code>chunk1
-
-chunk2
-
-
-
-chunk3
-</code></pre>
+<h2>Foo</h2>
 ````````````````````````````````
 
 
-Any initial spaces beyond four will be included in the content, even
-in interior blank lines:
+Nor does a backslash at the end:
 
 ```````````````````````````````` example
-    chunk1
-      
-      chunk2
+Foo\
+----
 .
-<pre><code>chunk1
-  
-  chunk2
-</code></pre>
+<h2>Foo\</h2>
 ````````````````````````````````
 
 
-An indented code block cannot interrupt a paragraph.  (This
-allows hanging indents and the like.)
+Since indicators of block structure take precedence over
+indicators of inline structure, the following are setext headings:
 
 ```````````````````````````````` example
-Foo
-    bar
+`Foo
+----
+`
 
+<a title="a lot
+---
+of dashes"/>
 .
-<p>Foo
-bar</p>
+<h2>`Foo</h2>
+<p>`</p>
+<h2>&lt;a title=&quot;a lot</h2>
+<p>of dashes&quot;/&gt;</p>
 ````````````````````````````````
 
 
-However, any non-blank line with fewer than four leading spaces ends
-the code block immediately.  So a paragraph may occur immediately
-after indented code:
+The setext heading underline cannot be a [lazy continuation
+line] in a list item or block quote:
 
 ```````````````````````````````` example
-    foo
-bar
+> Foo
+---
 .
-<pre><code>foo
-</code></pre>
-<p>bar</p>
+<blockquote>
+<p>Foo</p>
+</blockquote>
+<hr />
 ````````````````````````````````
 
 
-And indented code can occur immediately before and after other kinds of
-blocks:
-
 ```````````````````````````````` example
-# Heading
-    foo
-Heading
-------
-    foo
-----
+> foo
+bar
+===
 .
-<h1>Heading</h1>
-<pre><code>foo
-</code></pre>
-<h2>Heading</h2>
-<pre><code>foo
-</code></pre>
-<hr />
+<blockquote>
+<p>foo
+bar
+===</p>
+</blockquote>
 ````````````````````````````````
 
 
-The first line can be indented more than four spaces:
-
 ```````````````````````````````` example
-        foo
-    bar
+- Foo
+---
 .
-<pre><code>    foo
-bar
-</code></pre>
+<ul>
+<li>Foo</li>
+</ul>
+<hr />
 ````````````````````````````````
 
 
-Blank lines preceding or following an indented code block
-are not included in it:
+A blank line is needed between a paragraph and a following
+setext heading, since otherwise the paragraph becomes part
+of the heading's content:
 
 ```````````````````````````````` example
-
-    
-    foo
-    
-
+Foo
+Bar
+---
 .
-<pre><code>foo
-</code></pre>
+<h2>Foo
+Bar</h2>
 ````````````````````````````````
 
 
-Trailing spaces are included in the code block's content:
+But in general a blank line is not required before or after
+setext headings:
 
 ```````````````````````````````` example
-    foo  
+---
+Foo
+---
+Bar
+---
+Baz
 .
-<pre><code>foo  
-</code></pre>
+<hr />
+<h2>Foo</h2>
+<h2>Bar</h2>
+<p>Baz</p>
 ````````````````````````````````
 
 
+Setext headings cannot be empty:
 
-## Fenced code blocks
-
-A [code fence](@) is a sequence
-of at least three consecutive backtick characters (`` ` ``) or
-tildes (`~`).  (Tildes and backticks cannot be mixed.)
-A [fenced code block](@)
-begins with a code fence, indented no more than three spaces.
-
-The line with the opening code fence may optionally contain some text
-following the code fence; this is trimmed of leading and trailing
-whitespace and called the [info string](@). If the [info string] comes
-after a backtick fence, it may not contain any backtick
-characters.  (The reason for this restriction is that otherwise
-some inline code would be incorrectly interpreted as the
-beginning of a fenced code block.)
+```````````````````````````````` example
 
-The content of the code block consists of all subsequent lines, until
-a closing [code fence] of the same type as the code block
-began with (backticks or tildes), and with at least as many backticks
-or tildes as the opening code fence.  If the leading code fence is
-indented N spaces, then up to N spaces of indentation are removed from
-each line of the content (if present).  (If a content line is not
-indented, it is preserved unchanged.  If it is indented less than N
-spaces, all of the indentation is removed.)
+====
+.
+<p>====</p>
+````````````````````````````````
 
-The closing code fence may be indented up to three spaces, and may be
-followed only by spaces, which are ignored.  If the end of the
-containing block (or document) is reached and no closing code fence
-has been found, the code block contains all of the lines after the
-opening code fence until the end of the containing block (or
-document).  (An alternative spec would require backtracking in the
-event that a closing code fence is not found.  But this makes parsing
-much less efficient, and there seems to be no real down side to the
-behavior described here.)
 
-A fenced code block may interrupt a paragraph, and does not require
-a blank line either before or after.
+Setext heading text lines must not be interpretable as block
+constructs other than paragraphs.  So, the line of dashes
+in these examples gets interpreted as a thematic break:
 
-The content of a code fence is treated as literal text, not parsed
-as inlines.  The first word of the [info string] is typically used to
-specify the language of the code sample, and rendered in the `class`
-attribute of the `code` tag.  However, this spec does not mandate any
-particular treatment of the [info string].
+```````````````````````````````` example
+---
+---
+.
+<hr />
+<hr />
+````````````````````````````````
 
-Here is a simple example with backticks:
 
 ```````````````````````````````` example
-```
-<
- >
-```
+- foo
+-----
 .
-<pre><code>&lt;
- &gt;
-</code></pre>
+<ul>
+<li>foo</li>
+</ul>
+<hr />
 ````````````````````````````````
 
 
-With tildes:
-
 ```````````````````````````````` example
-~~~
-<
- >
-~~~
+    foo
+---
 .
-<pre><code>&lt;
- &gt;
+<pre><code>foo
 </code></pre>
+<hr />
 ````````````````````````````````
 
-Fewer than three backticks is not enough:
 
 ```````````````````````````````` example
-``
-foo
-``
+> foo
+-----
 .
-<p><code>foo</code></p>
+<blockquote>
+<p>foo</p>
+</blockquote>
+<hr />
 ````````````````````````````````
 
-The closing code fence must use the same character as the opening
-fence:
+
+If you want a heading with `> foo` as its literal text, you can
+use backslash escapes:
 
 ```````````````````````````````` example
-```
-aaa
-~~~
-```
+\> foo
+------
 .
-<pre><code>aaa
-~~~
-</code></pre>
+<h2>&gt; foo</h2>
 ````````````````````````````````
 
 
-```````````````````````````````` example
-~~~
-aaa
-```
-~~~
-.
-<pre><code>aaa
+**Compatibility note:**  Most existing Markdown implementations
+do not allow the text of setext headings to span multiple lines.
+But there is no consensus about how to interpret
+
+``` markdown
+Foo
+bar
+---
+baz
 ```
-</code></pre>
-````````````````````````````````
 
+One can find four different interpretations:
 
-The closing code fence must be at least as long as the opening fence:
+1. paragraph "Foo", heading "bar", paragraph "baz"
+2. paragraph "Foo bar", thematic break, paragraph "baz"
+3. paragraph "Foo bar --- baz"
+4. heading "Foo bar", paragraph "baz"
+
+We find interpretation 4 most natural, and interpretation 4
+increases the expressive power of CommonMark, by allowing
+multiline headings.  Authors who want interpretation 1 can
+put a blank line after the first paragraph:
 
 ```````````````````````````````` example
-````
-aaa
-```
-``````
+Foo
+
+bar
+---
+baz
 .
-<pre><code>aaa
-```
-</code></pre>
+<p>Foo</p>
+<h2>bar</h2>
+<p>baz</p>
 ````````````````````````````````
 
 
+Authors who want interpretation 2 can put blank lines around
+the thematic break,
+
 ```````````````````````````````` example
-~~~~
-aaa
-~~~
-~~~~
+Foo
+bar
+
+---
+
+baz
 .
-<pre><code>aaa
-~~~
-</code></pre>
+<p>Foo
+bar</p>
+<hr />
+<p>baz</p>
 ````````````````````````````````
 
 
-Unclosed code blocks are closed by the end of the document
-(or the enclosing [block quote][block quotes] or [list item][list items]):
+or use a thematic break that cannot count as a [setext heading
+underline], such as
 
 ```````````````````````````````` example
-```
+Foo
+bar
+* * *
+baz
 .
-<pre><code></code></pre>
+<p>Foo
+bar</p>
+<hr />
+<p>baz</p>
 ````````````````````````````````
 
 
-```````````````````````````````` example
-`````
+Authors who want interpretation 3 can use backslash escapes:
 
-```
-aaa
+```````````````````````````````` example
+Foo
+bar
+\---
+baz
 .
-<pre><code>
-```
-aaa
-</code></pre>
+<p>Foo
+bar
+---
+baz</p>
 ````````````````````````````````
 
 
-```````````````````````````````` example
-> ```
-> aaa
+## Indented code blocks
 
-bbb
+An [indented code block](@) is composed of one or more
+[indented chunks] separated by blank lines.
+An [indented chunk](@) is a sequence of non-blank lines,
+each preceded by four or more spaces of indentation. The contents of the code
+block are the literal contents of the lines, including trailing
+[line endings], minus four spaces of indentation.
+An indented code block has no [info string].
+
+An indented code block cannot interrupt a paragraph, so there must be
+a blank line between a paragraph and a following indented code block.
+(A blank line is not needed, however, between a code block and a following
+paragraph.)
+
+```````````````````````````````` example
+    a simple
+      indented code block
 .
-<blockquote>
-<pre><code>aaa
+<pre><code>a simple
+  indented code block
 </code></pre>
-</blockquote>
-<p>bbb</p>
 ````````````````````````````````
 
 
-A code block can have all empty lines as its content:
+If there is any ambiguity between an interpretation of indentation
+as a code block and as indicating that material belongs to a [list
+item][list items], the list item interpretation takes precedence:
 
 ```````````````````````````````` example
-```
+  - foo
 
-  
-```
+    bar
 .
-<pre><code>
-  
-</code></pre>
+<ul>
+<li>
+<p>foo</p>
+<p>bar</p>
+</li>
+</ul>
 ````````````````````````````````
 
 
-A code block can be empty:
-
 ```````````````````````````````` example
-```
-```
+1.  foo
+
+    - bar
 .
-<pre><code></code></pre>
+<ol>
+<li>
+<p>foo</p>
+<ul>
+<li>bar</li>
+</ul>
+</li>
+</ol>
 ````````````````````````````````
 
 
-Fences can be indented.  If the opening fence is indented,
-content lines will have equivalent opening indentation removed,
-if present:
+
+The contents of a code block are literal text, and do not get parsed
+as Markdown:
 
 ```````````````````````````````` example
- ```
- aaa
-aaa
-```
+    <a/>
+    *hi*
+
+    - one
 .
-<pre><code>aaa
-aaa
+<pre><code>&lt;a/&gt;
+*hi*
+
+- one
 </code></pre>
 ````````````````````````````````
 
 
+Here we have three chunks separated by blank lines:
+
 ```````````````````````````````` example
-  ```
-aaa
-  aaa
-aaa
-  ```
+    chunk1
+
+    chunk2
+  
+ 
+ 
+    chunk3
 .
-<pre><code>aaa
-aaa
-aaa
+<pre><code>chunk1
+
+chunk2
+
+
+
+chunk3
 </code></pre>
 ````````````````````````````````
 
 
+Any initial spaces or tabs beyond four spaces of indentation will be included in
+the content, even in interior blank lines:
+
 ```````````````````````````````` example
-   ```
-   aaa
-    aaa
-  aaa
-   ```
+    chunk1
+      
+      chunk2
 .
-<pre><code>aaa
- aaa
-aaa
+<pre><code>chunk1
+  
+  chunk2
 </code></pre>
 ````````````````````````````````
 
 
-Four spaces indentation produces an indented code block:
+An indented code block cannot interrupt a paragraph.  (This
+allows hanging indents and the like.)
 
 ```````````````````````````````` example
-    ```
-    aaa
-    ```
+Foo
+    bar
+
 .
-<pre><code>```
-aaa
-```
-</code></pre>
+<p>Foo
+bar</p>
 ````````````````````````````````
 
 
-Closing fences may be indented by 0-3 spaces, and their indentation
-need not match that of the opening fence:
+However, any non-blank line with fewer than four spaces of indentation ends
+the code block immediately.  So a paragraph may occur immediately
+after indented code:
 
 ```````````````````````````````` example
-```
-aaa
-  ```
+    foo
+bar
 .
-<pre><code>aaa
+<pre><code>foo
 </code></pre>
+<p>bar</p>
 ````````````````````````````````
 
 
+And indented code can occur immediately before and after other kinds of
+blocks:
+
 ```````````````````````````````` example
-   ```
-aaa
-  ```
+# Heading
+    foo
+Heading
+------
+    foo
+----
 .
-<pre><code>aaa
+<h1>Heading</h1>
+<pre><code>foo
+</code></pre>
+<h2>Heading</h2>
+<pre><code>foo
 </code></pre>
+<hr />
 ````````````````````````````````
 
 
-This is not a closing fence, because it is indented 4 spaces:
+The first line can be preceded by more than four spaces of indentation:
 
 ```````````````````````````````` example
-```
-aaa
-    ```
+        foo
+    bar
 .
-<pre><code>aaa
-    ```
+<pre><code>    foo
+bar
 </code></pre>
 ````````````````````````````````
 
 
-
-Code fences (opening and closing) cannot contain internal spaces:
+Blank lines preceding or following an indented code block
+are not included in it:
 
 ```````````````````````````````` example
-``` ```
-aaa
+
+    
+    foo
+    
+
 .
-<p><code> </code>
-aaa</p>
+<pre><code>foo
+</code></pre>
 ````````````````````````````````
 
 
+Trailing spaces or tabs are included in the code block's content:
+
 ```````````````````````````````` example
-~~~~~~
-aaa
-~~~ ~~
+    foo  
 .
-<pre><code>aaa
-~~~ ~~
+<pre><code>foo  
 </code></pre>
 ````````````````````````````````
 
 
-Fenced code blocks can interrupt paragraphs, and can be followed
-directly by paragraphs, without a blank line between:
+
+## Fenced code blocks
+
+A [code fence](@) is a sequence
+of at least three consecutive backtick characters (`` ` ``) or
+tildes (`~`).  (Tildes and backticks cannot be mixed.)
+A [fenced code block](@)
+begins with a code fence, preceded by up to three spaces of indentation.
+
+The line with the opening code fence may optionally contain some text
+following the code fence; this is trimmed of leading and trailing
+spaces or tabs and called the [info string](@). If the [info string] comes
+after a backtick fence, it may not contain any backtick
+characters.  (The reason for this restriction is that otherwise
+some inline code would be incorrectly interpreted as the
+beginning of a fenced code block.)
+
+The content of the code block consists of all subsequent lines, until
+a closing [code fence] of the same type as the code block
+began with (backticks or tildes), and with at least as many backticks
+or tildes as the opening code fence.  If the leading code fence is
+preceded by N spaces of indentation, then up to N spaces of indentation are
+removed from each line of the content (if present).  (If a content line is not
+indented, it is preserved unchanged.  If it is indented N spaces or less, all
+of the indentation is removed.)
+
+The closing code fence may be preceded by up to three spaces of indentation, and
+may be followed only by spaces or tabs, which are ignored.  If the end of the
+containing block (or document) is reached and no closing code fence
+has been found, the code block contains all of the lines after the
+opening code fence until the end of the containing block (or
+document).  (An alternative spec would require backtracking in the
+event that a closing code fence is not found.  But this makes parsing
+much less efficient, and there seems to be no real down side to the
+behavior described here.)
+
+A fenced code block may interrupt a paragraph, and does not require
+a blank line either before or after.
+
+The content of a code fence is treated as literal text, not parsed
+as inlines.  The first word of the [info string] is typically used to
+specify the language of the code sample, and rendered in the `class`
+attribute of the `code` tag.  However, this spec does not mandate any
+particular treatment of the [info string].
+
+Here is a simple example with backticks:
 
 ```````````````````````````````` example
-foo
 ```
-bar
+<
+ >
 ```
-baz
 .
-<p>foo</p>
-<pre><code>bar
+<pre><code>&lt;
+ &gt;
 </code></pre>
-<p>baz</p>
 ````````````````````````````````
 
 
-Other blocks can also occur before and after fenced code blocks
-without an intervening blank line:
+With tildes:
 
 ```````````````````````````````` example
-foo
----
 ~~~
-bar
+<
+ >
 ~~~
-# baz
 .
-<h2>foo</h2>
-<pre><code>bar
+<pre><code>&lt;
+ &gt;
 </code></pre>
-<h1>baz</h1>
 ````````````````````````````````
 
+Fewer than three backticks is not enough:
+
+```````````````````````````````` example
+``
+foo
+``
+.
+<p><code>foo</code></p>
+````````````````````````````````
 
-An [info string] can be provided after the opening code fence.
-Although this spec doesn't mandate any particular treatment of
-the info string, the first word is typically used to specify
-the language of the code block. In HTML output, the language is
-normally indicated by adding a class to the `code` element consisting
-of `language-` followed by the language name.
+The closing code fence must use the same character as the opening
+fence:
 
 ```````````````````````````````` example
-```ruby
-def foo(x)
-  return 3
-end
+```
+aaa
+~~~
 ```
 .
-<pre><code class="language-ruby">def foo(x)
-  return 3
-end
+<pre><code>aaa
+~~~
 </code></pre>
 ````````````````````````````````
 
 
 ```````````````````````````````` example
-~~~~    ruby startline=3 $%@#$
-def foo(x)
-  return 3
-end
-~~~~~~~
+~~~
+aaa
+```
+~~~
 .
-<pre><code class="language-ruby">def foo(x)
-  return 3
-end
+<pre><code>aaa
+```
 </code></pre>
 ````````````````````````````````
 
 
+The closing code fence must be at least as long as the opening fence:
+
 ```````````````````````````````` example
-````;
 ````
+aaa
+```
+``````
 .
-<pre><code class="language-;"></code></pre>
+<pre><code>aaa
+```
+</code></pre>
 ````````````````````````````````
 
 
-[Info strings] for backtick code blocks cannot contain backticks:
+```````````````````````````````` example
+~~~~
+aaa
+~~~
+~~~~
+.
+<pre><code>aaa
+~~~
+</code></pre>
+````````````````````````````````
+
+
+Unclosed code blocks are closed by the end of the document
+(or the enclosing [block quote][block quotes] or [list item][list items]):
 
 ```````````````````````````````` example
-``` aa ```
-foo
+```
 .
-<p><code>aa</code>
-foo</p>
+<pre><code></code></pre>
 ````````````````````````````````
 
 
-[Info strings] for tilde code blocks can contain backticks and tildes:
+```````````````````````````````` example
+`````
+
+```
+aaa
+.
+<pre><code>
+```
+aaa
+</code></pre>
+````````````````````````````````
+
 
 ```````````````````````````````` example
-~~~ aa ``` ~~~
-foo
-~~~
+> ```
+> aaa
+
+bbb
 .
-<pre><code class="language-aa">foo
+<blockquote>
+<pre><code>aaa
 </code></pre>
+</blockquote>
+<p>bbb</p>
 ````````````````````````````````
 
 
-Closing code fences cannot have [info strings]:
+A code block can have all empty lines as its content:
 
 ```````````````````````````````` example
 ```
-``` aaa
+
+  
 ```
 .
-<pre><code>``` aaa
+<pre><code>
+  
 </code></pre>
 ````````````````````````````````
 
 
+A code block can be empty:
 
-## HTML blocks
-
-An [HTML block](@) is a group of lines that is treated
-as raw HTML (and will not be escaped in HTML output).
+```````````````````````````````` example
+```
+```
+.
+<pre><code></code></pre>
+````````````````````````````````
 
-There are seven kinds of [HTML block], which can be defined by their
-start and end conditions.  The block begins with a line that meets a
-[start condition](@) (after up to three spaces optional indentation).
-It ends with the first subsequent line that meets a matching [end
-condition](@), or the last line of the document, or the last line of
-the [container block](#container-blocks) containing the current HTML
-block, if no line is encountered that meets the [end condition].  If
-the first line meets both the [start condition] and the [end
-condition], the block will contain just that line.
 
-1.  **Start condition:**  line begins with the string `<script`,
-`<pre`, or `<style` (case-insensitive), followed by whitespace,
-the string `>`, or the end of the line.\
-**End condition:**  line contains an end tag
-`</script>`, `</pre>`, or `</style>` (case-insensitive; it
-need not match the start tag).
+Fences can be indented.  If the opening fence is indented,
+content lines will have equivalent opening indentation removed,
+if present:
 
-2.  **Start condition:** line begins with the string `<!--`.\
-**End condition:**  line contains the string `-->`.
+```````````````````````````````` example
+ ```
+ aaa
+aaa
+```
+.
+<pre><code>aaa
+aaa
+</code></pre>
+````````````````````````````````
 
-3.  **Start condition:** line begins with the string `<?`.\
-**End condition:** line contains the string `?>`.
 
-4.  **Start condition:** line begins with the string `<!`
-followed by an uppercase ASCII letter.\
-**End condition:** line contains the character `>`.
+```````````````````````````````` example
+  ```
+aaa
+  aaa
+aaa
+  ```
+.
+<pre><code>aaa
+aaa
+aaa
+</code></pre>
+````````````````````````````````
+
+
+```````````````````````````````` example
+   ```
+   aaa
+    aaa
+  aaa
+   ```
+.
+<pre><code>aaa
+ aaa
+aaa
+</code></pre>
+````````````````````````````````
+
+
+Four spaces of indentation is too many:
+
+```````````````````````````````` example
+    ```
+    aaa
+    ```
+.
+<pre><code>```
+aaa
+```
+</code></pre>
+````````````````````````````````
+
+
+Closing fences may be preceded by up to three spaces of indentation, and their
+indentation need not match that of the opening fence:
+
+```````````````````````````````` example
+```
+aaa
+  ```
+.
+<pre><code>aaa
+</code></pre>
+````````````````````````````````
+
+
+```````````````````````````````` example
+   ```
+aaa
+  ```
+.
+<pre><code>aaa
+</code></pre>
+````````````````````````````````
+
+
+This is not a closing fence, because it is indented 4 spaces:
+
+```````````````````````````````` example
+```
+aaa
+    ```
+.
+<pre><code>aaa
+    ```
+</code></pre>
+````````````````````````````````
+
+
+
+Code fences (opening and closing) cannot contain internal spaces or tabs:
+
+```````````````````````````````` example
+``` ```
+aaa
+.
+<p><code> </code>
+aaa</p>
+````````````````````````````````
+
+
+```````````````````````````````` example
+~~~~~~
+aaa
+~~~ ~~
+.
+<pre><code>aaa
+~~~ ~~
+</code></pre>
+````````````````````````````````
+
+
+Fenced code blocks can interrupt paragraphs, and can be followed
+directly by paragraphs, without a blank line between:
+
+```````````````````````````````` example
+foo
+```
+bar
+```
+baz
+.
+<p>foo</p>
+<pre><code>bar
+</code></pre>
+<p>baz</p>
+````````````````````````````````
+
+
+Other blocks can also occur before and after fenced code blocks
+without an intervening blank line:
+
+```````````````````````````````` example
+foo
+---
+~~~
+bar
+~~~
+# baz
+.
+<h2>foo</h2>
+<pre><code>bar
+</code></pre>
+<h1>baz</h1>
+````````````````````````````````
+
+
+An [info string] can be provided after the opening code fence.
+Although this spec doesn't mandate any particular treatment of
+the info string, the first word is typically used to specify
+the language of the code block. In HTML output, the language is
+normally indicated by adding a class to the `code` element consisting
+of `language-` followed by the language name.
+
+```````````````````````````````` example
+```ruby
+def foo(x)
+  return 3
+end
+```
+.
+<pre><code class="language-ruby">def foo(x)
+  return 3
+end
+</code></pre>
+````````````````````````````````
+
+
+```````````````````````````````` example
+~~~~    ruby startline=3 $%@#$
+def foo(x)
+  return 3
+end
+~~~~~~~
+.
+<pre><code class="language-ruby">def foo(x)
+  return 3
+end
+</code></pre>
+````````````````````````````````
+
+
+```````````````````````````````` example
+````;
+````
+.
+<pre><code class="language-;"></code></pre>
+````````````````````````````````
+
+
+[Info strings] for backtick code blocks cannot contain backticks:
+
+```````````````````````````````` example
+``` aa ```
+foo
+.
+<p><code>aa</code>
+foo</p>
+````````````````````````````````
+
+
+[Info strings] for tilde code blocks can contain backticks and tildes:
+
+```````````````````````````````` example
+~~~ aa ``` ~~~
+foo
+~~~
+.
+<pre><code class="language-aa">foo
+</code></pre>
+````````````````````````````````
+
+
+Closing code fences cannot have [info strings]:
+
+```````````````````````````````` example
+```
+``` aaa
+```
+.
+<pre><code>``` aaa
+</code></pre>
+````````````````````````````````
+
+
+
+## HTML blocks
+
+An [HTML block](@) is a group of lines that is treated
+as raw HTML (and will not be escaped in HTML output).
+
+There are seven kinds of [HTML block], which can be defined by their
+start and end conditions.  The block begins with a line that meets a
+[start condition](@) (after up to three optional spaces of indentation).
+It ends with the first subsequent line that meets a matching
+[end condition](@), or the last line of the document, or the last line of
+the [container block](#container-blocks) containing the current HTML
+block, if no line is encountered that meets the [end condition].  If
+the first line meets both the [start condition] and the [end
+condition], the block will contain just that line.
+
+1.  **Start condition:**  line begins with the string `<pre`,
+`<script`, `<style`, or `<textarea` (case-insensitive), followed by a space,
+a tab, the string `>`, or the end of the line.\
+**End condition:**  line contains an end tag
+`</pre>`, `</script>`, `</style>`, or `</textarea>` (case-insensitive; it
+need not match the start tag).
+
+2.  **Start condition:** line begins with the string `<!--`.\
+**End condition:**  line contains the string `-->`.
+
+3.  **Start condition:** line begins with the string `<?`.\
+**End condition:** line contains the string `?>`.
+
+4.  **Start condition:** line begins with the string `<!`
+followed by an ASCII letter.\
+**End condition:** line contains the character `>`.
 
 5.  **Start condition:**  line begins with the string
 `<![CDATA[`.\
@@ -2063,14 +2408,14 @@ followed by one of the strings (case-insensitive) `address`,
 `nav`, `noframes`, `ol`, `optgroup`, `option`, `p`, `param`,
 `section`, `source`, `summary`, `table`, `tbody`, `td`,
 `tfoot`, `th`, `thead`, `title`, `tr`, `track`, `ul`, followed
-by [whitespace], the end of the line, the string `>`, or
+by a space, a tab, the end of the line, the string `>`, or
 the string `/>`.\
 **End condition:** line is followed by a [blank line].
 
 7.  **Start condition:**  line begins with a complete [open tag]
-(with any [tag name] other than `script`,
-`style`, or `pre`) or a complete [closing tag],
-followed only by [whitespace] or the end of the line.\
+(with any [tag name] other than `pre`, `script`,
+`style`, or `textarea`) or a complete [closing tag],
+followed by zero or more spaces and tabs, followed by the end of the line.\
 **End condition:** line is followed by a [blank line].
 
 HTML blocks continue until they are closed by their appropriate
@@ -2080,7 +2425,7 @@ block** that might otherwise be recognised as a start condition will
 be ignored by the parser and passed through as-is, without changing
 the parser's state.
 
-For instance, `<pre>` within a HTML block started by `<table>` will not affect
+For instance, `<pre>` within an HTML block started by `<table>` will not affect
 the parser state; as the HTML block was started in by start condition 6, it
 will end at any blank line. This can be surprising:
 
@@ -2101,7 +2446,7 @@ _world_.
 </td></tr></table>
 ````````````````````````````````
 
-In this case, the HTML block is terminated by the newline — the `**Hello**`
+In this case, the HTML block is terminated by the blank line — the `**Hello**`
 text remains verbatim — and regular parsing resumes, with a paragraph,
 emphasised `world` and inline and block HTML following.
 
@@ -2379,7 +2724,7 @@ rather than an [HTML block].)
 
 
 HTML tags designed to contain literal content
-(`script`, `style`, `pre`), comments, processing instructions,
+(`pre`, `script`, `style`, `textarea`), comments, processing instructions,
 and declarations are treated somewhat differently.
 Instead of ending at the first blank line, these blocks
 end at the first line containing a corresponding end tag.
@@ -2425,6 +2770,26 @@ document.getElementById("demo").innerHTML = "Hello JavaScript!";
 ````````````````````````````````
 
 
+A textarea tag (type 1):
+
+```````````````````````````````` example
+<textarea>
+
+*foo*
+
+_bar_
+
+</textarea>
+.
+<textarea>
+
+*foo*
+
+_bar_
+
+</textarea>
+````````````````````````````````
+
 A style tag (type 1):
 
 ```````````````````````````````` example
@@ -2603,7 +2968,8 @@ function matchwo(a,b)
 ````````````````````````````````
 
 
-The opening tag can be indented 1-3 spaces, but not 4:
+The opening tag can be preceded by up to three spaces of indentation, but not
+four:
 
 ```````````````````````````````` example
   <!-- foo -->
@@ -2679,7 +3045,7 @@ specification, which says:
 > The only restrictions are that block-level HTML elements —
 > e.g. `<div>`, `<table>`, `<pre>`, `<p>`, etc. — must be separated from
 > surrounding content by blank lines, and the start and end tags of the
-> block should not be indented with tabs or spaces.
+> block should not be indented with spaces or tabs.
 
 In some ways Gruber's rule is more restrictive than the one given
 here:
@@ -2797,14 +3163,15 @@ deleted.  The exception is inside `<pre>` tags, but as described
 ## Link reference definitions
 
 A [link reference definition](@)
-consists of a [link label], indented up to three spaces, followed
-by a colon (`:`), optional [whitespace] (including up to one
+consists of a [link label], optionally preceded by up to three spaces of
+indentation, followed
+by a colon (`:`), optional spaces or tabs (including up to one
 [line ending]), a [link destination],
-optional [whitespace] (including up to one
+optional spaces or tabs (including up to one
 [line ending]), and an optional [link
 title], which if it is present must be separated
-from the [link destination] by [whitespace].
-No further [non-whitespace characters] may occur on the line.
+from the [link destination] by spaces or tabs.
+No further character may occur.
 
 A [link reference definition]
 does not correspond to a structural element of a document.  Instead, it
@@ -2922,7 +3289,7 @@ The link destination may not be omitted:
 ````````````````````````````````
 
 The title must be separated from the link destination by
-whitespace:
+spaces or tabs:
 
 ```````````````````````````````` example
 [foo]: <bar>(baz)
@@ -2991,8 +3358,11 @@ case-insensitive (see [matches]).
 ````````````````````````````````
 
 
-Here is a link reference definition with no corresponding link.
-It contributes nothing to the document.
+Whether something is a [link reference definition] is
+independent of whether the link reference it defines is
+used in the document.  Thus, for example, the following
+document contains just a link reference definition, and
+no visible content:
 
 ```````````````````````````````` example
 [foo]: /url
@@ -3013,7 +3383,7 @@ bar
 
 
 This is not a link reference definition, because there are
-[non-whitespace characters] after the title:
+characters other than spaces or tabs after the title:
 
 ```````````````````````````````` example
 [foo]: /url "title" ok
@@ -3145,18 +3515,6 @@ are defined:
 ````````````````````````````````
 
 
-Whether something is a [link reference definition] is
-independent of whether the link reference it defines is
-used in the document.  Thus, for example, the following
-document contains just a link reference definition, and
-no visible content:
-
-```````````````````````````````` example
-[foo]: /url
-.
-````````````````````````````````
-
-
 ## Paragraphs
 
 A sequence of non-blank lines that cannot be interpreted as other
@@ -3164,7 +3522,7 @@ kinds of blocks forms a [paragraph](@).
 The contents of the paragraph are the result of parsing the
 paragraph's raw content as inlines.  The paragraph's raw content
 is formed by concatenating the lines and removing initial and final
-[whitespace].
+spaces or tabs.
 
 A simple example with two paragraphs:
 
@@ -3194,7 +3552,7 @@ ddd</p>
 ````````````````````````````````
 
 
-Multiple blank lines between paragraph have no effect:
+Multiple blank lines between paragraphs have no effect:
 
 ```````````````````````````````` example
 aaa
@@ -3207,7 +3565,7 @@ bbb
 ````````````````````````````````
 
 
-Leading spaces are skipped:
+Leading spaces or tabs are skipped:
 
 ```````````````````````````````` example
   aaa
@@ -3232,8 +3590,8 @@ ccc</p>
 ````````````````````````````````
 
 
-However, the first line may be indented at most three spaces,
-or an indented code block will be triggered:
+However, the first line may be preceded by up to three spaces of indentation.
+Four spaces of indentation is too many:
 
 ```````````````````````````````` example
    aaa
@@ -3254,7 +3612,7 @@ bbb
 ````````````````````````````````
 
 
-Final spaces are stripped before inline parsing, so a paragraph
+Final spaces or tabs are stripped before inline parsing, so a paragraph
 that ends with two or more spaces will not end with a [hard line
 break]:
 
@@ -3313,9 +3671,11 @@ these constructions.  (A recipe is provided below in the section entitled
 
 ## Block quotes
 
-A [block quote marker](@)
-consists of 0-3 spaces of initial indent, plus (a) the character `>` together
-with a following space, or (b) a single character `>` not followed by a space.
+A [block quote marker](@),
+optionally preceded by up to three spaces of indentation,
+consists of (a) the character `>` together with a following space of
+indentation, or (b) a single character `>` not followed by a space of
+indentation.
 
 The following rules define [block quotes]:
 
@@ -3327,8 +3687,8 @@ The following rules define [block quotes]:
 2.  **Laziness.**  If a string of lines *Ls* constitute a [block
     quote](#block-quotes) with contents *Bs*, then the result of deleting
     the initial [block quote marker] from one or
-    more lines in which the next [non-whitespace character] after the [block
-    quote marker] is [paragraph continuation
+    more lines in which the next character other than a space or tab after the
+    [block quote marker] is [paragraph continuation
     text] is a block quote with *Bs* as its content.
     [Paragraph continuation text](@) is text
     that will be parsed as part of the content of a paragraph, but does
@@ -3354,7 +3714,7 @@ baz</p>
 ````````````````````````````````
 
 
-The spaces after the `>` characters can be omitted:
+The space or tab after the `>` characters can be omitted:
 
 ```````````````````````````````` example
 ># Foo
@@ -3369,7 +3729,7 @@ baz</p>
 ````````````````````````````````
 
 
-The `>` characters can be indented 1-3 spaces:
+The `>` characters can be preceded by up to three spaces of indentation:
 
 ```````````````````````````````` example
    > # Foo
@@ -3384,7 +3744,7 @@ baz</p>
 ````````````````````````````````
 
 
-Four spaces gives us a code block:
+Four spaces of indentation is too many:
 
 ```````````````````````````````` example
     > # Foo
@@ -3719,8 +4079,8 @@ baz</p>
 
 When including an indented code block in a block quote,
 remember that the [block quote marker] includes
-both the `>` and a following space.  So *five spaces* are needed after
-the `>`:
+both the `>` and a following space of indentation.  So *five spaces* are needed
+after the `>`:
 
 ```````````````````````````````` example
 >     code
@@ -3755,10 +4115,10 @@ in some browsers.)
 The following rules define [list items]:
 
 1.  **Basic case.**  If a sequence of lines *Ls* constitute a sequence of
-    blocks *Bs* starting with a [non-whitespace character], and *M* is a
-    list marker of width *W* followed by 1 ≤ *N* ≤ 4 spaces, then the result
-    of prepending *M* and the following spaces to the first line of
-    *Ls*, and indenting subsequent lines of *Ls* by *W + N* spaces, is a
+    blocks *Bs* starting with a character other than a space or tab, and *M* is
+    a list marker of width *W* followed by 1 ≤ *N* ≤ 4 spaces of indentation,
+    then the result of prepending *M* and the following spaces to the first line
+    of Ls*, and indenting subsequent lines of *Ls* by *W + N* spaces, is a
     list item with *Bs* as its contents.  The type of the list item
     (bullet or ordered) is determined by the type of its list marker.
     If the list item is ordered, then it is also assigned a start
@@ -3823,8 +4183,8 @@ with two lines.</p>
 The most important thing to notice is that the position of
 the text after the list marker determines how much indentation
 is needed in subsequent blocks in the list item.  If the list
-marker takes up two spaces, and there are three spaces between
-the list marker and the next [non-whitespace character], then blocks
+marker takes up two spaces of indentation, and there are three spaces between
+the list marker and the next character other than a space or tab, then blocks
 must be indented five spaces in order to fall under the list
 item.
 
@@ -3885,10 +4245,10 @@ put under the list item:
 
 
 It is tempting to think of this in terms of columns:  the continuation
-blocks must be indented at least to the column of the first
-[non-whitespace character] after the list marker. However, that is not quite right.
-The spaces after the list marker determine how much relative indentation
-is needed.  Which column this indentation reaches will depend on
+blocks must be indented at least to the column of the first character other than
+a space or tab after the list marker.  However, that is not quite right.
+The spaces of indentation after the list marker determine how much relative
+indentation is needed.  Which column this indentation reaches will depend on
 how the list item is embedded in other constructions, as shown by
 this example:
 
@@ -3935,7 +4295,7 @@ far enough past the blockquote marker:
 ````````````````````````````````
 
 
-Note that at least one space is needed between the list marker and
+Note that at least one space or tab is needed between the list marker and
 any following content, so these are not list items:
 
 ```````````````````````````````` example
@@ -4067,16 +4427,16 @@ A start number may not be negative:
 2.  **Item starting with indented code.**  If a sequence of lines *Ls*
     constitute a sequence of blocks *Bs* starting with an indented code
     block, and *M* is a list marker of width *W* followed by
-    one space, then the result of prepending *M* and the following
-    space to the first line of *Ls*, and indenting subsequent lines of
-    *Ls* by *W + 1* spaces, is a list item with *Bs* as its contents.
+    one space of indentation, then the result of prepending *M* and the
+    following space to the first line of *Ls*, and indenting subsequent lines
+    of *Ls* by *W + 1* spaces, is a list item with *Bs* as its contents.
     If a line is empty, then it need not be indented.  The type of the
     list item (bullet or ordered) is determined by the type of its list
     marker.  If the list item is ordered, then it is also assigned a
     start number, based on the ordered list marker.
 
-An indented code block will have to be indented four spaces beyond
-the edge of the region where text will be included in the list item.
+An indented code block will have to be preceded by four spaces of indentation
+beyond the edge of the region where text will be included in the list item.
 In the following case that is 6 spaces:
 
 ```````````````````````````````` example
@@ -4112,8 +4472,8 @@ And in this case it is 11 spaces:
 
 
 If the *first* block in the list item is an indented code block,
-then by rule #2, the contents must be indented *one* space after the
-list marker:
+then by rule #2, the contents must be preceded by *one* space of indentation
+after the list marker:
 
 ```````````````````````````````` example
     indented code
@@ -4149,7 +4509,7 @@ paragraph
 ````````````````````````````````
 
 
-Note that an additional space indent is interpreted as space
+Note that an additional space of indentation is interpreted as space
 inside the code block:
 
 ```````````````````````````````` example
@@ -4173,10 +4533,10 @@ inside the code block:
 
 Note that rules #1 and #2 only apply to two cases:  (a) cases
 in which the lines to be included in a list item begin with a
-[non-whitespace character], and (b) cases in which
+characer other than a space or tab, and (b) cases in which
 they begin with an indented code
 block.  In a case like the following, where the first block begins with
-a three-space indent, the rules do not allow us to form a list item by
+three spaces of indentation, the rules do not allow us to form a list item by
 indenting the whole thing and prepending a list marker:
 
 ```````````````````````````````` example
@@ -4201,8 +4561,8 @@ bar
 ````````````````````````````````
 
 
-This is not a significant restriction, because when a block begins
-with 1-3 spaces indent, the indentation can always be removed without
+This is not a significant restriction, because when a block is preceded by up to
+three spaces of indentation, the indentation can always be removed without
 a change in interpretation, allowing rule #1 to be applied.  So, in
 the above case:
 
@@ -4222,11 +4582,10 @@ the above case:
 
 3.  **Item starting with a blank line.**  If a sequence of lines *Ls*
     starting with a single [blank line] constitute a (possibly empty)
-    sequence of blocks *Bs*, not separated from each other by more than
-    one blank line, and *M* is a list marker of width *W*,
+    sequence of blocks *Bs*, and *M* is a list marker of width *W*,
     then the result of prepending *M* to the first line of *Ls*, and
-    indenting subsequent lines of *Ls* by *W + 1* spaces, is a list
-    item with *Bs* as its contents.
+    preceding subsequent lines of *Ls* by *W + 1* spaces of indentation, is a
+    list item with *Bs* as its contents.
     If a line is empty, then it need not be indented.  The type of the
     list item (bullet or ordered) is determined by the type of its list
     marker.  If the list item is ordered, then it is also assigned a
@@ -4301,7 +4660,7 @@ Here is an empty bullet list item:
 ````````````````````````````````
 
 
-It does not matter whether there are spaces following the [list marker]:
+It does not matter whether there are spaces or tabs following the [list marker]:
 
 ```````````````````````````````` example
 - foo
@@ -4358,9 +4717,9 @@ foo
 
 
 4.  **Indentation.**  If a sequence of lines *Ls* constitutes a list item
-    according to rule #1, #2, or #3, then the result of indenting each line
-    of *Ls* by 1-3 spaces (the same for each line) also constitutes a
-    list item with the same contents and attributes.  If a line is
+    according to rule #1, #2, or #3, then the result of preceding each line
+    of *Ls* by up to three spaces of indentation (the same for each line) also
+    constitutes a list item with the same contents and attributes.  If a line is
     empty, then it need not be indented.
 
 Indented one space:
@@ -4459,7 +4818,7 @@ Four spaces indent gives a code block:
 5.  **Laziness.**  If a string of lines *Ls* constitute a [list
     item](#list-items) with contents *Bs*, then the result of deleting
     some or all of the indentation from one or more lines in which the
-    next [non-whitespace character] after the indentation is
+    next character other than a space or tab after the indentation is
     [paragraph continuation text] is a
     list item with the same contents and attributes.  The unindented
     lines are called
@@ -4544,7 +4903,7 @@ continued here.</p>
 
 The rules for sublists follow from the general rules
 [above][List items].  A sublist must be indented the same number
-of spaces a paragraph would need to be in order to be included
+of spaces of indentation a paragraph would need to be in order to be included
 in the list item.
 
 So, in this case we need two spaces indent:
@@ -4777,8 +5136,8 @@ The choice of four spaces is arbitrary.  It can be learned, but it is
 not likely to be guessed, and it trips up beginners regularly.
 
 Would it help to adopt a two-space rule?  The problem is that such
-a rule, together with the rule allowing 1--3 spaces indentation of the
-initial list marker, allows text that is indented *less than* the
+a rule, together with the rule allowing up to three spaces of indentation for
+the initial list marker, allows text that is indented *less than* the
 original list marker to be included in the list item. For example,
 `Markdown.pl` parses
 
@@ -5170,8 +5529,8 @@ item:
 </ol>
 ````````````````````````````````
 
-Note, however, that list items may not be indented more than
-three spaces.  Here `- e` is treated as a paragraph continuation
+Note, however, that list items may not be preceded by more than
+three spaces of indentation.  Here `- e` is treated as a paragraph continuation
 line, because it is indented more than three spaces:
 
 ```````````````````````````````` example
@@ -5257,7 +5616,7 @@ So is this, with a empty second item:
 ````````````````````````````````
 
 
-These are loose lists, even though there is no space between the items,
+These are loose lists, even though there are no blank lines between the items,
 because one of the items directly contains two block-level elements
 with a blank line between them:
 
@@ -5265,585 +5624,246 @@ with a blank line between them:
 - a
 - b
 
-  c
-- d
-.
-<ul>
-<li>
-<p>a</p>
-</li>
-<li>
-<p>b</p>
-<p>c</p>
-</li>
-<li>
-<p>d</p>
-</li>
-</ul>
-````````````````````````````````
-
-
-```````````````````````````````` example
-- a
-- b
-
-  [ref]: /url
-- d
-.
-<ul>
-<li>
-<p>a</p>
-</li>
-<li>
-<p>b</p>
-</li>
-<li>
-<p>d</p>
-</li>
-</ul>
-````````````````````````````````
-
-
-This is a tight list, because the blank lines are in a code block:
-
-```````````````````````````````` example
-- a
-- ```
-  b
-
-
-  ```
-- c
-.
-<ul>
-<li>a</li>
-<li>
-<pre><code>b
-
-
-</code></pre>
-</li>
-<li>c</li>
-</ul>
-````````````````````````````````
-
-
-This is a tight list, because the blank line is between two
-paragraphs of a sublist.  So the sublist is loose while
-the outer list is tight:
-
-```````````````````````````````` example
-- a
-  - b
-
-    c
-- d
-.
-<ul>
-<li>a
-<ul>
-<li>
-<p>b</p>
-<p>c</p>
-</li>
-</ul>
-</li>
-<li>d</li>
-</ul>
-````````````````````````````````
-
-
-This is a tight list, because the blank line is inside the
-block quote:
-
-```````````````````````````````` example
-* a
-  > b
-  >
-* c
-.
-<ul>
-<li>a
-<blockquote>
-<p>b</p>
-</blockquote>
-</li>
-<li>c</li>
-</ul>
-````````````````````````````````
-
-
-This list is tight, because the consecutive block elements
-are not separated by blank lines:
-
-```````````````````````````````` example
-- a
-  > b
-  ```
-  c
-  ```
-- d
-.
-<ul>
-<li>a
-<blockquote>
-<p>b</p>
-</blockquote>
-<pre><code>c
-</code></pre>
-</li>
-<li>d</li>
-</ul>
-````````````````````````````````
-
-
-A single-paragraph list is tight:
-
-```````````````````````````````` example
-- a
-.
-<ul>
-<li>a</li>
-</ul>
-````````````````````````````````
-
-
-```````````````````````````````` example
-- a
-  - b
-.
-<ul>
-<li>a
-<ul>
-<li>b</li>
-</ul>
-</li>
-</ul>
-````````````````````````````````
-
-
-This list is loose, because of the blank line between the
-two block elements in the list item:
-
-```````````````````````````````` example
-1. ```
-   foo
-   ```
-
-   bar
-.
-<ol>
-<li>
-<pre><code>foo
-</code></pre>
-<p>bar</p>
-</li>
-</ol>
-````````````````````````````````
-
-
-Here the outer list is loose, the inner list tight:
-
-```````````````````````````````` example
-* foo
-  * bar
-
-  baz
-.
-<ul>
-<li>
-<p>foo</p>
-<ul>
-<li>bar</li>
-</ul>
-<p>baz</p>
-</li>
-</ul>
-````````````````````````````````
-
-
-```````````````````````````````` example
-- a
-  - b
-  - c
-
-- d
-  - e
-  - f
-.
-<ul>
-<li>
-<p>a</p>
-<ul>
-<li>b</li>
-<li>c</li>
-</ul>
-</li>
-<li>
-<p>d</p>
-<ul>
-<li>e</li>
-<li>f</li>
-</ul>
-</li>
-</ul>
-````````````````````````````````
-
-
-# Inlines
-
-Inlines are parsed sequentially from the beginning of the character
-stream to the end (left to right, in left-to-right languages).
-Thus, for example, in
-
-```````````````````````````````` example
-`hi`lo`
-.
-<p><code>hi</code>lo`</p>
-````````````````````````````````
-
-`hi` is parsed as code, leaving the backtick at the end as a literal
-backtick.
-
-
-## Backslash escapes
-
-Any ASCII punctuation character may be backslash-escaped:
-
-```````````````````````````````` example
-\!\"\#\$\%\&\'\(\)\*\+\,\-\.\/\:\;\<\=\>\?\@\[\\\]\^\_\`\{\|\}\~
-.
-<p>!&quot;#$%&amp;'()*+,-./:;&lt;=&gt;?@[\]^_`{|}~</p>
-````````````````````````````````
-
-
-Backslashes before other characters are treated as literal
-backslashes:
-
-```````````````````````````````` example
-\→\A\a\ \3\φ\«
-.
-<p>\→\A\a\ \3\φ\«</p>
-````````````````````````````````
-
-
-Escaped characters are treated as regular characters and do
-not have their usual Markdown meanings:
-
-```````````````````````````````` example
-\*not emphasized*
-\<br/> not a tag
-\[not a link](/foo)
-\`not code`
-1\. not a list
-\* not a list
-\# not a heading
-\[foo]: /url "not a reference"
-\&ouml; not a character entity
-.
-<p>*not emphasized*
-&lt;br/&gt; not a tag
-[not a link](/foo)
-`not code`
-1. not a list
-* not a list
-# not a heading
-[foo]: /url &quot;not a reference&quot;
-&amp;ouml; not a character entity</p>
-````````````````````````````````
-
-
-If a backslash is itself escaped, the following character is not:
-
-```````````````````````````````` example
-\\*emphasis*
-.
-<p>\<em>emphasis</em></p>
-````````````````````````````````
-
-
-A backslash at the end of the line is a [hard line break]:
-
-```````````````````````````````` example
-foo\
-bar
-.
-<p>foo<br />
-bar</p>
-````````````````````````````````
-
-
-Backslash escapes do not work in code blocks, code spans, autolinks, or
-raw HTML:
-
-```````````````````````````````` example
-`` \[\` ``
-.
-<p><code>\[\`</code></p>
-````````````````````````````````
-
-
-```````````````````````````````` example
-    \[\]
-.
-<pre><code>\[\]
-</code></pre>
-````````````````````````````````
-
-
-```````````````````````````````` example
-~~~
-\[\]
-~~~
-.
-<pre><code>\[\]
-</code></pre>
-````````````````````````````````
-
-
-```````````````````````````````` example
-<http://example.com?find=\*>
-.
-<p><a href="http://example.com?find=%5C*">http://example.com?find=\*</a></p>
-````````````````````````````````
-
-
-```````````````````````````````` example
-<a href="/bar\/)">
-.
-<a href="/bar\/)">
-````````````````````````````````
-
-
-But they work in all other contexts, including URLs and link titles,
-link references, and [info strings] in [fenced code blocks]:
-
-```````````````````````````````` example
-[foo](/bar\* "ti\*tle")
-.
-<p><a href="/bar*" title="ti*tle">foo</a></p>
-````````````````````````````````
-
-
-```````````````````````````````` example
-[foo]
-
-[foo]: /bar\* "ti\*tle"
-.
-<p><a href="/bar*" title="ti*tle">foo</a></p>
-````````````````````````````````
-
-
-```````````````````````````````` example
-``` foo\+bar
-foo
-```
-.
-<pre><code class="language-foo+bar">foo
-</code></pre>
-````````````````````````````````
-
-
-
-## Entity and numeric character references
-
-Valid HTML entity references and numeric character references
-can be used in place of the corresponding Unicode character,
-with the following exceptions:
-
-- Entity and character references are not recognized in code
-  blocks and code spans.
-
-- Entity and character references cannot stand in place of
-  special characters that define structural elements in
-  CommonMark.  For example, although `&#42;` can be used
-  in place of a literal `*` character, `&#42;` cannot replace
-  `*` in emphasis delimiters, bullet list markers, or thematic
-  breaks.
-
-Conforming CommonMark parsers need not store information about
-whether a particular character was represented in the source
-using a Unicode character or an entity reference.
-
-[Entity references](@) consist of `&` + any of the valid
-HTML5 entity names + `;`. The
-document <https://html.spec.whatwg.org/multipage/entities.json>
-is used as an authoritative source for the valid entity
-references and their corresponding code points.
-
-```````````````````````````````` example
-&nbsp; &amp; &copy; &AElig; &Dcaron;
-&frac34; &HilbertSpace; &DifferentialD;
-&ClockwiseContourIntegral; &ngE;
-.
-<p>  &amp; © Æ Ď
-¾ ℋ ⅆ
-∲ ≧̸</p>
-````````````````````````````````
-
-
-[Decimal numeric character
-references](@)
-consist of `&#` + a string of 1--7 arabic digits + `;`. A
-numeric character reference is parsed as the corresponding
-Unicode character. Invalid Unicode code points will be replaced by
-the REPLACEMENT CHARACTER (`U+FFFD`).  For security reasons,
-the code point `U+0000` will also be replaced by `U+FFFD`.
-
-```````````````````````````````` example
-&#35; &#1234; &#992; &#0;
-.
-<p># Ӓ Ϡ �</p>
-````````````````````````````````
-
-
-[Hexadecimal numeric character
-references](@) consist of `&#` +
-either `X` or `x` + a string of 1-6 hexadecimal digits + `;`.
-They too are parsed as the corresponding Unicode character (this
-time specified with a hexadecimal numeral instead of decimal).
-
-```````````````````````````````` example
-&#X22; &#XD06; &#xcab;
+  c
+- d
 .
-<p>&quot; ആ ಫ</p>
+<ul>
+<li>
+<p>a</p>
+</li>
+<li>
+<p>b</p>
+<p>c</p>
+</li>
+<li>
+<p>d</p>
+</li>
+</ul>
 ````````````````````````````````
 
 
-Here are some nonentities:
-
 ```````````````````````````````` example
-&nbsp &x; &#; &#x;
-&#987654321;
-&#abcdef0;
-&ThisIsNotDefined; &hi?;
+- a
+- b
+
+  [ref]: /url
+- d
 .
-<p>&amp;nbsp &amp;x; &amp;#; &amp;#x;
-&amp;#987654321;
-&amp;#abcdef0;
-&amp;ThisIsNotDefined; &amp;hi?;</p>
+<ul>
+<li>
+<p>a</p>
+</li>
+<li>
+<p>b</p>
+</li>
+<li>
+<p>d</p>
+</li>
+</ul>
 ````````````````````````````````
 
 
-Although HTML5 does accept some entity references
-without a trailing semicolon (such as `&copy`), these are not
-recognized here, because it makes the grammar too ambiguous:
+This is a tight list, because the blank lines are in a code block:
 
 ```````````````````````````````` example
-&copy
+- a
+- ```
+  b
+
+
+  ```
+- c
 .
-<p>&amp;copy</p>
+<ul>
+<li>a</li>
+<li>
+<pre><code>b
+
+
+</code></pre>
+</li>
+<li>c</li>
+</ul>
 ````````````````````````````````
 
 
-Strings that are not on the list of HTML5 named entities are not
-recognized as entity references either:
+This is a tight list, because the blank line is between two
+paragraphs of a sublist.  So the sublist is loose while
+the outer list is tight:
 
 ```````````````````````````````` example
-&MadeUpEntity;
+- a
+  - b
+
+    c
+- d
 .
-<p>&amp;MadeUpEntity;</p>
+<ul>
+<li>a
+<ul>
+<li>
+<p>b</p>
+<p>c</p>
+</li>
+</ul>
+</li>
+<li>d</li>
+</ul>
 ````````````````````````````````
 
 
-Entity and numeric character references are recognized in any
-context besides code spans or code blocks, including
-URLs, [link titles], and [fenced code block][] [info strings]:
+This is a tight list, because the blank line is inside the
+block quote:
 
 ```````````````````````````````` example
-<a href="&ouml;&ouml;.html">
+* a
+  > b
+  >
+* c
 .
-<a href="&ouml;&ouml;.html">
+<ul>
+<li>a
+<blockquote>
+<p>b</p>
+</blockquote>
+</li>
+<li>c</li>
+</ul>
 ````````````````````````````````
 
 
+This list is tight, because the consecutive block elements
+are not separated by blank lines:
+
 ```````````````````````````````` example
-[foo](/f&ouml;&ouml; "f&ouml;&ouml;")
+- a
+  > b
+  ```
+  c
+  ```
+- d
 .
-<p><a href="/f%C3%B6%C3%B6" title="föö">foo</a></p>
+<ul>
+<li>a
+<blockquote>
+<p>b</p>
+</blockquote>
+<pre><code>c
+</code></pre>
+</li>
+<li>d</li>
+</ul>
 ````````````````````````````````
 
 
-```````````````````````````````` example
-[foo]
+A single-paragraph list is tight:
 
-[foo]: /f&ouml;&ouml; "f&ouml;&ouml;"
+```````````````````````````````` example
+- a
 .
-<p><a href="/f%C3%B6%C3%B6" title="föö">foo</a></p>
+<ul>
+<li>a</li>
+</ul>
 ````````````````````````````````
 
 
 ```````````````````````````````` example
-``` f&ouml;&ouml;
-foo
-```
+- a
+  - b
 .
-<pre><code class="language-föö">foo
-</code></pre>
+<ul>
+<li>a
+<ul>
+<li>b</li>
+</ul>
+</li>
+</ul>
 ````````````````````````````````
 
 
-Entity and numeric character references are treated as literal
-text in code spans and code blocks:
+This list is loose, because of the blank line between the
+two block elements in the list item:
 
 ```````````````````````````````` example
-`f&ouml;&ouml;`
-.
-<p><code>f&amp;ouml;&amp;ouml;</code></p>
-````````````````````````````````
-
+1. ```
+   foo
+   ```
 
-```````````````````````````````` example
-    f&ouml;f&ouml;
+   bar
 .
-<pre><code>f&amp;ouml;f&amp;ouml;
+<ol>
+<li>
+<pre><code>foo
 </code></pre>
+<p>bar</p>
+</li>
+</ol>
 ````````````````````````````````
 
 
-Entity and numeric character references cannot be used
-in place of symbols indicating structure in CommonMark
-documents.
+Here the outer list is loose, the inner list tight:
 
 ```````````````````````````````` example
-&#42;foo&#42;
-*foo*
+* foo
+  * bar
+
+  baz
 .
-<p>*foo*
-<em>foo</em></p>
+<ul>
+<li>
+<p>foo</p>
+<ul>
+<li>bar</li>
+</ul>
+<p>baz</p>
+</li>
+</ul>
 ````````````````````````````````
 
+
 ```````````````````````````````` example
-&#42; foo
+- a
+  - b
+  - c
 
-* foo
+- d
+  - e
+  - f
 .
-<p>* foo</p>
 <ul>
-<li>foo</li>
+<li>
+<p>a</p>
+<ul>
+<li>b</li>
+<li>c</li>
+</ul>
+</li>
+<li>
+<p>d</p>
+<ul>
+<li>e</li>
+<li>f</li>
+</ul>
+</li>
 </ul>
 ````````````````````````````````
 
-```````````````````````````````` example
-foo&#10;&#10;bar
-.
-<p>foo
 
-bar</p>
-````````````````````````````````
+# Inlines
+
+Inlines are parsed sequentially from the beginning of the character
+stream to the end (left to right, in left-to-right languages).
+Thus, for example, in
 
 ```````````````````````````````` example
-&#9;foo
+`hi`lo`
 .
-<p>→foo</p>
+<p><code>hi</code>lo`</p>
 ````````````````````````````````
 
+`hi` is parsed as code, leaving the backtick at the end as a literal
+backtick.
 
-```````````````````````````````` example
-[a](url &quot;tit&quot;)
-.
-<p>[a](url &quot;tit&quot;)</p>
-````````````````````````````````
 
 
 ## Code spans
@@ -5854,7 +5874,7 @@ preceded nor followed by a backtick.
 
 A [code span](@) begins with a backtick string and ends with
 a backtick string of equal length.  The contents of the code span are
-the characters between the two backtick strings, normalized in the
+the characters between these two backtick strings, normalized in the
 following ways:
 
 - First, [line endings] are converted to [spaces].
@@ -6133,17 +6153,17 @@ a non-backslash-escaped `_` character.
 
 A [left-flanking delimiter run](@) is
 a [delimiter run] that is (1) not followed by [Unicode whitespace],
-and either (2a) not followed by a [punctuation character], or
-(2b) followed by a [punctuation character] and
-preceded by [Unicode whitespace] or a [punctuation character].
+and either (2a) not followed by a [Unicode punctuation character], or
+(2b) followed by a [Unicode punctuation character] and
+preceded by [Unicode whitespace] or a [Unicode punctuation character].
 For purposes of this definition, the beginning and the end of
 the line count as Unicode whitespace.
 
 A [right-flanking delimiter run](@) is
 a [delimiter run] that is (1) not preceded by [Unicode whitespace],
-and either (2a) not preceded by a [punctuation character], or
-(2b) preceded by a [punctuation character] and
-followed by [Unicode whitespace] or a [punctuation character].
+and either (2a) not preceded by a [Unicode punctuation character], or
+(2b) preceded by a [Unicode punctuation character] and
+followed by [Unicode whitespace] or a [Unicode punctuation character].
 For purposes of this definition, the beginning and the end of
 the line count as Unicode whitespace.
 
@@ -6198,7 +6218,7 @@ The following rules define emphasis and strong emphasis:
     it is part of a [left-flanking delimiter run]
     and either (a) not part of a [right-flanking delimiter run]
     or (b) part of a [right-flanking delimiter run]
-    preceded by punctuation.
+    preceded by a [Unicode punctuation character].
 
 3.  A single `*` character [can close emphasis](@)
     iff it is part of a [right-flanking delimiter run].
@@ -6207,7 +6227,7 @@ The following rules define emphasis and strong emphasis:
     it is part of a [right-flanking delimiter run]
     and either (a) not part of a [left-flanking delimiter run]
     or (b) part of a [left-flanking delimiter run]
-    followed by punctuation.
+    followed by a [Unicode punctuation character].
 
 5.  A double `**` [can open strong emphasis](@)
     iff it is part of a [left-flanking delimiter run].
@@ -6216,7 +6236,7 @@ The following rules define emphasis and strong emphasis:
     it is part of a [left-flanking delimiter run]
     and either (a) not part of a [right-flanking delimiter run]
     or (b) part of a [right-flanking delimiter run]
-    preceded by punctuation.
+    preceded by a [Unicode punctuation character].
 
 7.  A double `**` [can close strong emphasis](@)
     iff it is part of a [right-flanking delimiter run].
@@ -6225,7 +6245,7 @@ The following rules define emphasis and strong emphasis:
     it is part of a [right-flanking delimiter run]
     and either (a) not part of a [left-flanking delimiter run]
     or (b) part of a [left-flanking delimiter run]
-    followed by punctuation.
+    followed by a [Unicode punctuation character].
 
 9.  Emphasis begins with a delimiter that [can open emphasis] and ends
     with a delimiter that [can close emphasis], and that uses the same
@@ -6437,7 +6457,7 @@ whitespace:
 ````````````````````````````````
 
 
-A newline also counts as whitespace:
+A line ending also counts as whitespace:
 
 ```````````````````````````````` example
 *foo bar
@@ -6602,7 +6622,7 @@ __ foo bar__
 ````````````````````````````````
 
 
-A newline counts as whitespace:
+A line ending counts as whitespace:
 ```````````````````````````````` example
 __
 foo bar__
@@ -6881,7 +6901,7 @@ emphasis sections in this example:
 
 The same condition ensures that the following
 cases are all strong emphasis nested inside
-emphasis, even when the interior spaces are
+emphasis, even when the interior whitespace is
 omitted:
 
 
@@ -7458,13 +7478,14 @@ following rules apply:
 A [link destination](@) consists of either
 
 - a sequence of zero or more characters between an opening `<` and a
-  closing `>` that contains no line breaks or unescaped
+  closing `>` that contains no line endings or unescaped
   `<` or `>` characters, or
 
-- a nonempty sequence of characters that does not start with
-  `<`, does not include ASCII space or control characters, and
-  includes parentheses only if (a) they are backslash-escaped or
-  (b) they are part of a balanced pair of unescaped parentheses.
+- a nonempty sequence of characters that does not start with `<`,
+  does not include [ASCII control characters][ASCII control character]
+  or [space] character, and includes parentheses only if (a) they are
+  backslash-escaped or (b) they are part of a balanced pair of
+  unescaped parentheses.
   (Implementations may impose limits on parentheses nesting to
   avoid performance issues, but at least three levels of nesting
   should be supported.)
@@ -7487,10 +7508,14 @@ Although [link titles] may span multiple lines, they may not contain
 a [blank line].
 
 An [inline link](@) consists of a [link text] followed immediately
-by a left parenthesis `(`, optional [whitespace], an optional
-[link destination], an optional [link title] separated from the link
-destination by [whitespace], optional [whitespace], and a right
-parenthesis `)`. The link's text consists of the inlines contained
+by a left parenthesis `(`, an optional [link destination], an optional
+[link title], and a right parenthesis `)`.
+These four components may be separated by spaces, tabs, and up to one line
+ending.
+If both [link destination] and [link title] are present, they *must* be
+separated by spaces, tabs, and up to one line ending.
+
+The link's text consists of the inlines contained
 in the [link text] (excluding the enclosing square brackets).
 The link's URI consists of the link destination, excluding enclosing
 `<...>` if present, with backslash-escapes in effect as described
@@ -7507,7 +7532,8 @@ Here is a simple inline link:
 ````````````````````````````````
 
 
-The title may be omitted:
+The title, the link text and even 
+the destination may be omitted:
 
 ```````````````````````````````` example
 [link](/uri)
@@ -7515,8 +7541,12 @@ The title may be omitted:
 <p><a href="/uri">link</a></p>
 ````````````````````````````````
 
+```````````````````````````````` example
+[](./target.md)
+.
+<p><a href="./target.md"></a></p>
+````````````````````````````````
 
-Both the title and the destination may be omitted:
 
 ```````````````````````````````` example
 [link]()
@@ -7531,6 +7561,13 @@ Both the title and the destination may be omitted:
 <p><a href="">link</a></p>
 ````````````````````````````````
 
+
+```````````````````````````````` example
+[]()
+.
+<p><a href=""></a></p>
+````````````````````````````````
+
 The destination can only contain spaces if it is
 enclosed in pointy brackets:
 
@@ -7546,7 +7583,7 @@ enclosed in pointy brackets:
 <p><a href="/my%20uri">link</a></p>
 ````````````````````````````````
 
-The destination cannot contain line breaks,
+The destination cannot contain line endings,
 even if enclosed in pointy brackets:
 
 ```````````````````````````````` example
@@ -7615,6 +7652,13 @@ balanced:
 However, if you have unbalanced parentheses, you need to escape or use the
 `<...>` form:
 
+```````````````````````````````` example
+[link](foo(and(bar))
+.
+<p>[link](foo(and(bar))</p>
+````````````````````````````````
+
+
 ```````````````````````````````` example
 [link](foo\(and\(bar\))
 .
@@ -7714,7 +7758,8 @@ may be used in titles:
 ````````````````````````````````
 
 
-Titles must be separated from the link using a [whitespace].
+Titles must be separated from the link using spaces, tabs, and up to one line
+ending.
 Other [Unicode whitespace] like non-breaking space doesn't work.
 
 ```````````````````````````````` example
@@ -7757,7 +7802,8 @@ titles with no closing quotation mark, though 1.0.2b8 does not.
 It seems preferable to adopt a simple, rational rule that works
 the same way in inline links and link reference definitions.)
 
-[Whitespace] is allowed around the destination and title:
+Spaces, tabs, and up to one line ending is allowed around the destination and
+title:
 
 ```````````````````````````````` example
 [link](   /uri
@@ -7908,7 +7954,8 @@ that [matches] a [link reference definition] elsewhere in the document.
 
 A [link label](@)  begins with a left bracket (`[`) and ends
 with the first right bracket (`]`) that is not backslash-escaped.
-Between these brackets there must be at least one [non-whitespace character].
+Between these brackets there must be at least one character that is not a space,
+tab, or line ending.
 Unescaped square bracket characters are not allowed inside the
 opening and closing square brackets of [link labels].  A link
 label can have at most 999 characters inside the square
@@ -7918,14 +7965,13 @@ One label [matches](@)
 another just in case their normalized forms are equal.  To normalize a
 label, strip off the opening and closing brackets,
 perform the *Unicode case fold*, strip leading and trailing
-[whitespace] and collapse consecutive internal
-[whitespace] to a single space.  If there are multiple
+spaces, tabs, and line endings, and collapse consecutive internal
+spaces, tabs, and line endings to a single space.  If there are multiple
 matching reference link definitions, the one that comes first in the
 document is used.  (It is desirable in such cases to emit a warning.)
 
-The contents of the first link label are parsed as inlines, which are
-used as the link's text.  The link's URI and title are provided by the
-matching [link reference definition].
+The link's URI and title are provided by the matching [link
+reference definition].
 
 Here is a simple example:
 
@@ -8018,11 +8064,11 @@ emphasis grouping:
 
 
 ```````````````````````````````` example
-[foo *bar][ref]
+[foo *bar][ref]*
 
 [ref]: /uri
 .
-<p><a href="/uri">foo *bar</a></p>
+<p><a href="/uri">foo *bar</a>*</p>
 ````````````````````````````````
 
 
@@ -8070,15 +8116,15 @@ Matching is case-insensitive:
 Unicode case fold is used:
 
 ```````````````````````````````` example
-[Толпой][Толпой] is a Russian word.
+[ẞ]
 
-[ТОЛПОЙ]: /url
+[SS]: /url
 .
-<p><a href="/url">Толпой</a> is a Russian word.</p>
+<p><a href="/url">ẞ</a></p>
 ````````````````````````````````
 
 
-Consecutive internal [whitespace] is treated as one space for
+Consecutive internal spaces, tabs, and line endings are treated as one space for
 purposes of determining matching:
 
 ```````````````````````````````` example
@@ -8091,7 +8137,7 @@ purposes of determining matching:
 ````````````````````````````````
 
 
-No [whitespace] is allowed between the [link text] and the
+No spaces, tabs, or line endings are allowed between the [link text] and the
 [link label]:
 
 ```````````````````````````````` example
@@ -8221,7 +8267,8 @@ Note that in this example `]` is not backslash-escaped:
 ````````````````````````````````
 
 
-A [link label] must contain at least one [non-whitespace character]:
+A [link label] must contain at least one character that is not a space, tab, or
+line ending:
 
 ```````````````````````````````` example
 []
@@ -8286,7 +8333,7 @@ The link labels are case-insensitive:
 
 
 
-As with full reference links, [whitespace] is not
+As with full reference links, spaces, tabs, or line endings are not
 allowed between the two sets of brackets:
 
 ```````````````````````````````` example
@@ -8614,7 +8661,7 @@ The labels are case-insensitive:
 ````````````````````````````````
 
 
-As with reference links, [whitespace] is not allowed
+As with reference links, spaces, tabs, and line endings, are not allowed
 between the two sets of brackets:
 
 ```````````````````````````````` example
@@ -8707,9 +8754,9 @@ a link to the URI, with the URI as the link's label.
 
 An [absolute URI](@),
 for these purposes, consists of a [scheme] followed by a colon (`:`)
-followed by zero or more characters other than ASCII
-[whitespace] and control characters, `<`, and `>`.  If
-the URI includes these characters, they must be percent-encoded
+followed by zero or more characters other [ASCII control
+characters][ASCII control character], [space], `<`, and `>`.
+If the URI includes these characters, they must be percent-encoded
 (e.g. `%20` for a space).
 
 For purposes of this spec, a [scheme](@) is any sequence
@@ -8895,7 +8942,7 @@ A [tag name](@) consists of an ASCII letter
 followed by zero or more ASCII letters, digits, or
 hyphens (`-`).
 
-An [attribute](@) consists of [whitespace],
+An [attribute](@) consists of spaces, tabs, and up to one line ending,
 an [attribute name], and an optional
 [attribute value specification].
 
@@ -8905,9 +8952,9 @@ letters, digits, `_`, `.`, `:`, or `-`.  (Note:  This is the XML
 specification restricted to ASCII.  HTML5 is laxer.)
 
 An [attribute value specification](@)
-consists of optional [whitespace],
-a `=` character, optional [whitespace], and an [attribute
-value].
+consists of optional spaces, tabs, and up to one line ending,
+a `=` character, optional spaces, tabs, and up to one line ending,
+and an [attribute value].
 
 An [attribute value](@)
 consists of an [unquoted attribute value],
@@ -8915,7 +8962,7 @@ a [single-quoted attribute value], or a [double-quoted attribute value].
 
 An [unquoted attribute value](@)
 is a nonempty string of characters not
-including [whitespace], `"`, `'`, `=`, `<`, `>`, or `` ` ``.
+including spaces, tabs, line endings, `"`, `'`, `=`, `<`, `>`, or `` ` ``.
 
 A [single-quoted attribute value](@)
 consists of `'`, zero or more
@@ -8926,11 +8973,12 @@ consists of `"`, zero or more
 characters not including `"`, and a final `"`.
 
 An [open tag](@) consists of a `<` character, a [tag name],
-zero or more [attributes], optional [whitespace], an optional `/`
-character, and a `>` character.
+zero or more [attributes], optional spaces, tabs, and up to one line ending,
+an optional `/` character, and a `>` character.
 
 A [closing tag](@) consists of the string `</`, a
-[tag name], optional [whitespace], and the character `>`.
+[tag name], optional spaces, tabs, and up to one line ending, and the character
+`>`.
 
 An [HTML comment](@) consists of `<!--` + *text* + `-->`,
 where *text* does not start with `>` or `->`, does not end with `-`,
@@ -8942,10 +8990,8 @@ consists of the string `<?`, a string
 of characters not including the string `?>`, and the string
 `?>`.
 
-A [declaration](@) consists of the
-string `<!`, a name consisting of one or more uppercase ASCII letters,
-[whitespace], a string of characters not including the
-character `>`, and the character `>`.
+A [declaration](@) consists of the string `<!`, an ASCII letter, zero or more
+characters not including the character `>`, and the character `>`.
 
 A [CDATA section](@) consists of
 the string `<![CDATA[`, a string of characters not including the string
@@ -8973,7 +9019,7 @@ Empty elements:
 ````````````````````````````````
 
 
-[Whitespace] is allowed:
+Whitespace is allowed:
 
 ```````````````````````````````` example
 <a  /><b2
@@ -9031,7 +9077,7 @@ Illegal attribute values:
 ````````````````````````````````
 
 
-Illegal [whitespace]:
+Illegal whitespace:
 
 ```````````````````````````````` example
 < a><
@@ -9046,7 +9092,7 @@ bim!bop /&gt;</p>
 ````````````````````````````````
 
 
-Missing [whitespace]:
+Missing whitespace:
 
 ```````````````````````````````` example
 <a href='bar'title=title>
@@ -9158,7 +9204,7 @@ foo <a href="\*">
 
 ## Hard line breaks
 
-A line break (not in a code span or HTML tag) that is preceded
+A line ending (not in a code span or HTML tag) that is preceded
 by two or more spaces and does not occur at the end of a block
 is parsed as a [hard line break](@) (rendered
 in HTML as a `<br />` tag):
@@ -9173,7 +9219,7 @@ baz</p>
 
 
 For a more visible alternative, a backslash before the
-[line ending] may be used instead of two spaces:
+[line ending] may be used instead of two or more spaces:
 
 ```````````````````````````````` example
 foo\
@@ -9215,7 +9261,7 @@ bar</p>
 ````````````````````````````````
 
 
-Line breaks can occur inside emphasis, links, and other constructs
+Hard line breaks can occur inside emphasis, links, and other constructs
 that allow inline content:
 
 ```````````````````````````````` example
@@ -9236,13 +9282,13 @@ bar</em></p>
 ````````````````````````````````
 
 
-Line breaks do not occur inside code spans
+Hard line breaks do not occur inside code spans
 
 ```````````````````````````````` example
-`code 
+`code  
 span`
 .
-<p><code>code  span</code></p>
+<p><code>code   span</code></p>
 ````````````````````````````````
 
 
@@ -9308,9 +9354,9 @@ foo
 
 ## Soft line breaks
 
-A regular line break (not in a code span or HTML tag) that is not
+A regular line ending (not in a code span or HTML tag) that is not
 preceded by two or more spaces or a backslash is parsed as a
-[softbreak](@).  (A softbreak may be rendered in HTML either as a
+[softbreak](@).  (A soft line break may be rendered in HTML either as a
 [line ending] or as a space. The result will be the same in
 browsers. In the examples here, a [line ending] will be used.)
 
@@ -9336,7 +9382,7 @@ baz</p>
 
 
 A conforming parser may render a soft line break in HTML either as a
-line break or as a space.
+line ending or as a space.
 
 A renderer may also provide an option to render soft line breaks
 as hard line breaks.
@@ -9444,7 +9490,7 @@ blocks.  But we cannot close unmatched blocks yet, because we may have a
 blocks, we look for new block starts (e.g. `>` for a block quote).
 If we encounter a new block start, we close any blocks unmatched
 in step 1 before creating the new block as a child of the last
-matched block.
+matched container block.
 
 3.  Finally, we look at the remainder of the line (after block
 markers like `>`, list markers, and indentation have been consumed).
@@ -9660,8 +9706,9 @@ just above `stack_bottom` (or the first element if `stack_bottom`
 is NULL).
 
 We keep track of the `openers_bottom` for each delimiter
-type (`*`, `_`) and each length of the closing delimiter run
-(modulo 3).  Initialize this to `stack_bottom`.
+type (`*`, `_`), indexed to the length of the closing delimiter run
+(modulo 3) and to whether the closing delimiter can also be an
+opener.  Initialize this to `stack_bottom`.
 
 Then we repeat the following until we run out of potential
 closers:
@@ -9707,4 +9754,3 @@ closers:
 
 After we're done, we remove all delimiters above `stack_bottom` from the
 delimiter stack.
-

From ac4b3e7777160578c8353012c19a96ba8dbdad75 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 28 Jun 2021 11:23:28 +1000
Subject: [PATCH 138/450] Treat textarea like script, pre and style (spec 0.30)

---
 .../main/java/org/commonmark/internal/HtmlBlockParser.java    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
index fa1befa2a..d62e0f3d5 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
@@ -14,8 +14,8 @@ public class HtmlBlockParser extends AbstractBlockParser {
     private static final Pattern[][] BLOCK_PATTERNS = new Pattern[][]{
             {null, null}, // not used (no type 0)
             {
-                    Pattern.compile("^<(?:script|pre|style)(?:\\s|>|$)", Pattern.CASE_INSENSITIVE),
-                    Pattern.compile("</(?:script|pre|style)>", Pattern.CASE_INSENSITIVE)
+                    Pattern.compile("^<(?:script|pre|style|textarea)(?:\\s|>|$)", Pattern.CASE_INSENSITIVE),
+                    Pattern.compile("</(?:script|pre|style|textarea)>", Pattern.CASE_INSENSITIVE)
             },
             {
                     Pattern.compile("^<!--"),

From 2f126d33c589a77a181c0714dbca1fbafcb97a2b Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Tue, 29 Jun 2021 15:11:00 +1000
Subject: [PATCH 139/450] Fix case folding for link reference labels special
 cases (spec 0.30)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The old implementation wasn't handling "ẞ" (uppercase sharp S)
correctly. See https://stackoverflow.com/a/68160923/305973

Also preserve the original label in the LinkReferenceDefinition node.
---
 .../internal/LinkReferenceDefinitionParser.java       |  5 +----
 .../java/org/commonmark/internal/util/Escaping.java   | 11 +++++++++--
 .../internal/LinkReferenceDefinitionParserTest.java   |  4 ++--
 .../test/LinkReferenceDefinitionNodeTest.java         | 10 ++++++++++
 4 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index 3d8e9ab70..2bceb7549 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -26,7 +26,6 @@ public class LinkReferenceDefinitionParser {
     private final List<SourceSpan> sourceSpans = new ArrayList<>();
 
     private StringBuilder label;
-    private String normalizedLabel;
     private String destination;
     private char titleDelimiter;
     private StringBuilder title;
@@ -143,7 +142,6 @@ private boolean label(Scanner scanner) {
                 return false;
             }
 
-            this.normalizedLabel = normalizedLabel;
             state = State.DESTINATION;
 
             scanner.whitespace();
@@ -252,14 +250,13 @@ private void finishReference() {
 
         String d = Escaping.unescapeString(destination);
         String t = title != null ? Escaping.unescapeString(title.toString()) : null;
-        LinkReferenceDefinition definition = new LinkReferenceDefinition(normalizedLabel, d, t);
+        LinkReferenceDefinition definition = new LinkReferenceDefinition(label.toString(), d, t);
         definition.setSourceSpans(sourceSpans);
         sourceSpans.clear();
         definitions.add(definition);
 
         label = null;
         referenceValid = false;
-        normalizedLabel = null;
         destination = null;
         title = null;
     }
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java b/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
index 2b34f6190..ade64d933 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
@@ -113,8 +113,15 @@ public static String percentEncodeUrl(String s) {
 
     public static String normalizeLabelContent(String input) {
         String trimmed = input.trim();
-        String lowercase = trimmed.toLowerCase(Locale.ROOT);
-        return WHITESPACE.matcher(lowercase).replaceAll(" ");
+
+        // This is necessary to correctly case fold "ẞ" to "SS":
+        // "ẞ".toLowerCase(Locale.ROOT)  -> "ß"
+        // "ß".toUpperCase(Locale.ROOT)  -> "SS"
+        // Note that doing upper first (or only upper without lower) wouldn't work because:
+        // "ẞ".toUpperCase(Locale.ROOT)  -> "ẞ"
+        String caseFolded = trimmed.toLowerCase(Locale.ROOT).toUpperCase(Locale.ROOT);
+
+        return WHITESPACE.matcher(caseFolded).replaceAll(" ");
     }
 
     private static String replaceAll(Pattern p, String s, Replacer replacer) {
diff --git a/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java b/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
index d9a67b6fa..b4f57739b 100644
--- a/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
@@ -58,7 +58,7 @@ public void testLabelMultiline() {
         assertEquals(State.DESTINATION, parser.getState());
         parse("/url");
         assertEquals(State.START_TITLE, parser.getState());
-        assertDef(parser.getDefinitions().get(0), "two lines", "/url", null);
+        assertDef(parser.getDefinitions().get(0), "two\nlines", "/url", null);
     }
 
     @Test
@@ -69,7 +69,7 @@ public void testLabelStartsWithNewline() {
         assertEquals(State.DESTINATION, parser.getState());
         parse("/url");
         assertEquals(State.START_TITLE, parser.getState());
-        assertDef(parser.getDefinitions().get(0), "weird", "/url", null);
+        assertDef(parser.getDefinitions().get(0), "\nweird", "/url", null);
     }
 
     @Test
diff --git a/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java b/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java
index 37b3d5dcd..bf7bde6ec 100644
--- a/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java
@@ -105,6 +105,16 @@ public void testDefinitionInListItem2() {
         assertThat(item2.getFirstChild(), instanceOf(Paragraph.class));
     }
 
+    @Test
+    public void testDefinitionLabelCaseIsPreserved() {
+        Node document = parse("This is a paragraph with a [foo] link.\n\n[fOo]: /url 'title'");
+        List<Node> nodes = Nodes.getChildren(document);
+
+        assertThat(nodes.size(), is(2));
+        assertThat(nodes.get(0), instanceOf(Paragraph.class));
+        assertDef(nodes.get(1), "fOo");
+    }
+
     private static Node parse(String input) {
         Parser parser = Parser.builder().build();
         return parser.parse(input);

From 4861cfdcb05b5181028e45145a73557742a5e6dd Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Tue, 29 Jun 2021 15:35:53 +1000
Subject: [PATCH 140/450] Don't let type 7 HTML blocks interrupt lazy
 paragraphs either

They were already special cased to not interrupt normal paragraphs. This
fixes handling of lazy paragraphs, see
https://github.com/commonmark/commonmark.js/issues/213

Add updated regression files too.
---
 .../src/main/resources/cmark-regression.txt   | 39 +++++++++++-
 .../resources/commonmark.js-regression.txt    | 61 ++++++++++++++++++-
 .../commonmark/internal/HtmlBlockParser.java  |  6 +-
 .../commonmark/internal/ListItemParser.java   |  1 +
 .../org/commonmark/test/RegressionTest.java   |  2 +
 .../org/commonmark/test/SpecialInputTest.java | 28 +++++++++
 6 files changed, 132 insertions(+), 5 deletions(-)

diff --git a/commonmark-test-util/src/main/resources/cmark-regression.txt b/commonmark-test-util/src/main/resources/cmark-regression.txt
index 62b1e7efe..5f1dc5e24 100644
--- a/commonmark-test-util/src/main/resources/cmark-regression.txt
+++ b/commonmark-test-util/src/main/resources/cmark-regression.txt
@@ -4,7 +4,8 @@ Issue #113: EOL character weirdness on Windows
 (Important: first line ends with CR + CR + LF)
 
 ```````````````````````````````` example
-line1

+line1
+
 line2
 .
 <p>line1</p>
@@ -154,3 +155,39 @@ Issue #289.
 .
 <p>[a](&lt;b) c&gt;</p>
 ````````````````````````````````
+
+Issue #334 - UTF-8 BOM
+
+```````````````````````````````` example
+# Hi
+.
+<h1>Hi</h1>
+````````````````````````````````
+
+Issue commonmark.js#213 - type 7 blocks can't interrupt
+paragraph
+
+```````````````````````````````` example
+- <script>
+- some text
+some other text
+</script>
+.
+<ul>
+<li>
+<script>
+</li>
+<li>some text
+some other text
+</script></li>
+</ul>
+````````````````````````````````
+
+Issue #383 - emphasis parsing.
+
+```````````````````````````````` example
+*****Hello*world****
+.
+<p>**<em><strong>Hello<em>world</em></strong></em></p>
+````````````````````````````````
+
diff --git a/commonmark-test-util/src/main/resources/commonmark.js-regression.txt b/commonmark-test-util/src/main/resources/commonmark.js-regression.txt
index ec5143eff..16a0e8c35 100644
--- a/commonmark-test-util/src/main/resources/commonmark.js-regression.txt
+++ b/commonmark-test-util/src/main/resources/commonmark.js-regression.txt
@@ -80,7 +80,7 @@ Issue jgm/CommonMark#468 - backslash at end of link definition
 <p>[]: test</p>
 ````````````````````````````````
 
-Issue jgm/commonmark.js#121 - punctuation set different
+Issue commonmark/commonmark.js#121 - punctuation set different
 
 ```````````````````````````````` example
 ^_test_
@@ -122,7 +122,15 @@ Double-encoding.
 ```````````````````````````````` example
 [XSS](javascript&amp;colon;alert%28&#039;XSS&#039;%29)
 .
-<p><a href="javascript&amp;colon;alert('XSS')">XSS</a></p>
+<p><a href="javascript&amp;colon;alert%28'XSS'%29">XSS</a></p>
+````````````````````````````````
+
+PR #179
+
+```````````````````````````````` example
+[link](https://www.example.com/home/%25batty)
+.
+<p><a href="https://www.example.com/home/%25batty">link</a></p>
 ````````````````````````````````
 
 Issue commonamrk#517 - script, pre, style close tag without
@@ -158,4 +166,53 @@ text
 text</p>
 ````````````````````````````````
 
+Issue #196.
+
+```````````````````````````````` example
+a <?
+?>
+.
+<p>a <?
+?></p>
+````````````````````````````````
+
+Issue #211
+
+```````````````````````````````` example
+[\
+foo]: /uri
+
+[\
+foo]
+.
+<p><a href="/uri"><br />
+foo</a></p>
+````````````````````````````````
+
+Issue #213 - type 7 blocks can't interrupt
+paragraph
+
+```````````````````````````````` example
+- <script>
+- some text
+some other text
+</script>
+.
+<ul>
+<li>
+<script>
+</li>
+<li>some text
+some other text
+</script></li>
+</ul>
+````````````````````````````````
+
+Issue cmark/#383 - emphasis parsing.
+
+```````````````````````````````` example
+*****Hello*world****
+.
+<p>**<em><strong>Hello<em>world</em></strong></em></p>
+````````````````````````````````
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
index d62e0f3d5..0e2050567 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
@@ -112,8 +112,10 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
 
             if (state.getIndent() < 4 && line.charAt(nextNonSpace) == '<') {
                 for (int blockType = 1; blockType <= 7; blockType++) {
-                    // Type 7 can not interrupt a paragraph
-                    if (blockType == 7 && matchedBlockParser.getMatchedBlockParser().getBlock() instanceof Paragraph) {
+                    // Type 7 can not interrupt a paragraph (not even a lazy one)
+                    if (blockType == 7 && (
+                            matchedBlockParser.getMatchedBlockParser().getBlock() instanceof Paragraph ||
+                                    state.getActiveBlockParser().canHaveLazyContinuationLines())) {
                         continue;
                     }
                     Pattern opener = BLOCK_PATTERNS[blockType][0];
diff --git a/commonmark/src/main/java/org/commonmark/internal/ListItemParser.java b/commonmark/src/main/java/org/commonmark/internal/ListItemParser.java
index 96b086dab..6f03770b3 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ListItemParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ListItemParser.java
@@ -66,6 +66,7 @@ public BlockContinue tryContinue(ParserState state) {
         if (state.getIndent() >= contentIndent) {
             return BlockContinue.atColumn(state.getColumn() + contentIndent);
         } else {
+            // Note: We'll hit this case for lazy continuation lines, they will get added later.
             return BlockContinue.none();
         }
     }
diff --git a/commonmark/src/test/java/org/commonmark/test/RegressionTest.java b/commonmark/src/test/java/org/commonmark/test/RegressionTest.java
index c4a0d3be5..94b3a7439 100644
--- a/commonmark/src/test/java/org/commonmark/test/RegressionTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/RegressionTest.java
@@ -64,6 +64,8 @@ private static Map<String, String> getOverriddenExamples() {
         // The only difference is that we don't change `%28` and `%29` to `(` and `)` (percent encoding is preserved)
         m.put("[XSS](javascript&amp;colon;alert%28&#039;XSS&#039;%29)\n",
                 "<p><a href=\"javascript&amp;colon;alert%28'XSS'%29\">XSS</a></p>\n");
+        // Callers should handle BOMs
+        m.put("\uFEFF# Hi\n", "<p>\uFEFF# Hi</p>\n");
 
         return m;
     }
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
index 002b146a9..8eba1dfe3 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
@@ -183,4 +183,32 @@ public void unicodePunctuationEmphasis() {
         // Note that currently the reference implementation doesn't implement this correctly (resulting in no <em>).
         assertRendering("foo\uD809\uDC70_(bar)_", "<p>foo\uD809\uDC70<em>(bar)</em></p>\n");
     }
+
+    @Test
+    public void htmlBlockInterruptingList() {
+        assertRendering("- <script>\n" +
+                "- some text\n" +
+                "some other text\n" +
+                "</script>\n", "<ul>\n" +
+                "<li>\n" +
+                "<script>\n" +
+                "</li>\n" +
+                "<li>some text\n" +
+                "some other text\n" +
+                "</script></li>\n" +
+                "</ul>\n");
+
+        assertRendering("- <script>\n" +
+                "- some text\n" +
+                "some other text\n" +
+                "\n" +
+                "</script>\n", "<ul>\n" +
+                "<li>\n" +
+                "<script>\n" +
+                "</li>\n" +
+                "<li>some text\n" +
+                "some other text</li>\n" +
+                "</ul>\n" +
+                "</script>\n");
+    }
 }

From 4ca7a5981a4cb57a5376120d1fa325e312bad81c Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Tue, 29 Jun 2021 15:57:01 +1000
Subject: [PATCH 141/450] Allow lowercase ASCII in HTML declaration (spec 0.30)

See https://github.com/commonmark/commonmark-spec/issues/620
---
 .../commonmark/internal/inline/HtmlInlineParser.java   | 10 ++++------
 .../java/org/commonmark/test/HtmlInlineParserTest.java |  3 +++
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index ba992e2fd..605901c22 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -24,8 +24,6 @@ public class HtmlInlineParser implements InlineContentParser {
             .c('"').c('\'').c('=').c('<').c('>').c('`')
             .build();
 
-    private static final AsciiMatcher declaration = AsciiMatcher.builder().range('A', 'Z').build();
-
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
@@ -58,7 +56,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
                 if (tryCdata(scanner)) {
                     return htmlInline(start, scanner);
                 }
-            } else if (declaration.matches(c)) {
+            } else if (asciiLetter.matches(c)) {
                 if (tryDeclaration(scanner)) {
                     return htmlInline(start, scanner);
                 }
@@ -187,9 +185,9 @@ private static boolean tryCdata(Scanner scanner) {
     }
 
     private static boolean tryDeclaration(Scanner scanner) {
-        // spec: A declaration consists of the string <!, a name consisting of one or more uppercase ASCII letters,
-        // whitespace, a string of characters not including the character >, and the character >.
-        scanner.match(declaration);
+        // spec: A declaration consists of the string <!, an ASCII letter, zero or more characters not including
+        // the character >, and the character >.
+        scanner.match(asciiLetter);
         if (scanner.whitespace() <= 0) {
             return false;
         }
diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java
index 0a406778b..0172ca430 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java
@@ -23,5 +23,8 @@ public void declaration() {
         assertRendering("inline <!FOO>", "<p>inline &lt;!FOO&gt;</p>\n");
         assertRendering("inline <!FOO >", "<p>inline <!FOO ></p>\n");
         assertRendering("inline <!FOO 'bar'>", "<p>inline <!FOO 'bar'></p>\n");
+
+        // Lowercase
+        assertRendering("inline <!foo bar>", "<p>inline <!foo bar></p>\n");
     }
 }

From 89ec4e2f7c7da6cba6daaada06697178a94c0ce5 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 30 Jun 2021 13:55:47 +1000
Subject: [PATCH 142/450] Prepare for version 0.18.0

Set the version using `mvn versions:set -DnewVersion=0.18.0-SNAPSHOT`.
---
 CHANGELOG.md                             | 14 ++++++++++++++
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 22 +++++++++++-----------
 13 files changed, 36 insertions(+), 22 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18a4adbdb..bdace42c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,19 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [0.18.0] - 2021-06-30
+### Changed
+- Update to CommonMark spec 0.30:
+  - Add `textarea` to list of literal HTML block tags.
+    Like `script`, `style`, and `pre`, `textarea` blocks can contain
+    blank lines without the contents being interpreted as commonmark.
+  - Fix case folding for link reference labels in some cases
+    (e.g. `ẞ` and `SS` should match)
+  - Allow lowercase ASCII in HTML declaration
+  - Don't let type 7 HTML blocks interrupt lazy paragraphs either
+- Preserve the original case for the label of `LinkReferenceDefinition`.
+  Before, we used to store the normalized version (lowercase, collapsed whitespace).
+
 ## [0.17.2] - 2021-05-14
 ### Changed
 - Pass original instead of normalized label to `InlineParserContext` for lookup (#204).
@@ -332,6 +345,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[0.18.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.2...commonmark-parent-0.18.0
 [0.17.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.1...commonmark-parent-0.17.2
 [0.17.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.0...commonmark-parent-0.17.1
 [0.17.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.16.1...commonmark-parent-0.17.0
diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 6e37671d1..8fcf2e60c 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.3-SNAPSHOT</version>
+        <version>0.18.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 632d6b658..79263e772 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.3-SNAPSHOT</version>
+        <version>0.18.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 4b5972d14..cdcd58adb 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.3-SNAPSHOT</version>
+        <version>0.18.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 1efdf1a36..6ce619a6a 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.3-SNAPSHOT</version>
+        <version>0.18.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 7668cfa34..e73d99e69 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.3-SNAPSHOT</version>
+        <version>0.18.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 20e5ea657..35b0efd6c 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.3-SNAPSHOT</version>
+        <version>0.18.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 9f0cb417d..d3cc20576 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.3-SNAPSHOT</version>
+        <version>0.18.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 699b7fc47..9b21607f9 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.17.3-SNAPSHOT</version>
+        <version>0.18.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 9426113a6..671980ad2 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.3-SNAPSHOT</version>
+        <version>0.18.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 2f1786617..3ff80e776 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.3-SNAPSHOT</version>
+        <version>0.18.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index ea3736c01..061affe05 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.17.3-SNAPSHOT</version>
+        <version>0.18.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 6eb07e941..a88a47914 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.17.3-SNAPSHOT</version>
+    <version>0.18.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.17.3-SNAPSHOT</version>
+                <version>0.18.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.17.3-SNAPSHOT</version>
+                <version>0.18.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.17.3-SNAPSHOT</version>
+                <version>0.18.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.17.3-SNAPSHOT</version>
+                <version>0.18.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.17.3-SNAPSHOT</version>
+                <version>0.18.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.17.3-SNAPSHOT</version>
+                <version>0.18.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.17.3-SNAPSHOT</version>
+                <version>0.18.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.17.3-SNAPSHOT</version>
+                <version>0.18.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.17.3-SNAPSHOT</version>
+                <version>0.18.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.17.3-SNAPSHOT</version>
+                <version>0.18.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From d92a9f9b7fd8d713b8f296be6c6ed82abfe01985 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Thu, 1 Jul 2021 01:00:43 +0000
Subject: [PATCH 143/450] [maven-release-plugin] prepare release
 commonmark-parent-0.18.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 8fcf2e60c..7cacb0604 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0-SNAPSHOT</version>
+        <version>0.18.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 79263e772..ca79840e4 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0-SNAPSHOT</version>
+        <version>0.18.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index cdcd58adb..f7988bfd8 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0-SNAPSHOT</version>
+        <version>0.18.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 6ce619a6a..129253cf0 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0-SNAPSHOT</version>
+        <version>0.18.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index e73d99e69..729f53d22 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0-SNAPSHOT</version>
+        <version>0.18.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 35b0efd6c..e096c5764 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0-SNAPSHOT</version>
+        <version>0.18.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index d3cc20576..58f8292cb 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0-SNAPSHOT</version>
+        <version>0.18.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 9b21607f9..00811e1d5 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.18.0-SNAPSHOT</version>
+        <version>0.18.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 671980ad2..01c0dbf27 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0-SNAPSHOT</version>
+        <version>0.18.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 3ff80e776..53c27919a 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0-SNAPSHOT</version>
+        <version>0.18.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 061affe05..0b7fa2761 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0-SNAPSHOT</version>
+        <version>0.18.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index a88a47914..42f5546f1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.18.0-SNAPSHOT</version>
+    <version>0.18.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.18.0-SNAPSHOT</version>
+                <version>0.18.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.18.0-SNAPSHOT</version>
+                <version>0.18.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.18.0-SNAPSHOT</version>
+                <version>0.18.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.18.0-SNAPSHOT</version>
+                <version>0.18.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.18.0-SNAPSHOT</version>
+                <version>0.18.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.18.0-SNAPSHOT</version>
+                <version>0.18.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.18.0-SNAPSHOT</version>
+                <version>0.18.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.18.0-SNAPSHOT</version>
+                <version>0.18.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.18.0-SNAPSHOT</version>
+                <version>0.18.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.18.0-SNAPSHOT</version>
+                <version>0.18.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.18.0</tag>
     </scm>
 
     <distributionManagement>

From cc1cf2d7832630f08cb6fabb1840ca4f376a4798 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Thu, 1 Jul 2021 01:00:48 +0000
Subject: [PATCH 144/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 7cacb0604..800099472 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0</version>
+        <version>0.18.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index ca79840e4..8c46091e6 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0</version>
+        <version>0.18.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index f7988bfd8..a60428067 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0</version>
+        <version>0.18.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 129253cf0..0aabeb5cc 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0</version>
+        <version>0.18.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 729f53d22..6e8a0135e 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0</version>
+        <version>0.18.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index e096c5764..90f9f221c 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0</version>
+        <version>0.18.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 58f8292cb..6d4586b0c 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0</version>
+        <version>0.18.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 00811e1d5..1cf4fc381 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.18.0</version>
+        <version>0.18.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 01c0dbf27..64a5e8d37 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0</version>
+        <version>0.18.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 53c27919a..ee6c4304f 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0</version>
+        <version>0.18.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 0b7fa2761..02d092eaf 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.0</version>
+        <version>0.18.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 42f5546f1..ae1067e6d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.18.0</version>
+    <version>0.18.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.18.0</version>
+                <version>0.18.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.18.0</version>
+                <version>0.18.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.18.0</version>
+                <version>0.18.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.18.0</version>
+                <version>0.18.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.18.0</version>
+                <version>0.18.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.18.0</version>
+                <version>0.18.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.18.0</version>
+                <version>0.18.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.18.0</version>
+                <version>0.18.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.18.0</version>
+                <version>0.18.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.18.0</version>
+                <version>0.18.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.18.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From 726d36994386a7fd5205157fc554e82f1f4dfa9e Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 1 Jul 2021 11:27:59 +1000
Subject: [PATCH 145/450] README: Bump version

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index d94bd0ee6..41fa61cb1 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.17.2</version>
+    <version>0.18.0</version>
 </dependency>
 ```
 
@@ -233,7 +233,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.16.1</version>
+    <version>0.18.0</version>
 </dependency>
 ```
 

From cb692b91658248fd09a6289206d79c76405ed584 Mon Sep 17 00:00:00 2001
From: Brent Plump <bplump@atlassian.com>
Date: Sat, 4 Sep 2021 15:47:26 +1000
Subject: [PATCH 146/450] Fix tables with leading/trailing header pipes and
 trailing spaces

---
 .../gfm/tables/internal/TableBlockParser.java | 14 ++++--
 .../commonmark/ext/gfm/tables/TablesTest.java | 43 +++++++++++++++++++
 2 files changed, 54 insertions(+), 3 deletions(-)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index a8eedb7a6..a203164d3 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -122,14 +122,22 @@ private TableCell parseCell(SourceLine cell, int column, InlineParser inlinePars
     private static List<SourceLine> split(SourceLine line) {
         CharSequence row = line.getContent();
         int nonSpace = Parsing.skipSpaceTab(row, 0, row.length());
-        int cellStart = row.charAt(nonSpace) == '|' ? nonSpace + 1 : nonSpace;
+        int cellStart = nonSpace;
+        int cellEnd = row.length();
+        if (row.charAt(nonSpace) == '|') {
+            // This row has leading/trailing pipes - skip the leading pipe
+            cellStart = nonSpace + 1;
+            // Strip whitespace from the end but not the pipe or we could miss an empty ("||") cell
+            int nonSpaceEnd = Parsing.skipSpaceTabBackwards(row, row.length() - 1, cellStart + 1);
+            cellEnd = nonSpaceEnd + 1;
+        }
         List<SourceLine> cells = new ArrayList<>();
         StringBuilder sb = new StringBuilder();
-        for (int i = cellStart; i < row.length(); i++) {
+        for (int i = cellStart; i < cellEnd; i++) {
             char c = row.charAt(i);
             switch (c) {
                 case '\\':
-                    if (i + 1 < row.length() && row.charAt(i + 1) == '|') {
+                    if (i + 1 < cellEnd && row.charAt(i + 1) == '|') {
                         // Pipe is special for table parsing. An escaped pipe doesn't result in a new cell, but is
                         // passed down to inline parsing as an unescaped pipe. Note that that applies even for the `\|`
                         // in an input like `\\|` - in other words, table parsing doesn't support escaping backslashes.
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index 2ec36cf16..4d5153213 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -235,6 +235,49 @@ public void pipesOnOutside() {
                 "</table>\n");
     }
 
+    @Test
+    public void pipesOnOutsideWhitespaceAfterHeader() {
+        assertRendering("|Abc|Def| \n|---|---|\n|1|2|", "<table>\n" +
+                "<thead>\n" +
+                "<tr>\n" +
+                "<th>Abc</th>\n" +
+                "<th>Def</th>\n" +
+                "</tr>\n" +
+                "</thead>\n" +
+                "<tbody>\n" +
+                "<tr>\n" +
+                "<td>1</td>\n" +
+                "<td>2</td>\n" +
+                "</tr>\n" +
+                "</tbody>\n" +
+                "</table>\n");
+    }
+
+    @Test
+    public void pipesOnOutsideZeroLengthHeaders() {
+        // This is literally what someone has done IRL - it helped to expose
+        // an issue with parsing the last header cell correctly
+        assertRendering("||center header||\n" +
+                        "-|-------------|-\n" +
+                        "1|      2      |3",
+                "<table>\n" +
+                "<thead>\n" +
+                "<tr>\n" +
+                "<th></th>\n" +
+                "<th>center header</th>\n" +
+                "<th></th>\n" +
+                "</tr>\n" +
+                "</thead>\n" +
+                "<tbody>\n" +
+                "<tr>\n" +
+                "<td>1</td>\n" +
+                "<td>2</td>\n" +
+                "<td>3</td>\n" +
+                "</tr>\n" +
+                "</tbody>\n" +
+                "</table>\n");
+    }
+
     @Test
     public void inlineElements() {
         assertRendering("*Abc*|Def\n---|---\n1|2", "<table>\n" +

From 59a9f4f01bbb240750e839a01c12d852893f004f Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 6 Sep 2021 10:52:26 +1000
Subject: [PATCH 147/450] Changelog for 0.18.1

---
 CHANGELOG.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index bdace42c0..c7eec9b50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [0.18.1] - 2021-09-06
+### Fixed
+- Fix tables with leading/trailing header pipes and trailing spaces (#244).
+  This was a regression in 0.16.1 which is now fixed.
+
 ## [0.18.0] - 2021-06-30
 ### Changed
 - Update to CommonMark spec 0.30:
@@ -345,6 +350,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[0.18.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.0...commonmark-parent-0.18.1
 [0.18.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.2...commonmark-parent-0.18.0
 [0.17.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.1...commonmark-parent-0.17.2
 [0.17.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.0...commonmark-parent-0.17.1

From 607bc35f0686f14f4e9592b1662da36719e9a808 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 6 Sep 2021 15:51:48 +1000
Subject: [PATCH 148/450] Don't release just yet

---
 CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c7eec9b50..d566ccabb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## [0.18.1] - 2021-09-06
+## Unreleased
 ### Fixed
 - Fix tables with leading/trailing header pipes and trailing spaces (#244).
   This was a regression in 0.16.1 which is now fixed.

From 82c200d3e3f9394c7f786e01d2dbe9947f690154 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 29 Nov 2021 12:13:12 +1100
Subject: [PATCH 149/450] Prepare 0.18.1

---
 CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d566ccabb..9cbefdf92 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## Unreleased
+## [0.18.1] - 2021-11-29
 ### Fixed
 - Fix tables with leading/trailing header pipes and trailing spaces (#244).
   This was a regression in 0.16.1 which is now fixed.

From 957688926be166bdacdee1bbc40fcf7ebc5b263d Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Mon, 29 Nov 2021 01:16:26 +0000
Subject: [PATCH 150/450] [maven-release-plugin] prepare release
 commonmark-parent-0.18.1

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 800099472..46876e56e 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 8c46091e6..7d0b9df1e 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index a60428067..3108fb2ef 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 0aabeb5cc..c7db00fcb 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 6e8a0135e..be1f2cb2c 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 90f9f221c..b17d3be1f 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 6d4586b0c..acab5d870 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 1cf4fc381..59bb1e2e7 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.18.1-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 64a5e8d37..0881a000a 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index ee6c4304f..4718bccd3 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 02d092eaf..eb237fd07 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index ae1067e6d..30859341b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.18.1-SNAPSHOT</version>
+    <version>0.18.1</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.18.1-SNAPSHOT</version>
+                <version>0.18.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.18.1-SNAPSHOT</version>
+                <version>0.18.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.18.1-SNAPSHOT</version>
+                <version>0.18.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.18.1-SNAPSHOT</version>
+                <version>0.18.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.18.1-SNAPSHOT</version>
+                <version>0.18.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.18.1-SNAPSHOT</version>
+                <version>0.18.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.18.1-SNAPSHOT</version>
+                <version>0.18.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.18.1-SNAPSHOT</version>
+                <version>0.18.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.18.1-SNAPSHOT</version>
+                <version>0.18.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.18.1-SNAPSHOT</version>
+                <version>0.18.1</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.18.1</tag>
     </scm>
 
     <distributionManagement>

From 3e108fc8d2f2aacbdcbafabaf4131b8fc3495d1c Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Mon, 29 Nov 2021 01:16:27 +0000
Subject: [PATCH 151/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 46876e56e..44f727a84 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1</version>
+        <version>0.18.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 7d0b9df1e..c2064d794 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1</version>
+        <version>0.18.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 3108fb2ef..ca6c0c51f 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1</version>
+        <version>0.18.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index c7db00fcb..317f662f0 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1</version>
+        <version>0.18.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index be1f2cb2c..6f7149e4a 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1</version>
+        <version>0.18.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index b17d3be1f..09dcf5413 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1</version>
+        <version>0.18.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index acab5d870..8ea6ca42f 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1</version>
+        <version>0.18.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 59bb1e2e7..06f16c7c6 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.18.1</version>
+        <version>0.18.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 0881a000a..ea0a33a95 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1</version>
+        <version>0.18.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 4718bccd3..f851aa5f0 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1</version>
+        <version>0.18.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index eb237fd07..529d99126 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.1</version>
+        <version>0.18.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 30859341b..72dff7d7d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.18.1</version>
+    <version>0.18.2-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.18.1</version>
+                <version>0.18.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.18.1</version>
+                <version>0.18.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.18.1</version>
+                <version>0.18.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.18.1</version>
+                <version>0.18.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.18.1</version>
+                <version>0.18.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.18.1</version>
+                <version>0.18.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.18.1</version>
+                <version>0.18.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.18.1</version>
+                <version>0.18.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.18.1</version>
+                <version>0.18.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.18.1</version>
+                <version>0.18.2-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.18.1</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From 889903540b330b595e6fe5eadab80f93307d22f7 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 29 Nov 2021 13:19:58 +1100
Subject: [PATCH 152/450] Bump version in README

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 41fa61cb1..b94758f40 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.18.0</version>
+    <version>0.18.1</version>
 </dependency>
 ```
 
@@ -233,7 +233,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.18.0</version>
+    <version>0.18.1</version>
 </dependency>
 ```
 

From 38461d43bf0dd4788768f2753fee4f0abaac62c1 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 29 Nov 2021 13:34:54 +1100
Subject: [PATCH 153/450] Test against Java 17

---
 .github/workflows/ci.yml | 2 +-
 README.md                | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 19ad24bb0..381d7c73f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [1.8, 11]
+        java: [1.8, 11, 17]
     steps:
       - name: Checkout sources
         uses: actions/checkout@v2
diff --git a/README.md b/README.md
index b94758f40..2bb15b16e 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ full library with a nice API and the following features:
 * Flexible (manipulate the AST after parsing, customize HTML rendering)
 * Extensible (tables, strikethrough, autolinking and more, see below)
 
-The library is supported on Java 8 and Java 9. It should work on Java 7
+The library is supported on Java 8 or later. It should work on Java 7
 and Android too, but that is on a best-effort basis, please report
 problems. For Android the minimum API level is 19, see the
 [commonmark-android-test](commonmark-android-test) directory.

From b78607d6b7b2313ed1a48db1e7168608d123117a Mon Sep 17 00:00:00 2001
From: Egor Andreevich <github@egorand.dev>
Date: Fri, 21 Jan 2022 16:47:51 -0500
Subject: [PATCH 154/450] Change license URL to "https"

Fixes #250
---
 pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index 72dff7d7d..4cf263e54 100644
--- a/pom.xml
+++ b/pom.xml
@@ -264,7 +264,7 @@
     <licenses>
         <license>
             <name>BSD 2-Clause License</name>
-            <url>http://opensource.org/licenses/BSD-2-Clause</url>
+            <url>https://opensource.org/licenses/BSD-2-Clause</url>
             <distribution>repo</distribution>
         </license>
     </licenses>

From 500cc482c30079a95efa920d5fecda4b3dab96bf Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 24 Feb 2022 11:37:16 +1100
Subject: [PATCH 155/450] Add license to artifacts (fixes #253)

Also remove end year from range - apparently it's not necessary, and it
wasn't up to date anyway.
---
 LICENSE.txt                                   |  2 +-
 .../src/main/resources/META-INF/LICENSE.txt   | 23 +++++++++++++++++++
 .../src/main/resources/META-INF/LICENSE.txt   | 23 +++++++++++++++++++
 .../src/main/resources/META-INF/LICENSE.txt   | 23 +++++++++++++++++++
 .../src/main/resources/META-INF/LICENSE.txt   | 23 +++++++++++++++++++
 .../src/main/resources/META-INF/LICENSE.txt   | 23 +++++++++++++++++++
 .../src/main/resources/META-INF/LICENSE.txt   | 23 +++++++++++++++++++
 .../src/main/resources/META-INF/LICENSE.txt   | 23 +++++++++++++++++++
 .../src/main/resources/META-INF/LICENSE.txt   | 23 +++++++++++++++++++
 .../src/main/resources/META-INF/LICENSE.txt   | 23 +++++++++++++++++++
 .../src/main/resources/META-INF/LICENSE.txt   | 23 +++++++++++++++++++
 .../src/main/resources/META-INF/LICENSE.txt   | 23 +++++++++++++++++++
 12 files changed, 254 insertions(+), 1 deletion(-)
 create mode 100644 commonmark-ext-autolink/src/main/resources/META-INF/LICENSE.txt
 create mode 100644 commonmark-ext-gfm-strikethrough/src/main/resources/META-INF/LICENSE.txt
 create mode 100644 commonmark-ext-gfm-tables/src/main/resources/META-INF/LICENSE.txt
 create mode 100644 commonmark-ext-heading-anchor/src/main/resources/META-INF/LICENSE.txt
 create mode 100644 commonmark-ext-image-attributes/src/main/resources/META-INF/LICENSE.txt
 create mode 100644 commonmark-ext-ins/src/main/resources/META-INF/LICENSE.txt
 create mode 100644 commonmark-ext-task-list-items/src/main/resources/META-INF/LICENSE.txt
 create mode 100644 commonmark-ext-yaml-front-matter/src/main/resources/META-INF/LICENSE.txt
 create mode 100644 commonmark-integration-test/src/main/resources/META-INF/LICENSE.txt
 create mode 100644 commonmark-test-util/src/main/resources/META-INF/LICENSE.txt
 create mode 100644 commonmark/src/main/resources/META-INF/LICENSE.txt

diff --git a/LICENSE.txt b/LICENSE.txt
index 1e011418e..b09e367ce 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,4 +1,4 @@
-Copyright (c) 2015-2016, Atlassian Pty Ltd
+Copyright (c) 2015, Atlassian Pty Ltd
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/commonmark-ext-autolink/src/main/resources/META-INF/LICENSE.txt b/commonmark-ext-autolink/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark-ext-autolink/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/commonmark-ext-gfm-strikethrough/src/main/resources/META-INF/LICENSE.txt b/commonmark-ext-gfm-strikethrough/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark-ext-gfm-strikethrough/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/commonmark-ext-gfm-tables/src/main/resources/META-INF/LICENSE.txt b/commonmark-ext-gfm-tables/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark-ext-gfm-tables/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/commonmark-ext-heading-anchor/src/main/resources/META-INF/LICENSE.txt b/commonmark-ext-heading-anchor/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark-ext-heading-anchor/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/commonmark-ext-image-attributes/src/main/resources/META-INF/LICENSE.txt b/commonmark-ext-image-attributes/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark-ext-image-attributes/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/commonmark-ext-ins/src/main/resources/META-INF/LICENSE.txt b/commonmark-ext-ins/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark-ext-ins/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/commonmark-ext-task-list-items/src/main/resources/META-INF/LICENSE.txt b/commonmark-ext-task-list-items/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark-ext-task-list-items/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/commonmark-ext-yaml-front-matter/src/main/resources/META-INF/LICENSE.txt b/commonmark-ext-yaml-front-matter/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark-ext-yaml-front-matter/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/commonmark-integration-test/src/main/resources/META-INF/LICENSE.txt b/commonmark-integration-test/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark-integration-test/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/commonmark-test-util/src/main/resources/META-INF/LICENSE.txt b/commonmark-test-util/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark-test-util/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/commonmark/src/main/resources/META-INF/LICENSE.txt b/commonmark/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

From adae79c1fc6b78d1edd792d27bc8b4a297154c4f Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 24 Feb 2022 11:59:41 +1100
Subject: [PATCH 156/450] Prepare for 0.18.2

---
 CHANGELOG.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9cbefdf92..bc3b7a332 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [0.18.2] - 2022-02-24
+### Changed
+- Test against Java 17
+- Bundle LICENSE.txt with artifacts (in addition to Maven metadata)
+
 ## [0.18.1] - 2021-11-29
 ### Fixed
 - Fix tables with leading/trailing header pipes and trailing spaces (#244).
@@ -350,6 +355,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[0.18.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.1...commonmark-parent-0.18.2
 [0.18.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.0...commonmark-parent-0.18.1
 [0.18.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.2...commonmark-parent-0.18.0
 [0.17.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.1...commonmark-parent-0.17.2

From 32f4f8992cb09316eda71e2d9da3f2ac325d4507 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Thu, 24 Feb 2022 01:02:08 +0000
Subject: [PATCH 157/450] [maven-release-plugin] prepare release
 commonmark-parent-0.18.2

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 44f727a84..e0286dbe5 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2-SNAPSHOT</version>
+        <version>0.18.2</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index c2064d794..70580fda4 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2-SNAPSHOT</version>
+        <version>0.18.2</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index ca6c0c51f..e87f59e8e 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2-SNAPSHOT</version>
+        <version>0.18.2</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 317f662f0..7a1689064 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2-SNAPSHOT</version>
+        <version>0.18.2</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 6f7149e4a..00a202d4d 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2-SNAPSHOT</version>
+        <version>0.18.2</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 09dcf5413..e9c27c1c9 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2-SNAPSHOT</version>
+        <version>0.18.2</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 8ea6ca42f..3c9714d83 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2-SNAPSHOT</version>
+        <version>0.18.2</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 06f16c7c6..b112b1e23 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.18.2-SNAPSHOT</version>
+        <version>0.18.2</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index ea0a33a95..9bff723d5 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2-SNAPSHOT</version>
+        <version>0.18.2</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index f851aa5f0..95921bf8e 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2-SNAPSHOT</version>
+        <version>0.18.2</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 529d99126..afd8c50c7 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2-SNAPSHOT</version>
+        <version>0.18.2</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 4cf263e54..795175e18 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.18.2-SNAPSHOT</version>
+    <version>0.18.2</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.18.2-SNAPSHOT</version>
+                <version>0.18.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.18.2-SNAPSHOT</version>
+                <version>0.18.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.18.2-SNAPSHOT</version>
+                <version>0.18.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.18.2-SNAPSHOT</version>
+                <version>0.18.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.18.2-SNAPSHOT</version>
+                <version>0.18.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.18.2-SNAPSHOT</version>
+                <version>0.18.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.18.2-SNAPSHOT</version>
+                <version>0.18.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.18.2-SNAPSHOT</version>
+                <version>0.18.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.18.2-SNAPSHOT</version>
+                <version>0.18.2</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.18.2-SNAPSHOT</version>
+                <version>0.18.2</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.18.2</tag>
     </scm>
 
     <distributionManagement>

From 77784467b62c48fb291ef65d905fede1c02f89b2 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Thu, 24 Feb 2022 01:02:10 +0000
Subject: [PATCH 158/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index e0286dbe5..d0e2fde4b 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 70580fda4..0aa109c76 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index e87f59e8e..2126aefde 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 7a1689064..93ebe809a 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 00a202d4d..ab45201cf 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index e9c27c1c9..5865a1797 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 3c9714d83..1f4085b08 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index b112b1e23..42ac850a6 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 9bff723d5..f0fe2d50b 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 95921bf8e..0c7f33024 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index afd8c50c7..0f6696b7a 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.2</version>
+        <version>0.18.3-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 795175e18..e227723c5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.18.2</version>
+    <version>0.18.3-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.18.2</version>
+                <version>0.18.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.18.2</version>
+                <version>0.18.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.18.2</version>
+                <version>0.18.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.18.2</version>
+                <version>0.18.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.18.2</version>
+                <version>0.18.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.18.2</version>
+                <version>0.18.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.18.2</version>
+                <version>0.18.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.18.2</version>
+                <version>0.18.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.18.2</version>
+                <version>0.18.3-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.18.2</version>
+                <version>0.18.3-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.18.2</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From 4785decaba4bc38d8666353464af23ee74e1bf21 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 1 Jun 2022 14:43:15 +1000
Subject: [PATCH 159/450] YAML front matter: Limited support for single/double
 quoted strings

Extend our manual parser to handle string values that use single or
double quotes. The support is limited and doesn't implement the full
YAML spec (e.g. no support for escapes like `\n`).

At some point we should either depend on a real YAML parser or expose
the raw YAML source so that users can parse it themselves.

Fixes #260.
---
 CHANGELOG.md                                  |   5 +
 .../internal/YamlFrontMatterBlockParser.java  |  28 ++++-
 .../ext/front/matter/YamlFrontMatterTest.java | 115 ++++++++----------
 3 files changed, 83 insertions(+), 65 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc3b7a332..9761edb2f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## Unreleased
+### Added
+- YAML front matter extension: Limited support for single and double
+  quoted string values (#260)
+
 ## [0.18.2] - 2022-02-24
 ### Changed
 - Test against Java 17
diff --git a/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java b/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
index e9d0901b6..2010b4f71 100644
--- a/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
+++ b/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
@@ -61,10 +61,11 @@ public BlockContinue tryContinue(ParserState parserState) {
             inLiteral = false;
             currentKey = matcher.group(1);
             currentValues = new ArrayList<>();
-            if ("|".equals(matcher.group(2))) {
+            String value = matcher.group(2);
+            if ("|".equals(value)) {
                 inLiteral = true;
-            } else if (!"".equals(matcher.group(2))) {
-                currentValues.add(matcher.group(2));
+            } else if (!"".equals(value)) {
+                currentValues.add(parseString(value));
             }
 
             return BlockContinue.atIndex(parserState.getIndex());
@@ -81,7 +82,8 @@ public BlockContinue tryContinue(ParserState parserState) {
             } else {
                 matcher = REGEX_METADATA_LIST.matcher(line);
                 if (matcher.matches()) {
-                    currentValues.add(matcher.group(1));
+                    String value = matcher.group(1);
+                    currentValues.add(parseString(value));
                 }
             }
 
@@ -93,6 +95,24 @@ public BlockContinue tryContinue(ParserState parserState) {
     public void parseInlines(InlineParser inlineParser) {
     }
 
+    private static String parseString(String s) {
+        // Limited parsing of https://yaml.org/spec/1.2.2/#73-flow-scalar-styles
+        // We assume input is well-formed and otherwise treat it as a plain string. In a real
+        // parser, e.g. `'foo` would be invalid because it's missing a trailing `'`.
+        if (s.startsWith("'") && s.endsWith("'")) {
+            String inner = s.substring(1, s.length() - 1);
+            return inner.replace("''", "'");
+        } else if (s.startsWith("\"") && s.endsWith("\"")) {
+            String inner = s.substring(1, s.length() - 1);
+            // Only support escaped `\` and `"`, nothing else.
+            return inner
+                    .replace("\\\"", "\"")
+                    .replace("\\\\", "\\");
+        } else {
+            return s;
+        }
+    }
+
     public static class Factory extends AbstractBlockParserFactory {
         @Override
         public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
diff --git a/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java b/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
index 251b1c15f..a5f203b97 100644
--- a/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
+++ b/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
@@ -30,11 +30,7 @@ public void simpleValue() {
                 "\ngreat";
         final String rendered = "<p>great</p>\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertEquals(1, data.size());
         assertEquals("hello", data.keySet().iterator().next());
@@ -53,11 +49,7 @@ public void emptyValue() {
                 "\ngreat";
         final String rendered = "<p>great</p>\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertEquals(1, data.size());
         assertEquals("key", data.keySet().iterator().next());
@@ -77,11 +69,7 @@ public void listValues() {
                 "\ngreat";
         final String rendered = "<p>great</p>\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertEquals(1, data.size());
         assertTrue(data.containsKey("list"));
@@ -103,11 +91,7 @@ public void literalValue1() {
                 "\ngreat";
         final String rendered = "<p>great</p>\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertEquals(1, data.size());
         assertTrue(data.containsKey("literal"));
@@ -127,11 +111,7 @@ public void literalValue2() {
                 "\ngreat";
         final String rendered = "<p>great</p>\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertEquals(1, data.size());
         assertTrue(data.containsKey("literal"));
@@ -156,11 +136,7 @@ public void complexValues() {
                 "\ngreat";
         final String rendered = "<p>great</p>\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertEquals(3, data.size());
 
@@ -187,11 +163,7 @@ public void empty() {
                 "test";
         final String rendered = "<p>test</p>\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertTrue(data.isEmpty());
 
@@ -207,11 +179,7 @@ public void yamlInParagraph() {
                 "\n---";
         final String rendered = "<h1>hello</h1>\n<h2>hello markdown world!</h2>\n<h2>hello: world</h2>\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertTrue(data.isEmpty());
 
@@ -226,11 +194,7 @@ public void yamlOnSecondLine() {
                 "\n---";
         final String rendered = "<p>hello</p>\n<hr />\n<h2>hello: world</h2>\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertTrue(data.isEmpty());
 
@@ -243,11 +207,7 @@ public void nonMatchedStartTag() {
                 "test";
         final String rendered = "<hr />\n<p>test</p>\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertTrue(data.isEmpty());
 
@@ -261,11 +221,7 @@ public void inList() {
                 "test";
         final String rendered = "<ul>\n<li>\n<hr />\n<hr />\n</li>\n</ul>\n<p>test</p>\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertTrue(data.isEmpty());
 
@@ -310,7 +266,7 @@ public void nodesCanBeModified() {
         assertTrue(data.containsKey("see"));
         assertEquals(Collections.singletonList("you"), data.get("see"));
     }
-    
+
     @Test
     public void dotInKeys() {
         final String input = "---" +
@@ -318,11 +274,7 @@ public void dotInKeys() {
                 "\n---" +
                 "\n";
 
-        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
-        Node document = PARSER.parse(input);
-        document.accept(visitor);
-
-        Map<String, List<String>> data = visitor.getData();
+        Map<String, List<String>> data = getFrontMatter(input);
 
         assertEquals(1, data.size());
         assertEquals("ms.author", data.keySet().iterator().next());
@@ -330,11 +282,52 @@ public void dotInKeys() {
         assertEquals("author", data.get("ms.author").get(0));
     }
 
+    @Test
+    public void singleQuotedLiterals() {
+        final String input = "---" +
+                "\nstring: 'It''s me'" +
+                "\nlist:" +
+                "\n  - 'I''m here'" +
+                "\n---" +
+                "\n";
+
+        Map<String, List<String>> data = getFrontMatter(input);
+
+        assertEquals(2, data.size());
+        assertEquals("It's me", data.get("string").get(0));
+        assertEquals("I'm here", data.get("list").get(0));
+    }
+
+    @Test
+    public void doubleQuotedLiteral() {
+        final String input = "---" +
+                "\nstring: \"backslash: \\\\ quote: \\\"\"" +
+                "\nlist:" +
+                "\n  - \"hey\"" +
+                "\n---" +
+                "\n";
+
+        Map<String, List<String>> data = getFrontMatter(input);
+
+        assertEquals(2, data.size());
+        assertEquals("backslash: \\ quote: \"", data.get("string").get(0));
+        assertEquals("hey", data.get("list").get(0));
+    }
+
     @Override
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));
     }
 
+    private Map<String, List<String>> getFrontMatter(String input) {
+        YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
+        Node document = PARSER.parse(input);
+        document.accept(visitor);
+
+        Map<String, List<String>> data = visitor.getData();
+        return data;
+    }
+
     // Custom node for tests
     private static class TestNode extends CustomNode {
     }

From 9f31262540daab3cf78106643b613599c0957fc6 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 2 Jun 2022 15:35:54 +1000
Subject: [PATCH 160/450] Check arg of enabledBlockTypes when building parser
 instead of NPE later

Came up in #258.
---
 CHANGELOG.md                                          |  2 ++
 .../java/org/commonmark/internal/DocumentParser.java  |  8 ++++++++
 .../src/main/java/org/commonmark/parser/Parser.java   |  1 +
 .../src/test/java/org/commonmark/test/ParserTest.java | 11 +++++++----
 4 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9761edb2f..a6524b713 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ with the exception that 0.x versions can break between minor versions.
 ### Added
 - YAML front matter extension: Limited support for single and double
   quoted string values (#260)
+### Changed
+- Check argument of `enabledBlockTypes` when building parser instead of NPEing later
 
 ## [0.18.2] - 2022-02-24
 ### Changed
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index ed8ae7412..086c3dbc0 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -98,6 +98,14 @@ public static List<BlockParserFactory> calculateBlockParserFactories(List<BlockP
         return list;
     }
 
+    public static void checkEnabledBlockTypes(Set<Class<? extends Block>> enabledBlockTypes) {
+        for (Class<? extends Block> enabledBlockType : enabledBlockTypes) {
+            if (!NODES_TO_CORE_FACTORIES.containsKey(enabledBlockType)) {
+                throw new IllegalArgumentException("Can't enable block type " + enabledBlockType + ", possible options are: " + NODES_TO_CORE_FACTORIES.keySet());
+            }
+        }
+    }
+
     /**
      * The main parsing function. Returns a parsed document AST.
      */
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 63cebb2eb..89cdd584c 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -176,6 +176,7 @@ public Builder enabledBlockTypes(Set<Class<? extends Block>> enabledBlockTypes)
             if (enabledBlockTypes == null) {
                 throw new NullPointerException("enabledBlockTypes must not be null");
             }
+            DocumentParser.checkEnabledBlockTypes(enabledBlockTypes);
             this.enabledBlockTypes = enabledBlockTypes;
             return this;
         }
diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index e486750aa..9a91aa40a 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -11,10 +11,7 @@
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.nio.charset.Charset;
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
+import java.util.*;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -75,6 +72,12 @@ public void enabledBlockTypes() {
         assertThat(document.getFirstChild(), not(instanceOf(Heading.class)));
     }
 
+    @Test(expected = IllegalArgumentException.class)
+    public void enabledBlockTypesThrowsWhenGivenUnknownClass() {
+        // BulletList can't be enabled separately at the moment, only all ListBlock types
+        Parser.builder().enabledBlockTypes(new HashSet<>(Arrays.asList(Heading.class, BulletList.class))).build();
+    }
+
     @Test
     public void indentation() {
         String given = " - 1 space\n   - 3 spaces\n     - 5 spaces\n\t - tab + space";

From a5d5a03724804ef203a6e081c832d5435cec9b76 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 2 Jun 2022 15:51:22 +1000
Subject: [PATCH 161/450] Prepare for version 0.19.0

Set the version using `mvn versions:set -DnewVersion=0.19.0-SNAPSHOT`
---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 22 +++++++++++-----------
 12 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index d0e2fde4b..bc77e11ea 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.3-SNAPSHOT</version>
+        <version>0.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 0aa109c76..27671a2b5 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.3-SNAPSHOT</version>
+        <version>0.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 2126aefde..ffe6a52fd 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.3-SNAPSHOT</version>
+        <version>0.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 93ebe809a..ed92654b2 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.3-SNAPSHOT</version>
+        <version>0.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index ab45201cf..53a1cda32 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.3-SNAPSHOT</version>
+        <version>0.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 5865a1797..9c88bbb16 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.3-SNAPSHOT</version>
+        <version>0.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 1f4085b08..4023c6ce2 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.3-SNAPSHOT</version>
+        <version>0.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 42ac850a6..118c53411 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.18.3-SNAPSHOT</version>
+        <version>0.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index f0fe2d50b..01909f351 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.3-SNAPSHOT</version>
+        <version>0.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 0c7f33024..22ad7098f 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.3-SNAPSHOT</version>
+        <version>0.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 0f6696b7a..5c380c059 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.18.3-SNAPSHOT</version>
+        <version>0.19.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index e227723c5..ceb351dd2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.18.3-SNAPSHOT</version>
+    <version>0.19.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.18.3-SNAPSHOT</version>
+                <version>0.19.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.18.3-SNAPSHOT</version>
+                <version>0.19.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.18.3-SNAPSHOT</version>
+                <version>0.19.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.18.3-SNAPSHOT</version>
+                <version>0.19.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.18.3-SNAPSHOT</version>
+                <version>0.19.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.18.3-SNAPSHOT</version>
+                <version>0.19.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.18.3-SNAPSHOT</version>
+                <version>0.19.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.18.3-SNAPSHOT</version>
+                <version>0.19.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.18.3-SNAPSHOT</version>
+                <version>0.19.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.18.3-SNAPSHOT</version>
+                <version>0.19.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From ca53e5a41f699e0760b7202c215346229d777f80 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 2 Jun 2022 15:52:30 +1000
Subject: [PATCH 162/450] CHANGELOG for 0.19.0

---
 CHANGELOG.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a6524b713..cdfb65043 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## Unreleased
+## [0.19.0] - 2022-06-02
 ### Added
 - YAML front matter extension: Limited support for single and double
   quoted string values (#260)
@@ -362,6 +362,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[0.19.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.2...commonmark-parent-0.19.0
 [0.18.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.1...commonmark-parent-0.18.2
 [0.18.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.0...commonmark-parent-0.18.1
 [0.18.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.17.2...commonmark-parent-0.18.0

From 5103c0f22cb027c8fdda2a672bc5120428379d9a Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Thu, 2 Jun 2022 05:56:31 +0000
Subject: [PATCH 163/450] [maven-release-plugin] prepare release
 commonmark-parent-0.19.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index bc77e11ea..6085d83d9 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.19.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 27671a2b5..fa7fede1e 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.19.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index ffe6a52fd..98b5a6ebb 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.19.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index ed92654b2..0e885c2ad 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.19.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 53a1cda32..f21c14f98 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.19.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 9c88bbb16..5f5b57d40 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.19.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 4023c6ce2..427f00a89 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.19.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 118c53411..616c425c0 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.19.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 01909f351..ebb01fc45 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.19.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 22ad7098f..f167c79af 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.19.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 5c380c059..0eebfc42d 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.19.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index ceb351dd2..d75b53dd0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.19.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.19.0-SNAPSHOT</version>
+                <version>0.19.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.19.0-SNAPSHOT</version>
+                <version>0.19.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.19.0-SNAPSHOT</version>
+                <version>0.19.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.19.0-SNAPSHOT</version>
+                <version>0.19.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.19.0-SNAPSHOT</version>
+                <version>0.19.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.19.0-SNAPSHOT</version>
+                <version>0.19.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.19.0-SNAPSHOT</version>
+                <version>0.19.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.19.0-SNAPSHOT</version>
+                <version>0.19.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.19.0-SNAPSHOT</version>
+                <version>0.19.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.19.0-SNAPSHOT</version>
+                <version>0.19.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.19.0</tag>
     </scm>
 
     <distributionManagement>

From f64be6ee6fab6b6b0363cbe92135d8b3b3f80924 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Thu, 2 Jun 2022 05:56:32 +0000
Subject: [PATCH 164/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 6085d83d9..0daa389b4 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0</version>
+        <version>0.19.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index fa7fede1e..bd97e0704 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0</version>
+        <version>0.19.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 98b5a6ebb..52e75ac90 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0</version>
+        <version>0.19.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 0e885c2ad..c1785404a 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0</version>
+        <version>0.19.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index f21c14f98..adf29d35b 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0</version>
+        <version>0.19.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 5f5b57d40..279eef082 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0</version>
+        <version>0.19.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 427f00a89..72f9dfa71 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0</version>
+        <version>0.19.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 616c425c0..a88af6a46 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.19.0</version>
+        <version>0.19.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index ebb01fc45..4bbd14f58 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0</version>
+        <version>0.19.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index f167c79af..543d701c1 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0</version>
+        <version>0.19.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 0eebfc42d..36c3c2459 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.0</version>
+        <version>0.19.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index d75b53dd0..10328eef9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.19.0</version>
+    <version>0.19.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.19.0</version>
+                <version>0.19.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.19.0</version>
+                <version>0.19.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.19.0</version>
+                <version>0.19.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.19.0</version>
+                <version>0.19.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.19.0</version>
+                <version>0.19.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.19.0</version>
+                <version>0.19.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.19.0</version>
+                <version>0.19.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.19.0</version>
+                <version>0.19.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.19.0</version>
+                <version>0.19.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.19.0</version>
+                <version>0.19.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.19.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From bce67594596200dc4f7dc482effd1290db6575e2 Mon Sep 17 00:00:00 2001
From: Taeik Lim <sibera21@gmail.com>
Date: Wed, 10 Aug 2022 22:40:16 +0900
Subject: [PATCH 165/450] README: Bump version

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 2bb15b16e..3e7546be2 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.18.1</version>
+    <version>0.19.0</version>
 </dependency>
 ```
 
@@ -233,7 +233,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.18.1</version>
+    <version>0.19.0</version>
 </dependency>
 ```
 

From 7584f008900752cd9a539d2ac0d216b848eb2a4b Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Tue, 18 Oct 2022 18:29:18 +1100
Subject: [PATCH 166/450] Fix GFM table parser to handle dangling pipe
 correctly (fixes #255)

---
 CHANGELOG.md                                  |  6 ++
 .../gfm/tables/internal/TableBlockParser.java | 18 ++++-
 .../commonmark/ext/gfm/tables/TablesTest.java | 73 +++++++++++++++----
 3 files changed, 78 insertions(+), 19 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index cdfb65043..9a8f1b2ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [Unreleased]
+### Fixed
+- A single pipe (optional whitespace) now ends a table instead of crashing or
+  being treated as an empty row, for consistency with GitHub (#255).
+
 ## [0.19.0] - 2022-06-02
 ### Added
 - YAML front matter extension: Limited support for single and double
@@ -362,6 +367,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
+[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.19.0...HEAD
 [0.19.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.2...commonmark-parent-0.19.0
 [0.18.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.1...commonmark-parent-0.18.2
 [0.18.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.0...commonmark-parent-0.18.1
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index a203164d3..b7cea14db 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -19,6 +19,8 @@ public class TableBlockParser extends AbstractBlockParser {
     private final List<SourceLine> rowLines = new ArrayList<>();
     private final List<TableCell.Alignment> columns;
 
+    private boolean canHaveLazyContinuationLines = true;
+
     private TableBlockParser(List<TableCell.Alignment> columns, SourceLine headerLine) {
         this.columns = columns;
         this.rowLines.add(headerLine);
@@ -26,7 +28,7 @@ private TableBlockParser(List<TableCell.Alignment> columns, SourceLine headerLin
 
     @Override
     public boolean canHaveLazyContinuationLines() {
-        return true;
+        return canHaveLazyContinuationLines;
     }
 
     @Override
@@ -36,7 +38,17 @@ public Block getBlock() {
 
     @Override
     public BlockContinue tryContinue(ParserState state) {
-        if (Parsing.find('|', state.getLine().getContent(), 0) != -1) {
+        CharSequence content = state.getLine().getContent();
+        int pipe = Parsing.find('|', content, state.getNextNonSpaceIndex());
+        if (pipe != -1) {
+            if (pipe == state.getNextNonSpaceIndex()) {
+                // If we *only* have a pipe character (and whitespace), that is not a valid table row and ends the table.
+                if (Parsing.skipSpaceTab(content, pipe + 1, content.length()) == content.length()) {
+                    // We also don't want the pipe to be added via lazy continuation.
+                    canHaveLazyContinuationLines = false;
+                    return BlockContinue.none();
+                }
+            }
             return BlockContinue.atIndex(state.getIndex());
         } else {
             return BlockContinue.none();
@@ -128,7 +140,7 @@ private static List<SourceLine> split(SourceLine line) {
             // This row has leading/trailing pipes - skip the leading pipe
             cellStart = nonSpace + 1;
             // Strip whitespace from the end but not the pipe or we could miss an empty ("||") cell
-            int nonSpaceEnd = Parsing.skipSpaceTabBackwards(row, row.length() - 1, cellStart + 1);
+            int nonSpaceEnd = Parsing.skipSpaceTabBackwards(row, row.length() - 1, cellStart);
             cellEnd = nonSpaceEnd + 1;
         }
         List<SourceLine> cells = new ArrayList<>();
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index 4d5153213..bef3b8b6c 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -261,21 +261,21 @@ public void pipesOnOutsideZeroLengthHeaders() {
                         "-|-------------|-\n" +
                         "1|      2      |3",
                 "<table>\n" +
-                "<thead>\n" +
-                "<tr>\n" +
-                "<th></th>\n" +
-                "<th>center header</th>\n" +
-                "<th></th>\n" +
-                "</tr>\n" +
-                "</thead>\n" +
-                "<tbody>\n" +
-                "<tr>\n" +
-                "<td>1</td>\n" +
-                "<td>2</td>\n" +
-                "<td>3</td>\n" +
-                "</tr>\n" +
-                "</tbody>\n" +
-                "</table>\n");
+                        "<thead>\n" +
+                        "<tr>\n" +
+                        "<th></th>\n" +
+                        "<th>center header</th>\n" +
+                        "<th></th>\n" +
+                        "</tr>\n" +
+                        "</thead>\n" +
+                        "<tbody>\n" +
+                        "<tr>\n" +
+                        "<td>1</td>\n" +
+                        "<td>2</td>\n" +
+                        "<td>3</td>\n" +
+                        "</tr>\n" +
+                        "</tbody>\n" +
+                        "</table>\n");
     }
 
     @Test
@@ -664,6 +664,47 @@ public void issue142() {
                         "</table>\n");
     }
 
+    @Test
+    public void danglingPipe() {
+        assertRendering("Abc|Def\n" +
+                "---|---\n" +
+                "1|2\n" +
+                "|", "<table>\n" +
+                "<thead>\n" +
+                "<tr>\n" +
+                "<th>Abc</th>\n" +
+                "<th>Def</th>\n" +
+                "</tr>\n" +
+                "</thead>\n" +
+                "<tbody>\n" +
+                "<tr>\n" +
+                "<td>1</td>\n" +
+                "<td>2</td>\n" +
+                "</tr>\n" +
+                "</tbody>\n" +
+                "</table>\n" +
+                "<p>|</p>\n");
+
+        assertRendering("Abc|Def\n" +
+                "---|---\n" +
+                "1|2\n" +
+                "  |  ", "<table>\n" +
+                "<thead>\n" +
+                "<tr>\n" +
+                "<th>Abc</th>\n" +
+                "<th>Def</th>\n" +
+                "</tr>\n" +
+                "</thead>\n" +
+                "<tbody>\n" +
+                "<tr>\n" +
+                "<td>1</td>\n" +
+                "<td>2</td>\n" +
+                "</tr>\n" +
+                "</tbody>\n" +
+                "</table>\n" +
+                "<p>|</p>\n");
+    }
+
     @Test
     public void attributeProviderIsApplied() {
         AttributeProviderFactory factory = new AttributeProviderFactory() {
@@ -718,7 +759,7 @@ public void sourceSpans() {
 
         TableBlock block = (TableBlock) document.getFirstChild();
         assertEquals(Arrays.asList(SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 7),
-                SourceSpan.of(2, 0, 4), SourceSpan.of(3, 0, 8), SourceSpan.of(4, 0, 3)),
+                        SourceSpan.of(2, 0, 4), SourceSpan.of(3, 0, 8), SourceSpan.of(4, 0, 3)),
                 block.getSourceSpans());
 
         TableHead head = (TableHead) block.getFirstChild();

From afb31c80deb5fc0fbf15b62ef2093ad12e165c41 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 19 Oct 2022 15:38:23 +1100
Subject: [PATCH 167/450] Move GFM spec out of tables ext, test strikethrough
 as well

All tests passing already (there's not many).
---
 .../strikethrough/StrikethroughSpecTest.java  | 46 +++++++++++++++++++
 .../ext/gfm/tables/TablesSpecTest.java        |  9 +---
 .../commonmark/testutil/TestResources.java    |  4 ++
 .../testutil/example/ExampleReader.java       | 11 +++++
 .../src/main}/resources/gfm-spec.txt          |  3 +-
 etc/update-spec.sh                            |  2 +-
 6 files changed, 64 insertions(+), 11 deletions(-)
 create mode 100644 commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java
 rename {commonmark-ext-gfm-tables/src/test => commonmark-test-util/src/main}/resources/gfm-spec.txt (99%)

diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java
new file mode 100644
index 000000000..4b907cf41
--- /dev/null
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java
@@ -0,0 +1,46 @@
+package org.commonmark.ext.gfm.strikethrough;
+
+import org.commonmark.Extension;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.testutil.RenderingTestCase;
+import org.commonmark.testutil.TestResources;
+import org.commonmark.testutil.example.Example;
+import org.commonmark.testutil.example.ExampleReader;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+@RunWith(Parameterized.class)
+public class StrikethroughSpecTest extends RenderingTestCase {
+
+    private static final Set<Extension> EXTENSIONS = Collections.singleton(StrikethroughExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
+
+    private final Example example;
+
+    public StrikethroughSpecTest(Example example) {
+        this.example = example;
+    }
+
+    @Parameters(name = "{0}")
+    public static List<Object[]> data() {
+        return ExampleReader.readExampleObjects(TestResources.getGfmSpec(), "strikethrough");
+    }
+
+    @Test
+    public void testHtmlRendering() {
+        assertRendering(example.getSource(), example.getHtml());
+    }
+
+    @Override
+    protected String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+}
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java
index 12c806e32..00fc61401 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java
@@ -32,14 +32,7 @@ public TablesSpecTest(Example example) {
 
     @Parameters(name = "{0}")
     public static List<Object[]> data() {
-        List<Example> examples = ExampleReader.readExamples(TestResources.class.getResource("/gfm-spec.txt"));
-        List<Object[]> data = new ArrayList<>();
-        for (Example example : examples) {
-            if (example.getInfo().contains("table")) {
-                data.add(new Object[]{example});
-            }
-        }
-        return data;
+        return ExampleReader.readExampleObjects(TestResources.getGfmSpec(), "table");
     }
 
     @Test
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java
index 8f6f5c071..ac4d3f1c2 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java
@@ -14,6 +14,10 @@ public static URL getSpec() {
         return TestResources.class.getResource("/spec.txt");
     }
 
+    public static URL getGfmSpec() {
+        return TestResources.class.getResource("/gfm-spec.txt");
+    }
+
     public static List<URL> getRegressions() {
         return Arrays.asList(
                 TestResources.class.getResource("/cmark-regression.txt"),
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java
index 0972a227f..e93d2e07c 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java
@@ -42,6 +42,17 @@ public static List<Example> readExamples(URL url) {
         }
     }
 
+    public static List<Object[]> readExampleObjects(URL url, String info) {
+        List<Example> examples = readExamples(url);
+        List<Object[]> data = new ArrayList<>();
+        for (Example example : examples) {
+            if (example.getInfo().contains(info)) {
+                data.add(new Object[]{example});
+            }
+        }
+        return data;
+    }
+
     public static List<String> readExampleSources(URL url) {
         List<Example> examples = ExampleReader.readExamples(url);
         List<String> result = new ArrayList<>();
diff --git a/commonmark-ext-gfm-tables/src/test/resources/gfm-spec.txt b/commonmark-test-util/src/main/resources/gfm-spec.txt
similarity index 99%
rename from commonmark-ext-gfm-tables/src/test/resources/gfm-spec.txt
rename to commonmark-test-util/src/main/resources/gfm-spec.txt
index 582131d70..170276156 100644
--- a/commonmark-ext-gfm-tables/src/test/resources/gfm-spec.txt
+++ b/commonmark-test-util/src/main/resources/gfm-spec.txt
@@ -2077,7 +2077,7 @@ followed by one of the strings (case-insensitive) `address`,
 `h1`, `h2`, `h3`, `h4`, `h5`, `h6`, `head`, `header`, `hr`,
 `html`, `iframe`, `legend`, `li`, `link`, `main`, `menu`, `menuitem`,
 `nav`, `noframes`, `ol`, `optgroup`, `option`, `p`, `param`,
-`section`, `source`, `summary`, `table`, `tbody`, `td`,
+`section`, `summary`, `table`, `tbody`, `td`,
 `tfoot`, `th`, `thead`, `title`, `tr`, `track`, `ul`, followed
 by [whitespace], the end of the line, the string `>`, or
 the string `/>`.\
@@ -10224,4 +10224,3 @@ closers:
 
 After we're done, we remove all delimiters above `stack_bottom` from the
 delimiter stack.
-
diff --git a/etc/update-spec.sh b/etc/update-spec.sh
index d4930438e..0f9def8b3 100755
--- a/etc/update-spec.sh
+++ b/etc/update-spec.sh
@@ -7,7 +7,7 @@ fi
 
 version=$1
 curl -L "https://raw.githubusercontent.com/commonmark/commonmark-spec/$version/spec.txt" -o commonmark-test-util/src/main/resources/spec.txt
-curl -L "https://raw.githubusercontent.com/github/cmark-gfm/master/test/spec.txt" -o commonmark-ext-gfm-tables/src/test/resources/gfm-spec.txt
+curl -L "https://raw.githubusercontent.com/github/cmark-gfm/master/test/spec.txt" -o commonmark-test-util/src/main/resources/gfm-spec.txt
 
 echo "Check cmark and commonmark.js regression.txt:"
 echo "https://github.com/commonmark/cmark/blob/master/test/regression.txt"

From 4ad649fcbff254a59ac511c5607c317770e25274 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 19 Oct 2022 15:43:01 +1100
Subject: [PATCH 168/450] Adjust GFM strikethrough parsing (fixes #267)

We used to accept 2 or more tildes for strikethrough. But GitHub
actually accepts a single tilde as well, but rejects more than 2 tildes.
This brings our implementation more in line with GitHub's.
---
 CHANGELOG.md                                  |  8 ++++++--
 .../StrikethroughDelimiterProcessor.java      | 12 ++++++------
 .../gfm/strikethrough/StrikethroughTest.java  | 19 +++++++++----------
 3 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a8f1b2ca..a95d92e5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,8 +8,12 @@ with the exception that 0.x versions can break between minor versions.
 
 ## [Unreleased]
 ### Fixed
-- A single pipe (optional whitespace) now ends a table instead of crashing or
-  being treated as an empty row, for consistency with GitHub (#255).
+- GitHub tables: A single pipe (optional whitespace) now ends a table
+  instead of crashing or being treated as an empty row, for consistency
+  with GitHub (#255).
+- GitHub strikethrough: A single tilde now also works, and more than two
+  tildes are not accepted anymore. This brings us in line with what
+  GitHub actually does, which is a bit underspecified (#267)
 
 ## [0.19.0] - 2022-06-02
 ### Added
diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
index 7d54eedf2..a26953d28 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
@@ -22,13 +22,13 @@ public char getClosingCharacter() {
 
     @Override
     public int getMinLength() {
-        return 2;
+        return 1;
     }
 
     @Override
     public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
-        if (openingRun.length() >= 2 && closingRun.length() >= 2) {
-            // Use exactly two delimiters even if we have more, and don't care about internal openers/closers.
+        if (openingRun.length() == closingRun.length() && openingRun.length() <= 2) {
+            // GitHub only accepts either one or two delimiters, but not a mix or more than that.
 
             Text opener = openingRun.getOpener();
 
@@ -36,19 +36,19 @@ public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
             Node strikethrough = new Strikethrough();
 
             SourceSpans sourceSpans = new SourceSpans();
-            sourceSpans.addAllFrom(openingRun.getOpeners(2));
+            sourceSpans.addAllFrom(openingRun.getOpeners(openingRun.length()));
 
             for (Node node : Nodes.between(opener, closingRun.getCloser())) {
                 strikethrough.appendChild(node);
                 sourceSpans.addAll(node.getSourceSpans());
             }
 
-            sourceSpans.addAllFrom(closingRun.getClosers(2));
+            sourceSpans.addAllFrom(closingRun.getClosers(closingRun.length()));
             strikethrough.setSourceSpans(sourceSpans.getSourceSpans());
 
             opener.insertAfter(strikethrough);
 
-            return 2;
+            return openingRun.length();
         } else {
             return 0;
         }
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
index e2e3b95c4..76cf929e9 100644
--- a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
@@ -26,12 +26,12 @@ public class StrikethroughTest extends RenderingTestCase {
             .extensions(EXTENSIONS).build();
 
     @Test
-    public void oneTildeIsNotEnough() {
-        assertRendering("~foo~", "<p>~foo~</p>\n");
+    public void oneTildeIsEnough() {
+        assertRendering("~foo~", "<p><del>foo</del></p>\n");
     }
 
     @Test
-    public void twoTildesYay() {
+    public void twoTildesWorksToo() {
         assertRendering("~~foo~~", "<p><del>foo</del></p>\n");
     }
 
@@ -48,23 +48,22 @@ public void unmatched() {
 
     @Test
     public void threeInnerThree() {
-        assertRendering("a ~~~foo~~~", "<p>a ~<del>foo</del>~</p>\n");
+        assertRendering("a ~~~foo~~~", "<p>a ~~~foo~~~</p>\n");
     }
 
     @Test
     public void twoInnerThree() {
-        assertRendering("~~foo~~~", "<p><del>foo</del>~</p>\n");
+        assertRendering("~~foo~~~", "<p>~~foo~~~</p>\n");
     }
 
     @Test
     public void tildesInside() {
         assertRendering("~~foo~bar~~", "<p><del>foo~bar</del></p>\n");
         assertRendering("~~foo~~bar~~", "<p><del>foo</del>bar~~</p>\n");
-        assertRendering("~~foo~~~bar~~", "<p><del>foo</del>~bar~~</p>\n");
-        assertRendering("~~foo~~~~bar~~", "<p><del>foo</del><del>bar</del></p>\n");
-        assertRendering("~~foo~~~~~bar~~", "<p><del>foo</del>~<del>bar</del></p>\n");
-        assertRendering("~~foo~~~~~~bar~~", "<p><del>foo</del>~~<del>bar</del></p>\n");
-        assertRendering("~~foo~~~~~~~bar~~", "<p><del>foo</del>~~~<del>bar</del></p>\n");
+        assertRendering("~~foo~~~bar~~", "<p><del>foo~~~bar</del></p>\n");
+        assertRendering("~~foo~~~~bar~~", "<p><del>foo~~~~bar</del></p>\n");
+        assertRendering("~~foo~~~~~bar~~", "<p><del>foo~~~~~bar</del></p>\n");
+        assertRendering("~~foo~~~~~~bar~~", "<p><del>foo~~~~~~bar</del></p>\n");
     }
 
     @Test

From 2e03eb57fe89898492721d87f1db906cc44410df Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Wed, 19 Oct 2022 22:42:10 +1100
Subject: [PATCH 169/450] Fix autolink extension to handle source spans
 correctly (fixes #209)

It didn't set any source spans on the Link nodes before, and even worse,
dropped source spans of the existing Text node (even if there were no
links).
---
 CHANGELOG.md                                  |  1 +
 .../internal/AutolinkPostProcessor.java       | 50 +++++++++++-----
 .../commonmark/ext/autolink/AutolinkTest.java | 60 +++++++++++++++++++
 3 files changed, 96 insertions(+), 15 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a95d92e5d..76d74b8b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ with the exception that 0.x versions can break between minor versions.
 - GitHub strikethrough: A single tilde now also works, and more than two
   tildes are not accepted anymore. This brings us in line with what
   GitHub actually does, which is a bit underspecified (#267)
+- The autolink extension now handles source spans correctly (#209)
 
 ## [0.19.0] - 2022-06-02
 ### Added
diff --git a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
index 0f94d5902..e00692158 100644
--- a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
+++ b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
@@ -1,16 +1,13 @@
 package org.commonmark.ext.autolink.internal;
 
-import org.commonmark.node.AbstractVisitor;
-import org.commonmark.node.Link;
-import org.commonmark.node.Node;
-import org.commonmark.node.Text;
+import org.commonmark.node.*;
 import org.commonmark.parser.PostProcessor;
 import org.nibor.autolink.LinkExtractor;
 import org.nibor.autolink.LinkSpan;
 import org.nibor.autolink.LinkType;
 import org.nibor.autolink.Span;
 
-import java.util.EnumSet;
+import java.util.*;
 
 public class AutolinkPostProcessor implements PostProcessor {
 
@@ -25,26 +22,49 @@ public Node process(Node node) {
         return node;
     }
 
-    private void linkify(Text textNode) {
-        String literal = textNode.getLiteral();
+    private void linkify(Text originalTextNode) {
+        String literal = originalTextNode.getLiteral();
 
-        Node lastNode = textNode;
+        Node lastNode = originalTextNode;
+        List<SourceSpan> sourceSpans = originalTextNode.getSourceSpans();
+        SourceSpan sourceSpan = sourceSpans.size() == 1 ? sourceSpans.get(0) : null;
 
-        for (Span span : linkExtractor.extractSpans(literal)) {
-            String text = literal.substring(span.getBeginIndex(), span.getEndIndex());
+        Iterator<Span> spans = linkExtractor.extractSpans(literal).iterator();
+        while (spans.hasNext()) {
+            Span span = spans.next();
+
+            if (lastNode == originalTextNode && !spans.hasNext() && !(span instanceof LinkSpan)) {
+                // Didn't find any links, don't bother changing existing node.
+                return;
+            }
+
+            Text textNode = createTextNode(literal, span, sourceSpan);
             if (span instanceof LinkSpan) {
-                String destination = getDestination((LinkSpan) span, text);
-                Text contentNode = new Text(text);
+                String destination = getDestination((LinkSpan) span, textNode.getLiteral());
+
                 Link linkNode = new Link(destination, null);
-                linkNode.appendChild(contentNode);
+                linkNode.appendChild(textNode);
+                linkNode.setSourceSpans(textNode.getSourceSpans());
                 lastNode = insertNode(linkNode, lastNode);
             } else {
-                lastNode = insertNode(new Text(text), lastNode);
+                lastNode = insertNode(textNode, lastNode);
             }
         }
 
         // Original node no longer needed
-        textNode.unlink();
+        originalTextNode.unlink();
+    }
+
+    private static Text createTextNode(String literal, Span span, SourceSpan sourceSpan) {
+        int beginIndex = span.getBeginIndex();
+        int endIndex = span.getEndIndex();
+        String text = literal.substring(beginIndex, endIndex);
+        Text textNode = new Text(text);
+        if (sourceSpan != null) {
+            int length = endIndex - beginIndex;
+            textNode.addSourceSpan(SourceSpan.of(sourceSpan.getLineIndex(), beginIndex, length));
+        }
+        return textNode;
     }
 
     private static String getDestination(LinkSpan linkSpan, String linkText) {
diff --git a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
index ae586b6f0..2a9fd3b69 100644
--- a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
+++ b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
@@ -1,14 +1,21 @@
 package org.commonmark.ext.autolink;
 
 import org.commonmark.Extension;
+import org.commonmark.node.*;
+import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Set;
 
+import static org.hamcrest.CoreMatchers.instanceOf;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
 public class AutolinkTest extends RenderingTestCase {
 
     private static final Set<Extension> EXTENSIONS = Collections.singleton(AutolinkExtension.create());
@@ -53,6 +60,59 @@ public void dontLinkTextWithinLinks() {
                 "<p><a href=\"http://example.com\">http://example.com</a></p>\n");
     }
 
+    @Test
+    public void sourceSpans() {
+        Parser parser = Parser.builder()
+                .extensions(EXTENSIONS)
+                .includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES)
+                .build();
+        Node document = parser.parse("abc\n" +
+                "http://example.com/one\n" +
+                "def http://example.com/two\n" +
+                "ghi http://example.com/three jkl");
+
+        Paragraph paragraph = (Paragraph) document.getFirstChild();
+        Text abc = (Text) paragraph.getFirstChild();
+        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 3)),
+                abc.getSourceSpans());
+
+        assertTrue(abc.getNext() instanceof SoftLineBreak);
+
+        Link one = (Link) abc.getNext().getNext();
+        assertEquals("http://example.com/one", one.getDestination());
+        assertEquals(Arrays.asList(SourceSpan.of(1, 0, 22)),
+                one.getSourceSpans());
+
+        assertTrue(one.getNext() instanceof SoftLineBreak);
+
+        Text def = (Text) one.getNext().getNext();
+        assertEquals("def ", def.getLiteral());
+        assertEquals(Arrays.asList(SourceSpan.of(2, 0, 4)),
+                def.getSourceSpans());
+
+        Link two = (Link) def.getNext();
+        assertEquals("http://example.com/two", two.getDestination());
+        assertEquals(Arrays.asList(SourceSpan.of(2, 4, 22)),
+                two.getSourceSpans());
+
+        assertTrue(two.getNext() instanceof SoftLineBreak);
+
+        Text ghi = (Text) two.getNext().getNext();
+        assertEquals("ghi ", ghi.getLiteral());
+        assertEquals(Arrays.asList(SourceSpan.of(3, 0, 4)),
+                ghi.getSourceSpans());
+
+        Link three = (Link) ghi.getNext();
+        assertEquals("http://example.com/three", three.getDestination());
+        assertEquals(Arrays.asList(SourceSpan.of(3, 4, 24)),
+                three.getSourceSpans());
+
+        Text jkl = (Text) three.getNext();
+        assertEquals(" jkl", jkl.getLiteral());
+        assertEquals(Arrays.asList(SourceSpan.of(3, 28, 4)),
+                jkl.getSourceSpans());
+    }
+
     @Override
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));

From a0196a57c476d7f2a1716dc8717e187ada20275a Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 20 Oct 2022 12:12:01 +1100
Subject: [PATCH 170/450] Prepare for version 0.20.0

Set the version using `mvn versions:set -DnewVersion=0.20.0-SNAPSHOT`
---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 22 +++++++++++-----------
 12 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 0daa389b4..dc6868e50 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index bd97e0704..8c82d2fa5 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 52e75ac90..f7970b13d 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index c1785404a..be8ac82f5 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index adf29d35b..88911eaad 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 279eef082..bccf5e14e 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 72f9dfa71..ae9f130e4 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index a88af6a46..9eab0f4e2 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 4bbd14f58..2ca29bac9 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 543d701c1..1b8e100a9 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 36c3c2459..b934fdcdd 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.19.1-SNAPSHOT</version>
+        <version>0.20.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 10328eef9..b6214e7db 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.19.1-SNAPSHOT</version>
+    <version>0.20.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.19.1-SNAPSHOT</version>
+                <version>0.20.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From fcad995248e1b4c6e607656daaf2d6263270e9e7 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Thu, 20 Oct 2022 01:17:06 +0000
Subject: [PATCH 171/450] [maven-release-plugin] prepare release
 commonmark-parent-0.20.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index dc6868e50..0a986f7bc 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 8c82d2fa5..7f8fb9116 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index f7970b13d..54f53025f 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index be8ac82f5..948e7db46 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 88911eaad..e6236eda9 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index bccf5e14e..5f601087a 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index ae9f130e4..f083ae8c7 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 9eab0f4e2..071e14afd 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 2ca29bac9..b98e26d9f 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 1b8e100a9..ee01b2b54 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index b934fdcdd..76e803e11 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0-SNAPSHOT</version>
+        <version>0.20.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index b6214e7db..f754d9099 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.20.0-SNAPSHOT</version>
+    <version>0.20.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.20.0-SNAPSHOT</version>
+                <version>0.20.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.20.0-SNAPSHOT</version>
+                <version>0.20.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.20.0-SNAPSHOT</version>
+                <version>0.20.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.20.0-SNAPSHOT</version>
+                <version>0.20.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.20.0-SNAPSHOT</version>
+                <version>0.20.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.20.0-SNAPSHOT</version>
+                <version>0.20.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.20.0-SNAPSHOT</version>
+                <version>0.20.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.20.0-SNAPSHOT</version>
+                <version>0.20.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.20.0-SNAPSHOT</version>
+                <version>0.20.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.20.0-SNAPSHOT</version>
+                <version>0.20.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.20.0</tag>
     </scm>
 
     <distributionManagement>

From af9d026e5b374748b82f504db59740a8660bc9b8 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Thu, 20 Oct 2022 01:17:08 +0000
Subject: [PATCH 172/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 0a986f7bc..43ebf31b1 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0</version>
+        <version>0.20.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 7f8fb9116..3212541d0 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0</version>
+        <version>0.20.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 54f53025f..e017ab05d 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0</version>
+        <version>0.20.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 948e7db46..350fed676 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0</version>
+        <version>0.20.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index e6236eda9..b18b9d5ab 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0</version>
+        <version>0.20.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 5f601087a..edacbd87c 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0</version>
+        <version>0.20.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index f083ae8c7..cff7f974c 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0</version>
+        <version>0.20.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 071e14afd..8337da4f5 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.20.0</version>
+        <version>0.20.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index b98e26d9f..a208f4de6 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0</version>
+        <version>0.20.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index ee01b2b54..716d5243e 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0</version>
+        <version>0.20.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 76e803e11..dc35608e4 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.0</version>
+        <version>0.20.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index f754d9099..265b5f2d4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.20.0</version>
+    <version>0.20.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.20.0</version>
+                <version>0.20.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.20.0</version>
+                <version>0.20.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.20.0</version>
+                <version>0.20.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.20.0</version>
+                <version>0.20.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.20.0</version>
+                <version>0.20.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.20.0</version>
+                <version>0.20.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.20.0</version>
+                <version>0.20.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.20.0</version>
+                <version>0.20.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.20.0</version>
+                <version>0.20.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.20.0</version>
+                <version>0.20.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.20.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From ba673a9782c06e1b21c1e489592c58f789115d48 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 20 Oct 2022 13:26:10 +1100
Subject: [PATCH 173/450] Changelog for 0.20.0, bump version

---
 CHANGELOG.md | 4 ++--
 README.md    | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76d74b8b2..cf2ef7b40 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## [Unreleased]
+## [0.20.0] - 2022-10-20
 ### Fixed
 - GitHub tables: A single pipe (optional whitespace) now ends a table
   instead of crashing or being treated as an empty row, for consistency
@@ -372,7 +372,7 @@ Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
 
-[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.19.0...HEAD
+[0.20.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.19.0...commonmark-parent-0.20.0
 [0.19.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.2...commonmark-parent-0.19.0
 [0.18.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.1...commonmark-parent-0.18.2
 [0.18.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.0...commonmark-parent-0.18.1
diff --git a/README.md b/README.md
index 3e7546be2..31a7780da 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.19.0</version>
+    <version>0.20.0</version>
 </dependency>
 ```
 
@@ -233,7 +233,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.19.0</version>
+    <version>0.20.0</version>
 </dependency>
 ```
 

From 6db29901d6251c8d30c2db78187c48ed2eb6a0e4 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 24 Oct 2022 17:08:47 +1100
Subject: [PATCH 174/450] Add `requireTwoTildes` for `StrikethroughExtension`
 (fixes #271)

With the previous version we adjusted the extension to also accept the
single tilde syntax. But if you use another extension that uses the
single tilde syntax, you will get a conflict, see issue.

To avoid that, `StrikethroughExtension` can now be configured to require
two tildes like before, see Javadoc.
---
 CHANGELOG.md                                  | 10 +++-
 .../strikethrough/StrikethroughExtension.java | 60 +++++++++++++++++--
 .../StrikethroughDelimiterProcessor.java      | 12 +++-
 .../gfm/strikethrough/StrikethroughTest.java  | 45 +++++++++++++-
 .../internal/StaggeredDelimiterProcessor.java |  2 +-
 .../test/DelimiterProcessorTest.java          |  2 +-
 6 files changed, 120 insertions(+), 11 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf2ef7b40..49ebab528 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [Unreleased]
+### Added
+- GitHub strikethrough: With the previous version we adjusted the
+  extension to also accept the single tilde syntax. But if you use
+  another extension that uses the single tilde syntax, you will get a
+  conflict. To avoid that, `StrikethroughExtension` can now be
+  configured to require two tildes like before, see Javadoc.
+
 ## [0.20.0] - 2022-10-20
 ### Fixed
 - GitHub tables: A single pipe (optional whitespace) now ends a table
@@ -371,7 +379,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
-
+[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.20.0...HEAD
 [0.20.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.19.0...commonmark-parent-0.20.0
 [0.19.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.2...commonmark-parent-0.19.0
 [0.18.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.1...commonmark-parent-0.18.2
diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
index 3d0839f11..7d277fd73 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
@@ -14,29 +14,57 @@
 import org.commonmark.renderer.NodeRenderer;
 
 /**
- * Extension for GFM strikethrough using ~~ (GitHub Flavored Markdown).
+ * Extension for GFM strikethrough using {@code ~} or {@code ~~} (GitHub Flavored Markdown).
+ * <p>Example input:</p>
+ * <pre>{@code ~foo~ or ~~bar~~}</pre>
+ * <p>Example output (HTML):</p>
+ * <pre>{@code <del>foo</del> or <del>bar</del>}</pre>
  * <p>
- * Create it with {@link #create()} and then configure it on the builders
+ * Create the extension with {@link #create()} and then add it to the parser and renderer builders
  * ({@link org.commonmark.parser.Parser.Builder#extensions(Iterable)},
  * {@link HtmlRenderer.Builder#extensions(Iterable)}).
  * </p>
  * <p>
  * The parsed strikethrough text regions are turned into {@link Strikethrough} nodes.
  * </p>
+ * <p>
+ * If you have another extension that only uses a single tilde ({@code ~}) syntax, you will have to configure this
+ * {@link StrikethroughExtension} to only accept the double tilde syntax, like this:
+ * <pre>
+ *     {@code
+ *     StrikethroughExtension.builder().requireTwoTildes(true).build();
+ *     }
+ * </pre>
+ * If you don't do that, there's a conflict between the two extensions and you will get an
+ * {@link IllegalArgumentException} when constructing the parser.
+ * </p>
  */
 public class StrikethroughExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension,
         TextContentRenderer.TextContentRendererExtension {
 
-    private StrikethroughExtension() {
+    private final boolean requireTwoTildes;
+
+    private StrikethroughExtension(Builder builder) {
+        this.requireTwoTildes = builder.requireTwoTildes;
     }
 
+    /**
+     * @return the extension with default options
+     */
     public static Extension create() {
-        return new StrikethroughExtension();
+        return builder().build();
+    }
+
+    /**
+     * @return a builder to configure the behavior of the extension
+     */
+    public static Builder builder() {
+        return new Builder();
     }
 
     @Override
     public void extend(Parser.Builder parserBuilder) {
-        parserBuilder.customDelimiterProcessor(new StrikethroughDelimiterProcessor());
+        parserBuilder.customDelimiterProcessor(new StrikethroughDelimiterProcessor(requireTwoTildes));
     }
 
     @Override
@@ -58,4 +86,26 @@ public NodeRenderer create(TextContentNodeRendererContext context) {
             }
         });
     }
+
+    public static class Builder {
+
+        private boolean requireTwoTildes = false;
+
+        /**
+         * @param requireTwoTildes Whether two tilde characters ({@code ~~}) are required for strikethrough or whether
+         * one is also enough. Default is {@code false}; both a single tilde and two tildes can be used for strikethrough.
+         * @return {@code this}
+         */
+        public Builder requireTwoTildes(boolean requireTwoTildes) {
+            this.requireTwoTildes = requireTwoTildes;
+            return this;
+        }
+
+        /**
+         * @return a configured extension
+         */
+        public Extension build() {
+            return new StrikethroughExtension(this);
+        }
+    }
 }
diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
index a26953d28..3dedff1b9 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
@@ -10,6 +10,16 @@
 
 public class StrikethroughDelimiterProcessor implements DelimiterProcessor {
 
+    private final boolean requireTwoTildes;
+
+    public StrikethroughDelimiterProcessor() {
+        this(false);
+    }
+
+    public StrikethroughDelimiterProcessor(boolean requireTwoTildes) {
+        this.requireTwoTildes = requireTwoTildes;
+    }
+
     @Override
     public char getOpeningCharacter() {
         return '~';
@@ -22,7 +32,7 @@ public char getClosingCharacter() {
 
     @Override
     public int getMinLength() {
-        return 1;
+        return requireTwoTildes ? 2 : 1;
     }
 
     @Override
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
index 76cf929e9..d8a754c72 100644
--- a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
@@ -4,22 +4,25 @@
 import org.commonmark.node.Node;
 import org.commonmark.node.Paragraph;
 import org.commonmark.node.SourceSpan;
+import org.commonmark.node.Text;
 import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
+import org.commonmark.parser.delimiter.DelimiterProcessor;
+import org.commonmark.parser.delimiter.DelimiterRun;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
 import java.util.Arrays;
-import java.util.Collections;
 import java.util.Set;
 
+import static java.util.Collections.singleton;
 import static org.junit.Assert.assertEquals;
 
 public class StrikethroughTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(StrikethroughExtension.create());
+    private static final Set<Extension> EXTENSIONS = singleton(StrikethroughExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer HTML_RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
     private static final TextContentRenderer CONTENT_RENDERER = TextContentRenderer.builder()
@@ -92,6 +95,19 @@ public void textContentRenderer() {
         assertEquals("/foo/", CONTENT_RENDERER.render(document));
     }
 
+    @Test
+    public void requireTwoTildesOption() {
+        Parser parser = Parser.builder()
+                .extensions(singleton(StrikethroughExtension.builder()
+                        .requireTwoTildes(true)
+                        .build()))
+                .customDelimiterProcessor(new SubscriptDelimiterProcessor())
+                .build();
+
+        Node document = parser.parse("~foo~ ~~bar~~");
+        assertEquals("(sub)foo(/sub) /bar/", CONTENT_RENDERER.render(document));
+    }
+
     @Test
     public void sourceSpans() {
         Parser parser = Parser.builder()
@@ -110,4 +126,29 @@ public void sourceSpans() {
     protected String render(String source) {
         return HTML_RENDERER.render(PARSER.parse(source));
     }
+
+    private static class SubscriptDelimiterProcessor implements DelimiterProcessor {
+
+        @Override
+        public char getOpeningCharacter() {
+            return '~';
+        }
+
+        @Override
+        public char getClosingCharacter() {
+            return '~';
+        }
+
+        @Override
+        public int getMinLength() {
+            return 1;
+        }
+
+        @Override
+        public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
+            openingRun.getOpener().insertAfter(new Text("(sub)"));
+            closingRun.getCloser().insertBefore(new Text("(/sub)"));
+            return 1;
+        }
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/StaggeredDelimiterProcessor.java b/commonmark/src/main/java/org/commonmark/internal/StaggeredDelimiterProcessor.java
index 0fe8065bb..2836e346a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/StaggeredDelimiterProcessor.java
+++ b/commonmark/src/main/java/org/commonmark/internal/StaggeredDelimiterProcessor.java
@@ -51,7 +51,7 @@ void add(DelimiterProcessor dp) {
                 added = true;
                 break;
             } else if (len == pLen) {
-                throw new IllegalArgumentException("Cannot add two delimiter processors for char '" + delim + "' and minimum length " + len);
+                throw new IllegalArgumentException("Cannot add two delimiter processors for char '" + delim + "' and minimum length " + len + "; conflicting processors: " + p + ", " + dp);
             }
         }
         if (!added) {
diff --git a/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java b/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
index 173d711d3..d2e20a64f 100644
--- a/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
@@ -60,7 +60,7 @@ public void multipleDelimitersWithDifferentLengths() {
     }
 
     @Test(expected = IllegalArgumentException.class)
-    public void multipleDelimitersWithSameLength() {
+    public void multipleDelimitersWithSameLengthConflict() {
         Parser.builder()
                 .customDelimiterProcessor(new OneDelimiterProcessor())
                 .customDelimiterProcessor(new OneDelimiterProcessor())

From de1c59eccb38e6e2359a023dcffbe6507e0380a4 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Mon, 24 Oct 2022 17:13:01 +1100
Subject: [PATCH 175/450] Tweak Javadoc (meh)

---
 .../ext/gfm/strikethrough/StrikethroughExtension.java           | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
index 7d277fd73..4f0228a1c 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
@@ -30,11 +30,13 @@
  * <p>
  * If you have another extension that only uses a single tilde ({@code ~}) syntax, you will have to configure this
  * {@link StrikethroughExtension} to only accept the double tilde syntax, like this:
+ * </p>
  * <pre>
  *     {@code
  *     StrikethroughExtension.builder().requireTwoTildes(true).build();
  *     }
  * </pre>
+ * <p>
  * If you don't do that, there's a conflict between the two extensions and you will get an
  * {@link IllegalArgumentException} when constructing the parser.
  * </p>

From 77c58536ab780a8ce582136206672f480e72c57a Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 3 Nov 2022 13:59:33 +1100
Subject: [PATCH 176/450] Add DingusApp for quickly testing out renderings

Named Dingus because of https://spec.commonmark.org/dingus/
---
 .../java/org/commonmark/ui/DingusApp.java     | 114 ++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 commonmark-integration-test/src/test/java/org/commonmark/ui/DingusApp.java

diff --git a/commonmark-integration-test/src/test/java/org/commonmark/ui/DingusApp.java b/commonmark-integration-test/src/test/java/org/commonmark/ui/DingusApp.java
new file mode 100644
index 000000000..0e98386bb
--- /dev/null
+++ b/commonmark-integration-test/src/test/java/org/commonmark/ui/DingusApp.java
@@ -0,0 +1,114 @@
+package org.commonmark.ui;
+
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.renderer.text.TextContentRenderer;
+
+import java.awt.*;
+import javax.swing.*;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+
+/**
+ * Simple UI to quickly test out different rendering of CommonMark inputs.
+ * Similar to <a href="https://spec.commonmark.org/dingus/">commonmark.js dingus</a>.
+ **/
+public class DingusApp {
+
+    private final Parser parser = Parser.builder().build();
+    private final TextContentRenderer textRenderer = TextContentRenderer.builder().build();
+    private final HtmlRenderer htmlRenderer = HtmlRenderer.builder().build();
+
+    private final JTabbedPane tabbedPane;
+    private final JEditorPane htmlVisualRendererOutput;
+    private final JTextArea htmlSourceRendererOutput;
+    private final JTextArea textRendererOutput;
+
+    public static void main(String[] args) {
+        new DingusApp().run();
+    }
+
+    private DingusApp() {
+        tabbedPane = new JTabbedPane();
+
+        htmlVisualRendererOutput = new JEditorPane();
+        htmlVisualRendererOutput.setEnabled(false);
+        htmlVisualRendererOutput.setContentType("text/html");
+
+        htmlSourceRendererOutput = new JTextArea();
+        htmlSourceRendererOutput.setEnabled(false);
+        htmlSourceRendererOutput.setLineWrap(true);
+        htmlSourceRendererOutput.setFont(new Font(Font.MONOSPACED, Font.PLAIN, 12));
+
+        textRendererOutput = new JTextArea();
+        textRendererOutput.setEnabled(false);
+        textRendererOutput.setLineWrap(true);
+        textRendererOutput.setFont(new Font(Font.MONOSPACED, Font.PLAIN, 12));
+    }
+
+    private void run() {
+        JFrame frame = new JFrame("commonmark-java dingus");
+        frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+        frame.setMinimumSize(new Dimension(400, 300));
+        frame.setSize(new Dimension(1200, 675));
+
+        final JTextArea input = new JTextArea();
+        input.setBorder(BorderFactory.createTitledBorder("Input"));
+        input.setLineWrap(true);
+        input.setFont(new Font(Font.MONOSPACED, Font.PLAIN, 12));
+
+        input.getDocument().addDocumentListener(new DocumentListener() {
+            @Override
+            public void insertUpdate(DocumentEvent e) {
+                updateOutput(input.getText());
+            }
+
+            @Override
+            public void removeUpdate(DocumentEvent e) {
+                updateOutput(input.getText());
+            }
+
+            @Override
+            public void changedUpdate(DocumentEvent e) {
+            }
+        });
+
+        tabbedPane.addTab("HTML rendered", htmlVisualRendererOutput);
+        tabbedPane.addTab("HTML source", htmlSourceRendererOutput);
+        tabbedPane.addTab("Plain text", textRendererOutput);
+
+        tabbedPane.addChangeListener(new ChangeListener() {
+            @Override
+            public void stateChanged(ChangeEvent e) {
+                updateOutput(input.getText());
+            }
+        });
+
+        input.setText("# Example\n" +
+                "Enter text *here* and see how it renders on the right.\n\n" +
+                "* Try\n* this\n\n" +
+                "```\nor this\n```");
+        updateOutput(input.getText());
+
+        frame.setLayout(new GridLayout());
+        frame.add(input);
+        frame.add(tabbedPane);
+
+        frame.setVisible(true);
+    }
+
+    private void updateOutput(String inputText) {
+        if (tabbedPane.getSelectedComponent() == htmlVisualRendererOutput) {
+            String rendered = htmlRenderer.render(parser.parse(inputText));
+            htmlVisualRendererOutput.setText(rendered);
+        } else if (tabbedPane.getSelectedComponent() == htmlSourceRendererOutput) {
+            String rendered = htmlRenderer.render(parser.parse(inputText));
+            htmlSourceRendererOutput.setText(rendered);
+        } else if (tabbedPane.getSelectedComponent() == textRendererOutput) {
+            String rendered = textRenderer.render(parser.parse(inputText));
+            textRendererOutput.setText(rendered);
+        }
+    }
+}

From 8636cf7f398c8a80c595037f44efa84c6e86758e Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 3 Nov 2022 14:35:28 +1100
Subject: [PATCH 177/450] Mention DingusApp

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 31a7780da..bcf552c5b 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,8 @@ be followed.
 See the [spec.txt](commonmark-test-util/src/main/resources/spec.txt)
 file if you're wondering which version of the spec is currently
 implemented. Also check out the [CommonMark dingus] for getting familiar
-with the syntax or trying out edge cases.
+with the syntax or trying out edge cases. If you clone the repository,
+you can also use the `DingusApp` class to try out things interactively.
 
 
 Usage

From 6bf916e1fa00ae7be9a692c5821bc91f0eba8957 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 10 Nov 2022 21:05:10 +1100
Subject: [PATCH 178/450] Bump maven plugins

---
 pom.xml | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/pom.xml b/pom.xml
index 265b5f2d4..3cf35692e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,7 +38,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.8.1</version>
+                    <version>3.10.1</version>
                     <configuration>
                         <source>7</source>
                         <target>7</target>
@@ -47,17 +47,17 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-jar-plugin</artifactId>
-                    <version>3.2.0</version>
+                    <version>3.3.0</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-install-plugin</artifactId>
-                    <version>3.0.0-M1</version>
+                    <version>3.0.1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>
-                    <version>3.2.0</version>
+                    <version>3.4.1</version>
                     <configuration>
                         <excludePackageNames>*.internal,*.internal.*</excludePackageNames>
                         <!-- The offline links make links from extensions to core work. -->
@@ -74,7 +74,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>2.22.1</version>
+                    <version>2.22.2</version>
                 </plugin>
             </plugins>
         </pluginManagement>
@@ -83,7 +83,7 @@
             <plugin>
                 <groupId>org.sonatype.plugins</groupId>
                 <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.8</version>
+                <version>1.6.13</version>
                 <extensions>true</extensions>
                 <configuration>
                     <serverId>ossrh</serverId>
@@ -95,7 +95,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-release-plugin</artifactId>
-                <version>3.0.0-M1</version>
+                <version>3.0.0-M7</version>
                 <configuration>
                     <autoVersionSubmodules>true</autoVersionSubmodules>
                     <useReleaseProfile>false</useReleaseProfile>
@@ -212,7 +212,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>1.6</version>
+                        <version>3.0.1</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>
@@ -239,7 +239,7 @@
                     <plugin>
                         <groupId>org.jacoco</groupId>
                         <artifactId>jacoco-maven-plugin</artifactId>
-                        <version>0.7.9</version>
+                        <version>0.8.8</version>
                         <configuration>
                             <excludes>
                                 <!-- Classes from test-util -->

From e146e4203324908de1b3797191b790d82b1ee679 Mon Sep 17 00:00:00 2001
From: Robin Stocker <rstocker@atlassian.com>
Date: Thu, 17 Nov 2022 13:33:03 +1100
Subject: [PATCH 179/450] Prepare for version 0.21.0

Set the version using `mvn versions:set -DnewVersion=0.21.0-SNAPSHOT`
---
 CHANGELOG.md                             |  4 ++--
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 22 +++++++++++-----------
 13 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 49ebab528..f558a3601 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## [Unreleased]
+## [0.21.0] - 2022-11-17
 ### Added
 - GitHub strikethrough: With the previous version we adjusted the
   extension to also accept the single tilde syntax. But if you use
@@ -379,7 +379,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
-[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.20.0...HEAD
+[0.21.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.20.0...commonmark-parent-0.21.0
 [0.20.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.19.0...commonmark-parent-0.20.0
 [0.19.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.2...commonmark-parent-0.19.0
 [0.18.2]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.1...commonmark-parent-0.18.2
diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 43ebf31b1..c95d71383 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.1-SNAPSHOT</version>
+        <version>0.21.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 3212541d0..41e358b08 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.1-SNAPSHOT</version>
+        <version>0.21.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index e017ab05d..940e491ee 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.1-SNAPSHOT</version>
+        <version>0.21.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 350fed676..40c8c91a0 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.1-SNAPSHOT</version>
+        <version>0.21.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index b18b9d5ab..58ff6af45 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.1-SNAPSHOT</version>
+        <version>0.21.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index edacbd87c..475398615 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.1-SNAPSHOT</version>
+        <version>0.21.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index cff7f974c..c56b00dbb 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.1-SNAPSHOT</version>
+        <version>0.21.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 8337da4f5..57aa1fbd0 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.20.1-SNAPSHOT</version>
+        <version>0.21.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index a208f4de6..0745fe2d9 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.1-SNAPSHOT</version>
+        <version>0.21.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 716d5243e..a9700153e 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.1-SNAPSHOT</version>
+        <version>0.21.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index dc35608e4..a4b3368e2 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.20.1-SNAPSHOT</version>
+        <version>0.21.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 3cf35692e..1b8c1e82e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.20.1-SNAPSHOT</version>
+    <version>0.21.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.20.1-SNAPSHOT</version>
+                <version>0.21.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.20.1-SNAPSHOT</version>
+                <version>0.21.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.20.1-SNAPSHOT</version>
+                <version>0.21.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.20.1-SNAPSHOT</version>
+                <version>0.21.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.20.1-SNAPSHOT</version>
+                <version>0.21.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.20.1-SNAPSHOT</version>
+                <version>0.21.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.20.1-SNAPSHOT</version>
+                <version>0.21.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.20.1-SNAPSHOT</version>
+                <version>0.21.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.20.1-SNAPSHOT</version>
+                <version>0.21.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.20.1-SNAPSHOT</version>
+                <version>0.21.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From db8469c78cdbec6a5cb0375e5fce4844d9ad57d7 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Thu, 17 Nov 2022 02:37:39 +0000
Subject: [PATCH 180/450] [maven-release-plugin] prepare release
 commonmark-parent-0.21.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index c95d71383..3558b2231 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0-SNAPSHOT</version>
+        <version>0.21.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 41e358b08..a1eb8f466 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0-SNAPSHOT</version>
+        <version>0.21.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 940e491ee..adbc14e94 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0-SNAPSHOT</version>
+        <version>0.21.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 40c8c91a0..33dfa985c 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0-SNAPSHOT</version>
+        <version>0.21.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 58ff6af45..307597da9 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0-SNAPSHOT</version>
+        <version>0.21.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 475398615..f9e095ea7 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0-SNAPSHOT</version>
+        <version>0.21.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index c56b00dbb..772088d4a 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0-SNAPSHOT</version>
+        <version>0.21.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 57aa1fbd0..9fd018c9a 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.21.0-SNAPSHOT</version>
+        <version>0.21.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 0745fe2d9..2646e7456 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0-SNAPSHOT</version>
+        <version>0.21.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index a9700153e..6c43eb2ab 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0-SNAPSHOT</version>
+        <version>0.21.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index a4b3368e2..5b69ddcf0 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0-SNAPSHOT</version>
+        <version>0.21.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 1b8c1e82e..f44082810 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.21.0-SNAPSHOT</version>
+    <version>0.21.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.21.0-SNAPSHOT</version>
+                <version>0.21.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.21.0-SNAPSHOT</version>
+                <version>0.21.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.21.0-SNAPSHOT</version>
+                <version>0.21.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.21.0-SNAPSHOT</version>
+                <version>0.21.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.21.0-SNAPSHOT</version>
+                <version>0.21.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.21.0-SNAPSHOT</version>
+                <version>0.21.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.21.0-SNAPSHOT</version>
+                <version>0.21.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.21.0-SNAPSHOT</version>
+                <version>0.21.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.21.0-SNAPSHOT</version>
+                <version>0.21.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.21.0-SNAPSHOT</version>
+                <version>0.21.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.21.0</tag>
     </scm>
 
     <distributionManagement>

From dfd95d08a547d91bf10a6dea3d030906a5f976b7 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Thu, 17 Nov 2022 02:37:40 +0000
Subject: [PATCH 181/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 3558b2231..c82ecdae8 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index a1eb8f466..878a1e586 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index adbc14e94..c6448889f 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 33dfa985c..49bc4a032 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 307597da9..959b1406c 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index f9e095ea7..708532472 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 772088d4a..ec3ac1a1f 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 9fd018c9a..e5e120caa 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 2646e7456..da5146a15 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 6c43eb2ab..c61000412 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 5b69ddcf0..64c456192 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.0</version>
+        <version>0.21.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index f44082810..f5c7749ef 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.21.0</version>
+    <version>0.21.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.21.0</version>
+                <version>0.21.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.21.0</version>
+                <version>0.21.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.21.0</version>
+                <version>0.21.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.21.0</version>
+                <version>0.21.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.21.0</version>
+                <version>0.21.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.21.0</version>
+                <version>0.21.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.21.0</version>
+                <version>0.21.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.21.0</version>
+                <version>0.21.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.21.0</version>
+                <version>0.21.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.21.0</version>
+                <version>0.21.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -282,7 +282,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.21.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From fbf87b8495d00723e8a62ba0824fd7df7fdf0ce5 Mon Sep 17 00:00:00 2001
From: Dan Wyand <dwyand@palantir.com>
Date: Fri, 14 Jul 2023 14:34:44 -0400
Subject: [PATCH 182/450] add column width to TableCell nodes

The width is determined by the number of dash and colon characters in the
separator line of a table, and passed on to the consumer as an integer.
This permits consumers of the AST to render tables that are more
proportional the width in the source markdown.

No changes have been made to the HTML render to make use of the width
information, but the test for this feature demonstrates a possible usage.

Should a cell be be created that is further to the right than the parsed
separator columns are (i.e., when alignment would be null), then the width
will be reported as 0.
---
 .../commonmark/ext/gfm/tables/TableCell.java  | 12 ++++++
 .../gfm/tables/internal/TableBlockParser.java | 39 +++++++++++++++----
 .../commonmark/ext/gfm/tables/TablesTest.java | 36 +++++++++++++++++
 3 files changed, 80 insertions(+), 7 deletions(-)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java
index 61880c6c3..623e30062 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java
@@ -9,6 +9,7 @@ public class TableCell extends CustomNode {
 
     private boolean header;
     private Alignment alignment;
+    private int width;
 
     /**
      * @return whether the cell is a header or not
@@ -32,6 +33,17 @@ public void setAlignment(Alignment alignment) {
         this.alignment = alignment;
     }
 
+    /**
+     * @return the cell width
+     */
+    public int getWidth() {
+        return width;
+    }
+
+    public void setWidth(int width) {
+        this.width = width;
+    }
+
     /**
      * How the cell is aligned horizontally.
      */
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index b7cea14db..2ffa53109 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -17,11 +17,11 @@ public class TableBlockParser extends AbstractBlockParser {
 
     private final TableBlock block = new TableBlock();
     private final List<SourceLine> rowLines = new ArrayList<>();
-    private final List<TableCell.Alignment> columns;
+    private final List<TableCellInfo> columns;
 
     private boolean canHaveLazyContinuationLines = true;
 
-    private TableBlockParser(List<TableCell.Alignment> columns, SourceLine headerLine) {
+    private TableBlockParser(List<TableCellInfo> columns, SourceLine headerLine) {
         this.columns = columns;
         this.rowLines.add(headerLine);
     }
@@ -120,7 +120,9 @@ private TableCell parseCell(SourceLine cell, int column, InlineParser inlinePars
         }
 
         if (column < columns.size()) {
-            tableCell.setAlignment(columns.get(column));
+            TableCellInfo cellInfo = columns.get(column);
+            tableCell.setAlignment(cellInfo.getAlignment());
+            tableCell.setWidth(cellInfo.getWidth());
         }
 
         CharSequence content = cell.getContent();
@@ -187,11 +189,12 @@ private static List<SourceLine> split(SourceLine line) {
     // -|-
     // |-|-|
     // --- | ---
-    private static List<TableCell.Alignment> parseSeparator(CharSequence s) {
-        List<TableCell.Alignment> columns = new ArrayList<>();
+    private static List<TableCellInfo> parseSeparator(CharSequence s) {
+        List<TableCellInfo> columns = new ArrayList<>();
         int pipes = 0;
         boolean valid = false;
         int i = 0;
+        int width = 0;
         while (i < s.length()) {
             char c = s.charAt(i);
             switch (c) {
@@ -216,10 +219,12 @@ private static List<TableCell.Alignment> parseSeparator(CharSequence s) {
                     if (c == ':') {
                         left = true;
                         i++;
+                        width++;
                     }
                     boolean haveDash = false;
                     while (i < s.length() && s.charAt(i) == '-') {
                         i++;
+                        width++;
                         haveDash = true;
                     }
                     if (!haveDash) {
@@ -229,8 +234,10 @@ private static List<TableCell.Alignment> parseSeparator(CharSequence s) {
                     if (i < s.length() && s.charAt(i) == ':') {
                         right = true;
                         i++;
+                        width++;
                     }
-                    columns.add(getAlignment(left, right));
+                    columns.add(new TableCellInfo(getAlignment(left, right), width));
+                    width = 0;
                     // Next, need another pipe
                     pipes = 0;
                     break;
@@ -270,7 +277,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             if (paragraphLines.size() == 1 && Parsing.find('|', paragraphLines.get(0).getContent(), 0) != -1) {
                 SourceLine line = state.getLine();
                 SourceLine separatorLine = line.substring(state.getIndex(), line.getContent().length());
-                List<TableCell.Alignment> columns = parseSeparator(separatorLine.getContent());
+                List<TableCellInfo> columns = parseSeparator(separatorLine.getContent());
                 if (columns != null && !columns.isEmpty()) {
                     SourceLine paragraph = paragraphLines.get(0);
                     List<SourceLine> headerCells = split(paragraph);
@@ -284,4 +291,22 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             return BlockStart.none();
         }
     }
+
+    private static class TableCellInfo {
+        private final TableCell.Alignment alignment;
+        private final int width;
+
+        public TableCell.Alignment getAlignment() {
+            return alignment;
+        }
+
+        public int getWidth() {
+            return width;
+        }
+
+        public TableCellInfo(TableCell.Alignment alignment, int width) {
+            this.alignment = alignment;
+            this.width = width;
+        }
+    }
 }
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index bef3b8b6c..b03714d9a 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -749,6 +749,42 @@ public void setAttributes(Node node, String tagName, Map<String, String> attribu
                 "</table>\n"));
     }
 
+    @Test
+    public void columnWidthIsRecorded() {
+        AttributeProviderFactory factory = new AttributeProviderFactory() {
+            @Override
+            public AttributeProvider create(AttributeProviderContext context) {
+                return new AttributeProvider() {
+                    @Override
+                    public void setAttributes(Node node, String tagName, Map<String, String> attributes) {
+                        if (node instanceof TableCell && "th".equals(tagName)) {
+                            attributes.put("width", ((TableCell) node).getWidth() + "em");
+                        }
+                    }
+                };
+            }
+        };
+        HtmlRenderer renderer = HtmlRenderer.builder()
+                .attributeProviderFactory(factory)
+                .extensions(EXTENSIONS)
+                .build();
+        String rendered = renderer.render(PARSER.parse("Abc|Def\n-----|---\n1|2"));
+        assertThat(rendered, is("<table>\n" +
+                "<thead>\n" +
+                "<tr>\n" +
+                "<th width=\"5em\">Abc</th>\n" +
+                "<th width=\"3em\">Def</th>\n" +
+                "</tr>\n" +
+                "</thead>\n" +
+                "<tbody>\n" +
+                "<tr>\n" +
+                "<td>1</td>\n" +
+                "<td>2</td>\n" +
+                "</tr>\n" +
+                "</tbody>\n" +
+                "</table>\n"));
+    }
+
     @Test
     public void sourceSpans() {
         Parser parser = Parser.builder()

From 654203286f8e6b1900a4e564613ed361e8a36449 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 9 Jan 2024 16:48:57 +1100
Subject: [PATCH 183/450] Add comment to TextContentRenderer, fix typo

---
 .../org/commonmark/renderer/text/TextContentRenderer.java  | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
index aacfbb82a..9dd5918af 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
@@ -9,6 +9,9 @@
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * Renders nodes to plain text content with minimal markup-like additions.
+ */
 public class TextContentRenderer implements Renderer {
 
     private final boolean stripNewlines;
@@ -30,7 +33,7 @@ public NodeRenderer create(TextContentNodeRendererContext context) {
     }
 
     /**
-     * Create a new builder for configuring an {@link TextContentRenderer}.
+     * Create a new builder for configuring a {@link TextContentRenderer}.
      *
      * @return a builder
      */
@@ -52,7 +55,7 @@ public String render(Node node) {
     }
 
     /**
-     * Builder for configuring an {@link TextContentRenderer}. See methods for default configuration.
+     * Builder for configuring a {@link TextContentRenderer}. See methods for default configuration.
      */
     public static class Builder {
 

From 320266c0af42f4672144adfc726ba3edad221a4e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 9 Jan 2024 16:50:07 +1100
Subject: [PATCH 184/450] Ignore .DS_Store

---
 .gitignore | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.gitignore b/.gitignore
index a156931f0..d998d8890 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,6 @@
 
 # Maven
 target/
+
+# macOS
+.DS_Store

From 1ba567cd09bc3296b84d06dbfc4d3af9d5eff797 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 10 Jan 2024 14:36:09 +1100
Subject: [PATCH 185/450] Make SpecTestCase not extend RenderingTestCase

That allows it to be used outside of HTML rendering test cases.
With JUnit 5, it might not even need to be a base class anymore.
---
 .../integration/SourceSpanIntegrationTest.java  |  2 +-
 .../integration/SpecIntegrationTest.java        |  9 +++++----
 .../java/org/commonmark/testutil/Asserts.java   | 17 +++++++++++++++++
 .../commonmark/testutil/RenderingTestCase.java  | 14 +-------------
 .../org/commonmark/testutil/SpecTestCase.java   |  9 +++------
 .../java/org/commonmark/test/SpecCoreTest.java  |  9 +++++++--
 .../org/commonmark/test/SpecCrLfCoreTest.java   | 11 +++++++++--
 7 files changed, 43 insertions(+), 28 deletions(-)
 create mode 100644 commonmark-test-util/src/main/java/org/commonmark/testutil/Asserts.java

diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
index 6e51b0af5..b6fa4922a 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
@@ -5,7 +5,7 @@
 import org.commonmark.testutil.example.Example;
 
 /**
- * Spec and all extensions, with source spans enabed.
+ * Spec and all extensions, with source spans enabled.
  */
 public class SourceSpanIntegrationTest extends SpecIntegrationTest {
 
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
index 13d5918b8..f434f65d2 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
@@ -12,10 +12,13 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.testutil.example.Example;
 import org.commonmark.testutil.SpecTestCase;
+import org.junit.Assert;
 import org.junit.Test;
 
 import java.util.*;
 
+import static org.commonmark.testutil.Asserts.assertRendering;
+
 /**
  * Tests that the spec examples still render the same with all extensions enabled.
  */
@@ -39,17 +42,15 @@ public SpecIntegrationTest(Example example) {
     }
 
     @Test
-    @Override
     public void testHtmlRendering() {
         String expectedHtml = OVERRIDDEN_EXAMPLES.get(example.getSource());
         if (expectedHtml != null) {
-            assertRendering(example.getSource(), expectedHtml);
+            assertRendering(example.getSource(), expectedHtml, render(example.getSource()));
         } else {
-            super.testHtmlRendering();
+            assertRendering(example.getSource(), example.getHtml(), render(example.getSource()));
         }
     }
 
-    @Override
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));
     }
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/Asserts.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/Asserts.java
new file mode 100644
index 000000000..64124b129
--- /dev/null
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/Asserts.java
@@ -0,0 +1,17 @@
+package org.commonmark.testutil;
+
+import static org.junit.Assert.assertEquals;
+
+public class Asserts {
+    public static void assertRendering(String source, String expectedRendering, String actualRendering) {
+        // include source for better assertion errors
+        String expected = showTabs(expectedRendering + "\n\n" + source);
+        String actual = showTabs(actualRendering + "\n\n" + source);
+        assertEquals(expected, actual);
+    }
+
+    private static String showTabs(String s) {
+        // Tabs are shown as "rightwards arrow" for easier comparison
+        return s.replace("\t", "\u2192");
+    }
+}
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/RenderingTestCase.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/RenderingTestCase.java
index 682123494..b585f4604 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/RenderingTestCase.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/RenderingTestCase.java
@@ -1,22 +1,10 @@
 package org.commonmark.testutil;
 
-import static org.junit.Assert.assertEquals;
-
 public abstract class RenderingTestCase {
 
     protected abstract String render(String source);
 
     protected void assertRendering(String source, String expectedResult) {
-        String renderedContent = render(source);
-
-        // include source for better assertion errors
-        String expected = showTabs(expectedResult + "\n\n" + source);
-        String actual = showTabs(renderedContent + "\n\n" + source);
-        assertEquals(expected, actual);
-    }
-
-    private static String showTabs(String s) {
-        // Tabs are shown as "rightwards arrow" for easier comparison
-        return s.replace("\t", "\u2192");
+        Asserts.assertRendering(source, expectedResult, render(source));
     }
 }
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java
index 1c35b7c28..3be768682 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java
@@ -10,8 +10,10 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import static org.commonmark.testutil.Asserts.assertRendering;
+
 @RunWith(Parameterized.class)
-public abstract class SpecTestCase extends RenderingTestCase {
+public abstract class SpecTestCase {
 
     protected final Example example;
 
@@ -29,9 +31,4 @@ public static List<Object[]> data() {
         return data;
     }
 
-    @Test
-    public void testHtmlRendering() {
-        assertRendering(example.getSource(), example.getHtml());
-    }
-
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java b/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java
index e4820f09c..8d284c6f9 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java
@@ -9,6 +9,7 @@
 import org.commonmark.testutil.example.Example;
 import org.junit.Test;
 
+import static org.commonmark.testutil.Asserts.assertRendering;
 import static org.junit.Assert.fail;
 
 public class SpecCoreTest extends SpecTestCase {
@@ -49,8 +50,12 @@ protected void visitChildren(Node parent) {
         });
     }
 
-    @Override
-    protected String render(String source) {
+    @Test
+    public void testHtmlRendering() {
+        assertRendering(example.getSource(), example.getHtml(), render(example.getSource()));
+    }
+
+    private String render(String source) {
         return RENDERER.render(PARSER.parse(source));
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecCrLfCoreTest.java b/commonmark/src/test/java/org/commonmark/test/SpecCrLfCoreTest.java
index 6424ab659..ab0103e5a 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecCrLfCoreTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecCrLfCoreTest.java
@@ -4,6 +4,9 @@
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.SpecTestCase;
 import org.commonmark.testutil.example.Example;
+import org.junit.Test;
+
+import static org.commonmark.testutil.Asserts.assertRendering;
 
 /**
  * Same as {@link SpecCoreTest} but converts line endings to Windows-style CR+LF endings before parsing.
@@ -18,8 +21,12 @@ public SpecCrLfCoreTest(Example example) {
         super(example);
     }
 
-    @Override
-    protected String render(String source) {
+    @Test
+    public void testHtmlRendering() {
+        assertRendering(example.getSource(), example.getHtml(), render(example.getSource()));
+    }
+
+    private String render(String source) {
         String windowsStyle = source.replace("\n", "\r\n");
         return RENDERER.render(PARSER.parse(windowsStyle));
     }

From ec66829b7541b2539cc2126b8f4df4414e2607b8 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 16 Jan 2024 22:30:52 +1100
Subject: [PATCH 186/450] Add markerIndent and contentIndent to ListItem

This information is required for a renderer producing Markdown.
---
 .../commonmark/internal/ListBlockParser.java  |  2 +-
 .../commonmark/internal/ListItemParser.java   |  4 +-
 .../java/org/commonmark/node/ListItem.java    | 45 +++++++++++++
 .../commonmark/test/ListBlockParserTest.java  | 67 +++++++++++++++++++
 .../test/java/org/commonmark/test/Nodes.java  | 23 +++++++
 5 files changed, 139 insertions(+), 2 deletions(-)
 create mode 100644 commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
index f6702518b..0ff644a47 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
@@ -217,7 +217,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             }
 
             int newColumn = listData.contentColumn;
-            ListItemParser listItemParser = new ListItemParser(newColumn - state.getColumn());
+            ListItemParser listItemParser = new ListItemParser(state.getIndent(), newColumn - state.getColumn());
 
             // prepend the list block if needed
             if (!(matched instanceof ListBlockParser) ||
diff --git a/commonmark/src/main/java/org/commonmark/internal/ListItemParser.java b/commonmark/src/main/java/org/commonmark/internal/ListItemParser.java
index 6f03770b3..49722dff2 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ListItemParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ListItemParser.java
@@ -20,8 +20,10 @@ public class ListItemParser extends AbstractBlockParser {
 
     private boolean hadBlankLine;
 
-    public ListItemParser(int contentIndent) {
+    public ListItemParser(int markerIndent, int contentIndent) {
         this.contentIndent = contentIndent;
+        block.setMarkerIndent(markerIndent);
+        block.setContentIndent(contentIndent);
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/node/ListItem.java b/commonmark/src/main/java/org/commonmark/node/ListItem.java
index aa526be01..21f4e2b82 100644
--- a/commonmark/src/main/java/org/commonmark/node/ListItem.java
+++ b/commonmark/src/main/java/org/commonmark/node/ListItem.java
@@ -2,8 +2,53 @@
 
 public class ListItem extends Block {
 
+    private int markerIndent;
+    private int contentIndent;
+
     @Override
     public void accept(Visitor visitor) {
         visitor.visit(this);
     }
+
+    /**
+     * Returns the indent of the marker such as "-" or "1." in columns (spaces or tab stop of 4).
+     * <p>
+     * Some examples and their marker indent:
+     * <pre>- Foo</pre>
+     * Marker indent: 0
+     * <pre> - Foo</pre>
+     * Marker indent: 1
+     * <pre>  1. Foo</pre>
+     * Marker indent: 2
+     */
+    public int getMarkerIndent() {
+        return markerIndent;
+    }
+
+    public void setMarkerIndent(int markerIndent) {
+        this.markerIndent = markerIndent;
+    }
+
+    /**
+     * Returns the indent of the content in columns (spaces or tab stop of 4). The content indent is counted from the
+     * beginning of the line and includes the marker on the first line.
+     * <p>
+     * Some examples and their content indent:
+     * <pre>- Foo</pre>
+     * Content indent: 2
+     * <pre> - Foo</pre>
+     * Content indent: 3
+     * <pre>  1. Foo</pre>
+     * Content indent: 5
+     * <p>
+     * Note that subsequent lines in the same list item need to be indented by at least the content indent to be counted
+     * as part of the list item.
+     */
+    public int getContentIndent() {
+        return contentIndent;
+    }
+
+    public void setContentIndent(int contentIndent) {
+        this.contentIndent = contentIndent;
+    }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java b/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
new file mode 100644
index 000000000..a8a03fb74
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
@@ -0,0 +1,67 @@
+package org.commonmark.test;
+
+import org.commonmark.node.ListItem;
+import org.commonmark.node.Node;
+import org.commonmark.parser.Parser;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+public class ListBlockParserTest {
+
+    private static final Parser PARSER = Parser.builder().build();
+
+    @Test
+    public void testBulletListIndents() {
+        assertListItemIndents("* foo", 0, 2);
+        assertListItemIndents(" * foo", 1, 3);
+        assertListItemIndents("  * foo", 2, 4);
+        assertListItemIndents("   * foo", 3, 5);
+
+        assertListItemIndents("*  foo", 0, 3);
+        assertListItemIndents("*   foo", 0, 4);
+        assertListItemIndents("*    foo", 0, 5);
+        assertListItemIndents(" *  foo", 1, 4);
+        assertListItemIndents("   *    foo", 3, 8);
+
+        // The indent is relative to any containing blocks
+        assertListItemIndents("> * foo", 0, 2);
+        assertListItemIndents(">  * foo", 1, 3);
+        assertListItemIndents(">  *  foo", 1, 4);
+
+        // Tab counts as 3 spaces here (to the next tab stop column of 4) -> content indent is 1+3
+        assertListItemIndents("*\tfoo", 0, 4);
+
+        // Empty list, content indent is expected to be 2
+        assertListItemIndents("-\n", 0, 2);
+    }
+
+    @Test
+    public void testOrderedListIndents() {
+        assertListItemIndents("1. foo", 0, 3);
+        assertListItemIndents(" 1. foo", 1, 4);
+        assertListItemIndents("  1. foo", 2, 5);
+        assertListItemIndents("   1. foo", 3, 6);
+
+        assertListItemIndents("1.  foo", 0, 4);
+        assertListItemIndents("1.   foo", 0, 5);
+        assertListItemIndents("1.    foo", 0, 6);
+        assertListItemIndents(" 1.  foo", 1, 5);
+        assertListItemIndents("  1.    foo", 2, 8);
+
+        assertListItemIndents("> 1. foo", 0, 3);
+        assertListItemIndents(">  1. foo", 1, 4);
+        assertListItemIndents(">  1.  foo", 1, 5);
+
+        assertListItemIndents("1.\tfoo", 0, 4);
+    }
+
+    private void assertListItemIndents(String input, int expectedMarkerIndent, int expectedContentIndent) {
+        Node doc = PARSER.parse(input);
+        ListItem listItem = Nodes.find(doc, ListItem.class);
+        assertNotNull(listItem);
+        assertEquals(expectedMarkerIndent, listItem.getMarkerIndent());
+        assertEquals(expectedContentIndent, listItem.getContentIndent());
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/Nodes.java b/commonmark/src/test/java/org/commonmark/test/Nodes.java
index bbc019a6a..25ce75836 100644
--- a/commonmark/src/test/java/org/commonmark/test/Nodes.java
+++ b/commonmark/src/test/java/org/commonmark/test/Nodes.java
@@ -14,4 +14,27 @@ public static List<Node> getChildren(Node parent) {
         }
         return children;
     }
+
+    /**
+     * Recursively try to find a node with the given type within the children of the specified node.
+     *
+     * @param parent    The node to get children from (node itself will not be checked)
+     * @param nodeClass The type of node to find
+     */
+    public static <T> T find(Node parent, Class<T> nodeClass) {
+        Node node = parent.getFirstChild();
+        while (node != null) {
+            Node next = node.getNext();
+            if (nodeClass.isInstance(node)) {
+                //noinspection unchecked
+                return (T) node;
+            }
+            T result = find(node, nodeClass);
+            if (result != null) {
+                return result;
+            }
+            node = next;
+        }
+        return null;
+    }
 }

From 9ec3935d7fc4982d9c407d89d6810a13fa3a8a22 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 9 Jan 2024 16:53:44 +1100
Subject: [PATCH 187/450] Beginnings of a MarkdownRenderer

Structure mostly copied from TextContentRenderer (for extension related bits).

Started with leaf blocks (in spec order), but probably good to do some inlines
too before going too far down all the blocks.

Also, container blocks might be the most interesting.
---
 .../markdown/CoreMarkdownNodeRenderer.java    | 152 ++++++++++++++++++
 .../markdown/MarkdownNodeRendererContext.java |  19 +++
 .../markdown/MarkdownNodeRendererFactory.java |  17 ++
 .../renderer/markdown/MarkdownRenderer.java   | 134 +++++++++++++++
 .../renderer/markdown/MarkdownWriter.java     |  52 ++++++
 .../markdown/MarkdownRendererTest.java        |  50 ++++++
 6 files changed, 424 insertions(+)
 create mode 100644 commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
 create mode 100644 commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java
 create mode 100644 commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java
 create mode 100644 commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
 create mode 100644 commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
 create mode 100644 commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
new file mode 100644
index 000000000..ee4fbbe95
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -0,0 +1,152 @@
+package org.commonmark.renderer.markdown;
+
+import org.commonmark.node.*;
+import org.commonmark.renderer.NodeRenderer;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * The node renderer that renders all the core nodes (comes last in the order of node renderers).
+ */
+public class CoreMarkdownNodeRenderer extends AbstractVisitor implements NodeRenderer {
+
+    protected final MarkdownNodeRendererContext context;
+    private final MarkdownWriter writer;
+
+    public CoreMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
+        this.context = context;
+        this.writer = context.getWriter();
+    }
+
+    @Override
+    public Set<Class<? extends Node>> getNodeTypes() {
+        return new HashSet<>(Arrays.asList(
+                Document.class,
+                Heading.class,
+                Paragraph.class,
+                BlockQuote.class,
+                BulletList.class,
+                FencedCodeBlock.class,
+                HtmlBlock.class,
+                ThematicBreak.class,
+                IndentedCodeBlock.class,
+                Link.class,
+                ListItem.class,
+                OrderedList.class,
+                Image.class,
+                Emphasis.class,
+                StrongEmphasis.class,
+                Text.class,
+                Code.class,
+                HtmlInline.class,
+                SoftLineBreak.class,
+                HardLineBreak.class
+        ));
+    }
+
+    @Override
+    public void render(Node node) {
+        node.accept(this);
+    }
+
+    @Override
+    public void visit(Document document) {
+        // No rendering itself
+        visitChildren(document);
+    }
+
+    @Override
+    public void visit(BlockQuote blockQuote) {
+    }
+
+    @Override
+    public void visit(BulletList bulletList) {
+    }
+
+    @Override
+    public void visit(Code code) {
+    }
+
+    @Override
+    public void visit(FencedCodeBlock fencedCodeBlock) {
+    }
+
+    @Override
+    public void visit(HardLineBreak hardLineBreak) {
+    }
+
+    @Override
+    public void visit(Heading heading) {
+        for (int i = 0; i < heading.getLevel(); i++) {
+            writer.write('#');
+        }
+        writer.write(' ');
+        visitChildren(heading);
+        writer.block();
+    }
+
+    @Override
+    public void visit(ThematicBreak thematicBreak) {
+        writer.write("***");
+        writer.block();
+    }
+
+    @Override
+    public void visit(HtmlInline htmlInline) {
+    }
+
+    @Override
+    public void visit(HtmlBlock htmlBlock) {
+    }
+
+    @Override
+    public void visit(Image image) {
+    }
+
+    @Override
+    public void visit(IndentedCodeBlock indentedCodeBlock) {
+    }
+
+    @Override
+    public void visit(Link link) {
+    }
+
+    @Override
+    public void visit(ListItem listItem) {
+    }
+
+    @Override
+    public void visit(OrderedList orderedList) {
+    }
+
+    @Override
+    public void visit(Paragraph paragraph) {
+        visitChildren(paragraph);
+        writer.block();
+    }
+
+    @Override
+    public void visit(SoftLineBreak softLineBreak) {
+    }
+
+    @Override
+    public void visit(Text text) {
+        writeText(text.getLiteral());
+    }
+
+    @Override
+    protected void visitChildren(Node parent) {
+        Node node = parent.getFirstChild();
+        while (node != null) {
+            Node next = node.getNext();
+            context.render(node);
+            node = next;
+        }
+    }
+
+    private void writeText(String text) {
+        writer.write(text);
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java
new file mode 100644
index 000000000..8fe0f73d5
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java
@@ -0,0 +1,19 @@
+package org.commonmark.renderer.markdown;
+
+import org.commonmark.node.Node;
+
+public interface MarkdownNodeRendererContext {
+
+    /**
+     * @return the writer to use
+     */
+    MarkdownWriter getWriter();
+
+    /**
+     * Render the specified node and its children using the configured renderers. This should be used to render child
+     * nodes; be careful not to pass the node that is being rendered, that would result in an endless loop.
+     *
+     * @param node the node to render
+     */
+    void render(Node node);
+}
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java
new file mode 100644
index 000000000..7b3134277
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java
@@ -0,0 +1,17 @@
+package org.commonmark.renderer.markdown;
+
+import org.commonmark.renderer.NodeRenderer;
+
+/**
+ * Factory for instantiating new node renderers ƒor rendering.
+ */
+public interface MarkdownNodeRendererFactory {
+
+    /**
+     * Create a new node renderer for the specified rendering context.
+     *
+     * @param context the context for rendering (normally passed on to the node renderer)
+     * @return a node renderer
+     */
+    NodeRenderer create(MarkdownNodeRendererContext context);
+}
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
new file mode 100644
index 000000000..6466b97a2
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
@@ -0,0 +1,134 @@
+package org.commonmark.renderer.markdown;
+
+import org.commonmark.Extension;
+import org.commonmark.internal.renderer.NodeRendererMap;
+import org.commonmark.node.Node;
+import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.renderer.Renderer;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Renders nodes to CommonMark Markdown.
+ * <p>
+ * Note that it does not currently attempt to preserve the exact syntax of the original input Markdown (if any):
+ * <ul>
+ *     <li>Headings are always output as ATX headings for simplicity</li>
+ * </ul>
+ */
+public class MarkdownRenderer implements Renderer {
+
+    private final List<MarkdownNodeRendererFactory> nodeRendererFactories;
+
+    private MarkdownRenderer(Builder builder) {
+        this.nodeRendererFactories = new ArrayList<>(builder.nodeRendererFactories.size() + 1);
+        this.nodeRendererFactories.addAll(builder.nodeRendererFactories);
+        // Add as last. This means clients can override the rendering of core nodes if they want.
+        this.nodeRendererFactories.add(new MarkdownNodeRendererFactory() {
+            @Override
+            public NodeRenderer create(MarkdownNodeRendererContext context) {
+                return new CoreMarkdownNodeRenderer(context);
+            }
+        });
+    }
+
+    /**
+     * Create a new builder for configuring a {@link MarkdownRenderer}.
+     *
+     * @return a builder
+     */
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    @Override
+    public void render(Node node, Appendable output) {
+        RendererContext context = new RendererContext(new MarkdownWriter(output));
+        context.render(node);
+    }
+
+    @Override
+    public String render(Node node) {
+        StringBuilder sb = new StringBuilder();
+        render(node, sb);
+        return sb.toString();
+    }
+
+    /**
+     * Builder for configuring a {@link MarkdownRenderer}. See methods for default configuration.
+     */
+    public static class Builder {
+
+        private List<MarkdownNodeRendererFactory> nodeRendererFactories = new ArrayList<>();
+
+        /**
+         * @return the configured {@link MarkdownRenderer}
+         */
+        public MarkdownRenderer build() {
+            return new MarkdownRenderer(this);
+        }
+
+        /**
+         * Add a factory for instantiating a node renderer (done when rendering). This allows to override the rendering
+         * of node types or define rendering for custom node types.
+         * <p>
+         * If multiple node renderers for the same node type are created, the one from the factory that was added first
+         * "wins". (This is how the rendering for core node types can be overridden; the default rendering comes last.)
+         *
+         * @param nodeRendererFactory the factory for creating a node renderer
+         * @return {@code this}
+         */
+        public Builder nodeRendererFactory(MarkdownNodeRendererFactory nodeRendererFactory) {
+            this.nodeRendererFactories.add(nodeRendererFactory);
+            return this;
+        }
+
+        /**
+         * @param extensions extensions to use on this renderer
+         * @return {@code this}
+         */
+        public Builder extensions(Iterable<? extends Extension> extensions) {
+            for (Extension extension : extensions) {
+                if (extension instanceof MarkdownRendererExtension) {
+                    MarkdownRendererExtension markdownRendererExtension = (MarkdownRendererExtension) extension;
+                    markdownRendererExtension.extend(this);
+                }
+            }
+            return this;
+        }
+    }
+
+    /**
+     * Extension for {@link MarkdownRenderer}.
+     */
+    public interface MarkdownRendererExtension extends Extension {
+        void extend(Builder rendererBuilder);
+    }
+
+    private class RendererContext implements MarkdownNodeRendererContext {
+        private final MarkdownWriter writer;
+        private final NodeRendererMap nodeRendererMap = new NodeRendererMap();
+
+        private RendererContext(MarkdownWriter writer) {
+            this.writer = writer;
+
+            // The first node renderer for a node type "wins".
+            for (int i = nodeRendererFactories.size() - 1; i >= 0; i--) {
+                MarkdownNodeRendererFactory nodeRendererFactory = nodeRendererFactories.get(i);
+                NodeRenderer nodeRenderer = nodeRendererFactory.create(this);
+                nodeRendererMap.add(nodeRenderer);
+            }
+        }
+
+        @Override
+        public MarkdownWriter getWriter() {
+            return writer;
+        }
+
+        @Override
+        public void render(Node node) {
+            nodeRendererMap.render(node);
+        }
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
new file mode 100644
index 000000000..1377d86f9
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -0,0 +1,52 @@
+package org.commonmark.renderer.markdown;
+
+import java.io.IOException;
+
+public class MarkdownWriter {
+
+    private final Appendable buffer;
+
+    private boolean prependLine = false;
+
+    public MarkdownWriter(Appendable out) {
+        buffer = out;
+    }
+
+    public void block() {
+        append('\n');
+        prependLine = true;
+    }
+
+    public void write(String s) {
+        append(s);
+    }
+
+    public void write(char c) {
+        append(c);
+    }
+
+    private void append(String s) {
+        try {
+            appendLineIfNeeded();
+            buffer.append(s);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private void append(char c) {
+        try {
+            appendLineIfNeeded();
+            buffer.append(c);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private void appendLineIfNeeded() throws IOException {
+        if (prependLine) {
+            buffer.append('\n');
+            prependLine = false;
+        }
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
new file mode 100644
index 000000000..297dfa206
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -0,0 +1,50 @@
+package org.commonmark.renderer.markdown;
+
+import org.commonmark.node.Node;
+import org.commonmark.parser.Parser;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class MarkdownRendererTest {
+
+    @Test
+    public void testThematicBreaks() {
+        assertRoundTrip("***\n");
+        // TODO: spec: If you want a thematic break in a list item, use a different bullet:
+
+        assertRoundTrip("***\n\nfoo\n");
+    }
+
+    @Test
+    public void testHeadings() {
+        // Type of heading is currently not preserved
+        assertRoundTrip("# foo\n");
+        assertRoundTrip("## foo\n");
+        assertRoundTrip("### foo\n");
+        assertRoundTrip("#### foo\n");
+        assertRoundTrip("##### foo\n");
+        assertRoundTrip("###### foo\n");
+
+        assertRoundTrip("# foo\n\nbar\n");
+    }
+
+    @Test
+    public void testParagraphs() {
+        assertRoundTrip("foo\n");
+        assertRoundTrip("foo\n\nbar\n");
+    }
+
+    private Node parse(String source) {
+        return Parser.builder().build().parse(source);
+    }
+
+    private String render(String source) {
+        return MarkdownRenderer.builder().build().render(parse(source));
+    }
+
+    private void assertRoundTrip(String input) {
+        String rendered = render(input);
+        assertEquals(input, rendered);
+    }
+}

From b25b7ead8fd8f3066b1361ff8faf2a679021a43b Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 10 Jan 2024 12:04:12 +1100
Subject: [PATCH 188/450] Code spans

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 34 +++++++++++++++++++
 .../markdown/MarkdownRendererTest.java        |  9 +++++
 2 files changed, 43 insertions(+)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index ee4fbbe95..9addf72fa 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -1,5 +1,6 @@
 package org.commonmark.renderer.markdown;
 
+import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
 import org.commonmark.renderer.NodeRenderer;
 
@@ -67,6 +68,24 @@ public void visit(BulletList bulletList) {
 
     @Override
     public void visit(Code code) {
+        String literal = code.getLiteral();
+        // If the literal includes backticks, we can surround them by using one more backtick.
+        int backticks = findMaxRunLength('`', literal);
+        for (int i = 0; i < backticks + 1; i++) {
+            writer.write('`');
+        }
+        // If the literal starts or ends with a backtick, surround it with a single space.
+        boolean addSpace = literal.startsWith("`") || literal.endsWith("`");
+        if (addSpace) {
+            writer.write(' ');
+        }
+        writer.write(literal);
+        if (addSpace) {
+            writer.write(' ');
+        }
+        for (int i = 0; i < backticks + 1; i++) {
+            writer.write('`');
+        }
     }
 
     @Override
@@ -146,6 +165,21 @@ protected void visitChildren(Node parent) {
         }
     }
 
+    private static int findMaxRunLength(char c, CharSequence s) {
+        int backticks = 0;
+        int start = 0;
+        while (start < s.length()) {
+            int index = Parsing.find(c, s, start);
+            if (index != -1) {
+                start = Parsing.skip(c, s, index + 1, s.length());
+                backticks = Math.max(backticks, start - index);
+            } else {
+                break;
+            }
+        }
+        return backticks;
+    }
+
     private void writeText(String text) {
         writer.write(text);
     }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 297dfa206..caa4bdf88 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -35,6 +35,15 @@ public void testParagraphs() {
         assertRoundTrip("foo\n\nbar\n");
     }
 
+    @Test
+    public void testCodeSpans() {
+        assertRoundTrip("`foo`\n");
+        assertRoundTrip("``foo ` bar``\n");
+        assertRoundTrip("```foo `` ` bar```\n");
+
+        assertRoundTrip("`` `foo ``\n");
+    }
+
     private Node parse(String source) {
         return Parser.builder().build().parse(source);
     }

From aa7ac8b5183a8a3715de0eebfe49feec72c98306 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 10 Jan 2024 15:43:49 +1100
Subject: [PATCH 189/450] Add test that renders the spec examples through
 Markdown

---
 .../markdown/SpecMarkdownRendererTest.java    | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java

diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
new file mode 100644
index 000000000..87d7507c6
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -0,0 +1,56 @@
+package org.commonmark.renderer.markdown;
+
+import org.commonmark.node.Node;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.testutil.TestResources;
+import org.commonmark.testutil.example.Example;
+import org.commonmark.testutil.example.ExampleReader;
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Tests Markdown rendering using the examples in the spec like this:
+ * <ol>
+ * <li>Parses the source to an AST and then renders it back to Markdown</li>
+ * <li>Parses that to an AST and then renders it to HTML</li>
+ * <li>Compares that HTML to the expected HTML of the example:
+ * If it's the same, then the expected elements were preserved in the Markdown rendering</li>
+ * </ol>
+ */
+public class SpecMarkdownRendererTest {
+
+    public static final MarkdownRenderer MARKDOWN_RENDERER = MarkdownRenderer.builder().build();
+    public static final HtmlRenderer HTML_RENDERER = HtmlRenderer.builder().build();
+
+    @Test
+    public void testCoverage() {
+        List<Example> examples = ExampleReader.readExamples(TestResources.getSpec());
+        int passed = 0;
+        for (Example example : examples) {
+            String markdown = renderMarkdown(example.getSource());
+            String rendered = renderHtml(markdown);
+            if (rendered.equals(example.getHtml())) {
+                passed++;
+            }
+        }
+
+        int expectedPassed = 151;
+        assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passed, passed >= expectedPassed);
+    }
+
+    private Node parse(String source) {
+        return Parser.builder().build().parse(source);
+    }
+
+    private String renderMarkdown(String source) {
+        return MARKDOWN_RENDERER.render(parse(source));
+    }
+
+    private String renderHtml(String source) {
+        return HTML_RENDERER.render(parse(source));
+    }
+}

From bd8fa6a348f74e6a3c6d0fb7762d23bc030caeab Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 10 Jan 2024 15:57:58 +1100
Subject: [PATCH 190/450] Count how many examples pass/fail

---
 .../commonmark/testutil/example/Example.java  |  4 +++
 .../markdown/SpecMarkdownRendererTest.java    | 33 +++++++++++++++++--
 2 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/example/Example.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/example/Example.java
index 417a66097..11e87d0aa 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/example/Example.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/example/Example.java
@@ -30,6 +30,10 @@ public String getHtml() {
         return html;
     }
 
+    public String getSection() {
+        return section;
+    }
+
     @Override
     public String toString() {
         return "File \"" + filename + "\" section \"" + section + "\" example " + exampleNumber;
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 87d7507c6..06791e20f 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -8,7 +8,10 @@
 import org.commonmark.testutil.example.ExampleReader;
 import org.junit.Test;
 
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 import static org.junit.Assert.assertTrue;
 
@@ -29,17 +32,41 @@ public class SpecMarkdownRendererTest {
     @Test
     public void testCoverage() {
         List<Example> examples = ExampleReader.readExamples(TestResources.getSpec());
-        int passed = 0;
+        List<Example> passes = new ArrayList<>();
+        List<Example> fails = new ArrayList<>();
         for (Example example : examples) {
             String markdown = renderMarkdown(example.getSource());
             String rendered = renderHtml(markdown);
             if (rendered.equals(example.getHtml())) {
-                passed++;
+                passes.add(example);
+            } else {
+                fails.add(example);
             }
         }
 
+        System.out.println("Failed examples by section:");
+        printCountsBySection(fails);
+        System.out.println();
+
+        System.out.println("Passed examples by section:");
+        printCountsBySection(passes);
+
         int expectedPassed = 151;
-        assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passed, passed >= expectedPassed);
+        assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
+    }
+
+    private static void printCountsBySection(List<Example> examples) {
+        Map<String, Integer> bySection = new LinkedHashMap<>();
+        for (Example example : examples) {
+            Integer count = bySection.get(example.getSection());
+            if (count == null) {
+                count = 0;
+            }
+            bySection.put(example.getSection(), count + 1);
+        }
+        for (Map.Entry<String, Integer> entry : bySection.entrySet()) {
+            System.out.println(entry.getKey() + ": " + entry.getValue());
+        }
     }
 
     private Node parse(String source) {

From 25abdad8665e0652c1f98cf4add17946294b5bd8 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 10 Jan 2024 16:21:44 +1100
Subject: [PATCH 191/450] Emphasis and strong emphasis

---
 .../markdown/CoreMarkdownNodeRenderer.java     | 16 ++++++++++++++++
 .../renderer/markdown/MarkdownWriter.java      | 12 ++++++++++++
 .../markdown/MarkdownRendererTest.java         | 18 ++++++++++++++++++
 .../markdown/SpecMarkdownRendererTest.java     | 10 +++++-----
 4 files changed, 51 insertions(+), 5 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 9addf72fa..c968da850 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -88,6 +88,15 @@ public void visit(Code code) {
         }
     }
 
+    @Override
+    public void visit(Emphasis emphasis) {
+        // When emphasis is nested, a different delimiter needs to be used
+        char delimiter = writer.getLastChar() == '*' ? '_' : '*';
+        writer.write(delimiter);
+        super.visit(emphasis);
+        writer.write(delimiter);
+    }
+
     @Override
     public void visit(FencedCodeBlock fencedCodeBlock) {
     }
@@ -150,6 +159,13 @@ public void visit(Paragraph paragraph) {
     public void visit(SoftLineBreak softLineBreak) {
     }
 
+    @Override
+    public void visit(StrongEmphasis strongEmphasis) {
+        writer.write("**");
+        super.visit(strongEmphasis);
+        writer.write("**");
+    }
+
     @Override
     public void visit(Text text) {
         writeText(text.getLiteral());
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index 1377d86f9..fd79ce6af 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -7,11 +7,16 @@ public class MarkdownWriter {
     private final Appendable buffer;
 
     private boolean prependLine = false;
+    private char lastChar;
 
     public MarkdownWriter(Appendable out) {
         buffer = out;
     }
 
+    public char getLastChar() {
+        return lastChar;
+    }
+
     public void block() {
         append('\n');
         prependLine = true;
@@ -32,6 +37,11 @@ private void append(String s) {
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
+
+        int length = s.length();
+        if (length != 0) {
+            lastChar = s.charAt(length - 1);
+        }
     }
 
     private void append(char c) {
@@ -41,6 +51,8 @@ private void append(char c) {
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
+
+        lastChar = c;
     }
 
     private void appendLineIfNeeded() throws IOException {
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index caa4bdf88..0a2983a90 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -44,6 +44,24 @@ public void testCodeSpans() {
         assertRoundTrip("`` `foo ``\n");
     }
 
+    @Test
+    public void testEmphasis() {
+        assertRoundTrip("*foo*\n");
+        assertRoundTrip("foo*bar*\n");
+        // When nesting, a different delimiter needs to be used
+        assertRoundTrip("*_foo_*\n");
+        assertRoundTrip("*_*foo*_*\n");
+
+        // Not emphasis (needs * inside words)
+        assertRoundTrip("foo_bar_\n");
+    }
+
+    @Test
+    public void testStrongEmphasis() {
+        assertRoundTrip("**foo**\n");
+        assertRoundTrip("foo**bar**\n");
+    }
+
     private Node parse(String source) {
         return Parser.builder().build().parse(source);
     }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 06791e20f..c94465e7a 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -44,14 +44,14 @@ public void testCoverage() {
             }
         }
 
-        System.out.println("Failed examples by section:");
-        printCountsBySection(fails);
+        System.out.println("Passed examples by section (total " + passes.size() + "):");
+        printCountsBySection(passes);
         System.out.println();
 
-        System.out.println("Passed examples by section:");
-        printCountsBySection(passes);
+        System.out.println("Failed examples by section (total " + fails.size() + "):");
+        printCountsBySection(fails);
 
-        int expectedPassed = 151;
+        int expectedPassed = 226;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 3e99b4886e4aac77856d05aaaf56e3868cb05c78 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 10 Jan 2024 16:27:36 +1100
Subject: [PATCH 192/450] Line breaks

---
 .../renderer/markdown/CoreMarkdownNodeRenderer.java    |  3 +++
 .../commonmark/renderer/markdown/MarkdownWriter.java   |  4 ++++
 .../renderer/markdown/MarkdownRendererTest.java        | 10 ++++++++++
 .../renderer/markdown/SpecMarkdownRendererTest.java    |  2 +-
 4 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index c968da850..1f2943951 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -103,6 +103,8 @@ public void visit(FencedCodeBlock fencedCodeBlock) {
 
     @Override
     public void visit(HardLineBreak hardLineBreak) {
+        writer.write("  ");
+        writer.line();
     }
 
     @Override
@@ -157,6 +159,7 @@ public void visit(Paragraph paragraph) {
 
     @Override
     public void visit(SoftLineBreak softLineBreak) {
+        writer.line();
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index fd79ce6af..5753026a8 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -22,6 +22,10 @@ public void block() {
         prependLine = true;
     }
 
+    public void line() {
+        append('\n');
+    }
+
     public void write(String s) {
         append(s);
     }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 0a2983a90..619830aec 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -62,6 +62,16 @@ public void testStrongEmphasis() {
         assertRoundTrip("foo**bar**\n");
     }
 
+    @Test
+    public void testHardLineBreaks() {
+        assertRoundTrip("foo  \nbar\n");
+    }
+
+    @Test
+    public void testSoftLineBreaks() {
+        assertRoundTrip("foo\nbar\n");
+    }
+
     private Node parse(String source) {
         return Parser.builder().build().parse(source);
     }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index c94465e7a..11a077b13 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -51,7 +51,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 226;
+        int expectedPassed = 263;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 43006b2d572e30b1e054352fcf10600a297fc8cc Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 10 Jan 2024 17:37:45 +1100
Subject: [PATCH 193/450] Links and images

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 41 +++++++++++++++++++
 .../renderer/markdown/MarkdownRenderer.java   |  2 +
 .../renderer/markdown/MarkdownWriter.java     | 22 ++++++++++
 .../markdown/MarkdownRendererTest.java        | 24 +++++++++++
 .../markdown/SpecMarkdownRendererTest.java    |  4 +-
 5 files changed, 91 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 1f2943951..376841ec7 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -1,5 +1,7 @@
 package org.commonmark.renderer.markdown;
 
+import org.commonmark.internal.util.AsciiMatcher;
+import org.commonmark.internal.util.CharMatcher;
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
 import org.commonmark.renderer.NodeRenderer;
@@ -13,6 +15,13 @@
  */
 public class CoreMarkdownNodeRenderer extends AbstractVisitor implements NodeRenderer {
 
+    private final CharMatcher linkDestinationNeedsAngleBrackets =
+            AsciiMatcher.builder().c(' ').c('(').c(')').c('<').c('>').c('\\').build();
+    private final CharMatcher linkDestinationEscapeInAngleBrackets =
+            AsciiMatcher.builder().c('<').c('>').build();
+    private final CharMatcher linkTitleEscapeInQuotes =
+            AsciiMatcher.builder().c('"').build();
+
     protected final MarkdownNodeRendererContext context;
     private final MarkdownWriter writer;
 
@@ -133,6 +142,7 @@ public void visit(HtmlBlock htmlBlock) {
 
     @Override
     public void visit(Image image) {
+        writeLinkLike(image.getTitle(), image.getDestination(), image, "![");
     }
 
     @Override
@@ -141,6 +151,7 @@ public void visit(IndentedCodeBlock indentedCodeBlock) {
 
     @Override
     public void visit(Link link) {
+        writeLinkLike(link.getTitle(), link.getDestination(), link, "[");
     }
 
     @Override
@@ -199,7 +210,37 @@ private static int findMaxRunLength(char c, CharSequence s) {
         return backticks;
     }
 
+    private static boolean contains(String s, CharMatcher charMatcher) {
+        for (int i = 0; i < s.length(); i++) {
+            if (charMatcher.matches(s.charAt(i))) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     private void writeText(String text) {
         writer.write(text);
     }
+
+    private void writeLinkLike(String title, String destination, Node node, String opener) {
+        writer.write(opener);
+        visitChildren(node);
+        writer.write(']');
+        writer.write('(');
+        if (contains(destination, linkDestinationNeedsAngleBrackets)) {
+            writer.write('<');
+            writer.writeEscaped(destination, linkDestinationEscapeInAngleBrackets);
+            writer.write('>');
+        } else {
+            writer.write(destination);
+        }
+        if (title != null) {
+            writer.write(' ');
+            writer.write('"');
+            writer.writeEscaped(title, linkTitleEscapeInQuotes);
+            writer.write('"');
+        }
+        writer.write(')');
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
index 6466b97a2..4dc8dbff9 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
@@ -15,6 +15,8 @@
  * Note that it does not currently attempt to preserve the exact syntax of the original input Markdown (if any):
  * <ul>
  *     <li>Headings are always output as ATX headings for simplicity</li>
+ *     <li>Escaping might be over-eager, e.g. a plain {@code *} might be escaped
+ *     even though it doesn't need to be in that particular context</li>
  * </ul>
  */
 public class MarkdownRenderer implements Renderer {
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index 5753026a8..fd88b73ef 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -1,5 +1,7 @@
 package org.commonmark.renderer.markdown;
 
+import org.commonmark.internal.util.CharMatcher;
+
 import java.io.IOException;
 
 public class MarkdownWriter {
@@ -34,6 +36,26 @@ public void write(char c) {
         append(c);
     }
 
+    public void writeEscaped(String s, CharMatcher escape) {
+        if (s.isEmpty()) {
+            return;
+        }
+        try {
+            appendLineIfNeeded();
+            for (int i = 0; i < s.length(); i++) {
+                char ch = s.charAt(i);
+                if (ch == '\\' || escape.matches(ch)) {
+                    buffer.append('\\');
+                }
+                buffer.append(ch);
+            }
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+
+        lastChar = s.charAt(s.length() - 1);
+    }
+
     private void append(String s) {
         try {
             appendLineIfNeeded();
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 619830aec..263631f1f 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -62,6 +62,30 @@ public void testStrongEmphasis() {
         assertRoundTrip("foo**bar**\n");
     }
 
+    @Test
+    public void testLinks() {
+        assertRoundTrip("[link](/uri)\n");
+        assertRoundTrip("[link](/uri \"title\")\n");
+        assertRoundTrip("[link](</my uri>)\n");
+        assertRoundTrip("[a](<b)c>)\n");
+        assertRoundTrip("[a](<b(c>)\n");
+        assertRoundTrip("[a](<b\\>c>)\n");
+        assertRoundTrip("[a](<b\\\\\\>c>)\n");
+        assertRoundTrip("[a](/uri \"foo \\\" bar\")\n");
+    }
+
+    @Test
+    public void testImages() {
+        assertRoundTrip("![link](/uri)\n");
+        assertRoundTrip("![link](/uri \"title\")\n");
+        assertRoundTrip("![link](</my uri>)\n");
+        assertRoundTrip("![a](<b)c>)\n");
+        assertRoundTrip("![a](<b(c>)\n");
+        assertRoundTrip("![a](<b\\>c>)\n");
+        assertRoundTrip("![a](<b\\\\\\>c>)\n");
+        assertRoundTrip("![a](/uri \"foo \\\" bar\")\n");
+    }
+
     @Test
     public void testHardLineBreaks() {
         assertRoundTrip("foo  \nbar\n");
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 11a077b13..c05aef846 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -51,7 +51,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 263;
+        int expectedPassed = 372;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 
@@ -65,7 +65,7 @@ private static void printCountsBySection(List<Example> examples) {
             bySection.put(example.getSection(), count + 1);
         }
         for (Map.Entry<String, Integer> entry : bySection.entrySet()) {
-            System.out.println(entry.getKey() + ": " + entry.getValue());
+            System.out.println(entry.getValue() + ": " + entry.getKey());
         }
     }
 

From 88c767a67040c2f2308f1745d3f0f3592641c663 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 10 Jan 2024 17:44:11 +1100
Subject: [PATCH 194/450] HTML blocks and inlines

---
 .../renderer/markdown/CoreMarkdownNodeRenderer.java    |  3 +++
 .../renderer/markdown/MarkdownRendererTest.java        | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 376841ec7..77b6b0c17 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -134,10 +134,13 @@ public void visit(ThematicBreak thematicBreak) {
 
     @Override
     public void visit(HtmlInline htmlInline) {
+        writer.write(htmlInline.getLiteral());
     }
 
     @Override
     public void visit(HtmlBlock htmlBlock) {
+        writer.write(htmlBlock.getLiteral());
+        writer.block();
     }
 
     @Override
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 263631f1f..e9c300cbb 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -29,6 +29,11 @@ public void testHeadings() {
         assertRoundTrip("# foo\n\nbar\n");
     }
 
+    @Test
+    public void testHtmlBlocks() {
+        assertRoundTrip("<div>test</div>\n");
+    }
+
     @Test
     public void testParagraphs() {
         assertRoundTrip("foo\n");
@@ -86,6 +91,11 @@ public void testImages() {
         assertRoundTrip("![a](/uri \"foo \\\" bar\")\n");
     }
 
+    @Test
+    public void testHtmlInline() {
+        assertRoundTrip("<del>*foo*</del>\n");
+    }
+
     @Test
     public void testHardLineBreaks() {
         assertRoundTrip("foo  \nbar\n");

From e4ced9b071a32c2c14c614a0cbcd3c2ae4b4c9e6 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 10 Jan 2024 18:15:53 +1100
Subject: [PATCH 195/450] Block quotes

---
 .../markdown/CoreMarkdownNodeRenderer.java    |  6 +++
 .../renderer/markdown/MarkdownWriter.java     | 41 ++++++++++++++-----
 .../markdown/MarkdownRendererTest.java        | 14 +++++++
 .../markdown/SpecMarkdownRendererTest.java    |  2 +-
 4 files changed, 52 insertions(+), 11 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 77b6b0c17..04be11214 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -65,10 +65,16 @@ public void render(Node node) {
     public void visit(Document document) {
         // No rendering itself
         visitChildren(document);
+        writer.line();
     }
 
     @Override
     public void visit(BlockQuote blockQuote) {
+        writer.write("> ");
+        writer.pushPrefix("> ");
+        visitChildren(blockQuote);
+        writer.popPrefix();
+        writer.block();
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index fd88b73ef..71c820559 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -3,13 +3,15 @@
 import org.commonmark.internal.util.CharMatcher;
 
 import java.io.IOException;
+import java.util.LinkedList;
 
 public class MarkdownWriter {
 
     private final Appendable buffer;
 
-    private boolean prependLine = false;
+    private boolean finishBlock = false;
     private char lastChar;
+    private final LinkedList<String> prefixes = new LinkedList<>();
 
     public MarkdownWriter(Appendable out) {
         buffer = out;
@@ -20,19 +22,21 @@ public char getLastChar() {
     }
 
     public void block() {
-        append('\n');
-        prependLine = true;
+        finishBlock = true;
     }
 
     public void line() {
         append('\n');
+        writePrefixes();
     }
 
     public void write(String s) {
+        finishBlockIfNeeded();
         append(s);
     }
 
     public void write(char c) {
+        finishBlockIfNeeded();
         append(c);
     }
 
@@ -40,8 +44,8 @@ public void writeEscaped(String s, CharMatcher escape) {
         if (s.isEmpty()) {
             return;
         }
+        finishBlockIfNeeded();
         try {
-            appendLineIfNeeded();
             for (int i = 0; i < s.length(); i++) {
                 char ch = s.charAt(i);
                 if (ch == '\\' || escape.matches(ch)) {
@@ -56,9 +60,16 @@ public void writeEscaped(String s, CharMatcher escape) {
         lastChar = s.charAt(s.length() - 1);
     }
 
+    public void pushPrefix(String prefix) {
+        prefixes.addLast(prefix);
+    }
+
+    public void popPrefix() {
+        prefixes.removeLast();
+    }
+
     private void append(String s) {
         try {
-            appendLineIfNeeded();
             buffer.append(s);
         } catch (IOException e) {
             throw new RuntimeException(e);
@@ -72,7 +83,6 @@ private void append(String s) {
 
     private void append(char c) {
         try {
-            appendLineIfNeeded();
             buffer.append(c);
         } catch (IOException e) {
             throw new RuntimeException(e);
@@ -81,10 +91,21 @@ private void append(char c) {
         lastChar = c;
     }
 
-    private void appendLineIfNeeded() throws IOException {
-        if (prependLine) {
-            buffer.append('\n');
-            prependLine = false;
+    private void finishBlockIfNeeded() {
+        if (finishBlock) {
+            finishBlock = false;
+            append('\n');
+            writePrefixes();
+            append('\n');
+            writePrefixes();
+        }
+    }
+
+    private void writePrefixes() {
+        if (!prefixes.isEmpty()) {
+            for (String prefix : prefixes) {
+                append(prefix);
+            }
         }
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index e9c300cbb..d2243d1b8 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -8,6 +8,8 @@
 
 public class MarkdownRendererTest {
 
+    // Leaf blocks
+
     @Test
     public void testThematicBreaks() {
         assertRoundTrip("***\n");
@@ -40,6 +42,18 @@ public void testParagraphs() {
         assertRoundTrip("foo\n\nbar\n");
     }
 
+    // Container blocks
+
+    @Test
+    public void testBlockQuotes() {
+        assertRoundTrip("> test\n");
+        assertRoundTrip("> foo\n> bar\n");
+        assertRoundTrip("> > foo\n> > bar\n");
+        assertRoundTrip("> # Foo\n> \n> bar\n> baz\n");
+    }
+
+    // Inlines
+
     @Test
     public void testCodeSpans() {
         assertRoundTrip("`foo`\n");
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index c05aef846..e40ec457a 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -51,7 +51,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 372;
+        int expectedPassed = 459;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From f640e94142873b69729e7bdee54810b5d3c8a82b Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 10 Jan 2024 21:17:00 +1100
Subject: [PATCH 196/450] Indented code blocks

---
 .../markdown/CoreMarkdownNodeRenderer.java        | 15 +++++++++++++++
 .../renderer/markdown/MarkdownRendererTest.java   |  7 +++++++
 .../markdown/SpecMarkdownRendererTest.java        |  2 +-
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 04be11214..ad0d276ae 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -156,6 +156,21 @@ public void visit(Image image) {
 
     @Override
     public void visit(IndentedCodeBlock indentedCodeBlock) {
+        String literal = indentedCodeBlock.getLiteral();
+        String[] lines = literal.split("\n");
+        // We need to respect line prefixes which is why we need to write it line by line (e.g. an indented code block
+        // within a block quote)
+        writer.pushPrefix("    ");
+        writer.write("    ");
+        for (int i = 0; i < lines.length; i++) {
+            String line = lines[i];
+            writer.write(line);
+            if (i != lines.length - 1) {
+                writer.line();
+            }
+        }
+        writer.popPrefix();
+        writer.block();
     }
 
     @Override
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index d2243d1b8..e8f0bd7ac 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -31,6 +31,13 @@ public void testHeadings() {
         assertRoundTrip("# foo\n\nbar\n");
     }
 
+    @Test
+    public void testIndentedCodeBlocks() {
+        assertRoundTrip("    hi\n");
+        assertRoundTrip("    hi\n    code\n");
+        assertRoundTrip(">     hi\n>     code\n");
+    }
+
     @Test
     public void testHtmlBlocks() {
         assertRoundTrip("<div>test</div>\n");
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index e40ec457a..225c34525 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -51,7 +51,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 459;
+        int expectedPassed = 481;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 31e36645fb3585dc500726c9ef775c2192f7edbb Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 10 Jan 2024 21:29:03 +1100
Subject: [PATCH 197/450] Fenced code blocks

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 36 ++++++++++++++++++-
 .../markdown/MarkdownRendererTest.java        |  8 +++++
 .../markdown/SpecMarkdownRendererTest.java    |  2 +-
 3 files changed, 44 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index ad0d276ae..cec810e34 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -114,6 +114,32 @@ public void visit(Emphasis emphasis) {
 
     @Override
     public void visit(FencedCodeBlock fencedCodeBlock) {
+        String literal = fencedCodeBlock.getLiteral();
+        String fence = repeat(String.valueOf(fencedCodeBlock.getFenceChar()), fencedCodeBlock.getFenceLength());
+        int indent = fencedCodeBlock.getFenceIndent();
+
+        if (indent > 0) {
+            String indentPrefix = repeat(" ", indent);
+            writer.write(indentPrefix);
+            writer.pushPrefix(indentPrefix);
+        }
+
+        writer.write(fence);
+        if (fencedCodeBlock.getInfo() != null) {
+            writer.write(fencedCodeBlock.getInfo());
+        }
+        writer.line();
+        String[] lines = literal.split("\n");
+        for (int i = 0; i < lines.length; i++) {
+            String line = lines[i];
+            writer.write(line);
+            writer.line();
+        }
+        writer.write(fence);
+        if (indent > 0) {
+            writer.popPrefix();
+        }
+        writer.block();
     }
 
     @Override
@@ -160,8 +186,8 @@ public void visit(IndentedCodeBlock indentedCodeBlock) {
         String[] lines = literal.split("\n");
         // We need to respect line prefixes which is why we need to write it line by line (e.g. an indented code block
         // within a block quote)
-        writer.pushPrefix("    ");
         writer.write("    ");
+        writer.pushPrefix("    ");
         for (int i = 0; i < lines.length; i++) {
             String line = lines[i];
             writer.write(line);
@@ -243,6 +269,14 @@ private static boolean contains(String s, CharMatcher charMatcher) {
         return false;
     }
 
+    private static String repeat(String s, int count) {
+        StringBuilder sb = new StringBuilder(s.length() * count);
+        for (int i = 0; i < count; i++) {
+            sb.append(s);
+        }
+        return sb.toString();
+    }
+
     private void writeText(String text) {
         writer.write(text);
     }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index e8f0bd7ac..04b6cc262 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -38,6 +38,14 @@ public void testIndentedCodeBlocks() {
         assertRoundTrip(">     hi\n>     code\n");
     }
 
+    @Test
+    public void testFencedCodeBlocks() {
+        assertRoundTrip("```\ntest\n```\n");
+        assertRoundTrip("~~~~\ntest\n~~~~\n");
+        assertRoundTrip("```info\ntest\n```\n");
+        assertRoundTrip(" ```\n test\n ```\n");
+    }
+
     @Test
     public void testHtmlBlocks() {
         assertRoundTrip("<div>test</div>\n");
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 225c34525..703b52bfc 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -51,7 +51,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 481;
+        int expectedPassed = 507;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From bbde769f5723ab2b2ae5a0016670e82b1e608196 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 11 Jan 2024 16:08:42 +1100
Subject: [PATCH 198/450] Lists (not tight lists yet)

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 67 ++++++++++++++++++-
 .../markdown/MarkdownRendererTest.java        | 19 ++++++
 .../markdown/SpecMarkdownRendererTest.java    |  2 +-
 3 files changed, 84 insertions(+), 4 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index cec810e34..77bd855ea 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -24,6 +24,11 @@ public class CoreMarkdownNodeRenderer extends AbstractVisitor implements NodeRen
 
     protected final MarkdownNodeRendererContext context;
     private final MarkdownWriter writer;
+    /**
+     * If we're currently within a {@link BulletList} or {@link OrderedList}, this keeps the context of that list.
+     * It has a parent field so that it can represent a stack (for nested lists).
+     */
+    private ListHolder listHolder;
 
     public CoreMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
         this.context = context;
@@ -79,6 +84,9 @@ public void visit(BlockQuote blockQuote) {
 
     @Override
     public void visit(BulletList bulletList) {
+        listHolder = new BulletListHolder(listHolder, bulletList);
+        visitChildren(bulletList);
+        listHolder = listHolder.parent;
     }
 
     @Override
@@ -130,8 +138,7 @@ public void visit(FencedCodeBlock fencedCodeBlock) {
         }
         writer.line();
         String[] lines = literal.split("\n");
-        for (int i = 0; i < lines.length; i++) {
-            String line = lines[i];
+        for (String line : lines) {
             writer.write(line);
             writer.line();
         }
@@ -206,16 +213,42 @@ public void visit(Link link) {
 
     @Override
     public void visit(ListItem listItem) {
+        boolean pushedPrefix = false;
+        if (listHolder instanceof BulletListHolder) {
+            BulletListHolder bulletListHolder = (BulletListHolder) listHolder;
+            String prefix = bulletListHolder.bulletMarker + " ";
+            writer.write(prefix);
+            writer.pushPrefix(repeat(" ", prefix.length()));
+            pushedPrefix = true;
+        } else if (listHolder instanceof OrderedListHolder) {
+            OrderedListHolder orderedListHolder = (OrderedListHolder) listHolder;
+            String prefix = String.valueOf(orderedListHolder.number) + orderedListHolder.delimiter + " ";
+            orderedListHolder.number++;
+            writer.write(prefix);
+            writer.pushPrefix(repeat(" ", prefix.length()));
+            pushedPrefix = true;
+        }
+        visitChildren(listItem);
+        if (pushedPrefix) {
+            writer.popPrefix();
+        }
     }
 
     @Override
     public void visit(OrderedList orderedList) {
+        listHolder = new OrderedListHolder(listHolder, orderedList);
+        visitChildren(orderedList);
+        listHolder = listHolder.parent;
     }
 
     @Override
     public void visit(Paragraph paragraph) {
         visitChildren(paragraph);
-        writer.block();
+        if (paragraph.getParent() instanceof ListItem) {
+            writer.block();
+        } else {
+            writer.block();
+        }
     }
 
     @Override
@@ -301,4 +334,32 @@ private void writeLinkLike(String title, String destination, Node node, String o
         }
         writer.write(')');
     }
+
+    private static class ListHolder {
+        final ListHolder parent;
+
+        protected ListHolder(ListHolder parent) {
+            this.parent = parent;
+        }
+    }
+
+    private static class BulletListHolder extends ListHolder {
+        final char bulletMarker;
+
+        public BulletListHolder(ListHolder parent, BulletList bulletList) {
+            super(parent);
+            this.bulletMarker = bulletList.getBulletMarker();
+        }
+    }
+
+    private static class OrderedListHolder extends ListHolder {
+        final char delimiter;
+        private int number;
+
+        protected OrderedListHolder(ListHolder parent, OrderedList orderedList) {
+            super(parent);
+            delimiter = orderedList.getDelimiter();
+            number = orderedList.getStartNumber();
+        }
+    }
 }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 04b6cc262..16719e8fc 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -67,6 +67,25 @@ public void testBlockQuotes() {
         assertRoundTrip("> # Foo\n> \n> bar\n> baz\n");
     }
 
+    @Test
+    public void testBulletListItems() {
+        assertRoundTrip("* foo\n");
+        assertRoundTrip("- foo\n");
+        assertRoundTrip("+ foo\n");
+        assertRoundTrip("* foo\n  bar\n");
+        assertRoundTrip("* ```\n  code\n  ```\n");
+        assertRoundTrip("* foo\n\n* bar\n");
+
+        // Tight list
+//        assertRoundTrip("* foo\n* bar\n");
+    }
+
+    @Test
+    public void testOrderedListItems() {
+        assertRoundTrip("1. foo\n");
+        assertRoundTrip("2. foo\n\n3. bar\n");
+    }
+
     // Inlines
 
     @Test
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 703b52bfc..c980c8682 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -51,7 +51,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 507;
+        int expectedPassed = 564;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From b82d7cee637fe322a6afc726c60562f91021c37d Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 11 Jan 2024 16:24:17 +1100
Subject: [PATCH 199/450] Percent encode URLs in spec test (like in other spec
 tests)

---
 .../renderer/markdown/SpecMarkdownRendererTest.java          | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index c980c8682..d2ab3c110 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -27,7 +27,8 @@
 public class SpecMarkdownRendererTest {
 
     public static final MarkdownRenderer MARKDOWN_RENDERER = MarkdownRenderer.builder().build();
-    public static final HtmlRenderer HTML_RENDERER = HtmlRenderer.builder().build();
+    // The spec says URL-escaping is optional, but the examples assume that it's enabled.
+    public static final HtmlRenderer HTML_RENDERER = HtmlRenderer.builder().percentEncodeUrls(true).build();
 
     @Test
     public void testCoverage() {
@@ -51,7 +52,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 564;
+        int expectedPassed = 574;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From d0e89f4ea7bc6a0b870abe8006911fb32ebcc2b0 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 11 Jan 2024 16:44:00 +1100
Subject: [PATCH 200/450] Fix code spans with spaces

---
 .../renderer/markdown/CoreMarkdownNodeRenderer.java          | 5 ++++-
 .../commonmark/renderer/markdown/MarkdownRendererTest.java   | 2 ++
 .../renderer/markdown/SpecMarkdownRendererTest.java          | 2 +-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 77bd855ea..682545c65 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -98,7 +98,10 @@ public void visit(Code code) {
             writer.write('`');
         }
         // If the literal starts or ends with a backtick, surround it with a single space.
-        boolean addSpace = literal.startsWith("`") || literal.endsWith("`");
+        // If it starts and ends with a space (but is not only spaces), add an additional space (otherwise they would
+        // get removed on parsing).
+        boolean addSpace = literal.startsWith("`") || literal.endsWith("`") ||
+                (literal.startsWith(" ") && literal.endsWith(" ") && Parsing.hasNonSpace(literal));
         if (addSpace) {
             writer.write(' ');
         }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 16719e8fc..a0cea3878 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -95,6 +95,8 @@ public void testCodeSpans() {
         assertRoundTrip("```foo `` ` bar```\n");
 
         assertRoundTrip("`` `foo ``\n");
+        assertRoundTrip("``  `  ``\n");
+        assertRoundTrip("` `\n");
     }
 
     @Test
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index d2ab3c110..e03c991fe 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -52,7 +52,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 574;
+        int expectedPassed = 575;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From a4eecb5e29d6d12e0562a1eca9e788c4618239ac Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 11 Jan 2024 16:48:32 +1100
Subject: [PATCH 201/450] Escape special characters in normal text

---
 .../renderer/markdown/CoreMarkdownNodeRenderer.java       | 8 +++-----
 .../renderer/markdown/MarkdownRendererTest.java           | 8 ++++++++
 .../renderer/markdown/SpecMarkdownRendererTest.java       | 2 +-
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 682545c65..22aa171df 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -15,6 +15,8 @@
  */
 public class CoreMarkdownNodeRenderer extends AbstractVisitor implements NodeRenderer {
 
+    private final CharMatcher textEscape =
+            AsciiMatcher.builder().c('[').c(']').c('<').c('>').c('`').build();
     private final CharMatcher linkDestinationNeedsAngleBrackets =
             AsciiMatcher.builder().c(' ').c('(').c(')').c('<').c('>').c('\\').build();
     private final CharMatcher linkDestinationEscapeInAngleBrackets =
@@ -268,7 +270,7 @@ public void visit(StrongEmphasis strongEmphasis) {
 
     @Override
     public void visit(Text text) {
-        writeText(text.getLiteral());
+        writer.writeEscaped(text.getLiteral(), textEscape);
     }
 
     @Override
@@ -313,10 +315,6 @@ private static String repeat(String s, int count) {
         return sb.toString();
     }
 
-    private void writeText(String text) {
-        writer.write(text);
-    }
-
     private void writeLinkLike(String title, String destination, Node node, String opener) {
         writer.write(opener);
         visitChildren(node);
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index a0cea3878..3c6925c03 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -88,6 +88,14 @@ public void testOrderedListItems() {
 
     // Inlines
 
+    @Test
+    public void testEscaping() {
+        // These are a bit tricky. We always escape some characters, even though they only need escaping if they would
+        // otherwise result in a different parse result (e.g. a link):
+        assertRoundTrip("\\[a\\](/uri)\n");
+        assertRoundTrip("\\`abc\\`\n");
+    }
+
     @Test
     public void testCodeSpans() {
         assertRoundTrip("`foo`\n");
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index e03c991fe..37253fb6f 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -52,7 +52,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 575;
+        int expectedPassed = 590;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 9f7d9499a0b7e9ddc8fd880b3c5f1bf801ad59da Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 11 Jan 2024 17:03:45 +1100
Subject: [PATCH 202/450] Fix empty fenced code blocks

---
 .../renderer/markdown/CoreMarkdownNodeRenderer.java    | 10 ++++++----
 .../renderer/markdown/MarkdownRendererTest.java        |  1 +
 .../renderer/markdown/SpecMarkdownRendererTest.java    |  2 +-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 22aa171df..34533c633 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -142,10 +142,12 @@ public void visit(FencedCodeBlock fencedCodeBlock) {
             writer.write(fencedCodeBlock.getInfo());
         }
         writer.line();
-        String[] lines = literal.split("\n");
-        for (String line : lines) {
-            writer.write(line);
-            writer.line();
+        if (!literal.isEmpty()) {
+            String[] lines = literal.split("\n");
+            for (String line : lines) {
+                writer.write(line);
+                writer.line();
+            }
         }
         writer.write(fence);
         if (indent > 0) {
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 3c6925c03..a1c848ccd 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -44,6 +44,7 @@ public void testFencedCodeBlocks() {
         assertRoundTrip("~~~~\ntest\n~~~~\n");
         assertRoundTrip("```info\ntest\n```\n");
         assertRoundTrip(" ```\n test\n ```\n");
+        assertRoundTrip("```\n```\n");
     }
 
     @Test
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 37253fb6f..14b9b5196 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -52,7 +52,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 590;
+        int expectedPassed = 594;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 29145aac3da21fb49286b46e7a7119a21bbed1d8 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 11 Jan 2024 17:13:28 +1100
Subject: [PATCH 203/450] Tight lists

---
 .../markdown/CoreMarkdownNodeRenderer.java        |  6 ++++++
 .../renderer/markdown/MarkdownWriter.java         | 15 +++++++++++++--
 .../renderer/markdown/MarkdownRendererTest.java   |  5 ++++-
 .../markdown/SpecMarkdownRendererTest.java        |  2 +-
 4 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 34533c633..7068227dd 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -86,9 +86,12 @@ public void visit(BlockQuote blockQuote) {
 
     @Override
     public void visit(BulletList bulletList) {
+        boolean oldTight = writer.getTight();
+        writer.setTight(bulletList.isTight());
         listHolder = new BulletListHolder(listHolder, bulletList);
         visitChildren(bulletList);
         listHolder = listHolder.parent;
+        writer.setTight(oldTight);
     }
 
     @Override
@@ -243,9 +246,12 @@ public void visit(ListItem listItem) {
 
     @Override
     public void visit(OrderedList orderedList) {
+        boolean oldTight = writer.getTight();
+        writer.setTight(orderedList.isTight());
         listHolder = new OrderedListHolder(listHolder, orderedList);
         visitChildren(orderedList);
         listHolder = listHolder.parent;
+        writer.setTight(oldTight);
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index 71c820559..c2c826195 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -10,6 +10,7 @@ public class MarkdownWriter {
     private final Appendable buffer;
 
     private boolean finishBlock = false;
+    private boolean tight;
     private char lastChar;
     private final LinkedList<String> prefixes = new LinkedList<>();
 
@@ -96,8 +97,10 @@ private void finishBlockIfNeeded() {
             finishBlock = false;
             append('\n');
             writePrefixes();
-            append('\n');
-            writePrefixes();
+            if (!tight) {
+                append('\n');
+                writePrefixes();
+            }
         }
     }
 
@@ -108,4 +111,12 @@ private void writePrefixes() {
             }
         }
     }
+
+    public boolean getTight() {
+        return tight;
+    }
+
+    public void setTight(boolean tight) {
+        this.tight = tight;
+    }
 }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index a1c848ccd..b99209ef9 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -78,13 +78,16 @@ public void testBulletListItems() {
         assertRoundTrip("* foo\n\n* bar\n");
 
         // Tight list
-//        assertRoundTrip("* foo\n* bar\n");
+        assertRoundTrip("* foo\n* bar\n");
     }
 
     @Test
     public void testOrderedListItems() {
         assertRoundTrip("1. foo\n");
         assertRoundTrip("2. foo\n\n3. bar\n");
+
+        // Tight list
+        assertRoundTrip("1. foo\n2. bar\n");
     }
 
     // Inlines
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 14b9b5196..e004366f6 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -52,7 +52,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 594;
+        int expectedPassed = 611;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 8171519f9b89a1257eabffde7e68edeb832fc72b Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 17 Jan 2024 16:58:26 +1100
Subject: [PATCH 204/450] Preserve indent and content indent for lists

Makes use of #303 which was split out.
---
 .../markdown/CoreMarkdownNodeRenderer.java       | 15 +++++++++------
 .../renderer/markdown/MarkdownRendererTest.java  | 16 +++++++++++++++-
 .../markdown/SpecMarkdownRendererTest.java       |  2 +-
 3 files changed, 25 insertions(+), 8 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 7068227dd..c583e6579 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -223,19 +223,22 @@ public void visit(Link link) {
 
     @Override
     public void visit(ListItem listItem) {
+        int contentIndent = listItem.getContentIndent();
         boolean pushedPrefix = false;
         if (listHolder instanceof BulletListHolder) {
             BulletListHolder bulletListHolder = (BulletListHolder) listHolder;
-            String prefix = bulletListHolder.bulletMarker + " ";
-            writer.write(prefix);
-            writer.pushPrefix(repeat(" ", prefix.length()));
+            String marker = repeat(" ", listItem.getMarkerIndent()) + bulletListHolder.bulletMarker;
+            writer.write(marker);
+            writer.write(repeat(" ", contentIndent - marker.length()));
+            writer.pushPrefix(repeat(" ", contentIndent));
             pushedPrefix = true;
         } else if (listHolder instanceof OrderedListHolder) {
             OrderedListHolder orderedListHolder = (OrderedListHolder) listHolder;
-            String prefix = String.valueOf(orderedListHolder.number) + orderedListHolder.delimiter + " ";
+            String marker = repeat(" ", listItem.getMarkerIndent()) + orderedListHolder.number + orderedListHolder.delimiter;
             orderedListHolder.number++;
-            writer.write(prefix);
-            writer.pushPrefix(repeat(" ", prefix.length()));
+            writer.write(marker);
+            writer.write(repeat(" ", contentIndent - marker.length()));
+            writer.pushPrefix(repeat(" ", contentIndent));
             pushedPrefix = true;
         }
         visitChildren(listItem);
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index b99209ef9..5b3148a2d 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -76,9 +76,20 @@ public void testBulletListItems() {
         assertRoundTrip("* foo\n  bar\n");
         assertRoundTrip("* ```\n  code\n  ```\n");
         assertRoundTrip("* foo\n\n* bar\n");
+        // Note that the "  " in the second line is not necessary, but it's not wrong either.
+        // We could try to avoid it in a future change, but not sure if necessary.
+        assertRoundTrip("* foo\n  \n  bar\n");
 
         // Tight list
         assertRoundTrip("* foo\n* bar\n");
+
+        // List item indent. This is a tricky one, but here the amount of space between the list marker and "one"
+        // determines whether "two" is part of the list item or an indented code block.
+        // In this case, it's an indented code block because it's not indented enough to be part of the list item.
+        // If the renderer would just use "- one", then "two" would change from being an indented code block to being
+        // a paragraph in the list item! So it is important for the renderer to preserve the content indent of the list
+        // item.
+        assertRoundTrip(" -    one\n\n     two\n");
     }
 
     @Test
@@ -88,6 +99,8 @@ public void testOrderedListItems() {
 
         // Tight list
         assertRoundTrip("1. foo\n2. bar\n");
+
+        assertRoundTrip(" 1.  one\n\n    two\n");
     }
 
     // Inlines
@@ -173,7 +186,8 @@ private Node parse(String source) {
     }
 
     private String render(String source) {
-        return MarkdownRenderer.builder().build().render(parse(source));
+        Node parsed = parse(source);
+        return MarkdownRenderer.builder().build().render(parsed);
     }
 
     private void assertRoundTrip(String input) {
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index e004366f6..fbd3bc1a6 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -52,7 +52,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 611;
+        int expectedPassed = 613;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 41eeede32bb189d41b4c7f1fb7dfef12057d438e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 17 Jan 2024 17:01:49 +1100
Subject: [PATCH 205/450] Fix empty list items

---
 .../renderer/markdown/CoreMarkdownNodeRenderer.java        | 7 ++++++-
 .../commonmark/renderer/markdown/MarkdownRendererTest.java | 3 +++
 .../renderer/markdown/SpecMarkdownRendererTest.java        | 2 +-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index c583e6579..28461c870 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -241,7 +241,12 @@ public void visit(ListItem listItem) {
             writer.pushPrefix(repeat(" ", contentIndent));
             pushedPrefix = true;
         }
-        visitChildren(listItem);
+        if (listItem.getFirstChild() == null) {
+            // Empty list item
+            writer.block();
+        } else {
+            visitChildren(listItem);
+        }
         if (pushedPrefix) {
             writer.popPrefix();
         }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 5b3148a2d..06ad79c25 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -90,6 +90,9 @@ public void testBulletListItems() {
         // a paragraph in the list item! So it is important for the renderer to preserve the content indent of the list
         // item.
         assertRoundTrip(" -    one\n\n     two\n");
+
+        // Empty list
+        assertRoundTrip("- \n\nFoo\n");
     }
 
     @Test
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index fbd3bc1a6..682fee9d8 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -52,7 +52,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 613;
+        int expectedPassed = 618;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 12ce6bc4244d9f0c06b2ff3bab753e6a42c0907e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 17 Jan 2024 22:43:30 +1100
Subject: [PATCH 206/450] Fix tight list with nested loose list

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 90 +++++++++----------
 .../renderer/markdown/MarkdownWriter.java     | 70 +++++++++------
 .../markdown/MarkdownRendererTest.java        |  4 +
 .../markdown/SpecMarkdownRendererTest.java    |  2 +-
 4 files changed, 94 insertions(+), 72 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 28461c870..5e8833331 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -92,6 +92,49 @@ public void visit(BulletList bulletList) {
         visitChildren(bulletList);
         listHolder = listHolder.parent;
         writer.setTight(oldTight);
+        writer.block();
+    }
+
+    @Override
+    public void visit(OrderedList orderedList) {
+        boolean oldTight = writer.getTight();
+        writer.setTight(orderedList.isTight());
+        listHolder = new OrderedListHolder(listHolder, orderedList);
+        visitChildren(orderedList);
+        listHolder = listHolder.parent;
+        writer.setTight(oldTight);
+        writer.block();
+    }
+
+    @Override
+    public void visit(ListItem listItem) {
+        int contentIndent = listItem.getContentIndent();
+        boolean pushedPrefix = false;
+        if (listHolder instanceof BulletListHolder) {
+            BulletListHolder bulletListHolder = (BulletListHolder) listHolder;
+            String marker = repeat(" ", listItem.getMarkerIndent()) + bulletListHolder.bulletMarker;
+            writer.write(marker);
+            writer.write(repeat(" ", contentIndent - marker.length()));
+            writer.pushPrefix(repeat(" ", contentIndent));
+            pushedPrefix = true;
+        } else if (listHolder instanceof OrderedListHolder) {
+            OrderedListHolder orderedListHolder = (OrderedListHolder) listHolder;
+            String marker = repeat(" ", listItem.getMarkerIndent()) + orderedListHolder.number + orderedListHolder.delimiter;
+            orderedListHolder.number++;
+            writer.write(marker);
+            writer.write(repeat(" ", contentIndent - marker.length()));
+            writer.pushPrefix(repeat(" ", contentIndent));
+            pushedPrefix = true;
+        }
+        if (listItem.getFirstChild() == null) {
+            // Empty list item
+            writer.block();
+        } else {
+            visitChildren(listItem);
+        }
+        if (pushedPrefix) {
+            writer.popPrefix();
+        }
     }
 
     @Override
@@ -221,55 +264,10 @@ public void visit(Link link) {
         writeLinkLike(link.getTitle(), link.getDestination(), link, "[");
     }
 
-    @Override
-    public void visit(ListItem listItem) {
-        int contentIndent = listItem.getContentIndent();
-        boolean pushedPrefix = false;
-        if (listHolder instanceof BulletListHolder) {
-            BulletListHolder bulletListHolder = (BulletListHolder) listHolder;
-            String marker = repeat(" ", listItem.getMarkerIndent()) + bulletListHolder.bulletMarker;
-            writer.write(marker);
-            writer.write(repeat(" ", contentIndent - marker.length()));
-            writer.pushPrefix(repeat(" ", contentIndent));
-            pushedPrefix = true;
-        } else if (listHolder instanceof OrderedListHolder) {
-            OrderedListHolder orderedListHolder = (OrderedListHolder) listHolder;
-            String marker = repeat(" ", listItem.getMarkerIndent()) + orderedListHolder.number + orderedListHolder.delimiter;
-            orderedListHolder.number++;
-            writer.write(marker);
-            writer.write(repeat(" ", contentIndent - marker.length()));
-            writer.pushPrefix(repeat(" ", contentIndent));
-            pushedPrefix = true;
-        }
-        if (listItem.getFirstChild() == null) {
-            // Empty list item
-            writer.block();
-        } else {
-            visitChildren(listItem);
-        }
-        if (pushedPrefix) {
-            writer.popPrefix();
-        }
-    }
-
-    @Override
-    public void visit(OrderedList orderedList) {
-        boolean oldTight = writer.getTight();
-        writer.setTight(orderedList.isTight());
-        listHolder = new OrderedListHolder(listHolder, orderedList);
-        visitChildren(orderedList);
-        listHolder = listHolder.parent;
-        writer.setTight(oldTight);
-    }
-
     @Override
     public void visit(Paragraph paragraph) {
         visitChildren(paragraph);
-        if (paragraph.getParent() instanceof ListItem) {
-            writer.block();
-        } else {
-            writer.block();
-        }
+        writer.block();
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index c2c826195..ba682d465 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -9,7 +9,7 @@ public class MarkdownWriter {
 
     private final Appendable buffer;
 
-    private boolean finishBlock = false;
+    private int blockSeparator = 0;
     private boolean tight;
     private char lastChar;
     private final LinkedList<String> prefixes = new LinkedList<>();
@@ -22,22 +22,13 @@ public char getLastChar() {
         return lastChar;
     }
 
-    public void block() {
-        finishBlock = true;
-    }
-
-    public void line() {
-        append('\n');
-        writePrefixes();
-    }
-
     public void write(String s) {
-        finishBlockIfNeeded();
+        flushBlockSeparator();
         append(s);
     }
 
     public void write(char c) {
-        finishBlockIfNeeded();
+        flushBlockSeparator();
         append(c);
     }
 
@@ -45,7 +36,7 @@ public void writeEscaped(String s, CharMatcher escape) {
         if (s.isEmpty()) {
             return;
         }
-        finishBlockIfNeeded();
+        flushBlockSeparator();
         try {
             for (int i = 0; i < s.length(); i++) {
                 char ch = s.charAt(i);
@@ -61,6 +52,21 @@ public void writeEscaped(String s, CharMatcher escape) {
         lastChar = s.charAt(s.length() - 1);
     }
 
+    public void line() {
+        append('\n');
+        writePrefixes();
+    }
+
+    /**
+     * Enqueue a block separator to be written before the next text is written. Block separators are not written
+     * straight away because if there are no more blocks to write we don't want a separator (at the end of the document).
+     */
+    public void block() {
+        // Remember whether this should be a tight or loose separator now because tight could get changed in between
+        // this and the next flush.
+        blockSeparator = tight ? 1 : 2;
+    }
+
     public void pushPrefix(String prefix) {
         prefixes.addLast(prefix);
     }
@@ -92,18 +98,6 @@ private void append(char c) {
         lastChar = c;
     }
 
-    private void finishBlockIfNeeded() {
-        if (finishBlock) {
-            finishBlock = false;
-            append('\n');
-            writePrefixes();
-            if (!tight) {
-                append('\n');
-                writePrefixes();
-            }
-        }
-    }
-
     private void writePrefixes() {
         if (!prefixes.isEmpty()) {
             for (String prefix : prefixes) {
@@ -112,10 +106,36 @@ private void writePrefixes() {
         }
     }
 
+    /**
+     * If a block separator has been enqueued with {@link #block()} but not yet written, write it now.
+     */
+    private void flushBlockSeparator() {
+        if (blockSeparator != 0) {
+            append('\n');
+            writePrefixes();
+            if (blockSeparator > 1) {
+                append('\n');
+                writePrefixes();
+            }
+            blockSeparator = 0;
+        }
+    }
+
+    /**
+     * @return whether blocks are currently set to tight or loose, see {@link #setTight(boolean)}
+     */
     public boolean getTight() {
         return tight;
     }
 
+    /**
+     * Change whether blocks are tight or loose. Loose is the default where blocks are separated by a blank line. Tight
+     * is where blocks are not separated by a blank line. Tight blocks are used in lists, if there are no blank lines
+     * within the list.
+     * <p>
+     * Note that changing this does not affect block separators that have already been enqueued (with {@link #block()},
+     * only future ones.
+     */
     public void setTight(boolean tight) {
         this.tight = tight;
     }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 06ad79c25..f6ce1b4e0 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -82,6 +82,8 @@ public void testBulletListItems() {
 
         // Tight list
         assertRoundTrip("* foo\n* bar\n");
+        // Tight list where the second item contains a loose list
+        assertRoundTrip("- Foo\n  - Bar\n  \n  - Baz\n");
 
         // List item indent. This is a tricky one, but here the amount of space between the list marker and "one"
         // determines whether "two" is part of the list item or an indented code block.
@@ -102,6 +104,8 @@ public void testOrderedListItems() {
 
         // Tight list
         assertRoundTrip("1. foo\n2. bar\n");
+        // Tight list where the second item contains a loose list
+        assertRoundTrip("1. Foo\n   1. Bar\n   \n   2. Baz\n");
 
         assertRoundTrip(" 1.  one\n\n    two\n");
     }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 682fee9d8..e21ec8cc7 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -52,7 +52,7 @@ public void testCoverage() {
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
 
-        int expectedPassed = 618;
+        int expectedPassed = 621;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 6417d012e5476b8abeaf89b5b19f35c2d9477a32 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 17 Jan 2024 22:54:06 +1100
Subject: [PATCH 207/450] Print failing cases

---
 .../renderer/markdown/SpecMarkdownRendererTest.java    | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index e21ec8cc7..d50349d34 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -51,6 +51,16 @@ public void testCoverage() {
 
         System.out.println("Failed examples by section (total " + fails.size() + "):");
         printCountsBySection(fails);
+        System.out.println();
+
+        System.out.println("Failed examples:");
+        for (Example fail : fails) {
+            System.out.println("Failed: " + fail);
+            System.out.println("````````````````````````````````");
+            System.out.print(fail.getSource());
+            System.out.println("````````````````````````````````");
+            System.out.println();
+        }
 
         int expectedPassed = 621;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);

From 26ac7e1c42821cd166e7cf91d657936dcc63accb Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 22 Jan 2024 22:09:49 +1100
Subject: [PATCH 208/450] Don't discard trailing empty lines in code blocks

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 25 +++++++++++++++----
 .../markdown/SpecMarkdownRendererTest.java    |  2 +-
 2 files changed, 21 insertions(+), 6 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 5e8833331..a135d73ee 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -8,6 +8,7 @@
 
 import java.util.Arrays;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
 
 /**
@@ -189,7 +190,7 @@ public void visit(FencedCodeBlock fencedCodeBlock) {
         }
         writer.line();
         if (!literal.isEmpty()) {
-            String[] lines = literal.split("\n");
+            List<String> lines = getLines(literal);
             for (String line : lines) {
                 writer.write(line);
                 writer.line();
@@ -243,15 +244,15 @@ public void visit(Image image) {
     @Override
     public void visit(IndentedCodeBlock indentedCodeBlock) {
         String literal = indentedCodeBlock.getLiteral();
-        String[] lines = literal.split("\n");
         // We need to respect line prefixes which is why we need to write it line by line (e.g. an indented code block
         // within a block quote)
         writer.write("    ");
         writer.pushPrefix("    ");
-        for (int i = 0; i < lines.length; i++) {
-            String line = lines[i];
+        List<String> lines = getLines(literal);
+        for (int i = 0; i < lines.size(); i++) {
+            String line = lines.get(i);
             writer.write(line);
-            if (i != lines.length - 1) {
+            if (i != lines.size() - 1) {
                 writer.line();
             }
         }
@@ -329,6 +330,20 @@ private static String repeat(String s, int count) {
         return sb.toString();
     }
 
+    private static List<String> getLines(String literal) {
+        // Without -1, split would discard all trailing empty strings, which is not what we want, e.g. it would
+        // return the same result for "abc", "abc\n" and "abc\n\n".
+        // With -1, it returns ["abc"], ["abc", ""] and ["abc", "", ""].
+        String[] parts = literal.split("\n", -1);
+        if (parts[parts.length - 1].isEmpty()) {
+            // But we don't want the last empty string, as "\n" is used as a line terminator (not a separator),
+            // so return without the last element.
+            return Arrays.asList(parts).subList(0, parts.length - 1);
+        } else {
+            return Arrays.asList(parts);
+        }
+    }
+
     private void writeLinkLike(String title, String destination, Node node, String opener) {
         writer.write(opener);
         visitChildren(node);
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index d50349d34..4e9396e77 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -62,7 +62,7 @@ public void testCoverage() {
             System.out.println();
         }
 
-        int expectedPassed = 621;
+        int expectedPassed = 622;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 724619b0efc5937b4fba974769cea7fa6049dffc Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 22 Jan 2024 22:46:33 +1100
Subject: [PATCH 209/450] Use Setext heading if necessary

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 47 +++++++++++++++++++
 .../renderer/markdown/MarkdownRenderer.java   |  2 +-
 .../markdown/MarkdownRendererTest.java        |  3 ++
 .../markdown/SpecMarkdownRendererTest.java    |  2 +-
 4 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index a135d73ee..dbaa9a47c 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -13,6 +13,10 @@
 
 /**
  * The node renderer that renders all the core nodes (comes last in the order of node renderers).
+ * <p>
+ * Note that while sometimes it would be easier to record what kind of syntax was used on parsing (e.g. ATX vs Setext
+ * heading), this renderer is intended to also work for documents that were created by directly creating
+ * {@link Node Nodes} instead. So in order to support that, it sometimes needs to do a bit more work.
  */
 public class CoreMarkdownNodeRenderer extends AbstractVisitor implements NodeRenderer {
 
@@ -211,11 +215,34 @@ public void visit(HardLineBreak hardLineBreak) {
 
     @Override
     public void visit(Heading heading) {
+        if (heading.getLevel() <= 2) {
+            LineBreakVisitor lineBreakVisitor = new LineBreakVisitor();
+            heading.accept(lineBreakVisitor);
+            boolean isMultipleLines = lineBreakVisitor.hasLineBreak();
+
+            if (isMultipleLines) {
+                // Setext headings: Can have multiple lines, but only level 1 or 2
+                visitChildren(heading);
+                writer.line();
+                if (heading.getLevel() == 1) {
+                    // Note that it would be nice to match the length of the contents instead of just using 3, but that's
+                    // not easy.
+                    writer.write("===");
+                } else {
+                    writer.write("---");
+                }
+                writer.block();
+                return;
+            }
+        }
+
+        // ATX headings: Can't have multiple lines, but up to level 6.
         for (int i = 0; i < heading.getLevel(); i++) {
             writer.write('#');
         }
         writer.write(' ');
         visitChildren(heading);
+
         writer.block();
     }
 
@@ -392,4 +419,24 @@ protected OrderedListHolder(ListHolder parent, OrderedList orderedList) {
             number = orderedList.getStartNumber();
         }
     }
+
+    private static class LineBreakVisitor extends AbstractVisitor {
+        private boolean lineBreak = false;
+
+        public boolean hasLineBreak() {
+            return lineBreak;
+        }
+
+        @Override
+        public void visit(SoftLineBreak softLineBreak) {
+            super.visit(softLineBreak);
+            lineBreak = true;
+        }
+
+        @Override
+        public void visit(HardLineBreak hardLineBreak) {
+            super.visit(hardLineBreak);
+            lineBreak = true;
+        }
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
index 4dc8dbff9..4dee17ed6 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
@@ -14,7 +14,7 @@
  * <p>
  * Note that it does not currently attempt to preserve the exact syntax of the original input Markdown (if any):
  * <ul>
- *     <li>Headings are always output as ATX headings for simplicity</li>
+ *     <li>Headings are output as ATX headings if possible (multi-line headings need Setext headings)</li>
  *     <li>Escaping might be over-eager, e.g. a plain {@code *} might be escaped
  *     even though it doesn't need to be in that particular context</li>
  * </ul>
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index f6ce1b4e0..05a253fde 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -28,6 +28,9 @@ public void testHeadings() {
         assertRoundTrip("##### foo\n");
         assertRoundTrip("###### foo\n");
 
+        assertRoundTrip("Foo\nbar\n===\n");
+        assertRoundTrip("[foo\nbar](/url)\n===\n");
+
         assertRoundTrip("# foo\n\nbar\n");
     }
 
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 4e9396e77..1dd064414 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -62,7 +62,7 @@ public void testCoverage() {
             System.out.println();
         }
 
-        int expectedPassed = 622;
+        int expectedPassed = 625;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 02670c91eebb750dd1e2b65fea40382e9fe1be57 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 22 Jan 2024 23:02:59 +1100
Subject: [PATCH 210/450] Test tabs properly

---
 .../commonmark/renderer/markdown/MarkdownRendererTest.java   | 5 +++++
 .../renderer/markdown/SpecMarkdownRendererTest.java          | 5 +++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 05a253fde..ae3396680 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -115,6 +115,11 @@ public void testOrderedListItems() {
 
     // Inlines
 
+    @Test
+    public void testTabs() {
+        assertRoundTrip("a\tb\n");
+    }
+
     @Test
     public void testEscaping() {
         // These are a bit tricky. We always escape some characters, even though they only need escaping if they would
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 1dd064414..de657e2cd 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -62,7 +62,7 @@ public void testCoverage() {
             System.out.println();
         }
 
-        int expectedPassed = 625;
+        int expectedPassed = 629;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 
@@ -89,6 +89,7 @@ private String renderMarkdown(String source) {
     }
 
     private String renderHtml(String source) {
-        return HTML_RENDERER.render(parse(source));
+        // The spec uses "rightwards arrow" to show tabs
+        return HTML_RENDERER.render(parse(source)).replace("\t", "\u2192");
     }
 }

From 4918d64d592280490b54c77de066ec15c8582b1a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 22 Jan 2024 23:10:31 +1100
Subject: [PATCH 211/450] Write HTML block in lines to make use of prefix

---
 .../renderer/markdown/CoreMarkdownNodeRenderer.java      | 9 ++++++++-
 .../renderer/markdown/MarkdownRendererTest.java          | 1 +
 .../renderer/markdown/SpecMarkdownRendererTest.java      | 2 +-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index dbaa9a47c..813efb164 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -259,7 +259,14 @@ public void visit(HtmlInline htmlInline) {
 
     @Override
     public void visit(HtmlBlock htmlBlock) {
-        writer.write(htmlBlock.getLiteral());
+        List<String> lines = getLines(htmlBlock.getLiteral());
+        for (int i = 0; i < lines.size(); i++) {
+            String line = lines.get(i);
+            writer.write(line);
+            if (i != lines.size() - 1) {
+                writer.line();
+            }
+        }
         writer.block();
     }
 
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index ae3396680..76a77dbb5 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -53,6 +53,7 @@ public void testFencedCodeBlocks() {
     @Test
     public void testHtmlBlocks() {
         assertRoundTrip("<div>test</div>\n");
+        assertRoundTrip("> <div>\n> test\n> </div>\n");
     }
 
     @Test
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index de657e2cd..2a0c46c00 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -62,7 +62,7 @@ public void testCoverage() {
             System.out.println();
         }
 
-        int expectedPassed = 629;
+        int expectedPassed = 630;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From db5f055f0c456bd852601bd0de61336c75bd9bd7 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 23 Jan 2024 22:43:20 +1100
Subject: [PATCH 212/450] Escape special characters at beginning of line

---
 .../internal/util/AsciiMatcher.java           |  7 +++
 .../markdown/CoreMarkdownNodeRenderer.java    | 58 ++++++++++++++++++-
 .../renderer/markdown/MarkdownWriter.java     |  6 +-
 .../markdown/MarkdownRendererTest.java        | 16 +++++
 .../markdown/SpecMarkdownRendererTest.java    |  2 +-
 5 files changed, 84 insertions(+), 5 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java b/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
index 82d83ca46..35769f82d 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
@@ -29,6 +29,13 @@ private Builder(BitSet set) {
             this.set = set;
         }
 
+        public Builder anyOf(String s) {
+            for (int i = 0; i < s.length(); i++) {
+                c(s.charAt(i));
+            }
+            return this;
+        }
+
         public Builder c(char c) {
             if (c > 127) {
                 throw new IllegalArgumentException("Can only match ASCII characters");
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 813efb164..fe5725aee 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -10,6 +10,8 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * The node renderer that renders all the core nodes (comes last in the order of node renderers).
@@ -20,8 +22,8 @@
  */
 public class CoreMarkdownNodeRenderer extends AbstractVisitor implements NodeRenderer {
 
-    private final CharMatcher textEscape =
-            AsciiMatcher.builder().c('[').c(']').c('<').c('>').c('`').build();
+    private final AsciiMatcher textEscape =
+            AsciiMatcher.builder().anyOf("[]<>`*&").build();
     private final CharMatcher linkDestinationNeedsAngleBrackets =
             AsciiMatcher.builder().c(' ').c('(').c(')').c('<').c('>').c('\\').build();
     private final CharMatcher linkDestinationEscapeInAngleBrackets =
@@ -29,6 +31,8 @@ public class CoreMarkdownNodeRenderer extends AbstractVisitor implements NodeRen
     private final CharMatcher linkTitleEscapeInQuotes =
             AsciiMatcher.builder().c('"').build();
 
+    private final Pattern orderedListMarkerPattern = Pattern.compile("^([0-9]{1,9})([.)])");
+
     protected final MarkdownNodeRendererContext context;
     private final MarkdownWriter writer;
     /**
@@ -319,7 +323,55 @@ public void visit(StrongEmphasis strongEmphasis) {
 
     @Override
     public void visit(Text text) {
-        writer.writeEscaped(text.getLiteral(), textEscape);
+        String literal = text.getLiteral();
+        if (writer.isAtLineStart() && !literal.isEmpty()) {
+            char c = literal.charAt(0);
+            switch (c) {
+                case '-': {
+                    // Would be ambiguous with a bullet list marker, escape
+                    writer.write("\\-");
+                    literal = literal.substring(1);
+                    break;
+                }
+                case '#': {
+                    // Would be ambiguous with an ATX heading, escape
+                    writer.write("\\#");
+                    literal = literal.substring(1);
+                    break;
+                }
+                case '=': {
+                    // Would be ambiguous with a Setext heading, escape
+                    writer.write("\\=");
+                    literal = literal.substring(1);
+                    break;
+                }
+                case '0':
+                case '1':
+                case '2':
+                case '3':
+                case '4':
+                case '5':
+                case '6':
+                case '7':
+                case '8':
+                case '9': {
+                    // Check for ordered list marker
+                    Matcher m = orderedListMarkerPattern.matcher(literal);
+                    if (m.find()) {
+                        writer.write(m.group(1));
+                        writer.write("\\" + m.group(2));
+                        literal = literal.substring(m.end());
+                    }
+                }
+            }
+        }
+
+        if (literal.endsWith("!") && text.getNext() instanceof Link) {
+            writer.writeEscaped(literal.substring(0, literal.length() - 1), textEscape);
+            writer.write("\\!");
+        } else {
+            writer.writeEscaped(literal, textEscape);
+        }
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index ba682d465..bc10f020e 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -11,7 +11,7 @@ public class MarkdownWriter {
 
     private int blockSeparator = 0;
     private boolean tight;
-    private char lastChar;
+    private char lastChar = '\n';
     private final LinkedList<String> prefixes = new LinkedList<>();
 
     public MarkdownWriter(Appendable out) {
@@ -22,6 +22,10 @@ public char getLastChar() {
         return lastChar;
     }
 
+    public boolean isAtLineStart() {
+        return lastChar == '\n' || blockSeparator > 0;
+    }
+
     public void write(String s) {
         flushBlockSeparator();
         append(s);
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 76a77dbb5..59039799a 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -127,6 +127,22 @@ public void testEscaping() {
         // otherwise result in a different parse result (e.g. a link):
         assertRoundTrip("\\[a\\](/uri)\n");
         assertRoundTrip("\\`abc\\`\n");
+
+        // Some characters only need to be escaped at the beginning of the line
+        assertRoundTrip("\\- Test\n");
+        assertRoundTrip("\\-\n");
+        assertRoundTrip("Test -\n");
+        assertRoundTrip("Abc\n\n\\- Test\n");
+        assertRoundTrip("\\# Test\n");
+        assertRoundTrip("\\## Test\n");
+        assertRoundTrip("\\#\n");
+        assertRoundTrip("Foo\n\\===\n");
+
+        // This is a bit more tricky as we need to check for a list start
+        assertRoundTrip("1\\. Foo\n");
+        assertRoundTrip("999\\. Foo\n");
+        assertRoundTrip("1\\.\n");
+        assertRoundTrip("1\\) Foo\n");
     }
 
     @Test
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 2a0c46c00..632f4acfc 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -62,7 +62,7 @@ public void testCoverage() {
             System.out.println();
         }
 
-        int expectedPassed = 630;
+        int expectedPassed = 646;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 64d163d2e6b2719affe4fd40d31eefa44bf52711 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 23 Jan 2024 22:45:29 +1100
Subject: [PATCH 213/450] Escape # in headings too

---
 .../java/org/commonmark/internal/util/AsciiMatcher.java   | 4 ++++
 .../renderer/markdown/CoreMarkdownNodeRenderer.java       | 8 ++++++--
 .../renderer/markdown/SpecMarkdownRendererTest.java       | 2 +-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java b/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
index 35769f82d..d31020fa3 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
@@ -22,6 +22,10 @@ public static Builder builder() {
         return new Builder(new BitSet());
     }
 
+    public static Builder builder(AsciiMatcher matcher) {
+        return new Builder((BitSet) matcher.set.clone());
+    }
+
     public static class Builder {
         private final BitSet set;
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index fe5725aee..8cb67e0fd 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -24,6 +24,8 @@ public class CoreMarkdownNodeRenderer extends AbstractVisitor implements NodeRen
 
     private final AsciiMatcher textEscape =
             AsciiMatcher.builder().anyOf("[]<>`*&").build();
+    private final CharMatcher textEscapeInHeading =
+            AsciiMatcher.builder(textEscape).anyOf("#").build();
     private final CharMatcher linkDestinationNeedsAngleBrackets =
             AsciiMatcher.builder().c(' ').c('(').c(')').c('<').c('>').c('\\').build();
     private final CharMatcher linkDestinationEscapeInAngleBrackets =
@@ -366,11 +368,13 @@ public void visit(Text text) {
             }
         }
 
+        CharMatcher escape = text.getParent() instanceof Heading ? textEscapeInHeading : textEscape;
+
         if (literal.endsWith("!") && text.getNext() instanceof Link) {
-            writer.writeEscaped(literal.substring(0, literal.length() - 1), textEscape);
+            writer.writeEscaped(literal.substring(0, literal.length() - 1), escape);
             writer.write("\\!");
         } else {
-            writer.writeEscaped(literal, textEscape);
+            writer.writeEscaped(literal, escape);
         }
     }
 
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 632f4acfc..d6bdf9cfb 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -62,7 +62,7 @@ public void testCoverage() {
             System.out.println();
         }
 
-        int expectedPassed = 646;
+        int expectedPassed = 647;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From f5b04efdae2c48e46f8f108df71308a7521ac223 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 23 Jan 2024 23:35:48 +1100
Subject: [PATCH 214/450] Disregard prefixes for line start logic

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 14 +++++++-------
 .../renderer/markdown/MarkdownWriter.java     | 19 +++++++++++++++++--
 .../markdown/MarkdownRendererTest.java        |  5 +++++
 .../markdown/SpecMarkdownRendererTest.java    |  2 +-
 4 files changed, 30 insertions(+), 10 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 8cb67e0fd..11e7ae5f0 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -88,7 +88,7 @@ public void visit(Document document) {
 
     @Override
     public void visit(BlockQuote blockQuote) {
-        writer.write("> ");
+        writer.writePrefix("> ");
         writer.pushPrefix("> ");
         visitChildren(blockQuote);
         writer.popPrefix();
@@ -124,16 +124,16 @@ public void visit(ListItem listItem) {
         if (listHolder instanceof BulletListHolder) {
             BulletListHolder bulletListHolder = (BulletListHolder) listHolder;
             String marker = repeat(" ", listItem.getMarkerIndent()) + bulletListHolder.bulletMarker;
-            writer.write(marker);
-            writer.write(repeat(" ", contentIndent - marker.length()));
+            writer.writePrefix(marker);
+            writer.writePrefix(repeat(" ", contentIndent - marker.length()));
             writer.pushPrefix(repeat(" ", contentIndent));
             pushedPrefix = true;
         } else if (listHolder instanceof OrderedListHolder) {
             OrderedListHolder orderedListHolder = (OrderedListHolder) listHolder;
             String marker = repeat(" ", listItem.getMarkerIndent()) + orderedListHolder.number + orderedListHolder.delimiter;
             orderedListHolder.number++;
-            writer.write(marker);
-            writer.write(repeat(" ", contentIndent - marker.length()));
+            writer.writePrefix(marker);
+            writer.writePrefix(repeat(" ", contentIndent - marker.length()));
             writer.pushPrefix(repeat(" ", contentIndent));
             pushedPrefix = true;
         }
@@ -190,7 +190,7 @@ public void visit(FencedCodeBlock fencedCodeBlock) {
 
         if (indent > 0) {
             String indentPrefix = repeat(" ", indent);
-            writer.write(indentPrefix);
+            writer.writePrefix(indentPrefix);
             writer.pushPrefix(indentPrefix);
         }
 
@@ -286,7 +286,7 @@ public void visit(IndentedCodeBlock indentedCodeBlock) {
         String literal = indentedCodeBlock.getLiteral();
         // We need to respect line prefixes which is why we need to write it line by line (e.g. an indented code block
         // within a block quote)
-        writer.write("    ");
+        writer.writePrefix("    ");
         writer.pushPrefix("    ");
         List<String> lines = getLines(literal);
         for (int i = 0; i < lines.size(); i++) {
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index bc10f020e..d95c0bd87 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -11,7 +11,8 @@ public class MarkdownWriter {
 
     private int blockSeparator = 0;
     private boolean tight;
-    private char lastChar = '\n';
+    private char lastChar;
+    private boolean atLineStart = true;
     private final LinkedList<String> prefixes = new LinkedList<>();
 
     public MarkdownWriter(Appendable out) {
@@ -22,8 +23,11 @@ public char getLastChar() {
         return lastChar;
     }
 
+    /**
+     * @return whether we're at the line start (not counting any prefixes), i.e. after a {@link #line} or {@link #block}.
+     */
     public boolean isAtLineStart() {
-        return lastChar == '\n' || blockSeparator > 0;
+        return atLineStart;
     }
 
     public void write(String s) {
@@ -54,11 +58,13 @@ public void writeEscaped(String s, CharMatcher escape) {
         }
 
         lastChar = s.charAt(s.length() - 1);
+        atLineStart = false;
     }
 
     public void line() {
         append('\n');
         writePrefixes();
+        atLineStart = true;
     }
 
     /**
@@ -69,12 +75,19 @@ public void block() {
         // Remember whether this should be a tight or loose separator now because tight could get changed in between
         // this and the next flush.
         blockSeparator = tight ? 1 : 2;
+        atLineStart = true;
     }
 
     public void pushPrefix(String prefix) {
         prefixes.addLast(prefix);
     }
 
+    public void writePrefix(String prefix) {
+        boolean tmp = atLineStart;
+        write(prefix);
+        atLineStart = tmp;
+    }
+
     public void popPrefix() {
         prefixes.removeLast();
     }
@@ -90,6 +103,7 @@ private void append(String s) {
         if (length != 0) {
             lastChar = s.charAt(length - 1);
         }
+        atLineStart = false;
     }
 
     private void append(char c) {
@@ -100,6 +114,7 @@ private void append(char c) {
         }
 
         lastChar = c;
+        atLineStart = false;
     }
 
     private void writePrefixes() {
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 59039799a..6f9e1e6f4 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -137,6 +137,11 @@ public void testEscaping() {
         assertRoundTrip("\\## Test\n");
         assertRoundTrip("\\#\n");
         assertRoundTrip("Foo\n\\===\n");
+        // The beginning of the line within the block, so disregarding prefixes
+        assertRoundTrip("> \\- Test\n");
+        assertRoundTrip("- \\- Test\n");
+        // That's not the beginning of the line
+        assertRoundTrip("`a`- foo\n");
 
         // This is a bit more tricky as we need to check for a list start
         assertRoundTrip("1\\. Foo\n");
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index d6bdf9cfb..39269368e 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -62,7 +62,7 @@ public void testCoverage() {
             System.out.println();
         }
 
-        int expectedPassed = 647;
+        int expectedPassed = 650;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
     }
 

From 59d5c030969c57ce0f23b8eb619283cb2d7bf5ea Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 24 Jan 2024 14:53:33 +1100
Subject: [PATCH 215/450] Escape whitespace too (weird)

---
 .../renderer/markdown/CoreMarkdownNodeRenderer.java   | 11 +++++++++++
 .../commonmark/renderer/markdown/MarkdownWriter.java  | 11 ++++++++---
 .../renderer/markdown/MarkdownRendererTest.java       |  5 +++++
 .../renderer/markdown/SpecMarkdownRendererTest.java   |  4 +++-
 4 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 11e7ae5f0..207851113 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -364,6 +364,17 @@ public void visit(Text text) {
                         writer.write("\\" + m.group(2));
                         literal = literal.substring(m.end());
                     }
+                    break;
+                }
+                case '\t': {
+                    writer.write("&#9;");
+                    literal = literal.substring(1);
+                    break;
+                }
+                case ' ': {
+                    writer.write("&#32;");
+                    literal = literal.substring(1);
+                    break;
                 }
             }
         }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index d95c0bd87..ef2945359 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -48,10 +48,15 @@ public void writeEscaped(String s, CharMatcher escape) {
         try {
             for (int i = 0; i < s.length(); i++) {
                 char ch = s.charAt(i);
-                if (ch == '\\' || escape.matches(ch)) {
-                    buffer.append('\\');
+                if (ch == '\n') {
+                    // Can't escape this with \, use numeric character reference
+                    buffer.append("&#10;");
+                } else {
+                    if (ch == '\\' || escape.matches(ch)) {
+                        buffer.append('\\');
+                    }
+                    buffer.append(ch);
                 }
-                buffer.append(ch);
             }
         } catch (IOException e) {
             throw new RuntimeException(e);
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 6f9e1e6f4..bc6d9b696 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -148,6 +148,11 @@ public void testEscaping() {
         assertRoundTrip("999\\. Foo\n");
         assertRoundTrip("1\\.\n");
         assertRoundTrip("1\\) Foo\n");
+
+        // Escaped whitespace, wow
+        assertRoundTrip("&#9;foo\n");
+        assertRoundTrip("&#32;   foo\n");
+        assertRoundTrip("foo&#10;&#10;bar\n");
     }
 
     @Test
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 39269368e..5df2e5c80 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -13,6 +13,7 @@
 import java.util.List;
 import java.util.Map;
 
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
 /**
@@ -62,8 +63,9 @@ public void testCoverage() {
             System.out.println();
         }
 
-        int expectedPassed = 650;
+        int expectedPassed = 652;
         assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
+        assertEquals(0, fails.size());
     }
 
     private static void printCountsBySection(List<Example> examples) {

From 37e507ab08912d3fd8e9753f86ed1dd7e84f9b69 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 24 Jan 2024 21:57:17 +1100
Subject: [PATCH 216/450] Reorder methods in spec order

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 238 +++++++++---------
 1 file changed, 119 insertions(+), 119 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 207851113..30c6332b9 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -86,6 +86,114 @@ public void visit(Document document) {
         writer.line();
     }
 
+    @Override
+    public void visit(ThematicBreak thematicBreak) {
+        writer.write("***");
+        writer.block();
+    }
+
+    @Override
+    public void visit(Heading heading) {
+        if (heading.getLevel() <= 2) {
+            LineBreakVisitor lineBreakVisitor = new LineBreakVisitor();
+            heading.accept(lineBreakVisitor);
+            boolean isMultipleLines = lineBreakVisitor.hasLineBreak();
+
+            if (isMultipleLines) {
+                // Setext headings: Can have multiple lines, but only level 1 or 2
+                visitChildren(heading);
+                writer.line();
+                if (heading.getLevel() == 1) {
+                    // Note that it would be nice to match the length of the contents instead of just using 3, but that's
+                    // not easy.
+                    writer.write("===");
+                } else {
+                    writer.write("---");
+                }
+                writer.block();
+                return;
+            }
+        }
+
+        // ATX headings: Can't have multiple lines, but up to level 6.
+        for (int i = 0; i < heading.getLevel(); i++) {
+            writer.write('#');
+        }
+        writer.write(' ');
+        visitChildren(heading);
+
+        writer.block();
+    }
+
+    @Override
+    public void visit(IndentedCodeBlock indentedCodeBlock) {
+        String literal = indentedCodeBlock.getLiteral();
+        // We need to respect line prefixes which is why we need to write it line by line (e.g. an indented code block
+        // within a block quote)
+        writer.writePrefix("    ");
+        writer.pushPrefix("    ");
+        List<String> lines = getLines(literal);
+        for (int i = 0; i < lines.size(); i++) {
+            String line = lines.get(i);
+            writer.write(line);
+            if (i != lines.size() - 1) {
+                writer.line();
+            }
+        }
+        writer.popPrefix();
+        writer.block();
+    }
+
+    @Override
+    public void visit(FencedCodeBlock fencedCodeBlock) {
+        String literal = fencedCodeBlock.getLiteral();
+        String fence = repeat(String.valueOf(fencedCodeBlock.getFenceChar()), fencedCodeBlock.getFenceLength());
+        int indent = fencedCodeBlock.getFenceIndent();
+
+        if (indent > 0) {
+            String indentPrefix = repeat(" ", indent);
+            writer.writePrefix(indentPrefix);
+            writer.pushPrefix(indentPrefix);
+        }
+
+        writer.write(fence);
+        if (fencedCodeBlock.getInfo() != null) {
+            writer.write(fencedCodeBlock.getInfo());
+        }
+        writer.line();
+        if (!literal.isEmpty()) {
+            List<String> lines = getLines(literal);
+            for (String line : lines) {
+                writer.write(line);
+                writer.line();
+            }
+        }
+        writer.write(fence);
+        if (indent > 0) {
+            writer.popPrefix();
+        }
+        writer.block();
+    }
+
+    @Override
+    public void visit(HtmlBlock htmlBlock) {
+        List<String> lines = getLines(htmlBlock.getLiteral());
+        for (int i = 0; i < lines.size(); i++) {
+            String line = lines.get(i);
+            writer.write(line);
+            if (i != lines.size() - 1) {
+                writer.line();
+            }
+        }
+        writer.block();
+    }
+
+    @Override
+    public void visit(Paragraph paragraph) {
+        visitChildren(paragraph);
+        writer.block();
+    }
+
     @Override
     public void visit(BlockQuote blockQuote) {
         writer.writePrefix("> ");
@@ -183,97 +291,15 @@ public void visit(Emphasis emphasis) {
     }
 
     @Override
-    public void visit(FencedCodeBlock fencedCodeBlock) {
-        String literal = fencedCodeBlock.getLiteral();
-        String fence = repeat(String.valueOf(fencedCodeBlock.getFenceChar()), fencedCodeBlock.getFenceLength());
-        int indent = fencedCodeBlock.getFenceIndent();
-
-        if (indent > 0) {
-            String indentPrefix = repeat(" ", indent);
-            writer.writePrefix(indentPrefix);
-            writer.pushPrefix(indentPrefix);
-        }
-
-        writer.write(fence);
-        if (fencedCodeBlock.getInfo() != null) {
-            writer.write(fencedCodeBlock.getInfo());
-        }
-        writer.line();
-        if (!literal.isEmpty()) {
-            List<String> lines = getLines(literal);
-            for (String line : lines) {
-                writer.write(line);
-                writer.line();
-            }
-        }
-        writer.write(fence);
-        if (indent > 0) {
-            writer.popPrefix();
-        }
-        writer.block();
-    }
-
-    @Override
-    public void visit(HardLineBreak hardLineBreak) {
-        writer.write("  ");
-        writer.line();
-    }
-
-    @Override
-    public void visit(Heading heading) {
-        if (heading.getLevel() <= 2) {
-            LineBreakVisitor lineBreakVisitor = new LineBreakVisitor();
-            heading.accept(lineBreakVisitor);
-            boolean isMultipleLines = lineBreakVisitor.hasLineBreak();
-
-            if (isMultipleLines) {
-                // Setext headings: Can have multiple lines, but only level 1 or 2
-                visitChildren(heading);
-                writer.line();
-                if (heading.getLevel() == 1) {
-                    // Note that it would be nice to match the length of the contents instead of just using 3, but that's
-                    // not easy.
-                    writer.write("===");
-                } else {
-                    writer.write("---");
-                }
-                writer.block();
-                return;
-            }
-        }
-
-        // ATX headings: Can't have multiple lines, but up to level 6.
-        for (int i = 0; i < heading.getLevel(); i++) {
-            writer.write('#');
-        }
-        writer.write(' ');
-        visitChildren(heading);
-
-        writer.block();
-    }
-
-    @Override
-    public void visit(ThematicBreak thematicBreak) {
-        writer.write("***");
-        writer.block();
-    }
-
-    @Override
-    public void visit(HtmlInline htmlInline) {
-        writer.write(htmlInline.getLiteral());
+    public void visit(StrongEmphasis strongEmphasis) {
+        writer.write("**");
+        super.visit(strongEmphasis);
+        writer.write("**");
     }
 
     @Override
-    public void visit(HtmlBlock htmlBlock) {
-        List<String> lines = getLines(htmlBlock.getLiteral());
-        for (int i = 0; i < lines.size(); i++) {
-            String line = lines.get(i);
-            writer.write(line);
-            if (i != lines.size() - 1) {
-                writer.line();
-            }
-        }
-        writer.block();
+    public void visit(Link link) {
+        writeLinkLike(link.getTitle(), link.getDestination(), link, "[");
     }
 
     @Override
@@ -282,33 +308,14 @@ public void visit(Image image) {
     }
 
     @Override
-    public void visit(IndentedCodeBlock indentedCodeBlock) {
-        String literal = indentedCodeBlock.getLiteral();
-        // We need to respect line prefixes which is why we need to write it line by line (e.g. an indented code block
-        // within a block quote)
-        writer.writePrefix("    ");
-        writer.pushPrefix("    ");
-        List<String> lines = getLines(literal);
-        for (int i = 0; i < lines.size(); i++) {
-            String line = lines.get(i);
-            writer.write(line);
-            if (i != lines.size() - 1) {
-                writer.line();
-            }
-        }
-        writer.popPrefix();
-        writer.block();
-    }
-
-    @Override
-    public void visit(Link link) {
-        writeLinkLike(link.getTitle(), link.getDestination(), link, "[");
+    public void visit(HtmlInline htmlInline) {
+        writer.write(htmlInline.getLiteral());
     }
 
     @Override
-    public void visit(Paragraph paragraph) {
-        visitChildren(paragraph);
-        writer.block();
+    public void visit(HardLineBreak hardLineBreak) {
+        writer.write("  ");
+        writer.line();
     }
 
     @Override
@@ -316,13 +323,6 @@ public void visit(SoftLineBreak softLineBreak) {
         writer.line();
     }
 
-    @Override
-    public void visit(StrongEmphasis strongEmphasis) {
-        writer.write("**");
-        super.visit(strongEmphasis);
-        writer.write("**");
-    }
-
     @Override
     public void visit(Text text) {
         String literal = text.getLiteral();

From edfc3d025503b38799b63db261196f6fe4668add Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 29 Jan 2024 17:30:36 +1100
Subject: [PATCH 217/450] Some more comments

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 32 +++++++++++++------
 1 file changed, 22 insertions(+), 10 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 30c6332b9..199add94d 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -51,26 +51,26 @@ public CoreMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
         return new HashSet<>(Arrays.asList(
-                Document.class,
-                Heading.class,
-                Paragraph.class,
                 BlockQuote.class,
                 BulletList.class,
+                Code.class,
+                Document.class,
+                Emphasis.class,
                 FencedCodeBlock.class,
+                HardLineBreak.class,
+                Heading.class,
                 HtmlBlock.class,
-                ThematicBreak.class,
+                HtmlInline.class,
+                Image.class,
                 IndentedCodeBlock.class,
                 Link.class,
                 ListItem.class,
                 OrderedList.class,
-                Image.class,
-                Emphasis.class,
+                Paragraph.class,
+                SoftLineBreak.class,
                 StrongEmphasis.class,
                 Text.class,
-                Code.class,
-                HtmlInline.class,
-                SoftLineBreak.class,
-                HardLineBreak.class
+                ThematicBreak.class
         ));
     }
 
@@ -325,6 +325,14 @@ public void visit(SoftLineBreak softLineBreak) {
 
     @Override
     public void visit(Text text) {
+        // Text is tricky. In Markdown special characters (`-`, `#` etc.) can be escaped (`\-`, `\#` etc.) so that
+        // they're parsed as plain text. Currently, whether a character was escaped or not is not recorded in the Node,
+        // so here we don't know. If we just wrote out those characters unescaped, the resulting Markdown would change
+        // meaning (turn into a list item, heading, etc.).
+        // You might say "Why not store that in the Node when parsing", but that wouldn't work for the use case where
+        // nodes are constructed directly instead of via parsing. This renderer needs to work for that too.
+        // So currently, when in doubt, we escape. For special characters only occurring at the beginning of a line,
+        // we only escape them then (we wouldn't want to escape every `.` for example).
         String literal = text.getLiteral();
         if (writer.isAtLineStart() && !literal.isEmpty()) {
             char c = literal.charAt(0);
@@ -382,6 +390,7 @@ public void visit(Text text) {
         CharMatcher escape = text.getParent() instanceof Heading ? textEscapeInHeading : textEscape;
 
         if (literal.endsWith("!") && text.getNext() instanceof Link) {
+            // If we wrote the `!` unescaped, it would turn the link into an image instead.
             writer.writeEscaped(literal.substring(0, literal.length() - 1), escape);
             writer.write("\\!");
         } else {
@@ -494,6 +503,9 @@ protected OrderedListHolder(ListHolder parent, OrderedList orderedList) {
         }
     }
 
+    /**
+     * Visits nodes to check if there are any soft or hard line breaks.
+     */
     private static class LineBreakVisitor extends AbstractVisitor {
         private boolean lineBreak = false;
 

From 08a60f11ce3c69042e2ce9f532a77c0cb5a0733f Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 29 Jan 2024 17:39:58 +1100
Subject: [PATCH 218/450] Reorder methods in writer, add comments

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 88 ++++++++---------
 .../renderer/markdown/MarkdownWriter.java     | 99 +++++++++++++------
 2 files changed, 111 insertions(+), 76 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 199add94d..f5a9377f6 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -88,7 +88,7 @@ public void visit(Document document) {
 
     @Override
     public void visit(ThematicBreak thematicBreak) {
-        writer.write("***");
+        writer.raw("***");
         writer.block();
     }
 
@@ -106,9 +106,9 @@ public void visit(Heading heading) {
                 if (heading.getLevel() == 1) {
                     // Note that it would be nice to match the length of the contents instead of just using 3, but that's
                     // not easy.
-                    writer.write("===");
+                    writer.raw("===");
                 } else {
-                    writer.write("---");
+                    writer.raw("---");
                 }
                 writer.block();
                 return;
@@ -117,9 +117,9 @@ public void visit(Heading heading) {
 
         // ATX headings: Can't have multiple lines, but up to level 6.
         for (int i = 0; i < heading.getLevel(); i++) {
-            writer.write('#');
+            writer.raw('#');
         }
-        writer.write(' ');
+        writer.raw(' ');
         visitChildren(heading);
 
         writer.block();
@@ -135,7 +135,7 @@ public void visit(IndentedCodeBlock indentedCodeBlock) {
         List<String> lines = getLines(literal);
         for (int i = 0; i < lines.size(); i++) {
             String line = lines.get(i);
-            writer.write(line);
+            writer.raw(line);
             if (i != lines.size() - 1) {
                 writer.line();
             }
@@ -156,19 +156,19 @@ public void visit(FencedCodeBlock fencedCodeBlock) {
             writer.pushPrefix(indentPrefix);
         }
 
-        writer.write(fence);
+        writer.raw(fence);
         if (fencedCodeBlock.getInfo() != null) {
-            writer.write(fencedCodeBlock.getInfo());
+            writer.raw(fencedCodeBlock.getInfo());
         }
         writer.line();
         if (!literal.isEmpty()) {
             List<String> lines = getLines(literal);
             for (String line : lines) {
-                writer.write(line);
+                writer.raw(line);
                 writer.line();
             }
         }
-        writer.write(fence);
+        writer.raw(fence);
         if (indent > 0) {
             writer.popPrefix();
         }
@@ -180,7 +180,7 @@ public void visit(HtmlBlock htmlBlock) {
         List<String> lines = getLines(htmlBlock.getLiteral());
         for (int i = 0; i < lines.size(); i++) {
             String line = lines.get(i);
-            writer.write(line);
+            writer.raw(line);
             if (i != lines.size() - 1) {
                 writer.line();
             }
@@ -262,7 +262,7 @@ public void visit(Code code) {
         // If the literal includes backticks, we can surround them by using one more backtick.
         int backticks = findMaxRunLength('`', literal);
         for (int i = 0; i < backticks + 1; i++) {
-            writer.write('`');
+            writer.raw('`');
         }
         // If the literal starts or ends with a backtick, surround it with a single space.
         // If it starts and ends with a space (but is not only spaces), add an additional space (otherwise they would
@@ -270,14 +270,14 @@ public void visit(Code code) {
         boolean addSpace = literal.startsWith("`") || literal.endsWith("`") ||
                 (literal.startsWith(" ") && literal.endsWith(" ") && Parsing.hasNonSpace(literal));
         if (addSpace) {
-            writer.write(' ');
+            writer.raw(' ');
         }
-        writer.write(literal);
+        writer.raw(literal);
         if (addSpace) {
-            writer.write(' ');
+            writer.raw(' ');
         }
         for (int i = 0; i < backticks + 1; i++) {
-            writer.write('`');
+            writer.raw('`');
         }
     }
 
@@ -285,16 +285,16 @@ public void visit(Code code) {
     public void visit(Emphasis emphasis) {
         // When emphasis is nested, a different delimiter needs to be used
         char delimiter = writer.getLastChar() == '*' ? '_' : '*';
-        writer.write(delimiter);
+        writer.raw(delimiter);
         super.visit(emphasis);
-        writer.write(delimiter);
+        writer.raw(delimiter);
     }
 
     @Override
     public void visit(StrongEmphasis strongEmphasis) {
-        writer.write("**");
+        writer.raw("**");
         super.visit(strongEmphasis);
-        writer.write("**");
+        writer.raw("**");
     }
 
     @Override
@@ -309,12 +309,12 @@ public void visit(Image image) {
 
     @Override
     public void visit(HtmlInline htmlInline) {
-        writer.write(htmlInline.getLiteral());
+        writer.raw(htmlInline.getLiteral());
     }
 
     @Override
     public void visit(HardLineBreak hardLineBreak) {
-        writer.write("  ");
+        writer.raw("  ");
         writer.line();
     }
 
@@ -339,19 +339,19 @@ public void visit(Text text) {
             switch (c) {
                 case '-': {
                     // Would be ambiguous with a bullet list marker, escape
-                    writer.write("\\-");
+                    writer.raw("\\-");
                     literal = literal.substring(1);
                     break;
                 }
                 case '#': {
                     // Would be ambiguous with an ATX heading, escape
-                    writer.write("\\#");
+                    writer.raw("\\#");
                     literal = literal.substring(1);
                     break;
                 }
                 case '=': {
                     // Would be ambiguous with a Setext heading, escape
-                    writer.write("\\=");
+                    writer.raw("\\=");
                     literal = literal.substring(1);
                     break;
                 }
@@ -368,19 +368,19 @@ public void visit(Text text) {
                     // Check for ordered list marker
                     Matcher m = orderedListMarkerPattern.matcher(literal);
                     if (m.find()) {
-                        writer.write(m.group(1));
-                        writer.write("\\" + m.group(2));
+                        writer.raw(m.group(1));
+                        writer.raw("\\" + m.group(2));
                         literal = literal.substring(m.end());
                     }
                     break;
                 }
                 case '\t': {
-                    writer.write("&#9;");
+                    writer.raw("&#9;");
                     literal = literal.substring(1);
                     break;
                 }
                 case ' ': {
-                    writer.write("&#32;");
+                    writer.raw("&#32;");
                     literal = literal.substring(1);
                     break;
                 }
@@ -391,10 +391,10 @@ public void visit(Text text) {
 
         if (literal.endsWith("!") && text.getNext() instanceof Link) {
             // If we wrote the `!` unescaped, it would turn the link into an image instead.
-            writer.writeEscaped(literal.substring(0, literal.length() - 1), escape);
-            writer.write("\\!");
+            writer.text(literal.substring(0, literal.length() - 1), escape);
+            writer.raw("\\!");
         } else {
-            writer.writeEscaped(literal, escape);
+            writer.text(literal, escape);
         }
     }
 
@@ -455,24 +455,24 @@ private static List<String> getLines(String literal) {
     }
 
     private void writeLinkLike(String title, String destination, Node node, String opener) {
-        writer.write(opener);
+        writer.raw(opener);
         visitChildren(node);
-        writer.write(']');
-        writer.write('(');
+        writer.raw(']');
+        writer.raw('(');
         if (contains(destination, linkDestinationNeedsAngleBrackets)) {
-            writer.write('<');
-            writer.writeEscaped(destination, linkDestinationEscapeInAngleBrackets);
-            writer.write('>');
+            writer.raw('<');
+            writer.text(destination, linkDestinationEscapeInAngleBrackets);
+            writer.raw('>');
         } else {
-            writer.write(destination);
+            writer.raw(destination);
         }
         if (title != null) {
-            writer.write(' ');
-            writer.write('"');
-            writer.writeEscaped(title, linkTitleEscapeInQuotes);
-            writer.write('"');
+            writer.raw(' ');
+            writer.raw('"');
+            writer.text(title, linkTitleEscapeInQuotes);
+            writer.raw('"');
         }
-        writer.write(')');
+        writer.raw(')');
     }
 
     private static class ListHolder {
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index ef2945359..3b2ae18b0 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -5,6 +5,9 @@
 import java.io.IOException;
 import java.util.LinkedList;
 
+/**
+ * Writer for Markdown (CommonMark) text.
+ */
 public class MarkdownWriter {
 
     private final Appendable buffer;
@@ -19,28 +22,29 @@ public MarkdownWriter(Appendable out) {
         buffer = out;
     }
 
-    public char getLastChar() {
-        return lastChar;
-    }
-
     /**
-     * @return whether we're at the line start (not counting any prefixes), i.e. after a {@link #line} or {@link #block}.
+     * Write the supplied string (raw/unescaped).
      */
-    public boolean isAtLineStart() {
-        return atLineStart;
-    }
-
-    public void write(String s) {
+    public void raw(String s) {
         flushBlockSeparator();
         append(s);
     }
 
-    public void write(char c) {
+    /**
+     * Write the supplied character (raw/unescaped).
+     */
+    public void raw(char c) {
         flushBlockSeparator();
         append(c);
     }
 
-    public void writeEscaped(String s, CharMatcher escape) {
+    /**
+     * Write the supplied string with escaping.
+     *
+     * @param s      the string to write
+     * @param escape which characters to escape
+     */
+    public void text(String s, CharMatcher escape) {
         if (s.isEmpty()) {
             return;
         }
@@ -66,6 +70,9 @@ public void writeEscaped(String s, CharMatcher escape) {
         atLineStart = false;
     }
 
+    /**
+     * Write a newline (line terminator).
+     */
     public void line() {
         append('\n');
         writePrefixes();
@@ -83,20 +90,67 @@ public void block() {
         atLineStart = true;
     }
 
+    /**
+     * Push a prefix onto the top of the stack. All prefixes are written at the beginning of each line, until the
+     * prefix is popped again.
+     *
+     * @param prefix the raw prefix string
+     */
     public void pushPrefix(String prefix) {
         prefixes.addLast(prefix);
     }
 
+    /**
+     * Write a prefix.
+     *
+     * @param prefix the raw prefix string to write
+     */
     public void writePrefix(String prefix) {
         boolean tmp = atLineStart;
-        write(prefix);
+        raw(prefix);
         atLineStart = tmp;
     }
 
+    /**
+     * Remove the last prefix from the top of the stack.
+     */
     public void popPrefix() {
         prefixes.removeLast();
     }
 
+    /**
+     * @return the last character that was written
+     */
+    public char getLastChar() {
+        return lastChar;
+    }
+
+    /**
+     * @return whether we're at the line start (not counting any prefixes), i.e. after a {@link #line} or {@link #block}.
+     */
+    public boolean isAtLineStart() {
+        return atLineStart;
+    }
+
+    /**
+     * @return whether blocks are currently set to tight or loose, see {@link #setTight(boolean)}
+     */
+    public boolean getTight() {
+        return tight;
+    }
+
+    /**
+     * Change whether blocks are tight or loose. Loose is the default where blocks are separated by a blank line. Tight
+     * is where blocks are not separated by a blank line. Tight blocks are used in lists, if there are no blank lines
+     * within the list.
+     * <p>
+     * Note that changing this does not affect block separators that have already been enqueued (with {@link #block()},
+     * only future ones.
+     */
+    public void setTight(boolean tight) {
+        this.tight = tight;
+    }
+
     private void append(String s) {
         try {
             buffer.append(s);
@@ -144,23 +198,4 @@ private void flushBlockSeparator() {
             blockSeparator = 0;
         }
     }
-
-    /**
-     * @return whether blocks are currently set to tight or loose, see {@link #setTight(boolean)}
-     */
-    public boolean getTight() {
-        return tight;
-    }
-
-    /**
-     * Change whether blocks are tight or loose. Loose is the default where blocks are separated by a blank line. Tight
-     * is where blocks are not separated by a blank line. Tight blocks are used in lists, if there are no blank lines
-     * within the list.
-     * <p>
-     * Note that changing this does not affect block separators that have already been enqueued (with {@link #block()},
-     * only future ones.
-     */
-    public void setTight(boolean tight) {
-        this.tight = tight;
-    }
 }

From e6c82d533516553935b8f2a18d60314231cb8adb Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 6 Feb 2024 12:44:26 +1100
Subject: [PATCH 219/450] Tables extension markdown renderer

---
 .../commonmark/ext/gfm/tables/TableCell.java  |  2 +-
 .../ext/gfm/tables/TablesExtension.java       | 16 +++-
 .../internal/TableMarkdownNodeRenderer.java   | 96 +++++++++++++++++++
 .../tables/TablesMarkdownRenderingTest.java   | 70 ++++++++++++++
 .../markdown/CoreMarkdownNodeRenderer.java    |  8 +-
 .../renderer/markdown/MarkdownWriter.java     | 94 ++++++++++++------
 .../markdown/MarkdownRendererTest.java        |  3 +
 7 files changed, 255 insertions(+), 34 deletions(-)
 create mode 100644 commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
 create mode 100644 commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesMarkdownRenderingTest.java

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java
index 61880c6c3..bd7b40e02 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java
@@ -22,7 +22,7 @@ public void setHeader(boolean header) {
     }
 
     /**
-     * @return the cell alignment
+     * @return the cell alignment or {@code null} if no specific alignment
      */
     public Alignment getAlignment() {
         return alignment;
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
index 5707b0f14..d23f6f5fc 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
@@ -3,12 +3,16 @@
 import org.commonmark.Extension;
 import org.commonmark.ext.gfm.tables.internal.TableBlockParser;
 import org.commonmark.ext.gfm.tables.internal.TableHtmlNodeRenderer;
+import org.commonmark.ext.gfm.tables.internal.TableMarkdownNodeRenderer;
 import org.commonmark.ext.gfm.tables.internal.TableTextContentNodeRenderer;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.HtmlNodeRendererContext;
 import org.commonmark.renderer.html.HtmlNodeRendererFactory;
 import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererFactory;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
 import org.commonmark.renderer.text.TextContentNodeRendererContext;
 import org.commonmark.renderer.text.TextContentNodeRendererFactory;
 import org.commonmark.renderer.text.TextContentRenderer;
@@ -27,7 +31,7 @@
  * @see <a href="https://github.github.com/gfm/#tables-extension-">Tables (extension) in GitHub Flavored Markdown Spec</a>
  */
 public class TablesExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension,
-        TextContentRenderer.TextContentRendererExtension {
+        TextContentRenderer.TextContentRendererExtension, MarkdownRenderer.MarkdownRendererExtension {
 
     private TablesExtension() {
     }
@@ -60,4 +64,14 @@ public NodeRenderer create(TextContentNodeRendererContext context) {
             }
         });
     }
+
+    @Override
+    public void extend(MarkdownRenderer.Builder rendererBuilder) {
+        rendererBuilder.nodeRendererFactory(new MarkdownNodeRendererFactory() {
+            @Override
+            public NodeRenderer create(MarkdownNodeRendererContext context) {
+                return new TableMarkdownNodeRenderer(context);
+            }
+        });
+    }
 }
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
new file mode 100644
index 000000000..bf94db5bb
--- /dev/null
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
@@ -0,0 +1,96 @@
+package org.commonmark.ext.gfm.tables.internal;
+
+import org.commonmark.ext.gfm.tables.*;
+import org.commonmark.internal.util.AsciiMatcher;
+import org.commonmark.internal.util.CharMatcher;
+import org.commonmark.node.Node;
+import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
+import org.commonmark.renderer.markdown.MarkdownWriter;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * The Table node renderer that is needed for rendering GFM tables (GitHub Flavored Markdown) to text content.
+ */
+public class TableMarkdownNodeRenderer extends TableNodeRenderer implements NodeRenderer {
+    private final MarkdownWriter writer;
+    private final MarkdownNodeRendererContext context;
+
+    private final CharMatcher pipe = AsciiMatcher.builder().c('|').build();
+
+    private final List<TableCell.Alignment> columns = new ArrayList<>();
+
+    public TableMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
+        this.writer = context.getWriter();
+        this.context = context;
+    }
+
+    @Override
+    protected void renderBlock(TableBlock node) {
+        columns.clear();
+        renderChildren(node);
+        writer.block();
+    }
+
+    @Override
+    protected void renderHead(TableHead node) {
+        renderChildren(node);
+        // TODO: Not sure about this.. Should block() detect if a line was already written? Or should line() itself be lazy?
+        writer.line();
+        for (TableCell.Alignment columnAlignment : columns) {
+            writer.raw('|');
+            if (columnAlignment == TableCell.Alignment.LEFT) {
+                writer.raw(":---");
+            } else if (columnAlignment == TableCell.Alignment.RIGHT) {
+                writer.raw("---:");
+            } else if (columnAlignment == TableCell.Alignment.CENTER) {
+                writer.raw(":---:");
+            } else {
+                writer.raw("---");
+            }
+        }
+        writer.raw("|");
+        // TODO
+        if (node.getNext() != null) {
+            writer.line();
+        }
+    }
+
+    @Override
+    protected void renderBody(TableBody node) {
+        renderChildren(node);
+    }
+
+    @Override
+    protected void renderRow(TableRow node) {
+        renderChildren(node);
+        // Trailing | at the end of the line
+        writer.raw("|");
+        // TODO
+        if (node.getNext() != null) {
+            writer.line();
+        }
+    }
+
+    @Override
+    protected void renderCell(TableCell node) {
+        if (node.getParent() != null && node.getParent().getParent() instanceof TableHead) {
+            columns.add(node.getAlignment());
+        }
+        writer.raw("|");
+        writer.pushRawEscape(pipe);
+        renderChildren(node);
+        writer.popRawEscape();
+    }
+
+    private void renderChildren(Node parent) {
+        Node node = parent.getFirstChild();
+        while (node != null) {
+            Node next = node.getNext();
+            context.render(node);
+            node = next;
+        }
+    }
+}
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesMarkdownRenderingTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesMarkdownRenderingTest.java
new file mode 100644
index 000000000..8689e4ac2
--- /dev/null
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesMarkdownRenderingTest.java
@@ -0,0 +1,70 @@
+package org.commonmark.ext.gfm.tables;
+
+import org.commonmark.Extension;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
+import org.junit.Test;
+
+import java.util.Collections;
+import java.util.Set;
+
+import static org.junit.Assert.assertEquals;
+
+public class TablesMarkdownRenderingTest {
+
+    private static final Set<Extension> EXTENSIONS = Collections.singleton(TablesExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(EXTENSIONS).build();
+
+    @Test
+    public void testHeadNoBody() {
+        assertRoundTrip("|Abc|\n|---|\n");
+        assertRoundTrip("|Abc|Def|\n|---|---|\n");
+        assertRoundTrip("|Abc||\n|---|---|\n");
+    }
+
+    @Test
+    public void testHeadAndBody() {
+        assertRoundTrip("|Abc|\n|---|\n|1|\n");
+        assertRoundTrip("|Abc|Def|\n|---|---|\n|1|2|\n");
+    }
+
+    @Test
+    public void testBodyHasFewerColumns() {
+        // Could try not to write empty trailing cells but this is fine too
+        assertRoundTrip("|Abc|Def|\n|---|---|\n|1||\n");
+    }
+
+    @Test
+    public void testAlignment() {
+        assertRoundTrip("|Abc|Def|\n|:---|---|\n|1|2|\n");
+        assertRoundTrip("|Abc|Def|\n|---|---:|\n|1|2|\n");
+        assertRoundTrip("|Abc|Def|\n|:---:|:---:|\n|1|2|\n");
+    }
+
+    @Test
+    public void testInsideBlockQuote() {
+        assertRoundTrip("> |Abc|Def|\n> |---|---|\n> |1|2|\n");
+    }
+
+    @Test
+    public void testMultipleTables() {
+        assertRoundTrip("|Abc|Def|\n|---|---|\n\n|One|\n|---|\n|Only|\n");
+    }
+
+    @Test
+    public void testEscaping() {
+        assertRoundTrip("|Abc|Def|\n|---|---|\n|Pipe in|text \\||\n");
+        assertRoundTrip("|Abc|Def|\n|---|---|\n|Pipe in|code `\\|`|\n");
+        assertRoundTrip("|Abc|Def|\n|---|---|\n|Inline HTML|<span>Foo\\|bar</span>|\n");
+    }
+
+    protected String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+
+    private void assertRoundTrip(String input) {
+        String rendered = render(input);
+        assertEquals(input, rendered);
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index f5a9377f6..714144e89 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -23,15 +23,15 @@
 public class CoreMarkdownNodeRenderer extends AbstractVisitor implements NodeRenderer {
 
     private final AsciiMatcher textEscape =
-            AsciiMatcher.builder().anyOf("[]<>`*&").build();
+            AsciiMatcher.builder().anyOf("[]<>`*&\n\\").build();
     private final CharMatcher textEscapeInHeading =
             AsciiMatcher.builder(textEscape).anyOf("#").build();
     private final CharMatcher linkDestinationNeedsAngleBrackets =
-            AsciiMatcher.builder().c(' ').c('(').c(')').c('<').c('>').c('\\').build();
+            AsciiMatcher.builder().c(' ').c('(').c(')').c('<').c('>').c('\n').c('\\').build();
     private final CharMatcher linkDestinationEscapeInAngleBrackets =
-            AsciiMatcher.builder().c('<').c('>').build();
+            AsciiMatcher.builder().c('<').c('>').c('\n').c('\\').build();
     private final CharMatcher linkTitleEscapeInQuotes =
-            AsciiMatcher.builder().c('"').build();
+            AsciiMatcher.builder().c('"').c('\n').c('\\').build();
 
     private final Pattern orderedListMarkerPattern = Pattern.compile("^([0-9]{1,9})([.)])");
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index 3b2ae18b0..f648d9c4f 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -17,25 +17,26 @@ public class MarkdownWriter {
     private char lastChar;
     private boolean atLineStart = true;
     private final LinkedList<String> prefixes = new LinkedList<>();
+    private final LinkedList<CharMatcher> rawEscapes = new LinkedList<>();
 
     public MarkdownWriter(Appendable out) {
         buffer = out;
     }
 
     /**
-     * Write the supplied string (raw/unescaped).
+     * Write the supplied string (raw/unescaped except if {@link #pushRawEscape} was used).
      */
     public void raw(String s) {
         flushBlockSeparator();
-        append(s);
+        write(s, null);
     }
 
     /**
-     * Write the supplied character (raw/unescaped).
+     * Write the supplied character (raw/unescaped except if {@link #pushRawEscape} was used).
      */
     public void raw(char c) {
         flushBlockSeparator();
-        append(c);
+        write(c);
     }
 
     /**
@@ -49,22 +50,7 @@ public void text(String s, CharMatcher escape) {
             return;
         }
         flushBlockSeparator();
-        try {
-            for (int i = 0; i < s.length(); i++) {
-                char ch = s.charAt(i);
-                if (ch == '\n') {
-                    // Can't escape this with \, use numeric character reference
-                    buffer.append("&#10;");
-                } else {
-                    if (ch == '\\' || escape.matches(ch)) {
-                        buffer.append('\\');
-                    }
-                    buffer.append(ch);
-                }
-            }
-        } catch (IOException e) {
-            throw new RuntimeException(e);
-        }
+        write(s, escape);
 
         lastChar = s.charAt(s.length() - 1);
         atLineStart = false;
@@ -74,7 +60,7 @@ public void text(String s, CharMatcher escape) {
      * Write a newline (line terminator).
      */
     public void line() {
-        append('\n');
+        write('\n');
         writePrefixes();
         atLineStart = true;
     }
@@ -118,6 +104,24 @@ public void popPrefix() {
         prefixes.removeLast();
     }
 
+    /**
+     * Escape the characters matching the supplied matcher, in all text (text and raw). This might be useful to
+     * extensions that add another layer of syntax, e.g. the tables extension that uses `|` to separate cells and needs
+     * all `|` characters to be escaped (even in code spans).
+     *
+     * @param rawEscape the characters to escape in raw text
+     */
+    public void pushRawEscape(CharMatcher rawEscape) {
+        rawEscapes.add(rawEscape);
+    }
+
+    /**
+     * Remove the last raw escape from the top of the stack.
+     */
+    public void popRawEscape() {
+        rawEscapes.removeLast();
+    }
+
     /**
      * @return the last character that was written
      */
@@ -151,9 +155,16 @@ public void setTight(boolean tight) {
         this.tight = tight;
     }
 
-    private void append(String s) {
+    private void write(String s, CharMatcher escape) {
         try {
-            buffer.append(s);
+            if (rawEscapes.isEmpty() && escape == null) {
+                // Normal fast path
+                buffer.append(s);
+            } else {
+                for (int i = 0; i < s.length(); i++) {
+                    append(s.charAt(i), escape);
+                }
+            }
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
@@ -165,9 +176,9 @@ private void append(String s) {
         atLineStart = false;
     }
 
-    private void append(char c) {
+    private void write(char c) {
         try {
-            buffer.append(c);
+            append(c, null);
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
@@ -179,7 +190,7 @@ private void append(char c) {
     private void writePrefixes() {
         if (!prefixes.isEmpty()) {
             for (String prefix : prefixes) {
-                append(prefix);
+                write(prefix, null);
             }
         }
     }
@@ -189,13 +200,40 @@ private void writePrefixes() {
      */
     private void flushBlockSeparator() {
         if (blockSeparator != 0) {
-            append('\n');
+            write('\n');
             writePrefixes();
             if (blockSeparator > 1) {
-                append('\n');
+                write('\n');
                 writePrefixes();
             }
             blockSeparator = 0;
         }
     }
+
+    private void append(char c, CharMatcher escape) throws IOException {
+        if (needsEscaping(c, escape)) {
+            if (c == '\n') {
+                // Can't escape this with \, use numeric character reference
+                buffer.append("&#10;");
+            } else {
+                buffer.append('\\');
+                buffer.append(c);
+            }
+        } else {
+            buffer.append(c);
+        }
+    }
+
+    private boolean needsEscaping(char c, CharMatcher escape) {
+        return (escape != null && escape.matches(c)) || rawNeedsEscaping(c);
+    }
+
+    private boolean rawNeedsEscaping(char c) {
+        for (CharMatcher rawEscape : rawEscapes) {
+            if (rawEscape.matches(c)) {
+                return true;
+            }
+        }
+        return false;
+    }
 }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index bc6d9b696..20453eed7 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -194,6 +194,9 @@ public void testLinks() {
         assertRoundTrip("[a](<b\\>c>)\n");
         assertRoundTrip("[a](<b\\\\\\>c>)\n");
         assertRoundTrip("[a](/uri \"foo \\\" bar\")\n");
+        assertRoundTrip("[link](/uri \"tes\\\\\")\n");
+        assertRoundTrip("[link](/url \"test&#10;&#10;\")\n");
+        assertRoundTrip("[link](</url&#10;&#10;>)\n");
     }
 
     @Test

From d726f72916bcdcdc3b5fb8d49d97beb6aaf784c2 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 6 Feb 2024 12:52:43 +1100
Subject: [PATCH 220/450] Change isTight/setTight to use push/pop pattern like
 other settings

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 10 ++--
 .../renderer/markdown/MarkdownWriter.java     | 49 +++++++++++--------
 2 files changed, 32 insertions(+), 27 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 714144e89..c7fa9be7a 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -205,23 +205,21 @@ public void visit(BlockQuote blockQuote) {
 
     @Override
     public void visit(BulletList bulletList) {
-        boolean oldTight = writer.getTight();
-        writer.setTight(bulletList.isTight());
+        writer.pushTight(bulletList.isTight());
         listHolder = new BulletListHolder(listHolder, bulletList);
         visitChildren(bulletList);
         listHolder = listHolder.parent;
-        writer.setTight(oldTight);
+        writer.popTight();
         writer.block();
     }
 
     @Override
     public void visit(OrderedList orderedList) {
-        boolean oldTight = writer.getTight();
-        writer.setTight(orderedList.isTight());
+        writer.pushTight(orderedList.isTight());
         listHolder = new OrderedListHolder(listHolder, orderedList);
         visitChildren(orderedList);
         listHolder = listHolder.parent;
-        writer.setTight(oldTight);
+        writer.popTight();
         writer.block();
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index f648d9c4f..1231a4a73 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -13,10 +13,13 @@ public class MarkdownWriter {
     private final Appendable buffer;
 
     private int blockSeparator = 0;
-    private boolean tight;
     private char lastChar;
     private boolean atLineStart = true;
+
+    // Stacks of settings that affect various rendering behaviors. The common pattern here is that callers use "push" to
+    // change a setting, render some nodes, and then "pop" the setting off the stack again to restore previous state.
     private final LinkedList<String> prefixes = new LinkedList<>();
+    private final LinkedList<Boolean> tight = new LinkedList<>();
     private final LinkedList<CharMatcher> rawEscapes = new LinkedList<>();
 
     public MarkdownWriter(Appendable out) {
@@ -72,7 +75,7 @@ public void line() {
     public void block() {
         // Remember whether this should be a tight or loose separator now because tight could get changed in between
         // this and the next flush.
-        blockSeparator = tight ? 1 : 2;
+        blockSeparator = isTight() ? 1 : 2;
         atLineStart = true;
     }
 
@@ -104,6 +107,25 @@ public void popPrefix() {
         prefixes.removeLast();
     }
 
+    /**
+     * Change whether blocks are tight or loose. Loose is the default where blocks are separated by a blank line. Tight
+     * is where blocks are not separated by a blank line. Tight blocks are used in lists, if there are no blank lines
+     * within the list.
+     * <p>
+     * Note that changing this does not affect block separators that have already been enqueued with {@link #block()},
+     * only future ones.
+     */
+    public void pushTight(boolean tight) {
+        this.tight.addLast(tight);
+    }
+
+    /**
+     * Remove the last "tight" setting from the top of the stack.
+     */
+    public void popTight() {
+        this.tight.removeLast();
+    }
+
     /**
      * Escape the characters matching the supplied matcher, in all text (text and raw). This might be useful to
      * extensions that add another layer of syntax, e.g. the tables extension that uses `|` to separate cells and needs
@@ -136,25 +158,6 @@ public boolean isAtLineStart() {
         return atLineStart;
     }
 
-    /**
-     * @return whether blocks are currently set to tight or loose, see {@link #setTight(boolean)}
-     */
-    public boolean getTight() {
-        return tight;
-    }
-
-    /**
-     * Change whether blocks are tight or loose. Loose is the default where blocks are separated by a blank line. Tight
-     * is where blocks are not separated by a blank line. Tight blocks are used in lists, if there are no blank lines
-     * within the list.
-     * <p>
-     * Note that changing this does not affect block separators that have already been enqueued (with {@link #block()},
-     * only future ones.
-     */
-    public void setTight(boolean tight) {
-        this.tight = tight;
-    }
-
     private void write(String s, CharMatcher escape) {
         try {
             if (rawEscapes.isEmpty() && escape == null) {
@@ -224,6 +227,10 @@ private void append(char c, CharMatcher escape) throws IOException {
         }
     }
 
+    private boolean isTight() {
+        return !tight.isEmpty() && tight.getLast();
+    }
+
     private boolean needsEscaping(char c, CharMatcher escape) {
         return (escape != null && escape.matches(c)) || rawNeedsEscaping(c);
     }

From aaf18a2974d55bb9d0c83ce97e97e1439ff27dc2 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 6 Feb 2024 12:58:30 +1100
Subject: [PATCH 221/450] Use tight blocks to render tables

---
 .../tables/internal/TableMarkdownNodeRenderer.java | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
index bf94db5bb..487147164 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
@@ -30,15 +30,15 @@ public TableMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
     @Override
     protected void renderBlock(TableBlock node) {
         columns.clear();
+        writer.pushTight(true);
         renderChildren(node);
+        writer.popTight();
         writer.block();
     }
 
     @Override
     protected void renderHead(TableHead node) {
         renderChildren(node);
-        // TODO: Not sure about this.. Should block() detect if a line was already written? Or should line() itself be lazy?
-        writer.line();
         for (TableCell.Alignment columnAlignment : columns) {
             writer.raw('|');
             if (columnAlignment == TableCell.Alignment.LEFT) {
@@ -52,10 +52,7 @@ protected void renderHead(TableHead node) {
             }
         }
         writer.raw("|");
-        // TODO
-        if (node.getNext() != null) {
-            writer.line();
-        }
+        writer.block();
     }
 
     @Override
@@ -68,10 +65,7 @@ protected void renderRow(TableRow node) {
         renderChildren(node);
         // Trailing | at the end of the line
         writer.raw("|");
-        // TODO
-        if (node.getNext() != null) {
-            writer.line();
-        }
+        writer.block();
     }
 
     @Override

From 01a52bce23dd7efb1a31a772d086b34fd9930b0d Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 6 Feb 2024 22:04:50 +1100
Subject: [PATCH 222/450] Rename file

---
 ...arkdownRenderingTest.java => TableMarkdownRendererTest.java} | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 rename commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/{TablesMarkdownRenderingTest.java => TableMarkdownRendererTest.java} (98%)

diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesMarkdownRenderingTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
similarity index 98%
rename from commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesMarkdownRenderingTest.java
rename to commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
index 8689e4ac2..cf63fb19c 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesMarkdownRenderingTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
@@ -10,7 +10,7 @@
 
 import static org.junit.Assert.assertEquals;
 
-public class TablesMarkdownRenderingTest {
+public class TableMarkdownRendererTest {
 
     private static final Set<Extension> EXTENSIONS = Collections.singleton(TablesExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();

From a490faee954641b6a8d8bacd754f832c4eb646ec Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 6 Feb 2024 22:31:13 +1100
Subject: [PATCH 223/450] Strikethrough markdown renderer

---
 .../ext/gfm/strikethrough/Strikethrough.java  | 12 ++++---
 .../strikethrough/StrikethroughExtension.java | 30 +++++++++++-----
 .../StrikethroughDelimiterProcessor.java      |  3 +-
 .../StrikethroughMarkdownNodeRenderer.java    | 34 ++++++++++++++++++
 .../StrikethroughMarkdownRendererTest.java    | 36 +++++++++++++++++++
 5 files changed, 102 insertions(+), 13 deletions(-)
 create mode 100644 commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughMarkdownNodeRenderer.java
 create mode 100644 commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java

diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/Strikethrough.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/Strikethrough.java
index 115ae9ea4..0c24642bc 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/Strikethrough.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/Strikethrough.java
@@ -4,19 +4,23 @@
 import org.commonmark.node.Delimited;
 
 /**
- * A strikethrough node containing text and other inline nodes nodes as children.
+ * A strikethrough node containing text and other inline nodes as children.
  */
 public class Strikethrough extends CustomNode implements Delimited {
 
-    private static final String DELIMITER = "~~";
+    private String delimiter;
+
+    public Strikethrough(String delimiter) {
+        this.delimiter = delimiter;
+    }
 
     @Override
     public String getOpeningDelimiter() {
-        return DELIMITER;
+        return delimiter;
     }
 
     @Override
     public String getClosingDelimiter() {
-        return DELIMITER;
+        return delimiter;
     }
 }
diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
index 4f0228a1c..aa7dff716 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
@@ -1,17 +1,21 @@
 package org.commonmark.ext.gfm.strikethrough;
 
 import org.commonmark.Extension;
-import org.commonmark.renderer.text.TextContentRenderer;
-import org.commonmark.renderer.text.TextContentNodeRendererContext;
-import org.commonmark.renderer.text.TextContentNodeRendererFactory;
 import org.commonmark.ext.gfm.strikethrough.internal.StrikethroughDelimiterProcessor;
 import org.commonmark.ext.gfm.strikethrough.internal.StrikethroughHtmlNodeRenderer;
+import org.commonmark.ext.gfm.strikethrough.internal.StrikethroughMarkdownNodeRenderer;
 import org.commonmark.ext.gfm.strikethrough.internal.StrikethroughTextContentNodeRenderer;
-import org.commonmark.renderer.html.HtmlRenderer;
-import org.commonmark.renderer.html.HtmlNodeRendererContext;
-import org.commonmark.renderer.html.HtmlNodeRendererFactory;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.renderer.html.HtmlNodeRendererContext;
+import org.commonmark.renderer.html.HtmlNodeRendererFactory;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererFactory;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
+import org.commonmark.renderer.text.TextContentNodeRendererContext;
+import org.commonmark.renderer.text.TextContentNodeRendererFactory;
+import org.commonmark.renderer.text.TextContentRenderer;
 
 /**
  * Extension for GFM strikethrough using {@code ~} or {@code ~~} (GitHub Flavored Markdown).
@@ -42,7 +46,7 @@
  * </p>
  */
 public class StrikethroughExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension,
-        TextContentRenderer.TextContentRendererExtension {
+        TextContentRenderer.TextContentRendererExtension, MarkdownRenderer.MarkdownRendererExtension {
 
     private final boolean requireTwoTildes;
 
@@ -89,13 +93,23 @@ public NodeRenderer create(TextContentNodeRendererContext context) {
         });
     }
 
+    @Override
+    public void extend(MarkdownRenderer.Builder rendererBuilder) {
+        rendererBuilder.nodeRendererFactory(new MarkdownNodeRendererFactory() {
+            @Override
+            public NodeRenderer create(MarkdownNodeRendererContext context) {
+                return new StrikethroughMarkdownNodeRenderer(context);
+            }
+        });
+    }
+
     public static class Builder {
 
         private boolean requireTwoTildes = false;
 
         /**
          * @param requireTwoTildes Whether two tilde characters ({@code ~~}) are required for strikethrough or whether
-         * one is also enough. Default is {@code false}; both a single tilde and two tildes can be used for strikethrough.
+         *                         one is also enough. Default is {@code false}; both a single tilde and two tildes can be used for strikethrough.
          * @return {@code this}
          */
         public Builder requireTwoTildes(boolean requireTwoTildes) {
diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
index 3dedff1b9..4657106ab 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughDelimiterProcessor.java
@@ -43,7 +43,8 @@ public int process(DelimiterRun openingRun, DelimiterRun closingRun) {
             Text opener = openingRun.getOpener();
 
             // Wrap nodes between delimiters in strikethrough.
-            Node strikethrough = new Strikethrough();
+            String delimiter = openingRun.length() == 1 ? opener.getLiteral() : opener.getLiteral() + opener.getLiteral();
+            Node strikethrough = new Strikethrough(delimiter);
 
             SourceSpans sourceSpans = new SourceSpans();
             sourceSpans.addAllFrom(openingRun.getOpeners(openingRun.length()));
diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughMarkdownNodeRenderer.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughMarkdownNodeRenderer.java
new file mode 100644
index 000000000..1c91dd64f
--- /dev/null
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughMarkdownNodeRenderer.java
@@ -0,0 +1,34 @@
+package org.commonmark.ext.gfm.strikethrough.internal;
+
+import org.commonmark.ext.gfm.strikethrough.Strikethrough;
+import org.commonmark.node.Node;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
+import org.commonmark.renderer.markdown.MarkdownWriter;
+
+public class StrikethroughMarkdownNodeRenderer extends StrikethroughNodeRenderer {
+
+    private final MarkdownNodeRendererContext context;
+    private final MarkdownWriter writer;
+
+    public StrikethroughMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
+        this.context = context;
+        this.writer = context.getWriter();
+    }
+
+    @Override
+    public void render(Node node) {
+        Strikethrough strikethrough = (Strikethrough) node;
+        writer.raw(strikethrough.getOpeningDelimiter());
+        renderChildren(node);
+        writer.raw(strikethrough.getClosingDelimiter());
+    }
+
+    private void renderChildren(Node parent) {
+        Node node = parent.getFirstChild();
+        while (node != null) {
+            Node next = node.getNext();
+            context.render(node);
+            node = next;
+        }
+    }
+}
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java
new file mode 100644
index 000000000..b722018b8
--- /dev/null
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java
@@ -0,0 +1,36 @@
+package org.commonmark.ext.gfm.strikethrough;
+
+import org.commonmark.Extension;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
+import org.junit.Test;
+
+import java.util.Collections;
+import java.util.Set;
+
+import static org.junit.Assert.assertEquals;
+
+public class StrikethroughMarkdownRendererTest {
+
+    private static final Set<Extension> EXTENSIONS = Collections.singleton(StrikethroughExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(EXTENSIONS).build();
+
+    @Test
+    public void testStrikethrough() {
+        assertRoundTrip("~foo~ ~bar~\n");
+        assertRoundTrip("~~f~oo~~ ~~bar~~\n");
+
+        // TODO this new special character needs to be escaped:
+//        assertRoundTrip("\\~foo\\~\n");
+    }
+
+    protected String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+
+    private void assertRoundTrip(String input) {
+        String rendered = render(input);
+        assertEquals(input, rendered);
+    }
+}

From 981d2363851da3fa81bd7ec333d237604b823235 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 6 Feb 2024 23:04:37 +1100
Subject: [PATCH 224/450] Add getSpecialCharacters for escaping of extension
 characters

---
 .../strikethrough/StrikethroughExtension.java |  8 +++++++
 .../StrikethroughMarkdownRendererTest.java    |  6 +++---
 .../ext/gfm/tables/TablesExtension.java       |  8 +++++++
 .../internal/util/AsciiMatcher.java           | 16 ++++++++++----
 .../markdown/CoreMarkdownNodeRenderer.java    |  9 ++++----
 .../markdown/MarkdownNodeRendererContext.java |  8 +++++++
 .../markdown/MarkdownNodeRendererFactory.java |  8 +++++++
 .../renderer/markdown/MarkdownRenderer.java   | 21 +++++++++++++++++--
 8 files changed, 71 insertions(+), 13 deletions(-)

diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
index aa7dff716..f87f3e9c8 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
@@ -17,6 +17,9 @@
 import org.commonmark.renderer.text.TextContentNodeRendererFactory;
 import org.commonmark.renderer.text.TextContentRenderer;
 
+import java.util.Collections;
+import java.util.Set;
+
 /**
  * Extension for GFM strikethrough using {@code ~} or {@code ~~} (GitHub Flavored Markdown).
  * <p>Example input:</p>
@@ -100,6 +103,11 @@ public void extend(MarkdownRenderer.Builder rendererBuilder) {
             public NodeRenderer create(MarkdownNodeRendererContext context) {
                 return new StrikethroughMarkdownNodeRenderer(context);
             }
+
+            @Override
+            public Set<Character> getSpecialCharacters() {
+                return Collections.singleton('~');
+            }
         });
     }
 
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java
index b722018b8..96df48cec 100644
--- a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java
@@ -19,10 +19,10 @@ public class StrikethroughMarkdownRendererTest {
     @Test
     public void testStrikethrough() {
         assertRoundTrip("~foo~ ~bar~\n");
-        assertRoundTrip("~~f~oo~~ ~~bar~~\n");
+        assertRoundTrip("~~foo~~ ~~bar~~\n");
+        assertRoundTrip("~~f\\~oo~~ ~~bar~~\n");
 
-        // TODO this new special character needs to be escaped:
-//        assertRoundTrip("\\~foo\\~\n");
+        assertRoundTrip("\\~foo\\~\n");
     }
 
     protected String render(String source) {
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
index d23f6f5fc..92e1f0ba4 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
@@ -17,6 +17,9 @@
 import org.commonmark.renderer.text.TextContentNodeRendererFactory;
 import org.commonmark.renderer.text.TextContentRenderer;
 
+import java.util.Collections;
+import java.util.Set;
+
 /**
  * Extension for GFM tables using "|" pipes (GitHub Flavored Markdown).
  * <p>
@@ -72,6 +75,11 @@ public void extend(MarkdownRenderer.Builder rendererBuilder) {
             public NodeRenderer create(MarkdownNodeRendererContext context) {
                 return new TableMarkdownNodeRenderer(context);
             }
+
+            @Override
+            public Set<Character> getSpecialCharacters() {
+                return Collections.emptySet();
+            }
         });
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java b/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
index d31020fa3..dd7e8d5eb 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
@@ -1,6 +1,7 @@
 package org.commonmark.internal.util;
 
 import java.util.BitSet;
+import java.util.Set;
 
 public class AsciiMatcher implements CharMatcher {
     private final BitSet set;
@@ -33,6 +34,14 @@ private Builder(BitSet set) {
             this.set = set;
         }
 
+        public Builder c(char c) {
+            if (c > 127) {
+                throw new IllegalArgumentException("Can only match ASCII characters");
+            }
+            set.set(c);
+            return this;
+        }
+
         public Builder anyOf(String s) {
             for (int i = 0; i < s.length(); i++) {
                 c(s.charAt(i));
@@ -40,11 +49,10 @@ public Builder anyOf(String s) {
             return this;
         }
 
-        public Builder c(char c) {
-            if (c > 127) {
-                throw new IllegalArgumentException("Can only match ASCII characters");
+        public Builder anyOf(Set<Character> characters) {
+            for (Character c : characters) {
+                c(c);
             }
-            set.set(c);
             return this;
         }
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index c7fa9be7a..2db7ef30c 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -22,10 +22,8 @@
  */
 public class CoreMarkdownNodeRenderer extends AbstractVisitor implements NodeRenderer {
 
-    private final AsciiMatcher textEscape =
-            AsciiMatcher.builder().anyOf("[]<>`*&\n\\").build();
-    private final CharMatcher textEscapeInHeading =
-            AsciiMatcher.builder(textEscape).anyOf("#").build();
+    private final AsciiMatcher textEscape;
+    private final CharMatcher textEscapeInHeading;
     private final CharMatcher linkDestinationNeedsAngleBrackets =
             AsciiMatcher.builder().c(' ').c('(').c(')').c('<').c('>').c('\n').c('\\').build();
     private final CharMatcher linkDestinationEscapeInAngleBrackets =
@@ -46,6 +44,9 @@ public class CoreMarkdownNodeRenderer extends AbstractVisitor implements NodeRen
     public CoreMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
         this.context = context;
         this.writer = context.getWriter();
+
+        textEscape = AsciiMatcher.builder().anyOf("[]<>`*&\n\\").anyOf(context.getSpecialCharacters()).build();
+        textEscapeInHeading = AsciiMatcher.builder(textEscape).anyOf("#").build();
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java
index 8fe0f73d5..5805c458b 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java
@@ -2,6 +2,8 @@
 
 import org.commonmark.node.Node;
 
+import java.util.Set;
+
 public interface MarkdownNodeRendererContext {
 
     /**
@@ -16,4 +18,10 @@ public interface MarkdownNodeRendererContext {
      * @param node the node to render
      */
     void render(Node node);
+
+    /**
+     * @return additional special characters that need to be escaped if they occur in normal text; currently only ASCII
+     * characters are allowed
+     */
+    Set<Character> getSpecialCharacters();
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java
index 7b3134277..adfe8a07b 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java
@@ -2,6 +2,8 @@
 
 import org.commonmark.renderer.NodeRenderer;
 
+import java.util.Set;
+
 /**
  * Factory for instantiating new node renderers ƒor rendering.
  */
@@ -14,4 +16,10 @@ public interface MarkdownNodeRendererFactory {
      * @return a node renderer
      */
     NodeRenderer create(MarkdownNodeRendererContext context);
+
+    /**
+     * @return the additional special characters that this factory would like to have escaped in normal text; currently
+     * only ASCII characters are allowed
+     */
+    Set<Character> getSpecialCharacters();
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
index 4dee17ed6..926105202 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
@@ -6,8 +6,7 @@
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.Renderer;
 
-import java.util.ArrayList;
-import java.util.List;
+import java.util.*;
 
 /**
  * Renders nodes to CommonMark Markdown.
@@ -32,6 +31,11 @@ private MarkdownRenderer(Builder builder) {
             public NodeRenderer create(MarkdownNodeRendererContext context) {
                 return new CoreMarkdownNodeRenderer(context);
             }
+
+            @Override
+            public Set<Character> getSpecialCharacters() {
+                return Collections.emptySet();
+            }
         });
     }
 
@@ -111,13 +115,21 @@ public interface MarkdownRendererExtension extends Extension {
     private class RendererContext implements MarkdownNodeRendererContext {
         private final MarkdownWriter writer;
         private final NodeRendererMap nodeRendererMap = new NodeRendererMap();
+        private final Set<Character> additionalTextEscapes;
 
         private RendererContext(MarkdownWriter writer) {
+            // Set fields that are used by interface
             this.writer = writer;
+            Set<Character> escapes = new HashSet<Character>();
+            for (MarkdownNodeRendererFactory factory : nodeRendererFactories) {
+                escapes.addAll(factory.getSpecialCharacters());
+            }
+            additionalTextEscapes = Collections.unmodifiableSet(escapes);
 
             // The first node renderer for a node type "wins".
             for (int i = nodeRendererFactories.size() - 1; i >= 0; i--) {
                 MarkdownNodeRendererFactory nodeRendererFactory = nodeRendererFactories.get(i);
+                // Pass in this as context here, which uses the fields set above
                 NodeRenderer nodeRenderer = nodeRendererFactory.create(this);
                 nodeRendererMap.add(nodeRenderer);
             }
@@ -132,5 +144,10 @@ public MarkdownWriter getWriter() {
         public void render(Node node) {
             nodeRendererMap.render(node);
         }
+
+        @Override
+        public Set<Character> getSpecialCharacters() {
+            return additionalTextEscapes;
+        }
     }
 }

From 64eafc413dfc5bc936dd1ae7dbf189d46a8652fa Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 6 Feb 2024 23:06:42 +1100
Subject: [PATCH 225/450] Use getSpecialCharacters for table extension too

---
 .../java/org/commonmark/ext/gfm/tables/TablesExtension.java | 2 +-
 .../ext/gfm/tables/TableMarkdownRendererTest.java           | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
index 92e1f0ba4..d18c38283 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
@@ -78,7 +78,7 @@ public NodeRenderer create(MarkdownNodeRendererContext context) {
 
             @Override
             public Set<Character> getSpecialCharacters() {
-                return Collections.emptySet();
+                return Collections.singleton('|');
             }
         });
     }
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
index cf63fb19c..1db917d08 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
@@ -59,6 +59,12 @@ public void testEscaping() {
         assertRoundTrip("|Abc|Def|\n|---|---|\n|Inline HTML|<span>Foo\\|bar</span>|\n");
     }
 
+    @Test
+    public void testEscaped() {
+        // `|` in Text nodes needs to be escaped, otherwise the generated Markdown does not get parsed back as a table
+        assertRoundTrip("\\|Abc\\|\n\\|---\\|\n");
+    }
+
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));
     }

From 2966df1113eb28c5a3940718e62a25a75a24fd69 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 7 Feb 2024 19:13:55 +1100
Subject: [PATCH 226/450] Ins extensions markdown renderer

---
 .../org/commonmark/ext/ins/InsExtension.java  | 28 +++++++++++++--
 .../ins/internal/InsMarkdownNodeRenderer.java | 32 +++++++++++++++++
 .../ext/ins/InsMarkdownRendererTest.java      | 34 +++++++++++++++++++
 3 files changed, 91 insertions(+), 3 deletions(-)
 create mode 100644 commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsMarkdownNodeRenderer.java
 create mode 100644 commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java

diff --git a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java
index 2f980d93b..065719558 100644
--- a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java
+++ b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java
@@ -3,16 +3,23 @@
 import org.commonmark.Extension;
 import org.commonmark.ext.ins.internal.InsDelimiterProcessor;
 import org.commonmark.ext.ins.internal.InsHtmlNodeRenderer;
+import org.commonmark.ext.ins.internal.InsMarkdownNodeRenderer;
 import org.commonmark.ext.ins.internal.InsTextContentNodeRenderer;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.HtmlNodeRendererContext;
 import org.commonmark.renderer.html.HtmlNodeRendererFactory;
 import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererFactory;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
 import org.commonmark.renderer.text.TextContentNodeRendererContext;
 import org.commonmark.renderer.text.TextContentNodeRendererFactory;
 import org.commonmark.renderer.text.TextContentRenderer;
 
+import java.util.Collections;
+import java.util.Set;
+
 /**
  * Extension for ins using ++
  * <p>
@@ -24,9 +31,7 @@
  * The parsed ins text regions are turned into {@link Ins} nodes.
  * </p>
  */
-public class InsExtension implements Parser.ParserExtension,
-        HtmlRenderer.HtmlRendererExtension,
-        TextContentRenderer.TextContentRendererExtension {
+public class InsExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension, TextContentRenderer.TextContentRendererExtension, MarkdownRenderer.MarkdownRendererExtension {
 
     private InsExtension() {
     }
@@ -59,4 +64,21 @@ public NodeRenderer create(TextContentNodeRendererContext context) {
             }
         });
     }
+
+    @Override
+    public void extend(MarkdownRenderer.Builder rendererBuilder) {
+        rendererBuilder.nodeRendererFactory(new MarkdownNodeRendererFactory() {
+            @Override
+            public NodeRenderer create(MarkdownNodeRendererContext context) {
+                return new InsMarkdownNodeRenderer(context);
+            }
+
+            @Override
+            public Set<Character> getSpecialCharacters() {
+                // We technically don't need to escape single occurrences of +, but that's all the extension API
+                // exposes currently.
+                return Collections.singleton('+');
+            }
+        });
+    }
 }
diff --git a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsMarkdownNodeRenderer.java b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsMarkdownNodeRenderer.java
new file mode 100644
index 000000000..851d47282
--- /dev/null
+++ b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsMarkdownNodeRenderer.java
@@ -0,0 +1,32 @@
+package org.commonmark.ext.ins.internal;
+
+import org.commonmark.node.Node;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
+import org.commonmark.renderer.markdown.MarkdownWriter;
+
+public class InsMarkdownNodeRenderer extends InsNodeRenderer {
+
+    private final MarkdownNodeRendererContext context;
+    private final MarkdownWriter writer;
+
+    public InsMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
+        this.context = context;
+        this.writer = context.getWriter();
+    }
+
+    @Override
+    public void render(Node node) {
+        writer.raw("++");
+        renderChildren(node);
+        writer.raw("++");
+    }
+
+    private void renderChildren(Node parent) {
+        Node node = parent.getFirstChild();
+        while (node != null) {
+            Node next = node.getNext();
+            context.render(node);
+            node = next;
+        }
+    }
+}
diff --git a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java
new file mode 100644
index 000000000..16cefc7f1
--- /dev/null
+++ b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java
@@ -0,0 +1,34 @@
+package org.commonmark.ext.ins;
+
+import org.commonmark.Extension;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
+import org.junit.Test;
+
+import java.util.Collections;
+import java.util.Set;
+
+import static org.junit.Assert.assertEquals;
+
+public class InsMarkdownRendererTest {
+
+    private static final Set<Extension> EXTENSIONS = Collections.singleton(InsExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(EXTENSIONS).build();
+
+    @Test
+    public void testStrikethrough() {
+        assertRoundTrip("++foo++\n");
+
+        assertRoundTrip("\\+\\+foo\\+\\+\n");
+    }
+
+    protected String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+
+    private void assertRoundTrip(String input) {
+        String rendered = render(input);
+        assertEquals(input, rendered);
+    }
+}

From 0c5ad6e1f16ae2b655db93fd07c0af502fead16e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 8 Feb 2024 23:26:03 +1100
Subject: [PATCH 227/450] Use parsed delimiter for emphasis if available

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 10 ++++--
 .../markdown/MarkdownRendererTest.java        | 34 ++++++++++++++-----
 2 files changed, 32 insertions(+), 12 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 2db7ef30c..748ff5dfb 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -45,7 +45,7 @@ public CoreMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
         this.context = context;
         this.writer = context.getWriter();
 
-        textEscape = AsciiMatcher.builder().anyOf("[]<>`*&\n\\").anyOf(context.getSpecialCharacters()).build();
+        textEscape = AsciiMatcher.builder().anyOf("[]<>`*_&\n\\").anyOf(context.getSpecialCharacters()).build();
         textEscapeInHeading = AsciiMatcher.builder(textEscape).anyOf("#").build();
     }
 
@@ -282,8 +282,12 @@ public void visit(Code code) {
 
     @Override
     public void visit(Emphasis emphasis) {
-        // When emphasis is nested, a different delimiter needs to be used
-        char delimiter = writer.getLastChar() == '*' ? '_' : '*';
+        String delimiter = emphasis.getOpeningDelimiter();
+        // Use delimiter that was parsed if available
+        if (delimiter == null) {
+            // When emphasis is nested, a different delimiter needs to be used
+            delimiter = writer.getLastChar() == '*' ? "_" : "*";
+        }
         writer.raw(delimiter);
         super.visit(emphasis);
         writer.raw(delimiter);
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 20453eed7..af6a3488a 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -1,6 +1,6 @@
 package org.commonmark.renderer.markdown;
 
-import org.commonmark.node.Node;
+import org.commonmark.node.*;
 import org.commonmark.parser.Parser;
 import org.junit.Test;
 
@@ -173,9 +173,21 @@ public void testEmphasis() {
         // When nesting, a different delimiter needs to be used
         assertRoundTrip("*_foo_*\n");
         assertRoundTrip("*_*foo*_*\n");
+        assertRoundTrip("_*foo*_\n");
 
         // Not emphasis (needs * inside words)
-        assertRoundTrip("foo_bar_\n");
+        assertRoundTrip("foo\\_bar\\_\n");
+
+        // Even when rendering a manually constructed tree, the emphasis delimiter needs to be chosen correctly.
+        Document doc = new Document();
+        Paragraph p = new Paragraph();
+        doc.appendChild(p);
+        Emphasis e1 = new Emphasis();
+        p.appendChild(e1);
+        Emphasis e2 = new Emphasis();
+        e1.appendChild(e2);
+        e2.appendChild(new Text("hi"));
+        assertEquals("*_hi_*\n", render(doc));
     }
 
     @Test
@@ -226,17 +238,21 @@ public void testSoftLineBreaks() {
         assertRoundTrip("foo\nbar\n");
     }
 
-    private Node parse(String source) {
-        return Parser.builder().build().parse(source);
+    private void assertRoundTrip(String input) {
+        String rendered = parseAndRender(input);
+        assertEquals(input, rendered);
     }
 
-    private String render(String source) {
+    private String parseAndRender(String source) {
         Node parsed = parse(source);
-        return MarkdownRenderer.builder().build().render(parsed);
+        return render(parsed);
     }
 
-    private void assertRoundTrip(String input) {
-        String rendered = render(input);
-        assertEquals(input, rendered);
+    private Node parse(String source) {
+        return Parser.builder().build().parse(source);
+    }
+
+    private String render(Node node) {
+        return MarkdownRenderer.builder().build().render(node);
     }
 }

From 5a0960f9903ffef5b3b488969fd922c6e2067b4d Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 8 Feb 2024 23:26:32 +1100
Subject: [PATCH 228/450] Add integration test for multiple extensions

---
 .../MarkdownRendererIntegrationTest.java      | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java

diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java
new file mode 100644
index 000000000..51f761cfd
--- /dev/null
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java
@@ -0,0 +1,46 @@
+package org.commonmark.integration;
+
+import org.commonmark.Extension;
+import org.commonmark.ext.autolink.AutolinkExtension;
+import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
+import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
+import org.commonmark.ext.gfm.tables.TablesExtension;
+import org.commonmark.ext.image.attributes.ImageAttributesExtension;
+import org.commonmark.ext.ins.InsExtension;
+import org.commonmark.ext.task.list.items.TaskListItemsExtension;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+
+public class MarkdownRendererIntegrationTest {
+
+    private static final List<Extension> EXTENSIONS = Arrays.asList(
+            AutolinkExtension.create(),
+            ImageAttributesExtension.create(),
+            InsExtension.create(),
+            StrikethroughExtension.create(),
+            TablesExtension.create(),
+            TaskListItemsExtension.create(),
+            YamlFrontMatterExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(EXTENSIONS).build();
+
+    @Test
+    public void testStrikethroughInTable() {
+        assertRoundTrip("|Abc|\n|---|\n|~strikethrough~|\n|\\~escaped\\~|\n");
+    }
+
+    private String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+
+    private void assertRoundTrip(String input) {
+        String rendered = render(input);
+        assertEquals(input, rendered);
+    }
+}

From 114956af772cb82aa8f5c262e735aadcb0adc9cf Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 8 Feb 2024 23:31:37 +1100
Subject: [PATCH 229/450] Fix thematic break and list items

---
 .../renderer/markdown/CoreMarkdownNodeRenderer.java      | 3 ++-
 .../renderer/markdown/MarkdownRendererTest.java          | 9 +++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 748ff5dfb..30d6d1a5c 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -89,7 +89,8 @@ public void visit(Document document) {
 
     @Override
     public void visit(ThematicBreak thematicBreak) {
-        writer.raw("***");
+        // Let's use ___ as it doesn't introduce ambiguity with * or - list item markers
+        writer.raw("___");
         writer.block();
     }
 
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index af6a3488a..eaabe837c 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -12,10 +12,11 @@ public class MarkdownRendererTest {
 
     @Test
     public void testThematicBreaks() {
-        assertRoundTrip("***\n");
-        // TODO: spec: If you want a thematic break in a list item, use a different bullet:
-
-        assertRoundTrip("***\n\nfoo\n");
+        assertRoundTrip("___\n");
+        assertRoundTrip("___\n\nfoo\n");
+        // List item with hr -> hr needs to not use the same as the marker
+        assertRoundTrip("* ___\n");
+        assertRoundTrip("- ___\n");
     }
 
     @Test

From a88ab234e01ab4e1f39e1466490536f7d1f5d93b Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 10 Feb 2024 11:54:30 +1100
Subject: [PATCH 230/450] README: Bump versions

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index bcf552c5b..5e1342740 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.20.0</version>
+    <version>0.21.0</version>
 </dependency>
 ```
 
@@ -234,7 +234,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.20.0</version>
+    <version>0.21.0</version>
 </dependency>
 ```
 

From 2cfe732fc8c67ab04350c1b54326e46ce4039d60 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 2 Oct 2023 19:26:48 +1100
Subject: [PATCH 231/450] Test on Java 21

Bump `actions/setup-java` to `v2` as well, which requires specifying a
distribution and use 8 instead of 1.8.
---
 .github/workflows/ci.yml      | 15 +++++++++------
 .github/workflows/release.yml |  5 +++--
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 381d7c73f..df0fa28fb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,15 +9,16 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [1.8, 11, 17]
+        java: [8, 11, 17, 21]
     steps:
       - name: Checkout sources
         uses: actions/checkout@v2
 
       - name: Set up JDK
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: ${{ matrix.java }}
+          distribution: 'zulu'
 
       - name: Build
         run: mvn -B package javadoc:javadoc
@@ -29,9 +30,10 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Set up JDK
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
-          java-version: 1.8
+          java-version: 8
+          distribution: 'zulu'
 
       - name: Build with coverage
         run: mvn -B -Pcoverage clean test jacoco:report-aggregate
@@ -46,9 +48,10 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Set up JDK
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
-          java-version: 1.8
+          java-version: 8
+          distribution: 'zulu'
 
       - name: Android Lint checks
         run: cd commonmark-android-test && ./gradlew :app:lint
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4edf451c0..2d269e640 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,9 +17,10 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Set up Maven Central repository
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
-          java-version: 1.8
+          java-version: 8
+          distribution: 'zulu'
           server-id: ossrh
           server-username: MAVEN_USERNAME # env variable to use for username in release
           server-password: MAVEN_PASSWORD # env variable to use for password in release

From 5311b9bd6d09441946a736c06b2a298c2a916368 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 10 Feb 2024 11:56:38 +1100
Subject: [PATCH 232/450] Raise minimum version to Java 11

---
 .github/workflows/ci.yml | 6 +++---
 README.md                | 6 +++---
 pom.xml                  | 5 ++---
 3 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index df0fa28fb..3fa93f210 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [8, 11, 17, 21]
+        java: [11, 17, 21]
     steps:
       - name: Checkout sources
         uses: actions/checkout@v2
@@ -32,7 +32,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v2
         with:
-          java-version: 8
+          java-version: 11
           distribution: 'zulu'
 
       - name: Build with coverage
@@ -50,7 +50,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v2
         with:
-          java-version: 8
+          java-version: 11
           distribution: 'zulu'
 
       - name: Android Lint checks
diff --git a/README.md b/README.md
index 5e1342740..dc27c0987 100644
--- a/README.md
+++ b/README.md
@@ -23,9 +23,9 @@ full library with a nice API and the following features:
 * Flexible (manipulate the AST after parsing, customize HTML rendering)
 * Extensible (tables, strikethrough, autolinking and more, see below)
 
-The library is supported on Java 8 or later. It should work on Java 7
-and Android too, but that is on a best-effort basis, please report
-problems. For Android the minimum API level is 19, see the
+The library is supported on Java 11 and later. It should work on Android too,
+but that is on a best-effort basis, please report problems. For Android the
+minimum API level is 19, see the
 [commonmark-android-test](commonmark-android-test) directory.
 
 Coordinates for core library (see all on [Maven Central]):
diff --git a/pom.xml b/pom.xml
index f5c7749ef..da06b2c2b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,10 +38,9 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.10.1</version>
+                    <version>3.12.1</version>
                     <configuration>
-                        <source>7</source>
-                        <target>7</target>
+                        <release>11</release>
                     </configuration>
                 </plugin>
                 <plugin>

From 01fd7732e55b3aaa98a18c2d54b2d5dbc5dac4fa Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 10 Feb 2024 12:38:49 +1100
Subject: [PATCH 233/450] Bump release workflow version as well

---
 .github/workflows/release.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2d269e640..2ecfa6d49 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Maven Central repository
         uses: actions/setup-java@v2
         with:
-          java-version: 8
+          java-version: 11
           distribution: 'zulu'
           server-id: ossrh
           server-username: MAVEN_USERNAME # env variable to use for username in release

From 979d2f6bbbc6ccaa174946e9dc65d539a37c1f1c Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 15 Feb 2024 18:19:04 +1100
Subject: [PATCH 234/450] Documentation

---
 README.md                                     | 35 ++++++++++++++-----
 commonmark/pom.xml                            |  2 +-
 .../java/org/commonmark/package-info.java     |  1 +
 .../markdown/MarkdownNodeRendererContext.java |  3 ++
 .../markdown/MarkdownNodeRendererFactory.java |  2 +-
 .../renderer/markdown/MarkdownRenderer.java   | 17 ++++++---
 .../renderer/markdown/package-info.java       |  4 +++
 .../renderer/text/package-info.java           |  2 +-
 .../org/commonmark/test/UsageExampleTest.java | 17 +++++++--
 9 files changed, 65 insertions(+), 18 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/renderer/markdown/package-info.java

diff --git a/README.md b/README.md
index bcf552c5b..25df264ef 100644
--- a/README.md
+++ b/README.md
@@ -13,13 +13,14 @@ Java library for parsing and rendering [Markdown] text according to the
 Introduction
 ------------
 
-Provides classes for parsing input to an abstract syntax tree of nodes
-(AST), visiting and manipulating nodes, and rendering to HTML. It
-started out as a port of [commonmark.js], but has since evolved into a
-full library with a nice API and the following features:
+Provides classes for parsing input to an abstract syntax tree (AST),
+visiting and manipulating nodes, and rendering to HTML or back to Markdown.
+It started out as a port of [commonmark.js], but has since evolved into an
+extensible library with the following features:
 
 * Small (core has no dependencies, extensions in separate artifacts)
-* Fast (10-20 times faster than pegdown, see benchmarks in repo)
+* Fast (10-20 times faster than [pegdown] which used to be a popular Markdown
+  library, see benchmarks in repo)
 * Flexible (manipulate the AST after parsing, customize HTML rendering)
 * Extensible (tables, strikethrough, autolinking and more, see below)
 
@@ -63,9 +64,9 @@ import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 
 Parser parser = Parser.builder().build();
-Node document = parser.parse("This is *Sparta*");
+Node document = parser.parse("This is *Markdown*");
 HtmlRenderer renderer = HtmlRenderer.builder().build();
-renderer.render(document);  // "<p>This is <em>Sparta</em></p>\n"
+renderer.render(document);  // "<p>This is <em>Markdown</em></p>\n"
 ```
 
 This uses the parser and renderer with default options. Both builders have
@@ -81,8 +82,23 @@ to which tags are allowed, etc. That is the responsibility of the caller, and
 if you expose the resulting HTML, you probably want to run a sanitizer on it
 after this.
 
-For rendering to plain text, there's also a `TextContentRenderer` with
-a very similar API.
+#### Render to Markdown
+
+```java
+import org.commonmark.node.*;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
+
+MarkdownRenderer renderer = MarkdownRenderer.builder().build();
+Node document = new Document();
+Heading heading = new Heading();
+heading.setLevel(2);
+heading.appendChild(new Text("My title"));
+document.appendChild(heading);
+
+renderer.render(document);  // "## My title\n"
+```
+
+For rendering to plain text with minimal markup, there's also `TextContentRenderer`.
 
 #### Use a visitor to process parsed nodes
 
@@ -390,6 +406,7 @@ BSD (2-clause) licensed, see LICENSE.txt file.
 [CommonMark]: https://commonmark.org/
 [Markdown]: https://daringfireball.net/projects/markdown/
 [commonmark.js]: https://github.com/commonmark/commonmark.js
+[pegdown]: https://github.com/sirthias/pegdown
 [CommonMark Dingus]: https://spec.commonmark.org/dingus/
 [Maven Central]: https://search.maven.org/#search|ga|1|g%3A%22org.commonmark%22
 [Semantic Versioning]: https://semver.org/
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 64c456192..9988370a8 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -9,7 +9,7 @@
 
     <artifactId>commonmark</artifactId>
     <name>commonmark-java core</name>
-    <description>Core of commonmark-java (implementation of CommonMark for parsing markdown and rendering to HTML)</description>
+    <description>Core of commonmark-java (a library for parsing Markdown to an AST, modifying the AST and rendering it to HTML or Markdown)</description>
 
     <dependencies>
         <dependency>
diff --git a/commonmark/src/main/java/org/commonmark/package-info.java b/commonmark/src/main/java/org/commonmark/package-info.java
index e784703e9..b683017f6 100644
--- a/commonmark/src/main/java/org/commonmark/package-info.java
+++ b/commonmark/src/main/java/org/commonmark/package-info.java
@@ -4,6 +4,7 @@
  * <li>{@link org.commonmark.parser} for parsing input text to AST nodes</li>
  * <li>{@link org.commonmark.node} for AST node types and visitors</li>
  * <li>{@link org.commonmark.renderer.html} for HTML rendering</li>
+ * <li>{@link org.commonmark.renderer.markdown} for Markdown rendering</li>
  * </ul>
  */
 package org.commonmark;
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java
index 5805c458b..40640d1b4 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererContext.java
@@ -4,6 +4,9 @@
 
 import java.util.Set;
 
+/**
+ * Context that is passed to custom node renderers, see {@link MarkdownNodeRendererFactory#create}.
+ */
 public interface MarkdownNodeRendererContext {
 
     /**
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java
index adfe8a07b..14221ea56 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownNodeRendererFactory.java
@@ -5,7 +5,7 @@
 import java.util.Set;
 
 /**
- * Factory for instantiating new node renderers ƒor rendering.
+ * Factory for instantiating new node renderers for rendering custom nodes.
  */
 public interface MarkdownNodeRendererFactory {
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
index 926105202..25fa9a142 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
@@ -9,14 +9,17 @@
 import java.util.*;
 
 /**
- * Renders nodes to CommonMark Markdown.
+ * Renders nodes to Markdown (CommonMark syntax); use {@link #builder()} to create a renderer.
  * <p>
- * Note that it does not currently attempt to preserve the exact syntax of the original input Markdown (if any):
+ * Note that it doesn't currently preserve the exact syntax of the original input Markdown (if any):
  * <ul>
  *     <li>Headings are output as ATX headings if possible (multi-line headings need Setext headings)</li>
  *     <li>Escaping might be over-eager, e.g. a plain {@code *} might be escaped
  *     even though it doesn't need to be in that particular context</li>
+ *     <li>Leading whitespace in paragraphs is not preserved</li>
  * </ul>
+ * However, it should produce Markdown that is semantically equivalent to the input, i.e. if the Markdown was parsed
+ * again and compared against the original AST, it should be the same (minus bugs).
  */
 public class MarkdownRenderer implements Renderer {
 
@@ -66,7 +69,7 @@ public String render(Node node) {
      */
     public static class Builder {
 
-        private List<MarkdownNodeRendererFactory> nodeRendererFactories = new ArrayList<>();
+        private final List<MarkdownNodeRendererFactory> nodeRendererFactories = new ArrayList<>();
 
         /**
          * @return the configured {@link MarkdownRenderer}
@@ -106,9 +109,15 @@ public Builder extensions(Iterable<? extends Extension> extensions) {
     }
 
     /**
-     * Extension for {@link MarkdownRenderer}.
+     * Extension for {@link MarkdownRenderer} for rendering custom nodes.
      */
     public interface MarkdownRendererExtension extends Extension {
+
+        /**
+         * Extend Markdown rendering, usually by registering custom node renderers using {@link Builder#nodeRendererFactory}.
+         *
+         * @param rendererBuilder the renderer builder to extend
+         */
         void extend(Builder rendererBuilder);
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/package-info.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/package-info.java
new file mode 100644
index 000000000..f707671d5
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Markdown rendering (see {@link org.commonmark.renderer.markdown.MarkdownRenderer})
+ */
+package org.commonmark.renderer.markdown;
diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/package-info.java b/commonmark/src/main/java/org/commonmark/renderer/text/package-info.java
index 07a558091..8309f4bd6 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/package-info.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/package-info.java
@@ -1,4 +1,4 @@
 /**
- * Text content rendering (see {@link org.commonmark.renderer.text.TextContentRenderer})
+ * Plain text rendering with minimal markup (see {@link org.commonmark.renderer.text.TextContentRenderer})
  */
 package org.commonmark.renderer.text;
diff --git a/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java b/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
index 9ff646630..08235965a 100644
--- a/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
@@ -4,6 +4,7 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.*;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
 import org.junit.Ignore;
 import org.junit.Test;
 
@@ -22,9 +23,21 @@ public class UsageExampleTest {
     @Test
     public void parseAndRender() {
         Parser parser = Parser.builder().build();
-        Node document = parser.parse("This is *Sparta*");
+        Node document = parser.parse("This is *Markdown*");
         HtmlRenderer renderer = HtmlRenderer.builder().escapeHtml(true).build();
-        assertEquals("<p>This is <em>Sparta</em></p>\n", renderer.render(document));
+        assertEquals("<p>This is <em>Markdown</em></p>\n", renderer.render(document));
+    }
+
+    @Test
+    public void renderToMarkdown() {
+        MarkdownRenderer renderer = MarkdownRenderer.builder().build();
+        Node document = new Document();
+        Heading heading = new Heading();
+        heading.setLevel(2);
+        heading.appendChild(new Text("My title"));
+        document.appendChild(heading);
+
+        assertEquals("## My title\n", renderer.render(document));
     }
 
     @Test

From 94eb5ff58a9cf589d28945e79a8a702abcbf6344 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 24 Feb 2024 11:23:27 +1100
Subject: [PATCH 235/450] Add test for hard line break in heading

---
 .../org/commonmark/renderer/markdown/MarkdownRendererTest.java   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index eaabe837c..9bab92bcc 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -30,6 +30,7 @@ public void testHeadings() {
         assertRoundTrip("###### foo\n");
 
         assertRoundTrip("Foo\nbar\n===\n");
+        assertRoundTrip("Foo  \nbar\n===\n");
         assertRoundTrip("[foo\nbar](/url)\n===\n");
 
         assertRoundTrip("# foo\n\nbar\n");

From ce9e056352ee9d8c1a415a0b4354e34209c51ba6 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 24 Feb 2024 14:36:34 +1100
Subject: [PATCH 236/450] Modular JAR: Add module-info module descriptor

We've waited long enough for the ecosystem and tools such as Android to
catch up. Making it proper modular means people can run jlink on it.
Fixes #125.
---
 CHANGELOG.md                                  |   9 +
 README.md                                     |  13 +-
 commonmark-ext-autolink/pom.xml               |  18 +-
 .../src/main/java/module-info.java            |   6 +
 commonmark-ext-gfm-strikethrough/pom.xml      |  16 --
 .../src/main/java/module-info.java            |   5 +
 commonmark-ext-gfm-tables/pom.xml             |  16 --
 .../src/main/java/module-info.java            |   5 +
 .../gfm/tables/internal/TableBlockParser.java |  16 +-
 .../internal/TableMarkdownNodeRenderer.java   |   5 +-
 commonmark-ext-heading-anchor/pom.xml         |  16 --
 .../src/main/java/module-info.java            |   5 +
 commonmark-ext-image-attributes/pom.xml       |  16 --
 .../src/main/java/module-info.java            |   5 +
 commonmark-ext-ins/pom.xml                    |  16 --
 .../src/main/java/module-info.java            |   5 +
 commonmark-ext-task-list-items/pom.xml        |  16 --
 .../src/main/java/module-info.java            |   5 +
 commonmark-ext-yaml-front-matter/pom.xml      |  16 --
 .../src/main/java/module-info.java            |   5 +
 .../internal/YamlFrontMatterBlockParser.java  |   4 +-
 commonmark-test-util/pom.xml                  |  16 --
 .../src/main/java/module-info.java            |   6 +
 commonmark/pom.xml                            |  16 --
 commonmark/src/main/java/module-info.java     |  13 +
 .../commonmark/internal/BlockQuoteParser.java |   5 +-
 .../java/org/commonmark/internal/Bracket.java |   2 +-
 .../commonmark/internal/DocumentParser.java   |  36 ++-
 .../internal/FencedCodeBlockParser.java       |   7 +-
 .../commonmark/internal/HeadingParser.java    |   9 +-
 .../commonmark/internal/HtmlBlockParser.java  |  18 +-
 .../internal/IndentedCodeBlockParser.java     |   3 +-
 .../commonmark/internal/InlineParserImpl.java |  17 +-
 .../LinkReferenceDefinitionParser.java        |   4 +-
 .../internal/inline/AutolinkInlineParser.java |   2 +
 .../inline/BackslashInlineParser.java         |   2 +-
 .../inline/BackticksInlineParser.java         |   6 +-
 .../internal/inline/EntityInlineParser.java   |   4 +-
 .../internal/inline/HtmlInlineParser.java     |   4 +-
 .../internal/inline/InlineParserState.java    |   3 +
 .../internal/inline/ParsedInline.java         |   1 +
 .../internal/inline/ParsedInlineImpl.java     |   1 +
 .../commonmark/internal/util/CharMatcher.java |   6 -
 .../commonmark/internal/util/LinkScanner.java |  49 +++-
 .../org/commonmark/internal/util/Parsing.java | 236 ------------------
 .../inline => parser/beta}/Position.java      |   2 +-
 .../inline => parser/beta}/Scanner.java       |   4 +-
 .../markdown/CoreMarkdownNodeRenderer.java    |  12 +-
 .../renderer/markdown/MarkdownWriter.java     |   2 +-
 .../{internal/util => text}/AsciiMatcher.java |   5 +-
 .../java/org/commonmark/text/CharMatcher.java |  13 +
 .../java/org/commonmark/text/Characters.java  | 159 ++++++++++++
 .../inline => parser/beta}/ScannerTest.java   |   4 +-
 .../CharactersTest.java}                      |   6 +-
 pom.xml                                       |   2 +-
 55 files changed, 420 insertions(+), 473 deletions(-)
 create mode 100644 commonmark-ext-autolink/src/main/java/module-info.java
 create mode 100644 commonmark-ext-gfm-strikethrough/src/main/java/module-info.java
 create mode 100644 commonmark-ext-gfm-tables/src/main/java/module-info.java
 create mode 100644 commonmark-ext-heading-anchor/src/main/java/module-info.java
 create mode 100644 commonmark-ext-image-attributes/src/main/java/module-info.java
 create mode 100644 commonmark-ext-ins/src/main/java/module-info.java
 create mode 100644 commonmark-ext-task-list-items/src/main/java/module-info.java
 create mode 100644 commonmark-ext-yaml-front-matter/src/main/java/module-info.java
 create mode 100644 commonmark-test-util/src/main/java/module-info.java
 create mode 100644 commonmark/src/main/java/module-info.java
 delete mode 100644 commonmark/src/main/java/org/commonmark/internal/util/CharMatcher.java
 rename commonmark/src/main/java/org/commonmark/{internal/inline => parser/beta}/Position.java (89%)
 rename commonmark/src/main/java/org/commonmark/{internal/inline => parser/beta}/Scanner.java (99%)
 rename commonmark/src/main/java/org/commonmark/{internal/util => text}/AsciiMatcher.java (94%)
 create mode 100644 commonmark/src/main/java/org/commonmark/text/CharMatcher.java
 create mode 100644 commonmark/src/main/java/org/commonmark/text/Characters.java
 rename commonmark/src/test/java/org/commonmark/{internal/inline => parser/beta}/ScannerTest.java (97%)
 rename commonmark/src/test/java/org/commonmark/{internal/util/ParsingTest.java => text/CharactersTest.java} (78%)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f558a3601..157c166b1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## Unreleased
+### Changed
+- Modular JAR: Require at least Java 11 and add a module descriptor (module-info),
+  remove no longer necessary `Automatic-Module-Name` header
+- New package `org.commonmark.parser.beta` containing classes that are not part of
+  the stable API but are exported from the module (because they might be useful for
+  extension parsers).
+
 ## [0.21.0] - 2022-11-17
 ### Added
 - GitHub strikethrough: With the previous version we adjusted the
@@ -379,6 +387,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
+[0.22.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.21.0...commonmark-parent-0.22.0
 [0.21.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.20.0...commonmark-parent-0.21.0
 [0.20.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.19.0...commonmark-parent-0.20.0
 [0.19.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.2...commonmark-parent-0.19.0
diff --git a/README.md b/README.md
index da7a07dd2..5cce587d9 100644
--- a/README.md
+++ b/README.md
@@ -24,9 +24,11 @@ extensible library with the following features:
 * Flexible (manipulate the AST after parsing, customize HTML rendering)
 * Extensible (tables, strikethrough, autolinking and more, see below)
 
-The library is supported on Java 11 and later. It should work on Android too,
-but that is on a best-effort basis, please report problems. For Android the
-minimum API level is 19, see the
+The library is supported on Java 11 and later. It works on Android too, but
+that is currently not part of the builds and so only supported on a best-effort
+basis, please report any problems. For Android the minimum API level is 19, see
+the [commonmark-android-test](commonmark-android-test)
+directory.
 [commonmark-android-test](commonmark-android-test) directory.
 
 Coordinates for core library (see all on [Maven Central]):
@@ -44,7 +46,8 @@ The module names to use in Java 9 are `org.commonmark`,
 
 Note that for 0.x releases of this library, the API is not considered stable
 yet and may break between minor releases. After 1.0, [Semantic Versioning] will
-be followed.
+be followed. A package containing `beta` means it's not subject to stable API
+guarantees yet; but for normal usage it should not be necessary to use.
 
 See the [spec.txt](commonmark-test-util/src/main/resources/spec.txt)
 file if you're wondering which version of the spec is currently
@@ -399,7 +402,7 @@ See [CONTRIBUTING.md](CONTRIBUTING.md) file.
 License
 -------
 
-Copyright (c) 2015-2019 Atlassian and others.
+Copyright (c) Atlassian and others.
 
 BSD (2-clause) licensed, see LICENSE.txt file.
 
diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index c82ecdae8..2f70f7a0e 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -12,7 +12,7 @@
     <description>commonmark-java extension for turning plain URLs and email addresses into links</description>
 
     <properties>
-        <autolink.version>0.10.0</autolink.version>
+        <autolink.version>0.11.0</autolink.version>
     </properties>
 
     <dependencies>
@@ -33,20 +33,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <configuration>
-                    <archive>
-                        <manifestEntries>
-                            <Automatic-Module-Name>org.commonmark.ext.autolink</Automatic-Module-Name>
-                        </manifestEntries>
-                    </archive>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-autolink/src/main/java/module-info.java b/commonmark-ext-autolink/src/main/java/module-info.java
new file mode 100644
index 000000000..6fe98c3b1
--- /dev/null
+++ b/commonmark-ext-autolink/src/main/java/module-info.java
@@ -0,0 +1,6 @@
+module org.commonmark.ext.autolink {
+    exports org.commonmark.ext.autolink;
+
+    requires org.commonmark;
+    requires org.nibor.autolink;
+}
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 878a1e586..b452073ab 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -24,20 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <configuration>
-                    <archive>
-                        <manifestEntries>
-                            <Automatic-Module-Name>org.commonmark.ext.gfm.strikethrough</Automatic-Module-Name>
-                        </manifestEntries>
-                    </archive>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/module-info.java b/commonmark-ext-gfm-strikethrough/src/main/java/module-info.java
new file mode 100644
index 000000000..772710f00
--- /dev/null
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/module-info.java
@@ -0,0 +1,5 @@
+module org.commonmark.ext.gfm.strikethrough {
+    exports org.commonmark.ext.gfm.strikethrough;
+
+    requires org.commonmark;
+}
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index c6448889f..01fe2b23c 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -24,20 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <configuration>
-                    <archive>
-                        <manifestEntries>
-                            <Automatic-Module-Name>org.commonmark.ext.gfm.tables</Automatic-Module-Name>
-                        </manifestEntries>
-                    </archive>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-gfm-tables/src/main/java/module-info.java b/commonmark-ext-gfm-tables/src/main/java/module-info.java
new file mode 100644
index 000000000..472c84c3d
--- /dev/null
+++ b/commonmark-ext-gfm-tables/src/main/java/module-info.java
@@ -0,0 +1,5 @@
+module org.commonmark.ext.gfm.tables {
+    exports org.commonmark.ext.gfm.tables;
+
+    requires org.commonmark;
+}
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index b7cea14db..2518a3eee 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -1,7 +1,6 @@
 package org.commonmark.ext.gfm.tables.internal;
 
 import org.commonmark.ext.gfm.tables.*;
-import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.Block;
 import org.commonmark.node.Node;
 import org.commonmark.node.SourceSpan;
@@ -9,6 +8,7 @@
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.SourceLines;
 import org.commonmark.parser.block.*;
+import org.commonmark.text.Characters;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -39,11 +39,11 @@ public Block getBlock() {
     @Override
     public BlockContinue tryContinue(ParserState state) {
         CharSequence content = state.getLine().getContent();
-        int pipe = Parsing.find('|', content, state.getNextNonSpaceIndex());
+        int pipe = Characters.find('|', content, state.getNextNonSpaceIndex());
         if (pipe != -1) {
             if (pipe == state.getNextNonSpaceIndex()) {
                 // If we *only* have a pipe character (and whitespace), that is not a valid table row and ends the table.
-                if (Parsing.skipSpaceTab(content, pipe + 1, content.length()) == content.length()) {
+                if (Characters.skipSpaceTab(content, pipe + 1, content.length()) == content.length()) {
                     // We also don't want the pipe to be added via lazy continuation.
                     canHaveLazyContinuationLines = false;
                     return BlockContinue.none();
@@ -124,8 +124,8 @@ private TableCell parseCell(SourceLine cell, int column, InlineParser inlinePars
         }
 
         CharSequence content = cell.getContent();
-        int start = Parsing.skipSpaceTab(content, 0, content.length());
-        int end = Parsing.skipSpaceTabBackwards(content, content.length() - 1, start);
+        int start = Characters.skipSpaceTab(content, 0, content.length());
+        int end = Characters.skipSpaceTabBackwards(content, content.length() - 1, start);
         inlineParser.parse(SourceLines.of(cell.substring(start, end + 1)), tableCell);
 
         return tableCell;
@@ -133,14 +133,14 @@ private TableCell parseCell(SourceLine cell, int column, InlineParser inlinePars
 
     private static List<SourceLine> split(SourceLine line) {
         CharSequence row = line.getContent();
-        int nonSpace = Parsing.skipSpaceTab(row, 0, row.length());
+        int nonSpace = Characters.skipSpaceTab(row, 0, row.length());
         int cellStart = nonSpace;
         int cellEnd = row.length();
         if (row.charAt(nonSpace) == '|') {
             // This row has leading/trailing pipes - skip the leading pipe
             cellStart = nonSpace + 1;
             // Strip whitespace from the end but not the pipe or we could miss an empty ("||") cell
-            int nonSpaceEnd = Parsing.skipSpaceTabBackwards(row, row.length() - 1, cellStart);
+            int nonSpaceEnd = Characters.skipSpaceTabBackwards(row, row.length() - 1, cellStart);
             cellEnd = nonSpaceEnd + 1;
         }
         List<SourceLine> cells = new ArrayList<>();
@@ -267,7 +267,7 @@ public static class Factory extends AbstractBlockParserFactory {
         @Override
         public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
             List<SourceLine> paragraphLines = matchedBlockParser.getParagraphLines().getLines();
-            if (paragraphLines.size() == 1 && Parsing.find('|', paragraphLines.get(0).getContent(), 0) != -1) {
+            if (paragraphLines.size() == 1 && Characters.find('|', paragraphLines.get(0).getContent(), 0) != -1) {
                 SourceLine line = state.getLine();
                 SourceLine separatorLine = line.substring(state.getIndex(), line.getContent().length());
                 List<TableCell.Alignment> columns = parseSeparator(separatorLine.getContent());
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
index 487147164..2fe60f80d 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
@@ -1,12 +1,11 @@
 package org.commonmark.ext.gfm.tables.internal;
 
 import org.commonmark.ext.gfm.tables.*;
-import org.commonmark.internal.util.AsciiMatcher;
-import org.commonmark.internal.util.CharMatcher;
 import org.commonmark.node.Node;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
 import org.commonmark.renderer.markdown.MarkdownWriter;
+import org.commonmark.text.AsciiMatcher;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -18,7 +17,7 @@ public class TableMarkdownNodeRenderer extends TableNodeRenderer implements Node
     private final MarkdownWriter writer;
     private final MarkdownNodeRendererContext context;
 
-    private final CharMatcher pipe = AsciiMatcher.builder().c('|').build();
+    private final AsciiMatcher pipe = AsciiMatcher.builder().c('|').build();
 
     private final List<TableCell.Alignment> columns = new ArrayList<>();
 
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 49bc4a032..330490ea6 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -24,20 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <configuration>
-                    <archive>
-                        <manifestEntries>
-                            <Automatic-Module-Name>org.commonmark.ext.heading.anchor</Automatic-Module-Name>
-                        </manifestEntries>
-                    </archive>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-heading-anchor/src/main/java/module-info.java b/commonmark-ext-heading-anchor/src/main/java/module-info.java
new file mode 100644
index 000000000..3b94c75ec
--- /dev/null
+++ b/commonmark-ext-heading-anchor/src/main/java/module-info.java
@@ -0,0 +1,5 @@
+module org.commonmark.ext.heading.anchor {
+    exports org.commonmark.ext.heading.anchor;
+
+    requires org.commonmark;
+}
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 959b1406c..6fbec9007 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -24,20 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <configuration>
-                    <archive>
-                        <manifestEntries>
-                            <Automatic-Module-Name>org.commonmark.ext.image.attributes</Automatic-Module-Name>
-                        </manifestEntries>
-                    </archive>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-image-attributes/src/main/java/module-info.java b/commonmark-ext-image-attributes/src/main/java/module-info.java
new file mode 100644
index 000000000..171281091
--- /dev/null
+++ b/commonmark-ext-image-attributes/src/main/java/module-info.java
@@ -0,0 +1,5 @@
+module org.commonmark.ext.image.attributes {
+    exports org.commonmark.ext.image.attributes;
+
+    requires org.commonmark;
+}
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 708532472..68e5f627b 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -24,20 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <configuration>
-                    <archive>
-                        <manifestEntries>
-                            <Automatic-Module-Name>org.commonmark.ext.ins</Automatic-Module-Name>
-                        </manifestEntries>
-                    </archive>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-ins/src/main/java/module-info.java b/commonmark-ext-ins/src/main/java/module-info.java
new file mode 100644
index 000000000..aa5c5e84c
--- /dev/null
+++ b/commonmark-ext-ins/src/main/java/module-info.java
@@ -0,0 +1,5 @@
+module org.commonmark.ext.ins {
+    exports org.commonmark.ext.ins;
+
+    requires org.commonmark;
+}
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index ec3ac1a1f..3e3bebf32 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -24,20 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <configuration>
-                    <archive>
-                        <manifestEntries>
-                            <Automatic-Module-Name>org.commonmark.ext.task.list.items</Automatic-Module-Name>
-                        </manifestEntries>
-                    </archive>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-task-list-items/src/main/java/module-info.java b/commonmark-ext-task-list-items/src/main/java/module-info.java
new file mode 100644
index 000000000..30134c51b
--- /dev/null
+++ b/commonmark-ext-task-list-items/src/main/java/module-info.java
@@ -0,0 +1,5 @@
+module org.commonmark.ext.task.list.items {
+    exports org.commonmark.ext.task.list.items;
+
+    requires org.commonmark;
+}
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index e5e120caa..97bdc5c48 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -24,20 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <configuration>
-                    <archive>
-                        <manifestEntries>
-                            <Automatic-Module-Name>org.commonmark.ext.front.matter</Automatic-Module-Name>
-                        </manifestEntries>
-                    </archive>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-yaml-front-matter/src/main/java/module-info.java b/commonmark-ext-yaml-front-matter/src/main/java/module-info.java
new file mode 100644
index 000000000..20d38fe0a
--- /dev/null
+++ b/commonmark-ext-yaml-front-matter/src/main/java/module-info.java
@@ -0,0 +1,5 @@
+module org.commonmark.ext.front.matter {
+    exports org.commonmark.ext.front.matter;
+
+    requires org.commonmark;
+}
diff --git a/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java b/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
index 2010b4f71..469cf4e2f 100644
--- a/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
+++ b/commonmark-ext-yaml-front-matter/src/main/java/org/commonmark/ext/front/matter/internal/YamlFrontMatterBlockParser.java
@@ -2,8 +2,8 @@
 
 import org.commonmark.ext.front.matter.YamlFrontMatterBlock;
 import org.commonmark.ext.front.matter.YamlFrontMatterNode;
-import org.commonmark.internal.DocumentBlockParser;
 import org.commonmark.node.Block;
+import org.commonmark.node.Document;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.block.*;
@@ -119,7 +119,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             CharSequence line = state.getLine().getContent();
             BlockParser parentParser = matchedBlockParser.getMatchedBlockParser();
             // check whether this line is the first line of whole document or not
-            if (parentParser instanceof DocumentBlockParser && parentParser.getBlock().getFirstChild() == null &&
+            if (parentParser.getBlock() instanceof Document && parentParser.getBlock().getFirstChild() == null &&
                     REGEX_BEGIN.matcher(line).matches()) {
                 return BlockStart.of(new YamlFrontMatterBlockParser()).atIndex(state.getNextNonSpaceIndex());
             }
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index c61000412..ce332e6c2 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -18,20 +18,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <configuration>
-                    <archive>
-                        <manifestEntries>
-                            <Automatic-Module-Name>org.commonmark.testutil</Automatic-Module-Name>
-                        </manifestEntries>
-                    </archive>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-test-util/src/main/java/module-info.java b/commonmark-test-util/src/main/java/module-info.java
new file mode 100644
index 000000000..ef983a513
--- /dev/null
+++ b/commonmark-test-util/src/main/java/module-info.java
@@ -0,0 +1,6 @@
+module org.commonmark.testutil {
+    exports org.commonmark.testutil;
+    exports org.commonmark.testutil.example;
+
+    requires junit;
+}
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 9988370a8..524ba9c42 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -29,22 +29,6 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-jar-plugin</artifactId>
-                <configuration>
-                    <archive>
-                        <manifestEntries>
-                            <Automatic-Module-Name>org.commonmark</Automatic-Module-Name>
-                        </manifestEntries>
-                    </archive>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
     <profiles>
         <profile>
             <id>benchmark</id>
diff --git a/commonmark/src/main/java/module-info.java b/commonmark/src/main/java/module-info.java
new file mode 100644
index 000000000..009fc7d18
--- /dev/null
+++ b/commonmark/src/main/java/module-info.java
@@ -0,0 +1,13 @@
+module org.commonmark {
+    exports org.commonmark;
+    exports org.commonmark.node;
+    exports org.commonmark.parser;
+    exports org.commonmark.parser.beta;
+    exports org.commonmark.parser.block;
+    exports org.commonmark.parser.delimiter;
+    exports org.commonmark.renderer;
+    exports org.commonmark.renderer.html;
+    exports org.commonmark.renderer.markdown;
+    exports org.commonmark.renderer.text;
+    exports org.commonmark.text;
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java b/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java
index 00cdbc11e..87c923e06 100644
--- a/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java
@@ -4,6 +4,7 @@
 import org.commonmark.node.Block;
 import org.commonmark.node.BlockQuote;
 import org.commonmark.parser.block.*;
+import org.commonmark.text.Characters;
 
 public class BlockQuoteParser extends AbstractBlockParser {
 
@@ -30,7 +31,7 @@ public BlockContinue tryContinue(ParserState state) {
         if (isMarker(state, nextNonSpace)) {
             int newColumn = state.getColumn() + state.getIndent() + 1;
             // optional following space or tab
-            if (Parsing.isSpaceOrTab(state.getLine().getContent(), nextNonSpace + 1)) {
+            if (Characters.isSpaceOrTab(state.getLine().getContent(), nextNonSpace + 1)) {
                 newColumn++;
             }
             return BlockContinue.atColumn(newColumn);
@@ -50,7 +51,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             if (isMarker(state, nextNonSpace)) {
                 int newColumn = state.getColumn() + state.getIndent() + 1;
                 // optional following space or tab
-                if (Parsing.isSpaceOrTab(state.getLine().getContent(), nextNonSpace + 1)) {
+                if (Characters.isSpaceOrTab(state.getLine().getContent(), nextNonSpace + 1)) {
                     newColumn++;
                 }
                 return BlockStart.of(new BlockQuoteParser()).atColumn(newColumn);
diff --git a/commonmark/src/main/java/org/commonmark/internal/Bracket.java b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
index 46296262f..9c73a1327 100644
--- a/commonmark/src/main/java/org/commonmark/internal/Bracket.java
+++ b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
@@ -1,7 +1,7 @@
 package org.commonmark.internal;
 
-import org.commonmark.internal.inline.Position;
 import org.commonmark.node.Text;
+import org.commonmark.parser.beta.Position;
 
 /**
  * Opening bracket for links (<code>[</code>) or images (<code>![</code>).
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 086c3dbc0..2cc37e306 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -5,6 +5,7 @@
 import org.commonmark.parser.*;
 import org.commonmark.parser.block.*;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
+import org.commonmark.text.Characters;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -112,7 +113,7 @@ public static void checkEnabledBlockTypes(Set<Class<? extends Block>> enabledBlo
     public Document parse(String input) {
         int lineStart = 0;
         int lineBreak;
-        while ((lineBreak = Parsing.findLineBreak(input, lineStart)) != -1) {
+        while ((lineBreak = Characters.findLineBreak(input, lineStart)) != -1) {
             String line = input.substring(lineStart, lineBreak);
             parseLine(line);
             if (lineBreak + 1 < input.length() && input.charAt(lineBreak) == '\r' && input.charAt(lineBreak + 1) == '\n') {
@@ -230,7 +231,7 @@ private void parseLine(CharSequence ln) {
             findNextNonSpace();
 
             // this is a little performance optimization:
-            if (isBlank() || (indent < Parsing.CODE_BLOCK_INDENT && Parsing.isLetter(this.line.getContent(), nextNonSpace))) {
+            if (isBlank() || (indent < Parsing.CODE_BLOCK_INDENT && Characters.isLetter(this.line.getContent(), nextNonSpace))) {
                 setNewIndex(nextNonSpace);
                 break;
             }
@@ -315,7 +316,7 @@ private void setLine(CharSequence ln) {
         column = 0;
         columnIsInTab = false;
 
-        CharSequence lineContent = Parsing.prepareLine(ln);
+        CharSequence lineContent = prepareLine(ln);
         SourceSpan sourceSpan = null;
         if (includeSourceSpans != IncludeSourceSpans.NONE) {
             sourceSpan = SourceSpan.of(lineIndex, 0, lineContent.length());
@@ -542,6 +543,35 @@ private void closeBlockParsers(int count) {
         }
     }
 
+    /**
+     * Prepares the input line replacing {@code \0}
+     */
+    private static CharSequence prepareLine(CharSequence line) {
+        // Avoid building a new string in the majority of cases (no \0)
+        StringBuilder sb = null;
+        int length = line.length();
+        for (int i = 0; i < length; i++) {
+            char c = line.charAt(i);
+            if (c == '\0') {
+                if (sb == null) {
+                    sb = new StringBuilder(length);
+                    sb.append(line, 0, i);
+                }
+                sb.append('\uFFFD');
+            } else {
+                if (sb != null) {
+                    sb.append(c);
+                }
+            }
+        }
+
+        if (sb != null) {
+            return sb.toString();
+        } else {
+            return line;
+        }
+    }
+
     private static class MatchedBlockParserImpl implements MatchedBlockParser {
 
         private final BlockParser matchedBlockParser;
diff --git a/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
index 2d7d2c0c9..a16758dd4 100644
--- a/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
@@ -5,6 +5,7 @@
 import org.commonmark.node.FencedCodeBlock;
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.block.*;
+import org.commonmark.text.Characters;
 
 import static org.commonmark.internal.util.Escaping.unescapeString;
 
@@ -103,7 +104,7 @@ private static FencedCodeBlockParser checkOpener(CharSequence line, int index, i
         }
         if (backticks >= 3 && tildes == 0) {
             // spec: If the info string comes after a backtick fence, it may not contain any backtick characters.
-            if (Parsing.find('`', line, index + backticks) != -1) {
+            if (Characters.find('`', line, index + backticks) != -1) {
                 return null;
             }
             return new FencedCodeBlockParser('`', backticks, indent);
@@ -121,12 +122,12 @@ private static FencedCodeBlockParser checkOpener(CharSequence line, int index, i
     private boolean isClosing(CharSequence line, int index) {
         char fenceChar = block.getFenceChar();
         int fenceLength = block.getFenceLength();
-        int fences = Parsing.skip(fenceChar, line, index, line.length()) - index;
+        int fences = Characters.skip(fenceChar, line, index, line.length()) - index;
         if (fences < fenceLength) {
             return false;
         }
         // spec: The closing code fence [...] may be followed only by spaces, which are ignored.
-        int after = Parsing.skipSpaceTab(line, index + fences, line.length());
+        int after = Characters.skipSpaceTab(line, index + fences, line.length());
         return after == line.length();
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
index 81c60d0d1..d422c1241 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
@@ -1,14 +1,15 @@
 package org.commonmark.internal;
 
-import org.commonmark.internal.inline.Position;
-import org.commonmark.internal.inline.Scanner;
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.Block;
 import org.commonmark.node.Heading;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.SourceLines;
+import org.commonmark.parser.beta.Position;
+import org.commonmark.parser.beta.Scanner;
 import org.commonmark.parser.block.*;
+import org.commonmark.text.Characters;
 
 public class HeadingParser extends AbstractBlockParser {
 
@@ -148,8 +149,8 @@ private static int getSetextHeadingLevel(CharSequence line, int index) {
     }
 
     private static boolean isSetextHeadingRest(CharSequence line, int index, char marker) {
-        int afterMarker = Parsing.skip(marker, line, index, line.length());
-        int afterSpace = Parsing.skipSpaceTab(line, afterMarker, line.length());
+        int afterMarker = Characters.skip(marker, line, index, line.length());
+        int afterSpace = Characters.skipSpaceTab(line, afterMarker, line.length());
         return afterSpace >= line.length();
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
index 0e2050567..ce66c20da 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
@@ -1,6 +1,5 @@
 package org.commonmark.internal;
 
-import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.Block;
 import org.commonmark.node.HtmlBlock;
 import org.commonmark.node.Paragraph;
@@ -11,6 +10,21 @@
 
 public class HtmlBlockParser extends AbstractBlockParser {
 
+    private static final String TAGNAME = "[A-Za-z][A-Za-z0-9-]*";
+    private static final String ATTRIBUTENAME = "[a-zA-Z_:][a-zA-Z0-9:._-]*";
+    private static final String UNQUOTEDVALUE = "[^\"'=<>`\\x00-\\x20]+";
+    private static final String SINGLEQUOTEDVALUE = "'[^']*'";
+    private static final String DOUBLEQUOTEDVALUE = "\"[^\"]*\"";
+    private static final String ATTRIBUTEVALUE = "(?:" + UNQUOTEDVALUE + "|" + SINGLEQUOTEDVALUE
+            + "|" + DOUBLEQUOTEDVALUE + ")";
+    private static final String ATTRIBUTEVALUESPEC = "(?:" + "\\s*=" + "\\s*" + ATTRIBUTEVALUE
+            + ")";
+    private static final String ATTRIBUTE = "(?:" + "\\s+" + ATTRIBUTENAME + ATTRIBUTEVALUESPEC
+            + "?)";
+
+    private static final String OPENTAG = "<" + TAGNAME + ATTRIBUTE + "*" + "\\s*/?>";
+    private static final String CLOSETAG = "</" + TAGNAME + "\\s*[>]";
+
     private static final Pattern[][] BLOCK_PATTERNS = new Pattern[][]{
             {null, null}, // not used (no type 0)
             {
@@ -54,7 +68,7 @@ public class HtmlBlockParser extends AbstractBlockParser {
                     null // terminated by blank line
             },
             {
-                    Pattern.compile("^(?:" + Parsing.OPENTAG + '|' + Parsing.CLOSETAG + ")\\s*$", Pattern.CASE_INSENSITIVE),
+                    Pattern.compile("^(?:" + OPENTAG + '|' + CLOSETAG + ")\\s*$", Pattern.CASE_INSENSITIVE),
                     null // terminated by blank line
             }
     };
diff --git a/commonmark/src/main/java/org/commonmark/internal/IndentedCodeBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/IndentedCodeBlockParser.java
index af74a587c..3598f5615 100644
--- a/commonmark/src/main/java/org/commonmark/internal/IndentedCodeBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/IndentedCodeBlockParser.java
@@ -6,6 +6,7 @@
 import org.commonmark.node.Paragraph;
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.block.*;
+import org.commonmark.text.Characters;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -40,7 +41,7 @@ public void addLine(SourceLine line) {
     public void closeBlock() {
         int lastNonBlank = lines.size() - 1;
         while (lastNonBlank >= 0) {
-            if (!Parsing.isBlank(lines.get(lastNonBlank))) {
+            if (!Characters.isBlank(lines.get(lastNonBlank))) {
                 break;
             }
             lastNonBlank--;
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index c14b9e885..113e80db9 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -1,15 +1,16 @@
 package org.commonmark.internal;
 
-import org.commonmark.internal.inline.Scanner;
 import org.commonmark.internal.inline.*;
 import org.commonmark.internal.util.Escaping;
 import org.commonmark.internal.util.LinkScanner;
-import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.SourceLines;
+import org.commonmark.parser.beta.Position;
+import org.commonmark.parser.beta.Scanner;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
+import org.commonmark.text.Characters;
 
 import java.util.*;
 
@@ -482,12 +483,12 @@ private Node parseText() {
 
         if (c == '\n') {
             // We parsed until the end of the line. Trim any trailing spaces and remember them (for hard line breaks).
-            int end = Parsing.skipBackwards(' ', content, content.length() - 1, 0) + 1;
+            int end = Characters.skipBackwards(' ', content, content.length() - 1, 0) + 1;
             trailingSpaces = content.length() - end;
             content = content.substring(0, end);
         } else if (c == Scanner.END) {
             // For the last line, both tabs and spaces are trimmed for some reason (checked with commonmark.js).
-            int end = Parsing.skipSpaceTabBackwards(content, content.length() - 1, 0) + 1;
+            int end = Characters.skipSpaceTabBackwards(content, content.length() - 1, 0) + 1;
             content = content.substring(0, end);
         }
 
@@ -525,10 +526,10 @@ private DelimiterData scanDelimiters(DelimiterProcessor delimiterProcessor, char
         int after = scanner.peekCodePoint();
 
         // We could be more lazy here, in most cases we don't need to do every match case.
-        boolean beforeIsPunctuation = before == Scanner.END || Parsing.isPunctuationCodePoint(before);
-        boolean beforeIsWhitespace = before == Scanner.END || Parsing.isWhitespaceCodePoint(before);
-        boolean afterIsPunctuation = after == Scanner.END || Parsing.isPunctuationCodePoint(after);
-        boolean afterIsWhitespace = after == Scanner.END || Parsing.isWhitespaceCodePoint(after);
+        boolean beforeIsPunctuation = before == Scanner.END || Characters.isPunctuationCodePoint(before);
+        boolean beforeIsWhitespace = before == Scanner.END || Characters.isWhitespaceCodePoint(before);
+        boolean afterIsPunctuation = after == Scanner.END || Characters.isPunctuationCodePoint(after);
+        boolean afterIsWhitespace = after == Scanner.END || Characters.isWhitespaceCodePoint(after);
 
         boolean leftFlanking = !afterIsWhitespace &&
                 (!afterIsPunctuation || beforeIsWhitespace || beforeIsPunctuation);
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index 2bceb7549..d11a6f228 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -1,13 +1,13 @@
 package org.commonmark.internal;
 
-import org.commonmark.internal.inline.Position;
-import org.commonmark.internal.inline.Scanner;
 import org.commonmark.internal.util.Escaping;
 import org.commonmark.internal.util.LinkScanner;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.SourceLines;
+import org.commonmark.parser.beta.Position;
+import org.commonmark.parser.beta.Scanner;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index ecfd2d972..36c43e196 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -3,6 +3,8 @@
 import org.commonmark.node.Link;
 import org.commonmark.node.Text;
 import org.commonmark.parser.SourceLines;
+import org.commonmark.parser.beta.Position;
+import org.commonmark.parser.beta.Scanner;
 
 import java.util.regex.Pattern;
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
index f57a67a74..02c136951 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
@@ -2,8 +2,8 @@
 
 import org.commonmark.internal.util.Escaping;
 import org.commonmark.node.HardLineBreak;
-import org.commonmark.node.Node;
 import org.commonmark.node.Text;
+import org.commonmark.parser.beta.Scanner;
 
 import java.util.regex.Pattern;
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index ad079444a..bef8e1f99 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -1,9 +1,11 @@
 package org.commonmark.internal.inline;
 
-import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.Code;
 import org.commonmark.node.Text;
 import org.commonmark.parser.SourceLines;
+import org.commonmark.parser.beta.Position;
+import org.commonmark.parser.beta.Scanner;
+import org.commonmark.text.Characters;
 
 /**
  * Attempt to parse backticks, returning either a backtick code span or a literal sequence of backticks.
@@ -31,7 +33,7 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
                 if (content.length() >= 3 &&
                         content.charAt(0) == ' ' &&
                         content.charAt(content.length() - 1) == ' ' &&
-                        Parsing.hasNonSpace(content)) {
+                        Characters.hasNonSpace(content)) {
                     content = content.substring(1, content.length() - 1);
                 }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
index c29b8694f..2b7d296fb 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
@@ -1,8 +1,10 @@
 package org.commonmark.internal.inline;
 
-import org.commonmark.internal.util.AsciiMatcher;
+import org.commonmark.text.AsciiMatcher;
 import org.commonmark.internal.util.Html5Entities;
 import org.commonmark.node.Text;
+import org.commonmark.parser.beta.Position;
+import org.commonmark.parser.beta.Scanner;
 
 /**
  * Attempts to parse a HTML entity or numeric character reference.
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index 605901c22..c85ae9d71 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -1,7 +1,9 @@
 package org.commonmark.internal.inline;
 
-import org.commonmark.internal.util.AsciiMatcher;
+import org.commonmark.text.AsciiMatcher;
 import org.commonmark.node.HtmlInline;
+import org.commonmark.parser.beta.Position;
+import org.commonmark.parser.beta.Scanner;
 
 /**
  * Attempt to parse inline HTML.
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
index f6cb6bf49..ea8689be5 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
@@ -1,5 +1,8 @@
 package org.commonmark.internal.inline;
 
+import org.commonmark.parser.beta.Position;
+import org.commonmark.parser.beta.Scanner;
+
 public interface InlineParserState {
 
     /**
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
index 7e6ece88e..7223c1687 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
@@ -1,6 +1,7 @@
 package org.commonmark.internal.inline;
 
 import org.commonmark.node.Node;
+import org.commonmark.parser.beta.Position;
 
 public abstract class ParsedInline {
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
index aea325f27..55f9cc4da 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
@@ -1,6 +1,7 @@
 package org.commonmark.internal.inline;
 
 import org.commonmark.node.Node;
+import org.commonmark.parser.beta.Position;
 
 public class ParsedInlineImpl extends ParsedInline {
     private final Node node;
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/CharMatcher.java b/commonmark/src/main/java/org/commonmark/internal/util/CharMatcher.java
deleted file mode 100644
index de730e90d..000000000
--- a/commonmark/src/main/java/org/commonmark/internal/util/CharMatcher.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package org.commonmark.internal.util;
-
-public interface CharMatcher {
-
-    boolean matches(char c);
-}
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/LinkScanner.java b/commonmark/src/main/java/org/commonmark/internal/util/LinkScanner.java
index 3ca34c5f0..ffed047e5 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/LinkScanner.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/LinkScanner.java
@@ -1,6 +1,6 @@
 package org.commonmark.internal.util;
 
-import org.commonmark.internal.inline.Scanner;
+import org.commonmark.parser.beta.Scanner;
 
 public class LinkScanner {
 
@@ -14,7 +14,7 @@ public static boolean scanLinkLabelContent(Scanner scanner) {
             switch (scanner.peek()) {
                 case '\\':
                     scanner.next();
-                    if (Parsing.isEscapable(scanner.peek())) {
+                    if (isEscapable(scanner.peek())) {
                         scanner.next();
                     }
                     break;
@@ -44,7 +44,7 @@ public static boolean scanLinkDestination(Scanner scanner) {
                 switch (scanner.peek()) {
                     case '\\':
                         scanner.next();
-                        if (Parsing.isEscapable(scanner.peek())) {
+                        if (isEscapable(scanner.peek())) {
                             scanner.next();
                         }
                         break;
@@ -100,7 +100,7 @@ public static boolean scanLinkTitleContent(Scanner scanner, char endDelimiter) {
             char c = scanner.peek();
             if (c == '\\') {
                 scanner.next();
-                if (Parsing.isEscapable(scanner.peek())) {
+                if (isEscapable(scanner.peek())) {
                     scanner.next();
                 }
             } else if (c == endDelimiter) {
@@ -128,7 +128,7 @@ private static boolean scanLinkDestinationWithBalancedParens(Scanner scanner) {
                     return !empty;
                 case '\\':
                     scanner.next();
-                    if (Parsing.isEscapable(scanner.peek())) {
+                    if (isEscapable(scanner.peek())) {
                         scanner.next();
                     }
                     break;
@@ -160,4 +160,43 @@ private static boolean scanLinkDestinationWithBalancedParens(Scanner scanner) {
         }
         return true;
     }
+
+    private static boolean isEscapable(char c) {
+        switch (c) {
+            case '!':
+            case '"':
+            case '#':
+            case '$':
+            case '%':
+            case '&':
+            case '\'':
+            case '(':
+            case ')':
+            case '*':
+            case '+':
+            case ',':
+            case '-':
+            case '.':
+            case '/':
+            case ':':
+            case ';':
+            case '<':
+            case '=':
+            case '>':
+            case '?':
+            case '@':
+            case '[':
+            case '\\':
+            case ']':
+            case '^':
+            case '_':
+            case '`':
+            case '{':
+            case '|':
+            case '}':
+            case '~':
+                return true;
+        }
+        return false;
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
index 8b02e99b1..972fdef62 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Parsing.java
@@ -1,246 +1,10 @@
 package org.commonmark.internal.util;
 
 public class Parsing {
-
-    private static final String TAGNAME = "[A-Za-z][A-Za-z0-9-]*";
-    private static final String ATTRIBUTENAME = "[a-zA-Z_:][a-zA-Z0-9:._-]*";
-    private static final String UNQUOTEDVALUE = "[^\"'=<>`\\x00-\\x20]+";
-    private static final String SINGLEQUOTEDVALUE = "'[^']*'";
-    private static final String DOUBLEQUOTEDVALUE = "\"[^\"]*\"";
-    private static final String ATTRIBUTEVALUE = "(?:" + UNQUOTEDVALUE + "|" + SINGLEQUOTEDVALUE
-            + "|" + DOUBLEQUOTEDVALUE + ")";
-    private static final String ATTRIBUTEVALUESPEC = "(?:" + "\\s*=" + "\\s*" + ATTRIBUTEVALUE
-            + ")";
-    private static final String ATTRIBUTE = "(?:" + "\\s+" + ATTRIBUTENAME + ATTRIBUTEVALUESPEC
-            + "?)";
-
-    public static final String OPENTAG = "<" + TAGNAME + ATTRIBUTE + "*" + "\\s*/?>";
-    public static final String CLOSETAG = "</" + TAGNAME + "\\s*[>]";
-
     public static int CODE_BLOCK_INDENT = 4;
 
     public static int columnsToNextTabStop(int column) {
         // Tab stop is 4
         return 4 - (column % 4);
     }
-
-    public static int find(char c, CharSequence s, int startIndex) {
-        int length = s.length();
-        for (int i = startIndex; i < length; i++) {
-            if (s.charAt(i) == c) {
-                return i;
-            }
-        }
-        return -1;
-    }
-
-    public static int findLineBreak(CharSequence s, int startIndex) {
-        int length = s.length();
-        for (int i = startIndex; i < length; i++) {
-            switch (s.charAt(i)) {
-                case '\n':
-                case '\r':
-                    return i;
-            }
-        }
-        return -1;
-    }
-
-    public static boolean isBlank(CharSequence s) {
-        return findNonSpace(s, 0) == -1;
-    }
-
-    public static boolean hasNonSpace(CharSequence s) {
-        int length = s.length();
-        int skipped = skip(' ', s, 0, length);
-        return skipped != length;
-    }
-
-    public static boolean isLetter(CharSequence s, int index) {
-        int codePoint = Character.codePointAt(s, index);
-        return Character.isLetter(codePoint);
-    }
-
-    public static boolean isSpaceOrTab(CharSequence s, int index) {
-        if (index < s.length()) {
-            switch (s.charAt(index)) {
-                case ' ':
-                case '\t':
-                    return true;
-            }
-        }
-        return false;
-    }
-
-    public static boolean isEscapable(char c) {
-        switch (c) {
-            case '!':
-            case '"':
-            case '#':
-            case '$':
-            case '%':
-            case '&':
-            case '\'':
-            case '(':
-            case ')':
-            case '*':
-            case '+':
-            case ',':
-            case '-':
-            case '.':
-            case '/':
-            case ':':
-            case ';':
-            case '<':
-            case '=':
-            case '>':
-            case '?':
-            case '@':
-            case '[':
-            case '\\':
-            case ']':
-            case '^':
-            case '_':
-            case '`':
-            case '{':
-            case '|':
-            case '}':
-            case '~':
-                return true;
-        }
-        return false;
-    }
-
-    // See https://spec.commonmark.org/0.29/#punctuation-character
-    public static boolean isPunctuationCodePoint(int codePoint) {
-        switch (Character.getType(codePoint)) {
-            case Character.CONNECTOR_PUNCTUATION:
-            case Character.DASH_PUNCTUATION:
-            case Character.END_PUNCTUATION:
-            case Character.FINAL_QUOTE_PUNCTUATION:
-            case Character.INITIAL_QUOTE_PUNCTUATION:
-            case Character.OTHER_PUNCTUATION:
-            case Character.START_PUNCTUATION:
-                return true;
-            default:
-                switch (codePoint) {
-                    case '$':
-                    case '+':
-                    case '<':
-                    case '=':
-                    case '>':
-                    case '^':
-                    case '`':
-                    case '|':
-                    case '~':
-                        return true;
-                    default:
-                        return false;
-                }
-        }
-    }
-
-    public static boolean isWhitespaceCodePoint(int codePoint) {
-        switch (codePoint) {
-            case ' ':
-            case '\t':
-            case '\r':
-            case '\n':
-            case '\f':
-                return true;
-            default:
-                return Character.getType(codePoint) == Character.SPACE_SEPARATOR;
-        }
-    }
-
-    /**
-     * Prepares the input line replacing {@code \0}
-     */
-    public static CharSequence prepareLine(CharSequence line) {
-        // Avoid building a new string in the majority of cases (no \0)
-        StringBuilder sb = null;
-        int length = line.length();
-        for (int i = 0; i < length; i++) {
-            char c = line.charAt(i);
-            if (c == '\0') {
-                if (sb == null) {
-                    sb = new StringBuilder(length);
-                    sb.append(line, 0, i);
-                }
-                sb.append('\uFFFD');
-            } else {
-                if (sb != null) {
-                    sb.append(c);
-                }
-            }
-        }
-
-        if (sb != null) {
-            return sb.toString();
-        } else {
-            return line;
-        }
-    }
-
-    public static int skip(char skip, CharSequence s, int startIndex, int endIndex) {
-        for (int i = startIndex; i < endIndex; i++) {
-            if (s.charAt(i) != skip) {
-                return i;
-            }
-        }
-        return endIndex;
-    }
-
-    public static int skipBackwards(char skip, CharSequence s, int startIndex, int lastIndex) {
-        for (int i = startIndex; i >= lastIndex; i--) {
-            if (s.charAt(i) != skip) {
-                return i;
-            }
-        }
-        return lastIndex - 1;
-    }
-
-    public static int skipSpaceTab(CharSequence s, int startIndex, int endIndex) {
-        for (int i = startIndex; i < endIndex; i++) {
-            switch (s.charAt(i)) {
-                case ' ':
-                case '\t':
-                    break;
-                default:
-                    return i;
-            }
-        }
-        return endIndex;
-    }
-
-    public static int skipSpaceTabBackwards(CharSequence s, int startIndex, int lastIndex) {
-        for (int i = startIndex; i >= lastIndex; i--) {
-            switch (s.charAt(i)) {
-                case ' ':
-                case '\t':
-                    break;
-                default:
-                    return i;
-            }
-        }
-        return lastIndex - 1;
-    }
-
-    private static int findNonSpace(CharSequence s, int startIndex) {
-        int length = s.length();
-        for (int i = startIndex; i < length; i++) {
-            switch (s.charAt(i)) {
-                case ' ':
-                case '\t':
-                case '\n':
-                case '\u000B':
-                case '\f':
-                case '\r':
-                    break;
-                default:
-                    return i;
-            }
-        }
-        return -1;
-    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Position.java b/commonmark/src/main/java/org/commonmark/parser/beta/Position.java
similarity index 89%
rename from commonmark/src/main/java/org/commonmark/internal/inline/Position.java
rename to commonmark/src/main/java/org/commonmark/parser/beta/Position.java
index 5f06a063a..3dbb4870f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Position.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/Position.java
@@ -1,4 +1,4 @@
-package org.commonmark.internal.inline;
+package org.commonmark.parser.beta;
 
 /**
  * Position within a {@link Scanner}. This is intentionally kept opaque so as not to expose the internal structure of
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java b/commonmark/src/main/java/org/commonmark/parser/beta/Scanner.java
similarity index 99%
rename from commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
rename to commonmark/src/main/java/org/commonmark/parser/beta/Scanner.java
index 9de96a587..482f8eb2a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/Scanner.java
@@ -1,9 +1,9 @@
-package org.commonmark.internal.inline;
+package org.commonmark.parser.beta;
 
-import org.commonmark.internal.util.CharMatcher;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.SourceLines;
+import org.commonmark.text.CharMatcher;
 
 import java.util.List;
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 30d6d1a5c..03fc7d759 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -1,10 +1,10 @@
 package org.commonmark.renderer.markdown;
 
-import org.commonmark.internal.util.AsciiMatcher;
-import org.commonmark.internal.util.CharMatcher;
-import org.commonmark.internal.util.Parsing;
+import org.commonmark.text.AsciiMatcher;
 import org.commonmark.node.*;
+import org.commonmark.text.CharMatcher;
 import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.text.Characters;
 
 import java.util.Arrays;
 import java.util.HashSet;
@@ -268,7 +268,7 @@ public void visit(Code code) {
         // If it starts and ends with a space (but is not only spaces), add an additional space (otherwise they would
         // get removed on parsing).
         boolean addSpace = literal.startsWith("`") || literal.endsWith("`") ||
-                (literal.startsWith(" ") && literal.endsWith(" ") && Parsing.hasNonSpace(literal));
+                (literal.startsWith(" ") && literal.endsWith(" ") && Characters.hasNonSpace(literal));
         if (addSpace) {
             writer.raw(' ');
         }
@@ -416,9 +416,9 @@ private static int findMaxRunLength(char c, CharSequence s) {
         int backticks = 0;
         int start = 0;
         while (start < s.length()) {
-            int index = Parsing.find(c, s, start);
+            int index = Characters.find(c, s, start);
             if (index != -1) {
-                start = Parsing.skip(c, s, index + 1, s.length());
+                start = Characters.skip(c, s, index + 1, s.length());
                 backticks = Math.max(backticks, start - index);
             } else {
                 break;
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
index 1231a4a73..c9f427021 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownWriter.java
@@ -1,6 +1,6 @@
 package org.commonmark.renderer.markdown;
 
-import org.commonmark.internal.util.CharMatcher;
+import org.commonmark.text.CharMatcher;
 
 import java.io.IOException;
 import java.util.LinkedList;
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java b/commonmark/src/main/java/org/commonmark/text/AsciiMatcher.java
similarity index 94%
rename from commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
rename to commonmark/src/main/java/org/commonmark/text/AsciiMatcher.java
index dd7e8d5eb..0d9cea458 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/AsciiMatcher.java
+++ b/commonmark/src/main/java/org/commonmark/text/AsciiMatcher.java
@@ -1,8 +1,11 @@
-package org.commonmark.internal.util;
+package org.commonmark.text;
 
 import java.util.BitSet;
 import java.util.Set;
 
+/**
+ * Char matcher that can match ASCII characters efficiently.
+ */
 public class AsciiMatcher implements CharMatcher {
     private final BitSet set;
 
diff --git a/commonmark/src/main/java/org/commonmark/text/CharMatcher.java b/commonmark/src/main/java/org/commonmark/text/CharMatcher.java
new file mode 100644
index 000000000..2833e65c3
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/text/CharMatcher.java
@@ -0,0 +1,13 @@
+package org.commonmark.text;
+
+/**
+ * Matcher interface for {@code char} values.
+ * <p>
+ * Note that because this matches on {@code char} values only (as opposed to {@code int} code points),
+ * this only operates on the level of code units and doesn't support supplementary characters
+ * (see {@link Character#isSupplementaryCodePoint(int)}).
+ */
+public interface CharMatcher {
+
+    boolean matches(char c);
+}
diff --git a/commonmark/src/main/java/org/commonmark/text/Characters.java b/commonmark/src/main/java/org/commonmark/text/Characters.java
new file mode 100644
index 000000000..6c2333c86
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/text/Characters.java
@@ -0,0 +1,159 @@
+package org.commonmark.text;
+
+/**
+ * Functions for finding characters in strings or checking characters.
+ */
+public class Characters {
+
+    public static int find(char c, CharSequence s, int startIndex) {
+        int length = s.length();
+        for (int i = startIndex; i < length; i++) {
+            if (s.charAt(i) == c) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
+    public static int findLineBreak(CharSequence s, int startIndex) {
+        int length = s.length();
+        for (int i = startIndex; i < length; i++) {
+            switch (s.charAt(i)) {
+                case '\n':
+                case '\r':
+                    return i;
+            }
+        }
+        return -1;
+    }
+
+    public static boolean isBlank(CharSequence s) {
+        return findNonSpace(s, 0) == -1;
+    }
+
+    public static boolean hasNonSpace(CharSequence s) {
+        int length = s.length();
+        int skipped = skip(' ', s, 0, length);
+        return skipped != length;
+    }
+
+    public static boolean isLetter(CharSequence s, int index) {
+        int codePoint = Character.codePointAt(s, index);
+        return Character.isLetter(codePoint);
+    }
+
+    public static boolean isSpaceOrTab(CharSequence s, int index) {
+        if (index < s.length()) {
+            switch (s.charAt(index)) {
+                case ' ':
+                case '\t':
+                    return true;
+            }
+        }
+        return false;
+    }
+
+    // See https://spec.commonmark.org/0.29/#punctuation-character
+    public static boolean isPunctuationCodePoint(int codePoint) {
+        switch (Character.getType(codePoint)) {
+            case Character.CONNECTOR_PUNCTUATION:
+            case Character.DASH_PUNCTUATION:
+            case Character.END_PUNCTUATION:
+            case Character.FINAL_QUOTE_PUNCTUATION:
+            case Character.INITIAL_QUOTE_PUNCTUATION:
+            case Character.OTHER_PUNCTUATION:
+            case Character.START_PUNCTUATION:
+                return true;
+            default:
+                switch (codePoint) {
+                    case '$':
+                    case '+':
+                    case '<':
+                    case '=':
+                    case '>':
+                    case '^':
+                    case '`':
+                    case '|':
+                    case '~':
+                        return true;
+                    default:
+                        return false;
+                }
+        }
+    }
+
+    public static boolean isWhitespaceCodePoint(int codePoint) {
+        switch (codePoint) {
+            case ' ':
+            case '\t':
+            case '\r':
+            case '\n':
+            case '\f':
+                return true;
+            default:
+                return Character.getType(codePoint) == Character.SPACE_SEPARATOR;
+        }
+    }
+
+    public static int skip(char skip, CharSequence s, int startIndex, int endIndex) {
+        for (int i = startIndex; i < endIndex; i++) {
+            if (s.charAt(i) != skip) {
+                return i;
+            }
+        }
+        return endIndex;
+    }
+
+    public static int skipBackwards(char skip, CharSequence s, int startIndex, int lastIndex) {
+        for (int i = startIndex; i >= lastIndex; i--) {
+            if (s.charAt(i) != skip) {
+                return i;
+            }
+        }
+        return lastIndex - 1;
+    }
+
+    public static int skipSpaceTab(CharSequence s, int startIndex, int endIndex) {
+        for (int i = startIndex; i < endIndex; i++) {
+            switch (s.charAt(i)) {
+                case ' ':
+                case '\t':
+                    break;
+                default:
+                    return i;
+            }
+        }
+        return endIndex;
+    }
+
+    public static int skipSpaceTabBackwards(CharSequence s, int startIndex, int lastIndex) {
+        for (int i = startIndex; i >= lastIndex; i--) {
+            switch (s.charAt(i)) {
+                case ' ':
+                case '\t':
+                    break;
+                default:
+                    return i;
+            }
+        }
+        return lastIndex - 1;
+    }
+
+    private static int findNonSpace(CharSequence s, int startIndex) {
+        int length = s.length();
+        for (int i = startIndex; i < length; i++) {
+            switch (s.charAt(i)) {
+                case ' ':
+                case '\t':
+                case '\n':
+                case '\u000B':
+                case '\f':
+                case '\r':
+                    break;
+                default:
+                    return i;
+            }
+        }
+        return -1;
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java b/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
similarity index 97%
rename from commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
rename to commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
index 030a765af..668f852c4 100644
--- a/commonmark/src/test/java/org/commonmark/internal/inline/ScannerTest.java
+++ b/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
@@ -1,8 +1,10 @@
-package org.commonmark.internal.inline;
+package org.commonmark.parser.beta;
 
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.SourceLines;
+import org.commonmark.parser.beta.Position;
+import org.commonmark.parser.beta.Scanner;
 import org.junit.Test;
 
 import java.util.Arrays;
diff --git a/commonmark/src/test/java/org/commonmark/internal/util/ParsingTest.java b/commonmark/src/test/java/org/commonmark/text/CharactersTest.java
similarity index 78%
rename from commonmark/src/test/java/org/commonmark/internal/util/ParsingTest.java
rename to commonmark/src/test/java/org/commonmark/text/CharactersTest.java
index f51c8647b..23bf07355 100644
--- a/commonmark/src/test/java/org/commonmark/internal/util/ParsingTest.java
+++ b/commonmark/src/test/java/org/commonmark/text/CharactersTest.java
@@ -1,10 +1,10 @@
-package org.commonmark.internal.util;
+package org.commonmark.text;
 
 import org.junit.Test;
 
 import static org.junit.Assert.assertTrue;
 
-public class ParsingTest {
+public class CharactersTest {
 
     @Test
     public void isPunctuation() {
@@ -17,7 +17,7 @@ public void isPunctuation() {
         };
 
         for (char c : chars) {
-            assertTrue("Expected to be punctuation: " + c, Parsing.isPunctuationCodePoint(c));
+            assertTrue("Expected to be punctuation: " + c, Characters.isPunctuationCodePoint(c));
         }
     }
 }
diff --git a/pom.xml b/pom.xml
index da06b2c2b..4eac3b7b2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,7 +56,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>
-                    <version>3.4.1</version>
+                    <version>3.5.0</version>
                     <configuration>
                         <excludePackageNames>*.internal,*.internal.*</excludePackageNames>
                         <!-- The offline links make links from extensions to core work. -->

From a3d31d99fff86be3e6561e23ee66fd0310ed2adb Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 11:37:13 +1100
Subject: [PATCH 237/450] Clean up Characters, Strings test util

---
 .../java/org/commonmark/testutil/Strings.java | 12 -----
 .../markdown/CoreMarkdownNodeRenderer.java    | 27 ++++------
 .../java/org/commonmark/text/Characters.java  | 34 +++++-------
 .../org/commonmark/test/PathologicalTest.java | 52 +++++++++----------
 .../org/commonmark/test/SpecialInputTest.java |  5 +-
 .../org/commonmark/text/CharactersTest.java   | 11 ++++
 6 files changed, 62 insertions(+), 79 deletions(-)
 delete mode 100644 commonmark-test-util/src/main/java/org/commonmark/testutil/Strings.java

diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/Strings.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/Strings.java
deleted file mode 100644
index ed709ed81..000000000
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/Strings.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package org.commonmark.testutil;
-
-public class Strings {
-
-    public static String repeat(String s, int count) {
-        StringBuilder sb = new StringBuilder(s.length() * count);
-        for (int i = 0; i < count; i++) {
-            sb.append(s);
-        }
-        return sb.toString();
-    }
-}
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 03fc7d759..31a7ceb50 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -149,11 +149,12 @@ public void visit(IndentedCodeBlock indentedCodeBlock) {
     @Override
     public void visit(FencedCodeBlock fencedCodeBlock) {
         String literal = fencedCodeBlock.getLiteral();
-        String fence = repeat(String.valueOf(fencedCodeBlock.getFenceChar()), fencedCodeBlock.getFenceLength());
+        int count = fencedCodeBlock.getFenceLength();
+        String fence = String.valueOf(fencedCodeBlock.getFenceChar()).repeat(count);
         int indent = fencedCodeBlock.getFenceIndent();
 
         if (indent > 0) {
-            String indentPrefix = repeat(" ", indent);
+            String indentPrefix = " ".repeat(indent);
             writer.writePrefix(indentPrefix);
             writer.pushPrefix(indentPrefix);
         }
@@ -231,18 +232,20 @@ public void visit(ListItem listItem) {
         boolean pushedPrefix = false;
         if (listHolder instanceof BulletListHolder) {
             BulletListHolder bulletListHolder = (BulletListHolder) listHolder;
-            String marker = repeat(" ", listItem.getMarkerIndent()) + bulletListHolder.bulletMarker;
+            int count = listItem.getMarkerIndent();
+            String marker = " ".repeat(count) + bulletListHolder.bulletMarker;
             writer.writePrefix(marker);
-            writer.writePrefix(repeat(" ", contentIndent - marker.length()));
-            writer.pushPrefix(repeat(" ", contentIndent));
+            writer.writePrefix(" ".repeat(contentIndent - marker.length()));
+            writer.pushPrefix(" ".repeat(contentIndent));
             pushedPrefix = true;
         } else if (listHolder instanceof OrderedListHolder) {
             OrderedListHolder orderedListHolder = (OrderedListHolder) listHolder;
-            String marker = repeat(" ", listItem.getMarkerIndent()) + orderedListHolder.number + orderedListHolder.delimiter;
+            int count = listItem.getMarkerIndent();
+            String marker = " ".repeat(count) + orderedListHolder.number + orderedListHolder.delimiter;
             orderedListHolder.number++;
             writer.writePrefix(marker);
-            writer.writePrefix(repeat(" ", contentIndent - marker.length()));
-            writer.pushPrefix(repeat(" ", contentIndent));
+            writer.writePrefix(" ".repeat(contentIndent - marker.length()));
+            writer.pushPrefix(" ".repeat(contentIndent));
             pushedPrefix = true;
         }
         if (listItem.getFirstChild() == null) {
@@ -436,14 +439,6 @@ private static boolean contains(String s, CharMatcher charMatcher) {
         return false;
     }
 
-    private static String repeat(String s, int count) {
-        StringBuilder sb = new StringBuilder(s.length() * count);
-        for (int i = 0; i < count; i++) {
-            sb.append(s);
-        }
-        return sb.toString();
-    }
-
     private static List<String> getLines(String literal) {
         // Without -1, split would discard all trailing empty strings, which is not what we want, e.g. it would
         // return the same result for "abc", "abc\n" and "abc\n\n".
diff --git a/commonmark/src/main/java/org/commonmark/text/Characters.java b/commonmark/src/main/java/org/commonmark/text/Characters.java
index 6c2333c86..4d9532329 100644
--- a/commonmark/src/main/java/org/commonmark/text/Characters.java
+++ b/commonmark/src/main/java/org/commonmark/text/Characters.java
@@ -27,8 +27,11 @@ public static int findLineBreak(CharSequence s, int startIndex) {
         return -1;
     }
 
+    /**
+     * @see <a href="https://spec.commonmark.org/0.31.2/#blank-line">blank line</a>
+     */
     public static boolean isBlank(CharSequence s) {
-        return findNonSpace(s, 0) == -1;
+        return skipSpaceTab(s, 0, s.length()) == s.length();
     }
 
     public static boolean hasNonSpace(CharSequence s) {
@@ -53,7 +56,9 @@ public static boolean isSpaceOrTab(CharSequence s, int index) {
         return false;
     }
 
-    // See https://spec.commonmark.org/0.29/#punctuation-character
+    /**
+     * @see <a href="https://spec.commonmark.org/0.29/#punctuation-character">punctuation character</a>
+     */
     public static boolean isPunctuationCodePoint(int codePoint) {
         switch (Character.getType(codePoint)) {
             case Character.CONNECTOR_PUNCTUATION:
@@ -82,13 +87,18 @@ public static boolean isPunctuationCodePoint(int codePoint) {
         }
     }
 
+    /**
+     * Check whether the provided code point is a Unicode whitespace character as defined in the spec.
+     *
+     * @see <a href="https://spec.commonmark.org/0.31.2/#unicode-whitespace-character">Unicode whitespace character</a>
+     */
     public static boolean isWhitespaceCodePoint(int codePoint) {
         switch (codePoint) {
             case ' ':
             case '\t':
-            case '\r':
             case '\n':
             case '\f':
+            case '\r':
                 return true;
             default:
                 return Character.getType(codePoint) == Character.SPACE_SEPARATOR;
@@ -138,22 +148,4 @@ public static int skipSpaceTabBackwards(CharSequence s, int startIndex, int last
         }
         return lastIndex - 1;
     }
-
-    private static int findNonSpace(CharSequence s, int startIndex) {
-        int length = s.length();
-        for (int i = startIndex; i < length; i++) {
-            switch (s.charAt(i)) {
-                case ' ':
-                case '\t':
-                case '\n':
-                case '\u000B':
-                case '\f':
-                case '\r':
-                    break;
-                default:
-                    return i;
-            }
-        }
-        return -1;
-    }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/PathologicalTest.java b/commonmark/src/test/java/org/commonmark/test/PathologicalTest.java
index a853b1b11..ae1310ed2 100644
--- a/commonmark/src/test/java/org/commonmark/test/PathologicalTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/PathologicalTest.java
@@ -10,8 +10,6 @@
 
 import java.util.concurrent.TimeUnit;
 
-import static org.commonmark.testutil.Strings.repeat;
-
 /**
  * Pathological input cases (from commonmark.js).
  */
@@ -36,58 +34,58 @@ public void nestedStrongEmphasis() {
         // this is limited by the stack size because visitor is recursive
         x = 500;
         assertRendering(
-                repeat("*a **a ", x) + "b" + repeat(" a** a*", x),
-                "<p>" + repeat("<em>a <strong>a ", x) + "b" +
-                        repeat(" a</strong> a</em>", x) + "</p>\n");
+                "*a **a ".repeat(x) + "b" + " a** a*".repeat(x),
+                "<p>" + "<em>a <strong>a ".repeat(x) + "b" +
+                        " a</strong> a</em>".repeat(x) + "</p>\n");
     }
 
     @Test
     public void emphasisClosersWithNoOpeners() {
         assertRendering(
-                repeat("a_ ", x),
-                "<p>" + repeat("a_ ", x - 1) + "a_</p>\n");
+                "a_ ".repeat(x),
+                "<p>" + "a_ ".repeat(x - 1) + "a_</p>\n");
     }
 
     @Test
     public void emphasisOpenersWithNoClosers() {
         assertRendering(
-                repeat("_a ", x),
-                "<p>" + repeat("_a ", x - 1) + "_a</p>\n");
+                "_a ".repeat(x),
+                "<p>" + "_a ".repeat(x - 1) + "_a</p>\n");
     }
 
     @Test
     public void linkClosersWithNoOpeners() {
         assertRendering(
-                repeat("a] ", x),
-                "<p>" + repeat("a] ", x - 1) + "a]</p>\n");
+                "a] ".repeat(x),
+                "<p>" + "a] ".repeat(x - 1) + "a]</p>\n");
     }
 
     @Test
     public void linkOpenersWithNoClosers() {
         assertRendering(
-                repeat("[a ", x),
-                "<p>" + repeat("[a ", x - 1) + "[a</p>\n");
+                "[a ".repeat(x),
+                "<p>" + "[a ".repeat(x - 1) + "[a</p>\n");
     }
 
     @Test
     public void linkOpenersAndEmphasisClosers() {
         assertRendering(
-                repeat("[ a_ ", x),
-                "<p>" + repeat("[ a_ ", x - 1) + "[ a_</p>\n");
+                "[ a_ ".repeat(x),
+                "<p>" + "[ a_ ".repeat(x - 1) + "[ a_</p>\n");
     }
 
     @Test
     public void mismatchedOpenersAndClosers() {
         assertRendering(
-                repeat("*a_ ", x),
-                "<p>" + repeat("*a_ ", x - 1) + "*a_</p>\n");
+                "*a_ ".repeat(x),
+                "<p>" + "*a_ ".repeat(x - 1) + "*a_</p>\n");
     }
 
     @Test
     public void nestedBrackets() {
         assertRendering(
-                repeat("[", x) + "a" + repeat("]", x),
-                "<p>" + repeat("[", x) + "a" + repeat("]", x) + "</p>\n");
+                "[".repeat(x) + "a" + "]".repeat(x),
+                "<p>" + "[".repeat(x) + "a" + "]".repeat(x) + "</p>\n");
     }
 
     @Test
@@ -95,29 +93,29 @@ public void nestedBlockQuotes() {
         // this is limited by the stack size because visitor is recursive
         x = 1000;
         assertRendering(
-                repeat("> ", x) + "a\n",
-                repeat("<blockquote>\n", x) + "<p>a</p>\n" +
-                        repeat("</blockquote>\n", x));
+                "> ".repeat(x) + "a\n",
+                "<blockquote>\n".repeat(x) + "<p>a</p>\n" +
+                        "</blockquote>\n".repeat(x));
     }
 
     @Test
     public void hugeHorizontalRule() {
         assertRendering(
-                repeat("*", 10000) + "\n",
+                "*".repeat(10000) + "\n",
                 "<hr />\n");
     }
 
     @Test
     public void backslashInLink() {
         // See https://github.com/commonmark/commonmark.js/issues/157
-        assertRendering("[" + repeat("\\", x) + "\n",
-                "<p>" + "[" + repeat("\\", x / 2) + "</p>\n");
+        assertRendering("[" + "\\".repeat(x) + "\n",
+                "<p>" + "[" + "\\".repeat(x / 2) + "</p>\n");
     }
 
     @Test
     public void unclosedInlineLinks() {
         // See https://github.com/commonmark/commonmark.js/issues/129
-        assertRendering(repeat("[](", x) + "\n",
-                "<p>" + repeat("[](", x) + "</p>\n");
+        assertRendering("[](".repeat(x) + "\n",
+                "<p>" + "[](".repeat(x) + "</p>\n");
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
index 8eba1dfe3..770a1aa21 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
@@ -1,6 +1,5 @@
 package org.commonmark.test;
 
-import org.commonmark.testutil.Strings;
 import org.junit.Test;
 
 public class SpecialInputTest extends CoreRenderingTestCase {
@@ -95,14 +94,14 @@ public void linkLabelWithBracket() {
 
     @Test
     public void linkLabelLength() {
-        String label1 = Strings.repeat("a", 999);
+        String label1 = "a".repeat(999);
         assertRendering("[foo][" + label1 + "]\n\n[" + label1 + "]: /", "<p><a href=\"/\">foo</a></p>\n");
         assertRendering("[foo][x" + label1 + "]\n\n[x" + label1 + "]: /",
                 "<p>[foo][x" + label1 + "]</p>\n<p>[x" + label1 + "]: /</p>\n");
         assertRendering("[foo][\n" + label1 + "]\n\n[\n" + label1 + "]: /",
                 "<p>[foo][\n" + label1 + "]</p>\n<p>[\n" + label1 + "]: /</p>\n");
 
-        String label2 = Strings.repeat("a\n", 499);
+        String label2 = "a\n".repeat(499);
         assertRendering("[foo][" + label2 + "]\n\n[" + label2 + "]: /", "<p><a href=\"/\">foo</a></p>\n");
         assertRendering("[foo][12" + label2 + "]\n\n[12" + label2 + "]: /",
                 "<p>[foo][12" + label2 + "]</p>\n<p>[12" + label2 + "]: /</p>\n");
diff --git a/commonmark/src/test/java/org/commonmark/text/CharactersTest.java b/commonmark/src/test/java/org/commonmark/text/CharactersTest.java
index 23bf07355..a362cf53c 100644
--- a/commonmark/src/test/java/org/commonmark/text/CharactersTest.java
+++ b/commonmark/src/test/java/org/commonmark/text/CharactersTest.java
@@ -2,6 +2,7 @@
 
 import org.junit.Test;
 
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
 
 public class CharactersTest {
@@ -20,4 +21,14 @@ public void isPunctuation() {
             assertTrue("Expected to be punctuation: " + c, Characters.isPunctuationCodePoint(c));
         }
     }
+
+    @Test
+    public void isBlank() {
+        assertTrue(Characters.isBlank(""));
+        assertTrue(Characters.isBlank(" "));
+        assertTrue(Characters.isBlank("\t"));
+        assertTrue(Characters.isBlank(" \t"));
+        assertFalse(Characters.isBlank("a"));
+        assertFalse(Characters.isBlank("\f"));
+    }
 }

From fde5cc68ec8944eb428bbc09152e1d46e2221683 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 11:45:52 +1100
Subject: [PATCH 238/450] Add package-info for new packages

---
 .../main/java/org/commonmark/parser/beta/package-info.java    | 4 ++++
 .../src/main/java/org/commonmark/text/package-info.java       | 4 ++++
 2 files changed, 8 insertions(+)
 create mode 100644 commonmark/src/main/java/org/commonmark/parser/beta/package-info.java
 create mode 100644 commonmark/src/main/java/org/commonmark/text/package-info.java

diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/package-info.java b/commonmark/src/main/java/org/commonmark/parser/beta/package-info.java
new file mode 100644
index 000000000..029d80507
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Experimental APIs to use for extensions. APIs are subject to change if necessary.
+ */
+package org.commonmark.parser.beta;
diff --git a/commonmark/src/main/java/org/commonmark/text/package-info.java b/commonmark/src/main/java/org/commonmark/text/package-info.java
new file mode 100644
index 000000000..ab9eec6f1
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/text/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * Text processing utilities for parsing and rendering, exported for use by extensions
+ */
+package org.commonmark.text;

From 554c717f1e82829e10280fec8be8a7822aab290c Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 12:03:11 +1100
Subject: [PATCH 239/450] Bump Android gradle, tools versions

---
 commonmark-android-test/README.md             |   2 +-
 commonmark-android-test/app/build.gradle      |   9 +-
 commonmark-android-test/build.gradle          |   6 +-
 .../gradle/wrapper/gradle-wrapper.jar         | Bin 58695 -> 43462 bytes
 .../gradle/wrapper/gradle-wrapper.properties  |   4 +-
 commonmark-android-test/gradlew               | 282 +++++++++++-------
 commonmark-android-test/gradlew.bat           |  58 ++--
 7 files changed, 211 insertions(+), 150 deletions(-)

diff --git a/commonmark-android-test/README.md b/commonmark-android-test/README.md
index ed0201725..0fb792ae3 100644
--- a/commonmark-android-test/README.md
+++ b/commonmark-android-test/README.md
@@ -6,7 +6,7 @@ Current `minSdk` is 19
 
 Requirements:
 
-* Java 7 or above
+* Java 11 or above
 * Android SDK 30
 
 Configuration
diff --git a/commonmark-android-test/app/build.gradle b/commonmark-android-test/app/build.gradle
index 1b39c87c8..5b7cc4cd6 100644
--- a/commonmark-android-test/app/build.gradle
+++ b/commonmark-android-test/app/build.gradle
@@ -1,8 +1,9 @@
 apply plugin: 'com.android.application'
 
 android {
+    namespace "org.commonmark.android.test"
     compileSdkVersion 30
-    buildToolsVersion "30.0.2"
+    buildToolsVersion "34.0.0"
 
     defaultConfig {
         applicationId "org.commonmark.android.test"
@@ -13,8 +14,8 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_7
-        targetCompatibility JavaVersion.VERSION_1_7
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
 
     packagingOptions {
@@ -41,5 +42,5 @@ android {
 }
 
 dependencies {
-    implementation('org.nibor.autolink:autolink:0.10.0')
+    implementation('org.nibor.autolink:autolink:0.11.0')
 }
diff --git a/commonmark-android-test/build.gradle b/commonmark-android-test/build.gradle
index 4de776573..3ac119f44 100644
--- a/commonmark-android-test/build.gradle
+++ b/commonmark-android-test/build.gradle
@@ -1,16 +1,16 @@
 buildscript {
     repositories {
-        jcenter()
+        mavenCentral()
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.2'
+        classpath 'com.android.tools.build:gradle:8.2.2'
     }
 }
 
 allprojects {
     repositories {
-        jcenter()
+        mavenCentral()
         google()
     }
 }
diff --git a/commonmark-android-test/gradle/wrapper/gradle-wrapper.jar b/commonmark-android-test/gradle/wrapper/gradle-wrapper.jar
index f3d88b1c2faf2fc91d853cd5d4242b5547257070..d64cd4917707c1f8861d8cb53dd15194d4248596 100644
GIT binary patch
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diff --git a/commonmark-android-test/gradle/wrapper/gradle-wrapper.properties b/commonmark-android-test/gradle/wrapper/gradle-wrapper.properties
index 1b16c34a7..a80b22ce5 100644
--- a/commonmark-android-test/gradle/wrapper/gradle-wrapper.properties
+++ b/commonmark-android-test/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/commonmark-android-test/gradlew b/commonmark-android-test/gradlew
index 2fe81a7d9..1aa94a426 100755
--- a/commonmark-android-test/gradlew
+++ b/commonmark-android-test/gradlew
@@ -1,7 +1,7 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
 #
-# Copyright 2015 the original author or authors.
+# Copyright © 2015-2021 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -17,78 +17,111 @@
 #
 
 ##############################################################################
-##
-##  Gradle start up script for UN*X
-##
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
 ##############################################################################
 
 # Attempt to set APP_HOME
+
 # Resolve links: $0 may be a link
-PRG="$0"
-# Need this for relative symlinks.
-while [ -h "$PRG" ] ; do
-    ls=`ls -ld "$PRG"`
-    link=`expr "$ls" : '.*-> \(.*\)$'`
-    if expr "$link" : '/.*' > /dev/null; then
-        PRG="$link"
-    else
-        PRG=`dirname "$PRG"`"/$link"
-    fi
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
 done
-SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >/dev/null
-APP_HOME="`pwd -P`"
-cd "$SAVED" >/dev/null
 
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+# This is normally unused
+# shellcheck disable=SC2034
+APP_BASE_NAME=${0##*/}
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
+MAX_FD=maximum
 
 warn () {
     echo "$*"
-}
+} >&2
 
 die () {
     echo
     echo "$*"
     echo
     exit 1
-}
+} >&2
 
 # OS specific support (must be 'true' or 'false').
 cygwin=false
 msys=false
 darwin=false
 nonstop=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-  NONSTOP* )
-    nonstop=true
-    ;;
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
 esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
         # IBM's JDK on AIX uses strange locations for the executables
-        JAVACMD="$JAVA_HOME/jre/sh/java"
+        JAVACMD=$JAVA_HOME/jre/sh/java
     else
-        JAVACMD="$JAVA_HOME/bin/java"
+        JAVACMD=$JAVA_HOME/bin/java
     fi
     if [ ! -x "$JAVACMD" ] ; then
         die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
@@ -97,87 +130,120 @@ Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
     fi
 else
-    JAVACMD="java"
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    JAVACMD=java
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
-    MAX_FD_LIMIT=`ulimit -H -n`
-    if [ $? -eq 0 ] ; then
-        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
-            MAX_FD="$MAX_FD_LIMIT"
-        fi
-        ulimit -n $MAX_FD
-        if [ $? -ne 0 ] ; then
-            warn "Could not set maximum file descriptor limit: $MAX_FD"
-        fi
-    else
-        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
-    fi
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
+    esac
 fi
 
-# For Darwin, add options to specify how the application appears in the dock
-if $darwin; then
-    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
-fi
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
 
 # For Cygwin or MSYS, switch paths to Windows format before running java
-if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
-    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
-    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
-    JAVACMD=`cygpath --unix "$JAVACMD"`
-
-    # We build the pattern for arguments to be converted via cygpath
-    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
-    SEP=""
-    for dir in $ROOTDIRSRAW ; do
-        ROOTDIRS="$ROOTDIRS$SEP$dir"
-        SEP="|"
-    done
-    OURCYGPATTERN="(^($ROOTDIRS))"
-    # Add a user-defined pattern to the cygpath arguments
-    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
-        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
-    fi
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
     # Now convert the arguments - kludge to limit ourselves to /bin/sh
-    i=0
-    for arg in "$@" ; do
-        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
-        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
-
-        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
-            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
-        else
-            eval `echo args$i`="\"$arg\""
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
         fi
-        i=`expr $i + 1`
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
     done
-    case $i in
-        0) set -- ;;
-        1) set -- "$args0" ;;
-        2) set -- "$args0" "$args1" ;;
-        3) set -- "$args0" "$args1" "$args2" ;;
-        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
-    esac
 fi
 
-# Escape application args
-save () {
-    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
-    echo " "
-}
-APP_ARGS=`save "$@"`
 
-# Collect all arguments for the java command, following the shell quoting and substitution rules
-eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -classpath "$CLASSPATH" \
+        org.gradle.wrapper.GradleWrapperMain \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
 
 exec "$JAVACMD" "$@"
diff --git a/commonmark-android-test/gradlew.bat b/commonmark-android-test/gradlew.bat
index 24467a141..7101f8e46 100644
--- a/commonmark-android-test/gradlew.bat
+++ b/commonmark-android-test/gradlew.bat
@@ -14,7 +14,7 @@
 @rem limitations under the License.
 @rem
 
-@if "%DEBUG%" == "" @echo off
+@if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,10 +25,14 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
 
@@ -37,13 +41,13 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
+if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -51,48 +55,36 @@ goto fail
 set JAVA_HOME=%JAVA_HOME:"=%
 set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
-if exist "%JAVA_EXE%" goto init
+if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
-:init
-@rem Get command-line arguments, handling Windows variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-
 :execute
 @rem Setup the command line
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal

From 2d8d81762a97315afa2ff5d3614d0e2856b88c74 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 12:27:07 +1100
Subject: [PATCH 240/450] Downgrade Android tools to version that should work
 with Java 11

---
 commonmark-android-test/build.gradle | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark-android-test/build.gradle b/commonmark-android-test/build.gradle
index 3ac119f44..f359e8154 100644
--- a/commonmark-android-test/build.gradle
+++ b/commonmark-android-test/build.gradle
@@ -4,7 +4,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.2.2'
+        classpath 'com.android.tools.build:gradle:7.4.2'
     }
 }
 

From 9f2a3eda1b96d98cf6b71de85fe8adeb4fc8890b Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 16:15:25 +1100
Subject: [PATCH 241/450] Try to exclude module-info

---
 commonmark-android-test/app/build.gradle      | 25 ++++++++++++-------
 .../app/src/main/AndroidManifest.xml          |  2 +-
 2 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/commonmark-android-test/app/build.gradle b/commonmark-android-test/app/build.gradle
index 5b7cc4cd6..2ced89830 100644
--- a/commonmark-android-test/app/build.gradle
+++ b/commonmark-android-test/app/build.gradle
@@ -28,15 +28,22 @@ android {
     // we add other modules sources in order for lint to process them (lint operates on sources)
     sourceSets {
         main {
-            java.srcDirs += [
-                    '../../commonmark',
-                    '../../commonmark-ext-autolink',
-                    '../../commonmark-ext-gfm-strikethrough',
-                    '../../commonmark-ext-gfm-tables',
-                    '../../commonmark-ext-heading-anchor',
-                    '../../commonmark-ext-ins',
-                    '../../commonmark-ext-yaml-front-matter'
-            ].collect { "$it/src/main/java" }
+            java {
+                [
+                        '../../commonmark',
+                        '../../commonmark-ext-autolink',
+                        '../../commonmark-ext-gfm-strikethrough',
+                        '../../commonmark-ext-gfm-tables',
+                        '../../commonmark-ext-heading-anchor',
+                        '../../commonmark-ext-ins',
+                        '../../commonmark-ext-yaml-front-matter'
+                ].forEach { d ->
+                    // don't include module-info files, otherwise we get
+                    // "too many module declarations found"
+                    PatternSet patternSet = new PatternSet().exclude('**/module-info.java')
+                    srcDirs += fileTree("$d/src/main/java").matching(patternSet)
+                }
+            }
         }
     }
 }
diff --git a/commonmark-android-test/app/src/main/AndroidManifest.xml b/commonmark-android-test/app/src/main/AndroidManifest.xml
index 0343d4fdc..486520569 100644
--- a/commonmark-android-test/app/src/main/AndroidManifest.xml
+++ b/commonmark-android-test/app/src/main/AndroidManifest.xml
@@ -1,3 +1,3 @@
-<manifest package="org.commonmark.android.test">
+<manifest>
     <application />
 </manifest>

From 33a589951141e6514f9ebc012f9600fc67def1cc Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 18:56:26 +1100
Subject: [PATCH 242/450] Use non-deprecated gradle properties

---
 commonmark-android-test/app/build.gradle | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/commonmark-android-test/app/build.gradle b/commonmark-android-test/app/build.gradle
index 2ced89830..fd8ae34cb 100644
--- a/commonmark-android-test/app/build.gradle
+++ b/commonmark-android-test/app/build.gradle
@@ -2,13 +2,12 @@ apply plugin: 'com.android.application'
 
 android {
     namespace "org.commonmark.android.test"
-    compileSdkVersion 30
-    buildToolsVersion "34.0.0"
+    compileSdk 30
 
     defaultConfig {
         applicationId "org.commonmark.android.test"
-        minSdkVersion 19
-        targetSdkVersion 30
+        minSdk 19
+        targetSdk 30
         versionCode 1
         versionName "1.0"
     }

From ea1650335c85a84be338dbef5770c6b9e01ddee7 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 19:00:28 +1100
Subject: [PATCH 243/450] Don't use String.repeat for now

---
 .../markdown/CoreMarkdownNodeRenderer.java    | 28 +++++++++++--------
 1 file changed, 17 insertions(+), 11 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 31a7ceb50..e0cc4eb25 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -149,12 +149,11 @@ public void visit(IndentedCodeBlock indentedCodeBlock) {
     @Override
     public void visit(FencedCodeBlock fencedCodeBlock) {
         String literal = fencedCodeBlock.getLiteral();
-        int count = fencedCodeBlock.getFenceLength();
-        String fence = String.valueOf(fencedCodeBlock.getFenceChar()).repeat(count);
+        String fence = repeat(String.valueOf(fencedCodeBlock.getFenceChar()), fencedCodeBlock.getFenceLength());
         int indent = fencedCodeBlock.getFenceIndent();
 
         if (indent > 0) {
-            String indentPrefix = " ".repeat(indent);
+            String indentPrefix = repeat(" ", indent);
             writer.writePrefix(indentPrefix);
             writer.pushPrefix(indentPrefix);
         }
@@ -232,20 +231,18 @@ public void visit(ListItem listItem) {
         boolean pushedPrefix = false;
         if (listHolder instanceof BulletListHolder) {
             BulletListHolder bulletListHolder = (BulletListHolder) listHolder;
-            int count = listItem.getMarkerIndent();
-            String marker = " ".repeat(count) + bulletListHolder.bulletMarker;
+            String marker = repeat(" ", listItem.getMarkerIndent()) + bulletListHolder.bulletMarker;
             writer.writePrefix(marker);
-            writer.writePrefix(" ".repeat(contentIndent - marker.length()));
-            writer.pushPrefix(" ".repeat(contentIndent));
+            writer.writePrefix(repeat(" ", contentIndent - marker.length()));
+            writer.pushPrefix(repeat(" ", contentIndent));
             pushedPrefix = true;
         } else if (listHolder instanceof OrderedListHolder) {
             OrderedListHolder orderedListHolder = (OrderedListHolder) listHolder;
-            int count = listItem.getMarkerIndent();
-            String marker = " ".repeat(count) + orderedListHolder.number + orderedListHolder.delimiter;
+            String marker = repeat(" ", listItem.getMarkerIndent()) + orderedListHolder.number + orderedListHolder.delimiter;
             orderedListHolder.number++;
             writer.writePrefix(marker);
-            writer.writePrefix(" ".repeat(contentIndent - marker.length()));
-            writer.pushPrefix(" ".repeat(contentIndent));
+            writer.writePrefix(repeat(" ", contentIndent - marker.length()));
+            writer.pushPrefix(repeat(" ", contentIndent));
             pushedPrefix = true;
         }
         if (listItem.getFirstChild() == null) {
@@ -439,6 +436,15 @@ private static boolean contains(String s, CharMatcher charMatcher) {
         return false;
     }
 
+    // Keep for Android compat (String.repeat only available on Android 12 and later)
+    private static String repeat(String s, int count) {
+        StringBuilder sb = new StringBuilder(s.length() * count);
+        for (int i = 0; i < count; i++) {
+            sb.append(s);
+        }
+        return sb.toString();
+    }
+
     private static List<String> getLines(String literal) {
         // Without -1, split would discard all trailing empty strings, which is not what we want, e.g. it would
         // return the same result for "abc", "abc\n" and "abc\n\n".

From af61f1468bbd600085181d9f4d8b7b717156e28e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 19:17:15 +1100
Subject: [PATCH 244/450] Update README

---
 CHANGELOG.md | 4 ++--
 README.md    | 9 ++++-----
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 157c166b1..52502922b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## Unreleased
+## [Unreleased]
 ### Changed
 - Modular JAR: Require at least Java 11 and add a module descriptor (module-info),
   remove no longer necessary `Automatic-Module-Name` header
@@ -387,7 +387,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
-[0.22.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.21.0...commonmark-parent-0.22.0
+[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.21.0...HEAD
 [0.21.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.20.0...commonmark-parent-0.21.0
 [0.20.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.19.0...commonmark-parent-0.20.0
 [0.19.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.2...commonmark-parent-0.19.0
diff --git a/README.md b/README.md
index 5cce587d9..e4b07bfdc 100644
--- a/README.md
+++ b/README.md
@@ -24,12 +24,11 @@ extensible library with the following features:
 * Flexible (manipulate the AST after parsing, customize HTML rendering)
 * Extensible (tables, strikethrough, autolinking and more, see below)
 
-The library is supported on Java 11 and later. It works on Android too, but
-that is currently not part of the builds and so only supported on a best-effort
-basis, please report any problems. For Android the minimum API level is 19, see
-the [commonmark-android-test](commonmark-android-test)
+The library is supported on Java 11 and later. It works on Android too,
+but that is on a best-effort basis, please report problems. For Android the
+minimum API level is 19, see the
+[commonmark-android-test](commonmark-android-test)
 directory.
-[commonmark-android-test](commonmark-android-test) directory.
 
 Coordinates for core library (see all on [Maven Central]):
 

From 5993630910be672354dee4ba206aa9889dbea911 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 19:22:49 +1100
Subject: [PATCH 245/450] Update spec to 0.31.2

---
 .../src/main/resources/gfm-spec.txt           |  66 +++----
 .../src/main/resources/spec.txt               | 170 +++++++++---------
 2 files changed, 111 insertions(+), 125 deletions(-)

diff --git a/commonmark-test-util/src/main/resources/gfm-spec.txt b/commonmark-test-util/src/main/resources/gfm-spec.txt
index 170276156..d42f3369e 100644
--- a/commonmark-test-util/src/main/resources/gfm-spec.txt
+++ b/commonmark-test-util/src/main/resources/gfm-spec.txt
@@ -130,7 +130,7 @@ questions it does not answer:
     not require that.  This is hardly a "corner case," and divergences
     between implementations on this issue often lead to surprises for
     users in real documents. (See [this comment by John
-    Gruber](http://article.gmane.org/gmane.text.markdown.general/1997).)
+    Gruber](https://web.archive.org/web/20170611172104/http://article.gmane.org/gmane.text.markdown.general/1997).)
 
 2.  Is a blank line needed before a block quote or heading?
     Most implementations do not require the blank line.  However,
@@ -138,7 +138,7 @@ questions it does not answer:
     also to ambiguities in parsing (note that some implementations
     put the heading inside the blockquote, while others do not).
     (John Gruber has also spoken [in favor of requiring the blank
-    lines](http://article.gmane.org/gmane.text.markdown.general/2146).)
+    lines](https://web.archive.org/web/20170611172104/http://article.gmane.org/gmane.text.markdown.general/2146).)
 
 3.  Is a blank line needed before an indented code block?
     (`Markdown.pl` requires it, but this is not mentioned in the
@@ -171,7 +171,7 @@ questions it does not answer:
     ```
 
     (There are some relevant comments by John Gruber
-    [here](http://article.gmane.org/gmane.text.markdown.general/2554).)
+    [here](https://web.archive.org/web/20170611172104/http://article.gmane.org/gmane.text.markdown.general/2554).)
 
 5.  Can list markers be indented?  Can ordered list markers be right-aligned?
 
@@ -1001,10 +1001,7 @@ interpretable as a [code fence], [ATX heading][ATX headings],
 
 A [setext heading underline](@) is a sequence of
 `=` characters or a sequence of `-` characters, with no more than 3
-spaces indentation and any number of trailing spaces.  If a line
-containing a single `-` can be interpreted as an
-empty [list items], it should be interpreted this way
-and not as a [setext heading underline].
+spaces of indentation and any number of trailing spaces or tabs.
 
 The heading is a level 1 heading if `=` characters are used in
 the [setext heading underline], and a level 2 heading if `-`
@@ -1638,7 +1635,7 @@ has been found, the code block contains all of the lines after the
 opening code fence until the end of the containing block (or
 document).  (An alternative spec would require backtracking in the
 event that a closing code fence is not found.  But this makes parsing
-much less efficient, and there seems to be no real down side to the
+much less efficient, and there seems to be no real downside to the
 behavior described here.)
 
 A fenced code block may interrupt a paragraph, and does not require
@@ -2068,7 +2065,7 @@ followed by an uppercase ASCII letter.\
 `<![CDATA[`.\
 **End condition:** line contains the string `]]>`.
 
-6.  **Start condition:** line begins the string `<` or `</`
+6.  **Start condition:** line begins with the string `<` or `</`
 followed by one of the strings (case-insensitive) `address`,
 `article`, `aside`, `base`, `basefont`, `blockquote`, `body`,
 `caption`, `center`, `col`, `colgroup`, `dd`, `details`, `dialog`,
@@ -5279,7 +5276,7 @@ well.  ([reStructuredText](http://docutils.sourceforge.net/rst.html)
 takes a different approach, requiring blank lines before lists
 even inside other list items.)
 
-In order to solve of unwanted lists in paragraphs with
+In order to solve the problem of unwanted lists in paragraphs with
 hard-wrapped numerals, we allow only lists starting with `1` to
 interrupt paragraphs.  Thus,
 
@@ -6929,7 +6926,7 @@ foo__bar__
 ```````````````````````````````` example
 __foo, __bar__, baz__
 .
-<p><strong>foo, <strong>bar</strong>, baz</strong></p>
+<p><strong>foo, bar, baz</strong></p>
 ````````````````````````````````
 
 
@@ -7200,7 +7197,7 @@ foo***bar***baz
 ```````````````````````````````` example
 foo******bar*********baz
 .
-<p>foo<strong><strong><strong>bar</strong></strong></strong>***baz</p>
+<p>foo<strong>bar</strong>***baz</p>
 ````````````````````````````````
 
 
@@ -7271,21 +7268,21 @@ __foo _bar_ baz__
 ```````````````````````````````` example
 __foo __bar__ baz__
 .
-<p><strong>foo <strong>bar</strong> baz</strong></p>
+<p><strong>foo bar baz</strong></p>
 ````````````````````````````````
 
 
 ```````````````````````````````` example
 ____foo__ bar__
 .
-<p><strong><strong>foo</strong> bar</strong></p>
+<p><strong>foo bar</strong></p>
 ````````````````````````````````
 
 
 ```````````````````````````````` example
 **foo **bar****
 .
-<p><strong>foo <strong>bar</strong></strong></p>
+<p><strong>foo bar</strong></p>
 ````````````````````````````````
 
 
@@ -7570,14 +7567,14 @@ switching delimiters:
 ```````````````````````````````` example
 ****foo****
 .
-<p><strong><strong>foo</strong></strong></p>
+<p><strong>foo</strong></p>
 ````````````````````````````````
 
 
 ```````````````````````````````` example
 ____foo____
 .
-<p><strong><strong>foo</strong></strong></p>
+<p><strong>foo</strong></p>
 ````````````````````````````````
 
 
@@ -7588,7 +7585,7 @@ delimiters:
 ```````````````````````````````` example
 ******foo******
 .
-<p><strong><strong><strong>foo</strong></strong></strong></p>
+<p><strong>foo</strong></p>
 ````````````````````````````````
 
 
@@ -7604,7 +7601,7 @@ Rule 14:
 ```````````````````````````````` example
 _____foo_____
 .
-<p><em><strong><strong>foo</strong></strong></em></p>
+<p><em><strong>foo</strong></em></p>
 ````````````````````````````````
 
 
@@ -9410,10 +9407,9 @@ character, and a `>` character.
 A [closing tag](@) consists of the string `</`, a
 [tag name], optional [whitespace], and the character `>`.
 
-An [HTML comment](@) consists of `<!--` + *text* + `-->`,
-where *text* does not start with `>` or `->`, does not end with `-`,
-and does not contain `--`.  (See the
-[HTML5 spec](http://www.w3.org/TR/html5/syntax.html#comments).)
+An [HTML comment](@) consists of `<!-->`, `<!--->`, or  `<!--`, a string of
+characters not including the string `-->`, and `-->` (see the
+[HTML spec](https://html.spec.whatwg.org/multipage/parsing.html#markup-declaration-open-state)).
 
 A [processing instruction](@)
 consists of the string `<?`, a string
@@ -9554,30 +9550,20 @@ Illegal attributes in closing tag:
 Comments:
 
 ```````````````````````````````` example
-foo <!-- this is a
-comment - with hyphen -->
+foo <!-- this is a --
+comment - with hyphens -->
 .
-<p>foo <!-- this is a
-comment - with hyphen --></p>
+<p>foo <!-- this is a --
+comment - with hyphens --></p>
 ````````````````````````````````
 
-
-```````````````````````````````` example
-foo <!-- not a comment -- two hyphens -->
-.
-<p>foo &lt;!-- not a comment -- two hyphens --&gt;</p>
-````````````````````````````````
-
-
-Not comments:
-
 ```````````````````````````````` example
 foo <!--> foo -->
 
-foo <!-- foo--->
+foo <!---> foo -->
 .
-<p>foo &lt;!--&gt; foo --&gt;</p>
-<p>foo &lt;!-- foo---&gt;</p>
+<p>foo <!--> foo --&gt;</p>
+<p>foo <!---> foo --&gt;</p>
 ````````````````````````````````
 
 
diff --git a/commonmark-test-util/src/main/resources/spec.txt b/commonmark-test-util/src/main/resources/spec.txt
index e6f313757..f1fab281e 100644
--- a/commonmark-test-util/src/main/resources/spec.txt
+++ b/commonmark-test-util/src/main/resources/spec.txt
@@ -1,9 +1,9 @@
 ---
 title: CommonMark Spec
 author: John MacFarlane
-version: 0.30
-date: '2021-06-19'
-license: '[CC-BY-SA 4.0](http://creativecommons.org/licenses/by-sa/4.0/)'
+version: '0.31.2'
+date: '2024-01-28'
+license: '[CC-BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)'
 ...
 
 # Introduction
@@ -14,7 +14,7 @@ Markdown is a plain text format for writing structured documents,
 based on conventions for indicating formatting in email
 and usenet posts.  It was developed by John Gruber (with
 help from Aaron Swartz) and released in 2004 in the form of a
-[syntax description](http://daringfireball.net/projects/markdown/syntax)
+[syntax description](https://daringfireball.net/projects/markdown/syntax)
 and a Perl script (`Markdown.pl`) for converting Markdown to
 HTML.  In the next decade, dozens of implementations were
 developed in many languages.  Some extended the original
@@ -34,10 +34,10 @@ As Gruber writes:
 > Markdown-formatted document should be publishable as-is, as
 > plain text, without looking like it's been marked up with tags
 > or formatting instructions.
-> (<http://daringfireball.net/projects/markdown/>)
+> (<https://daringfireball.net/projects/markdown/>)
 
 The point can be illustrated by comparing a sample of
-[AsciiDoc](http://www.methods.co.nz/asciidoc/) with
+[AsciiDoc](https://asciidoc.org/) with
 an equivalent sample of Markdown.  Here is a sample of
 AsciiDoc from the AsciiDoc manual:
 
@@ -103,7 +103,7 @@ source, not just in the processed document.
 ## Why is a spec needed?
 
 John Gruber's [canonical description of Markdown's
-syntax](http://daringfireball.net/projects/markdown/syntax)
+syntax](https://daringfireball.net/projects/markdown/syntax)
 does not specify the syntax unambiguously.  Here are some examples of
 questions it does not answer:
 
@@ -114,7 +114,7 @@ questions it does not answer:
     not require that.  This is hardly a "corner case," and divergences
     between implementations on this issue often lead to surprises for
     users in real documents. (See [this comment by John
-    Gruber](http://article.gmane.org/gmane.text.markdown.general/1997).)
+    Gruber](https://web.archive.org/web/20170611172104/http://article.gmane.org/gmane.text.markdown.general/1997).)
 
 2.  Is a blank line needed before a block quote or heading?
     Most implementations do not require the blank line.  However,
@@ -122,7 +122,7 @@ questions it does not answer:
     also to ambiguities in parsing (note that some implementations
     put the heading inside the blockquote, while others do not).
     (John Gruber has also spoken [in favor of requiring the blank
-    lines](http://article.gmane.org/gmane.text.markdown.general/2146).)
+    lines](https://web.archive.org/web/20170611172104/http://article.gmane.org/gmane.text.markdown.general/2146).)
 
 3.  Is a blank line needed before an indented code block?
     (`Markdown.pl` requires it, but this is not mentioned in the
@@ -155,7 +155,7 @@ questions it does not answer:
     ```
 
     (There are some relevant comments by John Gruber
-    [here](http://article.gmane.org/gmane.text.markdown.general/2554).)
+    [here](https://web.archive.org/web/20170611172104/http://article.gmane.org/gmane.text.markdown.general/2554).)
 
 5.  Can list markers be indented?  Can ordered list markers be right-aligned?
 
@@ -316,9 +316,9 @@ A line containing no characters, or a line containing only spaces
 
 The following definitions of character classes will be used in this spec:
 
-A [Unicode whitespace character](@) is
-any code point in the Unicode `Zs` general category, or a tab (`U+0009`),
-line feed (`U+000A`), form feed (`U+000C`), or carriage return (`U+000D`).
+A [Unicode whitespace character](@) is a character in the Unicode `Zs` general
+category, or a tab (`U+0009`), line feed (`U+000A`), form feed (`U+000C`), or
+carriage return (`U+000D`).
 
 [Unicode whitespace](@) is a sequence of one or more
 [Unicode whitespace characters].
@@ -337,9 +337,8 @@ is `!`, `"`, `#`, `$`, `%`, `&`, `'`, `(`, `)`,
 `[`, `\`, `]`, `^`, `_`, `` ` `` (U+005B–0060), 
 `{`, `|`, `}`, or `~` (U+007B–007E).
 
-A [Unicode punctuation character](@) is an [ASCII
-punctuation character] or anything in
-the general Unicode categories  `Pc`, `Pd`, `Pe`, `Pf`, `Pi`, `Po`, or `Ps`.
+A [Unicode punctuation character](@) is a character in the Unicode `P`
+(puncuation) or `S` (symbol) general categories.
 
 ## Tabs
 
@@ -579,9 +578,9 @@ raw HTML:
 
 
 ```````````````````````````````` example
-<http://example.com?find=\*>
+<https://example.com?find=\*>
 .
-<p><a href="http://example.com?find=%5C*">http://example.com?find=\*</a></p>
+<p><a href="https://example.com?find=%5C*">https://example.com?find=\*</a></p>
 ````````````````````````````````
 
 
@@ -1330,10 +1329,7 @@ interpretable as a [code fence], [ATX heading][ATX headings],
 
 A [setext heading underline](@) is a sequence of
 `=` characters or a sequence of `-` characters, with no more than 3
-spaces of indentation and any number of trailing spaces or tabs.  If a line
-containing a single `-` can be interpreted as an
-empty [list items], it should be interpreted this way
-and not as a [setext heading underline].
+spaces of indentation and any number of trailing spaces or tabs.
 
 The heading is a level 1 heading if `=` characters are used in
 the [setext heading underline], and a level 2 heading if `-`
@@ -1967,7 +1963,7 @@ has been found, the code block contains all of the lines after the
 opening code fence until the end of the containing block (or
 document).  (An alternative spec would require backtracking in the
 event that a closing code fence is not found.  But this makes parsing
-much less efficient, and there seems to be no real down side to the
+much less efficient, and there seems to be no real downside to the
 behavior described here.)
 
 A fenced code block may interrupt a paragraph, and does not require
@@ -2397,7 +2393,7 @@ followed by an ASCII letter.\
 `<![CDATA[`.\
 **End condition:** line contains the string `]]>`.
 
-6.  **Start condition:** line begins the string `<` or `</`
+6.  **Start condition:** line begins with the string `<` or `</`
 followed by one of the strings (case-insensitive) `address`,
 `article`, `aside`, `base`, `basefont`, `blockquote`, `body`,
 `caption`, `center`, `col`, `colgroup`, `dd`, `details`, `dialog`,
@@ -2406,7 +2402,7 @@ followed by one of the strings (case-insensitive) `address`,
 `h1`, `h2`, `h3`, `h4`, `h5`, `h6`, `head`, `header`, `hr`,
 `html`, `iframe`, `legend`, `li`, `link`, `main`, `menu`, `menuitem`,
 `nav`, `noframes`, `ol`, `optgroup`, `option`, `p`, `param`,
-`section`, `source`, `summary`, `table`, `tbody`, `td`,
+`search`, `section`, `summary`, `table`, `tbody`, `td`,
 `tfoot`, `th`, `thead`, `title`, `tr`, `track`, `ul`, followed
 by a space, a tab, the end of the line, the string `>`, or
 the string `/>`.\
@@ -4118,7 +4114,7 @@ The following rules define [list items]:
     blocks *Bs* starting with a character other than a space or tab, and *M* is
     a list marker of width *W* followed by 1 ≤ *N* ≤ 4 spaces of indentation,
     then the result of prepending *M* and the following spaces to the first line
-    of Ls*, and indenting subsequent lines of *Ls* by *W + N* spaces, is a
+    of *Ls*, and indenting subsequent lines of *Ls* by *W + N* spaces, is a
     list item with *Bs* as its contents.  The type of the list item
     (bullet or ordered) is determined by the type of its list marker.
     If the list item is ordered, then it is also assigned a start
@@ -4533,7 +4529,7 @@ inside the code block:
 
 Note that rules #1 and #2 only apply to two cases:  (a) cases
 in which the lines to be included in a list item begin with a
-characer other than a space or tab, and (b) cases in which
+character other than a space or tab, and (b) cases in which
 they begin with an indented code
 block.  In a case like the following, where the first block begins with
 three spaces of indentation, the rules do not allow us to form a list item by
@@ -5353,11 +5349,11 @@ by itself should be a paragraph followed by a nested sublist.
 Since it is well established Markdown practice to allow lists to
 interrupt paragraphs inside list items, the [principle of
 uniformity] requires us to allow this outside list items as
-well.  ([reStructuredText](http://docutils.sourceforge.net/rst.html)
+well.  ([reStructuredText](https://docutils.sourceforge.net/rst.html)
 takes a different approach, requiring blank lines before lists
 even inside other list items.)
 
-In order to solve of unwanted lists in paragraphs with
+In order to solve the problem of unwanted lists in paragraphs with
 hard-wrapped numerals, we allow only lists starting with `1` to
 interrupt paragraphs.  Thus,
 
@@ -6058,18 +6054,18 @@ But this is an HTML tag:
 And this is code:
 
 ```````````````````````````````` example
-`<http://foo.bar.`baz>`
+`<https://foo.bar.`baz>`
 .
-<p><code>&lt;http://foo.bar.</code>baz&gt;`</p>
+<p><code>&lt;https://foo.bar.</code>baz&gt;`</p>
 ````````````````````````````````
 
 
 But this is an autolink:
 
 ```````````````````````````````` example
-<http://foo.bar.`baz>`
+<https://foo.bar.`baz>`
 .
-<p><a href="http://foo.bar.%60baz">http://foo.bar.`baz</a>`</p>
+<p><a href="https://foo.bar.%60baz">https://foo.bar.`baz</a>`</p>
 ````````````````````````````````
 
 
@@ -6102,7 +6098,7 @@ closing backtick strings to be equal in length:
 ## Emphasis and strong emphasis
 
 John Gruber's original [Markdown syntax
-description](http://daringfireball.net/projects/markdown/syntax#em) says:
+description](https://daringfireball.net/projects/markdown/syntax#em) says:
 
 > Markdown treats asterisks (`*`) and underscores (`_`) as indicators of
 > emphasis. Text wrapped with one `*` or `_` will be wrapped with an HTML
@@ -6204,7 +6200,7 @@ Here are some examples of delimiter runs.
 (The idea of distinguishing left-flanking and right-flanking
 delimiter runs based on the character before and the character
 after comes from Roopesh Chander's
-[vfmd](http://www.vfmd.org/vfmd-spec/specification/#procedure-for-identifying-emphasis-tags).
+[vfmd](https://web.archive.org/web/20220608143320/http://www.vfmd.org/vfmd-spec/specification/#procedure-for-identifying-emphasis-tags).
 vfmd uses the terminology "emphasis indicator string" instead of "delimiter
 run," and its rules for distinguishing left- and right-flanking runs
 are a bit more complex than the ones given here.)
@@ -6346,6 +6342,21 @@ Unicode nonbreaking spaces count as whitespace, too:
 ````````````````````````````````
 
 
+Unicode symbols count as punctuation, too:
+
+```````````````````````````````` example
+*$*alpha.
+
+*£*bravo.
+
+*€*charlie.
+.
+<p>*$*alpha.</p>
+<p>*£*bravo.</p>
+<p>*€*charlie.</p>
+````````````````````````````````
+
+
 Intraword emphasis with `*` is permitted:
 
 ```````````````````````````````` example
@@ -7431,16 +7442,16 @@ _a `_`_
 
 
 ```````````````````````````````` example
-**a<http://foo.bar/?q=**>
+**a<https://foo.bar/?q=**>
 .
-<p>**a<a href="http://foo.bar/?q=**">http://foo.bar/?q=**</a></p>
+<p>**a<a href="https://foo.bar/?q=**">https://foo.bar/?q=**</a></p>
 ````````````````````````````````
 
 
 ```````````````````````````````` example
-__a<http://foo.bar/?q=__>
+__a<https://foo.bar/?q=__>
 .
-<p>__a<a href="http://foo.bar/?q=__">http://foo.bar/?q=__</a></p>
+<p>__a<a href="https://foo.bar/?q=__">https://foo.bar/?q=__</a></p>
 ````````````````````````````````
 
 
@@ -7688,13 +7699,13 @@ A link can contain fragment identifiers and queries:
 ```````````````````````````````` example
 [link](#fragment)
 
-[link](http://example.com#fragment)
+[link](https://example.com#fragment)
 
-[link](http://example.com?foo=3#frag)
+[link](https://example.com?foo=3#frag)
 .
 <p><a href="#fragment">link</a></p>
-<p><a href="http://example.com#fragment">link</a></p>
-<p><a href="http://example.com?foo=3#frag">link</a></p>
+<p><a href="https://example.com#fragment">link</a></p>
+<p><a href="https://example.com?foo=3#frag">link</a></p>
 ````````````````````````````````
 
 
@@ -7938,9 +7949,9 @@ and autolinks over link grouping:
 
 
 ```````````````````````````````` example
-[foo<http://example.com/?search=](uri)>
+[foo<https://example.com/?search=](uri)>
 .
-<p>[foo<a href="http://example.com/?search=%5D(uri)">http://example.com/?search=](uri)</a></p>
+<p>[foo<a href="https://example.com/?search=%5D(uri)">https://example.com/?search=](uri)</a></p>
 ````````````````````````````````
 
 
@@ -8094,11 +8105,11 @@ and autolinks over link grouping:
 
 
 ```````````````````````````````` example
-[foo<http://example.com/?search=][ref]>
+[foo<https://example.com/?search=][ref]>
 
 [ref]: /uri
 .
-<p>[foo<a href="http://example.com/?search=%5D%5Bref%5D">http://example.com/?search=][ref]</a></p>
+<p>[foo<a href="https://example.com/?search=%5D%5Bref%5D">https://example.com/?search=][ref]</a></p>
 ````````````````````````````````
 
 
@@ -8298,7 +8309,7 @@ A [collapsed reference link](@)
 consists of a [link label] that [matches] a
 [link reference definition] elsewhere in the
 document, followed by the string `[]`.
-The contents of the first link label are parsed as inlines,
+The contents of the link label are parsed as inlines,
 which are used as the link's text.  The link's URI and title are
 provided by the matching reference link definition.  Thus,
 `[foo][]` is equivalent to `[foo][foo]`.
@@ -8351,7 +8362,7 @@ A [shortcut reference link](@)
 consists of a [link label] that [matches] a
 [link reference definition] elsewhere in the
 document and is not followed by `[]` or a link label.
-The contents of the first link label are parsed as inlines,
+The contents of the link label are parsed as inlines,
 which are used as the link's text.  The link's URI and title
 are provided by the matching link reference definition.
 Thus, `[foo]` is equivalent to `[foo][]`.
@@ -8438,7 +8449,7 @@ following closing bracket:
 ````````````````````````````````
 
 
-Full and compact references take precedence over shortcut
+Full and collapsed references take precedence over shortcut
 references:
 
 ```````````````````````````````` example
@@ -8754,7 +8765,7 @@ a link to the URI, with the URI as the link's label.
 
 An [absolute URI](@),
 for these purposes, consists of a [scheme] followed by a colon (`:`)
-followed by zero or more characters other [ASCII control
+followed by zero or more characters other than [ASCII control
 characters][ASCII control character], [space], `<`, and `>`.
 If the URI includes these characters, they must be percent-encoded
 (e.g. `%20` for a space).
@@ -8774,9 +8785,9 @@ Here are some valid autolinks:
 
 
 ```````````````````````````````` example
-<http://foo.bar.baz/test?q=hello&id=22&boolean>
+<https://foo.bar.baz/test?q=hello&id=22&boolean>
 .
-<p><a href="http://foo.bar.baz/test?q=hello&amp;id=22&amp;boolean">http://foo.bar.baz/test?q=hello&amp;id=22&amp;boolean</a></p>
+<p><a href="https://foo.bar.baz/test?q=hello&amp;id=22&amp;boolean">https://foo.bar.baz/test?q=hello&amp;id=22&amp;boolean</a></p>
 ````````````````````````````````
 
 
@@ -8816,9 +8827,9 @@ with their syntax:
 
 
 ```````````````````````````````` example
-<http://../>
+<https://../>
 .
-<p><a href="http://../">http://../</a></p>
+<p><a href="https://../">https://../</a></p>
 ````````````````````````````````
 
 
@@ -8832,18 +8843,18 @@ with their syntax:
 Spaces are not allowed in autolinks:
 
 ```````````````````````````````` example
-<http://foo.bar/baz bim>
+<https://foo.bar/baz bim>
 .
-<p>&lt;http://foo.bar/baz bim&gt;</p>
+<p>&lt;https://foo.bar/baz bim&gt;</p>
 ````````````````````````````````
 
 
 Backslash-escapes do not work inside autolinks:
 
 ```````````````````````````````` example
-<http://example.com/\[\>
+<https://example.com/\[\>
 .
-<p><a href="http://example.com/%5C%5B%5C">http://example.com/\[\</a></p>
+<p><a href="https://example.com/%5C%5B%5C">https://example.com/\[\</a></p>
 ````````````````````````````````
 
 
@@ -8895,9 +8906,9 @@ These are not autolinks:
 
 
 ```````````````````````````````` example
-< http://foo.bar >
+< https://foo.bar >
 .
-<p>&lt; http://foo.bar &gt;</p>
+<p>&lt; https://foo.bar &gt;</p>
 ````````````````````````````````
 
 
@@ -8916,9 +8927,9 @@ These are not autolinks:
 
 
 ```````````````````````````````` example
-http://example.com
+https://example.com
 .
-<p>http://example.com</p>
+<p>https://example.com</p>
 ````````````````````````````````
 
 
@@ -8980,10 +8991,9 @@ A [closing tag](@) consists of the string `</`, a
 [tag name], optional spaces, tabs, and up to one line ending, and the character
 `>`.
 
-An [HTML comment](@) consists of `<!--` + *text* + `-->`,
-where *text* does not start with `>` or `->`, does not end with `-`,
-and does not contain `--`.  (See the
-[HTML5 spec](http://www.w3.org/TR/html5/syntax.html#comments).)
+An [HTML comment](@) consists of `<!-->`, `<!--->`, or  `<!--`, a string of
+characters not including the string `-->`, and `-->` (see the
+[HTML spec](https://html.spec.whatwg.org/multipage/parsing.html#markup-declaration-open-state)).
 
 A [processing instruction](@)
 consists of the string `<?`, a string
@@ -9122,30 +9132,20 @@ Illegal attributes in closing tag:
 Comments:
 
 ```````````````````````````````` example
-foo <!-- this is a
-comment - with hyphen -->
+foo <!-- this is a --
+comment - with hyphens -->
 .
-<p>foo <!-- this is a
-comment - with hyphen --></p>
+<p>foo <!-- this is a --
+comment - with hyphens --></p>
 ````````````````````````````````
 
-
-```````````````````````````````` example
-foo <!-- not a comment -- two hyphens -->
-.
-<p>foo &lt;!-- not a comment -- two hyphens --&gt;</p>
-````````````````````````````````
-
-
-Not comments:
-
 ```````````````````````````````` example
 foo <!--> foo -->
 
-foo <!-- foo--->
+foo <!---> foo -->
 .
-<p>foo &lt;!--&gt; foo --&gt;</p>
-<p>foo &lt;!-- foo---&gt;</p>
+<p>foo <!--> foo --&gt;</p>
+<p>foo <!---> foo --&gt;</p>
 ````````````````````````````````
 
 
@@ -9674,7 +9674,7 @@ through the stack for an opening `[` or `![` delimiter.
   delimiter from the stack, and return a literal text node `]`.
 
 - If we find one and it's active, then we parse ahead to see if
-  we have an inline link/image, reference link/image, compact reference
+  we have an inline link/image, reference link/image, collapsed reference
   link/image, or shortcut reference link/image.
 
   + If we don't, then we remove the opening delimiter from the

From 414ba56a17b545601b5360d2f7ddeb7fca30b20b Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 21:03:01 +1100
Subject: [PATCH 246/450] Update Unicode punctuation to include symbols

---
 .../java/org/commonmark/text/Characters.java     | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/text/Characters.java b/commonmark/src/main/java/org/commonmark/text/Characters.java
index 4d9532329..ee56ca67e 100644
--- a/commonmark/src/main/java/org/commonmark/text/Characters.java
+++ b/commonmark/src/main/java/org/commonmark/text/Characters.java
@@ -57,17 +57,23 @@ public static boolean isSpaceOrTab(CharSequence s, int index) {
     }
 
     /**
-     * @see <a href="https://spec.commonmark.org/0.29/#punctuation-character">punctuation character</a>
+     * @see <a href="https://spec.commonmark.org/0.31.2/#unicode-punctuation-character">Unicode punctuation character</a>
      */
     public static boolean isPunctuationCodePoint(int codePoint) {
         switch (Character.getType(codePoint)) {
-            case Character.CONNECTOR_PUNCTUATION:
+            // General category "P" (punctuation)
             case Character.DASH_PUNCTUATION:
+            case Character.START_PUNCTUATION:
             case Character.END_PUNCTUATION:
-            case Character.FINAL_QUOTE_PUNCTUATION:
-            case Character.INITIAL_QUOTE_PUNCTUATION:
+            case Character.CONNECTOR_PUNCTUATION:
             case Character.OTHER_PUNCTUATION:
-            case Character.START_PUNCTUATION:
+            case Character.INITIAL_QUOTE_PUNCTUATION:
+            case Character.FINAL_QUOTE_PUNCTUATION:
+                // General category "S" (symbol)
+            case Character.MATH_SYMBOL:
+            case Character.CURRENCY_SYMBOL:
+            case Character.MODIFIER_SYMBOL:
+            case Character.OTHER_SYMBOL:
                 return true;
             default:
                 switch (codePoint) {

From 058e2f0ed4331553e44a77f348983ef7b4d524e4 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 21:05:47 +1100
Subject: [PATCH 247/450] HTML blocks: Add search, remove source

---
 .../src/main/java/org/commonmark/internal/HtmlBlockParser.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
index ce66c20da..123d9ec1f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HtmlBlockParser.java
@@ -61,7 +61,7 @@ public class HtmlBlockParser extends AbstractBlockParser {
                             "nav|noframes|" +
                             "ol|optgroup|option|" +
                             "p|param|" +
-                            "section|source|summary|" +
+                            "search|section|summary|" +
                             "table|tbody|td|tfoot|th|thead|title|tr|track|" +
                             "ul" +
                             ")(?:\\s|[/]?[>]|$)", Pattern.CASE_INSENSITIVE),

From 203eeb24c2ef84472fa8b795a29bf07e550b9d70 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 21:26:42 +1100
Subject: [PATCH 248/450] Update HTML comment scanning

Looks like commonmark.js has a bug in its handling:
https://github.com/commonmark/commonmark.js/issues/285
---
 .../commonmark/internal/inline/HtmlInlineParser.java  | 11 ++++++-----
 .../org/commonmark/test/HtmlInlineParserTest.java     |  6 +++++-
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index c85ae9d71..6dc525cb9 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -142,8 +142,9 @@ private static boolean tryProcessingInstruction(Scanner scanner) {
     }
 
     private static boolean tryComment(Scanner scanner) {
-        // spec: An HTML comment consists of <!-- + text + -->, where text does not start with > or ->, does not end
-        // with -, and does not contain --. (See the HTML5 spec.)
+        // spec: An [HTML comment](@) consists of `<!-->`, `<!--->`, or  `<!--`, a string of
+        // characters not including the string `-->`, and `-->` (see the
+        // [HTML spec](https://html.spec.whatwg.org/multipage/parsing.html#markup-declaration-open-state)).
 
         // Skip first `-`
         scanner.next();
@@ -152,12 +153,12 @@ private static boolean tryComment(Scanner scanner) {
         }
 
         if (scanner.next('>') || scanner.next("->")) {
-            return false;
+            return true;
         }
 
         while (scanner.find('-') >= 0) {
-            if (scanner.next("--")) {
-                return scanner.next('>');
+            if (scanner.next("-->")) {
+                return true;
             } else {
                 scanner.next();
             }
diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java
index 0172ca430..965a2f181 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java
@@ -8,7 +8,11 @@ public class HtmlInlineParserTest extends CoreRenderingTestCase {
     public void comment() {
         assertRendering("inline <!---->", "<p>inline <!----></p>\n");
         assertRendering("inline <!-- -> -->", "<p>inline <!-- -> --></p>\n");
-        assertRendering("inline <!--->-->", "<p>inline &lt;!---&gt;--&gt;</p>\n");
+        assertRendering("inline <!-- -- -->", "<p>inline <!-- -- --></p>\n");
+        assertRendering("inline <!-- --->", "<p>inline <!-- ---></p>\n");
+        assertRendering("inline <!-- ---->", "<p>inline <!-- ----></p>\n");
+        assertRendering("inline <!-->-->", "<p>inline <!-->--&gt;</p>\n");
+        assertRendering("inline <!--->-->", "<p>inline <!--->--&gt;</p>\n");
     }
 
     @Test

From a8af670b8ac5212b9a658b14c6a2a0d1170f83b7 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 2 Mar 2024 22:34:31 +1100
Subject: [PATCH 249/450] Update overrides in SpecIntegrationTest

---
 .../commonmark/integration/Extensions.java    | 25 +++++++++++++
 .../ExtensionsIntegrationTest.java            | 37 +++++++++++++++++++
 .../SourceSpanIntegrationTest.java            |  2 +-
 .../integration/SpecIntegrationTest.java      | 34 +++--------------
 4 files changed, 68 insertions(+), 30 deletions(-)
 create mode 100644 commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
 create mode 100644 commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java

diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
new file mode 100644
index 000000000..5eddcc57a
--- /dev/null
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
@@ -0,0 +1,25 @@
+package org.commonmark.integration;
+
+import org.commonmark.Extension;
+import org.commonmark.ext.autolink.AutolinkExtension;
+import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
+import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
+import org.commonmark.ext.gfm.tables.TablesExtension;
+import org.commonmark.ext.image.attributes.ImageAttributesExtension;
+import org.commonmark.ext.ins.InsExtension;
+import org.commonmark.ext.task.list.items.TaskListItemsExtension;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class Extensions {
+
+    static final List<Extension> ALL_EXTENSIONS = Arrays.asList(
+            AutolinkExtension.create(),
+            ImageAttributesExtension.create(),
+            InsExtension.create(),
+            StrikethroughExtension.create(),
+            TablesExtension.create(),
+            TaskListItemsExtension.create(),
+            YamlFrontMatterExtension.create());
+}
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java
new file mode 100644
index 000000000..f5d84b5a9
--- /dev/null
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java
@@ -0,0 +1,37 @@
+package org.commonmark.integration;
+
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.testutil.RenderingTestCase;
+import org.junit.Test;
+
+/**
+ * Tests to ensure all extensions work well together.
+ */
+public class ExtensionsIntegrationTest extends RenderingTestCase {
+
+    protected static final Parser PARSER = Parser.builder()
+            .extensions(Extensions.ALL_EXTENSIONS)
+            .build();
+    protected static final HtmlRenderer RENDERER = HtmlRenderer.builder()
+            .extensions(Extensions.ALL_EXTENSIONS)
+            .percentEncodeUrls(true)
+            .build();
+
+    @Test
+    public void testImageAttributes() {
+        assertRendering("![text](/url.png){height=5 width=6}", "<p><img src=\"/url.png\" alt=\"text\" height=\"5\" width=\"6\" /></p>\n");
+    }
+
+    @Test
+    public void testTaskListItems() {
+        assertRendering("- [ ] task to do\n- [x] task done\n",
+                "<ul>\n<li><input type=\"checkbox\" disabled=\"\"> task to do</li>\n" +
+                        "<li><input type=\"checkbox\" disabled=\"\" checked=\"\"> task done</li>\n</ul>\n");
+
+    }
+
+    protected String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+}
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
index b6fa4922a..a0649f537 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
@@ -10,7 +10,7 @@
 public class SourceSpanIntegrationTest extends SpecIntegrationTest {
 
     protected static final Parser PARSER = Parser.builder()
-            .extensions(EXTENSIONS)
+            .extensions(Extensions.ALL_EXTENSIONS)
             .includeSourceSpans(IncludeSourceSpans.BLOCKS)
             .build();
 
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
index f434f65d2..2b615aa41 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
@@ -1,18 +1,9 @@
 package org.commonmark.integration;
 
-import org.commonmark.Extension;
-import org.commonmark.ext.autolink.AutolinkExtension;
-import org.commonmark.ext.image.attributes.ImageAttributesExtension;
-import org.commonmark.ext.ins.InsExtension;
-import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
-import org.commonmark.ext.gfm.tables.TablesExtension;
-import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
-import org.commonmark.ext.task.list.items.TaskListItemsExtension;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.parser.Parser;
 import org.commonmark.testutil.example.Example;
 import org.commonmark.testutil.SpecTestCase;
-import org.junit.Assert;
 import org.junit.Test;
 
 import java.util.*;
@@ -24,17 +15,9 @@
  */
 public class SpecIntegrationTest extends SpecTestCase {
 
-    protected static final List<Extension> EXTENSIONS = Arrays.asList(
-            AutolinkExtension.create(),
-            ImageAttributesExtension.create(),
-            InsExtension.create(),
-            StrikethroughExtension.create(),
-            TablesExtension.create(),
-            TaskListItemsExtension.create(),
-            YamlFrontMatterExtension.create());
-    protected static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    protected static final Parser PARSER = Parser.builder().extensions(Extensions.ALL_EXTENSIONS).build();
     // The spec says URL-escaping is optional, but the examples assume that it's enabled.
-    protected static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).percentEncodeUrls(true).build();
+    protected static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(Extensions.ALL_EXTENSIONS).percentEncodeUrls(true).build();
     protected static final Map<String, String> OVERRIDDEN_EXAMPLES = getOverriddenExamples();
 
     public SpecIntegrationTest(Example example) {
@@ -59,7 +42,7 @@ private static Map<String, String> getOverriddenExamples() {
         Map<String, String> m = new HashMap<>();
 
         // Not a spec autolink because of space, but the resulting text contains a valid URL
-        m.put("<http://foo.bar/baz bim>\n", "<p>&lt;<a href=\"http://foo.bar/baz\">http://foo.bar/baz</a> bim&gt;</p>\n");
+        m.put("<https://foo.bar/baz bim>\n", "<p>&lt;<a href=\"https://foo.bar/baz\">https://foo.bar/baz</a> bim&gt;</p>\n");
 
         // Not a spec autolink, but the resulting text contains a valid email
         m.put("<foo\\+@bar.example.com>\n", "<p>&lt;<a href=\"mailto:foo+@bar.example.com\">foo+@bar.example.com</a>&gt;</p>\n");
@@ -68,10 +51,10 @@ private static Map<String, String> getOverriddenExamples() {
         m.put("<heck://bing.bong>\n", "<p>&lt;<a href=\"heck://bing.bong%3E\">heck://bing.bong&gt;</a></p>\n");
 
         // Not a spec autolink because of spaces, but autolink extension doesn't limit schemes
-        m.put("< http://foo.bar >\n", "<p>&lt; <a href=\"http://foo.bar\">http://foo.bar</a> &gt;</p>\n");
+        m.put("< https://foo.bar >\n", "<p>&lt; <a href=\"https://foo.bar\">https://foo.bar</a> &gt;</p>\n");
 
         // Plain autolink
-        m.put("http://example.com\n", "<p><a href=\"http://example.com\">http://example.com</a></p>\n");
+        m.put("https://example.com\n", "<p><a href=\"https://example.com\">https://example.com</a></p>\n");
 
         // Plain autolink
         m.put("foo@bar.example.com\n", "<p><a href=\"mailto:foo@bar.example.com\">foo@bar.example.com</a></p>\n");
@@ -80,13 +63,6 @@ private static Map<String, String> getOverriddenExamples() {
         m.put("---\nFoo\n---\nBar\n---\nBaz\n", "<h2>Bar</h2>\n<p>Baz</p>\n");
         m.put("---\n---\n", "");
 
-        // Image attributes
-        m.put("![text](/url.png){height=5 width=6}", "<img src=\"/url.png\" alt=\"text\" height=\"5\" width=\"6\" />");
-
-        // Task list items
-        m.put("- [ ] task to do\n- [x] task done\n", "<ul>\n<li><input type=\"checkbox\" disabled=\"\"> task to do</li>\n" +
-                "<li><input type=\"checkbox\" disabled=\"\" checked=\"\"> task done</li>\n</ul>\n");
-
         return m;
     }
 

From b13438921bf18c79e2cff3cf6c38a3aef0b73a8e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 9 Mar 2024 11:49:44 +1100
Subject: [PATCH 250/450] Extend Javadoc

---
 .../src/main/java/org/commonmark/ext/gfm/tables/TableCell.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java
index 623e30062..57184ca38 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TableCell.java
@@ -34,7 +34,7 @@ public void setAlignment(Alignment alignment) {
     }
 
     /**
-     * @return the cell width
+     * @return the cell width (the number of dash and colon characters in the delimiter row of the table for this column)
      */
     public int getWidth() {
         return width;

From bd40c083a35f7d68d5eef9156ed5382bf40da5e0 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 12 Mar 2024 15:15:39 +1100
Subject: [PATCH 251/450] Save original literal in ThematicBreak on parsing

Fixes #295.
---
 .../internal/ThematicBreakParser.java         |  7 ++++-
 .../org/commonmark/node/ThematicBreak.java    | 13 +++++++++
 .../test/ThematicBreakParserTest.java         | 29 +++++++++++++++++++
 3 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/ThematicBreakParser.java b/commonmark/src/main/java/org/commonmark/internal/ThematicBreakParser.java
index 88ad41ac9..0f0613221 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ThematicBreakParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ThematicBreakParser.java
@@ -8,6 +8,10 @@ public class ThematicBreakParser extends AbstractBlockParser {
 
     private final ThematicBreak block = new ThematicBreak();
 
+    public ThematicBreakParser(String literal) {
+        block.setLiteral(literal);
+    }
+
     @Override
     public Block getBlock() {
         return block;
@@ -29,7 +33,8 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             int nextNonSpace = state.getNextNonSpaceIndex();
             CharSequence line = state.getLine().getContent();
             if (isThematicBreak(line, nextNonSpace)) {
-                return BlockStart.of(new ThematicBreakParser()).atIndex(line.length());
+                var literal = String.valueOf(line.subSequence(state.getIndex(), line.length()));
+                return BlockStart.of(new ThematicBreakParser(literal)).atIndex(line.length());
             } else {
                 return BlockStart.none();
             }
diff --git a/commonmark/src/main/java/org/commonmark/node/ThematicBreak.java b/commonmark/src/main/java/org/commonmark/node/ThematicBreak.java
index f81abaa31..836f8dfa1 100644
--- a/commonmark/src/main/java/org/commonmark/node/ThematicBreak.java
+++ b/commonmark/src/main/java/org/commonmark/node/ThematicBreak.java
@@ -2,8 +2,21 @@
 
 public class ThematicBreak extends Block {
 
+    private String literal;
+
     @Override
     public void accept(Visitor visitor) {
         visitor.visit(this);
     }
+
+    /**
+     * @return the source literal that represents this node, if available
+     */
+    public String getLiteral() {
+        return literal;
+    }
+
+    public void setLiteral(String literal) {
+        this.literal = literal;
+    }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java b/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java
new file mode 100644
index 000000000..91ac76f67
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java
@@ -0,0 +1,29 @@
+package org.commonmark.test;
+
+import org.commonmark.node.ThematicBreak;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.testutil.RenderingTestCase;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+public class ThematicBreakParserTest {
+
+    private static final Parser PARSER = Parser.builder().build();
+
+    @Test
+    public void testLiteral() {
+        assertLiteral("***", "***");
+        assertLiteral("-- -", "-- -");
+        assertLiteral("  __  __  __  ", "  __  __  __  ");
+        assertLiteral("***", "> ***");
+    }
+
+    private static void assertLiteral(String expected, String input) {
+        var tb = Nodes.find(PARSER.parse(input), ThematicBreak.class);
+        assertNotNull(tb);
+        assertEquals(expected, tb.getLiteral());
+    }
+}

From 4e65b065de6648c96051641b1f10ffdcaf19b95c Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 12 Mar 2024 16:27:19 +1100
Subject: [PATCH 252/450] Make Nodes.find throw when not found

---
 .../org/commonmark/test/ListBlockParserTest.java |  1 -
 .../src/test/java/org/commonmark/test/Nodes.java | 16 ++++++++++++++--
 .../commonmark/test/ThematicBreakParserTest.java |  3 ---
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java b/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
index a8a03fb74..2ba2116d4 100644
--- a/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
@@ -60,7 +60,6 @@ public void testOrderedListIndents() {
     private void assertListItemIndents(String input, int expectedMarkerIndent, int expectedContentIndent) {
         Node doc = PARSER.parse(input);
         ListItem listItem = Nodes.find(doc, ListItem.class);
-        assertNotNull(listItem);
         assertEquals(expectedMarkerIndent, listItem.getMarkerIndent());
         assertEquals(expectedContentIndent, listItem.getContentIndent());
     }
diff --git a/commonmark/src/test/java/org/commonmark/test/Nodes.java b/commonmark/src/test/java/org/commonmark/test/Nodes.java
index 25ce75836..8db504924 100644
--- a/commonmark/src/test/java/org/commonmark/test/Nodes.java
+++ b/commonmark/src/test/java/org/commonmark/test/Nodes.java
@@ -21,7 +21,7 @@ public static List<Node> getChildren(Node parent) {
      * @param parent    The node to get children from (node itself will not be checked)
      * @param nodeClass The type of node to find
      */
-    public static <T> T find(Node parent, Class<T> nodeClass) {
+    public static <T> T tryFind(Node parent, Class<T> nodeClass) {
         Node node = parent.getFirstChild();
         while (node != null) {
             Node next = node.getNext();
@@ -29,7 +29,7 @@ public static <T> T find(Node parent, Class<T> nodeClass) {
                 //noinspection unchecked
                 return (T) node;
             }
-            T result = find(node, nodeClass);
+            T result = tryFind(node, nodeClass);
             if (result != null) {
                 return result;
             }
@@ -37,4 +37,16 @@ public static <T> T find(Node parent, Class<T> nodeClass) {
         }
         return null;
     }
+
+    /**
+     * Recursively try to find a node with the given type within the children of the specified node. Throw if node
+     * could not be found.
+     */
+    public static <T> T find(Node parent, Class<T> nodeClass) {
+        var node = tryFind(parent, nodeClass);
+        if (node == null) {
+            throw new IllegalArgumentException("Could not find a " + nodeClass.getSimpleName() + " node in " + parent);
+        }
+        return node;
+    }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java b/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java
index 91ac76f67..a6b297f8e 100644
--- a/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java
@@ -2,8 +2,6 @@
 
 import org.commonmark.node.ThematicBreak;
 import org.commonmark.parser.Parser;
-import org.commonmark.renderer.html.HtmlRenderer;
-import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
@@ -23,7 +21,6 @@ public void testLiteral() {
 
     private static void assertLiteral(String expected, String input) {
         var tb = Nodes.find(PARSER.parse(input), ThematicBreak.class);
-        assertNotNull(tb);
         assertEquals(expected, tb.getLiteral());
     }
 }

From 21fc1df7adfc6e8d3e876e56702a0adb81397a27 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 12 Mar 2024 16:28:13 +1100
Subject: [PATCH 253/450] Fix LinkReferenceDefinition having null SourceSpan
 when title is present

Fixes #292.
---
 .../LinkReferenceDefinitionParser.java        |  6 ++++--
 .../commonmark/parser/block/BlockParser.java  |  4 ++++
 .../org/commonmark/test/SourceSpansTest.java  | 19 +++++++++++++++++++
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index d11a6f228..ebe6ebb23 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -100,6 +100,10 @@ State getState() {
     }
 
     private boolean startDefinition(Scanner scanner) {
+        // Finish any outstanding references now. We don't do this earlier because we need addSourceSpan to have been
+        // called before we do it.
+        finishReference();
+
         scanner.whitespace();
         if (!scanner.next('[')) {
             return false;
@@ -205,7 +209,6 @@ private boolean startTitle(Scanner scanner) {
                 title.append('\n');
             }
         } else {
-            finishReference();
             // There might be another reference instead, try that for the same character.
             state = State.START_DEFINITION;
         }
@@ -235,7 +238,6 @@ private boolean title(Scanner scanner) {
             return false;
         }
         referenceValid = true;
-        finishReference();
         paragraphLines.clear();
 
         // See if there's another definition.
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
index aa956a48a..addd90d1a 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
@@ -34,6 +34,10 @@ public interface BlockParser {
 
     BlockContinue tryContinue(ParserState parserState);
 
+    /**
+     * Add the part of a line that belongs to this block parser to parse (i.e. without any container block markers).
+     * Note that the line will only include a {@link SourceLine#getSourceSpan()} if source spans are enabled for inlines.
+     */
     void addLine(SourceLine line);
 
     /**
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index a96d9c58b..959598935 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -8,6 +8,7 @@
 import java.util.ArrayDeque;
 import java.util.Arrays;
 import java.util.Deque;
+import java.util.List;
 
 import static org.junit.Assert.assertEquals;
 
@@ -164,6 +165,24 @@ public void linkReferenceDefinition() {
         assertEquals(Arrays.asList(SourceSpan.of(1, 0, 4)), paragraph.getSourceSpans());
     }
 
+    @Test
+    public void linkReferenceDefinitionMultiple() {
+        var doc = PARSER.parse("[foo]: /foo\n[bar]: /bar\n");
+        var def1 = (LinkReferenceDefinition) doc.getFirstChild();
+        var def2 = (LinkReferenceDefinition) doc.getLastChild();
+        assertEquals(List.of(SourceSpan.of(0, 0, 11)), def1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 0, 11)), def2.getSourceSpans());
+    }
+
+    @Test
+    public void linkReferenceDefinitionWithTitle() {
+        var doc = PARSER.parse("[1]: #not-code \"Text\"\n[foo]: /foo\n");
+        var def1 = (LinkReferenceDefinition) doc.getFirstChild();
+        var def2 = (LinkReferenceDefinition) doc.getLastChild();
+        assertEquals(List.of(SourceSpan.of(0, 0, 21)), def1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 0, 11)), def2.getSourceSpans());
+    }
+
     @Test
     public void linkReferenceDefinitionHeading() {
         // This is probably the trickiest because we have a link reference definition at the start of a paragraph

From 16c6ff26b1b62f40a394ec8578a2a54e7717aecb Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 14 Mar 2024 11:43:04 +1100
Subject: [PATCH 254/450] Fix markdown renderer for manually created list nodes

---
 .../commonmark/internal/ListBlockParser.java  | 18 +++----
 .../renderer/text/BulletListHolder.java       |  6 +--
 .../renderer/text/OrderedListHolder.java      |  8 +--
 .../java/org/commonmark/node/BulletList.java  | 26 ++++++++--
 .../java/org/commonmark/node/ListItem.java    | 19 +++----
 .../java/org/commonmark/node/OrderedList.java | 51 ++++++++++++++++---
 .../renderer/html/CoreHtmlNodeRenderer.java   |  2 +-
 .../markdown/CoreMarkdownNodeRenderer.java    | 39 +++++++-------
 .../markdown/MarkdownRendererTest.java        | 33 ++++++++++++
 .../commonmark/test/ListBlockParserTest.java  |  4 +-
 10 files changed, 146 insertions(+), 60 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
index 0ff644a47..d77744da7 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
@@ -4,6 +4,8 @@
 import org.commonmark.node.*;
 import org.commonmark.parser.block.*;
 
+import java.util.Objects;
+
 public class ListBlockParser extends AbstractBlockParser {
 
     private final ListBlock block;
@@ -90,7 +92,7 @@ private static ListData parseList(CharSequence line, final int markerIndex, fina
 
         if (inParagraph) {
             // If the list item is ordered, the start number must be 1 to interrupt a paragraph.
-            if (listBlock instanceof OrderedList && ((OrderedList) listBlock).getStartNumber() != 1) {
+            if (listBlock instanceof OrderedList && ((OrderedList) listBlock).getMarkerStartNumber() != 1) {
                 return null;
             }
             // Empty list item can not interrupt a paragraph.
@@ -116,7 +118,7 @@ private static ListMarkerData parseListMarker(CharSequence line, int index) {
             case '*':
                 if (isSpaceTabOrEnd(line, index + 1)) {
                     BulletList bulletList = new BulletList();
-                    bulletList.setBulletMarker(c);
+                    bulletList.setMarker(String.valueOf(c));
                     return new ListMarkerData(bulletList, index + 1);
                 } else {
                     return null;
@@ -154,8 +156,8 @@ private static ListMarkerData parseOrderedList(CharSequence line, int index) {
                     if (digits >= 1 && isSpaceTabOrEnd(line, i + 1)) {
                         String number = line.subSequence(index, i).toString();
                         OrderedList orderedList = new OrderedList();
-                        orderedList.setStartNumber(Integer.parseInt(number));
-                        orderedList.setDelimiter(c);
+                        orderedList.setMarkerStartNumber(Integer.parseInt(number));
+                        orderedList.setMarkerDelimiter(String.valueOf(c));
                         return new ListMarkerData(orderedList, i + 1);
                     } else {
                         return null;
@@ -188,17 +190,13 @@ private static boolean isSpaceTabOrEnd(CharSequence line, int index) {
      */
     private static boolean listsMatch(ListBlock a, ListBlock b) {
         if (a instanceof BulletList && b instanceof BulletList) {
-            return equals(((BulletList) a).getBulletMarker(), ((BulletList) b).getBulletMarker());
+            return Objects.equals(((BulletList) a).getMarker(), ((BulletList) b).getMarker());
         } else if (a instanceof OrderedList && b instanceof OrderedList) {
-            return equals(((OrderedList) a).getDelimiter(), ((OrderedList) b).getDelimiter());
+            return Objects.equals(((OrderedList) a).getMarkerDelimiter(), ((OrderedList) b).getMarkerDelimiter());
         }
         return false;
     }
 
-    private static boolean equals(Object a, Object b) {
-        return (a == null) ? (b == null) : a.equals(b);
-    }
-
     public static class Factory extends AbstractBlockParserFactory {
 
         @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/renderer/text/BulletListHolder.java b/commonmark/src/main/java/org/commonmark/internal/renderer/text/BulletListHolder.java
index f08ccebd6..a9271dcdb 100644
--- a/commonmark/src/main/java/org/commonmark/internal/renderer/text/BulletListHolder.java
+++ b/commonmark/src/main/java/org/commonmark/internal/renderer/text/BulletListHolder.java
@@ -3,14 +3,14 @@
 import org.commonmark.node.BulletList;
 
 public class BulletListHolder extends ListHolder {
-    private final char marker;
+    private final String marker;
 
     public BulletListHolder(ListHolder parent, BulletList list) {
         super(parent);
-        marker = list.getBulletMarker();
+        marker = list.getMarker();
     }
 
-    public char getMarker() {
+    public String getMarker() {
         return marker;
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/renderer/text/OrderedListHolder.java b/commonmark/src/main/java/org/commonmark/internal/renderer/text/OrderedListHolder.java
index e02ecea7c..e5e470951 100644
--- a/commonmark/src/main/java/org/commonmark/internal/renderer/text/OrderedListHolder.java
+++ b/commonmark/src/main/java/org/commonmark/internal/renderer/text/OrderedListHolder.java
@@ -3,16 +3,16 @@
 import org.commonmark.node.OrderedList;
 
 public class OrderedListHolder extends ListHolder {
-    private final char delimiter;
+    private final String delimiter;
     private int counter;
 
     public OrderedListHolder(ListHolder parent, OrderedList list) {
         super(parent);
-        delimiter = list.getDelimiter();
-        counter = list.getStartNumber();
+        delimiter = list.getMarkerDelimiter() != null ? list.getMarkerDelimiter() : ".";
+        counter = list.getMarkerStartNumber() != null ? list.getMarkerStartNumber() : 1;
     }
 
-    public char getDelimiter() {
+    public String getDelimiter() {
         return delimiter;
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/node/BulletList.java b/commonmark/src/main/java/org/commonmark/node/BulletList.java
index 127862312..4d5c2a894 100644
--- a/commonmark/src/main/java/org/commonmark/node/BulletList.java
+++ b/commonmark/src/main/java/org/commonmark/node/BulletList.java
@@ -2,19 +2,37 @@
 
 public class BulletList extends ListBlock {
 
-    private char bulletMarker;
+    private String marker;
 
     @Override
     public void accept(Visitor visitor) {
         visitor.visit(this);
     }
 
+    /**
+     * @return the bullet list marker that was used, e.g. {@code -}, {@code *} or {@code +}, if available, or null otherwise
+     */
+    public String getMarker() {
+        return marker;
+    }
+
+    public void setMarker(String marker) {
+        this.marker = marker;
+    }
+
+    /**
+     * @deprecated use {@link #getMarker()} instead
+     */
+    @Deprecated
     public char getBulletMarker() {
-        return bulletMarker;
+        return marker != null && !marker.isEmpty() ? marker.charAt(0) : '\0';
     }
 
+    /**
+     * @deprecated use {@link #getMarker()} instead
+     */
+    @Deprecated
     public void setBulletMarker(char bulletMarker) {
-        this.bulletMarker = bulletMarker;
+        this.marker = bulletMarker != '\0' ? String.valueOf(bulletMarker) : null;
     }
-
 }
diff --git a/commonmark/src/main/java/org/commonmark/node/ListItem.java b/commonmark/src/main/java/org/commonmark/node/ListItem.java
index 21f4e2b82..4e63b6145 100644
--- a/commonmark/src/main/java/org/commonmark/node/ListItem.java
+++ b/commonmark/src/main/java/org/commonmark/node/ListItem.java
@@ -2,8 +2,8 @@
 
 public class ListItem extends Block {
 
-    private int markerIndent;
-    private int contentIndent;
+    private Integer markerIndent;
+    private Integer contentIndent;
 
     @Override
     public void accept(Visitor visitor) {
@@ -11,7 +11,8 @@ public void accept(Visitor visitor) {
     }
 
     /**
-     * Returns the indent of the marker such as "-" or "1." in columns (spaces or tab stop of 4).
+     * Returns the indent of the marker such as "-" or "1." in columns (spaces or tab stop of 4) if available, or null
+     * otherwise.
      * <p>
      * Some examples and their marker indent:
      * <pre>- Foo</pre>
@@ -21,17 +22,17 @@ public void accept(Visitor visitor) {
      * <pre>  1. Foo</pre>
      * Marker indent: 2
      */
-    public int getMarkerIndent() {
+    public Integer getMarkerIndent() {
         return markerIndent;
     }
 
-    public void setMarkerIndent(int markerIndent) {
+    public void setMarkerIndent(Integer markerIndent) {
         this.markerIndent = markerIndent;
     }
 
     /**
-     * Returns the indent of the content in columns (spaces or tab stop of 4). The content indent is counted from the
-     * beginning of the line and includes the marker on the first line.
+     * Returns the indent of the content in columns (spaces or tab stop of 4) if available, or null otherwise.
+     * The content indent is counted from the beginning of the line and includes the marker on the first line.
      * <p>
      * Some examples and their content indent:
      * <pre>- Foo</pre>
@@ -44,11 +45,11 @@ public void setMarkerIndent(int markerIndent) {
      * Note that subsequent lines in the same list item need to be indented by at least the content indent to be counted
      * as part of the list item.
      */
-    public int getContentIndent() {
+    public Integer getContentIndent() {
         return contentIndent;
     }
 
-    public void setContentIndent(int contentIndent) {
+    public void setContentIndent(Integer contentIndent) {
         this.contentIndent = contentIndent;
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/node/OrderedList.java b/commonmark/src/main/java/org/commonmark/node/OrderedList.java
index 1f988234c..0bbe09917 100644
--- a/commonmark/src/main/java/org/commonmark/node/OrderedList.java
+++ b/commonmark/src/main/java/org/commonmark/node/OrderedList.java
@@ -2,28 +2,65 @@
 
 public class OrderedList extends ListBlock {
 
-    private int startNumber;
-    private char delimiter;
+    private String markerDelimiter;
+    private Integer markerStartNumber;
 
     @Override
     public void accept(Visitor visitor) {
         visitor.visit(this);
     }
 
+    /**
+     * @return the start number used in the marker, e.g. {@code 1}, if available, or null otherwise
+     */
+    public Integer getMarkerStartNumber() {
+        return markerStartNumber;
+    }
+
+    public void setMarkerStartNumber(Integer markerStartNumber) {
+        this.markerStartNumber = markerStartNumber;
+    }
+
+    /**
+     * @return the delimiter used in the marker, e.g. {@code .} or {@code )}, if available, or null otherwise
+     */
+    public String getMarkerDelimiter() {
+        return markerDelimiter;
+    }
+
+    public void setMarkerDelimiter(String markerDelimiter) {
+        this.markerDelimiter = markerDelimiter;
+    }
+
+    /**
+     * @deprecated use {@link #getMarkerStartNumber()} instead
+     */
+    @Deprecated
     public int getStartNumber() {
-        return startNumber;
+        return markerStartNumber != null ? markerStartNumber : 0;
     }
 
+    /**
+     * @deprecated use {@link #setMarkerStartNumber} instead
+     */
+    @Deprecated
     public void setStartNumber(int startNumber) {
-        this.startNumber = startNumber;
+        this.markerStartNumber = startNumber != 0 ? startNumber : null;
     }
 
+    /**
+     * @deprecated use {@link #getMarkerDelimiter()} instead
+     */
+    @Deprecated
     public char getDelimiter() {
-        return delimiter;
+        return markerDelimiter != null && !markerDelimiter.isEmpty() ? markerDelimiter.charAt(0) : '\0';
     }
 
+    /**
+     * @deprecated use {@link #setMarkerDelimiter} instead
+     */
+    @Deprecated
     public void setDelimiter(char delimiter) {
-        this.delimiter = delimiter;
+        this.markerDelimiter = delimiter != '\0' ? String.valueOf(delimiter) : null;
     }
-
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
index 7d3552668..47343b53c 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
@@ -168,7 +168,7 @@ public void visit(ListItem listItem) {
 
     @Override
     public void visit(OrderedList orderedList) {
-        int start = orderedList.getStartNumber();
+        int start = orderedList.getMarkerStartNumber() != null ? orderedList.getMarkerStartNumber() : 1;
         Map<String, String> attrs = new LinkedHashMap<>();
         if (start != 1) {
             attrs.put("start", String.valueOf(start));
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index e0cc4eb25..d5770155a 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -227,33 +227,32 @@ public void visit(OrderedList orderedList) {
 
     @Override
     public void visit(ListItem listItem) {
-        int contentIndent = listItem.getContentIndent();
-        boolean pushedPrefix = false;
+        int markerIndent = listItem.getMarkerIndent() != null ? listItem.getMarkerIndent() : 0;
+        String marker;
         if (listHolder instanceof BulletListHolder) {
             BulletListHolder bulletListHolder = (BulletListHolder) listHolder;
-            String marker = repeat(" ", listItem.getMarkerIndent()) + bulletListHolder.bulletMarker;
-            writer.writePrefix(marker);
-            writer.writePrefix(repeat(" ", contentIndent - marker.length()));
-            writer.pushPrefix(repeat(" ", contentIndent));
-            pushedPrefix = true;
+            marker = repeat(" ", markerIndent) + bulletListHolder.marker;
         } else if (listHolder instanceof OrderedListHolder) {
             OrderedListHolder orderedListHolder = (OrderedListHolder) listHolder;
-            String marker = repeat(" ", listItem.getMarkerIndent()) + orderedListHolder.number + orderedListHolder.delimiter;
+            marker = repeat(" ", markerIndent) + orderedListHolder.number + orderedListHolder.delimiter;
             orderedListHolder.number++;
-            writer.writePrefix(marker);
-            writer.writePrefix(repeat(" ", contentIndent - marker.length()));
-            writer.pushPrefix(repeat(" ", contentIndent));
-            pushedPrefix = true;
+        } else {
+            throw new IllegalStateException("Unknown list holder type: " + listHolder);
         }
+        Integer contentIndent = listItem.getContentIndent();
+        String spaces = contentIndent != null ? repeat(" ", contentIndent - marker.length()) : " ";
+        writer.writePrefix(marker);
+        writer.writePrefix(spaces);
+        writer.pushPrefix(repeat(" ", marker.length() + spaces.length()));
+
         if (listItem.getFirstChild() == null) {
             // Empty list item
             writer.block();
         } else {
             visitChildren(listItem);
         }
-        if (pushedPrefix) {
-            writer.popPrefix();
-        }
+
+        writer.popPrefix();
     }
 
     @Override
@@ -489,22 +488,22 @@ protected ListHolder(ListHolder parent) {
     }
 
     private static class BulletListHolder extends ListHolder {
-        final char bulletMarker;
+        final String marker;
 
         public BulletListHolder(ListHolder parent, BulletList bulletList) {
             super(parent);
-            this.bulletMarker = bulletList.getBulletMarker();
+            this.marker = bulletList.getMarker() != null ? bulletList.getMarker() : "-";
         }
     }
 
     private static class OrderedListHolder extends ListHolder {
-        final char delimiter;
+        final String delimiter;
         private int number;
 
         protected OrderedListHolder(ListHolder parent, OrderedList orderedList) {
             super(parent);
-            delimiter = orderedList.getDelimiter();
-            number = orderedList.getStartNumber();
+            delimiter = orderedList.getMarkerDelimiter() != null ? orderedList.getMarkerDelimiter() : ".";
+            number = orderedList.getMarkerStartNumber() != null ? orderedList.getMarkerStartNumber() : 1;
         }
     }
 
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 9bab92bcc..522b16cd4 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -2,8 +2,10 @@
 
 import org.commonmark.node.*;
 import org.commonmark.parser.Parser;
+import org.commonmark.testutil.Asserts;
 import org.junit.Test;
 
+import static org.commonmark.testutil.Asserts.assertRendering;
 import static org.junit.Assert.assertEquals;
 
 public class MarkdownRendererTest {
@@ -103,6 +105,21 @@ public void testBulletListItems() {
         assertRoundTrip("- \n\nFoo\n");
     }
 
+    @Test
+    public void testBulletListItemsFromAst() {
+        var doc = new Document();
+        var list = new BulletList();
+        var item = new ListItem();
+        item.appendChild(new Text("Test"));
+        list.appendChild(item);
+        doc.appendChild(list);
+
+        assertRendering("", "- Test\n", render(doc));
+
+        list.setMarker("*");
+        assertRendering("", "* Test\n", render(doc));
+    }
+
     @Test
     public void testOrderedListItems() {
         assertRoundTrip("1. foo\n");
@@ -116,6 +133,22 @@ public void testOrderedListItems() {
         assertRoundTrip(" 1.  one\n\n    two\n");
     }
 
+    @Test
+    public void testOrderedListItemsFromAst() {
+        var doc = new Document();
+        var list = new OrderedList();
+        var item = new ListItem();
+        item.appendChild(new Text("Test"));
+        list.appendChild(item);
+        doc.appendChild(list);
+
+        assertRendering("", "1. Test\n", render(doc));
+
+        list.setMarkerStartNumber(2);
+        list.setMarkerDelimiter(")");
+        assertRendering("", "2) Test\n", render(doc));
+    }
+
     // Inlines
 
     @Test
diff --git a/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java b/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
index 2ba2116d4..667d60efe 100644
--- a/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
@@ -60,7 +60,7 @@ public void testOrderedListIndents() {
     private void assertListItemIndents(String input, int expectedMarkerIndent, int expectedContentIndent) {
         Node doc = PARSER.parse(input);
         ListItem listItem = Nodes.find(doc, ListItem.class);
-        assertEquals(expectedMarkerIndent, listItem.getMarkerIndent());
-        assertEquals(expectedContentIndent, listItem.getContentIndent());
+        assertEquals(expectedMarkerIndent, (int) listItem.getMarkerIndent());
+        assertEquals(expectedContentIndent, (int) listItem.getContentIndent());
     }
 }

From 8b7f928e741d20062b0f07e9c0e9e9d4bd98487e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 14 Mar 2024 17:02:12 +1100
Subject: [PATCH 255/450] Fix markdown renderer for manually created fenced
 code blocks

---
 .../internal/FencedCodeBlockParser.java       | 24 +++--
 .../org/commonmark/node/FencedCodeBlock.java  | 88 ++++++++++++++++---
 .../markdown/CoreMarkdownNodeRenderer.java    | 58 +++++++-----
 .../markdown/MarkdownRendererTest.java        | 17 ++++
 4 files changed, 148 insertions(+), 39 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
index a16758dd4..d550f1d25 100644
--- a/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/FencedCodeBlockParser.java
@@ -12,13 +12,17 @@
 public class FencedCodeBlockParser extends AbstractBlockParser {
 
     private final FencedCodeBlock block = new FencedCodeBlock();
+    private final char fenceChar;
+    private final int openingFenceLength;
 
     private String firstLine;
     private StringBuilder otherLines = new StringBuilder();
 
     public FencedCodeBlockParser(char fenceChar, int fenceLength, int fenceIndent) {
-        block.setFenceChar(fenceChar);
-        block.setFenceLength(fenceLength);
+        this.fenceChar = fenceChar;
+        this.openingFenceLength = fenceLength;
+        block.setFenceCharacter(String.valueOf(fenceChar));
+        block.setOpeningFenceLength(fenceLength);
         block.setFenceIndent(fenceIndent);
     }
 
@@ -32,7 +36,7 @@ public BlockContinue tryContinue(ParserState state) {
         int nextNonSpace = state.getNextNonSpaceIndex();
         int newIndex = state.getIndex();
         CharSequence line = state.getLine().getContent();
-        if (state.getIndent() < Parsing.CODE_BLOCK_INDENT && nextNonSpace < line.length() && line.charAt(nextNonSpace) == block.getFenceChar() && isClosing(line, nextNonSpace)) {
+        if (state.getIndent() < Parsing.CODE_BLOCK_INDENT && nextNonSpace < line.length() && tryClosing(line, nextNonSpace)) {
             // closing fence - we're at end of line, so we can finalize now
             return BlockContinue.finished();
         } else {
@@ -76,7 +80,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             int nextNonSpace = state.getNextNonSpaceIndex();
             FencedCodeBlockParser blockParser = checkOpener(state.getLine().getContent(), nextNonSpace, indent);
             if (blockParser != null) {
-                return BlockStart.of(blockParser).atIndex(nextNonSpace + blockParser.block.getFenceLength());
+                return BlockStart.of(blockParser).atIndex(nextNonSpace + blockParser.block.getOpeningFenceLength());
             } else {
                 return BlockStart.none();
             }
@@ -119,15 +123,17 @@ private static FencedCodeBlockParser checkOpener(CharSequence line, int index, i
     // spec: The content of the code block consists of all subsequent lines, until a closing code fence of the same type
     // as the code block began with (backticks or tildes), and with at least as many backticks or tildes as the opening
     // code fence.
-    private boolean isClosing(CharSequence line, int index) {
-        char fenceChar = block.getFenceChar();
-        int fenceLength = block.getFenceLength();
+    private boolean tryClosing(CharSequence line, int index) {
         int fences = Characters.skip(fenceChar, line, index, line.length()) - index;
-        if (fences < fenceLength) {
+        if (fences < openingFenceLength) {
             return false;
         }
         // spec: The closing code fence [...] may be followed only by spaces, which are ignored.
         int after = Characters.skipSpaceTab(line, index + fences, line.length());
-        return after == line.length();
+        if (after == line.length()) {
+            block.setClosingFenceLength(fences);
+            return true;
+        }
+        return false;
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java b/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java
index 7e2612331..205ef9126 100644
--- a/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java
+++ b/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java
@@ -2,8 +2,9 @@
 
 public class FencedCodeBlock extends Block {
 
-    private char fenceChar;
-    private int fenceLength;
+    private String fenceCharacter;
+    private Integer openingFenceLength;
+    private Integer closingFenceLength;
     private int fenceIndent;
 
     private String info;
@@ -14,20 +15,47 @@ public void accept(Visitor visitor) {
         visitor.visit(this);
     }
 
-    public char getFenceChar() {
-        return fenceChar;
+    /**
+     * @return the fence character that was used, e.g. {@code `} or {@code ~}, if available, or null otherwise
+     */
+    public String getFenceCharacter() {
+        return fenceCharacter;
     }
 
-    public void setFenceChar(char fenceChar) {
-        this.fenceChar = fenceChar;
+    public void setFenceCharacter(String fenceCharacter) {
+        this.fenceCharacter = fenceCharacter;
     }
 
-    public int getFenceLength() {
-        return fenceLength;
+    /**
+     * @return the length of the opening fence (how many of {{@link #getFenceCharacter()}} were used to start the code
+     * block) if available, or null otherwise
+     */
+    public Integer getOpeningFenceLength() {
+        return openingFenceLength;
     }
 
-    public void setFenceLength(int fenceLength) {
-        this.fenceLength = fenceLength;
+    public void setOpeningFenceLength(Integer openingFenceLength) {
+        if (openingFenceLength != null && openingFenceLength < 3) {
+            throw new IllegalArgumentException("openingFenceLength needs to be >= 3");
+        }
+        checkFenceLengths(openingFenceLength, closingFenceLength);
+        this.openingFenceLength = openingFenceLength;
+    }
+
+    /**
+     * @return the length of the closing fence (how many of {@link #getFenceCharacter()} were used to end the code
+     * block) if available, or null otherwise
+     */
+    public Integer getClosingFenceLength() {
+        return closingFenceLength;
+    }
+
+    public void setClosingFenceLength(Integer closingFenceLength) {
+        if (closingFenceLength != null && closingFenceLength < 3) {
+            throw new IllegalArgumentException("closingFenceLength needs to be >= 3");
+        }
+        checkFenceLengths(openingFenceLength, closingFenceLength);
+        this.closingFenceLength = closingFenceLength;
     }
 
     public int getFenceIndent() {
@@ -56,4 +84,44 @@ public String getLiteral() {
     public void setLiteral(String literal) {
         this.literal = literal;
     }
+
+    /**
+     * @deprecated use {@link #getFenceCharacter()} instead
+     */
+    @Deprecated
+    public char getFenceChar() {
+        return fenceCharacter != null && !fenceCharacter.isEmpty() ? fenceCharacter.charAt(0) : '\0';
+    }
+
+    /**
+     * @deprecated use {@link #setFenceCharacter} instead
+     */
+    @Deprecated
+    public void setFenceChar(char fenceChar) {
+        this.fenceCharacter = fenceChar != '\0' ? String.valueOf(fenceChar) : null;
+    }
+
+    /**
+     * @deprecated use {@link #getOpeningFenceLength} instead
+     */
+    @Deprecated
+    public int getFenceLength() {
+        return openingFenceLength != null ? openingFenceLength : 0;
+    }
+
+    /**
+     * @deprecated use {@link #setOpeningFenceLength} instead
+     */
+    @Deprecated
+    public void setFenceLength(int fenceLength) {
+        this.openingFenceLength = fenceLength != 0 ? fenceLength : null;
+    }
+
+    private static void checkFenceLengths(Integer openingFenceLength, Integer closingFenceLength) {
+        if (openingFenceLength != null && closingFenceLength != null) {
+            if (closingFenceLength < openingFenceLength) {
+                throw new IllegalArgumentException("fence lengths required to be: closingFenceLength >= openingFenceLength");
+            }
+        }
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index d5770155a..229d9d262 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -147,10 +147,25 @@ public void visit(IndentedCodeBlock indentedCodeBlock) {
     }
 
     @Override
-    public void visit(FencedCodeBlock fencedCodeBlock) {
-        String literal = fencedCodeBlock.getLiteral();
-        String fence = repeat(String.valueOf(fencedCodeBlock.getFenceChar()), fencedCodeBlock.getFenceLength());
-        int indent = fencedCodeBlock.getFenceIndent();
+    public void visit(FencedCodeBlock codeBlock) {
+        String literal = codeBlock.getLiteral();
+        String fenceChar = codeBlock.getFenceCharacter() != null ? codeBlock.getFenceCharacter() : "`";
+        int openingFenceLength;
+        if (codeBlock.getOpeningFenceLength() != null) {
+            // If we have a known fence length, use it
+            openingFenceLength = codeBlock.getOpeningFenceLength();
+        } else {
+            // Otherwise, calculate the closing fence length pessimistically, e.g. if the code block itself contains a
+            // line with ```, we need to use a fence of length 4. If ``` occurs with non-whitespace characters on a
+            // line, we technically don't need a longer fence, but it's not incorrect to do so.
+            int fenceCharsInLiteral = findMaxRunLength(fenceChar, literal);
+            openingFenceLength = Math.max(fenceCharsInLiteral + 1, 3);
+        }
+        int closingFenceLength = codeBlock.getClosingFenceLength() != null ? codeBlock.getClosingFenceLength() : openingFenceLength;
+
+        String openingFence = repeat(fenceChar, openingFenceLength);
+        String closingFence = repeat(fenceChar, closingFenceLength);
+        int indent = codeBlock.getFenceIndent();
 
         if (indent > 0) {
             String indentPrefix = repeat(" ", indent);
@@ -158,9 +173,9 @@ public void visit(FencedCodeBlock fencedCodeBlock) {
             writer.pushPrefix(indentPrefix);
         }
 
-        writer.raw(fence);
-        if (fencedCodeBlock.getInfo() != null) {
-            writer.raw(fencedCodeBlock.getInfo());
+        writer.raw(openingFence);
+        if (codeBlock.getInfo() != null) {
+            writer.raw(codeBlock.getInfo());
         }
         writer.line();
         if (!literal.isEmpty()) {
@@ -170,7 +185,7 @@ public void visit(FencedCodeBlock fencedCodeBlock) {
                 writer.line();
             }
         }
-        writer.raw(fence);
+        writer.raw(closingFence);
         if (indent > 0) {
             writer.popPrefix();
         }
@@ -259,7 +274,7 @@ public void visit(ListItem listItem) {
     public void visit(Code code) {
         String literal = code.getLiteral();
         // If the literal includes backticks, we can surround them by using one more backtick.
-        int backticks = findMaxRunLength('`', literal);
+        int backticks = findMaxRunLength("`", literal);
         for (int i = 0; i < backticks + 1; i++) {
             writer.raw('`');
         }
@@ -411,19 +426,22 @@ protected void visitChildren(Node parent) {
         }
     }
 
-    private static int findMaxRunLength(char c, CharSequence s) {
-        int backticks = 0;
-        int start = 0;
-        while (start < s.length()) {
-            int index = Characters.find(c, s, start);
-            if (index != -1) {
-                start = Characters.skip(c, s, index + 1, s.length());
-                backticks = Math.max(backticks, start - index);
-            } else {
-                break;
+    private static int findMaxRunLength(String needle, String s) {
+        int maxRunLength = 0;
+        int pos = 0;
+        while (pos < s.length()) {
+            pos = s.indexOf(needle, pos);
+            if (pos == -1) {
+                return maxRunLength;
             }
+            int runLength = 0;
+            do {
+                pos += needle.length();
+                runLength++;
+            } while (s.startsWith(needle, pos));
+            maxRunLength = Math.max(runLength, maxRunLength);
         }
-        return backticks;
+        return maxRunLength;
     }
 
     private static boolean contains(String s, CharMatcher charMatcher) {
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 522b16cd4..91af1bfe8 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -52,6 +52,23 @@ public void testFencedCodeBlocks() {
         assertRoundTrip("```info\ntest\n```\n");
         assertRoundTrip(" ```\n test\n ```\n");
         assertRoundTrip("```\n```\n");
+
+        // Preserve the length
+        assertRoundTrip("````\ntest\n````\n");
+        assertRoundTrip("~~~\ntest\n~~~~~~\n");
+    }
+
+    @Test
+    public void testFencedCodeBlocksFromAst() {
+        var doc = new Document();
+        var codeBlock = new FencedCodeBlock();
+        codeBlock.setLiteral("hi code");
+        doc.appendChild(codeBlock);
+
+        assertRendering("", "```\nhi code\n```\n", render(doc));
+
+        codeBlock.setLiteral("hi`\n```\n``test");
+        assertRendering("", "````\nhi`\n```\n``test\n````\n", render(doc));
     }
 
     @Test

From c5fe4195e5af114b6d38b9809160a8c82e1e98e1 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 15 Mar 2024 16:47:34 +1100
Subject: [PATCH 256/450] Prepare CHANGELOG for release 0.22

---
 CHANGELOG.md                                  | 38 +++++++++++++++----
 .../renderer/markdown/MarkdownRenderer.java   |  1 +
 2 files changed, 32 insertions(+), 7 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 52502922b..e31b8d15a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,13 +6,37 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## [Unreleased]
-### Changed
-- Modular JAR: Require at least Java 11 and add a module descriptor (module-info),
-  remove no longer necessary `Automatic-Module-Name` header
+## [0.22.0] - 2024-03-15
+### Added
+- New `MarkdownRenderer` for rendering nodes to Markdown (CommonMark)!
+  Note that while care is taken to produce equivalent Markdown, some differences
+  in the original Markdown (if parsed) are not preserved, such as:
+  - The type of heading used
+  - The type of link used (reference links will be rendered as inline links)
+  - Whether special characters are escaped or not
+  - Leading and trailing whitespace
+- Modular JAR (JPMS): All artifacts now include module descriptors (module-info)
+  so jlink can be used; the old `Automatic-Module-Name` manifest entries were removed
 - New package `org.commonmark.parser.beta` containing classes that are not part of
-  the stable API but are exported from the module (because they might be useful for
-  extension parsers).
+  the stable API but are exported from the module because they might be useful for
+  extension parsers
+- New package `org.commonmark.text` for text related utilities that are useful for
+  both parsing and rendering
+- `TableCell` now has `getWidth` returning the number of dash and colon characters
+  in the delimiter row, useful for rendering proportional width tables (#296)
+- `ThematicBreak` now has `getLiteral` containing the string that was used in the
+  source when parsing (#309)
+- `ListItem` now has `getMarkerIndent` and `getContentIndent` for retrieving the
+  space between the start of the line and the marker/content
+- Deprecated a some properties of `BulletList`, `OrderedList`, `FencedCodeBlock`
+  and replaced with nullable ones because they might not be set when constructing
+  these nodes manually instead of via parsing
+### Changed
+- Java 11 or later is now required (dropping support for Java 8)
+- Update to CommonMark spec 0.31.2
+### Fixed
+- Fix `LinkReferenceDefinition` having null `SourceSpan` when title is present
+  and parsing with source spans option enabled (#310)
 
 ## [0.21.0] - 2022-11-17
 ### Added
@@ -387,7 +411,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
-[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.21.0...HEAD
+[0.22.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.21.0...commonmark-parent-0.22.0
 [0.21.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.20.0...commonmark-parent-0.21.0
 [0.20.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.19.0...commonmark-parent-0.20.0
 [0.19.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.18.2...commonmark-parent-0.19.0
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
index 25fa9a142..2ee89ea1a 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
@@ -14,6 +14,7 @@
  * Note that it doesn't currently preserve the exact syntax of the original input Markdown (if any):
  * <ul>
  *     <li>Headings are output as ATX headings if possible (multi-line headings need Setext headings)</li>
+ *     <li>Links are always rendered as inline links (no support for reference links yet)</li>
  *     <li>Escaping might be over-eager, e.g. a plain {@code *} might be escaped
  *     even though it doesn't need to be in that particular context</li>
  *     <li>Leading whitespace in paragraphs is not preserved</li>

From bd4012e857618f929efaff5b715038e9fcbd5c0c Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 15 Mar 2024 16:52:10 +1100
Subject: [PATCH 257/450] Prepare for version 0.22.0

Set the version using `mvn versions:set -DnewVersion=0.22.0-SNAPSHOT`
---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 22 +++++++++++-----------
 12 files changed, 22 insertions(+), 22 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 2f70f7a0e..44cbe413d 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.1-SNAPSHOT</version>
+        <version>0.22.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index b452073ab..e984528fb 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.1-SNAPSHOT</version>
+        <version>0.22.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 01fe2b23c..14d46f4b5 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.1-SNAPSHOT</version>
+        <version>0.22.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 330490ea6..035dde70d 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.1-SNAPSHOT</version>
+        <version>0.22.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 6fbec9007..b5ca6069f 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.1-SNAPSHOT</version>
+        <version>0.22.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 68e5f627b..0d1581b2a 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.1-SNAPSHOT</version>
+        <version>0.22.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 3e3bebf32..6e44d5141 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.1-SNAPSHOT</version>
+        <version>0.22.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 97bdc5c48..979533249 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.21.1-SNAPSHOT</version>
+        <version>0.22.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index da5146a15..5eb9c4f27 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.1-SNAPSHOT</version>
+        <version>0.22.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index ce332e6c2..68f1f1c96 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.1-SNAPSHOT</version>
+        <version>0.22.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 524ba9c42..369d4eb24 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.21.1-SNAPSHOT</version>
+        <version>0.22.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 4eac3b7b2..2def77372 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.21.1-SNAPSHOT</version>
+    <version>0.22.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -111,52 +111,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.21.1-SNAPSHOT</version>
+                <version>0.22.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.21.1-SNAPSHOT</version>
+                <version>0.22.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.21.1-SNAPSHOT</version>
+                <version>0.22.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.21.1-SNAPSHOT</version>
+                <version>0.22.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.21.1-SNAPSHOT</version>
+                <version>0.22.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.21.1-SNAPSHOT</version>
+                <version>0.22.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.21.1-SNAPSHOT</version>
+                <version>0.22.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.21.1-SNAPSHOT</version>
+                <version>0.22.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.21.1-SNAPSHOT</version>
+                <version>0.22.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.21.1-SNAPSHOT</version>
+                <version>0.22.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From 913d4386c5dbccbacabee8458a0098d53d5f00f2 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Fri, 15 Mar 2024 11:47:03 +0000
Subject: [PATCH 258/450] [maven-release-plugin] prepare release
 commonmark-parent-0.22.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 44cbe413d..0d9f6098e 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0-SNAPSHOT</version>
+        <version>0.22.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index e984528fb..0cd3dd435 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0-SNAPSHOT</version>
+        <version>0.22.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 14d46f4b5..0a0873667 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0-SNAPSHOT</version>
+        <version>0.22.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 035dde70d..0238d40cb 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0-SNAPSHOT</version>
+        <version>0.22.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index b5ca6069f..21c8c43c8 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0-SNAPSHOT</version>
+        <version>0.22.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 0d1581b2a..3c49491d9 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0-SNAPSHOT</version>
+        <version>0.22.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 6e44d5141..15e2bc0a5 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0-SNAPSHOT</version>
+        <version>0.22.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 979533249..d0acc4176 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.22.0-SNAPSHOT</version>
+        <version>0.22.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 5eb9c4f27..9558a65b8 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0-SNAPSHOT</version>
+        <version>0.22.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 68f1f1c96..58a8c94ac 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0-SNAPSHOT</version>
+        <version>0.22.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 369d4eb24..c6501f806 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0-SNAPSHOT</version>
+        <version>0.22.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 2def77372..693760923 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.22.0-SNAPSHOT</version>
+    <version>0.22.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -111,52 +111,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.22.0-SNAPSHOT</version>
+                <version>0.22.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.22.0-SNAPSHOT</version>
+                <version>0.22.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.22.0-SNAPSHOT</version>
+                <version>0.22.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.22.0-SNAPSHOT</version>
+                <version>0.22.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.22.0-SNAPSHOT</version>
+                <version>0.22.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.22.0-SNAPSHOT</version>
+                <version>0.22.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.22.0-SNAPSHOT</version>
+                <version>0.22.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.22.0-SNAPSHOT</version>
+                <version>0.22.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.22.0-SNAPSHOT</version>
+                <version>0.22.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.22.0-SNAPSHOT</version>
+                <version>0.22.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -281,7 +281,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.22.0</tag>
     </scm>
 
     <distributionManagement>

From 5ba9c7859908e1d8d616f89285b54b04a55c47c7 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Fri, 15 Mar 2024 11:47:04 +0000
Subject: [PATCH 259/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 12 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 0d9f6098e..8bd242049 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 0cd3dd435..b119b57f8 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 0a0873667..5c031287e 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 0238d40cb..a7b16ef1c 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 21c8c43c8..ed654760f 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 3c49491d9..2e00c6c16 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 15e2bc0a5..68b56e950 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index d0acc4176..7ecf7336d 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.22.0</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 9558a65b8..bbd4c8a74 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 58a8c94ac..dd115fdad 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index c6501f806..bcb5b3bf0 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.0</version>
+        <version>0.22.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 693760923..d4e49cd80 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.22.0</version>
+    <version>0.22.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -111,52 +111,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.22.0</version>
+                <version>0.22.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.22.0</version>
+                <version>0.22.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.22.0</version>
+                <version>0.22.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.22.0</version>
+                <version>0.22.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.22.0</version>
+                <version>0.22.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.22.0</version>
+                <version>0.22.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.22.0</version>
+                <version>0.22.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.22.0</version>
+                <version>0.22.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.22.0</version>
+                <version>0.22.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.22.0</version>
+                <version>0.22.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -281,7 +281,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.22.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From b570e1bda7732c37b748155fb5dc2716c0517a20 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 6 Apr 2024 12:06:32 +0700
Subject: [PATCH 260/450] Fix link reference definition parsing with invalid
 title

An input like this:

```
[foo]: /url
"title" bad
```

Means the second line is just a paragraph because only spaces/tabs are allowed
after a title. The parser used to set the title to "title" in this case and
assign the source span of the second line to the definition, which is wrong.

Fixes #315.
---
 CHANGELOG.md                                  |  7 ++++++
 .../LinkReferenceDefinitionParser.java        | 10 ++++++--
 .../LinkReferenceDefinitionParserTest.java    | 24 +++++++++++++++++++
 .../org/commonmark/test/SourceSpansTest.java  |  9 +++++++
 4 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e31b8d15a..df6beb202 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## Unreleased
+### Fixed
+- Fix parsing of link reference definitions where it looks like it has a title
+  but it doesn't because it's followed by characters other than space/tab. In that
+  case, the title was set to the partially-parsed title and the source spans were
+  wrong (#315).
+
 ## [0.22.0] - 2024-03-15
 ### Added
 - New `MarkdownRenderer` for rendering nodes to Markdown (CommonMark)!
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index ebe6ebb23..b58e669ef 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -15,7 +15,7 @@
 /**
  * Parser for link reference definitions at the beginning of a paragraph.
  *
- * @see <a href="https://spec.commonmark.org/0.29/#link-reference-definition">Link reference definitions</a>
+ * @see <a href="https://spec.commonmark.org/0.31.2/#link-reference-definitions">Link reference definitions</a>
  */
 public class LinkReferenceDefinitionParser {
 
@@ -70,6 +70,9 @@ public void parse(SourceLine line) {
             // Parsing failed, which means we fall back to treating text as a paragraph.
             if (!success) {
                 state = State.PARAGRAPH;
+                // If parsing of the title part failed, we still have a valid reference that we can add, and we need to
+                // do it before the source span for this line is added.
+                finishReference();
                 return;
             }
         }
@@ -218,7 +221,8 @@ private boolean startTitle(Scanner scanner) {
     private boolean title(Scanner scanner) {
         Position start = scanner.position();
         if (!LinkScanner.scanLinkTitleContent(scanner, titleDelimiter)) {
-            // Invalid title, stop
+            // Invalid title, stop. Title collected so far must not be used.
+            title = null;
             return false;
         }
 
@@ -235,6 +239,8 @@ private boolean title(Scanner scanner) {
         scanner.whitespace();
         if (scanner.hasNext()) {
             // spec: No further non-whitespace characters may occur on the line.
+            // Title collected so far must not be used.
+            title = null;
             return false;
         }
         referenceValid = true;
diff --git a/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java b/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
index b4f57739b..3f22adac6 100644
--- a/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
@@ -145,6 +145,30 @@ public void testTitleMultiline2() {
         assertDef(parser.getDefinitions().get(0), "foo", "/url", "\ntitle");
     }
 
+    @Test
+    public void testTitleMultiline3() {
+        parse("[foo]: /url");
+        assertEquals(State.START_TITLE, parser.getState());
+        // Note that this looks like a valid title until we parse "bad", at which point we need to treat the whole line
+        // as a paragraph line and discard any already parsed title.
+        parse("\"title\" bad");
+        assertEquals(State.PARAGRAPH, parser.getState());
+
+        assertDef(parser.getDefinitions().get(0), "foo", "/url", null);
+    }
+
+    @Test
+    public void testTitleMultiline4() {
+        parse("[foo]: /url");
+        assertEquals(State.START_TITLE, parser.getState());
+        parse("(title");
+        assertEquals(State.TITLE, parser.getState());
+        parse("foo(");
+        assertEquals(State.PARAGRAPH, parser.getState());
+
+        assertDef(parser.getDefinitions().get(0), "foo", "/url", null);
+    }
+
     @Test
     public void testTitleInvalid() {
         assertParagraph("[foo]: /url (invalid(");
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index 959598935..59241e49d 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -183,6 +183,15 @@ public void linkReferenceDefinitionWithTitle() {
         assertEquals(List.of(SourceSpan.of(1, 0, 11)), def2.getSourceSpans());
     }
 
+    @Test
+    public void linkReferenceDefinitionWithTitleInvalid() {
+        var doc = PARSER.parse("[foo]: /url\n\"title\" ok\n");
+        var def = Nodes.find(doc, LinkReferenceDefinition.class);
+        var paragraph = Nodes.find(doc, Paragraph.class);
+        assertEquals(List.of(SourceSpan.of(0, 0, 11)), def.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 0, 10)), paragraph.getSourceSpans());
+    }
+
     @Test
     public void linkReferenceDefinitionHeading() {
         // This is probably the trickiest because we have a link reference definition at the start of a paragraph

From d8fce115d75114586f233ae9e74c9ac20753eeb1 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 16 Apr 2024 00:02:37 +1000
Subject: [PATCH 261/450] Add getTriggerCharacter to InlineContentParser,
 calculate inline parsers

---
 .../commonmark/internal/InlineParserImpl.java | 63 ++++++++++---------
 .../internal/inline/AutolinkInlineParser.java |  5 ++
 .../inline/BackslashInlineParser.java         |  5 ++
 .../inline/BackticksInlineParser.java         |  5 ++
 .../internal/inline/EntityInlineParser.java   |  5 ++
 .../internal/inline/HtmlInlineParser.java     |  5 ++
 .../internal/inline/InlineContentParser.java  | 13 ++++
 .../internal/inline/InlineParserState.java    |  4 +-
 8 files changed, 73 insertions(+), 32 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 113e80db9..e5a07091b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -16,10 +16,10 @@
 
 public class InlineParserImpl implements InlineParser, InlineParserState {
 
-    private final BitSet specialCharacters;
-    private final Map<Character, DelimiterProcessor> delimiterProcessors;
     private final InlineParserContext context;
     private final Map<Character, List<InlineContentParser>> inlineParsers;
+    private final Map<Character, DelimiterProcessor> delimiterProcessors;
+    private final BitSet specialCharacters;
 
     private Scanner scanner;
     private boolean includeSourceSpans;
@@ -37,45 +37,28 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
     private Bracket lastBracket;
 
     public InlineParserImpl(InlineParserContext inlineParserContext) {
-        this.delimiterProcessors = calculateDelimiterProcessors(inlineParserContext.getCustomDelimiterProcessors());
-
         this.context = inlineParserContext;
-        this.inlineParsers = new HashMap<>();
-        this.inlineParsers.put('\\', Collections.<InlineContentParser>singletonList(new BackslashInlineParser()));
-        this.inlineParsers.put('`', Collections.<InlineContentParser>singletonList(new BackticksInlineParser()));
-        this.inlineParsers.put('&', Collections.<InlineContentParser>singletonList(new EntityInlineParser()));
-        this.inlineParsers.put('<', Arrays.asList(new AutolinkInlineParser(), new HtmlInlineParser()));
-
+        this.inlineParsers = calculateInlineContentParsers();
+        this.delimiterProcessors = calculateDelimiterProcessors(inlineParserContext.getCustomDelimiterProcessors());
         this.specialCharacters = calculateSpecialCharacters(this.delimiterProcessors.keySet(), inlineParsers.keySet());
     }
 
-    public static BitSet calculateSpecialCharacters(Set<Character> delimiterCharacters, Set<Character> characters) {
-        BitSet bitSet = new BitSet();
-        for (Character c : delimiterCharacters) {
-            bitSet.set(c);
+    private static Map<Character, List<InlineContentParser>> calculateInlineContentParsers() {
+        var map = new HashMap<Character, List<InlineContentParser>>();
+        for (var parser : List.of(new BackslashInlineParser(), new BackticksInlineParser(), new EntityInlineParser(),
+                new AutolinkInlineParser(), new HtmlInlineParser())) {
+            map.computeIfAbsent(parser.getTriggerCharacter(), k -> new ArrayList<>()).add(parser);
         }
-        for (Character c : characters) {
-            bitSet.set(c);
-        }
-        bitSet.set('[');
-        bitSet.set(']');
-        bitSet.set('!');
-        bitSet.set('\n');
-        return bitSet;
+        return map;
     }
 
-    public static Map<Character, DelimiterProcessor> calculateDelimiterProcessors(List<DelimiterProcessor> delimiterProcessors) {
-        Map<Character, DelimiterProcessor> map = new HashMap<>();
-        addDelimiterProcessors(Arrays.<DelimiterProcessor>asList(new AsteriskDelimiterProcessor(), new UnderscoreDelimiterProcessor()), map);
+    private static Map<Character, DelimiterProcessor> calculateDelimiterProcessors(List<DelimiterProcessor> delimiterProcessors) {
+        var map = new HashMap<Character, DelimiterProcessor>();
+        addDelimiterProcessors(List.of(new AsteriskDelimiterProcessor(), new UnderscoreDelimiterProcessor()), map);
         addDelimiterProcessors(delimiterProcessors, map);
         return map;
     }
 
-    @Override
-    public Scanner scanner() {
-        return scanner;
-    }
-
     private static void addDelimiterProcessors(Iterable<DelimiterProcessor> delimiterProcessors, Map<Character, DelimiterProcessor> map) {
         for (DelimiterProcessor delimiterProcessor : delimiterProcessors) {
             char opening = delimiterProcessor.getOpeningCharacter();
@@ -109,6 +92,26 @@ private static void addDelimiterProcessorForChar(char delimiterChar, DelimiterPr
         }
     }
 
+    private static BitSet calculateSpecialCharacters(Set<Character> delimiterCharacters, Set<Character> characters) {
+        BitSet bitSet = new BitSet();
+        for (Character c : delimiterCharacters) {
+            bitSet.set(c);
+        }
+        for (Character c : characters) {
+            bitSet.set(c);
+        }
+        bitSet.set('[');
+        bitSet.set(']');
+        bitSet.set('!');
+        bitSet.set('\n');
+        return bitSet;
+    }
+
+    @Override
+    public Scanner scanner() {
+        return scanner;
+    }
+
     /**
      * Parse content in block into inline children, appending them to the block node.
      */
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index 36c43e196..1d27f43c9 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -19,6 +19,11 @@ public class AutolinkInlineParser implements InlineContentParser {
     private static final Pattern EMAIL = Pattern
             .compile("^([a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$");
 
+    @Override
+    public char getTriggerCharacter() {
+        return '<';
+    }
+
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
index 02c136951..768875174 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
@@ -15,6 +15,11 @@ public class BackslashInlineParser implements InlineContentParser {
 
     private static final Pattern ESCAPABLE = Pattern.compile('^' + Escaping.ESCAPABLE);
 
+    @Override
+    public char getTriggerCharacter() {
+        return '\\';
+    }
+
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index bef8e1f99..1c12b2fd4 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -12,6 +12,11 @@
  */
 public class BackticksInlineParser implements InlineContentParser {
 
+    @Override
+    public char getTriggerCharacter() {
+        return '`';
+    }
+
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
index 2b7d296fb..4dfd94e9f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
@@ -16,6 +16,11 @@ public class EntityInlineParser implements InlineContentParser {
     private static final AsciiMatcher entityStart = AsciiMatcher.builder().range('A', 'Z').range('a', 'z').build();
     private static final AsciiMatcher entityContinue = entityStart.newBuilder().range('0', '9').build();
 
+    @Override
+    public char getTriggerCharacter() {
+        return '&';
+    }
+
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index 6dc525cb9..f776691df 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -26,6 +26,11 @@ public class HtmlInlineParser implements InlineContentParser {
             .c('"').c('\'').c('=').c('<').c('>').c('`')
             .build();
 
+    @Override
+    public char getTriggerCharacter() {
+        return '<';
+    }
+
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
index 755ee3135..2dcaf1653 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
@@ -2,5 +2,18 @@
 
 public interface InlineContentParser {
 
+    /**
+     * An inline content parser needs to have a special "trigger" character which activates it. If this character is
+     * encountered during inline parsing, {@link #tryParse} is called with the current parser state.
+     */
+    char getTriggerCharacter();
+
+    /**
+     * Try to parse the inline content. Note that the character at the current position is the
+     * {@link #getTriggerCharacter()}.
+     *
+     * @param inlineParserState the current state of the inline parser
+     * @return the result of parsing; can indicate that this parser is not interested, or that parsing was successful
+     */
     ParsedInline tryParse(InlineParserState inlineParserState);
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
index ea8689be5..ba7369617 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
@@ -6,8 +6,8 @@
 public interface InlineParserState {
 
     /**
-     * Return a scanner for the input for the current position (on the character that the inline parser registered
-     * interest for).
+     * Return a scanner for the input for the current position (on the trigger character that the inline parser was
+     * added for).
      * <p>
      * Note that this always returns the same instance, if you want to backtrack you need to use
      * {@link Scanner#position()} and {@link Scanner#setPosition(Position)}.

From 1c0259d93d14ab3a7f12a45db78d19d04c5e011a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 16 Apr 2024 00:14:46 +1000
Subject: [PATCH 262/450] Cleanups

---
 .../commonmark/internal/InlineParserImpl.java | 25 +++++++++----------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index e5a07091b..364484a7c 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -120,14 +120,13 @@ public void parse(SourceLines lines, Node block) {
         reset(lines);
 
         while (true) {
-            List<? extends Node> nodes = parseInline();
-            if (nodes != null) {
-                for (Node node : nodes) {
-                    block.appendChild(node);
-                }
-            } else {
+            var nodes = parseInline();
+            if (nodes == null) {
                 break;
             }
+            for (Node node : nodes) {
+                block.appendChild(node);
+            }
         }
 
         processDelimiters(null);
@@ -158,20 +157,20 @@ private List<? extends Node> parseInline() {
 
         switch (c) {
             case '[':
-                return Collections.singletonList(parseOpenBracket());
+                return List.of(parseOpenBracket());
             case '!':
-                return Collections.singletonList(parseBang());
+                return List.of(parseBang());
             case ']':
-                return Collections.singletonList(parseCloseBracket());
+                return List.of(parseCloseBracket());
             case '\n':
-                return Collections.singletonList(parseLineBreak());
+                return List.of(parseLineBreak());
             case Scanner.END:
                 return null;
         }
 
         // No inline parser, delimiter or other special handling.
         if (!specialCharacters.get(c)) {
-            return Collections.singletonList(parseText());
+            return List.of(parseText());
         }
 
         List<InlineContentParser> inlineParsers = this.inlineParsers.get(c);
@@ -186,7 +185,7 @@ private List<? extends Node> parseInline() {
                     if (includeSourceSpans && node.getSourceSpans().isEmpty()) {
                         node.setSourceSpans(scanner.getSource(position, scanner.position()).getSourceSpans());
                     }
-                    return Collections.singletonList(node);
+                    return List.of(node);
                 } else {
                     // Reset position
                     scanner.setPosition(position);
@@ -203,7 +202,7 @@ private List<? extends Node> parseInline() {
         }
 
         // If we get here, even for a special/delimiter character, we will just treat it as text.
-        return Collections.singletonList(parseText());
+        return List.of(parseText());
     }
 
     /**

From 0dc0c2ececf045241dd5b79f28527124df4aef47 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 16 Apr 2024 22:23:58 +1000
Subject: [PATCH 263/450] Add customInlineContentParser and use in inline
 parsing

---
 .../commonmark/internal/DocumentParser.java   |  8 ++-
 .../internal/InlineParserContextImpl.java     | 12 +++-
 .../commonmark/internal/InlineParserImpl.java | 14 +++--
 .../parser/InlineParserContext.java           |  6 ++
 .../java/org/commonmark/parser/Parser.java    | 41 +++++++++-----
 .../parser/CustomInlineContentParserTest.java | 55 +++++++++++++++++++
 .../test/InlineParserContextTest.java         |  6 ++
 7 files changed, 119 insertions(+), 23 deletions(-)
 create mode 100644 commonmark/src/test/java/org/commonmark/parser/CustomInlineContentParserTest.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 2cc37e306..89bedf8cb 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -1,5 +1,6 @@
 package org.commonmark.internal;
 
+import org.commonmark.internal.inline.InlineContentParser;
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
 import org.commonmark.parser.*;
@@ -66,6 +67,7 @@ public class DocumentParser implements ParserState {
 
     private final List<BlockParserFactory> blockParserFactories;
     private final InlineParserFactory inlineParserFactory;
+    private final List<InlineContentParser> inlineContentParsers;
     private final List<DelimiterProcessor> delimiterProcessors;
     private final IncludeSourceSpans includeSourceSpans;
     private final DocumentBlockParser documentBlockParser;
@@ -75,9 +77,11 @@ public class DocumentParser implements ParserState {
     private final List<BlockParser> allBlockParsers = new ArrayList<>();
 
     public DocumentParser(List<BlockParserFactory> blockParserFactories, InlineParserFactory inlineParserFactory,
-                          List<DelimiterProcessor> delimiterProcessors, IncludeSourceSpans includeSourceSpans) {
+                          List<InlineContentParser> inlineContentParsers, List<DelimiterProcessor> delimiterProcessors,
+                          IncludeSourceSpans includeSourceSpans) {
         this.blockParserFactories = blockParserFactories;
         this.inlineParserFactory = inlineParserFactory;
+        this.inlineContentParsers = inlineContentParsers;
         this.delimiterProcessors = delimiterProcessors;
         this.includeSourceSpans = includeSourceSpans;
 
@@ -477,7 +481,7 @@ private void addDefinitionsFrom(ParagraphParser paragraphParser) {
      * Walk through a block & children recursively, parsing string content into inline content where appropriate.
      */
     private void processInlines() {
-        InlineParserContextImpl context = new InlineParserContextImpl(delimiterProcessors, definitions);
+        InlineParserContextImpl context = new InlineParserContextImpl(inlineContentParsers, delimiterProcessors, definitions);
         InlineParser inlineParser = inlineParserFactory.create(context);
 
         for (BlockParser blockParser : allBlockParsers) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
index f485614d5..7354d9b88 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
@@ -1,23 +1,31 @@
 package org.commonmark.internal;
 
+import org.commonmark.internal.inline.InlineContentParser;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.util.List;
-import java.util.Map;
 
 public class InlineParserContextImpl implements InlineParserContext {
 
+    private final List<InlineContentParser> inlineContentParsers;
     private final List<DelimiterProcessor> delimiterProcessors;
     private final LinkReferenceDefinitions linkReferenceDefinitions;
 
-    public InlineParserContextImpl(List<DelimiterProcessor> delimiterProcessors,
+    public InlineParserContextImpl(List<InlineContentParser> inlineContentParsers,
+                                   List<DelimiterProcessor> delimiterProcessors,
                                    LinkReferenceDefinitions linkReferenceDefinitions) {
+        this.inlineContentParsers = inlineContentParsers;
         this.delimiterProcessors = delimiterProcessors;
         this.linkReferenceDefinitions = linkReferenceDefinitions;
     }
 
+    @Override
+    public List<InlineContentParser> getCustomInlineContentParsers() {
+        return inlineContentParsers;
+    }
+
     @Override
     public List<DelimiterProcessor> getCustomDelimiterProcessors() {
         return delimiterProcessors;
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 364484a7c..82caed36c 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -36,15 +36,19 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
      */
     private Bracket lastBracket;
 
-    public InlineParserImpl(InlineParserContext inlineParserContext) {
-        this.context = inlineParserContext;
-        this.inlineParsers = calculateInlineContentParsers();
-        this.delimiterProcessors = calculateDelimiterProcessors(inlineParserContext.getCustomDelimiterProcessors());
+    public InlineParserImpl(InlineParserContext context) {
+        this.context = context;
+        this.inlineParsers = calculateInlineContentParsers(context.getCustomInlineContentParsers());
+        this.delimiterProcessors = calculateDelimiterProcessors(context.getCustomDelimiterProcessors());
         this.specialCharacters = calculateSpecialCharacters(this.delimiterProcessors.keySet(), inlineParsers.keySet());
     }
 
-    private static Map<Character, List<InlineContentParser>> calculateInlineContentParsers() {
+    private static Map<Character, List<InlineContentParser>> calculateInlineContentParsers(List<InlineContentParser> inlineContentParsers) {
         var map = new HashMap<Character, List<InlineContentParser>>();
+        // Custom parsers can override built-in parsers if they want, so make sure they are tried first
+        for (var parser : inlineContentParsers) {
+            map.computeIfAbsent(parser.getTriggerCharacter(), k -> new ArrayList<>()).add(parser);
+        }
         for (var parser : List.of(new BackslashInlineParser(), new BackticksInlineParser(), new EntityInlineParser(),
                 new AutolinkInlineParser(), new HtmlInlineParser())) {
             map.computeIfAbsent(parser.getTriggerCharacter(), k -> new ArrayList<>()).add(parser);
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
index dae96e2c8..7c41f8c9a 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
@@ -1,5 +1,6 @@
 package org.commonmark.parser;
 
+import org.commonmark.internal.inline.InlineContentParser;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
@@ -10,6 +11,11 @@
  */
 public interface InlineParserContext {
 
+    /**
+     * @return custom inline content parsers that have been configured with {@link Parser.Builder#customInlineContentParser(InlineContentParser)}
+     */
+    List<InlineContentParser> getCustomInlineContentParsers();
+
     /**
      * @return custom delimiter processors that have been configured with {@link Parser.Builder#customDelimiterProcessor(DelimiterProcessor)}
      */
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 89cdd584c..cb38c5b0b 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -5,6 +5,7 @@
 import org.commonmark.internal.InlineParserContextImpl;
 import org.commonmark.internal.InlineParserImpl;
 import org.commonmark.internal.LinkReferenceDefinitions;
+import org.commonmark.internal.inline.InlineContentParser;
 import org.commonmark.node.*;
 import org.commonmark.parser.block.BlockParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
@@ -13,6 +14,7 @@
 import java.io.Reader;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
 import java.util.Set;
 
 
@@ -28,6 +30,7 @@
 public class Parser {
 
     private final List<BlockParserFactory> blockParserFactories;
+    private final List<InlineContentParser> inlineContentParsers;
     private final List<DelimiterProcessor> delimiterProcessors;
     private final InlineParserFactory inlineParserFactory;
     private final List<PostProcessor> postProcessors;
@@ -37,12 +40,13 @@ private Parser(Builder builder) {
         this.blockParserFactories = DocumentParser.calculateBlockParserFactories(builder.blockParserFactories, builder.enabledBlockTypes);
         this.inlineParserFactory = builder.getInlineParserFactory();
         this.postProcessors = builder.postProcessors;
+        this.inlineContentParsers = builder.inlineContentParsers;
         this.delimiterProcessors = builder.delimiterProcessors;
         this.includeSourceSpans = builder.includeSourceSpans;
 
         // Try to construct an inline parser. Invalid configuration might result in an exception, which we want to
         // detect as soon as possible.
-        this.inlineParserFactory.create(new InlineParserContextImpl(delimiterProcessors, new LinkReferenceDefinitions()));
+        this.inlineParserFactory.create(new InlineParserContextImpl(inlineContentParsers, delimiterProcessors, new LinkReferenceDefinitions()));
     }
 
     /**
@@ -100,7 +104,7 @@ public Node parseReader(Reader input) throws IOException {
     }
 
     private DocumentParser createDocumentParser() {
-        return new DocumentParser(blockParserFactories, inlineParserFactory, delimiterProcessors, includeSourceSpans);
+        return new DocumentParser(blockParserFactories, inlineParserFactory, inlineContentParsers, delimiterProcessors, includeSourceSpans);
     }
 
     private Node postProcess(Node document) {
@@ -115,6 +119,7 @@ private Node postProcess(Node document) {
      */
     public static class Builder {
         private final List<BlockParserFactory> blockParserFactories = new ArrayList<>();
+        private final List<InlineContentParser> inlineContentParsers = new ArrayList<>();
         private final List<DelimiterProcessor> delimiterProcessors = new ArrayList<>();
         private final List<PostProcessor> postProcessors = new ArrayList<>();
         private Set<Class<? extends Block>> enabledBlockTypes = DocumentParser.getDefaultBlockParserTypes();
@@ -169,7 +174,7 @@ public Builder extensions(Iterable<? extends Extension> extensions) {
          * </pre>
          *
          * @param enabledBlockTypes A list of block nodes the parser will parse.
-         * If this list is empty, the parser will not recognize any CommonMark core features.
+         *                          If this list is empty, the parser will not recognize any CommonMark core features.
          * @return {@code this}
          */
         public Builder enabledBlockTypes(Set<Class<? extends Block>> enabledBlockTypes) {
@@ -196,7 +201,7 @@ public Builder includeSourceSpans(IncludeSourceSpans includeSourceSpans) {
         }
 
         /**
-         * Adds a custom block parser factory.
+         * Add a custom block parser factory.
          * <p>
          * Note that custom factories are applied <em>before</em> the built-in factories. This is so that
          * extensions can change how some syntax is parsed that would otherwise be handled by built-in factories.
@@ -214,7 +219,23 @@ public Builder customBlockParserFactory(BlockParserFactory blockParserFactory) {
         }
 
         /**
-         * Adds a custom delimiter processor.
+         * Add a custom inline content parser, for additional inline parsing or overriding built-in parsing.
+         * <p>
+         * Note that parsers are triggered based on a special character as specified by
+         * {@link InlineContentParser#getTriggerCharacter()}. It is possible to register multiple parsers for the same
+         * character, or even for some built-in special character such as {@code `}.
+         *
+         * @param inlineContentParser
+         * @return
+         */
+        public Builder customInlineContentParser(InlineContentParser inlineContentParser) {
+            Objects.requireNonNull(inlineContentParser, "inlineContentParser must not be null");
+            inlineContentParsers.add(inlineContentParser);
+            return this;
+        }
+
+        /**
+         * Add a custom delimiter processor.
          * <p>
          * Note that multiple delimiter processors with the same characters can be added, as long as they have a
          * different minimum length. In that case, the processor with the shortest matching length is used. Adding more
@@ -263,15 +284,7 @@ public Builder inlineParserFactory(InlineParserFactory inlineParserFactory) {
         }
 
         private InlineParserFactory getInlineParserFactory() {
-            if (inlineParserFactory != null) {
-                return inlineParserFactory;
-            }
-            return new InlineParserFactory() {
-                @Override
-                public InlineParser create(InlineParserContext inlineParserContext) {
-                    return new InlineParserImpl(inlineParserContext);
-                }
-            };
+            return Objects.requireNonNullElseGet(inlineParserFactory, () -> InlineParserImpl::new);
         }
     }
 
diff --git a/commonmark/src/test/java/org/commonmark/parser/CustomInlineContentParserTest.java b/commonmark/src/test/java/org/commonmark/parser/CustomInlineContentParserTest.java
new file mode 100644
index 000000000..a88053912
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/parser/CustomInlineContentParserTest.java
@@ -0,0 +1,55 @@
+package org.commonmark.parser;
+
+import org.commonmark.internal.inline.InlineContentParser;
+import org.commonmark.internal.inline.InlineParserState;
+import org.commonmark.internal.inline.ParsedInline;
+import org.commonmark.node.CustomNode;
+import org.commonmark.test.Nodes;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class CustomInlineContentParserTest {
+
+    @Test
+    public void customInlineContentParser() {
+        var parser = Parser.builder().customInlineContentParser(new DollarInlineContentParser()).build();
+        var doc = parser.parse("Test: $hey *there*$");
+        var dollarInline = Nodes.find(doc, DollarInline.class);
+        assertEquals("hey *there*", dollarInline.getLiteral());
+    }
+
+    private static class DollarInline extends CustomNode {
+        private final String literal;
+
+        public DollarInline(String literal) {
+            this.literal = literal;
+        }
+
+        public String getLiteral() {
+            return literal;
+        }
+    }
+
+    private static class DollarInlineContentParser implements InlineContentParser {
+        @Override
+        public char getTriggerCharacter() {
+            return '$';
+        }
+
+        @Override
+        public ParsedInline tryParse(InlineParserState inlineParserState) {
+            var scanner = inlineParserState.scanner();
+            scanner.next();
+            var pos = scanner.position();
+
+            var end = scanner.find('$');
+            if (end == -1) {
+                return ParsedInline.none();
+            }
+            var content = scanner.getSource(pos, scanner.position()).getContent();
+            scanner.next();
+            return ParsedInline.of(new DollarInline(content), scanner.position());
+        }
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
index b7d083df3..7fd875703 100644
--- a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
@@ -1,6 +1,7 @@
 package org.commonmark.test;
 
 import org.commonmark.internal.InlineParserImpl;
+import org.commonmark.internal.inline.InlineContentParser;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.InlineParserContext;
@@ -41,6 +42,11 @@ static class CapturingInlineParserFactory implements InlineParserFactory {
         @Override
         public InlineParser create(final InlineParserContext inlineParserContext) {
             InlineParserContext wrappedContext = new InlineParserContext() {
+                @Override
+                public List<InlineContentParser> getCustomInlineContentParsers() {
+                    return inlineParserContext.getCustomInlineContentParsers();
+                }
+
                 @Override
                 public List<DelimiterProcessor> getCustomDelimiterProcessors() {
                     return inlineParserContext.getCustomDelimiterProcessors();

From 07735411f6654700c46c1b6f6d46176f0fe66dc0 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 22 Apr 2024 09:36:38 +1000
Subject: [PATCH 264/450] Add factory so that inline parsers can keep state

---
 .../commonmark/internal/DocumentParser.java   | 10 +--
 .../internal/InlineParserContextImpl.java     | 12 +--
 .../commonmark/internal/InlineParserImpl.java | 41 +++++----
 .../internal/inline/AutolinkInlineParser.java | 17 ++--
 .../inline/BackslashInlineParser.java         | 17 ++--
 .../inline/BackticksInlineParser.java         | 17 ++--
 .../internal/inline/EntityInlineParser.java   | 22 +++--
 .../internal/inline/HtmlInlineParser.java     | 20 +++--
 .../internal/inline/InlineContentParser.java  | 18 ++--
 .../inline/InlineContentParserFactory.java    | 16 ++++
 .../parser/InlineParserContext.java           |  6 +-
 .../parser/InlineParserFactory.java           |  4 +
 .../java/org/commonmark/parser/Parser.java    | 22 ++---
 .../parser/CustomInlineContentParserTest.java | 55 ------------
 .../parser/InlineContentParserTest.java       | 85 +++++++++++++++++++
 .../test/InlineParserContextTest.java         |  6 +-
 16 files changed, 233 insertions(+), 135 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParserFactory.java
 delete mode 100644 commonmark/src/test/java/org/commonmark/parser/CustomInlineContentParserTest.java
 create mode 100644 commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 89bedf8cb..afb6ed9dd 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -1,6 +1,6 @@
 package org.commonmark.internal;
 
-import org.commonmark.internal.inline.InlineContentParser;
+import org.commonmark.internal.inline.InlineContentParserFactory;
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
 import org.commonmark.parser.*;
@@ -67,7 +67,7 @@ public class DocumentParser implements ParserState {
 
     private final List<BlockParserFactory> blockParserFactories;
     private final InlineParserFactory inlineParserFactory;
-    private final List<InlineContentParser> inlineContentParsers;
+    private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
     private final IncludeSourceSpans includeSourceSpans;
     private final DocumentBlockParser documentBlockParser;
@@ -77,11 +77,11 @@ public class DocumentParser implements ParserState {
     private final List<BlockParser> allBlockParsers = new ArrayList<>();
 
     public DocumentParser(List<BlockParserFactory> blockParserFactories, InlineParserFactory inlineParserFactory,
-                          List<InlineContentParser> inlineContentParsers, List<DelimiterProcessor> delimiterProcessors,
+                          List<InlineContentParserFactory> inlineContentParserFactories, List<DelimiterProcessor> delimiterProcessors,
                           IncludeSourceSpans includeSourceSpans) {
         this.blockParserFactories = blockParserFactories;
         this.inlineParserFactory = inlineParserFactory;
-        this.inlineContentParsers = inlineContentParsers;
+        this.inlineContentParserFactories = inlineContentParserFactories;
         this.delimiterProcessors = delimiterProcessors;
         this.includeSourceSpans = includeSourceSpans;
 
@@ -481,7 +481,7 @@ private void addDefinitionsFrom(ParagraphParser paragraphParser) {
      * Walk through a block & children recursively, parsing string content into inline content where appropriate.
      */
     private void processInlines() {
-        InlineParserContextImpl context = new InlineParserContextImpl(inlineContentParsers, delimiterProcessors, definitions);
+        InlineParserContextImpl context = new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, definitions);
         InlineParser inlineParser = inlineParserFactory.create(context);
 
         for (BlockParser blockParser : allBlockParsers) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
index 7354d9b88..c8d927246 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
@@ -1,6 +1,6 @@
 package org.commonmark.internal;
 
-import org.commonmark.internal.inline.InlineContentParser;
+import org.commonmark.internal.inline.InlineContentParserFactory;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
@@ -9,21 +9,21 @@
 
 public class InlineParserContextImpl implements InlineParserContext {
 
-    private final List<InlineContentParser> inlineContentParsers;
+    private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
     private final LinkReferenceDefinitions linkReferenceDefinitions;
 
-    public InlineParserContextImpl(List<InlineContentParser> inlineContentParsers,
+    public InlineParserContextImpl(List<InlineContentParserFactory> inlineContentParserFactories,
                                    List<DelimiterProcessor> delimiterProcessors,
                                    LinkReferenceDefinitions linkReferenceDefinitions) {
-        this.inlineContentParsers = inlineContentParsers;
+        this.inlineContentParserFactories = inlineContentParserFactories;
         this.delimiterProcessors = delimiterProcessors;
         this.linkReferenceDefinitions = linkReferenceDefinitions;
     }
 
     @Override
-    public List<InlineContentParser> getCustomInlineContentParsers() {
-        return inlineContentParsers;
+    public List<InlineContentParserFactory> getCustomInlineContentParserFactories() {
+        return inlineContentParserFactories;
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 82caed36c..3d26993db 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -17,10 +17,11 @@
 public class InlineParserImpl implements InlineParser, InlineParserState {
 
     private final InlineParserContext context;
-    private final Map<Character, List<InlineContentParser>> inlineParsers;
+    private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final Map<Character, DelimiterProcessor> delimiterProcessors;
     private final BitSet specialCharacters;
 
+    private Map<Character, List<InlineContentParser>> inlineParsers;
     private Scanner scanner;
     private boolean includeSourceSpans;
     private int trailingSpaces;
@@ -38,22 +39,20 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
 
     public InlineParserImpl(InlineParserContext context) {
         this.context = context;
-        this.inlineParsers = calculateInlineContentParsers(context.getCustomInlineContentParsers());
+        this.inlineContentParserFactories = calculateInlineContentParserFactories(context.getCustomInlineContentParserFactories());
         this.delimiterProcessors = calculateDelimiterProcessors(context.getCustomDelimiterProcessors());
-        this.specialCharacters = calculateSpecialCharacters(this.delimiterProcessors.keySet(), inlineParsers.keySet());
+        this.specialCharacters = calculateSpecialCharacters(this.delimiterProcessors.keySet(), this.inlineContentParserFactories);
     }
 
-    private static Map<Character, List<InlineContentParser>> calculateInlineContentParsers(List<InlineContentParser> inlineContentParsers) {
-        var map = new HashMap<Character, List<InlineContentParser>>();
+    private List<InlineContentParserFactory> calculateInlineContentParserFactories(List<InlineContentParserFactory> customFactories) {
         // Custom parsers can override built-in parsers if they want, so make sure they are tried first
-        for (var parser : inlineContentParsers) {
-            map.computeIfAbsent(parser.getTriggerCharacter(), k -> new ArrayList<>()).add(parser);
-        }
-        for (var parser : List.of(new BackslashInlineParser(), new BackticksInlineParser(), new EntityInlineParser(),
-                new AutolinkInlineParser(), new HtmlInlineParser())) {
-            map.computeIfAbsent(parser.getTriggerCharacter(), k -> new ArrayList<>()).add(parser);
-        }
-        return map;
+        var list = new ArrayList<>(customFactories);
+        list.add(new BackslashInlineParser.Factory());
+        list.add(new BackticksInlineParser.Factory());
+        list.add(new EntityInlineParser.Factory());
+        list.add(new AutolinkInlineParser.Factory());
+        list.add(new HtmlInlineParser.Factory());
+        return list;
     }
 
     private static Map<Character, DelimiterProcessor> calculateDelimiterProcessors(List<DelimiterProcessor> delimiterProcessors) {
@@ -96,13 +95,14 @@ private static void addDelimiterProcessorForChar(char delimiterChar, DelimiterPr
         }
     }
 
-    private static BitSet calculateSpecialCharacters(Set<Character> delimiterCharacters, Set<Character> characters) {
+    private static BitSet calculateSpecialCharacters(Set<Character> delimiterCharacters,
+                                                     List<InlineContentParserFactory> inlineContentParserFactories) {
         BitSet bitSet = new BitSet();
         for (Character c : delimiterCharacters) {
             bitSet.set(c);
         }
-        for (Character c : characters) {
-            bitSet.set(c);
+        for (var factory : inlineContentParserFactories) {
+            bitSet.set(factory.getTriggerCharacter());
         }
         bitSet.set('[');
         bitSet.set(']');
@@ -111,6 +111,14 @@ private static BitSet calculateSpecialCharacters(Set<Character> delimiterCharact
         return bitSet;
     }
 
+    private Map<Character, List<InlineContentParser>> createInlineContentParsers() {
+        var map = new HashMap<Character, List<InlineContentParser>>();
+        for (var factory : inlineContentParserFactories) {
+            map.computeIfAbsent(factory.getTriggerCharacter(), k -> new ArrayList<>()).add(factory.create());
+        }
+        return map;
+    }
+
     @Override
     public Scanner scanner() {
         return scanner;
@@ -143,6 +151,7 @@ void reset(SourceLines lines) {
         this.trailingSpaces = 0;
         this.lastDelimiter = null;
         this.lastBracket = null;
+        this.inlineParsers = createInlineContentParsers();
     }
 
     private Text text(SourceLines sourceLines) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index 1d27f43c9..55a0e46a1 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -19,11 +19,6 @@ public class AutolinkInlineParser implements InlineContentParser {
     private static final Pattern EMAIL = Pattern
             .compile("^([a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$");
 
-    @Override
-    public char getTriggerCharacter() {
-        return '<';
-    }
-
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
@@ -51,4 +46,16 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
         }
         return ParsedInline.none();
     }
+
+    public static class Factory implements InlineContentParserFactory {
+        @Override
+        public char getTriggerCharacter() {
+            return '<';
+        }
+
+        @Override
+        public InlineContentParser create() {
+            return new AutolinkInlineParser();
+        }
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
index 768875174..f2133baaa 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
@@ -15,11 +15,6 @@ public class BackslashInlineParser implements InlineContentParser {
 
     private static final Pattern ESCAPABLE = Pattern.compile('^' + Escaping.ESCAPABLE);
 
-    @Override
-    public char getTriggerCharacter() {
-        return '\\';
-    }
-
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
@@ -37,4 +32,16 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
             return ParsedInline.of(new Text("\\"), scanner.position());
         }
     }
+
+    public static class Factory implements InlineContentParserFactory {
+        @Override
+        public char getTriggerCharacter() {
+            return '\\';
+        }
+
+        @Override
+        public InlineContentParser create() {
+            return new BackslashInlineParser();
+        }
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index 1c12b2fd4..80286f578 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -12,11 +12,6 @@
  */
 public class BackticksInlineParser implements InlineContentParser {
 
-    @Override
-    public char getTriggerCharacter() {
-        return '`';
-    }
-
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
@@ -52,4 +47,16 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
         Text text = new Text(source.getContent());
         return ParsedInline.of(text, afterOpening);
     }
+
+    public static class Factory implements InlineContentParserFactory {
+        @Override
+        public char getTriggerCharacter() {
+            return '`';
+        }
+
+        @Override
+        public InlineContentParser create() {
+            return new BackticksInlineParser();
+        }
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
index 4dfd94e9f..8e45b26ce 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
@@ -1,13 +1,13 @@
 package org.commonmark.internal.inline;
 
-import org.commonmark.text.AsciiMatcher;
 import org.commonmark.internal.util.Html5Entities;
 import org.commonmark.node.Text;
 import org.commonmark.parser.beta.Position;
 import org.commonmark.parser.beta.Scanner;
+import org.commonmark.text.AsciiMatcher;
 
 /**
- * Attempts to parse a HTML entity or numeric character reference.
+ * Attempts to parse an HTML entity or numeric character reference.
  */
 public class EntityInlineParser implements InlineContentParser {
 
@@ -16,11 +16,6 @@ public class EntityInlineParser implements InlineContentParser {
     private static final AsciiMatcher entityStart = AsciiMatcher.builder().range('A', 'Z').range('a', 'z').build();
     private static final AsciiMatcher entityContinue = entityStart.newBuilder().range('0', '9').build();
 
-    @Override
-    public char getTriggerCharacter() {
-        return '&';
-    }
-
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
@@ -57,4 +52,17 @@ private ParsedInline entity(Scanner scanner, Position start) {
         String text = scanner.getSource(start, scanner.position()).getContent();
         return ParsedInline.of(new Text(Html5Entities.entityToString(text)), scanner.position());
     }
+
+    public static class Factory implements InlineContentParserFactory {
+
+        @Override
+        public char getTriggerCharacter() {
+            return '&';
+        }
+
+        @Override
+        public InlineContentParser create() {
+            return new EntityInlineParser();
+        }
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index f776691df..691946483 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -1,9 +1,9 @@
 package org.commonmark.internal.inline;
 
-import org.commonmark.text.AsciiMatcher;
 import org.commonmark.node.HtmlInline;
 import org.commonmark.parser.beta.Position;
 import org.commonmark.parser.beta.Scanner;
+import org.commonmark.text.AsciiMatcher;
 
 /**
  * Attempt to parse inline HTML.
@@ -26,11 +26,6 @@ public class HtmlInlineParser implements InlineContentParser {
             .c('"').c('\'').c('=').c('<').c('>').c('`')
             .build();
 
-    @Override
-    public char getTriggerCharacter() {
-        return '<';
-    }
-
     @Override
     public ParsedInline tryParse(InlineParserState inlineParserState) {
         Scanner scanner = inlineParserState.scanner();
@@ -205,4 +200,17 @@ private static boolean tryDeclaration(Scanner scanner) {
         }
         return false;
     }
+
+    public static class Factory implements InlineContentParserFactory {
+
+        @Override
+        public char getTriggerCharacter() {
+            return '<';
+        }
+
+        @Override
+        public InlineContentParser create() {
+            return new HtmlInlineParser();
+        }
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
index 2dcaf1653..e0ab413f3 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
@@ -1,16 +1,18 @@
 package org.commonmark.internal.inline;
 
+/**
+ * Parser for a type of inline content. Registered via a {@link InlineContentParserFactory} and created by its
+ * {@link InlineContentParserFactory#create() create} method. The lifetime of this is tied to each inline content
+ * snippet that is parsed, as a new instance is created for each.
+ */
 public interface InlineContentParser {
 
     /**
-     * An inline content parser needs to have a special "trigger" character which activates it. If this character is
-     * encountered during inline parsing, {@link #tryParse} is called with the current parser state.
-     */
-    char getTriggerCharacter();
-
-    /**
-     * Try to parse the inline content. Note that the character at the current position is the
-     * {@link #getTriggerCharacter()}.
+     * Try to parse inline content starting from the current position. Note that the character at the current position
+     * is the {@link InlineContentParserFactory#getTriggerCharacter()} of the factory that created this parser.
+     * <p>
+     * For a given inline content snippet that is being parsed, this method can be called multiple times: each time a
+     * trigger character is encountered.
      *
      * @param inlineParserState the current state of the inline parser
      * @return the result of parsing; can indicate that this parser is not interested, or that parsing was successful
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParserFactory.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParserFactory.java
new file mode 100644
index 000000000..b8d83be66
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParserFactory.java
@@ -0,0 +1,16 @@
+package org.commonmark.internal.inline;
+
+public interface InlineContentParserFactory {
+
+    /**
+     * An inline content parser needs to have a special "trigger" character which activates it. When this character is
+     * encountered during inline parsing, {@link InlineContentParser#tryParse} is called with the current parser state.
+     */
+    char getTriggerCharacter();
+
+    /**
+     * Create an {@link InlineContentParser} that will do the parsing. Create is called once per text snippet of inline
+     * content inside block structures, and then called each time a trigger character is encountered.
+     */
+    InlineContentParser create();
+}
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
index 7c41f8c9a..1c2594033 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
@@ -1,6 +1,6 @@
 package org.commonmark.parser;
 
-import org.commonmark.internal.inline.InlineContentParser;
+import org.commonmark.internal.inline.InlineContentParserFactory;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
@@ -12,9 +12,9 @@
 public interface InlineParserContext {
 
     /**
-     * @return custom inline content parsers that have been configured with {@link Parser.Builder#customInlineContentParser(InlineContentParser)}
+     * @return custom inline content parsers that have been configured with {@link Parser.Builder#customInlineContentParser(InlineContentParserFactory)}
      */
-    List<InlineContentParser> getCustomInlineContentParsers();
+    List<InlineContentParserFactory> getCustomInlineContentParserFactories();
 
     /**
      * @return custom delimiter processors that have been configured with {@link Parser.Builder#customDelimiterProcessor(DelimiterProcessor)}
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParserFactory.java b/commonmark/src/main/java/org/commonmark/parser/InlineParserFactory.java
index 34c384a8a..c1640e9d8 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParserFactory.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParserFactory.java
@@ -4,5 +4,9 @@
  * Factory for custom inline parser.
  */
 public interface InlineParserFactory {
+
+    /**
+     * Create an {@link InlineParser} to use for parsing inlines. This is called once per parsed document.
+     */
     InlineParser create(InlineParserContext inlineParserContext);
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index cb38c5b0b..75547c422 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -5,7 +5,7 @@
 import org.commonmark.internal.InlineParserContextImpl;
 import org.commonmark.internal.InlineParserImpl;
 import org.commonmark.internal.LinkReferenceDefinitions;
-import org.commonmark.internal.inline.InlineContentParser;
+import org.commonmark.internal.inline.InlineContentParserFactory;
 import org.commonmark.node.*;
 import org.commonmark.parser.block.BlockParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
@@ -30,7 +30,7 @@
 public class Parser {
 
     private final List<BlockParserFactory> blockParserFactories;
-    private final List<InlineContentParser> inlineContentParsers;
+    private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
     private final InlineParserFactory inlineParserFactory;
     private final List<PostProcessor> postProcessors;
@@ -40,13 +40,13 @@ private Parser(Builder builder) {
         this.blockParserFactories = DocumentParser.calculateBlockParserFactories(builder.blockParserFactories, builder.enabledBlockTypes);
         this.inlineParserFactory = builder.getInlineParserFactory();
         this.postProcessors = builder.postProcessors;
-        this.inlineContentParsers = builder.inlineContentParsers;
+        this.inlineContentParserFactories = builder.inlineContentParserFactories;
         this.delimiterProcessors = builder.delimiterProcessors;
         this.includeSourceSpans = builder.includeSourceSpans;
 
         // Try to construct an inline parser. Invalid configuration might result in an exception, which we want to
         // detect as soon as possible.
-        this.inlineParserFactory.create(new InlineParserContextImpl(inlineContentParsers, delimiterProcessors, new LinkReferenceDefinitions()));
+        this.inlineParserFactory.create(new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, new LinkReferenceDefinitions()));
     }
 
     /**
@@ -104,7 +104,7 @@ public Node parseReader(Reader input) throws IOException {
     }
 
     private DocumentParser createDocumentParser() {
-        return new DocumentParser(blockParserFactories, inlineParserFactory, inlineContentParsers, delimiterProcessors, includeSourceSpans);
+        return new DocumentParser(blockParserFactories, inlineParserFactory, inlineContentParserFactories, delimiterProcessors, includeSourceSpans);
     }
 
     private Node postProcess(Node document) {
@@ -119,7 +119,7 @@ private Node postProcess(Node document) {
      */
     public static class Builder {
         private final List<BlockParserFactory> blockParserFactories = new ArrayList<>();
-        private final List<InlineContentParser> inlineContentParsers = new ArrayList<>();
+        private final List<InlineContentParserFactory> inlineContentParserFactories = new ArrayList<>();
         private final List<DelimiterProcessor> delimiterProcessors = new ArrayList<>();
         private final List<PostProcessor> postProcessors = new ArrayList<>();
         private Set<Class<? extends Block>> enabledBlockTypes = DocumentParser.getDefaultBlockParserTypes();
@@ -222,15 +222,15 @@ public Builder customBlockParserFactory(BlockParserFactory blockParserFactory) {
          * Add a custom inline content parser, for additional inline parsing or overriding built-in parsing.
          * <p>
          * Note that parsers are triggered based on a special character as specified by
-         * {@link InlineContentParser#getTriggerCharacter()}. It is possible to register multiple parsers for the same
+         * {@link InlineContentParserFactory#getTriggerCharacter()}. It is possible to register multiple parsers for the same
          * character, or even for some built-in special character such as {@code `}.
          *
-         * @param inlineContentParser
+         * @param inlineContentParserFactory
          * @return
          */
-        public Builder customInlineContentParser(InlineContentParser inlineContentParser) {
-            Objects.requireNonNull(inlineContentParser, "inlineContentParser must not be null");
-            inlineContentParsers.add(inlineContentParser);
+        public Builder customInlineContentParser(InlineContentParserFactory inlineContentParserFactory) {
+            Objects.requireNonNull(inlineContentParserFactory, "inlineContentParser must not be null");
+            inlineContentParserFactories.add(inlineContentParserFactory);
             return this;
         }
 
diff --git a/commonmark/src/test/java/org/commonmark/parser/CustomInlineContentParserTest.java b/commonmark/src/test/java/org/commonmark/parser/CustomInlineContentParserTest.java
deleted file mode 100644
index a88053912..000000000
--- a/commonmark/src/test/java/org/commonmark/parser/CustomInlineContentParserTest.java
+++ /dev/null
@@ -1,55 +0,0 @@
-package org.commonmark.parser;
-
-import org.commonmark.internal.inline.InlineContentParser;
-import org.commonmark.internal.inline.InlineParserState;
-import org.commonmark.internal.inline.ParsedInline;
-import org.commonmark.node.CustomNode;
-import org.commonmark.test.Nodes;
-import org.junit.Test;
-
-import static org.junit.Assert.assertEquals;
-
-public class CustomInlineContentParserTest {
-
-    @Test
-    public void customInlineContentParser() {
-        var parser = Parser.builder().customInlineContentParser(new DollarInlineContentParser()).build();
-        var doc = parser.parse("Test: $hey *there*$");
-        var dollarInline = Nodes.find(doc, DollarInline.class);
-        assertEquals("hey *there*", dollarInline.getLiteral());
-    }
-
-    private static class DollarInline extends CustomNode {
-        private final String literal;
-
-        public DollarInline(String literal) {
-            this.literal = literal;
-        }
-
-        public String getLiteral() {
-            return literal;
-        }
-    }
-
-    private static class DollarInlineContentParser implements InlineContentParser {
-        @Override
-        public char getTriggerCharacter() {
-            return '$';
-        }
-
-        @Override
-        public ParsedInline tryParse(InlineParserState inlineParserState) {
-            var scanner = inlineParserState.scanner();
-            scanner.next();
-            var pos = scanner.position();
-
-            var end = scanner.find('$');
-            if (end == -1) {
-                return ParsedInline.none();
-            }
-            var content = scanner.getSource(pos, scanner.position()).getContent();
-            scanner.next();
-            return ParsedInline.of(new DollarInline(content), scanner.position());
-        }
-    }
-}
diff --git a/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
new file mode 100644
index 000000000..083914676
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
@@ -0,0 +1,85 @@
+package org.commonmark.parser;
+
+import org.commonmark.internal.inline.InlineContentParser;
+import org.commonmark.internal.inline.InlineContentParserFactory;
+import org.commonmark.internal.inline.InlineParserState;
+import org.commonmark.internal.inline.ParsedInline;
+import org.commonmark.node.CustomNode;
+import org.commonmark.node.Heading;
+import org.commonmark.test.Nodes;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class InlineContentParserTest {
+
+    @Test
+    public void customInlineContentParser() {
+        var parser = Parser.builder().customInlineContentParser(new DollarInlineParser.Factory()).build();
+        var doc = parser.parse("Test: $hey *there*$ $you$\n\n# Heading $heading$\n");
+        var inline1 = Nodes.find(doc, DollarInline.class);
+        assertEquals("hey *there*", inline1.getLiteral());
+
+        var inline2 = (DollarInline) doc.getFirstChild().getLastChild();
+        assertEquals("you", inline2.getLiteral());
+
+        var heading = Nodes.find(doc, Heading.class);
+        var inline3 = (DollarInline) heading.getLastChild();
+        assertEquals("heading", inline3.getLiteral());
+
+        // Parser is created for each inline snippet, which is why the index resets for the second snippet.
+        assertEquals(0, inline1.getIndex());
+        assertEquals(1, inline2.getIndex());
+        assertEquals(0, inline3.getIndex());
+    }
+
+    private static class DollarInline extends CustomNode {
+        private final String literal;
+        private final int index;
+
+        public DollarInline(String literal, int index) {
+            this.literal = literal;
+            this.index = index;
+        }
+
+        public String getLiteral() {
+            return literal;
+        }
+
+        public int getIndex() {
+            return index;
+        }
+    }
+
+    private static class DollarInlineParser implements InlineContentParser {
+
+        private int index = 0;
+
+        @Override
+        public ParsedInline tryParse(InlineParserState inlineParserState) {
+            var scanner = inlineParserState.scanner();
+            scanner.next();
+            var pos = scanner.position();
+
+            var end = scanner.find('$');
+            if (end == -1) {
+                return ParsedInline.none();
+            }
+            var content = scanner.getSource(pos, scanner.position()).getContent();
+            scanner.next();
+            return ParsedInline.of(new DollarInline(content, index++), scanner.position());
+        }
+
+        static class Factory implements InlineContentParserFactory {
+            @Override
+            public char getTriggerCharacter() {
+                return '$';
+            }
+
+            @Override
+            public InlineContentParser create() {
+                return new DollarInlineParser();
+            }
+        }
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
index 7fd875703..e983870c1 100644
--- a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
@@ -1,7 +1,7 @@
 package org.commonmark.test;
 
 import org.commonmark.internal.InlineParserImpl;
-import org.commonmark.internal.inline.InlineContentParser;
+import org.commonmark.internal.inline.InlineContentParserFactory;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.InlineParserContext;
@@ -43,8 +43,8 @@ static class CapturingInlineParserFactory implements InlineParserFactory {
         public InlineParser create(final InlineParserContext inlineParserContext) {
             InlineParserContext wrappedContext = new InlineParserContext() {
                 @Override
-                public List<InlineContentParser> getCustomInlineContentParsers() {
-                    return inlineParserContext.getCustomInlineContentParsers();
+                public List<InlineContentParserFactory> getCustomInlineContentParserFactories() {
+                    return inlineParserContext.getCustomInlineContentParserFactories();
                 }
 
                 @Override

From e7d7bcd258d7bb4cd83c2c8c7d2d6c4b81f9b0dc Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 25 Apr 2024 23:03:48 +1000
Subject: [PATCH 265/450] Allow to specify multiple trigger characters

---
 .../java/org/commonmark/internal/InlineParserImpl.java |  9 +++++++--
 .../internal/inline/AutolinkInlineParser.java          |  5 +++--
 .../internal/inline/BackslashInlineParser.java         |  5 +++--
 .../internal/inline/BackticksInlineParser.java         |  6 ++++--
 .../commonmark/internal/inline/EntityInlineParser.java |  6 ++++--
 .../commonmark/internal/inline/HtmlInlineParser.java   |  6 ++++--
 .../internal/inline/InlineContentParser.java           |  2 +-
 .../internal/inline/InlineContentParserFactory.java    |  5 ++++-
 .../src/main/java/org/commonmark/parser/Parser.java    | 10 ++++------
 .../org/commonmark/parser/InlineContentParserTest.java |  6 ++++--
 10 files changed, 38 insertions(+), 22 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 3d26993db..53020ebba 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -102,7 +102,9 @@ private static BitSet calculateSpecialCharacters(Set<Character> delimiterCharact
             bitSet.set(c);
         }
         for (var factory : inlineContentParserFactories) {
-            bitSet.set(factory.getTriggerCharacter());
+            for (var c : factory.getTriggerCharacters()) {
+                bitSet.set(c);
+            }
         }
         bitSet.set('[');
         bitSet.set(']');
@@ -114,7 +116,10 @@ private static BitSet calculateSpecialCharacters(Set<Character> delimiterCharact
     private Map<Character, List<InlineContentParser>> createInlineContentParsers() {
         var map = new HashMap<Character, List<InlineContentParser>>();
         for (var factory : inlineContentParserFactories) {
-            map.computeIfAbsent(factory.getTriggerCharacter(), k -> new ArrayList<>()).add(factory.create());
+            var parser = factory.create();
+            for (var c : factory.getTriggerCharacters()) {
+                map.computeIfAbsent(c, k -> new ArrayList<>()).add(parser);
+            }
         }
         return map;
     }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index 55a0e46a1..dd898fcd1 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -6,6 +6,7 @@
 import org.commonmark.parser.beta.Position;
 import org.commonmark.parser.beta.Scanner;
 
+import java.util.Set;
 import java.util.regex.Pattern;
 
 /**
@@ -49,8 +50,8 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
 
     public static class Factory implements InlineContentParserFactory {
         @Override
-        public char getTriggerCharacter() {
-            return '<';
+        public Set<Character> getTriggerCharacters() {
+            return Set.of('<');
         }
 
         @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
index f2133baaa..70583659f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
@@ -5,6 +5,7 @@
 import org.commonmark.node.Text;
 import org.commonmark.parser.beta.Scanner;
 
+import java.util.Set;
 import java.util.regex.Pattern;
 
 /**
@@ -35,8 +36,8 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
 
     public static class Factory implements InlineContentParserFactory {
         @Override
-        public char getTriggerCharacter() {
-            return '\\';
+        public Set<Character> getTriggerCharacters() {
+            return Set.of('\\');
         }
 
         @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index 80286f578..75025411c 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -7,6 +7,8 @@
 import org.commonmark.parser.beta.Scanner;
 import org.commonmark.text.Characters;
 
+import java.util.Set;
+
 /**
  * Attempt to parse backticks, returning either a backtick code span or a literal sequence of backticks.
  */
@@ -50,8 +52,8 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
 
     public static class Factory implements InlineContentParserFactory {
         @Override
-        public char getTriggerCharacter() {
-            return '`';
+        public Set<Character> getTriggerCharacters() {
+            return Set.of('`');
         }
 
         @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
index 8e45b26ce..6c226c0a5 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
@@ -6,6 +6,8 @@
 import org.commonmark.parser.beta.Scanner;
 import org.commonmark.text.AsciiMatcher;
 
+import java.util.Set;
+
 /**
  * Attempts to parse an HTML entity or numeric character reference.
  */
@@ -56,8 +58,8 @@ private ParsedInline entity(Scanner scanner, Position start) {
     public static class Factory implements InlineContentParserFactory {
 
         @Override
-        public char getTriggerCharacter() {
-            return '&';
+        public Set<Character> getTriggerCharacters() {
+            return Set.of('&');
         }
 
         @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index 691946483..79fdd250b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -5,6 +5,8 @@
 import org.commonmark.parser.beta.Scanner;
 import org.commonmark.text.AsciiMatcher;
 
+import java.util.Set;
+
 /**
  * Attempt to parse inline HTML.
  */
@@ -204,8 +206,8 @@ private static boolean tryDeclaration(Scanner scanner) {
     public static class Factory implements InlineContentParserFactory {
 
         @Override
-        public char getTriggerCharacter() {
-            return '<';
+        public Set<Character> getTriggerCharacters() {
+            return Set.of('<');
         }
 
         @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
index e0ab413f3..cab1d467f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
@@ -9,7 +9,7 @@ public interface InlineContentParser {
 
     /**
      * Try to parse inline content starting from the current position. Note that the character at the current position
-     * is the {@link InlineContentParserFactory#getTriggerCharacter()} of the factory that created this parser.
+     * is one of {@link InlineContentParserFactory#getTriggerCharacters()} of the factory that created this parser.
      * <p>
      * For a given inline content snippet that is being parsed, this method can be called multiple times: each time a
      * trigger character is encountered.
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParserFactory.java b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParserFactory.java
index b8d83be66..a5e1fe592 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParserFactory.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParserFactory.java
@@ -1,12 +1,15 @@
 package org.commonmark.internal.inline;
 
+import java.util.Set;
+
 public interface InlineContentParserFactory {
 
     /**
      * An inline content parser needs to have a special "trigger" character which activates it. When this character is
      * encountered during inline parsing, {@link InlineContentParser#tryParse} is called with the current parser state.
+     * It can also register for more than one trigger character.
      */
-    char getTriggerCharacter();
+    Set<Character> getTriggerCharacters();
 
     /**
      * Create an {@link InlineContentParser} that will do the parsing. Create is called once per text snippet of inline
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 75547c422..cedc5ac07 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -219,14 +219,12 @@ public Builder customBlockParserFactory(BlockParserFactory blockParserFactory) {
         }
 
         /**
-         * Add a custom inline content parser, for additional inline parsing or overriding built-in parsing.
+         * Add a factory for a custom inline content parser, for additional inline parsing or overriding built-in parsing.
          * <p>
          * Note that parsers are triggered based on a special character as specified by
-         * {@link InlineContentParserFactory#getTriggerCharacter()}. It is possible to register multiple parsers for the same
-         * character, or even for some built-in special character such as {@code `}.
-         *
-         * @param inlineContentParserFactory
-         * @return
+         * {@link InlineContentParserFactory#getTriggerCharacters()}. It is possible to register multiple parsers for the same
+         * character, or even for some built-in special character such as {@code `}. The custom parsers are tried first
+         * in order in which they are registered, and then the built-in ones.
          */
         public Builder customInlineContentParser(InlineContentParserFactory inlineContentParserFactory) {
             Objects.requireNonNull(inlineContentParserFactory, "inlineContentParser must not be null");
diff --git a/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
index 083914676..212c9a25d 100644
--- a/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
@@ -9,6 +9,8 @@
 import org.commonmark.test.Nodes;
 import org.junit.Test;
 
+import java.util.Set;
+
 import static org.junit.Assert.assertEquals;
 
 public class InlineContentParserTest {
@@ -72,8 +74,8 @@ public ParsedInline tryParse(InlineParserState inlineParserState) {
 
         static class Factory implements InlineContentParserFactory {
             @Override
-            public char getTriggerCharacter() {
-                return '$';
+            public Set<Character> getTriggerCharacters() {
+                return Set.of('$');
             }
 
             @Override

From eeb077623e47047646130005151faa9376ea8ab4 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 26 Apr 2024 17:44:19 +1000
Subject: [PATCH 266/450] Move inline content parser to beta API package

---
 .../commonmark/internal/DocumentParser.java   |  2 +-
 .../internal/InlineParserContextImpl.java     |  2 +-
 .../commonmark/internal/InlineParserImpl.java |  2 +-
 .../internal/inline/AutolinkInlineParser.java |  3 +--
 .../inline/BackslashInlineParser.java         |  2 +-
 .../inline/BackticksInlineParser.java         |  3 +--
 .../internal/inline/EntityInlineParser.java   |  3 +--
 .../internal/inline/HtmlInlineParser.java     |  3 +--
 .../internal/inline/ParsedInline.java         | 24 -------------------
 .../internal/inline/ParsedInlineImpl.java     |  5 ++--
 .../parser/InlineParserContext.java           |  2 +-
 .../java/org/commonmark/parser/Parser.java    |  2 +-
 .../beta}/InlineContentParser.java            |  2 +-
 .../beta}/InlineContentParserFactory.java     |  2 +-
 .../beta}/InlineParserState.java              |  5 +---
 .../commonmark/parser/beta/ParsedInline.java  | 24 +++++++++++++++++++
 .../parser/InlineContentParserTest.java       |  8 +++----
 .../test/InlineParserContextTest.java         |  2 +-
 18 files changed, 45 insertions(+), 51 deletions(-)
 delete mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
 rename commonmark/src/main/java/org/commonmark/{internal/inline => parser/beta}/InlineContentParser.java (96%)
 rename commonmark/src/main/java/org/commonmark/{internal/inline => parser/beta}/InlineContentParserFactory.java (94%)
 rename commonmark/src/main/java/org/commonmark/{internal/inline => parser/beta}/InlineParserState.java (75%)
 create mode 100644 commonmark/src/main/java/org/commonmark/parser/beta/ParsedInline.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index afb6ed9dd..6884c56a9 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -1,6 +1,6 @@
 package org.commonmark.internal;
 
-import org.commonmark.internal.inline.InlineContentParserFactory;
+import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
 import org.commonmark.parser.*;
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
index c8d927246..689a5372e 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
@@ -1,6 +1,6 @@
 package org.commonmark.internal;
 
-import org.commonmark.internal.inline.InlineContentParserFactory;
+import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 53020ebba..5b91a5a16 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -7,7 +7,7 @@
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.SourceLines;
-import org.commonmark.parser.beta.Position;
+import org.commonmark.parser.beta.*;
 import org.commonmark.parser.beta.Scanner;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.text.Characters;
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
index dd898fcd1..a18966e54 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/AutolinkInlineParser.java
@@ -3,8 +3,7 @@
 import org.commonmark.node.Link;
 import org.commonmark.node.Text;
 import org.commonmark.parser.SourceLines;
-import org.commonmark.parser.beta.Position;
-import org.commonmark.parser.beta.Scanner;
+import org.commonmark.parser.beta.*;
 
 import java.util.Set;
 import java.util.regex.Pattern;
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
index 70583659f..7baeed4de 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackslashInlineParser.java
@@ -3,7 +3,7 @@
 import org.commonmark.internal.util.Escaping;
 import org.commonmark.node.HardLineBreak;
 import org.commonmark.node.Text;
-import org.commonmark.parser.beta.Scanner;
+import org.commonmark.parser.beta.*;
 
 import java.util.Set;
 import java.util.regex.Pattern;
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
index 75025411c..b8e8984e8 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BackticksInlineParser.java
@@ -3,8 +3,7 @@
 import org.commonmark.node.Code;
 import org.commonmark.node.Text;
 import org.commonmark.parser.SourceLines;
-import org.commonmark.parser.beta.Position;
-import org.commonmark.parser.beta.Scanner;
+import org.commonmark.parser.beta.*;
 import org.commonmark.text.Characters;
 
 import java.util.Set;
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
index 6c226c0a5..c24e60747 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/EntityInlineParser.java
@@ -2,8 +2,7 @@
 
 import org.commonmark.internal.util.Html5Entities;
 import org.commonmark.node.Text;
-import org.commonmark.parser.beta.Position;
-import org.commonmark.parser.beta.Scanner;
+import org.commonmark.parser.beta.*;
 import org.commonmark.text.AsciiMatcher;
 
 import java.util.Set;
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
index 79fdd250b..a48ea5022 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/HtmlInlineParser.java
@@ -1,8 +1,7 @@
 package org.commonmark.internal.inline;
 
 import org.commonmark.node.HtmlInline;
-import org.commonmark.parser.beta.Position;
-import org.commonmark.parser.beta.Scanner;
+import org.commonmark.parser.beta.*;
 import org.commonmark.text.AsciiMatcher;
 
 import java.util.Set;
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
deleted file mode 100644
index 7223c1687..000000000
--- a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInline.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package org.commonmark.internal.inline;
-
-import org.commonmark.node.Node;
-import org.commonmark.parser.beta.Position;
-
-public abstract class ParsedInline {
-
-    protected ParsedInline() {
-    }
-
-    public static ParsedInline none() {
-        return null;
-    }
-
-    public static ParsedInline of(Node node, Position position) {
-        if (node == null) {
-            throw new NullPointerException("node must not be null");
-        }
-        if (position == null) {
-            throw new NullPointerException("position must not be null");
-        }
-        return new ParsedInlineImpl(node, position);
-    }
-}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
index 55f9cc4da..a77630610 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/ParsedInlineImpl.java
@@ -1,13 +1,14 @@
 package org.commonmark.internal.inline;
 
 import org.commonmark.node.Node;
+import org.commonmark.parser.beta.ParsedInline;
 import org.commonmark.parser.beta.Position;
 
-public class ParsedInlineImpl extends ParsedInline {
+public class ParsedInlineImpl implements ParsedInline {
     private final Node node;
     private final Position position;
 
-    ParsedInlineImpl(Node node, Position position) {
+    public ParsedInlineImpl(Node node, Position position) {
         this.node = node;
         this.position = position;
     }
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
index 1c2594033..2b52cb828 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
@@ -1,6 +1,6 @@
 package org.commonmark.parser;
 
-import org.commonmark.internal.inline.InlineContentParserFactory;
+import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index cedc5ac07..6d15a7192 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -5,7 +5,7 @@
 import org.commonmark.internal.InlineParserContextImpl;
 import org.commonmark.internal.InlineParserImpl;
 import org.commonmark.internal.LinkReferenceDefinitions;
-import org.commonmark.internal.inline.InlineContentParserFactory;
+import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.node.*;
 import org.commonmark.parser.block.BlockParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java b/commonmark/src/main/java/org/commonmark/parser/beta/InlineContentParser.java
similarity index 96%
rename from commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
rename to commonmark/src/main/java/org/commonmark/parser/beta/InlineContentParser.java
index cab1d467f..bc5c9a54f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/InlineContentParser.java
@@ -1,4 +1,4 @@
-package org.commonmark.internal.inline;
+package org.commonmark.parser.beta;
 
 /**
  * Parser for a type of inline content. Registered via a {@link InlineContentParserFactory} and created by its
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParserFactory.java b/commonmark/src/main/java/org/commonmark/parser/beta/InlineContentParserFactory.java
similarity index 94%
rename from commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParserFactory.java
rename to commonmark/src/main/java/org/commonmark/parser/beta/InlineContentParserFactory.java
index a5e1fe592..54a5d7f6f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineContentParserFactory.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/InlineContentParserFactory.java
@@ -1,4 +1,4 @@
-package org.commonmark.internal.inline;
+package org.commonmark.parser.beta;
 
 import java.util.Set;
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java b/commonmark/src/main/java/org/commonmark/parser/beta/InlineParserState.java
similarity index 75%
rename from commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
rename to commonmark/src/main/java/org/commonmark/parser/beta/InlineParserState.java
index ba7369617..e434d45d6 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/InlineParserState.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/InlineParserState.java
@@ -1,7 +1,4 @@
-package org.commonmark.internal.inline;
-
-import org.commonmark.parser.beta.Position;
-import org.commonmark.parser.beta.Scanner;
+package org.commonmark.parser.beta;
 
 public interface InlineParserState {
 
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/ParsedInline.java b/commonmark/src/main/java/org/commonmark/parser/beta/ParsedInline.java
new file mode 100644
index 000000000..5d1402cae
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/ParsedInline.java
@@ -0,0 +1,24 @@
+package org.commonmark.parser.beta;
+
+import org.commonmark.internal.inline.ParsedInlineImpl;
+import org.commonmark.node.Node;
+
+import java.util.Objects;
+
+/**
+ * The result of a single inline parser. Use the static methods to create instances.
+ * <p>
+ * <em>This interface is not intended to be implemented by clients.</em>
+ */
+public interface ParsedInline {
+
+    static ParsedInline none() {
+        return null;
+    }
+
+    static ParsedInline of(Node node, Position position) {
+        Objects.requireNonNull(node, "node must not be null");
+        Objects.requireNonNull(position, "position must not be null");
+        return new ParsedInlineImpl(node, position);
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
index 212c9a25d..e54aebb26 100644
--- a/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
@@ -1,9 +1,9 @@
 package org.commonmark.parser;
 
-import org.commonmark.internal.inline.InlineContentParser;
-import org.commonmark.internal.inline.InlineContentParserFactory;
-import org.commonmark.internal.inline.InlineParserState;
-import org.commonmark.internal.inline.ParsedInline;
+import org.commonmark.parser.beta.InlineContentParser;
+import org.commonmark.parser.beta.InlineContentParserFactory;
+import org.commonmark.parser.beta.InlineParserState;
+import org.commonmark.parser.beta.ParsedInline;
 import org.commonmark.node.CustomNode;
 import org.commonmark.node.Heading;
 import org.commonmark.test.Nodes;
diff --git a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
index e983870c1..9fa7fb0da 100644
--- a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
@@ -1,7 +1,7 @@
 package org.commonmark.test;
 
 import org.commonmark.internal.InlineParserImpl;
-import org.commonmark.internal.inline.InlineContentParserFactory;
+import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.InlineParserContext;

From d876efe7e10a242c1129f042f3049ceefdb95c53 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 26 Apr 2024 17:47:43 +1000
Subject: [PATCH 267/450] Rename Parser.Builder method to align with type

---
 .../java/org/commonmark/parser/InlineParserContext.java   | 8 +++++---
 .../src/main/java/org/commonmark/parser/Parser.java       | 4 ++--
 .../org/commonmark/parser/InlineContentParserTest.java    | 6 +++---
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
index 2b52cb828..dde86b311 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
@@ -1,7 +1,7 @@
 package org.commonmark.parser;
 
-import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.node.LinkReferenceDefinition;
+import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.util.List;
@@ -12,12 +12,14 @@
 public interface InlineParserContext {
 
     /**
-     * @return custom inline content parsers that have been configured with {@link Parser.Builder#customInlineContentParser(InlineContentParserFactory)}
+     * @return custom inline content parsers that have been configured with
+     * {@link Parser.Builder#customInlineContentParserFactory(InlineContentParserFactory)}
      */
     List<InlineContentParserFactory> getCustomInlineContentParserFactories();
 
     /**
-     * @return custom delimiter processors that have been configured with {@link Parser.Builder#customDelimiterProcessor(DelimiterProcessor)}
+     * @return custom delimiter processors that have been configured with
+     * {@link Parser.Builder#customDelimiterProcessor(DelimiterProcessor)}
      */
     List<DelimiterProcessor> getCustomDelimiterProcessors();
 
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 6d15a7192..8d9eb3376 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -5,8 +5,8 @@
 import org.commonmark.internal.InlineParserContextImpl;
 import org.commonmark.internal.InlineParserImpl;
 import org.commonmark.internal.LinkReferenceDefinitions;
-import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.node.*;
+import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.block.BlockParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
@@ -226,7 +226,7 @@ public Builder customBlockParserFactory(BlockParserFactory blockParserFactory) {
          * character, or even for some built-in special character such as {@code `}. The custom parsers are tried first
          * in order in which they are registered, and then the built-in ones.
          */
-        public Builder customInlineContentParser(InlineContentParserFactory inlineContentParserFactory) {
+        public Builder customInlineContentParserFactory(InlineContentParserFactory inlineContentParserFactory) {
             Objects.requireNonNull(inlineContentParserFactory, "inlineContentParser must not be null");
             inlineContentParserFactories.add(inlineContentParserFactory);
             return this;
diff --git a/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
index e54aebb26..28e9b5748 100644
--- a/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
@@ -1,11 +1,11 @@
 package org.commonmark.parser;
 
+import org.commonmark.node.CustomNode;
+import org.commonmark.node.Heading;
 import org.commonmark.parser.beta.InlineContentParser;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.beta.InlineParserState;
 import org.commonmark.parser.beta.ParsedInline;
-import org.commonmark.node.CustomNode;
-import org.commonmark.node.Heading;
 import org.commonmark.test.Nodes;
 import org.junit.Test;
 
@@ -17,7 +17,7 @@ public class InlineContentParserTest {
 
     @Test
     public void customInlineContentParser() {
-        var parser = Parser.builder().customInlineContentParser(new DollarInlineParser.Factory()).build();
+        var parser = Parser.builder().customInlineContentParserFactory(new DollarInlineParser.Factory()).build();
         var doc = parser.parse("Test: $hey *there*$ $you$\n\n# Heading $heading$\n");
         var inline1 = Nodes.find(doc, DollarInline.class);
         assertEquals("hey *there*", inline1.getLiteral());

From f48193550ae148e18afe1f8e3ce46d3c4e2823b8 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 26 Apr 2024 17:53:18 +1000
Subject: [PATCH 268/450] Add CHANGELOG

---
 CHANGELOG.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index df6beb202..2fc29ab3a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html
 with the exception that 0.x versions can break between minor versions.
 
 ## Unreleased
+### Added
+- Support for extending inline parsing with custom inline content parsers! See
+  `Parser.Builder#customInlineContentParserFactory`. This allows users or
+  extensions to hook into inline parsing on a deeper level than using delimiter
+  processors. It could be used to implement support for math/latex formulas for
+  example.
 ### Fixed
 - Fix parsing of link reference definitions where it looks like it has a title
   but it doesn't because it's followed by characters other than space/tab. In that

From 0fd2427f4061b5dedfb4f9aff8b7bd0797da9d4f Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 26 Apr 2024 19:02:49 +1000
Subject: [PATCH 269/450] Add some more Javadoc with links

---
 commonmark/src/main/java/org/commonmark/parser/Parser.java | 7 +++++--
 .../commonmark/parser/beta/InlineContentParserFactory.java | 5 +++++
 .../commonmark/parser/delimiter/DelimiterProcessor.java    | 2 ++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 8d9eb3376..febe05b7c 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -219,7 +219,7 @@ public Builder customBlockParserFactory(BlockParserFactory blockParserFactory) {
         }
 
         /**
-         * Add a factory for a custom inline content parser, for additional inline parsing or overriding built-in parsing.
+         * Add a factory for a custom inline content parser, for extending inline parsing or overriding built-in parsing.
          * <p>
          * Note that parsers are triggered based on a special character as specified by
          * {@link InlineContentParserFactory#getTriggerCharacters()}. It is possible to register multiple parsers for the same
@@ -233,11 +233,14 @@ public Builder customInlineContentParserFactory(InlineContentParserFactory inlin
         }
 
         /**
-         * Add a custom delimiter processor.
+         * Add a custom delimiter processor for inline parsing.
          * <p>
          * Note that multiple delimiter processors with the same characters can be added, as long as they have a
          * different minimum length. In that case, the processor with the shortest matching length is used. Adding more
          * than one delimiter processor with the same character and minimum length is invalid.
+         * <p>
+         * If you want more control over how parsing is done, you might want to use
+         * {@link #customInlineContentParserFactory} instead.
          *
          * @param delimiterProcessor a delimiter processor implementation
          * @return {@code this}
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/InlineContentParserFactory.java b/commonmark/src/main/java/org/commonmark/parser/beta/InlineContentParserFactory.java
index 54a5d7f6f..c86f93a41 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/InlineContentParserFactory.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/InlineContentParserFactory.java
@@ -2,6 +2,11 @@
 
 import java.util.Set;
 
+/**
+ * A factory for extending inline content parsing.
+ * <p>
+ * See {@link org.commonmark.parser.Parser.Builder#customInlineContentParserFactory} for how to register it.
+ */
 public interface InlineContentParserFactory {
 
     /**
diff --git a/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterProcessor.java b/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterProcessor.java
index 897943d66..3b6abf214 100644
--- a/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterProcessor.java
+++ b/commonmark/src/main/java/org/commonmark/parser/delimiter/DelimiterProcessor.java
@@ -6,6 +6,8 @@
  * Custom delimiter processor for additional delimiters besides {@code _} and {@code *}.
  * <p>
  * Note that implementations of this need to be thread-safe, the same instance may be used by multiple parsers.
+ *
+ * @see org.commonmark.parser.beta.InlineContentParserFactory
  */
 public interface DelimiterProcessor {
 

From 6b16c69326710732d0ba94520c875b9798e30039 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 26 Apr 2024 19:03:18 +1000
Subject: [PATCH 270/450] README: Add section about customizing parsing

---
 README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.md b/README.md
index e4b07bfdc..bcf587f54 100644
--- a/README.md
+++ b/README.md
@@ -221,6 +221,19 @@ elements in the resulting HTML, you can create your own subclass of
 To define the HTML rendering for them, you can use a `NodeRenderer` as
 explained above.
 
+#### Customize parsing
+
+There are a few ways to extend parsing or even override built-in parsing,
+all of them via methods on `Parser.Builder`
+(see [Blocks and inlines](https://spec.commonmark.org/0.31.2/#blocks-and-inlines) in the spec for an overview of blocks/inlines):
+
+- Parsing of specific block types (e.g. headings, code blocks, etc) can be
+  enabled/disabled with `enabledBlockTypes`
+- Parsing of blocks can be extended/overridden with `customBlockParserFactory`
+- Parsing of inline content can be extended/overridden with `customInlineContentParserFactory`
+- Parsing of [delimiters](https://spec.commonmark.org/0.31.2/#emphasis-and-strong-emphasis) in inline content can be
+  extended with `customDelimiterProcessor`
+
 #### Thread-safety
 
 Both the `Parser` and `HtmlRenderer` are designed so that you can

From 3038d47b71affe081e4357fda3b779755c932552 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 26 Apr 2024 22:36:18 +1000
Subject: [PATCH 271/450] Make LinkReferenceDefinition extend Block

See https://github.com/commonmark/commonmark-java/issues/315#issuecomment-2040970376
---
 CHANGELOG.md                                                   | 3 +++
 .../main/java/org/commonmark/node/LinkReferenceDefinition.java | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2fc29ab3a..5b4afae55 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,9 @@ with the exception that 0.x versions can break between minor versions.
   extensions to hook into inline parsing on a deeper level than using delimiter
   processors. It could be used to implement support for math/latex formulas for
   example.
+### Changed
+- `LinkReferenceDefinition` now extends `Block` (it was extending `Node`
+  directly before)
 ### Fixed
 - Fix parsing of link reference definitions where it looks like it has a title
   but it doesn't because it's followed by characters other than space/tab. In that
diff --git a/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java b/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java
index 3f8bfd0f0..e63b0242a 100644
--- a/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java
+++ b/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java
@@ -11,7 +11,7 @@
  *
  * @see <a href="https://spec.commonmark.org/0.29/#link-reference-definition">Link reference definitions</a>
  */
-public class LinkReferenceDefinition extends Node {
+public class LinkReferenceDefinition extends Block {
 
     private String label;
     private String destination;

From 6c9e54ff1b508458c926bded28500c657a37eb27 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 26 Apr 2024 23:03:26 +1000
Subject: [PATCH 272/450] Use List.of, Set.of, Map.of

---
 README.md                                     |  4 +-
 .../commonmark/ext/autolink/AutolinkTest.java | 20 ++++----
 .../strikethrough/StrikethroughExtension.java |  3 +-
 .../StrikethroughHtmlNodeRenderer.java        |  7 ++-
 .../internal/StrikethroughNodeRenderer.java   |  3 +-
 .../StrikethroughMarkdownRendererTest.java    |  3 +-
 .../strikethrough/StrikethroughSpecTest.java  |  3 +-
 .../gfm/strikethrough/StrikethroughTest.java  |  9 ++--
 .../ext/gfm/tables/TablesExtension.java       |  3 +-
 .../internal/TableHtmlNodeRenderer.java       |  7 ++-
 .../tables/internal/TableNodeRenderer.java    | 16 ++----
 .../gfm/tables/TableMarkdownRendererTest.java |  3 +-
 .../ext/gfm/tables/TablesSpecTest.java        |  4 +-
 .../commonmark/ext/gfm/tables/TablesTest.java | 49 +++++++++----------
 .../ext/gfm/tables/TablesTextContentTest.java |  3 +-
 .../HeadingAnchorConfigurationTest.java       |  6 +--
 .../ext/heading/anchor/HeadingAnchorTest.java |  3 +-
 .../ImageAttributesDelimiterProcessor.java    |  3 +-
 .../image/attributes/ImageAttributesTest.java |  7 ++-
 .../org/commonmark/ext/ins/InsExtension.java  |  3 +-
 .../ext/ins/internal/InsHtmlNodeRenderer.java |  3 +-
 .../ext/ins/internal/InsNodeRenderer.java     |  3 +-
 .../ext/ins/InsMarkdownRendererTest.java      |  3 +-
 .../java/org/commonmark/ext/ins/InsTest.java  |  7 ++-
 .../TaskListItemHtmlNodeRenderer.java         |  3 +-
 .../task/list/items/TaskListItemsTest.java    |  3 +-
 .../ext/front/matter/YamlFrontMatterTest.java |  9 ++--
 .../commonmark/integration/Extensions.java    |  3 +-
 .../MarkdownRendererIntegrationTest.java      |  3 +-
 .../integration/PegDownBenchmark.java         |  3 +-
 .../commonmark/testutil/TestResources.java    |  3 +-
 .../commonmark/internal/DocumentParser.java   |  2 +-
 .../main/java/org/commonmark/node/Node.java   |  2 +-
 .../java/org/commonmark/node/SourceSpans.java |  3 +-
 .../java/org/commonmark/parser/Parser.java    |  2 +-
 .../renderer/html/CoreHtmlNodeRenderer.java   | 12 +++--
 .../renderer/html/DefaultUrlSanitizer.java    |  7 +--
 .../commonmark/renderer/html/HtmlWriter.java  |  3 +-
 .../markdown/CoreMarkdownNodeRenderer.java    | 14 +++---
 .../renderer/markdown/MarkdownRenderer.java   |  2 +-
 .../text/CoreTextContentNodeRenderer.java     | 10 ++--
 .../java/org/commonmark/ProfilingMain.java    |  3 +-
 .../internal/DocumentParserTest.java          | 14 +++---
 .../commonmark/parser/beta/ScannerTest.java   | 17 +++----
 .../test/DelimiterProcessorTest.java          |  3 +-
 .../org/commonmark/test/HtmlRendererTest.java |  7 ++-
 .../test/InlineParserContextTest.java         |  3 +-
 .../java/org/commonmark/test/ParserTest.java  |  7 ++-
 .../org/commonmark/test/SourceSpansTest.java  | 17 +++----
 .../org/commonmark/test/SpecBenchmark.java    |  5 +-
 .../org/commonmark/test/UsageExampleTest.java |  3 +-
 51 files changed, 144 insertions(+), 194 deletions(-)

diff --git a/README.md b/README.md
index bcf587f54..e2acc08b7 100644
--- a/README.md
+++ b/README.md
@@ -196,7 +196,7 @@ class IndentedCodeBlockNodeRenderer implements NodeRenderer {
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
         // Return the node types we want to use this renderer for.
-        return Collections.<Class<? extends Node>>singleton(IndentedCodeBlock.class);
+        return Set.of(IndentedCodeBlock.class);
     }
 
     @Override
@@ -274,7 +274,7 @@ Then, configure the extension on the builders:
 ```java
 import org.commonmark.ext.gfm.tables.TablesExtension;
 
-List<Extension> extensions = Arrays.asList(TablesExtension.create());
+List<Extension> extensions = List.of(TablesExtension.create());
 Parser parser = Parser.builder()
         .extensions(extensions)
         .build();
diff --git a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
index 2a9fd3b69..6c4c18d0a 100644
--- a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
+++ b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
@@ -8,17 +8,15 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
-import java.util.Arrays;
-import java.util.Collections;
+import java.util.List;
 import java.util.Set;
 
-import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
 public class AutolinkTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(AutolinkExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(AutolinkExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
@@ -73,43 +71,43 @@ public void sourceSpans() {
 
         Paragraph paragraph = (Paragraph) document.getFirstChild();
         Text abc = (Text) paragraph.getFirstChild();
-        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 3)),
+        assertEquals(List.of(SourceSpan.of(0, 0, 3)),
                 abc.getSourceSpans());
 
         assertTrue(abc.getNext() instanceof SoftLineBreak);
 
         Link one = (Link) abc.getNext().getNext();
         assertEquals("http://example.com/one", one.getDestination());
-        assertEquals(Arrays.asList(SourceSpan.of(1, 0, 22)),
+        assertEquals(List.of(SourceSpan.of(1, 0, 22)),
                 one.getSourceSpans());
 
         assertTrue(one.getNext() instanceof SoftLineBreak);
 
         Text def = (Text) one.getNext().getNext();
         assertEquals("def ", def.getLiteral());
-        assertEquals(Arrays.asList(SourceSpan.of(2, 0, 4)),
+        assertEquals(List.of(SourceSpan.of(2, 0, 4)),
                 def.getSourceSpans());
 
         Link two = (Link) def.getNext();
         assertEquals("http://example.com/two", two.getDestination());
-        assertEquals(Arrays.asList(SourceSpan.of(2, 4, 22)),
+        assertEquals(List.of(SourceSpan.of(2, 4, 22)),
                 two.getSourceSpans());
 
         assertTrue(two.getNext() instanceof SoftLineBreak);
 
         Text ghi = (Text) two.getNext().getNext();
         assertEquals("ghi ", ghi.getLiteral());
-        assertEquals(Arrays.asList(SourceSpan.of(3, 0, 4)),
+        assertEquals(List.of(SourceSpan.of(3, 0, 4)),
                 ghi.getSourceSpans());
 
         Link three = (Link) ghi.getNext();
         assertEquals("http://example.com/three", three.getDestination());
-        assertEquals(Arrays.asList(SourceSpan.of(3, 4, 24)),
+        assertEquals(List.of(SourceSpan.of(3, 4, 24)),
                 three.getSourceSpans());
 
         Text jkl = (Text) three.getNext();
         assertEquals(" jkl", jkl.getLiteral());
-        assertEquals(Arrays.asList(SourceSpan.of(3, 28, 4)),
+        assertEquals(List.of(SourceSpan.of(3, 28, 4)),
                 jkl.getSourceSpans());
     }
 
diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
index f87f3e9c8..364205aed 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/StrikethroughExtension.java
@@ -17,7 +17,6 @@
 import org.commonmark.renderer.text.TextContentNodeRendererFactory;
 import org.commonmark.renderer.text.TextContentRenderer;
 
-import java.util.Collections;
 import java.util.Set;
 
 /**
@@ -106,7 +105,7 @@ public NodeRenderer create(MarkdownNodeRendererContext context) {
 
             @Override
             public Set<Character> getSpecialCharacters() {
-                return Collections.singleton('~');
+                return Set.of('~');
             }
         });
     }
diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughHtmlNodeRenderer.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughHtmlNodeRenderer.java
index 4dd0de39b..b1a82cb03 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughHtmlNodeRenderer.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughHtmlNodeRenderer.java
@@ -1,10 +1,9 @@
 package org.commonmark.ext.gfm.strikethrough.internal;
 
-import org.commonmark.renderer.html.HtmlWriter;
-import org.commonmark.renderer.html.HtmlNodeRendererContext;
 import org.commonmark.node.Node;
+import org.commonmark.renderer.html.HtmlNodeRendererContext;
+import org.commonmark.renderer.html.HtmlWriter;
 
-import java.util.Collections;
 import java.util.Map;
 
 public class StrikethroughHtmlNodeRenderer extends StrikethroughNodeRenderer {
@@ -19,7 +18,7 @@ public StrikethroughHtmlNodeRenderer(HtmlNodeRendererContext context) {
 
     @Override
     public void render(Node node) {
-        Map<String, String> attributes = context.extendAttributes(node, "del", Collections.<String, String>emptyMap());
+        Map<String, String> attributes = context.extendAttributes(node, "del", Map.of());
         html.tag("del", attributes);
         renderChildren(node);
         html.tag("/del");
diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughNodeRenderer.java b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughNodeRenderer.java
index 4f3a12618..18ed21887 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughNodeRenderer.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/org/commonmark/ext/gfm/strikethrough/internal/StrikethroughNodeRenderer.java
@@ -4,13 +4,12 @@
 import org.commonmark.node.Node;
 import org.commonmark.renderer.NodeRenderer;
 
-import java.util.Collections;
 import java.util.Set;
 
 abstract class StrikethroughNodeRenderer implements NodeRenderer {
 
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
-        return Collections.<Class<? extends Node>>singleton(Strikethrough.class);
+        return Set.of(Strikethrough.class);
     }
 }
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java
index 96df48cec..507fc0a88 100644
--- a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java
@@ -5,14 +5,13 @@
 import org.commonmark.renderer.markdown.MarkdownRenderer;
 import org.junit.Test;
 
-import java.util.Collections;
 import java.util.Set;
 
 import static org.junit.Assert.assertEquals;
 
 public class StrikethroughMarkdownRendererTest {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(StrikethroughExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(StrikethroughExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(EXTENSIONS).build();
 
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java
index 4b907cf41..2ca5471b0 100644
--- a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java
@@ -12,14 +12,13 @@
 import org.junit.runners.Parameterized;
 import org.junit.runners.Parameterized.Parameters;
 
-import java.util.Collections;
 import java.util.List;
 import java.util.Set;
 
 @RunWith(Parameterized.class)
 public class StrikethroughSpecTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(StrikethroughExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(StrikethroughExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
index d8a754c72..de0a347f9 100644
--- a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
@@ -14,15 +14,14 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
-import java.util.Arrays;
+import java.util.List;
 import java.util.Set;
 
-import static java.util.Collections.singleton;
 import static org.junit.Assert.assertEquals;
 
 public class StrikethroughTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = singleton(StrikethroughExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(StrikethroughExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer HTML_RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
     private static final TextContentRenderer CONTENT_RENDERER = TextContentRenderer.builder()
@@ -98,7 +97,7 @@ public void textContentRenderer() {
     @Test
     public void requireTwoTildesOption() {
         Parser parser = Parser.builder()
-                .extensions(singleton(StrikethroughExtension.builder()
+                .extensions(Set.of(StrikethroughExtension.builder()
                         .requireTwoTildes(true)
                         .build()))
                 .customDelimiterProcessor(new SubscriptDelimiterProcessor())
@@ -118,7 +117,7 @@ public void sourceSpans() {
         Node document = parser.parse("hey ~~there~~\n");
         Paragraph block = (Paragraph) document.getFirstChild();
         Node strikethrough = block.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(0, 4, 9)),
+        assertEquals(List.of(SourceSpan.of(0, 4, 9)),
                 strikethrough.getSourceSpans());
     }
 
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
index d18c38283..f754b8276 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/TablesExtension.java
@@ -17,7 +17,6 @@
 import org.commonmark.renderer.text.TextContentNodeRendererFactory;
 import org.commonmark.renderer.text.TextContentRenderer;
 
-import java.util.Collections;
 import java.util.Set;
 
 /**
@@ -78,7 +77,7 @@ public NodeRenderer create(MarkdownNodeRendererContext context) {
 
             @Override
             public Set<Character> getSpecialCharacters() {
-                return Collections.singleton('|');
+                return Set.of('|');
             }
         });
     }
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableHtmlNodeRenderer.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableHtmlNodeRenderer.java
index a1de50aac..fd07e84df 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableHtmlNodeRenderer.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableHtmlNodeRenderer.java
@@ -5,7 +5,6 @@
 import org.commonmark.renderer.html.HtmlNodeRendererContext;
 import org.commonmark.renderer.html.HtmlWriter;
 
-import java.util.Collections;
 import java.util.Map;
 
 public class TableHtmlNodeRenderer extends TableNodeRenderer {
@@ -60,14 +59,14 @@ protected void renderCell(TableCell tableCell) {
     }
 
     private Map<String, String> getAttributes(Node node, String tagName) {
-        return context.extendAttributes(node, tagName, Collections.<String, String>emptyMap());
+        return context.extendAttributes(node, tagName, Map.of());
     }
 
     private Map<String, String> getCellAttributes(TableCell tableCell, String tagName) {
         if (tableCell.getAlignment() != null) {
-            return context.extendAttributes(tableCell, tagName, Collections.singletonMap("align", getAlignValue(tableCell.getAlignment())));
+            return context.extendAttributes(tableCell, tagName, Map.of("align", getAlignValue(tableCell.getAlignment())));
         } else {
-            return context.extendAttributes(tableCell, tagName, Collections.<String, String>emptyMap());
+            return context.extendAttributes(tableCell, tagName, Map.of());
         }
     }
 
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableNodeRenderer.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableNodeRenderer.java
index 93478a30b..2982e1518 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableNodeRenderer.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableNodeRenderer.java
@@ -1,28 +1,22 @@
 package org.commonmark.ext.gfm.tables.internal;
 
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Set;
-
-import org.commonmark.ext.gfm.tables.TableBlock;
-import org.commonmark.ext.gfm.tables.TableBody;
-import org.commonmark.ext.gfm.tables.TableCell;
-import org.commonmark.ext.gfm.tables.TableHead;
-import org.commonmark.ext.gfm.tables.TableRow;
+import org.commonmark.ext.gfm.tables.*;
 import org.commonmark.node.Node;
 import org.commonmark.renderer.NodeRenderer;
 
+import java.util.Set;
+
 abstract class TableNodeRenderer implements NodeRenderer {
 
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
-        return new HashSet<>(Arrays.asList(
+        return Set.of(
                 TableBlock.class,
                 TableHead.class,
                 TableBody.class,
                 TableRow.class,
                 TableCell.class
-        ));
+        );
     }
 
     @Override
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
index 1db917d08..16303b58c 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
@@ -5,14 +5,13 @@
 import org.commonmark.renderer.markdown.MarkdownRenderer;
 import org.junit.Test;
 
-import java.util.Collections;
 import java.util.Set;
 
 import static org.junit.Assert.assertEquals;
 
 public class TableMarkdownRendererTest {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(TablesExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(TablesExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(EXTENSIONS).build();
 
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java
index 00fc61401..d5ea8c836 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java
@@ -12,15 +12,13 @@
 import org.junit.runners.Parameterized;
 import org.junit.runners.Parameterized.Parameters;
 
-import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 import java.util.Set;
 
 @RunWith(Parameterized.class)
 public class TablesSpecTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(TablesExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(TablesExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index b03714d9a..c2a8031d6 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -12,10 +12,7 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 
 import static org.hamcrest.CoreMatchers.is;
 import static org.junit.Assert.assertEquals;
@@ -23,7 +20,7 @@
 
 public class TablesTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(TablesExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(TablesExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
@@ -794,49 +791,49 @@ public void sourceSpans() {
         Node document = parser.parse("Abc|Def\n---|---\n|1|2\n 3|four|\n|||\n");
 
         TableBlock block = (TableBlock) document.getFirstChild();
-        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 7),
+        assertEquals(List.of(SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 7),
                         SourceSpan.of(2, 0, 4), SourceSpan.of(3, 0, 8), SourceSpan.of(4, 0, 3)),
                 block.getSourceSpans());
 
         TableHead head = (TableHead) block.getFirstChild();
-        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 7)), head.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 7)), head.getSourceSpans());
 
         TableRow headRow = (TableRow) head.getFirstChild();
-        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 7)), headRow.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 7)), headRow.getSourceSpans());
         TableCell headRowCell1 = (TableCell) headRow.getFirstChild();
         TableCell headRowCell2 = (TableCell) headRow.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 3)), headRowCell1.getSourceSpans());
-        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 3)), headRowCell1.getFirstChild().getSourceSpans());
-        assertEquals(Arrays.asList(SourceSpan.of(0, 4, 3)), headRowCell2.getSourceSpans());
-        assertEquals(Arrays.asList(SourceSpan.of(0, 4, 3)), headRowCell2.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 3)), headRowCell1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 3)), headRowCell1.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 4, 3)), headRowCell2.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 4, 3)), headRowCell2.getFirstChild().getSourceSpans());
 
         TableBody body = (TableBody) block.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(2, 0, 4), SourceSpan.of(3, 0, 8), SourceSpan.of(4, 0, 3)), body.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 0, 4), SourceSpan.of(3, 0, 8), SourceSpan.of(4, 0, 3)), body.getSourceSpans());
 
         TableRow bodyRow1 = (TableRow) body.getFirstChild();
-        assertEquals(Arrays.asList(SourceSpan.of(2, 0, 4)), bodyRow1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 0, 4)), bodyRow1.getSourceSpans());
         TableCell bodyRow1Cell1 = (TableCell) bodyRow1.getFirstChild();
         TableCell bodyRow1Cell2 = (TableCell) bodyRow1.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(2, 1, 1)), bodyRow1Cell1.getSourceSpans());
-        assertEquals(Arrays.asList(SourceSpan.of(2, 1, 1)), bodyRow1Cell1.getFirstChild().getSourceSpans());
-        assertEquals(Arrays.asList(SourceSpan.of(2, 3, 1)), bodyRow1Cell2.getSourceSpans());
-        assertEquals(Arrays.asList(SourceSpan.of(2, 3, 1)), bodyRow1Cell2.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 1, 1)), bodyRow1Cell1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 1, 1)), bodyRow1Cell1.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 3, 1)), bodyRow1Cell2.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 3, 1)), bodyRow1Cell2.getFirstChild().getSourceSpans());
 
         TableRow bodyRow2 = (TableRow) body.getFirstChild().getNext();
-        assertEquals(Arrays.asList(SourceSpan.of(3, 0, 8)), bodyRow2.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 0, 8)), bodyRow2.getSourceSpans());
         TableCell bodyRow2Cell1 = (TableCell) bodyRow2.getFirstChild();
         TableCell bodyRow2Cell2 = (TableCell) bodyRow2.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(3, 1, 1)), bodyRow2Cell1.getSourceSpans());
-        assertEquals(Arrays.asList(SourceSpan.of(3, 1, 1)), bodyRow2Cell1.getFirstChild().getSourceSpans());
-        assertEquals(Arrays.asList(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getSourceSpans());
-        assertEquals(Arrays.asList(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 1, 1)), bodyRow2Cell1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 1, 1)), bodyRow2Cell1.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getFirstChild().getSourceSpans());
 
         TableRow bodyRow3 = (TableRow) body.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(4, 0, 3)), bodyRow3.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(4, 0, 3)), bodyRow3.getSourceSpans());
         TableCell bodyRow3Cell1 = (TableCell) bodyRow3.getFirstChild();
         TableCell bodyRow3Cell2 = (TableCell) bodyRow3.getLastChild();
-        assertEquals(Collections.emptyList(), bodyRow3Cell1.getSourceSpans());
-        assertEquals(Collections.emptyList(), bodyRow3Cell2.getSourceSpans());
+        assertEquals(List.of(), bodyRow3Cell1.getSourceSpans());
+        assertEquals(List.of(), bodyRow3Cell2.getSourceSpans());
     }
 
     @Override
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java
index 6d859f1c9..7d6feb248 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java
@@ -6,12 +6,11 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
-import java.util.Collections;
 import java.util.Set;
 
 public class TablesTextContentTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(TablesExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(TablesExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final TextContentRenderer RENDERER = TextContentRenderer.builder().extensions(EXTENSIONS).build();
 
diff --git a/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorConfigurationTest.java b/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorConfigurationTest.java
index 5a7f47cd3..af2ae13cf 100644
--- a/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorConfigurationTest.java
+++ b/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorConfigurationTest.java
@@ -5,7 +5,7 @@
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.junit.Test;
 
-import java.util.Arrays;
+import java.util.List;
 
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.MatcherAssert.assertThat;
@@ -21,14 +21,14 @@ private HtmlRenderer buildRenderer(String defaultId, String prefix, String suffi
                 .idSuffix(suffix)
                 .build();
         return HtmlRenderer.builder()
-                .extensions(Arrays.asList(ext))
+                .extensions(List.of(ext))
                 .build();
     }
 
     @Test
     public void testDefaultConfigurationHasNoAdditions() {
         HtmlRenderer renderer = HtmlRenderer.builder()
-                .extensions(Arrays.asList(HeadingAnchorExtension.create()))
+                .extensions(List.of(HeadingAnchorExtension.create()))
                 .build();
         assertThat(doRender(renderer, "# "), equalTo("<h1 id=\"id\"></h1>\n"));
     }
diff --git a/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorTest.java b/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorTest.java
index 821aa9a84..872306bed 100644
--- a/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorTest.java
+++ b/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorTest.java
@@ -6,12 +6,11 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
-import java.util.Collections;
 import java.util.Set;
 
 public class HeadingAnchorTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(HeadingAnchorExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(HeadingAnchorExtension.create());
     private static final Parser PARSER = Parser.builder().build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
diff --git a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
index a584948e3..a335ccadc 100644
--- a/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
+++ b/commonmark-ext-image-attributes/src/main/java/org/commonmark/ext/image/attributes/internal/ImageAttributesDelimiterProcessor.java
@@ -13,8 +13,7 @@
 public class ImageAttributesDelimiterProcessor implements DelimiterProcessor {
 
     // Only allow a defined set of attributes to be used.
-    private static final Set<String> SUPPORTED_ATTRIBUTES = Collections.unmodifiableSet(
-            new HashSet<>(Arrays.asList("width", "height")));
+    private static final Set<String> SUPPORTED_ATTRIBUTES = Set.of("width", "height");
 
     @Override
     public char getOpeningCharacter() {
diff --git a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
index b7d8a84c3..112bf53d3 100644
--- a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
+++ b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
@@ -10,15 +10,14 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
-import java.util.Arrays;
-import java.util.Collections;
+import java.util.List;
 import java.util.Set;
 
 import static org.junit.Assert.assertEquals;
 
 public class ImageAttributesTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(ImageAttributesExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(ImageAttributesExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
@@ -132,7 +131,7 @@ public void sourceSpans() {
         Node document = parser.parse("x{height=3 width=4}\n");
         Paragraph block = (Paragraph) document.getFirstChild();
         Node text = block.getFirstChild();
-        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 19)),
+        assertEquals(List.of(SourceSpan.of(0, 0, 19)),
                 text.getSourceSpans());
     }
 
diff --git a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java
index 065719558..e8a53e59a 100644
--- a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java
+++ b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/InsExtension.java
@@ -17,7 +17,6 @@
 import org.commonmark.renderer.text.TextContentNodeRendererFactory;
 import org.commonmark.renderer.text.TextContentRenderer;
 
-import java.util.Collections;
 import java.util.Set;
 
 /**
@@ -77,7 +76,7 @@ public NodeRenderer create(MarkdownNodeRendererContext context) {
             public Set<Character> getSpecialCharacters() {
                 // We technically don't need to escape single occurrences of +, but that's all the extension API
                 // exposes currently.
-                return Collections.singleton('+');
+                return Set.of('+');
             }
         });
     }
diff --git a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsHtmlNodeRenderer.java b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsHtmlNodeRenderer.java
index 139a0b2cd..dcd05fd59 100644
--- a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsHtmlNodeRenderer.java
+++ b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsHtmlNodeRenderer.java
@@ -4,7 +4,6 @@
 import org.commonmark.renderer.html.HtmlNodeRendererContext;
 import org.commonmark.renderer.html.HtmlWriter;
 
-import java.util.Collections;
 import java.util.Map;
 
 public class InsHtmlNodeRenderer extends InsNodeRenderer {
@@ -19,7 +18,7 @@ public InsHtmlNodeRenderer(HtmlNodeRendererContext context) {
 
     @Override
     public void render(Node node) {
-        Map<String, String> attributes = context.extendAttributes(node, "ins", Collections.<String, String>emptyMap());
+        Map<String, String> attributes = context.extendAttributes(node, "ins", Map.of());
         html.tag("ins", attributes);
         renderChildren(node);
         html.tag("/ins");
diff --git a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsNodeRenderer.java b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsNodeRenderer.java
index 0a44a2826..31f0a64ec 100644
--- a/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsNodeRenderer.java
+++ b/commonmark-ext-ins/src/main/java/org/commonmark/ext/ins/internal/InsNodeRenderer.java
@@ -4,13 +4,12 @@
 import org.commonmark.node.Node;
 import org.commonmark.renderer.NodeRenderer;
 
-import java.util.Collections;
 import java.util.Set;
 
 abstract class InsNodeRenderer implements NodeRenderer {
 
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
-        return Collections.<Class<? extends Node>>singleton(Ins.class);
+        return Set.of(Ins.class);
     }
 }
diff --git a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java
index 16cefc7f1..28f2cd354 100644
--- a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java
+++ b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java
@@ -5,14 +5,13 @@
 import org.commonmark.renderer.markdown.MarkdownRenderer;
 import org.junit.Test;
 
-import java.util.Collections;
 import java.util.Set;
 
 import static org.junit.Assert.assertEquals;
 
 public class InsMarkdownRendererTest {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(InsExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(InsExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(EXTENSIONS).build();
 
diff --git a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
index c9591af5e..0fd8d512a 100644
--- a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
+++ b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
@@ -11,15 +11,14 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
-import java.util.Arrays;
-import java.util.Collections;
+import java.util.List;
 import java.util.Set;
 
 import static org.junit.Assert.assertEquals;
 
 public class InsTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(InsExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(InsExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
     private static final TextContentRenderer CONTENT_RENDERER = TextContentRenderer.builder()
@@ -103,7 +102,7 @@ public void sourceSpans() {
         Node document = parser.parse("hey ++there++\n");
         Paragraph block = (Paragraph) document.getFirstChild();
         Node ins = block.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(0, 4, 9)),
+        assertEquals(List.of(SourceSpan.of(0, 4, 9)),
                 ins.getSourceSpans());
     }
 
diff --git a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java
index f2b2215f6..331b301e9 100644
--- a/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java
+++ b/commonmark-ext-task-list-items/src/main/java/org/commonmark/ext/task/list/items/internal/TaskListItemHtmlNodeRenderer.java
@@ -6,7 +6,6 @@
 import org.commonmark.renderer.html.HtmlNodeRendererContext;
 import org.commonmark.renderer.html.HtmlWriter;
 
-import java.util.Collections;
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Set;
@@ -23,7 +22,7 @@ public TaskListItemHtmlNodeRenderer(HtmlNodeRendererContext context) {
 
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
-        return Collections.<Class<? extends Node>>singleton(TaskListItemMarker.class);
+        return Set.of(TaskListItemMarker.class);
     }
 
     @Override
diff --git a/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java b/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java
index 3e6c6a259..c13e10bb7 100644
--- a/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java
+++ b/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java
@@ -6,12 +6,11 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
-import java.util.Collections;
 import java.util.Set;
 
 public class TaskListItemsTest extends RenderingTestCase {
 
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(TaskListItemsExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(TaskListItemsExtension.create());
     private static final String HTML_CHECKED = "<input type=\"checkbox\" disabled=\"\" checked=\"\">";
     private static final String HTML_UNCHECKED = "<input type=\"checkbox\" disabled=\"\">";
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
diff --git a/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java b/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
index a5f203b97..f46c11b3c 100644
--- a/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
+++ b/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
@@ -8,7 +8,6 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
-import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -17,7 +16,7 @@
 import static org.junit.Assert.assertTrue;
 
 public class YamlFrontMatterTest extends RenderingTestCase {
-    private static final Set<Extension> EXTENSIONS = Collections.singleton(YamlFrontMatterExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(YamlFrontMatterExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
@@ -243,7 +242,7 @@ public void visitorIgnoresOtherCustomNodes() {
         Map<String, List<String>> data = visitor.getData();
         assertEquals(1, data.size());
         assertTrue(data.containsKey("hello"));
-        assertEquals(Collections.singletonList("world"), data.get("hello"));
+        assertEquals(List.of("world"), data.get("hello"));
     }
 
     @Test
@@ -256,7 +255,7 @@ public void nodesCanBeModified() {
         Node document = PARSER.parse(input);
         YamlFrontMatterNode node = (YamlFrontMatterNode) document.getFirstChild().getFirstChild();
         node.setKey("see");
-        node.setValues(Collections.singletonList("you"));
+        node.setValues(List.of("you"));
 
         YamlFrontMatterVisitor visitor = new YamlFrontMatterVisitor();
         document.accept(visitor);
@@ -264,7 +263,7 @@ public void nodesCanBeModified() {
         Map<String, List<String>> data = visitor.getData();
         assertEquals(1, data.size());
         assertTrue(data.containsKey("see"));
-        assertEquals(Collections.singletonList("you"), data.get("see"));
+        assertEquals(List.of("you"), data.get("see"));
     }
 
     @Test
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
index 5eddcc57a..ee7ee5290 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
@@ -9,12 +9,11 @@
 import org.commonmark.ext.ins.InsExtension;
 import org.commonmark.ext.task.list.items.TaskListItemsExtension;
 
-import java.util.Arrays;
 import java.util.List;
 
 public class Extensions {
 
-    static final List<Extension> ALL_EXTENSIONS = Arrays.asList(
+    static final List<Extension> ALL_EXTENSIONS = List.of(
             AutolinkExtension.create(),
             ImageAttributesExtension.create(),
             InsExtension.create(),
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java
index 51f761cfd..f05efe1c3 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java
@@ -12,14 +12,13 @@
 import org.commonmark.renderer.markdown.MarkdownRenderer;
 import org.junit.Test;
 
-import java.util.Arrays;
 import java.util.List;
 
 import static org.junit.Assert.assertEquals;
 
 public class MarkdownRendererIntegrationTest {
 
-    private static final List<Extension> EXTENSIONS = Arrays.asList(
+    private static final List<Extension> EXTENSIONS = List.of(
             AutolinkExtension.create(),
             ImageAttributesExtension.create(),
             InsExtension.create(),
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/PegDownBenchmark.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/PegDownBenchmark.java
index 7b61242f4..ecc9c2cfd 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/PegDownBenchmark.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/PegDownBenchmark.java
@@ -12,7 +12,6 @@
 import org.pegdown.Extensions;
 import org.pegdown.PegDownProcessor;
 
-import java.util.Collections;
 import java.util.List;
 
 @State(Scope.Benchmark)
@@ -32,7 +31,7 @@ public static void main(String[] args) throws Exception {
 
     @Benchmark
     public long wholeSpec() {
-        return parseAndRender(Collections.singletonList(SPEC));
+        return parseAndRender(List.of(SPEC));
     }
 
     @Benchmark
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java
index ac4d3f1c2..3012f2714 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java
@@ -5,7 +5,6 @@
 import java.io.InputStreamReader;
 import java.net.URL;
 import java.nio.charset.Charset;
-import java.util.Arrays;
 import java.util.List;
 
 public class TestResources {
@@ -19,7 +18,7 @@ public static URL getGfmSpec() {
     }
 
     public static List<URL> getRegressions() {
-        return Arrays.asList(
+        return List.of(
                 TestResources.class.getResource("/cmark-regression.txt"),
                 TestResources.class.getResource("/commonmark.js-regression.txt")
         );
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 6884c56a9..e8c0f837b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -15,7 +15,7 @@
 
 public class DocumentParser implements ParserState {
 
-    private static final Set<Class<? extends Block>> CORE_FACTORY_TYPES = new LinkedHashSet<>(Arrays.asList(
+    private static final Set<Class<? extends Block>> CORE_FACTORY_TYPES = new LinkedHashSet<>(List.of(
             BlockQuote.class,
             Heading.class,
             FencedCodeBlock.class,
diff --git a/commonmark/src/main/java/org/commonmark/node/Node.java b/commonmark/src/main/java/org/commonmark/node/Node.java
index 5a2f036e4..4f806d550 100644
--- a/commonmark/src/main/java/org/commonmark/node/Node.java
+++ b/commonmark/src/main/java/org/commonmark/node/Node.java
@@ -120,7 +120,7 @@ public void insertBefore(Node sibling) {
      * @since 0.16.0
      */
     public List<SourceSpan> getSourceSpans() {
-        return sourceSpans != null ? Collections.unmodifiableList(sourceSpans) : Collections.<SourceSpan>emptyList();
+        return sourceSpans != null ? Collections.unmodifiableList(sourceSpans) : List.of();
     }
 
     /**
diff --git a/commonmark/src/main/java/org/commonmark/node/SourceSpans.java b/commonmark/src/main/java/org/commonmark/node/SourceSpans.java
index 3ab29f536..5118dea75 100644
--- a/commonmark/src/main/java/org/commonmark/node/SourceSpans.java
+++ b/commonmark/src/main/java/org/commonmark/node/SourceSpans.java
@@ -1,7 +1,6 @@
 package org.commonmark.node;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 /**
@@ -18,7 +17,7 @@ public static SourceSpans empty() {
     }
 
     public List<SourceSpan> getSourceSpans() {
-        return sourceSpans != null ? sourceSpans : Collections.<SourceSpan>emptyList();
+        return sourceSpans != null ? sourceSpans : List.of();
     }
 
     public void addAllFrom(Iterable<? extends Node> nodes) {
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index febe05b7c..129110b99 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -169,7 +169,7 @@ public Builder extensions(Iterable<? extends Extension> extensions) {
          * E.g., to only parse headings and lists:
          * <pre>
          *     {@code
-         *     Parser.builder().enabledBlockTypes(new HashSet<>(Arrays.asList(Heading.class, ListBlock.class)));
+         *     Parser.builder().enabledBlockTypes(Set.of(Heading.class, ListBlock.class));
          *     }
          * </pre>
          *
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
index 47343b53c..115d553f0 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
@@ -3,7 +3,9 @@
 import org.commonmark.node.*;
 import org.commonmark.renderer.NodeRenderer;
 
-import java.util.*;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Set;
 
 /**
  * The node renderer that renders all the core nodes (comes last in the order of node renderers).
@@ -20,7 +22,7 @@ public CoreHtmlNodeRenderer(HtmlNodeRendererContext context) {
 
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
-        return new HashSet<>(Arrays.asList(
+        return Set.of(
                 Document.class,
                 Heading.class,
                 Paragraph.class,
@@ -41,7 +43,7 @@ public Set<Class<? extends Node>> getNodeTypes() {
                 HtmlInline.class,
                 SoftLineBreak.class,
                 HardLineBreak.class
-        ));
+        );
     }
 
     @Override
@@ -135,7 +137,7 @@ public void visit(ThematicBreak thematicBreak) {
 
     @Override
     public void visit(IndentedCodeBlock indentedCodeBlock) {
-        renderCodeBlock(indentedCodeBlock.getLiteral(), indentedCodeBlock, Collections.<String, String>emptyMap());
+        renderCodeBlock(indentedCodeBlock.getLiteral(), indentedCodeBlock, Map.of());
     }
 
     @Override
@@ -287,7 +289,7 @@ private boolean isInTightList(Paragraph paragraph) {
     }
 
     private Map<String, String> getAttrs(Node node, String tagName) {
-        return getAttrs(node, tagName, Collections.<String, String>emptyMap());
+        return getAttrs(node, tagName, Map.of());
     }
 
     private Map<String, String> getAttrs(Node node, String tagName, Map<String, String> defaultAttributes) {
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java b/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
index 6cc96c5e7..032b8ef2e 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
@@ -1,9 +1,6 @@
 package org.commonmark.renderer.html;
 
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.Set;
+import java.util.*;
 
 /**
  *
@@ -15,7 +12,7 @@ public class DefaultUrlSanitizer implements UrlSanitizer {
     private Set<String> protocols;
 
     public DefaultUrlSanitizer() {
-        this(Arrays.asList("http", "https", "mailto"));
+        this(List.of("http", "https", "mailto"));
     }
 
     public DefaultUrlSanitizer(Collection<String> protocols) {
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java
index 8c79eb8b4..2b4b2896d 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java
@@ -3,12 +3,11 @@
 import org.commonmark.internal.util.Escaping;
 
 import java.io.IOException;
-import java.util.Collections;
 import java.util.Map;
 
 public class HtmlWriter {
 
-    private static final Map<String, String> NO_ATTRIBUTES = Collections.emptyMap();
+    private static final Map<String, String> NO_ATTRIBUTES = Map.of();
 
     private final Appendable buffer;
     private char lastChar = 0;
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 229d9d262..8a9e57251 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -1,13 +1,11 @@
 package org.commonmark.renderer.markdown;
 
-import org.commonmark.text.AsciiMatcher;
 import org.commonmark.node.*;
-import org.commonmark.text.CharMatcher;
 import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.text.AsciiMatcher;
+import org.commonmark.text.CharMatcher;
 import org.commonmark.text.Characters;
 
-import java.util.Arrays;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.regex.Matcher;
@@ -51,7 +49,7 @@ public CoreMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
 
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
-        return new HashSet<>(Arrays.asList(
+        return Set.of(
                 BlockQuote.class,
                 BulletList.class,
                 Code.class,
@@ -72,7 +70,7 @@ public Set<Class<? extends Node>> getNodeTypes() {
                 StrongEmphasis.class,
                 Text.class,
                 ThematicBreak.class
-        ));
+        );
     }
 
     @Override
@@ -470,9 +468,9 @@ private static List<String> getLines(String literal) {
         if (parts[parts.length - 1].isEmpty()) {
             // But we don't want the last empty string, as "\n" is used as a line terminator (not a separator),
             // so return without the last element.
-            return Arrays.asList(parts).subList(0, parts.length - 1);
+            return List.of(parts).subList(0, parts.length - 1);
         } else {
-            return Arrays.asList(parts);
+            return List.of(parts);
         }
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
index 2ee89ea1a..7683b6921 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
@@ -38,7 +38,7 @@ public NodeRenderer create(MarkdownNodeRendererContext context) {
 
             @Override
             public Set<Character> getSpecialCharacters() {
-                return Collections.emptySet();
+                return Set.of();
             }
         });
     }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
index a5f9db518..6dcc9d1eb 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
@@ -1,13 +1,11 @@
 package org.commonmark.renderer.text;
 
-import org.commonmark.node.*;
-import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.internal.renderer.text.BulletListHolder;
 import org.commonmark.internal.renderer.text.ListHolder;
 import org.commonmark.internal.renderer.text.OrderedListHolder;
+import org.commonmark.node.*;
+import org.commonmark.renderer.NodeRenderer;
 
-import java.util.Arrays;
-import java.util.HashSet;
 import java.util.Set;
 
 /**
@@ -27,7 +25,7 @@ public CoreTextContentNodeRenderer(TextContentNodeRendererContext context) {
 
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
-        return new HashSet<>(Arrays.asList(
+        return Set.of(
                 Document.class,
                 Heading.class,
                 Paragraph.class,
@@ -48,7 +46,7 @@ public Set<Class<? extends Node>> getNodeTypes() {
                 HtmlInline.class,
                 SoftLineBreak.class,
                 HardLineBreak.class
-        ));
+        );
     }
 
     @Override
diff --git a/commonmark/src/test/java/org/commonmark/ProfilingMain.java b/commonmark/src/test/java/org/commonmark/ProfilingMain.java
index 31ae2b5f5..83b1bdaff 100644
--- a/commonmark/src/test/java/org/commonmark/ProfilingMain.java
+++ b/commonmark/src/test/java/org/commonmark/ProfilingMain.java
@@ -6,7 +6,6 @@
 import org.commonmark.testutil.TestResources;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 public class ProfilingMain {
@@ -20,7 +19,7 @@ public static void main(String[] args) throws Exception {
         System.out.println("Attach profiler, then press enter to start parsing.");
         System.in.read();
         System.out.println("Parsing");
-        List<Node> nodes = parse(Collections.singletonList(SPEC));
+        List<Node> nodes = parse(List.of(SPEC));
         System.out.println("Finished parsing, press enter to start rendering");
         System.in.read();
         System.out.println(render(nodes));
diff --git a/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java b/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java
index c4d848362..621bef25b 100644
--- a/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java
@@ -4,18 +4,16 @@
 import org.commonmark.parser.block.BlockParserFactory;
 import org.junit.Test;
 
-import java.util.Arrays;
-import java.util.Collections;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
-import java.util.HashSet;
 
 import static org.hamcrest.CoreMatchers.is;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 
 public class DocumentParserTest {
-    private static List<BlockParserFactory> CORE_FACTORIES = Arrays.<BlockParserFactory>asList(
+    private static final List<BlockParserFactory> CORE_FACTORIES = List.of(
             new BlockQuoteParser.Factory(),
             new HeadingParser.Factory(),
             new FencedCodeBlockParser.Factory(),
@@ -26,10 +24,10 @@ public class DocumentParserTest {
 
     @Test
     public void calculateBlockParserFactories_givenAFullListOfAllowedNodes_includesAllCoreFactories() {
-        List<BlockParserFactory> customParserFactories = Collections.emptyList();
-        Set<Class<? extends Block>> nodes = new HashSet<>(Arrays.asList(BlockQuote.class, Heading.class, FencedCodeBlock.class, HtmlBlock.class, ThematicBreak.class, ListBlock.class, IndentedCodeBlock.class));
+        List<BlockParserFactory> customParserFactories = List.of();
+        var enabledBlockTypes = Set.of(BlockQuote.class, Heading.class, FencedCodeBlock.class, HtmlBlock.class, ThematicBreak.class, ListBlock.class, IndentedCodeBlock.class);
 
-        List<BlockParserFactory> blockParserFactories = DocumentParser.calculateBlockParserFactories(customParserFactories, nodes);
+        List<BlockParserFactory> blockParserFactories = DocumentParser.calculateBlockParserFactories(customParserFactories, enabledBlockTypes);
         assertThat(blockParserFactories.size(), is(CORE_FACTORIES.size()));
 
         for (BlockParserFactory factory : CORE_FACTORIES) {
@@ -39,7 +37,7 @@ public void calculateBlockParserFactories_givenAFullListOfAllowedNodes_includesA
 
     @Test
     public void calculateBlockParserFactories_givenAListOfAllowedNodes_includesAssociatedFactories() {
-        List<BlockParserFactory> customParserFactories = Collections.emptyList();
+        List<BlockParserFactory> customParserFactories = List.of();
         Set<Class<? extends Block>> nodes = new HashSet<>();
         nodes.add(IndentedCodeBlock.class);
 
diff --git a/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java b/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
index 668f852c4..df8c51758 100644
--- a/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
+++ b/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
@@ -3,12 +3,9 @@
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.SourceLines;
-import org.commonmark.parser.beta.Position;
-import org.commonmark.parser.beta.Scanner;
 import org.junit.Test;
 
-import java.util.Arrays;
-import java.util.Collections;
+import java.util.List;
 
 import static org.junit.Assert.*;
 
@@ -16,7 +13,7 @@ public class ScannerTest {
 
     @Test
     public void testNext() {
-        Scanner scanner = new Scanner(Collections.singletonList(
+        Scanner scanner = new Scanner(List.of(
                 SourceLine.of("foo bar", null)),
                 0, 4);
         assertEquals('b', scanner.peek());
@@ -30,7 +27,7 @@ public void testNext() {
 
     @Test
     public void testMultipleLines() {
-        Scanner scanner = new Scanner(Arrays.asList(
+        Scanner scanner = new Scanner(List.of(
                 SourceLine.of("ab", null),
                 SourceLine.of("cde", null)),
                 0, 0);
@@ -71,7 +68,7 @@ public void testMultipleLines() {
 
     @Test
     public void testCodePoints() {
-        Scanner scanner = new Scanner(Arrays.asList(SourceLine.of("\uD83D\uDE0A", null)), 0, 0);
+        Scanner scanner = new Scanner(List.of(SourceLine.of("\uD83D\uDE0A", null)), 0, 0);
 
         assertTrue(scanner.hasNext());
         assertEquals('\0', scanner.peekPreviousCodePoint());
@@ -87,7 +84,7 @@ public void testCodePoints() {
 
     @Test
     public void testTextBetween() {
-        Scanner scanner = new Scanner(Arrays.asList(
+        Scanner scanner = new Scanner(List.of(
                 SourceLine.of("ab", SourceSpan.of(10, 3, 2)),
                 SourceLine.of("cde", SourceSpan.of(11, 4, 3))),
                 0, 0);
@@ -143,12 +140,12 @@ public void testTextBetween() {
 
     private void assertSourceLines(SourceLines sourceLines, String expectedContent, SourceSpan... expectedSourceSpans) {
         assertEquals(expectedContent, sourceLines.getContent());
-        assertEquals(Arrays.asList(expectedSourceSpans), sourceLines.getSourceSpans());
+        assertEquals(List.of(expectedSourceSpans), sourceLines.getSourceSpans());
     }
 
     @Test
     public void nextString() {
-        Scanner scanner = Scanner.of(SourceLines.of(Arrays.asList(
+        Scanner scanner = Scanner.of(SourceLines.of(List.of(
                 SourceLine.of("hey ya", null),
                 SourceLine.of("hi", null))));
         assertFalse(scanner.next("hoy"));
diff --git a/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java b/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
index d2e20a64f..680c40bf2 100644
--- a/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
@@ -13,7 +13,6 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
-import java.util.Collections;
 import java.util.Locale;
 import java.util.Set;
 
@@ -159,7 +158,7 @@ private UpperCaseNodeRenderer(HtmlNodeRendererContext context) {
 
         @Override
         public Set<Class<? extends Node>> getNodeTypes() {
-            return Collections.<Class<? extends Node>>singleton(UpperCaseNode.class);
+            return Set.of(UpperCaseNode.class);
         }
 
         @Override
diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
index 18ce967b2..7aec21ceb 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
@@ -7,7 +7,10 @@
 import org.commonmark.testutil.TestResources;
 import org.junit.Test;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -214,7 +217,7 @@ public NodeRenderer create(final HtmlNodeRendererContext context) {
                 return new NodeRenderer() {
                     @Override
                     public Set<Class<? extends Node>> getNodeTypes() {
-                        return Collections.<Class<? extends Node>>singleton(Link.class);
+                        return Set.of(Link.class);
                     }
 
                     @Override
diff --git a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
index 9fa7fb0da..26a7da559 100644
--- a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
@@ -12,7 +12,6 @@
 import org.junit.Test;
 
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
 
 import static org.junit.Assert.assertEquals;
@@ -29,7 +28,7 @@ public void labelShouldBeOriginalNotNormalized() {
         String rendered = HtmlRenderer.builder().build().render(parser.parse(input));
 
         // Lookup should pass original label to context
-        assertEquals(Collections.singletonList("FooBarBaz"), inlineParserFactory.lookups);
+        assertEquals(List.of("FooBarBaz"), inlineParserFactory.lookups);
 
         // Context should normalize label for finding reference
         assertEquals("<p><a href=\"/url\">link with special label</a></p>\n", rendered);
diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index 9a91aa40a..a8a36f707 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -11,7 +11,10 @@
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.nio.charset.Charset;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -75,7 +78,7 @@ public void enabledBlockTypes() {
     @Test(expected = IllegalArgumentException.class)
     public void enabledBlockTypesThrowsWhenGivenUnknownClass() {
         // BulletList can't be enabled separately at the moment, only all ListBlock types
-        Parser.builder().enabledBlockTypes(new HashSet<>(Arrays.asList(Heading.class, BulletList.class))).build();
+        Parser.builder().enabledBlockTypes(Set.of(Heading.class, BulletList.class)).build();
     }
 
     @Test
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index 59241e49d..8eb6260d0 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -6,7 +6,6 @@
 import org.junit.Test;
 
 import java.util.ArrayDeque;
-import java.util.Arrays;
 import java.util.Deque;
 import java.util.List;
 
@@ -91,7 +90,7 @@ public void fencedCodeBlock() {
 
         Node document = PARSER.parse("```\nfoo\n```\nbar\n");
         Paragraph paragraph = (Paragraph) document.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(3, 0, 3)), paragraph.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 0, 3)), paragraph.getSourceSpans());
     }
 
     @Test
@@ -134,7 +133,7 @@ public void listBlock() {
 
         Node document = PARSER.parse("* foo\n  * bar\n");
         ListBlock listBlock = (ListBlock) document.getFirstChild().getFirstChild().getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(1, 2, 5)), listBlock.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 2, 5)), listBlock.getSourceSpans());
     }
 
     @Test
@@ -159,10 +158,10 @@ public void linkReferenceDefinition() {
         Node document = PARSER.parse("[foo]: /url\ntext\n");
 
         LinkReferenceDefinition linkReferenceDefinition = (LinkReferenceDefinition) document.getFirstChild();
-        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 11)), linkReferenceDefinition.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 11)), linkReferenceDefinition.getSourceSpans());
 
         Paragraph paragraph = (Paragraph) document.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(1, 0, 4)), paragraph.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 0, 4)), paragraph.getSourceSpans());
     }
 
     @Test
@@ -199,10 +198,10 @@ public void linkReferenceDefinitionHeading() {
         Node document = PARSER.parse("[foo]: /url\nHeading\n===\n");
 
         LinkReferenceDefinition linkReferenceDefinition = (LinkReferenceDefinition) document.getFirstChild();
-        assertEquals(Arrays.asList(SourceSpan.of(0, 0, 11)), linkReferenceDefinition.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 11)), linkReferenceDefinition.getSourceSpans());
 
         Heading heading = (Heading) document.getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(1, 0, 7), SourceSpan.of(2, 0, 3)), heading.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 0, 7), SourceSpan.of(2, 0, 3)), heading.getSourceSpans());
     }
 
     @Test
@@ -296,7 +295,7 @@ public void inlineEmphasis() {
 
         Node document = INLINES_PARSER.parse("*hey**");
         Node lastText = document.getFirstChild().getLastChild();
-        assertEquals(Arrays.asList(SourceSpan.of(0, 5, 1)), lastText.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 5, 1)), lastText.getSourceSpans());
     }
 
     @Test
@@ -322,7 +321,7 @@ private static void assertInlineSpans(String input, Class<? extends Node> nodeCl
 
     private static void assertSpans(Node rootNode, Class<? extends Node> nodeClass, SourceSpan... expectedSourceSpans) {
         Node node = findNode(rootNode, nodeClass);
-        assertEquals(Arrays.asList(expectedSourceSpans), node.getSourceSpans());
+        assertEquals(List.of(expectedSourceSpans), node.getSourceSpans());
     }
 
     private static Node findNode(Node rootNode, Class<? extends Node> nodeClass) {
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecBenchmark.java b/commonmark/src/test/java/org/commonmark/test/SpecBenchmark.java
index 99da7aa25..e7bb080a8 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecBenchmark.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecBenchmark.java
@@ -11,7 +11,6 @@
 import org.openjdk.jmh.runner.options.Options;
 import org.openjdk.jmh.runner.options.OptionsBuilder;
 
-import java.util.Collections;
 import java.util.List;
 
 @State(Scope.Benchmark)
@@ -37,7 +36,7 @@ public static void main(String[] args) throws Exception {
 
     @Benchmark
     public long parseWholeSpec() {
-        return parse(Collections.singletonList(SPEC));
+        return parse(List.of(SPEC));
     }
 
     @Benchmark
@@ -47,7 +46,7 @@ public long parseExamples() {
 
     @Benchmark
     public long parseAndRenderWholeSpec() {
-        return parseAndRender(Collections.singletonList(SPEC));
+        return parseAndRender(List.of(SPEC));
     }
 
     @Benchmark
diff --git a/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java b/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
index 08235965a..1ffb7b64a 100644
--- a/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
@@ -12,7 +12,6 @@
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.nio.charset.StandardCharsets;
-import java.util.Collections;
 import java.util.Map;
 import java.util.Set;
 
@@ -126,7 +125,7 @@ class IndentedCodeBlockNodeRenderer implements NodeRenderer {
         @Override
         public Set<Class<? extends Node>> getNodeTypes() {
             // Return the node types we want to use this renderer for.
-            return Collections.<Class<? extends Node>>singleton(IndentedCodeBlock.class);
+            return Set.of(IndentedCodeBlock.class);
         }
 
         @Override

From cf6e03a5abac5d55f64a63bdb21c37e1f4775fba Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 26 Apr 2024 23:05:53 +1000
Subject: [PATCH 273/450] Use StandardCharsets instead of Charset.forName

---
 .../src/main/java/org/commonmark/testutil/TestResources.java  | 4 ++--
 .../java/org/commonmark/testutil/example/ExampleReader.java   | 4 ++--
 .../src/main/java/org/commonmark/internal/util/Escaping.java  | 3 ++-
 commonmark/src/test/java/org/commonmark/test/ParserTest.java  | 4 ++--
 4 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java
index 3012f2714..5af649a86 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/TestResources.java
@@ -4,7 +4,7 @@
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.net.URL;
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.List;
 
 public class TestResources {
@@ -26,7 +26,7 @@ public static List<URL> getRegressions() {
 
     public static String readAsString(URL url) {
         StringBuilder sb = new StringBuilder();
-        try (BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream(), Charset.forName("UTF-8")))) {
+        try (BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream(), StandardCharsets.UTF_8))) {
             String line;
             while ((line = reader.readLine()) != null) {
                 sb.append(line);
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java
index e93d2e07c..6f5dd6276 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java
@@ -2,7 +2,7 @@
 
 import java.io.*;
 import java.net.URL;
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.regex.Matcher;
@@ -66,7 +66,7 @@ private List<Example> read() throws IOException {
         resetContents();
 
         try (BufferedReader reader = new BufferedReader(
-                new InputStreamReader(inputStream, Charset.forName("UTF-8")))) {
+                new InputStreamReader(inputStream, StandardCharsets.UTF_8))) {
             String line;
             while ((line = reader.readLine()) != null) {
                 processLine(line);
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java b/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
index ade64d933..27f59ebf7 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
@@ -1,6 +1,7 @@
 package org.commonmark.internal.util;
 
 import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -49,7 +50,7 @@ public void replace(String input, StringBuilder sb) {
                     sb.append(input, 1, input.length());
                 }
             } else {
-                byte[] bytes = input.getBytes(Charset.forName("UTF-8"));
+                byte[] bytes = input.getBytes(StandardCharsets.UTF_8);
                 for (byte b : bytes) {
                     sb.append('%');
                     sb.append(HEX_DIGITS[(b >> 4) & 0xF]);
diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index a8a36f707..f56cd560c 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -10,7 +10,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
@@ -32,7 +32,7 @@ public void ioReaderTest() throws IOException {
 
         InputStream input1 = TestResources.getSpec().openStream();
         Node document1;
-        try (InputStreamReader reader = new InputStreamReader(input1, Charset.forName("UTF-8"))) {
+        try (InputStreamReader reader = new InputStreamReader(input1, StandardCharsets.UTF_8)) {
             document1 = parser.parseReader(reader);
         }
 

From 0a969a0da2b3eebb2702cfa19092293f30f92dcb Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 26 Apr 2024 23:11:22 +1000
Subject: [PATCH 274/450] Use Objects.requireNonNull

---
 .../java/org/commonmark/parser/Parser.java    | 29 +++++--------------
 .../org/commonmark/parser/SourceLine.java     |  7 ++---
 .../renderer/html/HtmlRenderer.java           | 25 ++++------------
 .../commonmark/renderer/html/HtmlWriter.java  |  5 ++--
 4 files changed, 18 insertions(+), 48 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 129110b99..917534181 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -67,9 +67,7 @@ public static Builder builder() {
      * @return the root node
      */
     public Node parse(String input) {
-        if (input == null) {
-            throw new NullPointerException("input must not be null");
-        }
+        Objects.requireNonNull(input, "input must not be null");
         DocumentParser documentParser = createDocumentParser();
         Node document = documentParser.parse(input);
         return postProcess(document);
@@ -94,10 +92,7 @@ public Node parse(String input) {
      * @throws IOException when reading throws an exception
      */
     public Node parseReader(Reader input) throws IOException {
-        if (input == null) {
-            throw new NullPointerException("input must not be null");
-        }
-
+        Objects.requireNonNull(input, "input must not be null");
         DocumentParser documentParser = createDocumentParser();
         Node document = documentParser.parse(input);
         return postProcess(document);
@@ -138,9 +133,7 @@ public Parser build() {
          * @return {@code this}
          */
         public Builder extensions(Iterable<? extends Extension> extensions) {
-            if (extensions == null) {
-                throw new NullPointerException("extensions must not be null");
-            }
+            Objects.requireNonNull(extensions, "extensions must not be null");
             for (Extension extension : extensions) {
                 if (extension instanceof ParserExtension) {
                     ParserExtension parserExtension = (ParserExtension) extension;
@@ -178,9 +171,7 @@ public Builder extensions(Iterable<? extends Extension> extensions) {
          * @return {@code this}
          */
         public Builder enabledBlockTypes(Set<Class<? extends Block>> enabledBlockTypes) {
-            if (enabledBlockTypes == null) {
-                throw new NullPointerException("enabledBlockTypes must not be null");
-            }
+            Objects.requireNonNull(enabledBlockTypes, "enabledBlockTypes must not be null");
             DocumentParser.checkEnabledBlockTypes(enabledBlockTypes);
             this.enabledBlockTypes = enabledBlockTypes;
             return this;
@@ -211,9 +202,7 @@ public Builder includeSourceSpans(IncludeSourceSpans includeSourceSpans) {
          * @return {@code this}
          */
         public Builder customBlockParserFactory(BlockParserFactory blockParserFactory) {
-            if (blockParserFactory == null) {
-                throw new NullPointerException("blockParserFactory must not be null");
-            }
+            Objects.requireNonNull(blockParserFactory, "blockParserFactory must not be null");
             blockParserFactories.add(blockParserFactory);
             return this;
         }
@@ -246,17 +235,13 @@ public Builder customInlineContentParserFactory(InlineContentParserFactory inlin
          * @return {@code this}
          */
         public Builder customDelimiterProcessor(DelimiterProcessor delimiterProcessor) {
-            if (delimiterProcessor == null) {
-                throw new NullPointerException("delimiterProcessor must not be null");
-            }
+            Objects.requireNonNull(delimiterProcessor, "delimiterProcessor must not be null");
             delimiterProcessors.add(delimiterProcessor);
             return this;
         }
 
         public Builder postProcessor(PostProcessor postProcessor) {
-            if (postProcessor == null) {
-                throw new NullPointerException("postProcessor must not be null");
-            }
+            Objects.requireNonNull(postProcessor, "postProcessor must not be null");
             postProcessors.add(postProcessor);
             return this;
         }
diff --git a/commonmark/src/main/java/org/commonmark/parser/SourceLine.java b/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
index 63caceb9e..d73b14ce2 100644
--- a/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
+++ b/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
@@ -2,6 +2,8 @@
 
 import org.commonmark.node.SourceSpan;
 
+import java.util.Objects;
+
 /**
  * A line or part of a line from the input source.
  *
@@ -17,10 +19,7 @@ public static SourceLine of(CharSequence content, SourceSpan sourceSpan) {
     }
 
     private SourceLine(CharSequence content, SourceSpan sourceSpan) {
-        if (content == null) {
-            throw new NullPointerException("content must not be null");
-        }
-        this.content = content;
+        this.content = Objects.requireNonNull(content, "content must not be null");
         this.sourceSpan = sourceSpan;
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
index 19f53594f..06ad01634 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
@@ -7,10 +7,7 @@
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.Renderer;
 
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 
 /**
  * Renders a tree of nodes to HTML.
@@ -61,18 +58,14 @@ public static Builder builder() {
 
     @Override
     public void render(Node node, Appendable output) {
-        if (node == null) {
-            throw new NullPointerException("node must not be null");
-        }
+        Objects.requireNonNull(node, "node must not be null");
         RendererContext context = new RendererContext(new HtmlWriter(output));
         context.render(node);
     }
 
     @Override
     public String render(Node node) {
-        if (node == null) {
-            throw new NullPointerException("node must not be null");
-        }
+        Objects.requireNonNull(node, "node must not be null");
         StringBuilder sb = new StringBuilder();
         render(node, sb);
         return sb.toString();
@@ -178,9 +171,7 @@ public Builder percentEncodeUrls(boolean percentEncodeUrls) {
          * @return {@code this}
          */
         public Builder attributeProviderFactory(AttributeProviderFactory attributeProviderFactory) {
-            if (attributeProviderFactory == null) {
-                throw new NullPointerException("attributeProviderFactory must not be null");
-            }
+            Objects.requireNonNull(attributeProviderFactory, "attributeProviderFactory must not be null");
             this.attributeProviderFactories.add(attributeProviderFactory);
             return this;
         }
@@ -196,9 +187,7 @@ public Builder attributeProviderFactory(AttributeProviderFactory attributeProvid
          * @return {@code this}
          */
         public Builder nodeRendererFactory(HtmlNodeRendererFactory nodeRendererFactory) {
-            if (nodeRendererFactory == null) {
-                throw new NullPointerException("nodeRendererFactory must not be null");
-            }
+            Objects.requireNonNull(nodeRendererFactory, "nodeRendererFactory must not be null");
             this.nodeRendererFactories.add(nodeRendererFactory);
             return this;
         }
@@ -208,9 +197,7 @@ public Builder nodeRendererFactory(HtmlNodeRendererFactory nodeRendererFactory)
          * @return {@code this}
          */
         public Builder extensions(Iterable<? extends Extension> extensions) {
-            if (extensions == null) {
-                throw new NullPointerException("extensions must not be null");
-            }
+            Objects.requireNonNull(extensions, "extensions must not be null");
             for (Extension extension : extensions) {
                 if (extension instanceof HtmlRendererExtension) {
                     HtmlRendererExtension htmlRendererExtension = (HtmlRendererExtension) extension;
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java
index 2b4b2896d..7df185e48 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java
@@ -4,6 +4,7 @@
 
 import java.io.IOException;
 import java.util.Map;
+import java.util.Objects;
 
 public class HtmlWriter {
 
@@ -13,9 +14,7 @@ public class HtmlWriter {
     private char lastChar = 0;
 
     public HtmlWriter(Appendable out) {
-        if (out == null) {
-            throw new NullPointerException("out must not be null");
-        }
+        Objects.requireNonNull(out, "out must not be null");
         this.buffer = out;
     }
 

From 8c1abde9aadfc95573cc8bf16e8a6dc845a6eeaa Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 27 Apr 2024 18:43:24 +1000
Subject: [PATCH 275/450] Bump jmh dependency

---
 pom.xml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pom.xml b/pom.xml
index d4e49cd80..3e17f85ae 100644
--- a/pom.xml
+++ b/pom.xml
@@ -168,12 +168,12 @@
             <dependency>
                 <groupId>org.openjdk.jmh</groupId>
                 <artifactId>jmh-core</artifactId>
-                <version>1.17.5</version>
+                <version>1.37</version>
             </dependency>
             <dependency>
                 <groupId>org.openjdk.jmh</groupId>
                 <artifactId>jmh-generator-annprocess</artifactId>
-                <version>1.17.5</version>
+                <version>1.37</version>
             </dependency>
         </dependencies>
     </dependencyManagement>

From 80d7929cb8560dc8c77de027290d43d31054468e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 27 Apr 2024 18:44:01 +1000
Subject: [PATCH 276/450] Simplify prepareLine

It's called once every line, and we only ever use it with a String,
so might as well take advantage. indexOf should be faster than
manually iterating.
---
 .../commonmark/internal/DocumentParser.java   | 36 +++++--------------
 1 file changed, 9 insertions(+), 27 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index e8c0f837b..dd59b1a36 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -1,9 +1,9 @@
 package org.commonmark.internal;
 
-import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
 import org.commonmark.parser.*;
+import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.block.*;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.text.Characters;
@@ -126,7 +126,7 @@ public Document parse(String input) {
                 lineStart = lineBreak + 1;
             }
         }
-        if (input.length() > 0 && (lineStart == 0 || lineStart < input.length())) {
+        if (!input.isEmpty() && (lineStart == 0 || lineStart < input.length())) {
             String line = input.substring(lineStart);
             parseLine(line);
         }
@@ -189,7 +189,7 @@ public BlockParser getActiveBlockParser() {
      * Analyze a line of text and update the document appropriately. We parse markdown text by calling this on each
      * line of input, then finalizing the document.
      */
-    private void parseLine(CharSequence ln) {
+    private void parseLine(String ln) {
         setLine(ln);
 
         // For each containing block, try to parse the associated line start.
@@ -314,13 +314,13 @@ private void parseLine(CharSequence ln) {
         }
     }
 
-    private void setLine(CharSequence ln) {
+    private void setLine(String ln) {
         lineIndex++;
         index = 0;
         column = 0;
         columnIsInTab = false;
 
-        CharSequence lineContent = prepareLine(ln);
+        String lineContent = prepareLine(ln);
         SourceSpan sourceSpan = null;
         if (includeSourceSpans != IncludeSourceSpans.NONE) {
             sourceSpan = SourceSpan.of(lineIndex, 0, lineContent.length());
@@ -550,29 +550,11 @@ private void closeBlockParsers(int count) {
     /**
      * Prepares the input line replacing {@code \0}
      */
-    private static CharSequence prepareLine(CharSequence line) {
-        // Avoid building a new string in the majority of cases (no \0)
-        StringBuilder sb = null;
-        int length = line.length();
-        for (int i = 0; i < length; i++) {
-            char c = line.charAt(i);
-            if (c == '\0') {
-                if (sb == null) {
-                    sb = new StringBuilder(length);
-                    sb.append(line, 0, i);
-                }
-                sb.append('\uFFFD');
-            } else {
-                if (sb != null) {
-                    sb.append(c);
-                }
-            }
-        }
-
-        if (sb != null) {
-            return sb.toString();
-        } else {
+    private static String prepareLine(String line) {
+        if (line.indexOf('\0') == -1) {
             return line;
+        } else {
+            return line.replace('\0', '\uFFFD');
         }
     }
 

From 4edcb3b5fe104d0a10af195dba7f897aa927e6a1 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 27 Apr 2024 19:10:09 +1000
Subject: [PATCH 277/450] Bump codecov action, use token

---
 .github/workflows/ci.yml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3fa93f210..2b47fab97 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,10 @@ jobs:
         run: mvn -B -Pcoverage clean test jacoco:report-aggregate
 
       - name: Publish coverage
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v4
+        with:
+          fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}
 
   android-compatibility:
     runs-on: ubuntu-latest

From 72d8d70b9336d9b61688cdb5e1ee27a4a226078e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 27 Apr 2024 19:12:25 +1000
Subject: [PATCH 278/450] Bump checkout action

---
 .github/workflows/ci.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2b47fab97..b76e50529 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
         java: [11, 17, 21]
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up JDK
         uses: actions/setup-java@v2
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up JDK
         uses: actions/setup-java@v2
@@ -48,7 +48,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up JDK
         uses: actions/setup-java@v2

From 0c1378dbd329892ea6d857ba323025628eb8e832 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 27 Apr 2024 21:22:33 +1000
Subject: [PATCH 279/450] Only run coverage on push, not on pull_request

No need to run it twice, running it on the branch is enough,
no need to measure coverage on the merge commit too.
---
 .github/workflows/ci.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b76e50529..f4c632dd5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,6 +25,7 @@ jobs:
 
   coverage:
     runs-on: ubuntu-latest
+    if: ${{ github.event_name == 'push' }}
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4

From fa8a0a8e4bfaca23546f7b2051b9c84a2639ca03 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 27 Apr 2024 21:29:03 +1000
Subject: [PATCH 280/450] Bump actions/setup-java from v2 to v4

---
 .github/workflows/ci.yml      | 6 +++---
 .github/workflows/release.yml | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f4c632dd5..b49fb8164 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set up JDK
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           java-version: ${{ matrix.java }}
           distribution: 'zulu'
@@ -31,7 +31,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set up JDK
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           java-version: 11
           distribution: 'zulu'
@@ -52,7 +52,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set up JDK
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           java-version: 11
           distribution: 'zulu'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2ecfa6d49..4727b103d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,10 +14,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Set up Maven Central repository
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           java-version: 11
           distribution: 'zulu'

From 682bdb09932a4846c389e9db43eba1b857e219cd Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 27 Apr 2024 21:42:54 +1000
Subject: [PATCH 281/450] pom: Bump versions, update metadata

---
 commonmark/pom.xml |  2 +-
 pom.xml            | 21 +++++++++------------
 2 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index bcb5b3bf0..d47260296 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -38,7 +38,7 @@
                     <plugin>
                         <groupId>org.codehaus.mojo</groupId>
                         <artifactId>exec-maven-plugin</artifactId>
-                        <version>1.5.0</version>
+                        <version>3.2.0</version>
                         <configuration>
                             <executable>java</executable>
                             <classpathScope>test</classpathScope>
diff --git a/pom.xml b/pom.xml
index 3e17f85ae..465c3b8e4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,7 +38,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.12.1</version>
+                    <version>3.13.0</version>
                     <configuration>
                         <release>11</release>
                     </configuration>
@@ -46,17 +46,17 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-jar-plugin</artifactId>
-                    <version>3.3.0</version>
+                    <version>3.4.1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-install-plugin</artifactId>
-                    <version>3.0.1</version>
+                    <version>3.1.1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>
-                    <version>3.5.0</version>
+                    <version>3.6.3</version>
                     <configuration>
                         <excludePackageNames>*.internal,*.internal.*</excludePackageNames>
                         <!-- The offline links make links from extensions to core work. -->
@@ -73,7 +73,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>2.22.2</version>
+                    <version>3.2.5</version>
                 </plugin>
             </plugins>
         </pluginManagement>
@@ -94,7 +94,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-release-plugin</artifactId>
-                <version>3.0.0-M7</version>
+                <version>3.0.1</version>
                 <configuration>
                     <autoVersionSubmodules>true</autoVersionSubmodules>
                     <useReleaseProfile>false</useReleaseProfile>
@@ -186,7 +186,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-source-plugin</artifactId>
-                        <version>3.2.1</version>
+                        <version>3.3.1</version>
                         <executions>
                             <execution>
                                 <id>attach-sources</id>
@@ -211,7 +211,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>3.0.1</version>
+                        <version>3.2.4</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>
@@ -238,7 +238,7 @@
                     <plugin>
                         <groupId>org.jacoco</groupId>
                         <artifactId>jacoco-maven-plugin</artifactId>
-                        <version>0.8.8</version>
+                        <version>0.8.12</version>
                         <configuration>
                             <excludes>
                                 <!-- Classes from test-util -->
@@ -271,9 +271,6 @@
     <developers>
         <developer>
             <name>Robin Stocker</name>
-            <email>rstocker@atlassian.com</email>
-            <organization>Atlassian</organization>
-            <organizationUrl>https://www.atlassian.com/</organizationUrl>
         </developer>
     </developers>
 

From f14989bcdda958ae7249ffb3effe0883159ee2a3 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 28 Apr 2024 11:57:20 +1000
Subject: [PATCH 282/450] Remove Eclipse .settings

They were only in a subset of the modules and probably out of date anyway.
Maven import should just work nowadays.
---
 .../.settings/org.eclipse.core.runtime.prefs  |   2 -
 .../.settings/org.eclipse.jdt.core.prefs      | 290 ------------------
 .../.settings/org.eclipse.core.runtime.prefs  |   2 -
 .../.settings/org.eclipse.jdt.core.prefs      | 290 ------------------
 .../.settings/org.eclipse.core.runtime.prefs  |   2 -
 .../.settings/org.eclipse.jdt.core.prefs      | 290 ------------------
 .../.settings/org.eclipse.core.runtime.prefs  |   2 -
 .../.settings/org.eclipse.jdt.core.prefs      | 290 ------------------
 .../.settings/org.eclipse.core.runtime.prefs  |   2 -
 .../.settings/org.eclipse.jdt.core.prefs      | 290 ------------------
 10 files changed, 1460 deletions(-)
 delete mode 100644 commonmark-ext-autolink/.settings/org.eclipse.core.runtime.prefs
 delete mode 100644 commonmark-ext-autolink/.settings/org.eclipse.jdt.core.prefs
 delete mode 100644 commonmark-ext-gfm-strikethrough/.settings/org.eclipse.core.runtime.prefs
 delete mode 100644 commonmark-ext-gfm-strikethrough/.settings/org.eclipse.jdt.core.prefs
 delete mode 100644 commonmark-ext-gfm-tables/.settings/org.eclipse.core.runtime.prefs
 delete mode 100644 commonmark-ext-gfm-tables/.settings/org.eclipse.jdt.core.prefs
 delete mode 100644 commonmark-integration-test/.settings/org.eclipse.core.runtime.prefs
 delete mode 100644 commonmark-integration-test/.settings/org.eclipse.jdt.core.prefs
 delete mode 100644 commonmark/.settings/org.eclipse.core.runtime.prefs
 delete mode 100644 commonmark/.settings/org.eclipse.jdt.core.prefs

diff --git a/commonmark-ext-autolink/.settings/org.eclipse.core.runtime.prefs b/commonmark-ext-autolink/.settings/org.eclipse.core.runtime.prefs
deleted file mode 100644
index 5a0ad22d2..000000000
--- a/commonmark-ext-autolink/.settings/org.eclipse.core.runtime.prefs
+++ /dev/null
@@ -1,2 +0,0 @@
-eclipse.preferences.version=1
-line.separator=\n
diff --git a/commonmark-ext-autolink/.settings/org.eclipse.jdt.core.prefs b/commonmark-ext-autolink/.settings/org.eclipse.jdt.core.prefs
deleted file mode 100644
index 3c0d27c8f..000000000
--- a/commonmark-ext-autolink/.settings/org.eclipse.jdt.core.prefs
+++ /dev/null
@@ -1,290 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
-org.eclipse.jdt.core.compiler.compliance=1.7
-org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
-org.eclipse.jdt.core.compiler.source=1.7
-org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_enum_constant=16
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_explicit_constructor_call=16
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_method_invocation=16
-org.eclipse.jdt.core.formatter.alignment_for_arguments_in_qualified_allocation_expression=16
-org.eclipse.jdt.core.formatter.alignment_for_assignment=0
-org.eclipse.jdt.core.formatter.alignment_for_binary_expression=16
-org.eclipse.jdt.core.formatter.alignment_for_compact_if=16
-org.eclipse.jdt.core.formatter.alignment_for_conditional_expression=80
-org.eclipse.jdt.core.formatter.alignment_for_enum_constants=0
-org.eclipse.jdt.core.formatter.alignment_for_expressions_in_array_initializer=16
-org.eclipse.jdt.core.formatter.alignment_for_method_declaration=0
-org.eclipse.jdt.core.formatter.alignment_for_multiple_fields=16
-org.eclipse.jdt.core.formatter.alignment_for_parameters_in_constructor_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_parameters_in_method_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_resources_in_try=80
-org.eclipse.jdt.core.formatter.alignment_for_selector_in_method_invocation=16
-org.eclipse.jdt.core.formatter.alignment_for_superclass_in_type_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_superinterfaces_in_enum_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_superinterfaces_in_type_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_throws_clause_in_constructor_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_throws_clause_in_method_declaration=16
-org.eclipse.jdt.core.formatter.alignment_for_union_type_in_multicatch=16
-org.eclipse.jdt.core.formatter.blank_lines_after_imports=1
-org.eclipse.jdt.core.formatter.blank_lines_after_package=1
-org.eclipse.jdt.core.formatter.blank_lines_before_field=0
-org.eclipse.jdt.core.formatter.blank_lines_before_first_class_body_declaration=0
-org.eclipse.jdt.core.formatter.blank_lines_before_imports=1
-org.eclipse.jdt.core.formatter.blank_lines_before_member_type=1
-org.eclipse.jdt.core.formatter.blank_lines_before_method=1
-org.eclipse.jdt.core.formatter.blank_lines_before_new_chunk=1
-org.eclipse.jdt.core.formatter.blank_lines_before_package=0
-org.eclipse.jdt.core.formatter.blank_lines_between_import_groups=1
-org.eclipse.jdt.core.formatter.blank_lines_between_type_declarations=1
-org.eclipse.jdt.core.formatter.brace_position_for_annotation_type_declaration=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_anonymous_type_declaration=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_array_initializer=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_block=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_block_in_case=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_constructor_declaration=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_enum_constant=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_enum_declaration=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_lambda_body=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_method_declaration=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_switch=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_type_declaration=end_of_line
-org.eclipse.jdt.core.formatter.comment.clear_blank_lines_in_block_comment=false
-org.eclipse.jdt.core.formatter.comment.clear_blank_lines_in_javadoc_comment=false
-org.eclipse.jdt.core.formatter.comment.format_block_comments=true
-org.eclipse.jdt.core.formatter.comment.format_header=false
-org.eclipse.jdt.core.formatter.comment.format_html=true
-org.eclipse.jdt.core.formatter.comment.format_javadoc_comments=true
-org.eclipse.jdt.core.formatter.comment.format_line_comments=true
-org.eclipse.jdt.core.formatter.comment.format_source_code=true
-org.eclipse.jdt.core.formatter.comment.indent_parameter_description=true
-org.eclipse.jdt.core.formatter.comment.indent_root_tags=true
-org.eclipse.jdt.core.formatter.comment.insert_new_line_before_root_tags=insert
-org.eclipse.jdt.core.formatter.comment.insert_new_line_for_parameter=do not insert
-org.eclipse.jdt.core.formatter.comment.line_length=120
-org.eclipse.jdt.core.formatter.comment.new_lines_at_block_boundaries=true
-org.eclipse.jdt.core.formatter.comment.new_lines_at_javadoc_boundaries=true
-org.eclipse.jdt.core.formatter.comment.preserve_white_space_between_code_and_line_comments=false
-org.eclipse.jdt.core.formatter.compact_else_if=true
-org.eclipse.jdt.core.formatter.continuation_indentation=2
-org.eclipse.jdt.core.formatter.continuation_indentation_for_array_initializer=2
-org.eclipse.jdt.core.formatter.disabling_tag=@formatter\:off
-org.eclipse.jdt.core.formatter.enabling_tag=@formatter\:on
-org.eclipse.jdt.core.formatter.format_guardian_clause_on_one_line=false
-org.eclipse.jdt.core.formatter.format_line_comment_starting_on_first_column=true
-org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_annotation_declaration_header=true
-org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_enum_constant_header=true
-org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_enum_declaration_header=true
-org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_type_header=true
-org.eclipse.jdt.core.formatter.indent_breaks_compare_to_cases=true
-org.eclipse.jdt.core.formatter.indent_empty_lines=false
-org.eclipse.jdt.core.formatter.indent_statements_compare_to_block=true
-org.eclipse.jdt.core.formatter.indent_statements_compare_to_body=true
-org.eclipse.jdt.core.formatter.indent_switchstatements_compare_to_cases=true
-org.eclipse.jdt.core.formatter.indent_switchstatements_compare_to_switch=true
-org.eclipse.jdt.core.formatter.indentation.size=4
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_field=insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_local_variable=insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_method=insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_package=insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_parameter=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_type=insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_label=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_opening_brace_in_array_initializer=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_after_type_annotation=do not insert
-org.eclipse.jdt.core.formatter.insert_new_line_at_end_of_file_if_missing=do not insert
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diff --git a/commonmark-ext-gfm-strikethrough/.settings/org.eclipse.core.runtime.prefs b/commonmark-ext-gfm-strikethrough/.settings/org.eclipse.core.runtime.prefs
deleted file mode 100644
index 5a0ad22d2..000000000
--- a/commonmark-ext-gfm-strikethrough/.settings/org.eclipse.core.runtime.prefs
+++ /dev/null
@@ -1,2 +0,0 @@
-eclipse.preferences.version=1
-line.separator=\n
diff --git a/commonmark-ext-gfm-strikethrough/.settings/org.eclipse.jdt.core.prefs b/commonmark-ext-gfm-strikethrough/.settings/org.eclipse.jdt.core.prefs
deleted file mode 100644
index 3c0d27c8f..000000000
--- a/commonmark-ext-gfm-strikethrough/.settings/org.eclipse.jdt.core.prefs
+++ /dev/null
@@ -1,290 +0,0 @@
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diff --git a/commonmark-ext-gfm-tables/.settings/org.eclipse.core.runtime.prefs b/commonmark-ext-gfm-tables/.settings/org.eclipse.core.runtime.prefs
deleted file mode 100644
index 5a0ad22d2..000000000
--- a/commonmark-ext-gfm-tables/.settings/org.eclipse.core.runtime.prefs
+++ /dev/null
@@ -1,2 +0,0 @@
-eclipse.preferences.version=1
-line.separator=\n
diff --git a/commonmark-ext-gfm-tables/.settings/org.eclipse.jdt.core.prefs b/commonmark-ext-gfm-tables/.settings/org.eclipse.jdt.core.prefs
deleted file mode 100644
index 3c0d27c8f..000000000
--- a/commonmark-ext-gfm-tables/.settings/org.eclipse.jdt.core.prefs
+++ /dev/null
@@ -1,290 +0,0 @@
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diff --git a/commonmark-integration-test/.settings/org.eclipse.core.runtime.prefs b/commonmark-integration-test/.settings/org.eclipse.core.runtime.prefs
deleted file mode 100644
index 5a0ad22d2..000000000
--- a/commonmark-integration-test/.settings/org.eclipse.core.runtime.prefs
+++ /dev/null
@@ -1,2 +0,0 @@
-eclipse.preferences.version=1
-line.separator=\n
diff --git a/commonmark-integration-test/.settings/org.eclipse.jdt.core.prefs b/commonmark-integration-test/.settings/org.eclipse.jdt.core.prefs
deleted file mode 100644
index 3c0d27c8f..000000000
--- a/commonmark-integration-test/.settings/org.eclipse.jdt.core.prefs
+++ /dev/null
@@ -1,290 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
-org.eclipse.jdt.core.compiler.compliance=1.7
-org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
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-org.eclipse.jdt.core.formatter.alignment_for_throws_clause_in_constructor_declaration=16
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-org.eclipse.jdt.core.formatter.alignment_for_union_type_in_multicatch=16
-org.eclipse.jdt.core.formatter.blank_lines_after_imports=1
-org.eclipse.jdt.core.formatter.blank_lines_after_package=1
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-org.eclipse.jdt.core.formatter.blank_lines_before_imports=1
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-org.eclipse.jdt.core.formatter.blank_lines_before_new_chunk=1
-org.eclipse.jdt.core.formatter.blank_lines_before_package=0
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-org.eclipse.jdt.core.formatter.brace_position_for_annotation_type_declaration=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_anonymous_type_declaration=end_of_line
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-org.eclipse.jdt.core.formatter.brace_position_for_block=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_block_in_case=end_of_line
-org.eclipse.jdt.core.formatter.brace_position_for_constructor_declaration=end_of_line
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-org.eclipse.jdt.core.formatter.brace_position_for_type_declaration=end_of_line
-org.eclipse.jdt.core.formatter.comment.clear_blank_lines_in_block_comment=false
-org.eclipse.jdt.core.formatter.comment.clear_blank_lines_in_javadoc_comment=false
-org.eclipse.jdt.core.formatter.comment.format_block_comments=true
-org.eclipse.jdt.core.formatter.comment.format_header=false
-org.eclipse.jdt.core.formatter.comment.format_html=true
-org.eclipse.jdt.core.formatter.comment.format_javadoc_comments=true
-org.eclipse.jdt.core.formatter.comment.format_line_comments=true
-org.eclipse.jdt.core.formatter.comment.format_source_code=true
-org.eclipse.jdt.core.formatter.comment.indent_parameter_description=true
-org.eclipse.jdt.core.formatter.comment.indent_root_tags=true
-org.eclipse.jdt.core.formatter.comment.insert_new_line_before_root_tags=insert
-org.eclipse.jdt.core.formatter.comment.insert_new_line_for_parameter=do not insert
-org.eclipse.jdt.core.formatter.comment.line_length=120
-org.eclipse.jdt.core.formatter.comment.new_lines_at_block_boundaries=true
-org.eclipse.jdt.core.formatter.comment.new_lines_at_javadoc_boundaries=true
-org.eclipse.jdt.core.formatter.comment.preserve_white_space_between_code_and_line_comments=false
-org.eclipse.jdt.core.formatter.compact_else_if=true
-org.eclipse.jdt.core.formatter.continuation_indentation=2
-org.eclipse.jdt.core.formatter.continuation_indentation_for_array_initializer=2
-org.eclipse.jdt.core.formatter.disabling_tag=@formatter\:off
-org.eclipse.jdt.core.formatter.enabling_tag=@formatter\:on
-org.eclipse.jdt.core.formatter.format_guardian_clause_on_one_line=false
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-org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_annotation_declaration_header=true
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-org.eclipse.jdt.core.formatter.indent_body_declarations_compare_to_enum_declaration_header=true
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-org.eclipse.jdt.core.formatter.indentation.size=4
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-org.eclipse.jdt.core.formatter.insert_new_line_after_annotation_on_package=insert
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-org.eclipse.jdt.core.formatter.insert_space_after_opening_bracket_in_array_reference=do not insert
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-org.eclipse.jdt.core.formatter.insert_space_after_semicolon_in_for=insert
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-org.eclipse.jdt.core.formatter.insert_space_before_comma_in_multiple_local_declarations=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_comma_in_parameterized_type_reference=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_comma_in_superinterfaces=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_comma_in_type_arguments=do not insert
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-org.eclipse.jdt.core.formatter.insert_space_before_ellipsis=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_lambda_arrow=insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_parameterized_type_reference=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_arguments=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_parameters=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_annotation_type_declaration=insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_anonymous_type_declaration=insert
-org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_array_initializer=insert
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-org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_catch=insert
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-org.eclipse.jdt.core.formatter.join_lines_in_comments=true
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-org.eclipse.jdt.core.formatter.keep_empty_array_initializer_on_one_line=false
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-org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line=false
-org.eclipse.jdt.core.formatter.lineSplit=120
-org.eclipse.jdt.core.formatter.never_indent_block_comments_on_first_column=false
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-org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body=0
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-org.eclipse.jdt.core.formatter.tabulation.char=space
-org.eclipse.jdt.core.formatter.tabulation.size=4
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diff --git a/commonmark/.settings/org.eclipse.core.runtime.prefs b/commonmark/.settings/org.eclipse.core.runtime.prefs
deleted file mode 100644
index 5a0ad22d2..000000000
--- a/commonmark/.settings/org.eclipse.core.runtime.prefs
+++ /dev/null
@@ -1,2 +0,0 @@
-eclipse.preferences.version=1
-line.separator=\n
diff --git a/commonmark/.settings/org.eclipse.jdt.core.prefs b/commonmark/.settings/org.eclipse.jdt.core.prefs
deleted file mode 100644
index 3c0d27c8f..000000000
--- a/commonmark/.settings/org.eclipse.jdt.core.prefs
+++ /dev/null
@@ -1,290 +0,0 @@
-eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
-org.eclipse.jdt.core.compiler.compliance=1.7
-org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
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-org.eclipse.jdt.core.formatter.comment.clear_blank_lines_in_block_comment=false
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-org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_return=insert
-org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_throw=insert
-org.eclipse.jdt.core.formatter.insert_space_before_postfix_operator=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_prefix_operator=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_question_in_conditional=insert
-org.eclipse.jdt.core.formatter.insert_space_before_question_in_wildcard=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_semicolon=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_for=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_try_resources=do not insert
-org.eclipse.jdt.core.formatter.insert_space_before_unary_operator=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_brackets_in_array_type_reference=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_braces_in_array_initializer=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_brackets_in_array_allocation_expression=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_annotation_type_member_declaration=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_constructor_declaration=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_enum_constant=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_declaration=do not insert
-org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_invocation=do not insert
-org.eclipse.jdt.core.formatter.join_lines_in_comments=true
-org.eclipse.jdt.core.formatter.join_wrapped_lines=false
-org.eclipse.jdt.core.formatter.keep_else_statement_on_same_line=false
-org.eclipse.jdt.core.formatter.keep_empty_array_initializer_on_one_line=false
-org.eclipse.jdt.core.formatter.keep_imple_if_on_one_line=false
-org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line=false
-org.eclipse.jdt.core.formatter.lineSplit=120
-org.eclipse.jdt.core.formatter.never_indent_block_comments_on_first_column=false
-org.eclipse.jdt.core.formatter.never_indent_line_comments_on_first_column=false
-org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body=0
-org.eclipse.jdt.core.formatter.number_of_empty_lines_to_preserve=1
-org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line=true
-org.eclipse.jdt.core.formatter.tabulation.char=space
-org.eclipse.jdt.core.formatter.tabulation.size=4
-org.eclipse.jdt.core.formatter.use_on_off_tags=false
-org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=false
-org.eclipse.jdt.core.formatter.wrap_before_binary_operator=true
-org.eclipse.jdt.core.formatter.wrap_before_or_operator_multicatch=true
-org.eclipse.jdt.core.formatter.wrap_outer_expressions_when_nested=true
-org.eclipse.jdt.core.javaFormatter=org.eclipse.jdt.core.defaultJavaFormatter

From 3d5c7309ebbf39d845b349c2446d5b06ed9deb92 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 6 Apr 2024 18:08:08 +0700
Subject: [PATCH 283/450] WIP footnotes: Block parsing

---
 .../org/commonmark/test/FootnotesTest.java    | 168 ++++++++++++++++++
 1 file changed, 168 insertions(+)
 create mode 100644 commonmark/src/test/java/org/commonmark/test/FootnotesTest.java

diff --git a/commonmark/src/test/java/org/commonmark/test/FootnotesTest.java b/commonmark/src/test/java/org/commonmark/test/FootnotesTest.java
new file mode 100644
index 000000000..a2afc8deb
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/test/FootnotesTest.java
@@ -0,0 +1,168 @@
+package org.commonmark.test;
+
+import org.commonmark.Extension;
+import org.commonmark.node.*;
+import org.commonmark.parser.Parser;
+import org.commonmark.parser.block.*;
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+public class FootnotesTest {
+
+    public static class FootnoteDefinition extends CustomBlock {
+
+        private String label;
+
+        public FootnoteDefinition(String label) {
+            this.label = label;
+        }
+
+        public String getLabel() {
+            return label;
+        }
+    }
+
+    public static class FootnotesExtension implements Parser.ParserExtension {
+
+        public static Extension create() {
+            return new FootnotesExtension();
+        }
+
+        @Override
+        public void extend(Parser.Builder parserBuilder) {
+            parserBuilder.customBlockParserFactory(new FootnoteBlockParser.Factory());
+        }
+    }
+
+    public static class FootnoteBlockParser extends AbstractBlockParser {
+
+        private final FootnoteDefinition block;
+
+        public FootnoteBlockParser(String label) {
+            block = new FootnoteDefinition(label);
+        }
+
+        @Override
+        public Block getBlock() {
+            return block;
+        }
+
+        @Override
+        public boolean canHaveLazyContinuationLines() {
+            return true;
+        }
+
+        @Override
+        public BlockContinue tryContinue(ParserState parserState) {
+            // We're not continuing to give other block parsers a chance to interrupt this definition.
+            // But if no other block parser applied (including another FootnotesBlockParser), we will
+            // accept the line via lazy continuation.
+            return BlockContinue.none();
+        }
+
+        public static class Factory implements BlockParserFactory {
+
+            @Override
+            public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
+                var content = state.getLine().getContent();
+                // TODO: Can it be indented? Maybe less than code block indent.
+                var index = state.getNextNonSpaceIndex();
+                if (content.charAt(index) != '[' || index + 1 >= content.length()) {
+                    return BlockStart.none();
+                }
+                index++;
+                if (content.charAt(index) != '^' || index + 1 >= content.length()) {
+                    return BlockStart.none();
+                }
+                // Now at first label character (if any)
+                index++;
+
+                for (int i = index; i < content.length(); i++) {
+                    var c = content.charAt(i);
+                    if (c == ']') {
+                        if (i > index) {
+                            var label = content.subSequence(index, i).toString();
+                            return BlockStart.of(new FootnoteBlockParser(label));
+                        } else {
+                            return BlockStart.none();
+                        }
+                    }
+                    // TODO: Check what GitHub actually does here, e.g. tabs, control characters, other Unicode whitespace
+                    if (Character.isWhitespace(c)) {
+                        return BlockStart.none();
+                    }
+                }
+
+                return BlockStart.none();
+            }
+        }
+    }
+
+    private final Parser PARSER = Parser.builder().extensions(List.of(FootnotesExtension.create())).build();
+
+    @Test
+    public void testBlockStart() {
+        for (var s : List.of("1", "a")) {
+            var doc = PARSER.parse("[^" + s + "]: footnote\n");
+            var def = Nodes.find(doc, FootnoteDefinition.class);
+            // TODO: Should label be "^1" instead?
+            assertEquals(s, def.getLabel());
+        }
+
+        for (var s : List.of("", " ", "a b")) {
+            var doc = PARSER.parse("[^" + s + "]: footnote\n");
+            assertNull(Nodes.tryFind(doc, FootnoteDefinition.class));
+        }
+
+        // TODO: Test what characters are allowed for the label, e.g.
+        //  [^], [^ ], [^^], [^[], [^*], [^\], [^\a], [^🙂], tab?, [^&], [^&amp;]
+    }
+
+    @Test
+    public void testBlockStartInterrupts() {
+        var doc = PARSER.parse("test\n[^1]: footnote\n");
+        var paragraph = Nodes.find(doc, Paragraph.class);
+        var def = Nodes.find(doc, FootnoteDefinition.class);
+        assertEquals("test", ((Text) paragraph.getLastChild()).getLiteral());
+        assertEquals("1", def.getLabel());
+    }
+
+    @Test
+    public void testMultiple() {
+        var doc = PARSER.parse("[^1]: foo\n[^2]: bar\n");
+        var def1 = (FootnoteDefinition) doc.getFirstChild();
+        var def2 = (FootnoteDefinition) doc.getLastChild();
+        assertEquals("1", def1.getLabel());
+        assertEquals("2", def2.getLabel());
+    }
+
+    @Test
+    public void testBlockStartAfterLinkReferenceDefinition() {
+        var doc = PARSER.parse("[foo]: /url\n[^1]: footnote\n");
+        var linkReferenceDef = Nodes.find(doc, LinkReferenceDefinition.class);
+        var footnotesDef = Nodes.find(doc, FootnoteDefinition.class);
+        assertEquals("foo", linkReferenceDef.getLabel());
+        assertEquals("1", footnotesDef.getLabel());
+    }
+
+    @Test
+    public void testBlockContinue() {
+        var doc = PARSER.parse("[^1]: footnote\nstill\n");
+        var def = Nodes.find(doc, FootnoteDefinition.class);
+        assertEquals("1", def.getLabel());
+        assertNull(Nodes.tryFind(doc, Paragraph.class));
+    }
+
+    @Test
+    public void testFootnotesDefinitionInterruptedByOthers() {
+        var doc = PARSER.parse("[^1]: footnote\n# Heading\n");
+        var def = Nodes.find(doc, FootnoteDefinition.class);
+        var heading = Nodes.find(doc, Heading.class);
+        assertEquals("1", def.getLabel());
+        assertEquals("Heading", ((Text) heading.getFirstChild()).getLiteral());
+    }
+}

From 1f6e729be791317f16371eb7cf428691599fbc47 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 28 Apr 2024 12:26:53 +1000
Subject: [PATCH 284/450] Move code to new ext-footnotes module with extension

---
 commonmark-ext-footnotes/pom.xml              |  27 +++
 .../src/main/java/module-info.java            |   5 +
 .../ext/footnotes/FootnoteDefinition.java     |  17 ++
 .../ext/footnotes/FootnotesExtension.java     |  24 +++
 .../internal/FootnoteBlockParser.java         |  69 +++++++
 .../src/main/javadoc/overview.html            |   6 +
 .../src/main/resources/META-INF/LICENSE.txt   |  23 +++
 .../ext/footnotes/FootnotesTest.java          | 101 +++++++++++
 .../org/commonmark/test/FootnotesTest.java    | 168 ------------------
 .../test/java/org/commonmark/test/Nodes.java  |   8 +-
 pom.xml                                       |   3 +-
 11 files changed, 277 insertions(+), 174 deletions(-)
 create mode 100644 commonmark-ext-footnotes/pom.xml
 create mode 100644 commonmark-ext-footnotes/src/main/java/module-info.java
 create mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteDefinition.java
 create mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
 create mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
 create mode 100644 commonmark-ext-footnotes/src/main/javadoc/overview.html
 create mode 100644 commonmark-ext-footnotes/src/main/resources/META-INF/LICENSE.txt
 create mode 100644 commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
 delete mode 100644 commonmark/src/test/java/org/commonmark/test/FootnotesTest.java

diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
new file mode 100644
index 000000000..f70b7d262
--- /dev/null
+++ b/commonmark-ext-footnotes/pom.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.commonmark</groupId>
+        <artifactId>commonmark-parent</artifactId>
+        <version>0.22.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>commonmark-ext-footnotes</artifactId>
+    <name>commonmark-java extension for footnotes</name>
+    <description>commonmark-java extension for footnotes using [^1] syntax</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.commonmark</groupId>
+            <artifactId>commonmark</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.commonmark</groupId>
+            <artifactId>commonmark-test-util</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/commonmark-ext-footnotes/src/main/java/module-info.java b/commonmark-ext-footnotes/src/main/java/module-info.java
new file mode 100644
index 000000000..806d65c3e
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/module-info.java
@@ -0,0 +1,5 @@
+module org.commonmark.ext.footnotes {
+    exports org.commonmark.ext.footnotes;
+
+    requires org.commonmark;
+}
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteDefinition.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteDefinition.java
new file mode 100644
index 000000000..4adf98462
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteDefinition.java
@@ -0,0 +1,17 @@
+package org.commonmark.ext.footnotes;
+
+import org.commonmark.node.CustomBlock;
+
+public class FootnoteDefinition extends CustomBlock {
+
+    private String label;
+
+    public FootnoteDefinition(String label) {
+        this.label = label;
+    }
+
+    public String getLabel() {
+        return label;
+    }
+}
+
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
new file mode 100644
index 000000000..df376aaba
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
@@ -0,0 +1,24 @@
+package org.commonmark.ext.footnotes;
+
+import org.commonmark.Extension;
+import org.commonmark.ext.footnotes.internal.FootnoteBlockParser;
+import org.commonmark.parser.Parser;
+
+/**
+ * TODO
+ */
+// TODO: HTML rendering and Markdown rendering
+public class FootnotesExtension implements Parser.ParserExtension {
+
+    private FootnotesExtension() {
+    }
+
+    public static Extension create() {
+        return new FootnotesExtension();
+    }
+
+    @Override
+    public void extend(Parser.Builder parserBuilder) {
+        parserBuilder.customBlockParserFactory(new FootnoteBlockParser.Factory());
+    }
+}
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
new file mode 100644
index 000000000..99f75cc4c
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
@@ -0,0 +1,69 @@
+package org.commonmark.ext.footnotes.internal;
+
+import org.commonmark.ext.footnotes.FootnoteDefinition;
+import org.commonmark.node.Block;
+import org.commonmark.parser.block.*;
+
+public class FootnoteBlockParser extends AbstractBlockParser {
+
+    private final FootnoteDefinition block;
+
+    public FootnoteBlockParser(String label) {
+        block = new FootnoteDefinition(label);
+    }
+
+    @Override
+    public Block getBlock() {
+        return block;
+    }
+
+    @Override
+    public boolean canHaveLazyContinuationLines() {
+        return true;
+    }
+
+    @Override
+    public BlockContinue tryContinue(ParserState parserState) {
+        // We're not continuing to give other block parsers a chance to interrupt this definition.
+        // But if no other block parser applied (including another FootnotesBlockParser), we will
+        // accept the line via lazy continuation.
+        return BlockContinue.none();
+    }
+
+    public static class Factory implements BlockParserFactory {
+
+        @Override
+        public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
+            var content = state.getLine().getContent();
+            // TODO: Can it be indented? Maybe less than code block indent.
+            var index = state.getNextNonSpaceIndex();
+            if (content.charAt(index) != '[' || index + 1 >= content.length()) {
+                return BlockStart.none();
+            }
+            index++;
+            if (content.charAt(index) != '^' || index + 1 >= content.length()) {
+                return BlockStart.none();
+            }
+            // Now at first label character (if any)
+            index++;
+
+            for (int i = index; i < content.length(); i++) {
+                var c = content.charAt(i);
+                if (c == ']') {
+                    if (i > index) {
+                        var label = content.subSequence(index, i).toString();
+                        return BlockStart.of(new FootnoteBlockParser(label));
+                    } else {
+                        return BlockStart.none();
+                    }
+                }
+                // TODO: Check what GitHub actually does here, e.g. tabs, control characters, other Unicode whitespace
+                if (Character.isWhitespace(c)) {
+                    return BlockStart.none();
+                }
+            }
+
+            return BlockStart.none();
+        }
+    }
+}
diff --git a/commonmark-ext-footnotes/src/main/javadoc/overview.html b/commonmark-ext-footnotes/src/main/javadoc/overview.html
new file mode 100644
index 000000000..4f19d2115
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/javadoc/overview.html
@@ -0,0 +1,6 @@
+<html>
+<body>
+<b>Extension for footnotes using [^1] syntax</b>
+<p>See {@link org.commonmark.ext.footnotes.FootnotesExtension}</p>
+</body>
+</html>
diff --git a/commonmark-ext-footnotes/src/main/resources/META-INF/LICENSE.txt b/commonmark-ext-footnotes/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 000000000..b09e367ce
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Atlassian Pty Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
new file mode 100644
index 000000000..c6fea7277
--- /dev/null
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -0,0 +1,101 @@
+package org.commonmark.ext.footnotes;
+
+import org.commonmark.Extension;
+import org.commonmark.node.*;
+import org.commonmark.parser.Parser;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+public class FootnotesTest {
+
+    private static final Set<Extension> EXTENSIONS = Set.of(FootnotesExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+
+    @Test
+    public void testBlockStart() {
+        for (var s : List.of("1", "a")) {
+            var doc = PARSER.parse("[^" + s + "]: footnote\n");
+            var def = find(doc, FootnoteDefinition.class);
+            // TODO: Should label be "^1" instead?
+            assertEquals(s, def.getLabel());
+        }
+
+        for (var s : List.of("", " ", "a b")) {
+            var doc = PARSER.parse("[^" + s + "]: footnote\n");
+            assertNull(tryFind(doc, FootnoteDefinition.class));
+        }
+
+        // TODO: Test what characters are allowed for the label, e.g.
+        //  [^], [^ ], [^^], [^[], [^*], [^\], [^\a], [^🙂], tab?, [^&], [^&amp;]
+    }
+
+    @Test
+    public void testBlockStartInterrupts() {
+        var doc = PARSER.parse("test\n[^1]: footnote\n");
+        var paragraph = find(doc, Paragraph.class);
+        var def = find(doc, FootnoteDefinition.class);
+        assertEquals("test", ((Text) paragraph.getLastChild()).getLiteral());
+        assertEquals("1", def.getLabel());
+    }
+
+    @Test
+    public void testMultiple() {
+        var doc = PARSER.parse("[^1]: foo\n[^2]: bar\n");
+        var defs = findAll(doc, FootnoteDefinition.class);
+        assertEquals("1", defs.get(0).getLabel());
+        assertEquals("2", defs.get(1).getLabel());
+    }
+
+    @Test
+    public void testBlockStartAfterLinkReferenceDefinition() {
+        var doc = PARSER.parse("[foo]: /url\n[^1]: footnote\n");
+        var linkReferenceDef = find(doc, LinkReferenceDefinition.class);
+        var footnotesDef = find(doc, FootnoteDefinition.class);
+        assertEquals("foo", linkReferenceDef.getLabel());
+        assertEquals("1", footnotesDef.getLabel());
+    }
+
+    @Test
+    public void testBlockContinue() {
+        var doc = PARSER.parse("[^1]: footnote\nstill\n");
+        var def = find(doc, FootnoteDefinition.class);
+        assertEquals("1", def.getLabel());
+        assertNull(tryFind(doc, Paragraph.class));
+    }
+
+    @Test
+    public void testFootnotesDefinitionInterruptedByOthers() {
+        var doc = PARSER.parse("[^1]: footnote\n# Heading\n");
+        var def = find(doc, FootnoteDefinition.class);
+        var heading = find(doc, Heading.class);
+        assertEquals("1", def.getLabel());
+        assertEquals("Heading", ((Text) heading.getFirstChild()).getLiteral());
+    }
+
+    private static <T> T find(Node parent, Class<T> nodeClass) {
+        return Objects.requireNonNull(tryFind(parent, nodeClass), "Could not find a " + nodeClass.getSimpleName() + " node in " + parent);
+    }
+
+    private static <T> T tryFind(Node parent, Class<T> nodeClass) {
+        return findAll(parent, nodeClass).stream().findFirst().orElse(null);
+    }
+
+    private static <T> List<T> findAll(Node parent, Class<T> nodeClass) {
+        var nodes = new ArrayList<T>();
+        for (var node = parent.getFirstChild(); node != null; node = node.getNext()) {
+            if (nodeClass.isInstance(node)) {
+                //noinspection unchecked
+                nodes.add((T) node);
+            }
+            nodes.addAll(findAll(node, nodeClass));
+        }
+        return nodes;
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/FootnotesTest.java b/commonmark/src/test/java/org/commonmark/test/FootnotesTest.java
deleted file mode 100644
index a2afc8deb..000000000
--- a/commonmark/src/test/java/org/commonmark/test/FootnotesTest.java
+++ /dev/null
@@ -1,168 +0,0 @@
-package org.commonmark.test;
-
-import org.commonmark.Extension;
-import org.commonmark.node.*;
-import org.commonmark.parser.Parser;
-import org.commonmark.parser.block.*;
-import org.junit.Test;
-
-import java.util.List;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-
-public class FootnotesTest {
-
-    public static class FootnoteDefinition extends CustomBlock {
-
-        private String label;
-
-        public FootnoteDefinition(String label) {
-            this.label = label;
-        }
-
-        public String getLabel() {
-            return label;
-        }
-    }
-
-    public static class FootnotesExtension implements Parser.ParserExtension {
-
-        public static Extension create() {
-            return new FootnotesExtension();
-        }
-
-        @Override
-        public void extend(Parser.Builder parserBuilder) {
-            parserBuilder.customBlockParserFactory(new FootnoteBlockParser.Factory());
-        }
-    }
-
-    public static class FootnoteBlockParser extends AbstractBlockParser {
-
-        private final FootnoteDefinition block;
-
-        public FootnoteBlockParser(String label) {
-            block = new FootnoteDefinition(label);
-        }
-
-        @Override
-        public Block getBlock() {
-            return block;
-        }
-
-        @Override
-        public boolean canHaveLazyContinuationLines() {
-            return true;
-        }
-
-        @Override
-        public BlockContinue tryContinue(ParserState parserState) {
-            // We're not continuing to give other block parsers a chance to interrupt this definition.
-            // But if no other block parser applied (including another FootnotesBlockParser), we will
-            // accept the line via lazy continuation.
-            return BlockContinue.none();
-        }
-
-        public static class Factory implements BlockParserFactory {
-
-            @Override
-            public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
-                var content = state.getLine().getContent();
-                // TODO: Can it be indented? Maybe less than code block indent.
-                var index = state.getNextNonSpaceIndex();
-                if (content.charAt(index) != '[' || index + 1 >= content.length()) {
-                    return BlockStart.none();
-                }
-                index++;
-                if (content.charAt(index) != '^' || index + 1 >= content.length()) {
-                    return BlockStart.none();
-                }
-                // Now at first label character (if any)
-                index++;
-
-                for (int i = index; i < content.length(); i++) {
-                    var c = content.charAt(i);
-                    if (c == ']') {
-                        if (i > index) {
-                            var label = content.subSequence(index, i).toString();
-                            return BlockStart.of(new FootnoteBlockParser(label));
-                        } else {
-                            return BlockStart.none();
-                        }
-                    }
-                    // TODO: Check what GitHub actually does here, e.g. tabs, control characters, other Unicode whitespace
-                    if (Character.isWhitespace(c)) {
-                        return BlockStart.none();
-                    }
-                }
-
-                return BlockStart.none();
-            }
-        }
-    }
-
-    private final Parser PARSER = Parser.builder().extensions(List.of(FootnotesExtension.create())).build();
-
-    @Test
-    public void testBlockStart() {
-        for (var s : List.of("1", "a")) {
-            var doc = PARSER.parse("[^" + s + "]: footnote\n");
-            var def = Nodes.find(doc, FootnoteDefinition.class);
-            // TODO: Should label be "^1" instead?
-            assertEquals(s, def.getLabel());
-        }
-
-        for (var s : List.of("", " ", "a b")) {
-            var doc = PARSER.parse("[^" + s + "]: footnote\n");
-            assertNull(Nodes.tryFind(doc, FootnoteDefinition.class));
-        }
-
-        // TODO: Test what characters are allowed for the label, e.g.
-        //  [^], [^ ], [^^], [^[], [^*], [^\], [^\a], [^🙂], tab?, [^&], [^&amp;]
-    }
-
-    @Test
-    public void testBlockStartInterrupts() {
-        var doc = PARSER.parse("test\n[^1]: footnote\n");
-        var paragraph = Nodes.find(doc, Paragraph.class);
-        var def = Nodes.find(doc, FootnoteDefinition.class);
-        assertEquals("test", ((Text) paragraph.getLastChild()).getLiteral());
-        assertEquals("1", def.getLabel());
-    }
-
-    @Test
-    public void testMultiple() {
-        var doc = PARSER.parse("[^1]: foo\n[^2]: bar\n");
-        var def1 = (FootnoteDefinition) doc.getFirstChild();
-        var def2 = (FootnoteDefinition) doc.getLastChild();
-        assertEquals("1", def1.getLabel());
-        assertEquals("2", def2.getLabel());
-    }
-
-    @Test
-    public void testBlockStartAfterLinkReferenceDefinition() {
-        var doc = PARSER.parse("[foo]: /url\n[^1]: footnote\n");
-        var linkReferenceDef = Nodes.find(doc, LinkReferenceDefinition.class);
-        var footnotesDef = Nodes.find(doc, FootnoteDefinition.class);
-        assertEquals("foo", linkReferenceDef.getLabel());
-        assertEquals("1", footnotesDef.getLabel());
-    }
-
-    @Test
-    public void testBlockContinue() {
-        var doc = PARSER.parse("[^1]: footnote\nstill\n");
-        var def = Nodes.find(doc, FootnoteDefinition.class);
-        assertEquals("1", def.getLabel());
-        assertNull(Nodes.tryFind(doc, Paragraph.class));
-    }
-
-    @Test
-    public void testFootnotesDefinitionInterruptedByOthers() {
-        var doc = PARSER.parse("[^1]: footnote\n# Heading\n");
-        var def = Nodes.find(doc, FootnoteDefinition.class);
-        var heading = Nodes.find(doc, Heading.class);
-        assertEquals("1", def.getLabel());
-        assertEquals("Heading", ((Text) heading.getFirstChild()).getLiteral());
-    }
-}
diff --git a/commonmark/src/test/java/org/commonmark/test/Nodes.java b/commonmark/src/test/java/org/commonmark/test/Nodes.java
index 8db504924..06d04fde6 100644
--- a/commonmark/src/test/java/org/commonmark/test/Nodes.java
+++ b/commonmark/src/test/java/org/commonmark/test/Nodes.java
@@ -4,6 +4,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
 
 public class Nodes {
 
@@ -43,10 +44,7 @@ public static <T> T tryFind(Node parent, Class<T> nodeClass) {
      * could not be found.
      */
     public static <T> T find(Node parent, Class<T> nodeClass) {
-        var node = tryFind(parent, nodeClass);
-        if (node == null) {
-            throw new IllegalArgumentException("Could not find a " + nodeClass.getSimpleName() + " node in " + parent);
-        }
-        return node;
+        return Objects.requireNonNull(tryFind(parent, nodeClass),
+                "Could not find a " + nodeClass.getSimpleName() + " node in " + parent);
     }
 }
diff --git a/pom.xml b/pom.xml
index 465c3b8e4..32003fdf7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,6 +16,7 @@
     <modules>
         <module>commonmark</module>
         <module>commonmark-ext-autolink</module>
+        <module>commonmark-ext-footnotes</module>
         <module>commonmark-ext-gfm-strikethrough</module>
         <module>commonmark-ext-gfm-tables</module>
         <module>commonmark-ext-heading-anchor</module>
@@ -63,7 +64,7 @@
                         <detectOfflineLinks>false</detectOfflineLinks>
                         <offlineLinks>
                             <offlineLink>
-                                <url>http://static.javadoc.io/org.commonmark/commonmark/${project.version}/
+                                <url>https://static.javadoc.io/org.commonmark/commonmark/${project.version}/
                                 </url>
                                 <location>${commonmark.javadoc.location}</location>
                             </offlineLink>

From 0c17ae84c059a4f8e95329e351e0a53d06c69ced Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 4 May 2024 15:36:45 +1000
Subject: [PATCH 285/450] Refactor link/image parsing into more manageable
 pieces

---
 .../java/org/commonmark/internal/Bracket.java |   2 +-
 .../commonmark/internal/InlineParserImpl.java | 214 +++++++++++-------
 2 files changed, 127 insertions(+), 89 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/Bracket.java b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
index 9c73a1327..2a91b877e 100644
--- a/commonmark/src/main/java/org/commonmark/internal/Bracket.java
+++ b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
@@ -41,7 +41,7 @@ public class Bracket {
     public boolean allowed = true;
 
     /**
-     * Whether there is an unescaped bracket (opening or closing) anywhere after this opening bracket.
+     * Whether there is an unescaped bracket (opening or closing) after this opening bracket in the text parsed so far.
      */
     public boolean bracketAfter = false;
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 5b91a5a16..fdbcb388b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -7,8 +7,8 @@
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.SourceLines;
-import org.commonmark.parser.beta.*;
 import org.commonmark.parser.beta.Scanner;
+import org.commonmark.parser.beta.*;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.text.Characters;
 
@@ -295,107 +295,103 @@ private Node parseCloseBracket() {
         }
 
         if (!opener.allowed) {
-            // Matching opener but it's not allowed, just return a literal.
+            // Matching opener, but it's not allowed, just return a literal.
             removeLastBracket();
             return text(scanner.getSource(beforeClose, afterClose));
         }
 
-        // Check to see if we have a link/image
-        String dest = null;
-        String title = null;
-
-        // Maybe a inline link like `[foo](/uri "title")`
-        if (scanner.next('(')) {
-            scanner.whitespace();
-            dest = parseLinkDestination(scanner);
-            if (dest == null) {
-                scanner.setPosition(afterClose);
-            } else {
-                int whitespace = scanner.whitespace();
-                // title needs a whitespace before
-                if (whitespace >= 1) {
-                    title = parseLinkTitle(scanner);
-                    scanner.whitespace();
-                }
-                if (!scanner.next(')')) {
-                    // Don't have a closing `)`, so it's not a destination and title -> reset.
-                    // Note that something like `[foo](` could be valid, `(` will just be text.
-                    scanner.setPosition(afterClose);
-                    dest = null;
-                    title = null;
-                }
-            }
+        var linkOrImage = parseLinkOrImage(opener, beforeClose);
+        if (linkOrImage != null) {
+            return linkOrImage;
         }
+        scanner.setPosition(afterClose);
 
-        // Maybe a reference link like `[foo][bar]`, `[foo][]` or `[foo]`.
-        // Note that even `[foo](` could be a valid link if there's a reference, which is why this is not just an `else`
-        // here.
-        if (dest == null) {
-            // See if there's a link label like `[bar]` or `[]`
-            String ref = parseLinkLabel(scanner);
-            if (ref == null) {
-                scanner.setPosition(afterClose);
-            }
-            if ((ref == null || ref.isEmpty()) && !opener.bracketAfter) {
-                // If the second label is empty `[foo][]` or missing `[foo]`, then the first label is the reference.
-                // But it can only be a reference when there's no (unescaped) bracket in it.
-                // If there is, we don't even need to try to look up the reference. This is an optimization.
-                ref = scanner.getSource(opener.contentPosition, beforeClose).getContent();
-            }
+        // Nothing parsed, just parse the bracket as text and continue
+        removeLastBracket();
+        return text(scanner.getSource(beforeClose, afterClose));
+    }
 
-            if (ref != null) {
-                LinkReferenceDefinition definition = context.getLinkReferenceDefinition(ref);
-                if (definition != null) {
-                    dest = definition.getDestination();
-                    title = definition.getTitle();
-                }
+    private Node parseLinkOrImage(Bracket opener, Position beforeClose) {
+        // Check to see if we have a link (or image, with a ! in front). The different types:
+        // - Inline:       `[foo](/uri)` or with optional title `[foo](/uri "title")`
+        // - Reference links
+        //   - Full:      `[foo][bar]` (foo is the text and bar is the label that needs to match a reference)
+        //   - Collapsed: `[foo][]`    (foo is both the text and label)
+        //   - Shortcut:  `[foo]`      (foo is both the text and label)
+
+        // Starting position is after the closing `]`
+        Position afterClose = scanner.position();
+
+        // Maybe an inline link/image
+        var destinationTitle = parseInlineDestinationTitle(scanner);
+        if (destinationTitle != null) {
+            var linkOrImage = opener.image
+                    ? new Image(destinationTitle.destination, destinationTitle.title)
+                    : new Link(destinationTitle.destination, destinationTitle.title);
+            return processLinkOrImage(opener, linkOrImage);
+        }
+        // Not an inline link/image, rewind back to after `]`.
+        scanner.setPosition(afterClose);
+
+        // Maybe a reference link/image like `[foo][bar]`, `[foo][]` or `[foo]`.
+        // Note that even `[foo](` could be a valid link if foo is a reference, which is why we try this even if the `(`
+        // failed to be parsed as an inline link/image before.
+
+        // See if there's a link label like `[bar]` or `[]`
+        String ref = parseLinkLabel(scanner);
+        if ((ref == null || ref.isEmpty()) && !opener.bracketAfter) {
+            // If the second label is empty `[foo][]` or missing `[foo]`, then the first label is the reference.
+            // But it can only be a reference when there's no (unescaped) bracket in it.
+            // If there is, we don't even need to try to look up the reference. This is an optimization.
+            ref = scanner.getSource(opener.contentPosition, beforeClose).getContent();
+        }
+
+        if (ref != null) {
+            LinkReferenceDefinition definition = context.getLinkReferenceDefinition(ref);
+            if (definition != null) {
+                var linkOrImage = opener.image
+                        ? new Image(definition.getDestination(), definition.getTitle())
+                        : new Link(definition.getDestination(), definition.getTitle());
+                return processLinkOrImage(opener, linkOrImage);
             }
         }
 
-        if (dest != null) {
-            // If we got here, we have a link or image
-            Node linkOrImage = opener.image ? new Image(dest, title) : new Link(dest, title);
+        return null;
+    }
 
-            // Add all nodes between the opening bracket and now (closing bracket) as child nodes of the link
-            Node node = opener.node.getNext();
-            while (node != null) {
-                Node next = node.getNext();
-                linkOrImage.appendChild(node);
-                node = next;
-            }
+    private Node processLinkOrImage(Bracket opener, Node linkOrImage) {
+        // Add all nodes between the opening bracket and now (closing bracket) as child nodes of the link
+        Node node = opener.node.getNext();
+        while (node != null) {
+            Node next = node.getNext();
+            linkOrImage.appendChild(node);
+            node = next;
+        }
 
-            if (includeSourceSpans) {
-                linkOrImage.setSourceSpans(scanner.getSource(opener.markerPosition, scanner.position()).getSourceSpans());
-            }
+        if (includeSourceSpans) {
+            linkOrImage.setSourceSpans(scanner.getSource(opener.markerPosition, scanner.position()).getSourceSpans());
+        }
 
-            // Process delimiters such as emphasis inside link/image
-            processDelimiters(opener.previousDelimiter);
-            mergeChildTextNodes(linkOrImage);
-            // We don't need the corresponding text node anymore, we turned it into a link/image node
-            opener.node.unlink();
-            removeLastBracket();
+        // Process delimiters such as emphasis inside link/image
+        processDelimiters(opener.previousDelimiter);
+        mergeChildTextNodes(linkOrImage);
+        // We don't need the corresponding text node anymore, we turned it into a link/image node
+        opener.node.unlink();
+        removeLastBracket();
 
-            // Links within links are not allowed. We found this link, so there can be no other link around it.
-            if (!opener.image) {
-                Bracket bracket = lastBracket;
-                while (bracket != null) {
-                    if (!bracket.image) {
-                        // Disallow link opener. It will still get matched, but will not result in a link.
-                        bracket.allowed = false;
-                    }
-                    bracket = bracket.previous;
+        // Links within links are not allowed. We found this link, so there can be no other link around it.
+        if (!opener.image) {
+            Bracket bracket = lastBracket;
+            while (bracket != null) {
+                if (!bracket.image) {
+                    // Disallow link opener. It will still get matched, but will not result in a link.
+                    bracket.allowed = false;
                 }
+                bracket = bracket.previous;
             }
-
-            return linkOrImage;
-
-        } else {
-            // No link or image, parse just the bracket as text and continue
-            removeLastBracket();
-
-            scanner.setPosition(afterClose);
-            return text(scanner.getSource(beforeClose, afterClose));
         }
+
+        return linkOrImage;
     }
 
     private void addBracket(Bracket bracket) {
@@ -409,10 +405,39 @@ private void removeLastBracket() {
         lastBracket = lastBracket.previous;
     }
 
+    /**
+     * Try to parse the destination and an optional title for an inline link/image.
+     */
+    private static DestinationTitle parseInlineDestinationTitle(Scanner scanner) {
+        if (!scanner.next('(')) {
+            return null;
+        }
+
+        scanner.whitespace();
+        String dest = parseLinkDestination(scanner);
+        if (dest == null) {
+            return null;
+        }
+
+        String title = null;
+        int whitespace = scanner.whitespace();
+        // title needs a whitespace before
+        if (whitespace >= 1) {
+            title = parseLinkTitle(scanner);
+            scanner.whitespace();
+        }
+        if (!scanner.next(')')) {
+            // Don't have a closing `)`, so it's not a destination and title.
+            // Note that something like `[foo](` could still be valid later, `(` will just be text.
+            return null;
+        }
+        return new DestinationTitle(dest, title);
+    }
+
     /**
      * Attempt to parse link destination, returning the string or null if no match.
      */
-    private String parseLinkDestination(Scanner scanner) {
+    private static String parseLinkDestination(Scanner scanner) {
         char delimiter = scanner.peek();
         Position start = scanner.position();
         if (!LinkScanner.scanLinkDestination(scanner)) {
@@ -434,7 +459,7 @@ private String parseLinkDestination(Scanner scanner) {
     /**
      * Attempt to parse link title (sans quotes), returning the string or null if no match.
      */
-    private String parseLinkTitle(Scanner scanner) {
+    private static String parseLinkTitle(Scanner scanner) {
         Position start = scanner.position();
         if (!LinkScanner.scanLinkTitle(scanner)) {
             return null;
@@ -449,7 +474,7 @@ private String parseLinkTitle(Scanner scanner) {
     /**
      * Attempt to parse a link label, returning the label between the brackets or null.
      */
-    String parseLinkLabel(Scanner scanner) {
+    static String parseLinkLabel(Scanner scanner) {
         if (!scanner.next('[')) {
             return null;
         }
@@ -772,4 +797,17 @@ private static class DelimiterData {
             this.canClose = canClose;
         }
     }
+
+    /**
+     * A destination and optional title for a link or image.
+     */
+    private static class DestinationTitle {
+        final String destination;
+        final String title;
+
+        public DestinationTitle(String destination, String title) {
+            this.destination = destination;
+            this.title = title;
+        }
+    }
 }

From 868646e54cd6624e89623d26fec44f09e0f68a6f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=EB=AF=BC=ED=98=81?=
 <94831670+kmh916@users.noreply.github.com>
Date: Tue, 14 May 2024 21:42:55 +0900
Subject: [PATCH 286/450] README: Bump version

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index e2acc08b7..3131e2182 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.21.0</version>
+    <version>0.22.0</version>
 </dependency>
 ```
 
@@ -265,7 +265,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.21.0</version>
+    <version>0.22.0</version>
 </dependency>
 ```
 

From 79e1aed27f9021590357d2e0f82f7ccccea3f577 Mon Sep 17 00:00:00 2001
From: Andy Zhang <37402126+AnzhiZhang@users.noreply.github.com>
Date: Tue, 14 May 2024 23:44:02 +0100
Subject: [PATCH 287/450] Add data to DefaultUrlSanitizer protocols

---
 .../org/commonmark/renderer/html/DefaultUrlSanitizer.java     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java b/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
index 032b8ef2e..4c5bed12c 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/DefaultUrlSanitizer.java
@@ -4,7 +4,7 @@
 
 /**
  *
- * Allows http, https and mailto protocols for url.
+ * Allows http, https, mailto, and data protocols for url.
  * Also allows protocol relative urls, and relative urls.
  * Implementation based on https://github.com/OWASP/java-html-sanitizer/blob/f07e44b034a45d94d6fd010279073c38b6933072/src/main/java/org/owasp/html/FilterUrlByProtocolAttributePolicy.java
  */
@@ -12,7 +12,7 @@ public class DefaultUrlSanitizer implements UrlSanitizer {
     private Set<String> protocols;
 
     public DefaultUrlSanitizer() {
-        this(List.of("http", "https", "mailto"));
+        this(List.of("http", "https", "mailto", "data"));
     }
 
     public DefaultUrlSanitizer(Collection<String> protocols) {

From 1fa49f469ef7113ad4e0ee40bafed01eb32c4dd9 Mon Sep 17 00:00:00 2001
From: kmh916 <kmh102808@gmail.com>
Date: Wed, 15 May 2024 14:20:51 +0900
Subject: [PATCH 288/450] Update reference spec version in comments to 0.31.2

---
 .../src/main/java/org/commonmark/node/FencedCodeBlock.java      | 2 +-
 commonmark/src/main/java/org/commonmark/node/HtmlBlock.java     | 2 +-
 commonmark/src/main/java/org/commonmark/node/HtmlInline.java    | 2 +-
 commonmark/src/main/java/org/commonmark/node/Link.java          | 2 +-
 .../main/java/org/commonmark/node/LinkReferenceDefinition.java  | 2 +-
 commonmark/src/main/java/org/commonmark/node/ListBlock.java     | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java b/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java
index 205ef9126..314c7457d 100644
--- a/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java
+++ b/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java
@@ -67,7 +67,7 @@ public void setFenceIndent(int fenceIndent) {
     }
 
     /**
-     * @see <a href="http://spec.commonmark.org/0.18/#info-string">CommonMark spec</a>
+     * @see <a href="http://spec.commonmark.org/0.31.2/#info-string">CommonMark spec</a>
      */
     public String getInfo() {
         return info;
diff --git a/commonmark/src/main/java/org/commonmark/node/HtmlBlock.java b/commonmark/src/main/java/org/commonmark/node/HtmlBlock.java
index ad46c56ce..fbe00927d 100644
--- a/commonmark/src/main/java/org/commonmark/node/HtmlBlock.java
+++ b/commonmark/src/main/java/org/commonmark/node/HtmlBlock.java
@@ -3,7 +3,7 @@
 /**
  * HTML block
  *
- * @see <a href="http://spec.commonmark.org/0.18/#html-blocks">CommonMark Spec</a>
+ * @see <a href="http://spec.commonmark.org/0.31.2/#html-blocks">CommonMark Spec</a>
  */
 public class HtmlBlock extends Block {
 
diff --git a/commonmark/src/main/java/org/commonmark/node/HtmlInline.java b/commonmark/src/main/java/org/commonmark/node/HtmlInline.java
index 291fcde3c..35360c639 100644
--- a/commonmark/src/main/java/org/commonmark/node/HtmlInline.java
+++ b/commonmark/src/main/java/org/commonmark/node/HtmlInline.java
@@ -3,7 +3,7 @@
 /**
  * Inline HTML element.
  *
- * @see <a href="http://spec.commonmark.org/0.24/#raw-html">CommonMark Spec</a>
+ * @see <a href="http://spec.commonmark.org/0.31.2/#raw-html">CommonMark Spec</a>
  */
 public class HtmlInline extends Node {
 
diff --git a/commonmark/src/main/java/org/commonmark/node/Link.java b/commonmark/src/main/java/org/commonmark/node/Link.java
index b2ed8c2a1..f0a5ed0d8 100644
--- a/commonmark/src/main/java/org/commonmark/node/Link.java
+++ b/commonmark/src/main/java/org/commonmark/node/Link.java
@@ -18,7 +18,7 @@
  * Note that the text in the link can contain inline formatting, so it could also contain an {@link Image} or
  * {@link Emphasis}, etc.
  *
- * @see <a href="http://spec.commonmark.org/0.26/#links">CommonMark Spec for links</a>
+ * @see <a href="http://spec.commonmark.org/0.31.2/#links">CommonMark Spec for links</a>
  */
 public class Link extends Node {
 
diff --git a/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java b/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java
index e63b0242a..412a3c38d 100644
--- a/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java
+++ b/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java
@@ -9,7 +9,7 @@
  * They can be referenced anywhere else in the document to produce a link using <code>[foo]</code>. The definitions
  * themselves are usually not rendered in the final output.
  *
- * @see <a href="https://spec.commonmark.org/0.29/#link-reference-definition">Link reference definitions</a>
+ * @see <a href="https://spec.commonmark.org/0.31.2/#link-reference-definition">Link reference definitions</a>
  */
 public class LinkReferenceDefinition extends Block {
 
diff --git a/commonmark/src/main/java/org/commonmark/node/ListBlock.java b/commonmark/src/main/java/org/commonmark/node/ListBlock.java
index 69482f66e..1a7c8b2fd 100644
--- a/commonmark/src/main/java/org/commonmark/node/ListBlock.java
+++ b/commonmark/src/main/java/org/commonmark/node/ListBlock.java
@@ -6,7 +6,7 @@ public abstract class ListBlock extends Block {
 
     /**
      * @return whether this list is tight or loose
-     * @see <a href="https://spec.commonmark.org/0.28/#tight">CommonMark Spec for tight lists</a>
+     * @see <a href="https://spec.commonmark.org/0.31.2/#tight">CommonMark Spec for tight lists</a>
      */
     public boolean isTight() {
         return tight;

From 92ef1d0a9f72ee24741b1da72c0ab07c06db7ad2 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 18 May 2024 11:35:09 +1000
Subject: [PATCH 289/450] Make bracket processing extensible via a
 BracketProcessor

---
 .../commonmark/internal/InlineParserImpl.java | 92 ++++++++++++++++---
 .../internal/inline/BracketResultImpl.java    | 47 ++++++++++
 .../internal/inline/CoreBracketProcessor.java | 27 ++++++
 .../commonmark/parser/beta/BracketInfo.java   | 27 ++++++
 .../parser/beta/BracketProcessor.java         |  8 ++
 .../commonmark/parser/beta/BracketResult.java | 20 ++++
 6 files changed, 206 insertions(+), 15 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/BracketResultImpl.java
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
 create mode 100644 commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java
 create mode 100644 commonmark/src/main/java/org/commonmark/parser/beta/BracketProcessor.java
 create mode 100644 commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index fdbcb388b..fcc37692f 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -337,22 +337,84 @@ private Node parseLinkOrImage(Bracket opener, Position beforeClose) {
         // Note that even `[foo](` could be a valid link if foo is a reference, which is why we try this even if the `(`
         // failed to be parsed as an inline link/image before.
 
+        String text = scanner.getSource(opener.contentPosition, beforeClose).getContent();
+
         // See if there's a link label like `[bar]` or `[]`
-        String ref = parseLinkLabel(scanner);
-        if ((ref == null || ref.isEmpty()) && !opener.bracketAfter) {
-            // If the second label is empty `[foo][]` or missing `[foo]`, then the first label is the reference.
-            // But it can only be a reference when there's no (unescaped) bracket in it.
-            // If there is, we don't even need to try to look up the reference. This is an optimization.
-            ref = scanner.getSource(opener.contentPosition, beforeClose).getContent();
-        }
-
-        if (ref != null) {
-            LinkReferenceDefinition definition = context.getLinkReferenceDefinition(ref);
-            if (definition != null) {
-                var linkOrImage = opener.image
-                        ? new Image(definition.getDestination(), definition.getTitle())
-                        : new Link(definition.getDestination(), definition.getTitle());
-                return processLinkOrImage(opener, linkOrImage);
+        String label = parseLinkLabel(scanner);
+        if (label == null) {
+            // No label, rewind back
+            scanner.setPosition(afterClose);
+        }
+        var referenceType = label == null ?
+                BracketInfo.ReferenceType.SHORTCUT : label.isEmpty() ?
+                BracketInfo.ReferenceType.COLLAPSED :
+                BracketInfo.ReferenceType.FULL;
+        if ((referenceType == BracketInfo.ReferenceType.SHORTCUT || referenceType == BracketInfo.ReferenceType.COLLAPSED)
+                && opener.bracketAfter) {
+            // In case of SHORTCUT or COLLAPSED, the text is used as the reference. But the reference is not allowed to
+            // contain an unescaped bracket, so if that's the case we don't need to continue. This is an optimization.
+            return null;
+        }
+
+        var bracketInfo = new BracketInfo() {
+            @Override
+            public OpenerType openerType() {
+                return opener.image ? OpenerType.IMAGE : OpenerType.LINK;
+            }
+
+            @Override
+            public ReferenceType referenceType() {
+                return referenceType;
+            }
+
+            @Override
+            public String text() {
+                return text;
+            }
+
+            @Override
+            public String label() {
+                return label;
+            }
+
+            @Override
+            public Position afterTextBracket() {
+                return afterClose;
+            }
+        };
+
+        // TODO: Configurable and multiple processors
+        // TODO: Reset scanner on fail
+        // TODO: Should inline links also go through this, maybe? That would allow e.g. the image attributes extension
+        //  to use it to parse the attributes, I think. It would also be clearer: Every type of link goes through this.
+        var bracketResult = new CoreBracketProcessor().process(bracketInfo, scanner, context);
+        if (bracketResult instanceof BracketResultImpl) {
+            var type = ((BracketResultImpl) bracketResult).getType();
+            var node = ((BracketResultImpl) bracketResult).getNode();
+            var position = ((BracketResultImpl) bracketResult).getPosition();
+            var startFromBracket = ((BracketResultImpl) bracketResult).isStartFromBracket();
+
+            switch (type) {
+                case WRAP:
+                    scanner.setPosition(position);
+                    // TODO: startFromBracket
+                    return processLinkOrImage(opener, node);
+                case REPLACE:
+                    scanner.setPosition(position);
+
+                    // Remove delimiters (but keep text nodes)
+                    while (lastDelimiter != null && lastDelimiter != opener.previousDelimiter) {
+                        removeDelimiterKeepNode(lastDelimiter);
+                    }
+
+                    removeLastBracket();
+
+                    // TODO: startFromBracket needs to split the opening node.. Maybe we should just keep ! and [
+                    //  as separate nodes in Bracket
+                    for (Node n = opener.node; n != null; n = n.getNext()) {
+                        n.unlink();
+                    }
+                    return node;
             }
         }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BracketResultImpl.java b/commonmark/src/main/java/org/commonmark/internal/inline/BracketResultImpl.java
new file mode 100644
index 000000000..1ae450c9f
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BracketResultImpl.java
@@ -0,0 +1,47 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.internal.InlineParserImpl;
+import org.commonmark.node.Node;
+import org.commonmark.parser.beta.BracketResult;
+import org.commonmark.parser.beta.Position;
+
+public class BracketResultImpl implements BracketResult {
+    @Override
+    public BracketResult startFromBracket() {
+        startFromBracket = true;
+        return this;
+    }
+
+    public enum Type {
+        WRAP,
+        REPLACE
+    }
+
+    private final Type type;
+    private final Node node;
+    private final Position position;
+
+    private boolean startFromBracket;
+
+    public BracketResultImpl(Type type, Node node, Position position) {
+        this.type = type;
+        this.node = node;
+        this.position = position;
+    }
+
+    public Type getType() {
+        return type;
+    }
+
+    public Node getNode() {
+        return node;
+    }
+
+    public Position getPosition() {
+        return position;
+    }
+
+    public boolean isStartFromBracket() {
+        return startFromBracket;
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java b/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
new file mode 100644
index 000000000..f208f76e2
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
@@ -0,0 +1,27 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.node.Image;
+import org.commonmark.node.Link;
+import org.commonmark.parser.InlineParserContext;
+import org.commonmark.parser.beta.BracketInfo;
+import org.commonmark.parser.beta.BracketProcessor;
+import org.commonmark.parser.beta.BracketResult;
+import org.commonmark.parser.beta.Scanner;
+
+public class CoreBracketProcessor implements BracketProcessor {
+
+    @Override
+    public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlineParserContext context) {
+        var label = bracketInfo.label();
+        var ref = label != null && !label.isEmpty() ? label : bracketInfo.text();
+        var def = context.getLinkReferenceDefinition(ref);
+        if (def != null) {
+            if (bracketInfo.openerType() == BracketInfo.OpenerType.IMAGE) {
+                return BracketResult.wrapTextIn(new Image(def.getDestination(), def.getTitle()), scanner.position());
+            } else if (bracketInfo.openerType() == BracketInfo.OpenerType.LINK) {
+                return BracketResult.wrapTextIn(new Link(def.getDestination(), def.getTitle()), scanner.position());
+            }
+        }
+        return BracketResult.none();
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java b/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java
new file mode 100644
index 000000000..7dc49ea50
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java
@@ -0,0 +1,27 @@
+package org.commonmark.parser.beta;
+
+public interface BracketInfo {
+    enum OpenerType {
+        // An image (a `!` before the `[`)
+        IMAGE,
+        // A link
+        LINK
+    }
+
+    enum ReferenceType {
+        FULL,
+        COLLAPSED,
+        SHORTCUT
+    }
+
+    // TODO: We could also expose the opener Text (`[` or `![`)
+    OpenerType openerType();
+
+    ReferenceType referenceType();
+
+    String text();
+
+    String label();
+
+    Position afterTextBracket();
+}
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/BracketProcessor.java b/commonmark/src/main/java/org/commonmark/parser/beta/BracketProcessor.java
new file mode 100644
index 000000000..5d7aae236
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/BracketProcessor.java
@@ -0,0 +1,8 @@
+package org.commonmark.parser.beta;
+
+import org.commonmark.parser.InlineParserContext;
+
+public interface BracketProcessor {
+
+    BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlineParserContext context);
+}
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java b/commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java
new file mode 100644
index 000000000..6a3a23cef
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java
@@ -0,0 +1,20 @@
+package org.commonmark.parser.beta;
+
+import org.commonmark.internal.inline.BracketResultImpl;
+import org.commonmark.node.Node;
+
+public interface BracketResult {
+    static BracketResult none() {
+        return null;
+    }
+
+    static BracketResult wrapTextIn(Node node, Position position) {
+        return new BracketResultImpl(BracketResultImpl.Type.WRAP, node, position);
+    }
+
+    static BracketResult replaceWith(Node node, Position position) {
+        return new BracketResultImpl(BracketResultImpl.Type.WRAP, node, position);
+    }
+
+    BracketResult startFromBracket();
+}

From 7500905e270b66df75a1a1493a6e9cdb84dc321a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 18 May 2024 15:31:38 +1000
Subject: [PATCH 290/450] Allow adding BracketProcessors, use for footnotes
 extension

---
 .../ext/footnotes/FootnoteReference.java      | 15 +++++
 .../ext/footnotes/FootnotesExtension.java     |  5 +-
 .../internal/FootnoteBracketProcessor.java    | 26 +++++++++
 .../ext/footnotes/FootnotesTest.java          | 57 +++++++++++++++++++
 .../commonmark/internal/DocumentParser.java   | 11 ++--
 .../internal/InlineParserContextImpl.java     | 11 +++-
 .../commonmark/internal/InlineParserImpl.java | 39 +++++++++----
 .../parser/InlineParserContext.java           |  6 ++
 .../java/org/commonmark/parser/Parser.java    | 20 ++++++-
 .../commonmark/parser/beta/BracketInfo.java   |  6 ++
 .../test/InlineParserContextTest.java         |  6 ++
 11 files changed, 182 insertions(+), 20 deletions(-)
 create mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteReference.java
 create mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteReference.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteReference.java
new file mode 100644
index 000000000..d7eda870c
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteReference.java
@@ -0,0 +1,15 @@
+package org.commonmark.ext.footnotes;
+
+import org.commonmark.node.CustomNode;
+
+public class FootnoteReference extends CustomNode {
+    private String label;
+
+    public FootnoteReference(String label) {
+        this.label = label;
+    }
+
+    public String getLabel() {
+        return label;
+    }
+}
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
index df376aaba..60b72393a 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.Extension;
 import org.commonmark.ext.footnotes.internal.FootnoteBlockParser;
+import org.commonmark.ext.footnotes.internal.FootnoteBracketProcessor;
 import org.commonmark.parser.Parser;
 
 /**
@@ -19,6 +20,8 @@ public static Extension create() {
 
     @Override
     public void extend(Parser.Builder parserBuilder) {
-        parserBuilder.customBlockParserFactory(new FootnoteBlockParser.Factory());
+        parserBuilder
+                .customBlockParserFactory(new FootnoteBlockParser.Factory())
+                .bracketProcessor(new FootnoteBracketProcessor());
     }
 }
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
new file mode 100644
index 000000000..6fa4ac3ee
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
@@ -0,0 +1,26 @@
+package org.commonmark.ext.footnotes.internal;
+
+import org.commonmark.ext.footnotes.FootnoteReference;
+import org.commonmark.parser.InlineParserContext;
+import org.commonmark.parser.beta.BracketInfo;
+import org.commonmark.parser.beta.BracketProcessor;
+import org.commonmark.parser.beta.BracketResult;
+import org.commonmark.parser.beta.Scanner;
+
+public class FootnoteBracketProcessor implements BracketProcessor {
+    @Override
+    public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlineParserContext context) {
+        // TODO: Does parsing need to be more strict here?
+        var text = bracketInfo.text();
+        if (text.startsWith("^")) {
+            // TODO: Do we need to check if a definition exists before doing this? (That would be the same as reference
+            //  links.)
+
+            // For footnotes, we only ever consume the text part of the link, not the label part (if any).
+            var position = bracketInfo.afterTextBracket();
+            var label = text.substring(1);
+            return BracketResult.replaceWith(new FootnoteReference(label), position);
+        }
+        return BracketResult.none();
+    }
+}
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index c6fea7277..92e51b6da 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -79,6 +79,63 @@ public void testFootnotesDefinitionInterruptedByOthers() {
         assertEquals("Heading", ((Text) heading.getFirstChild()).getLiteral());
     }
 
+    @Test
+    public void testReference() {
+        var doc = PARSER.parse("Test [^foo]\n\n[^foo]: /url\n");
+        var ref = find(doc, FootnoteReference.class);
+        assertEquals("foo", ref.getLabel());
+    }
+
+    // Interesting test cases:
+
+    // Test [foo][^bar]
+    //
+    // [^bar]: footnote
+    //
+    // -> [^bar] is a footnote but [foo] is just text, because full reference links don't resolve as footnotes
+
+    // Test [^bar][]
+    //
+    // [^bar]: footnote
+    //
+    // -> [^bar] is a footnote but [] is just text, because collapsed reference links don't resolve as footnotes
+
+    // Test [^f[oo]
+    //
+    // [^f[oo]: /url
+    //
+    // -> Not a footnote, [ needs to be escaped
+
+    // Test [^*foo*]
+    //
+    // [^*foo*]: /url
+    //
+    // -> No emphasis inside footnote reference
+
+    // Test *abc [^foo*] def*
+    //
+    // [^foo*]: /url
+    //
+    // -> Emphasis around footnote reference
+
+    // Test [^*foo*][foo]
+    //
+    // [^*foo*]: /url
+    //
+    // [foo]: /url
+    //
+    // vs
+    //
+    // Test [^*foo*][foo]
+    //
+    // [^*foo*]: /url
+
+    // Test ![^foo]
+    //
+    // [^foo]: note
+    //
+    // -> Not an image
+
     private static <T> T find(Node parent, Class<T> nodeClass) {
         return Objects.requireNonNull(tryFind(parent, nodeClass), "Could not find a " + nodeClass.getSimpleName() + " node in " + parent);
     }
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index dd59b1a36..e3be3cfa3 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -3,6 +3,7 @@
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
 import org.commonmark.parser.*;
+import org.commonmark.parser.beta.BracketProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.block.*;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
@@ -69,6 +70,7 @@ public class DocumentParser implements ParserState {
     private final InlineParserFactory inlineParserFactory;
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
+    private final List<BracketProcessor> bracketProcessors;
     private final IncludeSourceSpans includeSourceSpans;
     private final DocumentBlockParser documentBlockParser;
     private final LinkReferenceDefinitions definitions = new LinkReferenceDefinitions();
@@ -78,11 +80,12 @@ public class DocumentParser implements ParserState {
 
     public DocumentParser(List<BlockParserFactory> blockParserFactories, InlineParserFactory inlineParserFactory,
                           List<InlineContentParserFactory> inlineContentParserFactories, List<DelimiterProcessor> delimiterProcessors,
-                          IncludeSourceSpans includeSourceSpans) {
+                          List<BracketProcessor> bracketProcessors, IncludeSourceSpans includeSourceSpans) {
         this.blockParserFactories = blockParserFactories;
         this.inlineParserFactory = inlineParserFactory;
         this.inlineContentParserFactories = inlineContentParserFactories;
         this.delimiterProcessors = delimiterProcessors;
+        this.bracketProcessors = bracketProcessors;
         this.includeSourceSpans = includeSourceSpans;
 
         this.documentBlockParser = new DocumentBlockParser();
@@ -481,10 +484,10 @@ private void addDefinitionsFrom(ParagraphParser paragraphParser) {
      * Walk through a block & children recursively, parsing string content into inline content where appropriate.
      */
     private void processInlines() {
-        InlineParserContextImpl context = new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, definitions);
-        InlineParser inlineParser = inlineParserFactory.create(context);
+        var context = new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, bracketProcessors, definitions);
+        var inlineParser = inlineParserFactory.create(context);
 
-        for (BlockParser blockParser : allBlockParsers) {
+        for (var blockParser : allBlockParsers) {
             blockParser.parseInlines(inlineParser);
         }
     }
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
index 689a5372e..d7bf8d16b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
@@ -1,8 +1,9 @@
 package org.commonmark.internal;
 
-import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParserContext;
+import org.commonmark.parser.beta.BracketProcessor;
+import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.util.List;
@@ -11,13 +12,16 @@ public class InlineParserContextImpl implements InlineParserContext {
 
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
+    private final List<BracketProcessor> bracketProcessors;
     private final LinkReferenceDefinitions linkReferenceDefinitions;
 
     public InlineParserContextImpl(List<InlineContentParserFactory> inlineContentParserFactories,
                                    List<DelimiterProcessor> delimiterProcessors,
+                                   List<BracketProcessor> bracketProcessors,
                                    LinkReferenceDefinitions linkReferenceDefinitions) {
         this.inlineContentParserFactories = inlineContentParserFactories;
         this.delimiterProcessors = delimiterProcessors;
+        this.bracketProcessors = bracketProcessors;
         this.linkReferenceDefinitions = linkReferenceDefinitions;
     }
 
@@ -31,6 +35,11 @@ public List<DelimiterProcessor> getCustomDelimiterProcessors() {
         return delimiterProcessors;
     }
 
+    @Override
+    public List<BracketProcessor> getCustomBracketProcessors() {
+        return bracketProcessors;
+    }
+
     @Override
     public LinkReferenceDefinition getLinkReferenceDefinition(String label) {
         return linkReferenceDefinitions.get(label);
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index fcc37692f..6e4ad9c61 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -19,6 +19,7 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
     private final InlineParserContext context;
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final Map<Character, DelimiterProcessor> delimiterProcessors;
+    private final List<BracketProcessor> bracketProcessors;
     private final BitSet specialCharacters;
 
     private Map<Character, List<InlineContentParser>> inlineParsers;
@@ -41,6 +42,7 @@ public InlineParserImpl(InlineParserContext context) {
         this.context = context;
         this.inlineContentParserFactories = calculateInlineContentParserFactories(context.getCustomInlineContentParserFactories());
         this.delimiterProcessors = calculateDelimiterProcessors(context.getCustomDelimiterProcessors());
+        this.bracketProcessors = calculateBracketProcessors(context.getCustomBracketProcessors());
         this.specialCharacters = calculateSpecialCharacters(this.delimiterProcessors.keySet(), this.inlineContentParserFactories);
     }
 
@@ -55,6 +57,13 @@ private List<InlineContentParserFactory> calculateInlineContentParserFactories(L
         return list;
     }
 
+    private List<BracketProcessor> calculateBracketProcessors(List<BracketProcessor> bracketProcessors) {
+        // Custom bracket processors can override the built-in behavior, so make sure they are tried first
+        var list = new ArrayList<>(bracketProcessors);
+        list.add(new CoreBracketProcessor());
+        return list;
+    }
+
     private static Map<Character, DelimiterProcessor> calculateDelimiterProcessors(List<DelimiterProcessor> delimiterProcessors) {
         var map = new HashMap<Character, DelimiterProcessor>();
         addDelimiterProcessors(List.of(new AsteriskDelimiterProcessor(), new UnderscoreDelimiterProcessor()), map);
@@ -383,18 +392,24 @@ public Position afterTextBracket() {
             }
         };
 
-        // TODO: Configurable and multiple processors
-        // TODO: Reset scanner on fail
-        // TODO: Should inline links also go through this, maybe? That would allow e.g. the image attributes extension
-        //  to use it to parse the attributes, I think. It would also be clearer: Every type of link goes through this.
-        var bracketResult = new CoreBracketProcessor().process(bracketInfo, scanner, context);
-        if (bracketResult instanceof BracketResultImpl) {
-            var type = ((BracketResultImpl) bracketResult).getType();
-            var node = ((BracketResultImpl) bracketResult).getNode();
-            var position = ((BracketResultImpl) bracketResult).getPosition();
-            var startFromBracket = ((BracketResultImpl) bracketResult).isStartFromBracket();
-
-            switch (type) {
+        var processorStartPosition = scanner.position();
+
+        for (var bracketProcessor : bracketProcessors) {
+            // TODO: Should inline links also go through this, maybe? That would allow e.g. the image attributes extension
+            //  to use it to parse the attributes, I think. It would also be clearer: Every type of link goes through this.
+            var bracketResult = bracketProcessor.process(bracketInfo, scanner, context);
+            if (!(bracketResult instanceof BracketResultImpl)) {
+                // Reset position in case the processor used the scanner, and it didn't work out.
+                scanner.setPosition(processorStartPosition);
+                continue;
+            }
+
+            var result = (BracketResultImpl) bracketResult;
+            var node = result.getNode();
+            var position = result.getPosition();
+            var startFromBracket = result.isStartFromBracket();
+
+            switch (result.getType()) {
                 case WRAP:
                     scanner.setPosition(position);
                     // TODO: startFromBracket
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
index dde86b311..6c3c9cbc6 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
@@ -1,6 +1,7 @@
 package org.commonmark.parser;
 
 import org.commonmark.node.LinkReferenceDefinition;
+import org.commonmark.parser.beta.BracketProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
@@ -23,6 +24,11 @@ public interface InlineParserContext {
      */
     List<DelimiterProcessor> getCustomDelimiterProcessors();
 
+    /**
+     * TODO
+     */
+    List<BracketProcessor> getCustomBracketProcessors();
+
     /**
      * Look up a {@link LinkReferenceDefinition} for a given label.
      * <p>
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 917534181..dc91f5dc3 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -6,6 +6,7 @@
 import org.commonmark.internal.InlineParserImpl;
 import org.commonmark.internal.LinkReferenceDefinitions;
 import org.commonmark.node.*;
+import org.commonmark.parser.beta.BracketProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.block.BlockParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
@@ -32,6 +33,7 @@ public class Parser {
     private final List<BlockParserFactory> blockParserFactories;
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
+    private final List<BracketProcessor> bracketProcessors;
     private final InlineParserFactory inlineParserFactory;
     private final List<PostProcessor> postProcessors;
     private final IncludeSourceSpans includeSourceSpans;
@@ -42,11 +44,14 @@ private Parser(Builder builder) {
         this.postProcessors = builder.postProcessors;
         this.inlineContentParserFactories = builder.inlineContentParserFactories;
         this.delimiterProcessors = builder.delimiterProcessors;
+        this.bracketProcessors = builder.bracketProcessors;
         this.includeSourceSpans = builder.includeSourceSpans;
 
         // Try to construct an inline parser. Invalid configuration might result in an exception, which we want to
         // detect as soon as possible.
-        this.inlineParserFactory.create(new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, new LinkReferenceDefinitions()));
+        var context = new InlineParserContextImpl(
+                inlineContentParserFactories, delimiterProcessors, bracketProcessors, new LinkReferenceDefinitions());
+        this.inlineParserFactory.create(context);
     }
 
     /**
@@ -99,7 +104,8 @@ public Node parseReader(Reader input) throws IOException {
     }
 
     private DocumentParser createDocumentParser() {
-        return new DocumentParser(blockParserFactories, inlineParserFactory, inlineContentParserFactories, delimiterProcessors, includeSourceSpans);
+        return new DocumentParser(blockParserFactories, inlineParserFactory, inlineContentParserFactories,
+                delimiterProcessors, bracketProcessors, includeSourceSpans);
     }
 
     private Node postProcess(Node document) {
@@ -116,6 +122,7 @@ public static class Builder {
         private final List<BlockParserFactory> blockParserFactories = new ArrayList<>();
         private final List<InlineContentParserFactory> inlineContentParserFactories = new ArrayList<>();
         private final List<DelimiterProcessor> delimiterProcessors = new ArrayList<>();
+        private final List<BracketProcessor> bracketProcessors = new ArrayList<>();
         private final List<PostProcessor> postProcessors = new ArrayList<>();
         private Set<Class<? extends Block>> enabledBlockTypes = DocumentParser.getDefaultBlockParserTypes();
         private InlineParserFactory inlineParserFactory;
@@ -240,6 +247,15 @@ public Builder customDelimiterProcessor(DelimiterProcessor delimiterProcessor) {
             return this;
         }
 
+        /**
+         * TODO
+         */
+        public Builder bracketProcessor(BracketProcessor bracketProcessor) {
+            Objects.requireNonNull(bracketProcessor, "bracketProcessor must not be null");
+            bracketProcessors.add(bracketProcessor);
+            return this;
+        }
+
         public Builder postProcessor(PostProcessor postProcessor) {
             Objects.requireNonNull(postProcessor, "postProcessor must not be null");
             postProcessors.add(postProcessor);
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java b/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java
index 7dc49ea50..10002c91b 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java
@@ -19,8 +19,14 @@ enum ReferenceType {
 
     ReferenceType referenceType();
 
+    /**
+     * The text between the first brackets, e.g. `foo` in `[foo][bar]`.
+     */
     String text();
 
+    /**
+     * The label, or null for shortcut links (in which case {@link #text()} should be used as the label).
+     */
     String label();
 
     Position afterTextBracket();
diff --git a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
index 26a7da559..c9aa50dc2 100644
--- a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
@@ -1,6 +1,7 @@
 package org.commonmark.test;
 
 import org.commonmark.internal.InlineParserImpl;
+import org.commonmark.parser.beta.BracketProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParser;
@@ -51,6 +52,11 @@ public List<DelimiterProcessor> getCustomDelimiterProcessors() {
                     return inlineParserContext.getCustomDelimiterProcessors();
                 }
 
+                @Override
+                public List<BracketProcessor> getCustomBracketProcessors() {
+                    return inlineParserContext.getCustomBracketProcessors();
+                }
+
                 @Override
                 public LinkReferenceDefinition getLinkReferenceDefinition(String label) {
                     lookups.add(label);

From f30c787f9bb81b5f324c4519fa121309ebf27792 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 18 May 2024 16:01:38 +1000
Subject: [PATCH 291/450] Actually parse child nodes of footnote definition

---
 .../internal/FootnoteBlockParser.java         | 34 ++++++++++-----
 .../ext/footnotes/FootnotesTest.java          | 42 +++++++++++++++----
 2 files changed, 58 insertions(+), 18 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
index 99f75cc4c..a0c1ea181 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
@@ -18,16 +18,26 @@ public Block getBlock() {
     }
 
     @Override
-    public boolean canHaveLazyContinuationLines() {
+    public boolean isContainer() {
+        return true;
+    }
+
+    @Override
+    public boolean canContain(Block childBlock) {
         return true;
     }
 
     @Override
     public BlockContinue tryContinue(ParserState parserState) {
-        // We're not continuing to give other block parsers a chance to interrupt this definition.
-        // But if no other block parser applied (including another FootnotesBlockParser), we will
-        // accept the line via lazy continuation.
-        return BlockContinue.none();
+        if (parserState.getIndent() >= 4) {
+            // It looks like content needs to be indented by 4 so that it's part of a footnote (instead of starting a new block).
+            return BlockContinue.atColumn(4);
+        } else {
+            // We're not continuing to give other block parsers a chance to interrupt this definition.
+            // But if no other block parser applied (including another FootnotesBlockParser), we will
+            // accept the line via lazy continuation (same as a block quote).
+            return BlockContinue.none();
+        }
     }
 
     public static class Factory implements BlockParserFactory {
@@ -47,12 +57,14 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             // Now at first label character (if any)
             index++;
 
-            for (int i = index; i < content.length(); i++) {
-                var c = content.charAt(i);
-                if (c == ']') {
-                    if (i > index) {
-                        var label = content.subSequence(index, i).toString();
-                        return BlockStart.of(new FootnoteBlockParser(label));
+            var labelStart = index;
+
+            for (index = labelStart; index < content.length(); index++) {
+                var c = content.charAt(index);
+                if (c == ']' && index + 1 < content.length() && content.charAt(index + 1) == ':') {
+                    if (index > labelStart) {
+                        var label = content.subSequence(labelStart, index).toString();
+                        return BlockStart.of(new FootnoteBlockParser(label)).atIndex(index + 2);
                     } else {
                         return BlockStart.none();
                     }
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 92e51b6da..d9e44b5c4 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -19,7 +19,7 @@ public class FootnotesTest {
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
 
     @Test
-    public void testBlockStart() {
+    public void testDefBlockStart() {
         for (var s : List.of("1", "a")) {
             var doc = PARSER.parse("[^" + s + "]: footnote\n");
             var def = find(doc, FootnoteDefinition.class);
@@ -37,7 +37,8 @@ public void testBlockStart() {
     }
 
     @Test
-    public void testBlockStartInterrupts() {
+    public void testDefBlockStartInterrupts() {
+        // This is different from a link reference definition, which can only be at the start of paragraphs.
         var doc = PARSER.parse("test\n[^1]: footnote\n");
         var paragraph = find(doc, Paragraph.class);
         var def = find(doc, FootnoteDefinition.class);
@@ -46,7 +47,7 @@ public void testBlockStartInterrupts() {
     }
 
     @Test
-    public void testMultiple() {
+    public void testDefMultiple() {
         var doc = PARSER.parse("[^1]: foo\n[^2]: bar\n");
         var defs = findAll(doc, FootnoteDefinition.class);
         assertEquals("1", defs.get(0).getLabel());
@@ -54,7 +55,7 @@ public void testMultiple() {
     }
 
     @Test
-    public void testBlockStartAfterLinkReferenceDefinition() {
+    public void testDefBlockStartAfterLinkReferenceDefinition() {
         var doc = PARSER.parse("[foo]: /url\n[^1]: footnote\n");
         var linkReferenceDef = find(doc, LinkReferenceDefinition.class);
         var footnotesDef = find(doc, FootnoteDefinition.class);
@@ -63,15 +64,42 @@ public void testBlockStartAfterLinkReferenceDefinition() {
     }
 
     @Test
-    public void testBlockContinue() {
+    public void testDefContainsParagraph() {
+        var doc = PARSER.parse("[^1]: footnote\n");
+        var def = find(doc, FootnoteDefinition.class);
+        var paragraph = (Paragraph) def.getFirstChild();
+        var text = (Text) paragraph.getFirstChild();
+        assertEquals("footnote", text.getLiteral());
+    }
+
+    @Test
+    public void testDefContainsMultipleLines() {
         var doc = PARSER.parse("[^1]: footnote\nstill\n");
         var def = find(doc, FootnoteDefinition.class);
         assertEquals("1", def.getLabel());
-        assertNull(tryFind(doc, Paragraph.class));
+        var paragraph = (Paragraph) def.getFirstChild();
+        var text1 = (Text) paragraph.getFirstChild();
+        var text2 = (Text) paragraph.getLastChild();
+        assertEquals("footnote", text1.getLiteral());
+        assertEquals("still", text2.getLiteral());
+    }
+
+    @Test
+    public void testDefContainsList() {
+        var doc = PARSER.parse("[^1]: - foo\n    - bar\n");
+        var def = find(doc, FootnoteDefinition.class);
+        assertEquals("1", def.getLabel());
+        var list = (BulletList) def.getFirstChild();
+        var item1 = (ListItem) list.getFirstChild();
+        var item2 = (ListItem) list.getLastChild();
+        var text1 = (Text) item1.getFirstChild().getFirstChild();
+        var text2 = (Text) item2.getFirstChild().getFirstChild();
+        assertEquals("foo", text1.getLiteral());
+        assertEquals("bar", text2.getLiteral());
     }
 
     @Test
-    public void testFootnotesDefinitionInterruptedByOthers() {
+    public void testDefInterruptedByOthers() {
         var doc = PARSER.parse("[^1]: footnote\n# Heading\n");
         var def = find(doc, FootnoteDefinition.class);
         var heading = find(doc, Heading.class);

From 04ba63f024ab5dbf8ef9e82b9fee4993d60780fe Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 19 May 2024 22:13:20 +1000
Subject: [PATCH 292/450] Extract DefinitionMap as a public class

---
 .../commonmark/internal/DocumentParser.java   | 14 +++++--
 .../internal/InlineParserContextImpl.java     |  5 ++-
 .../internal/LinkReferenceDefinitions.java    | 27 -------------
 .../org/commonmark/node/DefinitionMap.java    | 38 +++++++++++++++++++
 .../java/org/commonmark/parser/Parser.java    |  3 +-
 5 files changed, 52 insertions(+), 35 deletions(-)
 delete mode 100644 commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitions.java
 create mode 100644 commonmark/src/main/java/org/commonmark/node/DefinitionMap.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index e3be3cfa3..af0cb16b7 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -2,7 +2,10 @@
 
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
-import org.commonmark.parser.*;
+import org.commonmark.parser.IncludeSourceSpans;
+import org.commonmark.parser.InlineParserFactory;
+import org.commonmark.parser.SourceLine;
+import org.commonmark.parser.SourceLines;
 import org.commonmark.parser.beta.BracketProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.block.*;
@@ -73,7 +76,7 @@ public class DocumentParser implements ParserState {
     private final List<BracketProcessor> bracketProcessors;
     private final IncludeSourceSpans includeSourceSpans;
     private final DocumentBlockParser documentBlockParser;
-    private final LinkReferenceDefinitions definitions = new LinkReferenceDefinitions();
+    private final DefinitionMap<LinkReferenceDefinition> linkReferenceDefinitions = new DefinitionMap<>();
 
     private final List<OpenBlockParser> openBlockParsers = new ArrayList<>();
     private final List<BlockParser> allBlockParsers = new ArrayList<>();
@@ -472,11 +475,14 @@ private void finalize(BlockParser blockParser) {
     }
 
     private void addDefinitionsFrom(ParagraphParser paragraphParser) {
+        // TODO: Generalize this allow block parsers to add definitions by their types.
+        //  We'll keep a map for each type, e.g. one for LinkReferenceDefinition, one for FootnoteDefinition, etc :)
+        //  The context then allows lookup with the type and label
         for (LinkReferenceDefinition definition : paragraphParser.getDefinitions()) {
             // Add nodes into document before paragraph.
             paragraphParser.getBlock().insertBefore(definition);
 
-            definitions.add(definition);
+            linkReferenceDefinitions.putIfAbsent(definition.getLabel(), definition);
         }
     }
 
@@ -484,7 +490,7 @@ private void addDefinitionsFrom(ParagraphParser paragraphParser) {
      * Walk through a block & children recursively, parsing string content into inline content where appropriate.
      */
     private void processInlines() {
-        var context = new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, bracketProcessors, definitions);
+        var context = new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, bracketProcessors, linkReferenceDefinitions);
         var inlineParser = inlineParserFactory.create(context);
 
         for (var blockParser : allBlockParsers) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
index d7bf8d16b..ef99c0c9c 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
@@ -1,5 +1,6 @@
 package org.commonmark.internal;
 
+import org.commonmark.node.DefinitionMap;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.beta.BracketProcessor;
@@ -13,12 +14,12 @@ public class InlineParserContextImpl implements InlineParserContext {
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
     private final List<BracketProcessor> bracketProcessors;
-    private final LinkReferenceDefinitions linkReferenceDefinitions;
+    private final DefinitionMap<LinkReferenceDefinition> linkReferenceDefinitions;
 
     public InlineParserContextImpl(List<InlineContentParserFactory> inlineContentParserFactories,
                                    List<DelimiterProcessor> delimiterProcessors,
                                    List<BracketProcessor> bracketProcessors,
-                                   LinkReferenceDefinitions linkReferenceDefinitions) {
+                                   DefinitionMap<LinkReferenceDefinition> linkReferenceDefinitions) {
         this.inlineContentParserFactories = inlineContentParserFactories;
         this.delimiterProcessors = delimiterProcessors;
         this.bracketProcessors = bracketProcessors;
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitions.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitions.java
deleted file mode 100644
index 8fbdb982a..000000000
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitions.java
+++ /dev/null
@@ -1,27 +0,0 @@
-package org.commonmark.internal;
-
-import org.commonmark.internal.util.Escaping;
-import org.commonmark.node.LinkReferenceDefinition;
-
-import java.util.LinkedHashMap;
-import java.util.Map;
-
-public class LinkReferenceDefinitions {
-
-    // LinkedHashMap for determinism and to preserve document order
-    private final Map<String, LinkReferenceDefinition> definitions = new LinkedHashMap<>();
-
-    public void add(LinkReferenceDefinition definition) {
-        String normalizedLabel = Escaping.normalizeLabelContent(definition.getLabel());
-
-        // spec: When there are multiple matching link reference definitions, the first is used
-        if (!definitions.containsKey(normalizedLabel)) {
-            definitions.put(normalizedLabel, definition);
-        }
-    }
-
-    public LinkReferenceDefinition get(String label) {
-        String normalizedLabel = Escaping.normalizeLabelContent(label);
-        return definitions.get(normalizedLabel);
-    }
-}
diff --git a/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java b/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java
new file mode 100644
index 000000000..bc0c0b221
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java
@@ -0,0 +1,38 @@
+package org.commonmark.node;
+
+import org.commonmark.internal.util.Escaping;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+/**
+ * A map that can be used to store and lookup reference definitions by a label. The labels are case-insensitive and
+ * normalized, the same way as for {@link LinkReferenceDefinition} nodes.
+ *
+ * @param <V> the type of value
+ */
+public class DefinitionMap<V> {
+
+    // LinkedHashMap for determinism and to preserve document order
+    private final Map<String, V> definitions = new LinkedHashMap<>();
+
+    /**
+     * Store a new definition unless one is already in the map.
+     */
+    public void putIfAbsent(String label, V definition) {
+        String normalizedLabel = Escaping.normalizeLabelContent(label);
+
+        // spec: When there are multiple matching link reference definitions, the first is used
+        definitions.putIfAbsent(normalizedLabel, definition);
+    }
+
+    /**
+     * Lookup a definition by normalized label.
+     *
+     * @return the value or null
+     */
+    public V get(String label) {
+        String normalizedLabel = Escaping.normalizeLabelContent(label);
+        return definitions.get(normalizedLabel);
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index dc91f5dc3..6a626b2bc 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -4,7 +4,6 @@
 import org.commonmark.internal.DocumentParser;
 import org.commonmark.internal.InlineParserContextImpl;
 import org.commonmark.internal.InlineParserImpl;
-import org.commonmark.internal.LinkReferenceDefinitions;
 import org.commonmark.node.*;
 import org.commonmark.parser.beta.BracketProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
@@ -50,7 +49,7 @@ private Parser(Builder builder) {
         // Try to construct an inline parser. Invalid configuration might result in an exception, which we want to
         // detect as soon as possible.
         var context = new InlineParserContextImpl(
-                inlineContentParserFactories, delimiterProcessors, bracketProcessors, new LinkReferenceDefinitions());
+                inlineContentParserFactories, delimiterProcessors, bracketProcessors, new DefinitionMap<>());
         this.inlineParserFactory.create(context);
     }
 

From 4c2f72948f261fd52c81b20b34145f9740362156 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 25 May 2024 22:39:51 +1000
Subject: [PATCH 293/450] Allow BlockParsers to return definitions (for lookup
 during inline parsing)

---
 .../internal/FootnoteBlockParser.java         | 10 +++++
 .../internal/FootnoteBracketProcessor.java    | 14 +++---
 .../ext/footnotes/FootnotesTest.java          |  6 +++
 .../org/commonmark/internal/Definitions.java  | 33 ++++++++++++++
 .../commonmark/internal/DocumentParser.java   | 45 ++++++++-----------
 .../internal/InlineParserContextImpl.java     | 14 +++---
 .../LinkReferenceDefinitionParser.java        |  1 +
 .../commonmark/internal/ParagraphParser.java  | 23 ++++++----
 .../internal/inline/CoreBracketProcessor.java |  3 +-
 .../org/commonmark/node/DefinitionMap.java    | 30 ++++++++++---
 .../parser/InlineParserContext.java           | 15 ++++++-
 .../java/org/commonmark/parser/Parser.java    |  3 +-
 .../parser/block/AbstractBlockParser.java     |  8 ++++
 .../commonmark/parser/block/BlockParser.java  |  9 ++++
 .../test/InlineParserContextTest.java         |  7 ++-
 15 files changed, 166 insertions(+), 55 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/Definitions.java

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
index a0c1ea181..55ca86993 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
@@ -2,8 +2,11 @@
 
 import org.commonmark.ext.footnotes.FootnoteDefinition;
 import org.commonmark.node.Block;
+import org.commonmark.node.DefinitionMap;
 import org.commonmark.parser.block.*;
 
+import java.util.List;
+
 public class FootnoteBlockParser extends AbstractBlockParser {
 
     private final FootnoteDefinition block;
@@ -40,6 +43,13 @@ public BlockContinue tryContinue(ParserState parserState) {
         }
     }
 
+    @Override
+    public List<DefinitionMap<?>> getDefinitions() {
+        var map = new DefinitionMap<>(FootnoteDefinition.class);
+        map.putIfAbsent(block.getLabel(), block);
+        return List.of(map);
+    }
+
     public static class Factory implements BlockParserFactory {
 
         @Override
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
index 6fa4ac3ee..75f98b0bf 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
@@ -1,5 +1,6 @@
 package org.commonmark.ext.footnotes.internal;
 
+import org.commonmark.ext.footnotes.FootnoteDefinition;
 import org.commonmark.ext.footnotes.FootnoteReference;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.beta.BracketInfo;
@@ -13,13 +14,14 @@ public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlinePar
         // TODO: Does parsing need to be more strict here?
         var text = bracketInfo.text();
         if (text.startsWith("^")) {
-            // TODO: Do we need to check if a definition exists before doing this? (That would be the same as reference
-            //  links.)
-
-            // For footnotes, we only ever consume the text part of the link, not the label part (if any).
-            var position = bracketInfo.afterTextBracket();
             var label = text.substring(1);
-            return BracketResult.replaceWith(new FootnoteReference(label), position);
+            // Check if we have a definition, otherwise ignore (same behavior as for link reference definitions)
+            var def = context.getDefinition(FootnoteDefinition.class, label);
+            if (def != null) {
+                // For footnotes, we only ever consume the text part of the link, not the label part (if any).
+                var position = bracketInfo.afterTextBracket();
+                return BracketResult.replaceWith(new FootnoteReference(label), position);
+            }
         }
         return BracketResult.none();
     }
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index d9e44b5c4..51b722701 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -114,6 +114,12 @@ public void testReference() {
         assertEquals("foo", ref.getLabel());
     }
 
+    @Test
+    public void testReferenceNoDefinition() {
+        var doc = PARSER.parse("Test [^foo]\n");
+        assertNull(tryFind(doc, FootnoteReference.class));
+    }
+
     // Interesting test cases:
 
     // Test [foo][^bar]
diff --git a/commonmark/src/main/java/org/commonmark/internal/Definitions.java b/commonmark/src/main/java/org/commonmark/internal/Definitions.java
new file mode 100644
index 000000000..0377842c9
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/Definitions.java
@@ -0,0 +1,33 @@
+package org.commonmark.internal;
+
+import org.commonmark.node.DefinitionMap;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Definitions {
+
+    private final Map<Class<?>, DefinitionMap<?>> definitionsByType = new HashMap<>();
+
+    public <D> void addDefinitions(DefinitionMap<D> definitionMap) {
+        var existingMap = getMap(definitionMap.getType());
+        if (existingMap == null) {
+            definitionsByType.put(definitionMap.getType(), definitionMap);
+        } else {
+            existingMap.addAll(definitionMap);
+        }
+    }
+
+    public <V> V getDefinition(Class<V> type, String label) {
+        var definitionMap = getMap(type);
+        if (definitionMap == null) {
+            return null;
+        }
+        return definitionMap.get(label);
+    }
+
+    private <V> DefinitionMap<V> getMap(Class<V> type) {
+        //noinspection unchecked
+        return (DefinitionMap<V>) definitionsByType.get(type);
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index af0cb16b7..cff40486b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -76,7 +76,7 @@ public class DocumentParser implements ParserState {
     private final List<BracketProcessor> bracketProcessors;
     private final IncludeSourceSpans includeSourceSpans;
     private final DocumentBlockParser documentBlockParser;
-    private final DefinitionMap<LinkReferenceDefinition> linkReferenceDefinitions = new DefinitionMap<>();
+    private final Definitions definitions = new Definitions();
 
     private final List<OpenBlockParser> openBlockParsers = new ArrayList<>();
     private final List<BlockParser> allBlockParsers = new ArrayList<>();
@@ -462,35 +462,11 @@ private BlockStartImpl findBlockStart(BlockParser blockParser) {
         return null;
     }
 
-    /**
-     * Finalize a block. Close it and do any necessary postprocessing, e.g. setting the content of blocks and
-     * collecting link reference definitions from paragraphs.
-     */
-    private void finalize(BlockParser blockParser) {
-        if (blockParser instanceof ParagraphParser) {
-            addDefinitionsFrom((ParagraphParser) blockParser);
-        }
-
-        blockParser.closeBlock();
-    }
-
-    private void addDefinitionsFrom(ParagraphParser paragraphParser) {
-        // TODO: Generalize this allow block parsers to add definitions by their types.
-        //  We'll keep a map for each type, e.g. one for LinkReferenceDefinition, one for FootnoteDefinition, etc :)
-        //  The context then allows lookup with the type and label
-        for (LinkReferenceDefinition definition : paragraphParser.getDefinitions()) {
-            // Add nodes into document before paragraph.
-            paragraphParser.getBlock().insertBefore(definition);
-
-            linkReferenceDefinitions.putIfAbsent(definition.getLabel(), definition);
-        }
-    }
-
     /**
      * Walk through a block & children recursively, parsing string content into inline content where appropriate.
      */
     private void processInlines() {
-        var context = new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, bracketProcessors, linkReferenceDefinitions);
+        var context = new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, bracketProcessors, definitions);
         var inlineParser = inlineParserFactory.create(context);
 
         for (var blockParser : allBlockParsers) {
@@ -529,7 +505,7 @@ private Block prepareActiveBlockParserForReplacement() {
             // block parser got the current paragraph content using MatchedBlockParser#getContentString. In case the
             // paragraph started with link reference definitions, we parse and strip them before the block parser gets
             // the content. We want to keep them.
-            // If no replacement happens, we collect the definitions as part of finalizing paragraph blocks.
+            // If no replacement happens, we collect the definitions as part of finalizing blocks.
             addDefinitionsFrom(paragraphParser);
         }
 
@@ -556,6 +532,21 @@ private void closeBlockParsers(int count) {
         }
     }
 
+    /**
+     * Finalize a block. Close it and do any necessary postprocessing, e.g. setting the content of blocks and
+     * collecting link reference definitions from paragraphs.
+     */
+    private void finalize(BlockParser blockParser) {
+        addDefinitionsFrom(blockParser);
+        blockParser.closeBlock();
+    }
+
+    private void addDefinitionsFrom(BlockParser blockParser) {
+        for (var definitionMap : blockParser.getDefinitions()) {
+            definitions.addDefinitions(definitionMap);
+        }
+    }
+
     /**
      * Prepares the input line replacing {@code \0}
      */
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
index ef99c0c9c..79fe2a56a 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
@@ -1,6 +1,5 @@
 package org.commonmark.internal;
 
-import org.commonmark.node.DefinitionMap;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.beta.BracketProcessor;
@@ -14,16 +13,16 @@ public class InlineParserContextImpl implements InlineParserContext {
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
     private final List<BracketProcessor> bracketProcessors;
-    private final DefinitionMap<LinkReferenceDefinition> linkReferenceDefinitions;
+    private final Definitions definitions;
 
     public InlineParserContextImpl(List<InlineContentParserFactory> inlineContentParserFactories,
                                    List<DelimiterProcessor> delimiterProcessors,
                                    List<BracketProcessor> bracketProcessors,
-                                   DefinitionMap<LinkReferenceDefinition> linkReferenceDefinitions) {
+                                   Definitions definitions) {
         this.inlineContentParserFactories = inlineContentParserFactories;
         this.delimiterProcessors = delimiterProcessors;
         this.bracketProcessors = bracketProcessors;
-        this.linkReferenceDefinitions = linkReferenceDefinitions;
+        this.definitions = definitions;
     }
 
     @Override
@@ -43,6 +42,11 @@ public List<BracketProcessor> getCustomBracketProcessors() {
 
     @Override
     public LinkReferenceDefinition getLinkReferenceDefinition(String label) {
-        return linkReferenceDefinitions.get(label);
+        return definitions.getDefinition(LinkReferenceDefinition.class, label);
+    }
+
+    @Override
+    public <D> D getDefinition(Class<D> type, String label) {
+        return definitions.getDefinition(type, label);
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index b58e669ef..070f29ceb 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.internal.util.Escaping;
 import org.commonmark.internal.util.LinkScanner;
+import org.commonmark.node.DefinitionMap;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.SourceLine;
diff --git a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
index 89328ef2a..18808d499 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
@@ -1,9 +1,6 @@
 package org.commonmark.internal;
 
-import org.commonmark.node.Block;
-import org.commonmark.node.LinkReferenceDefinition;
-import org.commonmark.node.Paragraph;
-import org.commonmark.node.SourceSpan;
+import org.commonmark.node.*;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.SourceLines;
@@ -12,6 +9,7 @@
 import org.commonmark.parser.block.ParserState;
 
 import java.util.List;
+import java.util.Map;
 
 public class ParagraphParser extends AbstractBlockParser {
 
@@ -49,8 +47,21 @@ public void addSourceSpan(SourceSpan sourceSpan) {
         linkReferenceDefinitionParser.addSourceSpan(sourceSpan);
     }
 
+    @Override
+    public List<DefinitionMap<?>> getDefinitions() {
+        var map = new DefinitionMap<>(LinkReferenceDefinition.class);
+        for (var def : linkReferenceDefinitionParser.getDefinitions()) {
+            map.putIfAbsent(def.getLabel(), def);
+        }
+        return List.of(map);
+    }
+
     @Override
     public void closeBlock() {
+        for (var def : linkReferenceDefinitionParser.getDefinitions()) {
+            block.insertBefore(def);
+        }
+
         if (linkReferenceDefinitionParser.getParagraphLines().isEmpty()) {
             block.unlink();
         } else {
@@ -69,8 +80,4 @@ public void parseInlines(InlineParser inlineParser) {
     public SourceLines getParagraphLines() {
         return linkReferenceDefinitionParser.getParagraphLines();
     }
-
-    public List<LinkReferenceDefinition> getDefinitions() {
-        return linkReferenceDefinitionParser.getDefinitions();
-    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java b/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
index f208f76e2..ce5fc27af 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.node.Image;
 import org.commonmark.node.Link;
+import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.beta.BracketInfo;
 import org.commonmark.parser.beta.BracketProcessor;
@@ -14,7 +15,7 @@ public class CoreBracketProcessor implements BracketProcessor {
     public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlineParserContext context) {
         var label = bracketInfo.label();
         var ref = label != null && !label.isEmpty() ? label : bracketInfo.text();
-        var def = context.getLinkReferenceDefinition(ref);
+        var def = context.getDefinition(LinkReferenceDefinition.class, ref);
         if (def != null) {
             if (bracketInfo.openerType() == BracketInfo.OpenerType.IMAGE) {
                 return BracketResult.wrapTextIn(new Image(def.getDestination(), def.getTitle()), scanner.position());
diff --git a/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java b/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java
index bc0c0b221..82f553ff1 100644
--- a/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java
+++ b/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.internal.util.Escaping;
 
+import java.util.Collection;
 import java.util.LinkedHashMap;
 import java.util.Map;
 
@@ -9,17 +10,32 @@
  * A map that can be used to store and lookup reference definitions by a label. The labels are case-insensitive and
  * normalized, the same way as for {@link LinkReferenceDefinition} nodes.
  *
- * @param <V> the type of value
+ * @param <D> the type of value
  */
-public class DefinitionMap<V> {
+public class DefinitionMap<D> {
 
+    private final Class<D> type;
     // LinkedHashMap for determinism and to preserve document order
-    private final Map<String, V> definitions = new LinkedHashMap<>();
+    private final Map<String, D> definitions = new LinkedHashMap<>();
+
+    public DefinitionMap(Class<D> type) {
+        this.type = type;
+    }
+
+    public Class<D> getType() {
+        return type;
+    }
+
+    public void addAll(DefinitionMap<D> that) {
+        for (var entry : that.definitions.entrySet()) {
+            definitions.putIfAbsent(entry.getKey(), entry.getValue());
+        }
+    }
 
     /**
      * Store a new definition unless one is already in the map.
      */
-    public void putIfAbsent(String label, V definition) {
+    public void putIfAbsent(String label, D definition) {
         String normalizedLabel = Escaping.normalizeLabelContent(label);
 
         // spec: When there are multiple matching link reference definitions, the first is used
@@ -31,8 +47,12 @@ public void putIfAbsent(String label, V definition) {
      *
      * @return the value or null
      */
-    public V get(String label) {
+    public D get(String label) {
         String normalizedLabel = Escaping.normalizeLabelContent(label);
         return definitions.get(normalizedLabel);
     }
+
+    public Collection<D> values() {
+        return definitions.values();
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
index 6c3c9cbc6..4a2951e70 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
@@ -32,10 +32,23 @@ public interface InlineParserContext {
     /**
      * Look up a {@link LinkReferenceDefinition} for a given label.
      * <p>
-     * Note that the label is not normalized yet; implementations are responsible for normalizing before lookup.
+     * Note that the passed in label does not need to be normalized; implementations are responsible for doing the
+     * normalization before lookup.
      *
      * @param label the link label to look up
      * @return the definition if one exists, {@code null} otherwise
+     * @deprecated use {@link #getDefinition} with {@link LinkReferenceDefinition} instead
      */
+    @Deprecated
     LinkReferenceDefinition getLinkReferenceDefinition(String label);
+
+    /**
+     * Look up a definition of a type for a given label.
+     * <p>
+     * Note that the passed in label does not need to be normalized; implementations are responsible for doing the
+     * normalization before lookup.
+     *
+     * @return the definition if one exists, null otherwise
+     */
+    <D> D getDefinition(Class<D> type, String label);
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 6a626b2bc..e09d45da3 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -1,6 +1,7 @@
 package org.commonmark.parser;
 
 import org.commonmark.Extension;
+import org.commonmark.internal.Definitions;
 import org.commonmark.internal.DocumentParser;
 import org.commonmark.internal.InlineParserContextImpl;
 import org.commonmark.internal.InlineParserImpl;
@@ -49,7 +50,7 @@ private Parser(Builder builder) {
         // Try to construct an inline parser. Invalid configuration might result in an exception, which we want to
         // detect as soon as possible.
         var context = new InlineParserContextImpl(
-                inlineContentParserFactories, delimiterProcessors, bracketProcessors, new DefinitionMap<>());
+                inlineContentParserFactories, delimiterProcessors, bracketProcessors, new Definitions());
         this.inlineParserFactory.create(context);
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
index 3d4cbb77b..4fb1a05ac 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/AbstractBlockParser.java
@@ -1,10 +1,13 @@
 package org.commonmark.parser.block;
 
 import org.commonmark.node.Block;
+import org.commonmark.node.DefinitionMap;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.SourceLine;
 
+import java.util.List;
+
 public abstract class AbstractBlockParser implements BlockParser {
 
     @Override
@@ -31,6 +34,11 @@ public void addSourceSpan(SourceSpan sourceSpan) {
         getBlock().addSourceSpan(sourceSpan);
     }
 
+    @Override
+    public List<DefinitionMap<?>> getDefinitions() {
+        return List.of();
+    }
+
     @Override
     public void closeBlock() {
     }
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
index addd90d1a..32ff2a474 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/BlockParser.java
@@ -1,10 +1,13 @@
 package org.commonmark.parser.block;
 
 import org.commonmark.node.Block;
+import org.commonmark.node.DefinitionMap;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.InlineParser;
 import org.commonmark.parser.SourceLine;
 
+import java.util.List;
+
 /**
  * Parser for a specific block node.
  * <p>
@@ -49,6 +52,12 @@ public interface BlockParser {
      */
     void addSourceSpan(SourceSpan sourceSpan);
 
+    /**
+     * Return definitions parsed by this parser. The definitions returned here can later be accessed during inline
+     * parsing via {@link org.commonmark.parser.InlineParserContext#getDefinition}.
+     */
+    List<DefinitionMap<?>> getDefinitions();
+
     void closeBlock();
 
     void parseInlines(InlineParser inlineParser);
diff --git a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
index c9aa50dc2..07b94c076 100644
--- a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
@@ -59,8 +59,13 @@ public List<BracketProcessor> getCustomBracketProcessors() {
 
                 @Override
                 public LinkReferenceDefinition getLinkReferenceDefinition(String label) {
+                    return getDefinition(LinkReferenceDefinition.class, label);
+                }
+
+                @Override
+                public <D> D getDefinition(Class<D> type, String label) {
                     lookups.add(label);
-                    return inlineParserContext.getLinkReferenceDefinition(label);
+                    return inlineParserContext.getDefinition(type, label);
                 }
             };
 

From 016eea816361925df9713be685c6b95f51ab70f7 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 26 May 2024 22:02:24 +1000
Subject: [PATCH 294/450] Fix replace mode

---
 .../org/commonmark/ext/footnotes/FootnotesTest.java | 13 +++++++++++++
 .../org/commonmark/internal/InlineParserImpl.java   |  5 ++++-
 .../org/commonmark/parser/beta/BracketResult.java   |  2 +-
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 51b722701..e8a6db6dc 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -120,6 +120,19 @@ public void testReferenceNoDefinition() {
         assertNull(tryFind(doc, FootnoteReference.class));
     }
 
+    @Test
+    public void testRefWithEmphasis() {
+        var doc = PARSER.parse("Test [^*foo*]\n\n[^*foo*]: def");
+        var ref = find(doc, FootnoteReference.class);
+        assertEquals("*foo*", ref.getLabel());
+        assertNull(ref.getFirstChild());
+        var paragraph = doc.getFirstChild();
+        var text = (Text) paragraph.getFirstChild();
+        assertEquals("Test ", text.getLiteral());
+        assertEquals(ref, text.getNext());
+        assertEquals(ref, paragraph.getLastChild());
+    }
+
     // Interesting test cases:
 
     // Test [foo][^bar]
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 6e4ad9c61..f3a68a947 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -426,8 +426,11 @@ public Position afterTextBracket() {
 
                     // TODO: startFromBracket needs to split the opening node.. Maybe we should just keep ! and [
                     //  as separate nodes in Bracket
-                    for (Node n = opener.node; n != null; n = n.getNext()) {
+                    Node n = opener.node;
+                    while (n != null) {
+                        var next = n.getNext();
                         n.unlink();
+                        n = next;
                     }
                     return node;
             }
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java b/commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java
index 6a3a23cef..e9571391b 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java
@@ -13,7 +13,7 @@ static BracketResult wrapTextIn(Node node, Position position) {
     }
 
     static BracketResult replaceWith(Node node, Position position) {
-        return new BracketResultImpl(BracketResultImpl.Type.WRAP, node, position);
+        return new BracketResultImpl(BracketResultImpl.Type.REPLACE, node, position);
     }
 
     BracketResult startFromBracket();

From 0606f051f0155d503e8a6535d5c41756ffb050a8 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 1 Jun 2024 11:44:35 +1000
Subject: [PATCH 295/450] Implement startFromBracket

---
 .../internal/FootnoteBracketProcessor.java    |  3 +-
 .../ext/footnotes/FootnotesTest.java          | 12 +++++-
 .../java/org/commonmark/internal/Bracket.java | 35 ++++++++++++-----
 .../commonmark/internal/InlineParserImpl.java | 39 ++++++++++---------
 .../internal/inline/BracketResultImpl.java    |  1 -
 5 files changed, 59 insertions(+), 31 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
index 75f98b0bf..d2fa434ac 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
@@ -20,7 +20,8 @@ public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlinePar
             if (def != null) {
                 // For footnotes, we only ever consume the text part of the link, not the label part (if any).
                 var position = bracketInfo.afterTextBracket();
-                return BracketResult.replaceWith(new FootnoteReference(label), position);
+                // If the marker is `![`, we don't want to include the `!`, so start from bracket
+                return BracketResult.replaceWith(new FootnoteReference(label), position).startFromBracket();
             }
         }
         return BracketResult.none();
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index e8a6db6dc..fbe5b3c69 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -122,7 +122,7 @@ public void testReferenceNoDefinition() {
 
     @Test
     public void testRefWithEmphasis() {
-        var doc = PARSER.parse("Test [^*foo*]\n\n[^*foo*]: def");
+        var doc = PARSER.parse("Test [^*foo*]\n\n[^*foo*]: def\n");
         var ref = find(doc, FootnoteReference.class);
         assertEquals("*foo*", ref.getLabel());
         assertNull(ref.getFirstChild());
@@ -133,6 +133,16 @@ public void testRefWithEmphasis() {
         assertEquals(ref, paragraph.getLastChild());
     }
 
+    @Test
+    public void testRefAfterBang() {
+        var doc = PARSER.parse("Test![^foo]\n\n[^foo]: def\n");
+        var ref = find(doc, FootnoteReference.class);
+        assertEquals("foo", ref.getLabel());
+        var paragraph = doc.getFirstChild();
+        var text = (Text) paragraph.getFirstChild();
+        assertEquals("Test!", text.getLiteral());
+    }
+
     // Interesting test cases:
 
     // Test [foo][^bar]
diff --git a/commonmark/src/main/java/org/commonmark/internal/Bracket.java b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
index 2a91b877e..c2e14f4f1 100644
--- a/commonmark/src/main/java/org/commonmark/internal/Bracket.java
+++ b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
@@ -8,12 +8,25 @@
  */
 public class Bracket {
 
-    public final Text node;
+    /**
+     * The node of {@code !} if present, null otherwise.
+     */
+    public final Text bangNode;
+
+    /**
+     * The position of {@code !} if present, null otherwise.
+     */
+    public final Position bangPosition;
+
+    /**
+     * The node of {@code [}.
+     */
+    public final Text bracketNode;
 
     /**
-     * The position of the marker for the bracket (<code>[</code> or <code>![</code>)
+     * The position of {@code [}.
      */
-    public final Position markerPosition;
+    public final Position bracketPosition;
 
     /**
      * The position of the content (after the opening bracket)
@@ -45,17 +58,19 @@ public class Bracket {
      */
     public boolean bracketAfter = false;
 
-    static public Bracket link(Text node, Position markerPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
-        return new Bracket(node, markerPosition, contentPosition, previous, previousDelimiter, false);
+    static public Bracket link(Text bracketNode, Position bracketPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
+        return new Bracket(null, null, bracketNode, bracketPosition, contentPosition, previous, previousDelimiter, false);
     }
 
-    static public Bracket image(Text node, Position markerPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
-        return new Bracket(node, markerPosition, contentPosition, previous, previousDelimiter, true);
+    static public Bracket image(Text bangNode, Position bangPosition, Text bracketNode, Position bracketPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
+        return new Bracket(bangNode, bangPosition, bracketNode, bracketPosition, contentPosition, previous, previousDelimiter, true);
     }
 
-    private Bracket(Text node, Position markerPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter, boolean image) {
-        this.node = node;
-        this.markerPosition = markerPosition;
+    private Bracket(Text bangNode, Position bangPosition, Text bracketNode, Position bracketPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter, boolean image) {
+        this.bangNode = bangNode;
+        this.bangPosition = bangPosition;
+        this.bracketNode = bracketNode;
+        this.bracketPosition = bracketPosition;
         this.contentPosition = contentPosition;
         this.image = image;
         this.previous = previous;
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index f3a68a947..cf77f94aa 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -186,7 +186,7 @@ private List<? extends Node> parseInline() {
             case '[':
                 return List.of(parseOpenBracket());
             case '!':
-                return List.of(parseBang());
+                return parseBang();
             case ']':
                 return List.of(parseCloseBracket());
             case '\n':
@@ -272,18 +272,20 @@ private Node parseOpenBracket() {
      * If next character is [, and ! delimiter to delimiter stack and add a text node to block's children.
      * Otherwise just add a text node.
      */
-    private Node parseBang() {
-        Position start = scanner.position();
+    private List<? extends Node> parseBang() {
+        var bangPosition = scanner.position();
         scanner.next();
+        var bracketPosition = scanner.position();
         if (scanner.next('[')) {
-            Position contentPosition = scanner.position();
-            Text node = text(scanner.getSource(start, contentPosition));
+            var contentPosition = scanner.position();
+            var bangNode = text(scanner.getSource(bangPosition, bracketPosition));
+            var bracketNode = text(scanner.getSource(bracketPosition, contentPosition));
 
             // Add entry to stack for this opener
-            addBracket(Bracket.image(node, start, contentPosition, lastBracket, lastDelimiter));
-            return node;
+            addBracket(Bracket.image(bangNode, bangPosition, bracketNode, bracketPosition, contentPosition, lastBracket, lastDelimiter));
+            return List.of(bangNode, bracketNode);
         } else {
-            return text(scanner.getSource(start, scanner.position()));
+            return List.of(text(scanner.getSource(bangPosition, scanner.position())));
         }
     }
 
@@ -337,7 +339,7 @@ private Node parseLinkOrImage(Bracket opener, Position beforeClose) {
             var linkOrImage = opener.image
                     ? new Image(destinationTitle.destination, destinationTitle.title)
                     : new Link(destinationTitle.destination, destinationTitle.title);
-            return processLinkOrImage(opener, linkOrImage);
+            return processLinkOrImage(opener, linkOrImage, false);
         }
         // Not an inline link/image, rewind back to after `]`.
         scanner.setPosition(afterClose);
@@ -412,8 +414,7 @@ public Position afterTextBracket() {
             switch (result.getType()) {
                 case WRAP:
                     scanner.setPosition(position);
-                    // TODO: startFromBracket
-                    return processLinkOrImage(opener, node);
+                    return processLinkOrImage(opener, node, startFromBracket);
                 case REPLACE:
                     scanner.setPosition(position);
 
@@ -424,9 +425,7 @@ public Position afterTextBracket() {
 
                     removeLastBracket();
 
-                    // TODO: startFromBracket needs to split the opening node.. Maybe we should just keep ! and [
-                    //  as separate nodes in Bracket
-                    Node n = opener.node;
+                    Node n = opener.bangNode == null || startFromBracket ? opener.bracketNode : opener.bangNode;
                     while (n != null) {
                         var next = n.getNext();
                         n.unlink();
@@ -439,9 +438,9 @@ public Position afterTextBracket() {
         return null;
     }
 
-    private Node processLinkOrImage(Bracket opener, Node linkOrImage) {
+    private Node processLinkOrImage(Bracket opener, Node linkOrImage, boolean startFromBracket) {
         // Add all nodes between the opening bracket and now (closing bracket) as child nodes of the link
-        Node node = opener.node.getNext();
+        Node node = opener.bracketNode.getNext();
         while (node != null) {
             Node next = node.getNext();
             linkOrImage.appendChild(node);
@@ -449,14 +448,18 @@ private Node processLinkOrImage(Bracket opener, Node linkOrImage) {
         }
 
         if (includeSourceSpans) {
-            linkOrImage.setSourceSpans(scanner.getSource(opener.markerPosition, scanner.position()).getSourceSpans());
+            var startPosition = opener.bangPosition == null || startFromBracket ? opener.bracketPosition : opener.bangPosition;
+            linkOrImage.setSourceSpans(scanner.getSource(startPosition, scanner.position()).getSourceSpans());
         }
 
         // Process delimiters such as emphasis inside link/image
         processDelimiters(opener.previousDelimiter);
         mergeChildTextNodes(linkOrImage);
         // We don't need the corresponding text node anymore, we turned it into a link/image node
-        opener.node.unlink();
+        if (opener.bangNode != null && !startFromBracket) {
+            opener.bangNode.unlink();
+        }
+        opener.bracketNode.unlink();
         removeLastBracket();
 
         // Links within links are not allowed. We found this link, so there can be no other link around it.
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BracketResultImpl.java b/commonmark/src/main/java/org/commonmark/internal/inline/BracketResultImpl.java
index 1ae450c9f..5a0f18515 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BracketResultImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/BracketResultImpl.java
@@ -1,6 +1,5 @@
 package org.commonmark.internal.inline;
 
-import org.commonmark.internal.InlineParserImpl;
 import org.commonmark.node.Node;
 import org.commonmark.parser.beta.BracketResult;
 import org.commonmark.parser.beta.Position;

From aa90ab01b81a3c4f9dc10df526be2e919b74a004 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 1 Jun 2024 16:41:35 +1000
Subject: [PATCH 296/450] More test cases

---
 .../ext/footnotes/FootnotesTest.java          | 101 +++++++++---------
 1 file changed, 53 insertions(+), 48 deletions(-)

diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index fbe5b3c69..570b39544 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -68,8 +68,7 @@ public void testDefContainsParagraph() {
         var doc = PARSER.parse("[^1]: footnote\n");
         var def = find(doc, FootnoteDefinition.class);
         var paragraph = (Paragraph) def.getFirstChild();
-        var text = (Text) paragraph.getFirstChild();
-        assertEquals("footnote", text.getLiteral());
+        assertText("footnote", paragraph.getFirstChild());
     }
 
     @Test
@@ -78,10 +77,8 @@ public void testDefContainsMultipleLines() {
         var def = find(doc, FootnoteDefinition.class);
         assertEquals("1", def.getLabel());
         var paragraph = (Paragraph) def.getFirstChild();
-        var text1 = (Text) paragraph.getFirstChild();
-        var text2 = (Text) paragraph.getLastChild();
-        assertEquals("footnote", text1.getLiteral());
-        assertEquals("still", text2.getLiteral());
+        assertText("footnote", paragraph.getFirstChild());
+        assertText("still", paragraph.getLastChild());
     }
 
     @Test
@@ -92,10 +89,8 @@ public void testDefContainsList() {
         var list = (BulletList) def.getFirstChild();
         var item1 = (ListItem) list.getFirstChild();
         var item2 = (ListItem) list.getLastChild();
-        var text1 = (Text) item1.getFirstChild().getFirstChild();
-        var text2 = (Text) item2.getFirstChild().getFirstChild();
-        assertEquals("foo", text1.getLiteral());
-        assertEquals("bar", text2.getLiteral());
+        assertText("foo", item1.getFirstChild().getFirstChild());
+        assertText("bar", item2.getFirstChild().getFirstChild());
     }
 
     @Test
@@ -104,7 +99,7 @@ public void testDefInterruptedByOthers() {
         var def = find(doc, FootnoteDefinition.class);
         var heading = find(doc, Heading.class);
         assertEquals("1", def.getLabel());
-        assertEquals("Heading", ((Text) heading.getFirstChild()).getLiteral());
+        assertText("Heading", heading.getFirstChild());
     }
 
     @Test
@@ -121,7 +116,8 @@ public void testReferenceNoDefinition() {
     }
 
     @Test
-    public void testRefWithEmphasis() {
+    public void testRefWithEmphasisInside() {
+        // No emphasis inside footnote reference, should just be treated as text
         var doc = PARSER.parse("Test [^*foo*]\n\n[^*foo*]: def\n");
         var ref = find(doc, FootnoteReference.class);
         assertEquals("*foo*", ref.getLabel());
@@ -133,47 +129,57 @@ public void testRefWithEmphasis() {
         assertEquals(ref, paragraph.getLastChild());
     }
 
+    @Test
+    public void testRefWithEmphasisAround() {
+        // Emphasis around footnote reference, the * inside needs to be removed from emphasis processing
+        var doc = PARSER.parse("Test *abc [^foo*] def*\n\n[^foo*]: def\n");
+        var ref = find(doc, FootnoteReference.class);
+        assertEquals("foo*", ref.getLabel());
+        assertText("abc ", ref.getPrevious());
+        assertText(" def", ref.getNext());
+        var em = find(doc, Emphasis.class);
+        assertEquals(em, ref.getParent());
+    }
+
     @Test
     public void testRefAfterBang() {
         var doc = PARSER.parse("Test![^foo]\n\n[^foo]: def\n");
         var ref = find(doc, FootnoteReference.class);
         assertEquals("foo", ref.getLabel());
         var paragraph = doc.getFirstChild();
-        var text = (Text) paragraph.getFirstChild();
-        assertEquals("Test!", text.getLiteral());
+        assertText("Test!", paragraph.getFirstChild());
     }
 
-    // Interesting test cases:
-
-    // Test [foo][^bar]
-    //
-    // [^bar]: footnote
-    //
-    // -> [^bar] is a footnote but [foo] is just text, because full reference links don't resolve as footnotes
-
-    // Test [^bar][]
-    //
-    // [^bar]: footnote
-    //
-    // -> [^bar] is a footnote but [] is just text, because collapsed reference links don't resolve as footnotes
+    @Test
+    public void testRefAsLabelOnly() {
+        // [^bar] is a footnote but [foo] is just text, because full reference links (text `foo`, label `^bar`) don't
+        // resolve as footnotes. If `[foo][^bar]` fails to parse as a bracket, `[^bar]` by itself needs to be tried.
+        var doc = PARSER.parse("Test [foo][^bar]\n\n[^bar]: footnote\n");
+        var ref = find(doc, FootnoteReference.class);
+        assertEquals("bar", ref.getLabel());
+        var paragraph = doc.getFirstChild();
+        assertText("Test [foo]", paragraph.getFirstChild());
+    }
 
-    // Test [^f[oo]
-    //
-    // [^f[oo]: /url
-    //
-    // -> Not a footnote, [ needs to be escaped
+    @Test
+    public void testRefWithEmptyLabel() {
+        // [^bar] is a footnote but [] is just text, because collapsed reference links don't resolve as footnotes
+        var doc = PARSER.parse("Test [^bar][]\n\n[^bar]: footnote\n");
+        var ref = find(doc, FootnoteReference.class);
+        assertEquals("bar", ref.getLabel());
+        var paragraph = doc.getFirstChild();
+        assertText("Test ", paragraph.getFirstChild());
+        assertText("[]", paragraph.getLastChild());
+    }
 
-    // Test [^*foo*]
-    //
-    // [^*foo*]: /url
-    //
-    // -> No emphasis inside footnote reference
+    @Test
+    public void testRefWithBracket() {
+        // Not a footnote, [ needs to be escaped
+        var doc = PARSER.parse("Test [^f[oo]\n\n[^f[oo]: /url\n");
+        assertNull(tryFind(doc, FootnoteReference.class));
+    }
 
-    // Test *abc [^foo*] def*
-    //
-    // [^foo*]: /url
-    //
-    // -> Emphasis around footnote reference
+    // Interesting test cases:
 
     // Test [^*foo*][foo]
     //
@@ -187,12 +193,6 @@ public void testRefAfterBang() {
     //
     // [^*foo*]: /url
 
-    // Test ![^foo]
-    //
-    // [^foo]: note
-    //
-    // -> Not an image
-
     private static <T> T find(Node parent, Class<T> nodeClass) {
         return Objects.requireNonNull(tryFind(parent, nodeClass), "Could not find a " + nodeClass.getSimpleName() + " node in " + parent);
     }
@@ -212,4 +212,9 @@ private static <T> List<T> findAll(Node parent, Class<T> nodeClass) {
         }
         return nodes;
     }
+
+    private static void assertText(String expected, Node node) {
+        var text = (Text) node;
+        assertEquals(expected, text.getLiteral());
+    }
 }

From 947b1e549a17adac8f9485798396fb46e3f8a6ad Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 1 Jun 2024 17:02:16 +1000
Subject: [PATCH 297/450] Let full reference links override footnotes

---
 .../internal/FootnoteBracketProcessor.java    |  7 +++++
 .../ext/footnotes/FootnotesTest.java          | 31 +++++++++++--------
 2 files changed, 25 insertions(+), 13 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
index d2fa434ac..8f64a750a 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.ext.footnotes.FootnoteDefinition;
 import org.commonmark.ext.footnotes.FootnoteReference;
+import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.beta.BracketInfo;
 import org.commonmark.parser.beta.BracketProcessor;
@@ -14,6 +15,12 @@ public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlinePar
         // TODO: Does parsing need to be more strict here?
         var text = bracketInfo.text();
         if (text.startsWith("^")) {
+            if (bracketInfo.label() != null && context.getDefinition(LinkReferenceDefinition.class, bracketInfo.label()) != null) {
+                // If there's a label after the text and the label has a definition -> it's a link, and it should
+                // take preference.
+                return BracketResult.none();
+            }
+
             var label = text.substring(1);
             // Check if we have a definition, otherwise ignore (same behavior as for link reference definitions)
             var def = context.getDefinition(FootnoteDefinition.class, label);
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 570b39544..20ae6f5f6 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -179,19 +179,24 @@ public void testRefWithBracket() {
         assertNull(tryFind(doc, FootnoteReference.class));
     }
 
-    // Interesting test cases:
-
-    // Test [^*foo*][foo]
-    //
-    // [^*foo*]: /url
-    //
-    // [foo]: /url
-    //
-    // vs
-    //
-    // Test [^*foo*][foo]
-    //
-    // [^*foo*]: /url
+    @Test
+    public void testPreferReferenceLink() {
+        // This is tricky because `[^*foo*][foo]` is a valid link already. If `[foo]` was not defined, the first bracket
+        // would be a footnote.
+        var doc = PARSER.parse("Test [^*foo*][foo]\n\n[^*foo*]: /url\n\n[foo]: /url");
+        assertNull(tryFind(doc, FootnoteReference.class));
+    }
+
+    @Test
+    public void testReferenceLinkWithoutDefinition() {
+        // Similar to previous test but there's no definition
+        var doc = PARSER.parse("Test [^*foo*][foo]\n\n[^*foo*]: def\n");
+        var ref = find(doc, FootnoteReference.class);
+        assertEquals("*foo*", ref.getLabel());
+        var paragraph = (Paragraph) doc.getFirstChild();
+        assertText("Test ", paragraph.getFirstChild());
+        assertText("[foo]", paragraph.getLastChild());
+    }
 
     private static <T> T find(Node parent, Class<T> nodeClass) {
         return Objects.requireNonNull(tryFind(parent, nodeClass), "Could not find a " + nodeClass.getSimpleName() + " node in " + parent);

From 05621db39e58d99887499fcdf4d08e85c429460a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 15 Jun 2024 00:41:41 +1000
Subject: [PATCH 298/450] Footnotes: HTML and Markdown rendering

---
 .../ext/footnotes/FootnotesExtension.java     |  34 ++-
 .../internal/FootnoteHtmlNodeRenderer.java    | 219 ++++++++++++++++++
 .../FootnoteMarkdownNodeRenderer.java         |  71 ++++++
 .../footnotes/FootnoteHtmlRendererTest.java   | 130 +++++++++++
 .../FootnoteMarkdownRendererTest.java         |  43 ++++
 .../internal/renderer/NodeRendererMap.java    |  20 +-
 .../org/commonmark/node/DefinitionMap.java    |   7 +-
 .../org/commonmark/renderer/NodeRenderer.java |   6 +
 .../renderer/html/HtmlRenderer.java           |  20 +-
 .../commonmark/renderer/html/HtmlWriter.java  |  12 +-
 10 files changed, 542 insertions(+), 20 deletions(-)
 create mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
 create mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
 create mode 100644 commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
 create mode 100644 commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
index 60b72393a..1ec3b0f00 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
@@ -3,13 +3,23 @@
 import org.commonmark.Extension;
 import org.commonmark.ext.footnotes.internal.FootnoteBlockParser;
 import org.commonmark.ext.footnotes.internal.FootnoteBracketProcessor;
+import org.commonmark.ext.footnotes.internal.FootnoteHtmlNodeRenderer;
+import org.commonmark.ext.footnotes.internal.FootnoteMarkdownNodeRenderer;
 import org.commonmark.parser.Parser;
+import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererFactory;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
+
+import java.util.Set;
 
 /**
  * TODO
  */
-// TODO: HTML rendering and Markdown rendering
-public class FootnotesExtension implements Parser.ParserExtension {
+public class FootnotesExtension implements Parser.ParserExtension,
+        HtmlRenderer.HtmlRendererExtension,
+        MarkdownRenderer.MarkdownRendererExtension {
 
     private FootnotesExtension() {
     }
@@ -24,4 +34,24 @@ public void extend(Parser.Builder parserBuilder) {
                 .customBlockParserFactory(new FootnoteBlockParser.Factory())
                 .bracketProcessor(new FootnoteBracketProcessor());
     }
+
+    @Override
+    public void extend(HtmlRenderer.Builder rendererBuilder) {
+        rendererBuilder.nodeRendererFactory(FootnoteHtmlNodeRenderer::new);
+    }
+
+    @Override
+    public void extend(MarkdownRenderer.Builder rendererBuilder) {
+        rendererBuilder.nodeRendererFactory(new MarkdownNodeRendererFactory() {
+            @Override
+            public NodeRenderer create(MarkdownNodeRendererContext context) {
+                return new FootnoteMarkdownNodeRenderer(context);
+            }
+
+            @Override
+            public Set<Character> getSpecialCharacters() {
+                return Set.of();
+            }
+        });
+    }
 }
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
new file mode 100644
index 000000000..4f36d0732
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
@@ -0,0 +1,219 @@
+package org.commonmark.ext.footnotes.internal;
+
+import org.commonmark.ext.footnotes.FootnoteDefinition;
+import org.commonmark.ext.footnotes.FootnoteReference;
+import org.commonmark.node.*;
+import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.renderer.html.HtmlNodeRendererContext;
+import org.commonmark.renderer.html.HtmlWriter;
+
+import java.util.*;
+
+/**
+ * HTML rendering for footnotes.
+ * <p>
+ * Aims to match the rendering of cmark-gfm (which is slightly different from GitHub's when it comes to class
+ * attributes, not sure why).
+ * <p>
+ * Some notes on how rendering works:
+ * <ul>
+ * <li>Footnotes are numbered according to the order of references, starting at 1</li>
+ * <li>Definitions are rendered at the end of the document, regardless of where the definition was in the source</li>
+ * <li>Definitions are ordered by number</li>
+ * <li>Definitions have links back to their references (one or more)</li>
+ * </ul>
+ */
+public class FootnoteHtmlNodeRenderer implements NodeRenderer {
+
+    private final HtmlWriter html;
+    private final HtmlNodeRendererContext context;
+
+    /**
+     * All definitions (even potentially unused ones), for looking up references
+     */
+    private DefinitionMap<FootnoteDefinition> definitions;
+
+    // TODO: Might be nicer to have one map with a record instead.
+    /**
+     * Definitions that were referenced, and the reference IDs. In order in which they should be rendered.
+     */
+    private final Map<FootnoteDefinition, List<String>> references = new LinkedHashMap<>();
+    /**
+     * The number of the definition (i.e. 1, 2).
+     */
+    private final Map<FootnoteDefinition, Integer> definitionNumbers = new HashMap<>();
+
+    public FootnoteHtmlNodeRenderer(HtmlNodeRendererContext context) {
+        this.html = context.getWriter();
+        this.context = context;
+    }
+
+    @Override
+    public Set<Class<? extends Node>> getNodeTypes() {
+        return Set.of(FootnoteReference.class, FootnoteDefinition.class);
+    }
+
+    @Override
+    public void beforeRoot(Node node) {
+        // Collect definitions so we can look them up when encountering a reference later
+        var visitor = new FootnotesVisitor();
+        node.accept(visitor);
+        definitions = visitor.definitions;
+    }
+
+    @Override
+    public void render(Node node) {
+        if (node instanceof FootnoteReference) {
+            renderReference((FootnoteReference) node);
+        }
+    }
+
+    private void renderReference(FootnoteReference ref) {
+        var def = definitions.get(ref.getLabel());
+        if (def == null) {
+            // A reference without a corresponding definition is rendered as plain text
+            html.text("[^" + ref.getLabel() + "]");
+            return;
+        }
+
+        // The first referenced definition gets number 1, second one 2, etc.
+        var definitionNumber = definitionNumbers.computeIfAbsent(def, k -> definitionNumbers.size() + 1);
+
+        var refs = references.computeIfAbsent(def, k -> new ArrayList<>());
+        // The reference number for that particular definition. E.g. if there's two references for the same definition,
+        // the first one is 1, the second one 2, etc. This is needed to give each reference a unique ID so that each
+        // reference can get its own backlink from the definition.
+        var refNumber = refs.size() + 1;
+        var id = referenceId(def.getLabel(), refNumber);
+        refs.add(id);
+
+        html.tag("sup", context.extendAttributes(ref, "sup", Map.of("class", "footnote-ref")));
+
+        var href = "#" + definitionId(def.getLabel());
+        var attrs = new LinkedHashMap<String, String>();
+        attrs.put("href", href);
+        attrs.put("id", id);
+        attrs.put("data-footnote-ref", null);
+        html.tag("a", context.extendAttributes(ref, "a", attrs));
+        html.raw(String.valueOf(definitionNumber));
+        html.tag("/a");
+        html.tag("/sup");
+    }
+
+    @Override
+    public void afterRoot(Node node) {
+        // Now render the referenced definitions if there are any
+        if (references.isEmpty()) {
+            return;
+        }
+
+        var firstDef = references.keySet().iterator().next();
+        var attrs = new LinkedHashMap<String, String>();
+        attrs.put("class", "footnotes");
+        attrs.put("data-footnotes", null);
+        html.tag("section", context.extendAttributes(firstDef, "section", attrs));
+        html.line();
+        html.tag("ol");
+        html.line();
+        for (var entry : references.entrySet()) {
+            var def = entry.getKey();
+            var refs = entry.getValue();
+            int number = Objects.requireNonNull(definitionNumbers.get(def));
+            renderDefinition(def, number, refs);
+        }
+        html.tag("/ol");
+        html.line();
+        html.tag("/section");
+        html.line();
+    }
+
+    private void renderDefinition(FootnoteDefinition def, int defNumber, List<String> references) {
+        // <ol> etc
+        var id = definitionId(def.getLabel());
+        var attrs = new LinkedHashMap<String, String>();
+        attrs.put("id", id);
+        html.tag("li", context.extendAttributes(def, "li", attrs));
+        html.line();
+
+        if (def.getLastChild() instanceof Paragraph) {
+            // Add backlinks into last paragraph before "p". This is what GFM does.
+            var lastParagraph = (Paragraph) def.getLastChild();
+            renderChildren(def, lastParagraph);
+
+            html.line();
+            // This is a tiny bit strange, we're rendering the <p> ourselves here instead of delegating the rendering.
+            // What if the rendering was overwritten to not use <p>, or do something else entirely?
+            // TODO: I think it would be better if we rendered *all* paragraphs ourselves in this case, for consistency.
+            html.tag("p", context.extendAttributes(lastParagraph, "p", Map.of()));
+            renderChildren(lastParagraph, null);
+            html.raw(" ");
+            renderBackrefs(def, defNumber, references);
+            html.tag("/p");
+            html.line();
+        } else {
+            renderChildren(def, null);
+            html.line();
+            renderBackrefs(def, defNumber, references);
+        }
+
+        html.tag("/li");
+        html.line();
+    }
+
+    private void renderBackrefs(FootnoteDefinition def, int defNumber, List<String> refs) {
+        for (int i = 0; i < refs.size(); i++) {
+            var ref = refs.get(i);
+            var refNumber = i + 1;
+            var idx = defNumber + (refNumber > 1 ? ("-" + refNumber) : "");
+
+            var attrs = new LinkedHashMap<String, String>();
+            attrs.put("href", "#" + ref);
+            attrs.put("class", "footnote-backref");
+            attrs.put("data-footnote-backref", null);
+            attrs.put("data-footnote-backref-idx", idx);
+            attrs.put("aria-label", "Back to reference " + idx);
+            html.tag("a", context.extendAttributes(def, "a", attrs));
+            if (refNumber > 1) {
+                html.tag("sup", context.extendAttributes(def, "sup", Map.of("class", "footnote-ref")));
+                html.raw(String.valueOf(refNumber));
+                html.tag("/sup");
+            }
+            // U+21A9 LEFTWARDS ARROW WITH HOOK
+            html.raw("↩");
+            html.tag("/a");
+            if (i + 1 < refs.size()) {
+                html.raw(" ");
+            }
+        }
+    }
+
+    private String referenceId(String label, int number) {
+        return "fnref-" + label + (number == 1 ? "" : ("-" + number));
+    }
+
+    private String definitionId(String label) {
+        return "fn-" + label;
+    }
+
+    private void renderChildren(Node parent, Node until) {
+        Node node = parent.getFirstChild();
+        while (node != until) {
+            Node next = node.getNext();
+            context.render(node);
+            node = next;
+        }
+    }
+
+    private static class FootnotesVisitor extends AbstractVisitor {
+
+        private final DefinitionMap<FootnoteDefinition> definitions = new DefinitionMap<>(FootnoteDefinition.class);
+
+        @Override
+        public void visit(CustomBlock customBlock) {
+            if (customBlock instanceof FootnoteDefinition) {
+                var def = (FootnoteDefinition) customBlock;
+                definitions.putIfAbsent(def.getLabel(), def);
+            }
+        }
+    }
+}
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
new file mode 100644
index 000000000..3d6515001
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
@@ -0,0 +1,71 @@
+package org.commonmark.ext.footnotes.internal;
+
+import org.commonmark.ext.footnotes.FootnoteDefinition;
+import org.commonmark.ext.footnotes.FootnoteReference;
+import org.commonmark.node.*;
+import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.renderer.html.HtmlNodeRendererContext;
+import org.commonmark.renderer.html.HtmlWriter;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
+import org.commonmark.renderer.markdown.MarkdownWriter;
+
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Set;
+
+public class FootnoteMarkdownNodeRenderer implements NodeRenderer {
+
+    private final MarkdownWriter writer;
+    private final MarkdownNodeRendererContext context;
+
+    public FootnoteMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
+        this.writer = context.getWriter();
+        this.context = context;
+    }
+
+    @Override
+    public Set<Class<? extends Node>> getNodeTypes() {
+        return Set.of(FootnoteReference.class, FootnoteDefinition.class);
+    }
+
+    @Override
+    public void render(Node node) {
+        if (node instanceof FootnoteReference) {
+            renderReference((FootnoteReference) node);
+        } else if (node instanceof FootnoteDefinition) {
+            renderDefinition((FootnoteDefinition) node);
+        }
+    }
+
+    private void renderReference(FootnoteReference ref) {
+        writer.raw("[^");
+        // TODO: raw or text? Can the label contain characters that need to be escaped?
+        writer.raw(ref.getLabel());
+        writer.raw("]");
+    }
+
+    private void renderDefinition(FootnoteDefinition def) {
+        writer.raw("[^");
+        writer.raw(def.getLabel());
+        writer.raw("]:");
+        if (def.getFirstChild() instanceof Paragraph) {
+            writer.raw(" ");
+        }
+
+        writer.pushPrefix("    ");
+        writer.pushTight(true);
+        renderChildren(def);
+        writer.popTight();
+        writer.popPrefix();
+    }
+
+    private void renderChildren(Node parent) {
+        Node node = parent.getFirstChild();
+        while (node != null) {
+            Node next = node.getNext();
+            context.render(node);
+            node = next;
+        }
+    }
+}
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
new file mode 100644
index 000000000..b47e0ccba
--- /dev/null
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
@@ -0,0 +1,130 @@
+package org.commonmark.ext.footnotes;
+
+import org.commonmark.Extension;
+import org.commonmark.node.Document;
+import org.commonmark.node.Paragraph;
+import org.commonmark.node.Text;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.testutil.Asserts;
+import org.commonmark.testutil.RenderingTestCase;
+import org.junit.Test;
+
+import java.util.Set;
+
+public class FootnoteHtmlRendererTest extends RenderingTestCase {
+    private static final Set<Extension> EXTENSIONS = Set.of(FootnotesExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
+
+    @Test
+    public void testOne() {
+        assertRendering("Test [^foo]\n\n[^foo]: note\n",
+                "<p>Test <sup class=\"footnote-ref\"><a href=\"#fn-foo\" id=\"fnref-foo\" data-footnote-ref>1</a></sup></p>\n" +
+                        "<section class=\"footnotes\" data-footnotes>\n" +
+                        "<ol>\n" +
+                        "<li id=\"fn-foo\">\n" +
+                        "<p>note <a href=\"#fnref-foo\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "</ol>\n" +
+                        "</section>\n");
+    }
+
+    @Test
+    public void testLabelNormalization() {
+        // Labels match via their normalized form. For the href and IDs to match, rendering needs to use the
+        // label from the definition consistently.
+        assertRendering("Test [^bar]\n\n[^BAR]: note\n",
+                "<p>Test <sup class=\"footnote-ref\"><a href=\"#fn-BAR\" id=\"fnref-BAR\" data-footnote-ref>1</a></sup></p>\n" +
+                        "<section class=\"footnotes\" data-footnotes>\n" +
+                        "<ol>\n" +
+                        "<li id=\"fn-BAR\">\n" +
+                        "<p>note <a href=\"#fnref-BAR\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "</ol>\n" +
+                        "</section>\n");
+    }
+
+    @Test
+    public void testMultipleReferences() {
+        // Tests a few things:
+        // - Numbering is based on the reference order, not the definition order
+        // - The same number is used when a definition is referenced multiple times
+        // - Multiple backrefs are rendered
+        assertRendering("First [^foo]\n\nThen [^bar]\n\nThen [^foo] again\n\n[^bar]: b\n[^foo]: f\n",
+                "<p>First <sup class=\"footnote-ref\"><a href=\"#fn-foo\" id=\"fnref-foo\" data-footnote-ref>1</a></sup></p>\n" +
+                        "<p>Then <sup class=\"footnote-ref\"><a href=\"#fn-bar\" id=\"fnref-bar\" data-footnote-ref>2</a></sup></p>\n" +
+                        "<p>Then <sup class=\"footnote-ref\"><a href=\"#fn-foo\" id=\"fnref-foo-2\" data-footnote-ref>1</a></sup> again</p>\n" +
+                        "<section class=\"footnotes\" data-footnotes>\n" +
+                        "<ol>\n" +
+                        "<li id=\"fn-foo\">\n" +
+                        "<p>f <a href=\"#fnref-foo\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a> <a href=\"#fnref-foo-2\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1-2\" aria-label=\"Back to reference 1-2\"><sup class=\"footnote-ref\">2</sup>↩</a></p>\n" +
+                        "</li>\n" +
+                        "<li id=\"fn-bar\">\n" +
+                        "<p>b <a href=\"#fnref-bar\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"2\" aria-label=\"Back to reference 2\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "</ol>\n" +
+                        "</section>\n");
+    }
+
+    @Test
+    public void testDefinitionWithTwoParagraphs() {
+        // With two paragraphs, the backref <a> should be added to the second one
+        assertRendering("Test [^foo]\n\n[^foo]: one\n    \n    two\n",
+                "<p>Test <sup class=\"footnote-ref\"><a href=\"#fn-foo\" id=\"fnref-foo\" data-footnote-ref>1</a></sup></p>\n" +
+                        "<section class=\"footnotes\" data-footnotes>\n" +
+                        "<ol>\n" +
+                        "<li id=\"fn-foo\">\n" +
+                        "<p>one</p>\n" +
+                        "<p>two <a href=\"#fnref-foo\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "</ol>\n" +
+                        "</section>\n");
+    }
+
+    @Test
+    public void testDefinitionWithList() {
+        assertRendering("Test [^foo]\n\n[^foo]:\n    - one\n    - two\n",
+                "<p>Test <sup class=\"footnote-ref\"><a href=\"#fn-foo\" id=\"fnref-foo\" data-footnote-ref>1</a></sup></p>\n" +
+                        "<section class=\"footnotes\" data-footnotes>\n" +
+                        "<ol>\n" +
+                        "<li id=\"fn-foo\">\n" +
+                        "<ul>\n" +
+                        "<li>one</li>\n" +
+                        "<li>two</li>\n" +
+                        "</ul>\n" +
+                        "<a href=\"#fnref-foo\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></li>\n" +
+                        "</ol>\n" +
+                        "</section>\n");
+    }
+
+    @Test
+    public void testRenderNodesDirectly() {
+        // Everything should work as expected when rendering from nodes directly (no parsing step).
+        var doc = new Document();
+        var p = new Paragraph();
+        p.appendChild(new Text("Test "));
+        p.appendChild(new FootnoteReference("foo"));
+        var def = new FootnoteDefinition("foo");
+        var note = new Paragraph();
+        note.appendChild(new Text("note!"));
+        def.appendChild(note);
+        doc.appendChild(p);
+        doc.appendChild(def);
+
+        var expected = "<p>Test <sup class=\"footnote-ref\"><a href=\"#fn-foo\" id=\"fnref-foo\" data-footnote-ref>1</a></sup></p>\n" +
+                "<section class=\"footnotes\" data-footnotes>\n" +
+                "<ol>\n" +
+                "<li id=\"fn-foo\">\n" +
+                "<p>note! <a href=\"#fnref-foo\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                "</li>\n" +
+                "</ol>\n" +
+                "</section>\n";
+        Asserts.assertRendering("", expected, RENDERER.render(doc));
+    }
+
+    @Override
+    protected String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+}
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
new file mode 100644
index 000000000..f3a0efcb3
--- /dev/null
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
@@ -0,0 +1,43 @@
+package org.commonmark.ext.footnotes;
+
+import org.commonmark.Extension;
+import org.commonmark.node.Node;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
+import org.junit.Test;
+
+import java.util.Set;
+
+import static org.junit.Assert.assertEquals;
+
+public class FootnoteMarkdownRendererTest {
+    private static final Set<Extension> EXTENSIONS = Set.of(FootnotesExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(EXTENSIONS).build();
+
+    @Test
+    public void testSimple() {
+        assertRoundTrip("Test [^foo]\n\n[^foo]: note\n");
+    }
+
+    @Test
+    public void testUnreferenced() {
+        // Whether a reference has a corresponding definition or vice versa shouldn't matter for Markdown rendering.
+        assertRoundTrip("Test [^foo]\n\n[^foo]: one\n[^bar]: two\n");
+    }
+
+    @Test
+    public void testFootnoteWithBlock() {
+        assertRoundTrip("Test [^foo]\n\n[^foo]: - foo\n    - bar\n");
+    }
+
+    private void assertRoundTrip(String input) {
+        String rendered = parseAndRender(input);
+        assertEquals(input, rendered);
+    }
+
+    private String parseAndRender(String source) {
+        Node parsed = PARSER.parse(source);
+        return RENDERER.render(parsed);
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/renderer/NodeRendererMap.java b/commonmark/src/main/java/org/commonmark/internal/renderer/NodeRendererMap.java
index e3adaa11f..95ac6ce46 100644
--- a/commonmark/src/main/java/org/commonmark/internal/renderer/NodeRendererMap.java
+++ b/commonmark/src/main/java/org/commonmark/internal/renderer/NodeRendererMap.java
@@ -3,24 +3,36 @@
 import org.commonmark.node.Node;
 import org.commonmark.renderer.NodeRenderer;
 
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 public class NodeRendererMap {
 
+    private final List<NodeRenderer> nodeRenderers = new ArrayList<>();
     private final Map<Class<? extends Node>, NodeRenderer> renderers = new HashMap<>(32);
 
     public void add(NodeRenderer nodeRenderer) {
-        for (Class<? extends Node> nodeType : nodeRenderer.getNodeTypes()) {
-            // Overwrite existing renderer
-            renderers.put(nodeType, nodeRenderer);
+        nodeRenderers.add(nodeRenderer);
+        for (var nodeType : nodeRenderer.getNodeTypes()) {
+            // The first node renderer for a node type "wins".
+            renderers.putIfAbsent(nodeType, nodeRenderer);
         }
     }
 
     public void render(Node node) {
-        NodeRenderer nodeRenderer = renderers.get(node.getClass());
+        var nodeRenderer = renderers.get(node.getClass());
         if (nodeRenderer != null) {
             nodeRenderer.render(node);
         }
     }
+
+    public void beforeRoot(Node node) {
+        nodeRenderers.forEach(r -> r.beforeRoot(node));
+    }
+
+    public void afterRoot(Node node) {
+        nodeRenderers.forEach(r -> r.afterRoot(node));
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java b/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java
index 82f553ff1..9cc94507f 100644
--- a/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java
+++ b/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java
@@ -33,13 +33,14 @@ public void addAll(DefinitionMap<D> that) {
     }
 
     /**
-     * Store a new definition unless one is already in the map.
+     * Store a new definition unless one is already in the map. If there is no definition for that label, return null.
+     * Otherwise, return the existing definition.
      */
-    public void putIfAbsent(String label, D definition) {
+    public D putIfAbsent(String label, D definition) {
         String normalizedLabel = Escaping.normalizeLabelContent(label);
 
         // spec: When there are multiple matching link reference definitions, the first is used
-        definitions.putIfAbsent(normalizedLabel, definition);
+        return definitions.putIfAbsent(normalizedLabel, definition);
     }
 
     /**
diff --git a/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java
index e2d5ebc96..193d5e267 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java
@@ -20,4 +20,10 @@ public interface NodeRenderer {
      * @param node the node to render, will be an instance of one of {@link #getNodeTypes()}
      */
     void render(Node node);
+
+    default void beforeRoot(Node node) {
+    }
+
+    default void afterRoot(Node node) {
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
index 06ad01634..35db46a64 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
@@ -60,7 +60,9 @@ public static Builder builder() {
     public void render(Node node, Appendable output) {
         Objects.requireNonNull(node, "node must not be null");
         RendererContext context = new RendererContext(new HtmlWriter(output));
+        context.beforeRoot(node);
         context.render(node);
+        context.afterRoot(node);
     }
 
     @Override
@@ -225,15 +227,13 @@ private RendererContext(HtmlWriter htmlWriter) {
             this.htmlWriter = htmlWriter;
 
             attributeProviders = new ArrayList<>(attributeProviderFactories.size());
-            for (AttributeProviderFactory attributeProviderFactory : attributeProviderFactories) {
+            for (var attributeProviderFactory : attributeProviderFactories) {
                 attributeProviders.add(attributeProviderFactory.create(this));
             }
 
-            // The first node renderer for a node type "wins".
-            for (int i = nodeRendererFactories.size() - 1; i >= 0; i--) {
-                HtmlNodeRendererFactory nodeRendererFactory = nodeRendererFactories.get(i);
-                NodeRenderer nodeRenderer = nodeRendererFactory.create(this);
-                nodeRendererMap.add(nodeRenderer);
+            for (var factory : nodeRendererFactories) {
+                var renderer = factory.create(this);
+                nodeRendererMap.add(renderer);
             }
         }
 
@@ -283,6 +283,14 @@ public void render(Node node) {
             nodeRendererMap.render(node);
         }
 
+        public void beforeRoot(Node node) {
+            nodeRendererMap.beforeRoot(node);
+        }
+
+        public void afterRoot(Node node) {
+            nodeRendererMap.afterRoot(node);
+        }
+
         private void setCustomAttributes(Node node, String tagName, Map<String, String> attrs) {
             for (AttributeProvider attributeProvider : attributeProviders) {
                 attributeProvider.setAttributes(node, tagName, attrs);
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java
index 7df185e48..a4ac05d45 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlWriter.java
@@ -38,12 +38,14 @@ public void tag(String name, Map<String, String> attrs, boolean voidElement) {
         append("<");
         append(name);
         if (attrs != null && !attrs.isEmpty()) {
-            for (Map.Entry<String, String> attrib : attrs.entrySet()) {
+            for (var attr : attrs.entrySet()) {
                 append(" ");
-                append(Escaping.escapeHtml(attrib.getKey()));
-                append("=\"");
-                append(Escaping.escapeHtml(attrib.getValue()));
-                append("\"");
+                append(Escaping.escapeHtml(attr.getKey()));
+                if (attr.getValue() != null) {
+                    append("=\"");
+                    append(Escaping.escapeHtml(attr.getValue()));
+                    append("\"");
+                }
             }
         }
         if (voidElement) {

From 4616d50689a2889753eb0719d5bdc2319b1aca37 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 15 Jun 2024 16:13:48 +1000
Subject: [PATCH 299/450] Use a single map

---
 .../internal/FootnoteHtmlNodeRenderer.java    | 61 +++++++++++--------
 1 file changed, 34 insertions(+), 27 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
index 4f36d0732..bc430e095 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
@@ -31,17 +31,12 @@ public class FootnoteHtmlNodeRenderer implements NodeRenderer {
     /**
      * All definitions (even potentially unused ones), for looking up references
      */
-    private DefinitionMap<FootnoteDefinition> definitions;
+    private DefinitionMap<FootnoteDefinition> definitionMap;
 
-    // TODO: Might be nicer to have one map with a record instead.
     /**
-     * Definitions that were referenced, and the reference IDs. In order in which they should be rendered.
+     * Definitions that were referenced, in order in which they should be rendered.
      */
-    private final Map<FootnoteDefinition, List<String>> references = new LinkedHashMap<>();
-    /**
-     * The number of the definition (i.e. 1, 2).
-     */
-    private final Map<FootnoteDefinition, Integer> definitionNumbers = new HashMap<>();
+    private final Map<FootnoteDefinition, ReferencedDefinition> referencedDefinitions = new LinkedHashMap<>();
 
     public FootnoteHtmlNodeRenderer(HtmlNodeRendererContext context) {
         this.html = context.getWriter();
@@ -58,7 +53,7 @@ public void beforeRoot(Node node) {
         // Collect definitions so we can look them up when encountering a reference later
         var visitor = new FootnotesVisitor();
         node.accept(visitor);
-        definitions = visitor.definitions;
+        definitionMap = visitor.definitions;
     }
 
     @Override
@@ -69,7 +64,7 @@ public void render(Node node) {
     }
 
     private void renderReference(FootnoteReference ref) {
-        var def = definitions.get(ref.getLabel());
+        var def = definitionMap.get(ref.getLabel());
         if (def == null) {
             // A reference without a corresponding definition is rendered as plain text
             html.text("[^" + ref.getLabel() + "]");
@@ -77,15 +72,14 @@ private void renderReference(FootnoteReference ref) {
         }
 
         // The first referenced definition gets number 1, second one 2, etc.
-        var definitionNumber = definitionNumbers.computeIfAbsent(def, k -> definitionNumbers.size() + 1);
-
-        var refs = references.computeIfAbsent(def, k -> new ArrayList<>());
+        var referencedDef = referencedDefinitions.computeIfAbsent(def, k -> new ReferencedDefinition(referencedDefinitions.size() + 1));
+        var definitionNumber = referencedDef.definitionNumber;
         // The reference number for that particular definition. E.g. if there's two references for the same definition,
         // the first one is 1, the second one 2, etc. This is needed to give each reference a unique ID so that each
         // reference can get its own backlink from the definition.
-        var refNumber = refs.size() + 1;
+        var refNumber = referencedDef.references.size() + 1;
         var id = referenceId(def.getLabel(), refNumber);
-        refs.add(id);
+        referencedDef.references.add(id);
 
         html.tag("sup", context.extendAttributes(ref, "sup", Map.of("class", "footnote-ref")));
 
@@ -103,11 +97,11 @@ private void renderReference(FootnoteReference ref) {
     @Override
     public void afterRoot(Node node) {
         // Now render the referenced definitions if there are any
-        if (references.isEmpty()) {
+        if (referencedDefinitions.isEmpty()) {
             return;
         }
 
-        var firstDef = references.keySet().iterator().next();
+        var firstDef = referencedDefinitions.keySet().iterator().next();
         var attrs = new LinkedHashMap<String, String>();
         attrs.put("class", "footnotes");
         attrs.put("data-footnotes", null);
@@ -115,11 +109,8 @@ public void afterRoot(Node node) {
         html.line();
         html.tag("ol");
         html.line();
-        for (var entry : references.entrySet()) {
-            var def = entry.getKey();
-            var refs = entry.getValue();
-            int number = Objects.requireNonNull(definitionNumbers.get(def));
-            renderDefinition(def, number, refs);
+        for (var entry : referencedDefinitions.entrySet()) {
+            renderDefinition(entry.getKey(), entry.getValue());
         }
         html.tag("/ol");
         html.line();
@@ -127,7 +118,7 @@ public void afterRoot(Node node) {
         html.line();
     }
 
-    private void renderDefinition(FootnoteDefinition def, int defNumber, List<String> references) {
+    private void renderDefinition(FootnoteDefinition def, ReferencedDefinition referencedDefinition) {
         // <ol> etc
         var id = definitionId(def.getLabel());
         var attrs = new LinkedHashMap<String, String>();
@@ -147,24 +138,25 @@ private void renderDefinition(FootnoteDefinition def, int defNumber, List<String
             html.tag("p", context.extendAttributes(lastParagraph, "p", Map.of()));
             renderChildren(lastParagraph, null);
             html.raw(" ");
-            renderBackrefs(def, defNumber, references);
+            renderBackrefs(def, referencedDefinition);
             html.tag("/p");
             html.line();
         } else {
             renderChildren(def, null);
             html.line();
-            renderBackrefs(def, defNumber, references);
+            renderBackrefs(def, referencedDefinition);
         }
 
         html.tag("/li");
         html.line();
     }
 
-    private void renderBackrefs(FootnoteDefinition def, int defNumber, List<String> refs) {
+    private void renderBackrefs(FootnoteDefinition def, ReferencedDefinition referencedDefinition) {
+        var refs = referencedDefinition.references;
         for (int i = 0; i < refs.size(); i++) {
             var ref = refs.get(i);
             var refNumber = i + 1;
-            var idx = defNumber + (refNumber > 1 ? ("-" + refNumber) : "");
+            var idx = referencedDefinition.definitionNumber + (refNumber > 1 ? ("-" + refNumber) : "");
 
             var attrs = new LinkedHashMap<String, String>();
             attrs.put("href", "#" + ref);
@@ -216,4 +208,19 @@ public void visit(CustomBlock customBlock) {
             }
         }
     }
+
+    private static class ReferencedDefinition {
+        /**
+         * The definition number, starting from 1, and in order in which they're referenced.
+         */
+        final int definitionNumber;
+        /**
+         * The IDs of references for this definition, for backrefs.
+         */
+        final List<String> references = new ArrayList<>();
+
+        ReferencedDefinition(int definitionNumber) {
+            this.definitionNumber = definitionNumber;
+        }
+    }
 }

From b10bd57bbdaf363ec19cab8f76d4a60bdb6bc847 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 15 Jun 2024 16:21:03 +1000
Subject: [PATCH 300/450] Address TODO for paragraph rendering

---
 .../internal/FootnoteHtmlNodeRenderer.java    | 27 ++++++++++++-------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
index bc430e095..17a46af0a 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
@@ -129,20 +129,29 @@ private void renderDefinition(FootnoteDefinition def, ReferencedDefinition refer
         if (def.getLastChild() instanceof Paragraph) {
             // Add backlinks into last paragraph before "p". This is what GFM does.
             var lastParagraph = (Paragraph) def.getLastChild();
-            renderChildren(def, lastParagraph);
+            var node = def.getFirstChild();
+            while (node != lastParagraph) {
+                if (node instanceof Paragraph) {
+                    // Because we're manually rendering the <p> for the last paragraph, do the same for all other
+                    // paragraphs for consistency (Paragraph rendering might be overwritten by a custom renderer).
+                    html.tag("p", context.extendAttributes(node, "p", Map.of()));
+                    renderChildren(node);
+                    html.tag("/p");
+                    html.line();
+                } else {
+                    context.render(node);
+                }
+                node = node.getNext();
+            }
 
-            html.line();
-            // This is a tiny bit strange, we're rendering the <p> ourselves here instead of delegating the rendering.
-            // What if the rendering was overwritten to not use <p>, or do something else entirely?
-            // TODO: I think it would be better if we rendered *all* paragraphs ourselves in this case, for consistency.
             html.tag("p", context.extendAttributes(lastParagraph, "p", Map.of()));
-            renderChildren(lastParagraph, null);
+            renderChildren(lastParagraph);
             html.raw(" ");
             renderBackrefs(def, referencedDefinition);
             html.tag("/p");
             html.line();
         } else {
-            renderChildren(def, null);
+            renderChildren(def);
             html.line();
             renderBackrefs(def, referencedDefinition);
         }
@@ -187,9 +196,9 @@ private String definitionId(String label) {
         return "fn-" + label;
     }
 
-    private void renderChildren(Node parent, Node until) {
+    private void renderChildren(Node parent) {
         Node node = parent.getFirstChild();
-        while (node != until) {
+        while (node != null) {
             Node next = node.getNext();
             context.render(node);
             node = next;

From 7fe1a9ef3d01bc431209de289ec8a62808cee885 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 20 Jun 2024 22:07:45 +1000
Subject: [PATCH 301/450] Add exclude list for label characters

See `_scan_footnote_definition` in cmark-gfm.
---
 .../internal/FootnoteBlockParser.java         | 23 +++++++++++--------
 .../ext/footnotes/FootnotesTest.java          | 13 ++++-------
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
index 55ca86993..be85c5ef4 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
@@ -71,17 +71,20 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
 
             for (index = labelStart; index < content.length(); index++) {
                 var c = content.charAt(index);
-                if (c == ']' && index + 1 < content.length() && content.charAt(index + 1) == ':') {
-                    if (index > labelStart) {
-                        var label = content.subSequence(labelStart, index).toString();
-                        return BlockStart.of(new FootnoteBlockParser(label)).atIndex(index + 2);
-                    } else {
+                switch (c) {
+                    case ']':
+                        if (index > labelStart && index + 1 < content.length() && content.charAt(index + 1) == ':') {
+                            var label = content.subSequence(labelStart, index).toString();
+                            return BlockStart.of(new FootnoteBlockParser(label)).atIndex(index + 2);
+                        } else {
+                            return BlockStart.none();
+                        }
+                    case ' ':
+                    case '\r':
+                    case '\n':
+                    case '\0':
+                    case '\t':
                         return BlockStart.none();
-                    }
-                }
-                // TODO: Check what GitHub actually does here, e.g. tabs, control characters, other Unicode whitespace
-                if (Character.isWhitespace(c)) {
-                    return BlockStart.none();
                 }
             }
 
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 20ae6f5f6..4bacccd9b 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -20,20 +20,17 @@ public class FootnotesTest {
 
     @Test
     public void testDefBlockStart() {
-        for (var s : List.of("1", "a")) {
+        for (var s : List.of("1", "a", "^", "*", "\\a", "\uD83D\uDE42", "&")) {
             var doc = PARSER.parse("[^" + s + "]: footnote\n");
             var def = find(doc, FootnoteDefinition.class);
-            // TODO: Should label be "^1" instead?
             assertEquals(s, def.getLabel());
         }
 
-        for (var s : List.of("", " ", "a b")) {
-            var doc = PARSER.parse("[^" + s + "]: footnote\n");
-            assertNull(tryFind(doc, FootnoteDefinition.class));
+        for (var s : List.of("", " ", "a b", "]", "\r", "\n", "\t")) {
+            var input = "[^" + s + "]: footnote\n";
+            var doc = PARSER.parse(input);
+            assertNull("input: " + input, tryFind(doc, FootnoteDefinition.class));
         }
-
-        // TODO: Test what characters are allowed for the label, e.g.
-        //  [^], [^ ], [^^], [^[], [^*], [^\], [^\a], [^🙂], tab?, [^&], [^&amp;]
     }
 
     @Test

From 47e622e5434e0f231e8658e231456d506f171605 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 20 Jun 2024 22:13:37 +1000
Subject: [PATCH 302/450] Check for indentation

---
 .../ext/footnotes/internal/FootnoteBlockParser.java       | 7 ++++---
 .../java/org/commonmark/ext/footnotes/FootnotesTest.java  | 8 ++++++++
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
index be85c5ef4..dabaf599d 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
@@ -54,9 +54,11 @@ public static class Factory implements BlockParserFactory {
 
         @Override
         public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
-            var content = state.getLine().getContent();
-            // TODO: Can it be indented? Maybe less than code block indent.
+            if (state.getIndent() >= 4) {
+                return BlockStart.none();
+            }
             var index = state.getNextNonSpaceIndex();
+            var content = state.getLine().getContent();
             if (content.charAt(index) != '[' || index + 1 >= content.length()) {
                 return BlockStart.none();
             }
@@ -66,7 +68,6 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
             }
             // Now at first label character (if any)
             index++;
-
             var labelStart = index;
 
             for (index = labelStart; index < content.length(); index++) {
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 4bacccd9b..10ecb184e 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -43,6 +43,14 @@ public void testDefBlockStartInterrupts() {
         assertEquals("1", def.getLabel());
     }
 
+    @Test
+    public void testDefBlockStartIndented() {
+        var doc1 = PARSER.parse("   [^1]: footnote\n");
+        assertEquals("1", find(doc1, FootnoteDefinition.class).getLabel());
+        var doc2 = PARSER.parse("    [^1]: footnote\n");
+        assertNull(tryFind(doc2, FootnoteDefinition.class));
+    }
+
     @Test
     public void testDefMultiple() {
         var doc = PARSER.parse("[^1]: foo\n[^2]: bar\n");

From 194067b26a54788b5fa68b92cff1490bf03fa461 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 20 Jun 2024 22:22:50 +1000
Subject: [PATCH 303/450] Address TODO in bracket processor

---
 .../internal/FootnoteBracketProcessor.java    | 38 ++++++++++---------
 1 file changed, 21 insertions(+), 17 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
index 8f64a750a..866980587 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
@@ -12,25 +12,29 @@
 public class FootnoteBracketProcessor implements BracketProcessor {
     @Override
     public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlineParserContext context) {
-        // TODO: Does parsing need to be more strict here?
         var text = bracketInfo.text();
-        if (text.startsWith("^")) {
-            if (bracketInfo.label() != null && context.getDefinition(LinkReferenceDefinition.class, bracketInfo.label()) != null) {
-                // If there's a label after the text and the label has a definition -> it's a link, and it should
-                // take preference.
-                return BracketResult.none();
-            }
+        if (!text.startsWith("^")) {
+            // Footnote reference needs to start with [^
+            return BracketResult.none();
+        }
+
+        if (bracketInfo.label() != null && context.getDefinition(LinkReferenceDefinition.class, bracketInfo.label()) != null) {
+            // If there's a label after the text and the label has a definition -> it's a link, and it should take
+            // preference, e.g. in `[^foo][bar]` if `[bar]` has a definition, `[^foo]` won't be a footnote reference.
+            return BracketResult.none();
+        }
 
-            var label = text.substring(1);
-            // Check if we have a definition, otherwise ignore (same behavior as for link reference definitions)
-            var def = context.getDefinition(FootnoteDefinition.class, label);
-            if (def != null) {
-                // For footnotes, we only ever consume the text part of the link, not the label part (if any).
-                var position = bracketInfo.afterTextBracket();
-                // If the marker is `![`, we don't want to include the `!`, so start from bracket
-                return BracketResult.replaceWith(new FootnoteReference(label), position).startFromBracket();
-            }
+        var label = text.substring(1);
+        // Check if we have a definition, otherwise ignore (same behavior as for link reference definitions).
+        // Note that the definition parser already checked the syntax of the label, we don't need to check again.
+        var def = context.getDefinition(FootnoteDefinition.class, label);
+        if (def == null) {
+            return BracketResult.none();
         }
-        return BracketResult.none();
+
+        // For footnotes, we only ever consume the text part of the link, not the label part (if any)
+        var position = bracketInfo.afterTextBracket();
+        // If the marker is `![`, we don't want to include the `!`, so start from bracket
+        return BracketResult.replaceWith(new FootnoteReference(label), position).startFromBracket();
     }
 }

From cbe592560a38e02fc49c966fb94d3df3012b77d8 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 22 Jun 2024 21:46:46 +1000
Subject: [PATCH 304/450] Also use processor for inline links

---
 .../internal/FootnoteBracketProcessor.java    |   5 +
 .../ext/footnotes/FootnotesTest.java          |   6 +
 .../commonmark/internal/InlineParserImpl.java | 176 +++++++++++-------
 .../internal/inline/CoreBracketProcessor.java |  21 ++-
 .../main/java/org/commonmark/node/Link.java   |   3 +
 .../commonmark/parser/beta/BracketInfo.java   |  10 +
 6 files changed, 145 insertions(+), 76 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
index 866980587..c05800b29 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
@@ -12,6 +12,11 @@
 public class FootnoteBracketProcessor implements BracketProcessor {
     @Override
     public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlineParserContext context) {
+        if (bracketInfo.destination() != null) {
+            // If it's an inline link, it can't be a footnote reference
+            return BracketResult.none();
+        }
+
         var text = bracketInfo.text();
         if (!text.startsWith("^")) {
             // Footnote reference needs to start with [^
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 10ecb184e..a44b6dbaa 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -177,6 +177,12 @@ public void testRefWithEmptyLabel() {
         assertText("[]", paragraph.getLastChild());
     }
 
+    @Test
+    public void testInlineLinkTakesPrecedence() {
+        var doc = PARSER.parse("Test [^bar](/url)\n\n[^bar]: footnote\n");
+        assertNull(tryFind(doc, FootnoteReference.class));
+    }
+
     @Test
     public void testRefWithBracket() {
         // Not a footnote, [ needs to be escaped
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index cf77f94aa..e1c021f76 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -323,82 +323,13 @@ private Node parseCloseBracket() {
     }
 
     private Node parseLinkOrImage(Bracket opener, Position beforeClose) {
-        // Check to see if we have a link (or image, with a ! in front). The different types:
-        // - Inline:       `[foo](/uri)` or with optional title `[foo](/uri "title")`
-        // - Reference links
-        //   - Full:      `[foo][bar]` (foo is the text and bar is the label that needs to match a reference)
-        //   - Collapsed: `[foo][]`    (foo is both the text and label)
-        //   - Shortcut:  `[foo]`      (foo is both the text and label)
-
-        // Starting position is after the closing `]`
-        Position afterClose = scanner.position();
-
-        // Maybe an inline link/image
-        var destinationTitle = parseInlineDestinationTitle(scanner);
-        if (destinationTitle != null) {
-            var linkOrImage = opener.image
-                    ? new Image(destinationTitle.destination, destinationTitle.title)
-                    : new Link(destinationTitle.destination, destinationTitle.title);
-            return processLinkOrImage(opener, linkOrImage, false);
-        }
-        // Not an inline link/image, rewind back to after `]`.
-        scanner.setPosition(afterClose);
-
-        // Maybe a reference link/image like `[foo][bar]`, `[foo][]` or `[foo]`.
-        // Note that even `[foo](` could be a valid link if foo is a reference, which is why we try this even if the `(`
-        // failed to be parsed as an inline link/image before.
-
-        String text = scanner.getSource(opener.contentPosition, beforeClose).getContent();
-
-        // See if there's a link label like `[bar]` or `[]`
-        String label = parseLinkLabel(scanner);
-        if (label == null) {
-            // No label, rewind back
-            scanner.setPosition(afterClose);
-        }
-        var referenceType = label == null ?
-                BracketInfo.ReferenceType.SHORTCUT : label.isEmpty() ?
-                BracketInfo.ReferenceType.COLLAPSED :
-                BracketInfo.ReferenceType.FULL;
-        if ((referenceType == BracketInfo.ReferenceType.SHORTCUT || referenceType == BracketInfo.ReferenceType.COLLAPSED)
-                && opener.bracketAfter) {
-            // In case of SHORTCUT or COLLAPSED, the text is used as the reference. But the reference is not allowed to
-            // contain an unescaped bracket, so if that's the case we don't need to continue. This is an optimization.
+        var bracketInfo = parseBracketInfo(opener, beforeClose);
+        if (bracketInfo == null) {
             return null;
         }
-
-        var bracketInfo = new BracketInfo() {
-            @Override
-            public OpenerType openerType() {
-                return opener.image ? OpenerType.IMAGE : OpenerType.LINK;
-            }
-
-            @Override
-            public ReferenceType referenceType() {
-                return referenceType;
-            }
-
-            @Override
-            public String text() {
-                return text;
-            }
-
-            @Override
-            public String label() {
-                return label;
-            }
-
-            @Override
-            public Position afterTextBracket() {
-                return afterClose;
-            }
-        };
-
         var processorStartPosition = scanner.position();
 
         for (var bracketProcessor : bracketProcessors) {
-            // TODO: Should inline links also go through this, maybe? That would allow e.g. the image attributes extension
-            //  to use it to parse the attributes, I think. It would also be clearer: Every type of link goes through this.
             var bracketResult = bracketProcessor.process(bracketInfo, scanner, context);
             if (!(bracketResult instanceof BracketResultImpl)) {
                 // Reset position in case the processor used the scanner, and it didn't work out.
@@ -438,6 +369,52 @@ public Position afterTextBracket() {
         return null;
     }
 
+    private BracketInfo parseBracketInfo(Bracket opener, Position beforeClose) {
+        // Check to see if we have a link (or image, with a ! in front). The different types:
+        // - Inline:       `[foo](/uri)` or with optional title `[foo](/uri "title")`
+        // - Reference links
+        //   - Full:      `[foo][bar]` (foo is the text and bar is the label that needs to match a reference)
+        //   - Collapsed: `[foo][]`    (foo is both the text and label)
+        //   - Shortcut:  `[foo]`      (foo is both the text and label)
+
+        var openerType = opener.image ? BracketInfo.OpenerType.IMAGE : BracketInfo.OpenerType.LINK;
+        String text = scanner.getSource(opener.contentPosition, beforeClose).getContent();
+
+        // Starting position is after the closing `]`
+        Position afterClose = scanner.position();
+
+        // Maybe an inline link/image
+        var destinationTitle = parseInlineDestinationTitle(scanner);
+        if (destinationTitle != null) {
+            return new BracketInfoImpl(openerType, null, text, null, destinationTitle.destination, destinationTitle.title, afterClose);
+        }
+        // Not an inline link/image, rewind back to after `]`.
+        scanner.setPosition(afterClose);
+
+        // Maybe a reference link/image like `[foo][bar]`, `[foo][]` or `[foo]`.
+        // Note that even `[foo](` could be a valid link if foo is a reference, which is why we try this even if the `(`
+        // failed to be parsed as an inline link/image before.
+
+        // See if there's a link label like `[bar]` or `[]`
+        String label = parseLinkLabel(scanner);
+        if (label == null) {
+            // No label, rewind back
+            scanner.setPosition(afterClose);
+        }
+        var referenceType = label == null ?
+                BracketInfo.ReferenceType.SHORTCUT : label.isEmpty() ?
+                BracketInfo.ReferenceType.COLLAPSED :
+                BracketInfo.ReferenceType.FULL;
+        if ((referenceType == BracketInfo.ReferenceType.SHORTCUT || referenceType == BracketInfo.ReferenceType.COLLAPSED)
+                && opener.bracketAfter) {
+            // In case of SHORTCUT or COLLAPSED, the text is used as the reference. But the reference is not allowed to
+            // contain an unescaped bracket, so if that's the case we don't need to continue. This is an optimization.
+            return null;
+        }
+
+        return new BracketInfoImpl(openerType, referenceType, text, label, null, null, afterClose);
+    }
+
     private Node processLinkOrImage(Bracket opener, Node linkOrImage, boolean startFromBracket) {
         // Add all nodes between the opening bracket and now (closing bracket) as child nodes of the link
         Node node = opener.bracketNode.getNext();
@@ -893,4 +870,61 @@ public DestinationTitle(String destination, String title) {
             this.title = title;
         }
     }
+
+    private static class BracketInfoImpl implements BracketInfo {
+
+        private final OpenerType openerType;
+        private final ReferenceType referenceType;
+        private final String text;
+        private final String label;
+        private final String destination;
+        private final String title;
+        private final Position afterTextBracket;
+
+        private BracketInfoImpl(OpenerType openerType, ReferenceType referenceType, String text, String label,
+                                String destination, String title, Position afterTextBracket) {
+            this.openerType = openerType;
+            this.referenceType = referenceType;
+            this.text = text;
+            this.label = label;
+            this.destination = destination;
+            this.title = title;
+            this.afterTextBracket = afterTextBracket;
+        }
+
+        @Override
+        public OpenerType openerType() {
+            return openerType;
+        }
+
+        @Override
+        public ReferenceType referenceType() {
+            return referenceType;
+        }
+
+        @Override
+        public String text() {
+            return text;
+        }
+
+        @Override
+        public String label() {
+            return label;
+        }
+
+        @Override
+        public String destination() {
+            return destination;
+        }
+
+        @Override
+        public String title() {
+            return title;
+        }
+
+        @Override
+        public Position afterTextBracket() {
+            return afterTextBracket;
+        }
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java b/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
index ce5fc27af..83040302b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
@@ -3,6 +3,7 @@
 import org.commonmark.node.Image;
 import org.commonmark.node.Link;
 import org.commonmark.node.LinkReferenceDefinition;
+import org.commonmark.node.Node;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.beta.BracketInfo;
 import org.commonmark.parser.beta.BracketProcessor;
@@ -13,16 +14,26 @@ public class CoreBracketProcessor implements BracketProcessor {
 
     @Override
     public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlineParserContext context) {
+        if (bracketInfo.destination() != null) {
+            // Inline link
+            var node = createNode(bracketInfo, bracketInfo.destination(), bracketInfo.title());
+            return BracketResult.wrapTextIn(node, scanner.position());
+        }
+
         var label = bracketInfo.label();
         var ref = label != null && !label.isEmpty() ? label : bracketInfo.text();
         var def = context.getDefinition(LinkReferenceDefinition.class, ref);
         if (def != null) {
-            if (bracketInfo.openerType() == BracketInfo.OpenerType.IMAGE) {
-                return BracketResult.wrapTextIn(new Image(def.getDestination(), def.getTitle()), scanner.position());
-            } else if (bracketInfo.openerType() == BracketInfo.OpenerType.LINK) {
-                return BracketResult.wrapTextIn(new Link(def.getDestination(), def.getTitle()), scanner.position());
-            }
+            // Reference link
+            var node = createNode(bracketInfo, def.getDestination(), def.getTitle());
+            return BracketResult.wrapTextIn(node, scanner.position());
         }
         return BracketResult.none();
     }
+
+    private static Node createNode(BracketInfo bracketInfo, String destination, String title) {
+        return bracketInfo.openerType() == BracketInfo.OpenerType.IMAGE ?
+                new Image(destination, title) :
+                new Link(destination, title);
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/node/Link.java b/commonmark/src/main/java/org/commonmark/node/Link.java
index b2ed8c2a1..0d1447b26 100644
--- a/commonmark/src/main/java/org/commonmark/node/Link.java
+++ b/commonmark/src/main/java/org/commonmark/node/Link.java
@@ -46,6 +46,9 @@ public void setDestination(String destination) {
         this.destination = destination;
     }
 
+    /**
+     * @return the title or null
+     */
     public String getTitle() {
         return title;
     }
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java b/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java
index 10002c91b..cdeea92cc 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java
@@ -29,5 +29,15 @@ enum ReferenceType {
      */
     String label();
 
+    /**
+     * The destination if available, e.g. in `[foo](destination)`, or null
+     */
+    String destination();
+
+    /**
+     * The title if available, e.g. in `[foo](destination "title")`, or null
+     */
+    String title();
+
     Position afterTextBracket();
 }

From 982e6a59e2ee564b72819f3ee4357daae0801adf Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 22 Jun 2024 22:15:20 +1000
Subject: [PATCH 305/450] Set source span, rename methods

---
 .../ext/footnotes/FootnotesTest.java          | 23 ++++++--
 .../commonmark/internal/InlineParserImpl.java | 59 +++++++++++--------
 2 files changed, 52 insertions(+), 30 deletions(-)

diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index a44b6dbaa..11b0d3bbe 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.Extension;
 import org.commonmark.node.*;
+import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
 import org.junit.Test;
 
@@ -178,15 +179,15 @@ public void testRefWithEmptyLabel() {
     }
 
     @Test
-    public void testInlineLinkTakesPrecedence() {
-        var doc = PARSER.parse("Test [^bar](/url)\n\n[^bar]: footnote\n");
+    public void testRefWithBracket() {
+        // Not a footnote, [ needs to be escaped
+        var doc = PARSER.parse("Test [^f[oo]\n\n[^f[oo]: /url\n");
         assertNull(tryFind(doc, FootnoteReference.class));
     }
 
     @Test
-    public void testRefWithBracket() {
-        // Not a footnote, [ needs to be escaped
-        var doc = PARSER.parse("Test [^f[oo]\n\n[^f[oo]: /url\n");
+    public void testPreferInlineLink() {
+        var doc = PARSER.parse("Test [^bar](/url)\n\n[^bar]: footnote\n");
         assertNull(tryFind(doc, FootnoteReference.class));
     }
 
@@ -209,6 +210,18 @@ public void testReferenceLinkWithoutDefinition() {
         assertText("[foo]", paragraph.getLastChild());
     }
 
+    @Test
+    public void testSourcePositions() {
+        var parser = Parser.builder().extensions(EXTENSIONS).includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES).build();
+
+        var doc = parser.parse("Test [^foo]\n\n[^foo]: /url\n");
+        var ref = find(doc, FootnoteReference.class);
+        assertEquals(ref.getSourceSpans(), List.of(SourceSpan.of(0, 5, 6)));
+
+        var def = find(doc, FootnoteDefinition.class);
+        assertEquals(def.getSourceSpans(), List.of(SourceSpan.of(2, 0, 12)));
+    }
+
     private static <T> T find(Node parent, Class<T> nodeClass) {
         return Objects.requireNonNull(tryFind(parent, nodeClass), "Could not find a " + nodeClass.getSimpleName() + " node in " + parent);
     }
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index e1c021f76..22c8181b3 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -345,24 +345,10 @@ private Node parseLinkOrImage(Bracket opener, Position beforeClose) {
             switch (result.getType()) {
                 case WRAP:
                     scanner.setPosition(position);
-                    return processLinkOrImage(opener, node, startFromBracket);
+                    return wrapBracket(opener, node, startFromBracket);
                 case REPLACE:
                     scanner.setPosition(position);
-
-                    // Remove delimiters (but keep text nodes)
-                    while (lastDelimiter != null && lastDelimiter != opener.previousDelimiter) {
-                        removeDelimiterKeepNode(lastDelimiter);
-                    }
-
-                    removeLastBracket();
-
-                    Node n = opener.bangNode == null || startFromBracket ? opener.bracketNode : opener.bangNode;
-                    while (n != null) {
-                        var next = n.getNext();
-                        n.unlink();
-                        n = next;
-                    }
-                    return node;
+                    return replaceBracket(opener, node, startFromBracket);
             }
         }
 
@@ -415,23 +401,23 @@ private BracketInfo parseBracketInfo(Bracket opener, Position beforeClose) {
         return new BracketInfoImpl(openerType, referenceType, text, label, null, null, afterClose);
     }
 
-    private Node processLinkOrImage(Bracket opener, Node linkOrImage, boolean startFromBracket) {
+    private Node wrapBracket(Bracket opener, Node wrapperNode, boolean startFromBracket) {
         // Add all nodes between the opening bracket and now (closing bracket) as child nodes of the link
-        Node node = opener.bracketNode.getNext();
-        while (node != null) {
-            Node next = node.getNext();
-            linkOrImage.appendChild(node);
-            node = next;
+        Node n = opener.bracketNode.getNext();
+        while (n != null) {
+            Node next = n.getNext();
+            wrapperNode.appendChild(n);
+            n = next;
         }
 
         if (includeSourceSpans) {
             var startPosition = opener.bangPosition == null || startFromBracket ? opener.bracketPosition : opener.bangPosition;
-            linkOrImage.setSourceSpans(scanner.getSource(startPosition, scanner.position()).getSourceSpans());
+            wrapperNode.setSourceSpans(scanner.getSource(startPosition, scanner.position()).getSourceSpans());
         }
 
         // Process delimiters such as emphasis inside link/image
         processDelimiters(opener.previousDelimiter);
-        mergeChildTextNodes(linkOrImage);
+        mergeChildTextNodes(wrapperNode);
         // We don't need the corresponding text node anymore, we turned it into a link/image node
         if (opener.bangNode != null && !startFromBracket) {
             opener.bangNode.unlink();
@@ -451,7 +437,30 @@ private Node processLinkOrImage(Bracket opener, Node linkOrImage, boolean startF
             }
         }
 
-        return linkOrImage;
+        return wrapperNode;
+    }
+
+    private Node replaceBracket(Bracket opener, Node node, boolean startFromBracket) {
+        // Remove delimiters (but keep text nodes)
+        while (lastDelimiter != null && lastDelimiter != opener.previousDelimiter) {
+            removeDelimiterKeepNode(lastDelimiter);
+        }
+
+        if (includeSourceSpans) {
+            var startPosition = opener.bangPosition == null || startFromBracket ? opener.bracketPosition : opener.bangPosition;
+            node.setSourceSpans(scanner.getSource(startPosition, scanner.position()).getSourceSpans());
+        }
+
+        removeLastBracket();
+
+        // Remove nodes that we added since the opener, because we're replacing them
+        Node n = opener.bangNode == null || startFromBracket ? opener.bracketNode : opener.bangNode;
+        while (n != null) {
+            var next = n.getNext();
+            n.unlink();
+            n = next;
+        }
+        return node;
     }
 
     private void addBracket(Bracket bracket) {

From 407d0e09cdf850bfc39101ebde8c47c1e76abc6a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 29 Jun 2024 11:31:43 +1000
Subject: [PATCH 306/450] Address TODO in markdown renderer

---
 .../internal/FootnoteMarkdownNodeRenderer.java        |  2 +-
 .../ext/footnotes/FootnoteMarkdownRendererTest.java   |  5 +++++
 .../org/commonmark/ext/footnotes/FootnotesTest.java   | 11 ++++++++++-
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
index 3d6515001..956cd1de1 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
@@ -40,7 +40,7 @@ public void render(Node node) {
 
     private void renderReference(FootnoteReference ref) {
         writer.raw("[^");
-        // TODO: raw or text? Can the label contain characters that need to be escaped?
+        // The label is parsed as-is without escaping, so we can render it back as-is
         writer.raw(ref.getLabel());
         writer.raw("]");
     }
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
index f3a0efcb3..2ab2ba0eb 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
@@ -31,6 +31,11 @@ public void testFootnoteWithBlock() {
         assertRoundTrip("Test [^foo]\n\n[^foo]: - foo\n    - bar\n");
     }
 
+    @Test
+    public void testBackslashInLabel() {
+        assertRoundTrip("[^\\foo]\n\n[^\\foo]: note\n");
+    }
+
     private void assertRoundTrip(String input) {
         String rendered = parseAndRender(input);
         assertEquals(input, rendered);
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 11b0d3bbe..73e659aa7 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -21,7 +21,7 @@ public class FootnotesTest {
 
     @Test
     public void testDefBlockStart() {
-        for (var s : List.of("1", "a", "^", "*", "\\a", "\uD83D\uDE42", "&")) {
+        for (var s : List.of("1", "a", "^", "*", "\\a", "\uD83D\uDE42", "&0")) {
             var doc = PARSER.parse("[^" + s + "]: footnote\n");
             var def = find(doc, FootnoteDefinition.class);
             assertEquals(s, def.getLabel());
@@ -185,6 +185,15 @@ public void testRefWithBracket() {
         assertNull(tryFind(doc, FootnoteReference.class));
     }
 
+    @Test
+    public void testRefWithBackslash() {
+        var doc = PARSER.parse("[^\\foo]\n\n[^\\foo]: note\n");
+        var ref = find(doc, FootnoteReference.class);
+        assertEquals("\\foo", ref.getLabel());
+        var def = find(doc, FootnoteDefinition.class);
+        assertEquals("\\foo", def.getLabel());
+    }
+
     @Test
     public void testPreferInlineLink() {
         var doc = PARSER.parse("Test [^bar](/url)\n\n[^bar]: footnote\n");

From e619eacb4dcfcb5346d3fd3726e020f9907020b1 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 29 Jun 2024 11:45:47 +1000
Subject: [PATCH 307/450] Rename BracketProcessor to LinkProcessor

It started out limited but now it covers all types of links/images,
knows about destination and title, etc.
---
 .../ext/footnotes/FootnotesExtension.java     |  4 +-
 ...cessor.java => FootnoteLinkProcessor.java} | 28 ++++++-------
 .../commonmark/internal/DocumentParser.java   | 10 ++---
 .../internal/InlineParserContextImpl.java     | 12 +++---
 .../commonmark/internal/InlineParserImpl.java | 42 +++++++++----------
 .../internal/inline/CoreBracketProcessor.java | 39 -----------------
 .../internal/inline/CoreLinkProcessor.java    | 39 +++++++++++++++++
 ...ketResultImpl.java => LinkResultImpl.java} |  8 ++--
 .../parser/InlineParserContext.java           |  4 +-
 .../java/org/commonmark/parser/Parser.java    | 18 ++++----
 .../parser/beta/BracketProcessor.java         |  8 ----
 .../commonmark/parser/beta/BracketResult.java | 20 ---------
 .../beta/{BracketInfo.java => LinkInfo.java}  |  2 +-
 .../commonmark/parser/beta/LinkProcessor.java |  8 ++++
 .../commonmark/parser/beta/LinkResult.java    | 20 +++++++++
 .../test/InlineParserContextTest.java         |  6 +--
 16 files changed, 134 insertions(+), 134 deletions(-)
 rename commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/{FootnoteBracketProcessor.java => FootnoteLinkProcessor.java} (60%)
 delete mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/inline/CoreLinkProcessor.java
 rename commonmark/src/main/java/org/commonmark/internal/inline/{BracketResultImpl.java => LinkResultImpl.java} (76%)
 delete mode 100644 commonmark/src/main/java/org/commonmark/parser/beta/BracketProcessor.java
 delete mode 100644 commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java
 rename commonmark/src/main/java/org/commonmark/parser/beta/{BracketInfo.java => LinkInfo.java} (96%)
 create mode 100644 commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java
 create mode 100644 commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
index 1ec3b0f00..263b52b9c 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
@@ -2,7 +2,7 @@
 
 import org.commonmark.Extension;
 import org.commonmark.ext.footnotes.internal.FootnoteBlockParser;
-import org.commonmark.ext.footnotes.internal.FootnoteBracketProcessor;
+import org.commonmark.ext.footnotes.internal.FootnoteLinkProcessor;
 import org.commonmark.ext.footnotes.internal.FootnoteHtmlNodeRenderer;
 import org.commonmark.ext.footnotes.internal.FootnoteMarkdownNodeRenderer;
 import org.commonmark.parser.Parser;
@@ -32,7 +32,7 @@ public static Extension create() {
     public void extend(Parser.Builder parserBuilder) {
         parserBuilder
                 .customBlockParserFactory(new FootnoteBlockParser.Factory())
-                .bracketProcessor(new FootnoteBracketProcessor());
+                .linkProcessor(new FootnoteLinkProcessor());
     }
 
     @Override
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
similarity index 60%
rename from commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
rename to commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
index c05800b29..1af57893f 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBracketProcessor.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
@@ -4,29 +4,29 @@
 import org.commonmark.ext.footnotes.FootnoteReference;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParserContext;
-import org.commonmark.parser.beta.BracketInfo;
-import org.commonmark.parser.beta.BracketProcessor;
-import org.commonmark.parser.beta.BracketResult;
+import org.commonmark.parser.beta.LinkInfo;
+import org.commonmark.parser.beta.LinkProcessor;
+import org.commonmark.parser.beta.LinkResult;
 import org.commonmark.parser.beta.Scanner;
 
-public class FootnoteBracketProcessor implements BracketProcessor {
+public class FootnoteLinkProcessor implements LinkProcessor {
     @Override
-    public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlineParserContext context) {
-        if (bracketInfo.destination() != null) {
+    public LinkResult process(LinkInfo linkInfo, Scanner scanner, InlineParserContext context) {
+        if (linkInfo.destination() != null) {
             // If it's an inline link, it can't be a footnote reference
-            return BracketResult.none();
+            return LinkResult.none();
         }
 
-        var text = bracketInfo.text();
+        var text = linkInfo.text();
         if (!text.startsWith("^")) {
             // Footnote reference needs to start with [^
-            return BracketResult.none();
+            return LinkResult.none();
         }
 
-        if (bracketInfo.label() != null && context.getDefinition(LinkReferenceDefinition.class, bracketInfo.label()) != null) {
+        if (linkInfo.label() != null && context.getDefinition(LinkReferenceDefinition.class, linkInfo.label()) != null) {
             // If there's a label after the text and the label has a definition -> it's a link, and it should take
             // preference, e.g. in `[^foo][bar]` if `[bar]` has a definition, `[^foo]` won't be a footnote reference.
-            return BracketResult.none();
+            return LinkResult.none();
         }
 
         var label = text.substring(1);
@@ -34,12 +34,12 @@ public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlinePar
         // Note that the definition parser already checked the syntax of the label, we don't need to check again.
         var def = context.getDefinition(FootnoteDefinition.class, label);
         if (def == null) {
-            return BracketResult.none();
+            return LinkResult.none();
         }
 
         // For footnotes, we only ever consume the text part of the link, not the label part (if any)
-        var position = bracketInfo.afterTextBracket();
+        var position = linkInfo.afterTextBracket();
         // If the marker is `![`, we don't want to include the `!`, so start from bracket
-        return BracketResult.replaceWith(new FootnoteReference(label), position).startFromBracket();
+        return LinkResult.replaceWith(new FootnoteReference(label), position).startFromBracket();
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index cff40486b..0556626cf 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -6,7 +6,7 @@
 import org.commonmark.parser.InlineParserFactory;
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.SourceLines;
-import org.commonmark.parser.beta.BracketProcessor;
+import org.commonmark.parser.beta.LinkProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.block.*;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
@@ -73,7 +73,7 @@ public class DocumentParser implements ParserState {
     private final InlineParserFactory inlineParserFactory;
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
-    private final List<BracketProcessor> bracketProcessors;
+    private final List<LinkProcessor> linkProcessors;
     private final IncludeSourceSpans includeSourceSpans;
     private final DocumentBlockParser documentBlockParser;
     private final Definitions definitions = new Definitions();
@@ -83,12 +83,12 @@ public class DocumentParser implements ParserState {
 
     public DocumentParser(List<BlockParserFactory> blockParserFactories, InlineParserFactory inlineParserFactory,
                           List<InlineContentParserFactory> inlineContentParserFactories, List<DelimiterProcessor> delimiterProcessors,
-                          List<BracketProcessor> bracketProcessors, IncludeSourceSpans includeSourceSpans) {
+                          List<LinkProcessor> linkProcessors, IncludeSourceSpans includeSourceSpans) {
         this.blockParserFactories = blockParserFactories;
         this.inlineParserFactory = inlineParserFactory;
         this.inlineContentParserFactories = inlineContentParserFactories;
         this.delimiterProcessors = delimiterProcessors;
-        this.bracketProcessors = bracketProcessors;
+        this.linkProcessors = linkProcessors;
         this.includeSourceSpans = includeSourceSpans;
 
         this.documentBlockParser = new DocumentBlockParser();
@@ -466,7 +466,7 @@ private BlockStartImpl findBlockStart(BlockParser blockParser) {
      * Walk through a block & children recursively, parsing string content into inline content where appropriate.
      */
     private void processInlines() {
-        var context = new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, bracketProcessors, definitions);
+        var context = new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, linkProcessors, definitions);
         var inlineParser = inlineParserFactory.create(context);
 
         for (var blockParser : allBlockParsers) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
index 79fe2a56a..2f03b2052 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
@@ -2,7 +2,7 @@
 
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParserContext;
-import org.commonmark.parser.beta.BracketProcessor;
+import org.commonmark.parser.beta.LinkProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
@@ -12,16 +12,16 @@ public class InlineParserContextImpl implements InlineParserContext {
 
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
-    private final List<BracketProcessor> bracketProcessors;
+    private final List<LinkProcessor> linkProcessors;
     private final Definitions definitions;
 
     public InlineParserContextImpl(List<InlineContentParserFactory> inlineContentParserFactories,
                                    List<DelimiterProcessor> delimiterProcessors,
-                                   List<BracketProcessor> bracketProcessors,
+                                   List<LinkProcessor> linkProcessors,
                                    Definitions definitions) {
         this.inlineContentParserFactories = inlineContentParserFactories;
         this.delimiterProcessors = delimiterProcessors;
-        this.bracketProcessors = bracketProcessors;
+        this.linkProcessors = linkProcessors;
         this.definitions = definitions;
     }
 
@@ -36,8 +36,8 @@ public List<DelimiterProcessor> getCustomDelimiterProcessors() {
     }
 
     @Override
-    public List<BracketProcessor> getCustomBracketProcessors() {
-        return bracketProcessors;
+    public List<LinkProcessor> getCustomLinkProcessors() {
+        return linkProcessors;
     }
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 22c8181b3..a252ed9f0 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -19,7 +19,7 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
     private final InlineParserContext context;
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final Map<Character, DelimiterProcessor> delimiterProcessors;
-    private final List<BracketProcessor> bracketProcessors;
+    private final List<LinkProcessor> linkProcessors;
     private final BitSet specialCharacters;
 
     private Map<Character, List<InlineContentParser>> inlineParsers;
@@ -42,7 +42,7 @@ public InlineParserImpl(InlineParserContext context) {
         this.context = context;
         this.inlineContentParserFactories = calculateInlineContentParserFactories(context.getCustomInlineContentParserFactories());
         this.delimiterProcessors = calculateDelimiterProcessors(context.getCustomDelimiterProcessors());
-        this.bracketProcessors = calculateBracketProcessors(context.getCustomBracketProcessors());
+        this.linkProcessors = calculateLinkProcessors(context.getCustomLinkProcessors());
         this.specialCharacters = calculateSpecialCharacters(this.delimiterProcessors.keySet(), this.inlineContentParserFactories);
     }
 
@@ -57,10 +57,10 @@ private List<InlineContentParserFactory> calculateInlineContentParserFactories(L
         return list;
     }
 
-    private List<BracketProcessor> calculateBracketProcessors(List<BracketProcessor> bracketProcessors) {
-        // Custom bracket processors can override the built-in behavior, so make sure they are tried first
-        var list = new ArrayList<>(bracketProcessors);
-        list.add(new CoreBracketProcessor());
+    private List<LinkProcessor> calculateLinkProcessors(List<LinkProcessor> linkProcessors) {
+        // Custom link processors can override the built-in behavior, so make sure they are tried first
+        var list = new ArrayList<>(linkProcessors);
+        list.add(new CoreLinkProcessor());
         return list;
     }
 
@@ -329,15 +329,15 @@ private Node parseLinkOrImage(Bracket opener, Position beforeClose) {
         }
         var processorStartPosition = scanner.position();
 
-        for (var bracketProcessor : bracketProcessors) {
-            var bracketResult = bracketProcessor.process(bracketInfo, scanner, context);
-            if (!(bracketResult instanceof BracketResultImpl)) {
+        for (var linkProcessor : linkProcessors) {
+            var linkResult = linkProcessor.process(bracketInfo, scanner, context);
+            if (!(linkResult instanceof LinkResultImpl)) {
                 // Reset position in case the processor used the scanner, and it didn't work out.
                 scanner.setPosition(processorStartPosition);
                 continue;
             }
 
-            var result = (BracketResultImpl) bracketResult;
+            var result = (LinkResultImpl) linkResult;
             var node = result.getNode();
             var position = result.getPosition();
             var startFromBracket = result.isStartFromBracket();
@@ -355,7 +355,7 @@ private Node parseLinkOrImage(Bracket opener, Position beforeClose) {
         return null;
     }
 
-    private BracketInfo parseBracketInfo(Bracket opener, Position beforeClose) {
+    private LinkInfo parseBracketInfo(Bracket opener, Position beforeClose) {
         // Check to see if we have a link (or image, with a ! in front). The different types:
         // - Inline:       `[foo](/uri)` or with optional title `[foo](/uri "title")`
         // - Reference links
@@ -363,7 +363,7 @@ private BracketInfo parseBracketInfo(Bracket opener, Position beforeClose) {
         //   - Collapsed: `[foo][]`    (foo is both the text and label)
         //   - Shortcut:  `[foo]`      (foo is both the text and label)
 
-        var openerType = opener.image ? BracketInfo.OpenerType.IMAGE : BracketInfo.OpenerType.LINK;
+        var openerType = opener.image ? LinkInfo.OpenerType.IMAGE : LinkInfo.OpenerType.LINK;
         String text = scanner.getSource(opener.contentPosition, beforeClose).getContent();
 
         // Starting position is after the closing `]`
@@ -372,7 +372,7 @@ private BracketInfo parseBracketInfo(Bracket opener, Position beforeClose) {
         // Maybe an inline link/image
         var destinationTitle = parseInlineDestinationTitle(scanner);
         if (destinationTitle != null) {
-            return new BracketInfoImpl(openerType, null, text, null, destinationTitle.destination, destinationTitle.title, afterClose);
+            return new LinkInfoImpl(openerType, null, text, null, destinationTitle.destination, destinationTitle.title, afterClose);
         }
         // Not an inline link/image, rewind back to after `]`.
         scanner.setPosition(afterClose);
@@ -388,17 +388,17 @@ private BracketInfo parseBracketInfo(Bracket opener, Position beforeClose) {
             scanner.setPosition(afterClose);
         }
         var referenceType = label == null ?
-                BracketInfo.ReferenceType.SHORTCUT : label.isEmpty() ?
-                BracketInfo.ReferenceType.COLLAPSED :
-                BracketInfo.ReferenceType.FULL;
-        if ((referenceType == BracketInfo.ReferenceType.SHORTCUT || referenceType == BracketInfo.ReferenceType.COLLAPSED)
+                LinkInfo.ReferenceType.SHORTCUT : label.isEmpty() ?
+                LinkInfo.ReferenceType.COLLAPSED :
+                LinkInfo.ReferenceType.FULL;
+        if ((referenceType == LinkInfo.ReferenceType.SHORTCUT || referenceType == LinkInfo.ReferenceType.COLLAPSED)
                 && opener.bracketAfter) {
             // In case of SHORTCUT or COLLAPSED, the text is used as the reference. But the reference is not allowed to
             // contain an unescaped bracket, so if that's the case we don't need to continue. This is an optimization.
             return null;
         }
 
-        return new BracketInfoImpl(openerType, referenceType, text, label, null, null, afterClose);
+        return new LinkInfoImpl(openerType, referenceType, text, label, null, null, afterClose);
     }
 
     private Node wrapBracket(Bracket opener, Node wrapperNode, boolean startFromBracket) {
@@ -880,7 +880,7 @@ public DestinationTitle(String destination, String title) {
         }
     }
 
-    private static class BracketInfoImpl implements BracketInfo {
+    private static class LinkInfoImpl implements LinkInfo {
 
         private final OpenerType openerType;
         private final ReferenceType referenceType;
@@ -890,8 +890,8 @@ private static class BracketInfoImpl implements BracketInfo {
         private final String title;
         private final Position afterTextBracket;
 
-        private BracketInfoImpl(OpenerType openerType, ReferenceType referenceType, String text, String label,
-                                String destination, String title, Position afterTextBracket) {
+        private LinkInfoImpl(OpenerType openerType, ReferenceType referenceType, String text, String label,
+                             String destination, String title, Position afterTextBracket) {
             this.openerType = openerType;
             this.referenceType = referenceType;
             this.text = text;
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java b/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
deleted file mode 100644
index 83040302b..000000000
--- a/commonmark/src/main/java/org/commonmark/internal/inline/CoreBracketProcessor.java
+++ /dev/null
@@ -1,39 +0,0 @@
-package org.commonmark.internal.inline;
-
-import org.commonmark.node.Image;
-import org.commonmark.node.Link;
-import org.commonmark.node.LinkReferenceDefinition;
-import org.commonmark.node.Node;
-import org.commonmark.parser.InlineParserContext;
-import org.commonmark.parser.beta.BracketInfo;
-import org.commonmark.parser.beta.BracketProcessor;
-import org.commonmark.parser.beta.BracketResult;
-import org.commonmark.parser.beta.Scanner;
-
-public class CoreBracketProcessor implements BracketProcessor {
-
-    @Override
-    public BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlineParserContext context) {
-        if (bracketInfo.destination() != null) {
-            // Inline link
-            var node = createNode(bracketInfo, bracketInfo.destination(), bracketInfo.title());
-            return BracketResult.wrapTextIn(node, scanner.position());
-        }
-
-        var label = bracketInfo.label();
-        var ref = label != null && !label.isEmpty() ? label : bracketInfo.text();
-        var def = context.getDefinition(LinkReferenceDefinition.class, ref);
-        if (def != null) {
-            // Reference link
-            var node = createNode(bracketInfo, def.getDestination(), def.getTitle());
-            return BracketResult.wrapTextIn(node, scanner.position());
-        }
-        return BracketResult.none();
-    }
-
-    private static Node createNode(BracketInfo bracketInfo, String destination, String title) {
-        return bracketInfo.openerType() == BracketInfo.OpenerType.IMAGE ?
-                new Image(destination, title) :
-                new Link(destination, title);
-    }
-}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/CoreLinkProcessor.java b/commonmark/src/main/java/org/commonmark/internal/inline/CoreLinkProcessor.java
new file mode 100644
index 000000000..896b375da
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/CoreLinkProcessor.java
@@ -0,0 +1,39 @@
+package org.commonmark.internal.inline;
+
+import org.commonmark.node.Image;
+import org.commonmark.node.Link;
+import org.commonmark.node.LinkReferenceDefinition;
+import org.commonmark.node.Node;
+import org.commonmark.parser.InlineParserContext;
+import org.commonmark.parser.beta.LinkInfo;
+import org.commonmark.parser.beta.LinkProcessor;
+import org.commonmark.parser.beta.LinkResult;
+import org.commonmark.parser.beta.Scanner;
+
+public class CoreLinkProcessor implements LinkProcessor {
+
+    @Override
+    public LinkResult process(LinkInfo linkInfo, Scanner scanner, InlineParserContext context) {
+        if (linkInfo.destination() != null) {
+            // Inline link
+            var node = createNode(linkInfo, linkInfo.destination(), linkInfo.title());
+            return LinkResult.wrapTextIn(node, scanner.position());
+        }
+
+        var label = linkInfo.label();
+        var ref = label != null && !label.isEmpty() ? label : linkInfo.text();
+        var def = context.getDefinition(LinkReferenceDefinition.class, ref);
+        if (def != null) {
+            // Reference link
+            var node = createNode(linkInfo, def.getDestination(), def.getTitle());
+            return LinkResult.wrapTextIn(node, scanner.position());
+        }
+        return LinkResult.none();
+    }
+
+    private static Node createNode(LinkInfo linkInfo, String destination, String title) {
+        return linkInfo.openerType() == LinkInfo.OpenerType.IMAGE ?
+                new Image(destination, title) :
+                new Link(destination, title);
+    }
+}
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/BracketResultImpl.java b/commonmark/src/main/java/org/commonmark/internal/inline/LinkResultImpl.java
similarity index 76%
rename from commonmark/src/main/java/org/commonmark/internal/inline/BracketResultImpl.java
rename to commonmark/src/main/java/org/commonmark/internal/inline/LinkResultImpl.java
index 5a0f18515..d51f2f4cf 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/BracketResultImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/LinkResultImpl.java
@@ -1,12 +1,12 @@
 package org.commonmark.internal.inline;
 
 import org.commonmark.node.Node;
-import org.commonmark.parser.beta.BracketResult;
+import org.commonmark.parser.beta.LinkResult;
 import org.commonmark.parser.beta.Position;
 
-public class BracketResultImpl implements BracketResult {
+public class LinkResultImpl implements LinkResult {
     @Override
-    public BracketResult startFromBracket() {
+    public LinkResult startFromBracket() {
         startFromBracket = true;
         return this;
     }
@@ -22,7 +22,7 @@ public enum Type {
 
     private boolean startFromBracket;
 
-    public BracketResultImpl(Type type, Node node, Position position) {
+    public LinkResultImpl(Type type, Node node, Position position) {
         this.type = type;
         this.node = node;
         this.position = position;
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
index 4a2951e70..1f428d22c 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
@@ -1,7 +1,7 @@
 package org.commonmark.parser;
 
 import org.commonmark.node.LinkReferenceDefinition;
-import org.commonmark.parser.beta.BracketProcessor;
+import org.commonmark.parser.beta.LinkProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
@@ -27,7 +27,7 @@ public interface InlineParserContext {
     /**
      * TODO
      */
-    List<BracketProcessor> getCustomBracketProcessors();
+    List<LinkProcessor> getCustomLinkProcessors();
 
     /**
      * Look up a {@link LinkReferenceDefinition} for a given label.
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index e09d45da3..c65680a40 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -6,7 +6,7 @@
 import org.commonmark.internal.InlineParserContextImpl;
 import org.commonmark.internal.InlineParserImpl;
 import org.commonmark.node.*;
-import org.commonmark.parser.beta.BracketProcessor;
+import org.commonmark.parser.beta.LinkProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.block.BlockParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
@@ -33,7 +33,7 @@ public class Parser {
     private final List<BlockParserFactory> blockParserFactories;
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
-    private final List<BracketProcessor> bracketProcessors;
+    private final List<LinkProcessor> linkProcessors;
     private final InlineParserFactory inlineParserFactory;
     private final List<PostProcessor> postProcessors;
     private final IncludeSourceSpans includeSourceSpans;
@@ -44,13 +44,13 @@ private Parser(Builder builder) {
         this.postProcessors = builder.postProcessors;
         this.inlineContentParserFactories = builder.inlineContentParserFactories;
         this.delimiterProcessors = builder.delimiterProcessors;
-        this.bracketProcessors = builder.bracketProcessors;
+        this.linkProcessors = builder.linkProcessors;
         this.includeSourceSpans = builder.includeSourceSpans;
 
         // Try to construct an inline parser. Invalid configuration might result in an exception, which we want to
         // detect as soon as possible.
         var context = new InlineParserContextImpl(
-                inlineContentParserFactories, delimiterProcessors, bracketProcessors, new Definitions());
+                inlineContentParserFactories, delimiterProcessors, linkProcessors, new Definitions());
         this.inlineParserFactory.create(context);
     }
 
@@ -105,7 +105,7 @@ public Node parseReader(Reader input) throws IOException {
 
     private DocumentParser createDocumentParser() {
         return new DocumentParser(blockParserFactories, inlineParserFactory, inlineContentParserFactories,
-                delimiterProcessors, bracketProcessors, includeSourceSpans);
+                delimiterProcessors, linkProcessors, includeSourceSpans);
     }
 
     private Node postProcess(Node document) {
@@ -122,7 +122,7 @@ public static class Builder {
         private final List<BlockParserFactory> blockParserFactories = new ArrayList<>();
         private final List<InlineContentParserFactory> inlineContentParserFactories = new ArrayList<>();
         private final List<DelimiterProcessor> delimiterProcessors = new ArrayList<>();
-        private final List<BracketProcessor> bracketProcessors = new ArrayList<>();
+        private final List<LinkProcessor> linkProcessors = new ArrayList<>();
         private final List<PostProcessor> postProcessors = new ArrayList<>();
         private Set<Class<? extends Block>> enabledBlockTypes = DocumentParser.getDefaultBlockParserTypes();
         private InlineParserFactory inlineParserFactory;
@@ -250,9 +250,9 @@ public Builder customDelimiterProcessor(DelimiterProcessor delimiterProcessor) {
         /**
          * TODO
          */
-        public Builder bracketProcessor(BracketProcessor bracketProcessor) {
-            Objects.requireNonNull(bracketProcessor, "bracketProcessor must not be null");
-            bracketProcessors.add(bracketProcessor);
+        public Builder linkProcessor(LinkProcessor linkProcessor) {
+            Objects.requireNonNull(linkProcessor, "linkProcessor must not be null");
+            linkProcessors.add(linkProcessor);
             return this;
         }
 
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/BracketProcessor.java b/commonmark/src/main/java/org/commonmark/parser/beta/BracketProcessor.java
deleted file mode 100644
index 5d7aae236..000000000
--- a/commonmark/src/main/java/org/commonmark/parser/beta/BracketProcessor.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package org.commonmark.parser.beta;
-
-import org.commonmark.parser.InlineParserContext;
-
-public interface BracketProcessor {
-
-    BracketResult process(BracketInfo bracketInfo, Scanner scanner, InlineParserContext context);
-}
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java b/commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java
deleted file mode 100644
index e9571391b..000000000
--- a/commonmark/src/main/java/org/commonmark/parser/beta/BracketResult.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package org.commonmark.parser.beta;
-
-import org.commonmark.internal.inline.BracketResultImpl;
-import org.commonmark.node.Node;
-
-public interface BracketResult {
-    static BracketResult none() {
-        return null;
-    }
-
-    static BracketResult wrapTextIn(Node node, Position position) {
-        return new BracketResultImpl(BracketResultImpl.Type.WRAP, node, position);
-    }
-
-    static BracketResult replaceWith(Node node, Position position) {
-        return new BracketResultImpl(BracketResultImpl.Type.REPLACE, node, position);
-    }
-
-    BracketResult startFromBracket();
-}
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java b/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
similarity index 96%
rename from commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java
rename to commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
index cdeea92cc..7dea28d96 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/BracketInfo.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
@@ -1,6 +1,6 @@
 package org.commonmark.parser.beta;
 
-public interface BracketInfo {
+public interface LinkInfo {
     enum OpenerType {
         // An image (a `!` before the `[`)
         IMAGE,
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java b/commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java
new file mode 100644
index 000000000..6d5a1cfaf
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java
@@ -0,0 +1,8 @@
+package org.commonmark.parser.beta;
+
+import org.commonmark.parser.InlineParserContext;
+
+public interface LinkProcessor {
+
+    LinkResult process(LinkInfo linkInfo, Scanner scanner, InlineParserContext context);
+}
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java b/commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java
new file mode 100644
index 000000000..69a3bebc5
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java
@@ -0,0 +1,20 @@
+package org.commonmark.parser.beta;
+
+import org.commonmark.internal.inline.LinkResultImpl;
+import org.commonmark.node.Node;
+
+public interface LinkResult {
+    static LinkResult none() {
+        return null;
+    }
+
+    static LinkResult wrapTextIn(Node node, Position position) {
+        return new LinkResultImpl(LinkResultImpl.Type.WRAP, node, position);
+    }
+
+    static LinkResult replaceWith(Node node, Position position) {
+        return new LinkResultImpl(LinkResultImpl.Type.REPLACE, node, position);
+    }
+
+    LinkResult startFromBracket();
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
index 07b94c076..264eb35d6 100644
--- a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
@@ -1,7 +1,7 @@
 package org.commonmark.test;
 
 import org.commonmark.internal.InlineParserImpl;
-import org.commonmark.parser.beta.BracketProcessor;
+import org.commonmark.parser.beta.LinkProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.InlineParser;
@@ -53,8 +53,8 @@ public List<DelimiterProcessor> getCustomDelimiterProcessors() {
                 }
 
                 @Override
-                public List<BracketProcessor> getCustomBracketProcessors() {
-                    return inlineParserContext.getCustomBracketProcessors();
+                public List<LinkProcessor> getCustomLinkProcessors() {
+                    return inlineParserContext.getCustomLinkProcessors();
                 }
 
                 @Override

From a2258faba36836c97c862e96988ad9d2f7fe9cab Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 29 Jun 2024 15:03:24 +1000
Subject: [PATCH 308/450] Remove unused ReferenceType, add docs

---
 .../commonmark/internal/InlineParserImpl.java | 31 +++++----------
 .../org/commonmark/parser/beta/LinkInfo.java  | 39 ++++++++++++++-----
 2 files changed, 40 insertions(+), 30 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index a252ed9f0..bf6ac7b62 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -323,14 +323,14 @@ private Node parseCloseBracket() {
     }
 
     private Node parseLinkOrImage(Bracket opener, Position beforeClose) {
-        var bracketInfo = parseBracketInfo(opener, beforeClose);
-        if (bracketInfo == null) {
+        var linkInfo = parseLinkInfo(opener, beforeClose);
+        if (linkInfo == null) {
             return null;
         }
         var processorStartPosition = scanner.position();
 
         for (var linkProcessor : linkProcessors) {
-            var linkResult = linkProcessor.process(bracketInfo, scanner, context);
+            var linkResult = linkProcessor.process(linkInfo, scanner, context);
             if (!(linkResult instanceof LinkResultImpl)) {
                 // Reset position in case the processor used the scanner, and it didn't work out.
                 scanner.setPosition(processorStartPosition);
@@ -355,7 +355,7 @@ private Node parseLinkOrImage(Bracket opener, Position beforeClose) {
         return null;
     }
 
-    private LinkInfo parseBracketInfo(Bracket opener, Position beforeClose) {
+    private LinkInfo parseLinkInfo(Bracket opener, Position beforeClose) {
         // Check to see if we have a link (or image, with a ! in front). The different types:
         // - Inline:       `[foo](/uri)` or with optional title `[foo](/uri "title")`
         // - Reference links
@@ -372,7 +372,7 @@ private LinkInfo parseBracketInfo(Bracket opener, Position beforeClose) {
         // Maybe an inline link/image
         var destinationTitle = parseInlineDestinationTitle(scanner);
         if (destinationTitle != null) {
-            return new LinkInfoImpl(openerType, null, text, null, destinationTitle.destination, destinationTitle.title, afterClose);
+            return new LinkInfoImpl(openerType, text, null, destinationTitle.destination, destinationTitle.title, afterClose);
         }
         // Not an inline link/image, rewind back to after `]`.
         scanner.setPosition(afterClose);
@@ -387,18 +387,14 @@ private LinkInfo parseBracketInfo(Bracket opener, Position beforeClose) {
             // No label, rewind back
             scanner.setPosition(afterClose);
         }
-        var referenceType = label == null ?
-                LinkInfo.ReferenceType.SHORTCUT : label.isEmpty() ?
-                LinkInfo.ReferenceType.COLLAPSED :
-                LinkInfo.ReferenceType.FULL;
-        if ((referenceType == LinkInfo.ReferenceType.SHORTCUT || referenceType == LinkInfo.ReferenceType.COLLAPSED)
-                && opener.bracketAfter) {
-            // In case of SHORTCUT or COLLAPSED, the text is used as the reference. But the reference is not allowed to
+        var textIsReference = label == null || label.isEmpty();
+        if (opener.bracketAfter && textIsReference) {
+            // In case of shortcut or collapsed links, the text is used as the reference. But the reference is not allowed to
             // contain an unescaped bracket, so if that's the case we don't need to continue. This is an optimization.
             return null;
         }
 
-        return new LinkInfoImpl(openerType, referenceType, text, label, null, null, afterClose);
+        return new LinkInfoImpl(openerType, text, label, null, null, afterClose);
     }
 
     private Node wrapBracket(Bracket opener, Node wrapperNode, boolean startFromBracket) {
@@ -883,17 +879,15 @@ public DestinationTitle(String destination, String title) {
     private static class LinkInfoImpl implements LinkInfo {
 
         private final OpenerType openerType;
-        private final ReferenceType referenceType;
         private final String text;
         private final String label;
         private final String destination;
         private final String title;
         private final Position afterTextBracket;
 
-        private LinkInfoImpl(OpenerType openerType, ReferenceType referenceType, String text, String label,
+        private LinkInfoImpl(OpenerType openerType, String text, String label,
                              String destination, String title, Position afterTextBracket) {
             this.openerType = openerType;
-            this.referenceType = referenceType;
             this.text = text;
             this.label = label;
             this.destination = destination;
@@ -906,11 +900,6 @@ public OpenerType openerType() {
             return openerType;
         }
 
-        @Override
-        public ReferenceType referenceType() {
-            return referenceType;
-        }
-
         @Override
         public String text() {
             return text;
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java b/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
index 7dea28d96..47dd8a9ea 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
@@ -1,5 +1,27 @@
 package org.commonmark.parser.beta;
 
+/**
+ * A parsed link or image. There are different types of links.
+ * <p>
+ * Inline links:
+ * <pre>
+ * [text](destination)
+ * [text](destination "title")
+ * </pre>
+ * <p>
+ * Reference links, which have different subtypes. Full::
+ * <pre>
+ * [text][label]
+ * </pre>
+ * Collapsed (label is ""):
+ * <pre>
+ * [text][]
+ * </pre>
+ * Shortcut (label is null):
+ * <pre>
+ * [text]
+ * </pre>
+ */
 public interface LinkInfo {
     enum OpenerType {
         // An image (a `!` before the `[`)
@@ -8,24 +30,16 @@ enum OpenerType {
         LINK
     }
 
-    enum ReferenceType {
-        FULL,
-        COLLAPSED,
-        SHORTCUT
-    }
-
     // TODO: We could also expose the opener Text (`[` or `![`)
     OpenerType openerType();
 
-    ReferenceType referenceType();
-
     /**
      * The text between the first brackets, e.g. `foo` in `[foo][bar]`.
      */
     String text();
 
     /**
-     * The label, or null for shortcut links (in which case {@link #text()} should be used as the label).
+     * The label, or null for inline links or for shortcut links (in which case {@link #text()} should be used as the label).
      */
     String label();
 
@@ -39,5 +53,12 @@ enum ReferenceType {
      */
     String title();
 
+    /**
+     * The position after the text bracket, e.g.:
+     * <pre>
+     * [foo][bar]
+     *      ^
+     * </pre>
+     */
     Position afterTextBracket();
 }

From f028716e716ebecad518a3c14db3f0ecdd58e6af Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 30 Jun 2024 21:54:14 +1000
Subject: [PATCH 309/450] Skip spaces after colon in definition

---
 .../footnotes/internal/FootnoteBlockParser.java  |  5 ++++-
 .../commonmark/ext/footnotes/FootnotesTest.java  | 16 ++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
index dabaf599d..f3a9dc73f 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
@@ -4,6 +4,7 @@
 import org.commonmark.node.Block;
 import org.commonmark.node.DefinitionMap;
 import org.commonmark.parser.block.*;
+import org.commonmark.text.Characters;
 
 import java.util.List;
 
@@ -76,7 +77,9 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
                     case ']':
                         if (index > labelStart && index + 1 < content.length() && content.charAt(index + 1) == ':') {
                             var label = content.subSequence(labelStart, index).toString();
-                            return BlockStart.of(new FootnoteBlockParser(label)).atIndex(index + 2);
+                            // After the colon, any number of spaces is skipped (not part of the content)
+                            var afterSpaces = Characters.skipSpaceTab(content, index + 2, content.length());
+                            return BlockStart.of(new FootnoteBlockParser(label)).atIndex(afterSpaces);
                         } else {
                             return BlockStart.none();
                         }
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 73e659aa7..fd2dcd43d 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -77,6 +77,22 @@ public void testDefContainsParagraph() {
         assertText("footnote", paragraph.getFirstChild());
     }
 
+    @Test
+    public void testDefBlockStartSpacesAfterColon() {
+        var doc = PARSER.parse("[^1]:        footnote\n");
+        var def = find(doc, FootnoteDefinition.class);
+        var paragraph = (Paragraph) def.getFirstChild();
+        assertText("footnote", paragraph.getFirstChild());
+    }
+
+    @Test
+    public void testDefContainsIndentedCodeBlock() {
+        var doc = PARSER.parse("[^1]:\n        code\n");
+        var def = find(doc, FootnoteDefinition.class);
+        var codeBlock = (IndentedCodeBlock) def.getFirstChild();
+        assertEquals("code\n", codeBlock.getLiteral());
+    }
+
     @Test
     public void testDefContainsMultipleLines() {
         var doc = PARSER.parse("[^1]: footnote\nstill\n");

From 804e83c73ba8fdc0dd7294a45938ba96c63bf480 Mon Sep 17 00:00:00 2001
From: Andy Zhang <37402126+AnzhiZhang@users.noreply.github.com>
Date: Mon, 1 Jul 2024 17:18:36 +0100
Subject: [PATCH 310/450] Update tests for DefaultUrlSanitizer

---
 .../org/commonmark/test/HtmlRendererTest.java | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
index 7aec21ceb..7cc0b036a 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
@@ -93,6 +93,34 @@ public void sanitizedUrlsShouldSetRelNoFollow() {
         assertEquals("<p><a rel=\"nofollow\" href=\"https://google.com\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
     }
 
+    @Test
+    public void sanitizedUrlsShouldAllowSafeProtocols() {
+        Paragraph paragraph = new Paragraph();
+        Link link = new Link();
+        link.setDestination("http://google.com");
+        paragraph.appendChild(link);
+        assertEquals("<p><a rel=\"nofollow\" href=\"http://google.com\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+
+        paragraph = new Paragraph();
+        link = new Link();
+        link.setDestination("https://google.com");
+        paragraph.appendChild(link);
+        assertEquals("<p><a rel=\"nofollow\" href=\"https://google.com\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+
+        paragraph = new Paragraph();
+        link = new Link();
+        link.setDestination("mailto:foo@bar.example.com");
+        paragraph.appendChild(link);
+        assertEquals("<p><a rel=\"nofollow\" href=\"mailto:foo@bar.example.com\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+
+        String image = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAAFiUAABYlAUlSJPAAAAAQSURBVBhXY/iPBVBf8P9/AG8TY51nJdgkAAAAAElFTkSuQmCC";
+        paragraph = new Paragraph();
+        link = new Link();
+        link.setDestination(image);
+        paragraph.appendChild(link);
+        assertEquals("<p><a rel=\"nofollow\" href=\"" + image + "\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+    }
+
     @Test
     public void sanitizedUrlsShouldFilterDangerousProtocols() {
         Paragraph paragraph = new Paragraph();
@@ -100,6 +128,12 @@ public void sanitizedUrlsShouldFilterDangerousProtocols() {
         link.setDestination("javascript:alert(5);");
         paragraph.appendChild(link);
         assertEquals("<p><a rel=\"nofollow\" href=\"\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+
+        paragraph = new Paragraph();
+        link = new Link();
+        link.setDestination("ftp://google.com");
+        paragraph.appendChild(link);
+        assertEquals("<p><a rel=\"nofollow\" href=\"\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
     }
 
     @Test

From 3388891e196bcecab8cff943c7c8b33790f0e5f0 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 3 Jul 2024 22:18:16 +1000
Subject: [PATCH 311/450] Support nested footnotes

This turned out to be tricky, and GitHub gets some of it wrong.
If anyone ever wants us to be bug-compatible, it should be relatively
straightforward to emulate GitHub by just running the initial reference
search over everything (including definitions) and then not bothering
with finding more at the end.
---
 .../internal/FootnoteHtmlNodeRenderer.java    | 162 ++++++++++++++----
 .../footnotes/FootnoteHtmlRendererTest.java   | 122 +++++++++++++
 2 files changed, 250 insertions(+), 34 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
index 17a46af0a..7146281ce 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
@@ -8,6 +8,7 @@
 import org.commonmark.renderer.html.HtmlWriter;
 
 import java.util.*;
+import java.util.function.Consumer;
 
 /**
  * HTML rendering for footnotes.
@@ -38,6 +39,11 @@ public class FootnoteHtmlNodeRenderer implements NodeRenderer {
      */
     private final Map<FootnoteDefinition, ReferencedDefinition> referencedDefinitions = new LinkedHashMap<>();
 
+    /**
+     * Information about references that should be rendered as footnotes.
+     */
+    private final Map<FootnoteReference, ReferenceInfo> references = new HashMap<>();
+
     public FootnoteHtmlNodeRenderer(HtmlNodeRendererContext context) {
         this.html = context.getWriter();
         this.context = context;
@@ -51,23 +57,69 @@ public Set<Class<? extends Node>> getNodeTypes() {
     @Override
     public void beforeRoot(Node node) {
         // Collect definitions so we can look them up when encountering a reference later
-        var visitor = new FootnotesVisitor();
+        var visitor = new DefinitionVisitor();
         node.accept(visitor);
         definitionMap = visitor.definitions;
+
+        // Register references in the main text. References inside definitions will be done later.
+        node.accept(new ReferenceVisitor(false, this::registerReference));
     }
 
     @Override
     public void render(Node node) {
         if (node instanceof FootnoteReference) {
-            renderReference((FootnoteReference) node);
+            var ref = (FootnoteReference) node;
+            // This is called for all references, even ones inside definitions that we render at the end.
+            renderReference(ref, references.get(ref));
+        }
+    }
+
+    @Override
+    public void afterRoot(Node node) {
+        // Now render the referenced definitions if there are any.
+        if (referencedDefinitions.isEmpty()) {
+            return;
+        }
+
+        var firstDef = referencedDefinitions.keySet().iterator().next();
+        var attrs = new LinkedHashMap<String, String>();
+        attrs.put("class", "footnotes");
+        attrs.put("data-footnotes", null);
+        html.tag("section", context.extendAttributes(firstDef, "section", attrs));
+        html.line();
+        html.tag("ol");
+        html.line();
+
+        // Check whether there are any footnotes inside the definitions that we're about to render. For those, we might
+        // need to render more definitions. So do a breadth-first search to find all relevant definition.
+        var check = new LinkedList<>(referencedDefinitions.keySet());
+        while (!check.isEmpty()) {
+            var def = check.removeFirst();
+            def.accept(new ReferenceVisitor(true, ref -> {
+                var d = definitionMap.get(ref.getLabel());
+                if (d != null) {
+                    if (!referencedDefinitions.containsKey(d)) {
+                        check.addLast(d);
+                    }
+                    registerReference(ref);
+                }
+            }));
         }
+
+        for (var entry : referencedDefinitions.entrySet()) {
+            // This will also render any footnote references inside definitions
+            renderDefinition(entry.getKey(), entry.getValue());
+        }
+
+        html.tag("/ol");
+        html.line();
+        html.tag("/section");
+        html.line();
     }
 
-    private void renderReference(FootnoteReference ref) {
+    private void registerReference(FootnoteReference ref) {
         var def = definitionMap.get(ref.getLabel());
         if (def == null) {
-            // A reference without a corresponding definition is rendered as plain text
-            html.text("[^" + ref.getLabel() + "]");
             return;
         }
 
@@ -81,43 +133,31 @@ private void renderReference(FootnoteReference ref) {
         var id = referenceId(def.getLabel(), refNumber);
         referencedDef.references.add(id);
 
+        var definitionId = definitionId(def.getLabel());
+
+        references.put(ref, new ReferenceInfo(id, definitionId, definitionNumber));
+    }
+
+    private void renderReference(FootnoteReference ref, ReferenceInfo referenceInfo) {
+        if (referenceInfo == null) {
+            // A reference without a corresponding definition is rendered as plain text
+            html.text("[^" + ref.getLabel() + "]");
+            return;
+        }
+
         html.tag("sup", context.extendAttributes(ref, "sup", Map.of("class", "footnote-ref")));
 
-        var href = "#" + definitionId(def.getLabel());
+        var href = "#" + referenceInfo.definitionId;
         var attrs = new LinkedHashMap<String, String>();
         attrs.put("href", href);
-        attrs.put("id", id);
+        attrs.put("id", referenceInfo.id);
         attrs.put("data-footnote-ref", null);
         html.tag("a", context.extendAttributes(ref, "a", attrs));
-        html.raw(String.valueOf(definitionNumber));
+        html.raw(String.valueOf(referenceInfo.definitionNumber));
         html.tag("/a");
         html.tag("/sup");
     }
 
-    @Override
-    public void afterRoot(Node node) {
-        // Now render the referenced definitions if there are any
-        if (referencedDefinitions.isEmpty()) {
-            return;
-        }
-
-        var firstDef = referencedDefinitions.keySet().iterator().next();
-        var attrs = new LinkedHashMap<String, String>();
-        attrs.put("class", "footnotes");
-        attrs.put("data-footnotes", null);
-        html.tag("section", context.extendAttributes(firstDef, "section", attrs));
-        html.line();
-        html.tag("ol");
-        html.line();
-        for (var entry : referencedDefinitions.entrySet()) {
-            renderDefinition(entry.getKey(), entry.getValue());
-        }
-        html.tag("/ol");
-        html.line();
-        html.tag("/section");
-        html.line();
-    }
-
     private void renderDefinition(FootnoteDefinition def, ReferencedDefinition referencedDefinition) {
         // <ol> etc
         var id = definitionId(def.getLabel());
@@ -127,7 +167,7 @@ private void renderDefinition(FootnoteDefinition def, ReferencedDefinition refer
         html.line();
 
         if (def.getLastChild() instanceof Paragraph) {
-            // Add backlinks into last paragraph before "p". This is what GFM does.
+            // Add backlinks into last paragraph before </p>. This is what GFM does.
             var lastParagraph = (Paragraph) def.getLastChild();
             var node = def.getFirstChild();
             while (node != lastParagraph) {
@@ -205,7 +245,7 @@ private void renderChildren(Node parent) {
         }
     }
 
-    private static class FootnotesVisitor extends AbstractVisitor {
+    private static class DefinitionVisitor extends AbstractVisitor {
 
         private final DefinitionMap<FootnoteDefinition> definitions = new DefinitionMap<>(FootnoteDefinition.class);
 
@@ -214,6 +254,39 @@ public void visit(CustomBlock customBlock) {
             if (customBlock instanceof FootnoteDefinition) {
                 var def = (FootnoteDefinition) customBlock;
                 definitions.putIfAbsent(def.getLabel(), def);
+            } else {
+                super.visit(customBlock);
+            }
+        }
+    }
+
+    private static class ReferenceVisitor extends AbstractVisitor {
+        private final boolean inspectDefinitions;
+        private final Consumer<FootnoteReference> consumer;
+
+        private ReferenceVisitor(boolean inspectDefinitions, Consumer<FootnoteReference> consumer) {
+            this.inspectDefinitions = inspectDefinitions;
+            this.consumer = consumer;
+        }
+
+        @Override
+        public void visit(CustomNode customNode) {
+            if (customNode instanceof FootnoteReference) {
+                var ref = (FootnoteReference) customNode;
+                consumer.accept(ref);
+            } else {
+                super.visit(customNode);
+            }
+        }
+
+        @Override
+        public void visit(CustomBlock customBlock) {
+            if (customBlock instanceof FootnoteDefinition) {
+                if (inspectDefinitions) {
+                    super.visit(customBlock);
+                }
+            } else {
+                super.visit(customBlock);
             }
         }
     }
@@ -232,4 +305,25 @@ private static class ReferencedDefinition {
             this.definitionNumber = definitionNumber;
         }
     }
+
+    private static class ReferenceInfo {
+        /**
+         * The ID of the reference; in the corresponding definition, a link back to this reference will be rendered.
+         */
+        private final String id;
+        /**
+         * The ID of the definition, for linking to the definition.
+         */
+        private final String definitionId;
+        /**
+         * The definition number, rendered in superscript.
+         */
+        private final int definitionNumber;
+
+        private ReferenceInfo(String id, String definitionId, int definitionNumber) {
+            this.id = id;
+            this.definitionId = definitionId;
+            this.definitionNumber = definitionNumber;
+        }
+    }
 }
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
index b47e0ccba..f9746d13c 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
@@ -98,6 +98,128 @@ public void testDefinitionWithList() {
                         "</section>\n");
     }
 
+    // Text in footnote definitions can reference other footnotes, even ones that aren't referenced in the main text.
+    // This makes them tricky because it's not enough to just go through the main text for references.
+    // And before we can render a definition, we need to know all references (because we add links back to references).
+    //
+    // In other words, footnotes form a directed graph. Footnotes can reference each other so cycles are possible too.
+    //
+    // One way to implement it, which is what cmark-gfm does, is to go through the whole document (including definitions)
+    // and find all references in order. That guarantees that all definitions are found, but it has strange results for
+    // ordering or when the reference is in an unreferenced definition, see tests below.
+    // In graph terms, it renders all definitions that have an incoming edge, no matter whether they are connected to
+    // the main text or not.
+    //
+    // The way we implement it is by starting with the footnotes from the main text. Then from the referenced
+    // definitions, run a breadth-first search to find all remaining relevant footnote definitions.
+
+    @Test
+    public void testNestedFootnotesSimple() {
+        assertRendering("[^foo1]\n" +
+                "\n" +
+                "[^foo1]: one [^foo2]\n" +
+                "[^foo2]: two\n", "<p><sup class=\"footnote-ref\"><a href=\"#fn-foo1\" id=\"fnref-foo1\" data-footnote-ref>1</a></sup></p>\n" +
+                "<section class=\"footnotes\" data-footnotes>\n" +
+                "<ol>\n" +
+                "<li id=\"fn-foo1\">\n" +
+                "<p>one <sup class=\"footnote-ref\"><a href=\"#fn-foo2\" id=\"fnref-foo2\" data-footnote-ref>2</a></sup> <a href=\"#fnref-foo1\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                "</li>\n" +
+                "<li id=\"fn-foo2\">\n" +
+                "<p>two <a href=\"#fnref-foo2\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"2\" aria-label=\"Back to reference 2\">↩</a></p>\n" +
+                "</li>\n" +
+                "</ol>\n" +
+                "</section>\n");
+    }
+
+    @Test
+    public void testNestedFootnotesOrder() {
+        // GitHub has a strange result here, the definitions are in order: 1. bar, 2. foo.
+        // The reason is that the number is done based on all references in document order, including references in
+        // definitions. So [^bar] from the first line is first.
+        assertRendering("[^foo]: foo [^bar]\n" +
+                "\n" +
+                "[^foo]\n" +
+                "\n" +
+                "[^bar]: bar\n", "<p><sup class=\"footnote-ref\"><a href=\"#fn-foo\" id=\"fnref-foo\" data-footnote-ref>1</a></sup></p>\n" +
+                "<section class=\"footnotes\" data-footnotes>\n" +
+                "<ol>\n" +
+                "<li id=\"fn-foo\">\n" +
+                "<p>foo <sup class=\"footnote-ref\"><a href=\"#fn-bar\" id=\"fnref-bar\" data-footnote-ref>2</a></sup> <a href=\"#fnref-foo\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                "</li>\n" +
+                "<li id=\"fn-bar\">\n" +
+                "<p>bar <a href=\"#fnref-bar\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"2\" aria-label=\"Back to reference 2\">↩</a></p>\n" +
+                "</li>\n" +
+                "</ol>\n" +
+                "</section>\n");
+    }
+
+    @Test
+    public void testNestedFootnotesOrder2() {
+        assertRendering("[^1]\n" +
+                "\n" +
+                "[^4]: four\n" +
+                "[^3]: three [^4]\n" +
+                "[^2]: two [^4]\n" +
+                "[^1]: one [^2][^3]\n", "<p><sup class=\"footnote-ref\"><a href=\"#fn-1\" id=\"fnref-1\" data-footnote-ref>1</a></sup></p>\n" +
+                "<section class=\"footnotes\" data-footnotes>\n" +
+                "<ol>\n" +
+                "<li id=\"fn-1\">\n" +
+                "<p>one <sup class=\"footnote-ref\"><a href=\"#fn-2\" id=\"fnref-2\" data-footnote-ref>2</a></sup><sup class=\"footnote-ref\"><a href=\"#fn-3\" id=\"fnref-3\" data-footnote-ref>3</a></sup> <a href=\"#fnref-1\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                "</li>\n" +
+                "<li id=\"fn-2\">\n" +
+                "<p>two <sup class=\"footnote-ref\"><a href=\"#fn-4\" id=\"fnref-4\" data-footnote-ref>4</a></sup> <a href=\"#fnref-2\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"2\" aria-label=\"Back to reference 2\">↩</a></p>\n" +
+                "</li>\n" +
+                "<li id=\"fn-3\">\n" +
+                "<p>three <sup class=\"footnote-ref\"><a href=\"#fn-4\" id=\"fnref-4-2\" data-footnote-ref>4</a></sup> <a href=\"#fnref-3\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"3\" aria-label=\"Back to reference 3\">↩</a></p>\n" +
+                "</li>\n" +
+                "<li id=\"fn-4\">\n" +
+                "<p>four <a href=\"#fnref-4\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"4\" aria-label=\"Back to reference 4\">↩</a> <a href=\"#fnref-4-2\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"4-2\" aria-label=\"Back to reference 4-2\"><sup class=\"footnote-ref\">2</sup>↩</a></p>\n" +
+                "</li>\n" +
+                "</ol>\n" +
+                "</section>\n");
+    }
+
+    @Test
+    public void testNestedFootnotesCycle() {
+        // Footnotes can contain cycles, lol.
+        assertRendering("[^foo1]\n" +
+                "\n" +
+                "[^foo1]: one [^foo2]\n" +
+                "[^foo2]: two [^foo1]\n", "<p><sup class=\"footnote-ref\"><a href=\"#fn-foo1\" id=\"fnref-foo1\" data-footnote-ref>1</a></sup></p>\n" +
+                "<section class=\"footnotes\" data-footnotes>\n" +
+                "<ol>\n" +
+                "<li id=\"fn-foo1\">\n" +
+                "<p>one <sup class=\"footnote-ref\"><a href=\"#fn-foo2\" id=\"fnref-foo2\" data-footnote-ref>2</a></sup> <a href=\"#fnref-foo1\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a> <a href=\"#fnref-foo1-2\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1-2\" aria-label=\"Back to reference 1-2\"><sup class=\"footnote-ref\">2</sup>↩</a></p>\n" +
+                "</li>\n" +
+                "<li id=\"fn-foo2\">\n" +
+                "<p>two <sup class=\"footnote-ref\"><a href=\"#fn-foo1\" id=\"fnref-foo1-2\" data-footnote-ref>1</a></sup> <a href=\"#fnref-foo2\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"2\" aria-label=\"Back to reference 2\">↩</a></p>\n" +
+                "</li>\n" +
+                "</ol>\n" +
+                "</section>\n");
+    }
+
+    @Test
+    public void testNestedFootnotesUnreferenced() {
+        // This should not result in any footnotes, as baz itself isn't referenced.
+        // But GitHub renders bar only, with a broken backref, because bar is referenced from foo.
+        assertRendering("[^foo]: foo[^bar]\n" +
+                "[^bar]: bar\n", "");
+
+        // And here only 1 is rendered.
+        assertRendering("[^1]\n" +
+                "\n" +
+                "[^1]: one\n" +
+                "[^foo]: foo[^bar]\n" +
+                "[^bar]: bar\n", "<p><sup class=\"footnote-ref\"><a href=\"#fn-1\" id=\"fnref-1\" data-footnote-ref>1</a></sup></p>\n" +
+                "<section class=\"footnotes\" data-footnotes>\n" +
+                "<ol>\n" +
+                "<li id=\"fn-1\">\n" +
+                "<p>one <a href=\"#fnref-1\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                "</li>\n" +
+                "</ol>\n" +
+                "</section>\n");
+    }
+
     @Test
     public void testRenderNodesDirectly() {
         // Everything should work as expected when rendering from nodes directly (no parsing step).

From 5425f632d071e4b0a23496c1ca060a6a3b5d1212 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 5 Jul 2024 22:36:56 +1000
Subject: [PATCH 312/450] Change footnote visiting, move docs to class

---
 .../internal/FootnoteHtmlNodeRenderer.java    | 62 +++++++++++--------
 .../footnotes/FootnoteHtmlRendererTest.java   | 15 +----
 2 files changed, 37 insertions(+), 40 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
index 7146281ce..dbae3ab90 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
@@ -23,6 +23,29 @@
  * <li>Definitions are ordered by number</li>
  * <li>Definitions have links back to their references (one or more)</li>
  * </ul>
+ *
+ * <h4>Nested footnotes</h4>
+ * Text in footnote definitions can reference other footnotes, even ones that aren't referenced in the main text.
+ * This makes them tricky because it's not enough to just go through the main text for references.
+ * And before we can render a definition, we need to know all references (because we add links back to references).
+ * <p>
+ * In other words, footnotes form a directed graph. Footnotes can reference each other so cycles are possible too.
+ * <p>
+ * One way to implement it, which is what cmark-gfm does, is to go through the whole document (including definitions)
+ * and find all references in order. That guarantees that all definitions are found, but it has strange results for
+ * ordering or when the reference is in an unreferenced definition, see tests. In graph terms, it renders all
+ * definitions that have an incoming edge, no matter whether they are connected to the main text or not.
+ * <p>
+ * The way we implement it:
+ * <ol>
+ * <li>Start with the references in the main text; we can render them as we go</li>
+ * <li>After the main text is rendered, we have the referenced definitions, but there might be more from definition text</li>
+ * <li>To find the remaining definitions, we visit the definitions from before to look at references</li>
+ * <li>Repeat (breadth-first search) until we've found all definitions (note that we can't render before that's done because of backrefs)</li>
+ * <li>Now render the definitions (and any references inside)</li>
+ * </ol>
+ * This means we only render definitions whose references are actually rendered, and in a meaningful order (all main
+ * text footnotes first, then any nested ones).
  */
 public class FootnoteHtmlNodeRenderer implements NodeRenderer {
 
@@ -40,7 +63,8 @@ public class FootnoteHtmlNodeRenderer implements NodeRenderer {
     private final Map<FootnoteDefinition, ReferencedDefinition> referencedDefinitions = new LinkedHashMap<>();
 
     /**
-     * Information about references that should be rendered as footnotes.
+     * Information about references that should be rendered as footnotes. This doesn't contain all references, just the
+     * ones from inside definitions.
      */
     private final Map<FootnoteReference, ReferenceInfo> references = new HashMap<>();
 
@@ -56,21 +80,20 @@ public Set<Class<? extends Node>> getNodeTypes() {
 
     @Override
     public void beforeRoot(Node node) {
-        // Collect definitions so we can look them up when encountering a reference later
+        // Collect all definitions first, so we can look them up when encountering a reference later.
         var visitor = new DefinitionVisitor();
         node.accept(visitor);
         definitionMap = visitor.definitions;
-
-        // Register references in the main text. References inside definitions will be done later.
-        node.accept(new ReferenceVisitor(false, this::registerReference));
     }
 
     @Override
     public void render(Node node) {
         if (node instanceof FootnoteReference) {
-            var ref = (FootnoteReference) node;
             // This is called for all references, even ones inside definitions that we render at the end.
-            renderReference(ref, references.get(ref));
+            var ref = (FootnoteReference) node;
+            // Use containsKey because if value is null, we don't need to try registering again.
+            var info = references.containsKey(ref) ? references.get(ref) : registerReference(ref);
+            renderReference(ref, info);
         }
     }
 
@@ -95,13 +118,13 @@ public void afterRoot(Node node) {
         var check = new LinkedList<>(referencedDefinitions.keySet());
         while (!check.isEmpty()) {
             var def = check.removeFirst();
-            def.accept(new ReferenceVisitor(true, ref -> {
+            def.accept(new ReferenceVisitor(ref -> {
                 var d = definitionMap.get(ref.getLabel());
                 if (d != null) {
                     if (!referencedDefinitions.containsKey(d)) {
                         check.addLast(d);
                     }
-                    registerReference(ref);
+                    references.put(ref, registerReference(ref));
                 }
             }));
         }
@@ -117,10 +140,10 @@ public void afterRoot(Node node) {
         html.line();
     }
 
-    private void registerReference(FootnoteReference ref) {
+    private ReferenceInfo registerReference(FootnoteReference ref) {
         var def = definitionMap.get(ref.getLabel());
         if (def == null) {
-            return;
+            return null;
         }
 
         // The first referenced definition gets number 1, second one 2, etc.
@@ -135,7 +158,7 @@ private void registerReference(FootnoteReference ref) {
 
         var definitionId = definitionId(def.getLabel());
 
-        references.put(ref, new ReferenceInfo(id, definitionId, definitionNumber));
+        return new ReferenceInfo(id, definitionId, definitionNumber);
     }
 
     private void renderReference(FootnoteReference ref, ReferenceInfo referenceInfo) {
@@ -261,11 +284,9 @@ public void visit(CustomBlock customBlock) {
     }
 
     private static class ReferenceVisitor extends AbstractVisitor {
-        private final boolean inspectDefinitions;
         private final Consumer<FootnoteReference> consumer;
 
-        private ReferenceVisitor(boolean inspectDefinitions, Consumer<FootnoteReference> consumer) {
-            this.inspectDefinitions = inspectDefinitions;
+        private ReferenceVisitor(Consumer<FootnoteReference> consumer) {
             this.consumer = consumer;
         }
 
@@ -278,17 +299,6 @@ public void visit(CustomNode customNode) {
                 super.visit(customNode);
             }
         }
-
-        @Override
-        public void visit(CustomBlock customBlock) {
-            if (customBlock instanceof FootnoteDefinition) {
-                if (inspectDefinitions) {
-                    super.visit(customBlock);
-                }
-            } else {
-                super.visit(customBlock);
-            }
-        }
     }
 
     private static class ReferencedDefinition {
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
index f9746d13c..8964e536c 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
@@ -98,20 +98,7 @@ public void testDefinitionWithList() {
                         "</section>\n");
     }
 
-    // Text in footnote definitions can reference other footnotes, even ones that aren't referenced in the main text.
-    // This makes them tricky because it's not enough to just go through the main text for references.
-    // And before we can render a definition, we need to know all references (because we add links back to references).
-    //
-    // In other words, footnotes form a directed graph. Footnotes can reference each other so cycles are possible too.
-    //
-    // One way to implement it, which is what cmark-gfm does, is to go through the whole document (including definitions)
-    // and find all references in order. That guarantees that all definitions are found, but it has strange results for
-    // ordering or when the reference is in an unreferenced definition, see tests below.
-    // In graph terms, it renders all definitions that have an incoming edge, no matter whether they are connected to
-    // the main text or not.
-    //
-    // The way we implement it is by starting with the footnotes from the main text. Then from the referenced
-    // definitions, run a breadth-first search to find all remaining relevant footnote definitions.
+    // See docs on FootnoteHtmlNodeRenderer about nested footnotes.
 
     @Test
     public void testNestedFootnotesSimple() {

From 958048deadc3d2759440baaafdd48c8e12df7c79 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 6 Jul 2024 21:56:07 +1000
Subject: [PATCH 313/450] Adjust Markdown renderer to changed parsing

---
 .../ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
index 956cd1de1..11b315386 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
@@ -48,10 +48,7 @@ private void renderReference(FootnoteReference ref) {
     private void renderDefinition(FootnoteDefinition def) {
         writer.raw("[^");
         writer.raw(def.getLabel());
-        writer.raw("]:");
-        if (def.getFirstChild() instanceof Paragraph) {
-            writer.raw(" ");
-        }
+        writer.raw("]: ");
 
         writer.pushPrefix("    ");
         writer.pushTight(true);

From 0a8c9937cc73438a2a11383a8a8aae7000e66d54 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 6 Jul 2024 22:04:29 +1000
Subject: [PATCH 314/450] Add docs for footnotes extension

---
 .../ext/footnotes/FootnoteDefinition.java      | 10 ++++++++++
 .../ext/footnotes/FootnoteReference.java       |  6 ++++++
 .../ext/footnotes/FootnotesExtension.java      | 18 +++++++++++++++++-
 .../internal/FootnoteBlockParser.java          |  3 +++
 .../internal/FootnoteLinkProcessor.java        |  3 +++
 5 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteDefinition.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteDefinition.java
index 4adf98462..4a560dc9e 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteDefinition.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteDefinition.java
@@ -2,6 +2,16 @@
 
 import org.commonmark.node.CustomBlock;
 
+/**
+ * A footnote definition, e.g.:
+ * <pre><code>
+ * [^foo]: This is the footnote text
+ * </code></pre>
+ * The {@link #getLabel() label} is the text in brackets after {@code ^}, so {@code foo} in the example. The contents
+ * of the footnote are child nodes of the definition, a {@link org.commonmark.node.Paragraph} in the example.
+ * <p>
+ * Footnote definitions are parsed even if there's no corresponding {@link FootnoteReference}.
+ */
 public class FootnoteDefinition extends CustomBlock {
 
     private String label;
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteReference.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteReference.java
index d7eda870c..61dcf8626 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteReference.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnoteReference.java
@@ -2,6 +2,12 @@
 
 import org.commonmark.node.CustomNode;
 
+/**
+ * A footnote reference, e.g. <code>[^foo]</code> in <code>Some text with a footnote[^foo]</code>
+ * <p>
+ * The {@link #getLabel() label} is the text within brackets after {@code ^}, so {@code foo} in the example. It needs to
+ * match the label of a corresponding {@link FootnoteDefinition} for the footnote to be parsed.
+ */
 public class FootnoteReference extends CustomNode {
     private String label;
 
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
index 263b52b9c..9ac2c506e 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
@@ -15,7 +15,23 @@
 import java.util.Set;
 
 /**
- * TODO
+ * Extension for footnotes with syntax like GitHub Flavored Markdown:
+ * <pre><code>
+ * Some text with a footnote[^1].
+ *
+ * [^1]: The text of the footnote.
+ * </code></pre>
+ * The <code>[^1]</code> is a {@link FootnoteReference}, with "1" being the label.
+ * <p>
+ * The line with <code>[^1]: ...</code> is a {@link FootnoteDefinition}, with the contents as child nodes (can be a
+ * paragraph like in the example, or other blocks like lists).
+ * <p>
+ * All the footnotes (definitions) will be rendered in a list at the end of a document, no matter where they appear in
+ * the source. The footnotes will be numbered starting from 1, then 2, etc, depending on the order in which they appear
+ * in the text (and not dependent on the label). The footnote reference is a link to the footnote, and from the footnote
+ * there is a link back to the reference (or multiple).
+ *
+ * @see <a href="https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#footnotes">GitHub docs for footnotes</a>
  */
 public class FootnotesExtension implements Parser.ParserExtension,
         HtmlRenderer.HtmlRendererExtension,
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
index f3a9dc73f..59ee5529e 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
@@ -8,6 +8,9 @@
 
 import java.util.List;
 
+/**
+ * Parser for a single {@link FootnoteDefinition} block.
+ */
 public class FootnoteBlockParser extends AbstractBlockParser {
 
     private final FootnoteDefinition block;
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
index 1af57893f..077ca5b70 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
@@ -9,6 +9,9 @@
 import org.commonmark.parser.beta.LinkResult;
 import org.commonmark.parser.beta.Scanner;
 
+/**
+ * For turning e.g. <code>[^foo]</code> into a {@link FootnoteReference}.
+ */
 public class FootnoteLinkProcessor implements LinkProcessor {
     @Override
     public LinkResult process(LinkInfo linkInfo, Scanner scanner, InlineParserContext context) {

From 214c195ff4cd8ea297bcf50672f286731d253a9a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 6 Jul 2024 23:05:17 +1000
Subject: [PATCH 315/450] Add docs for LinkProcessor

---
 .../parser/InlineParserContext.java           |  2 +-
 .../java/org/commonmark/parser/Parser.java    |  8 ++++-
 .../org/commonmark/parser/beta/LinkInfo.java  | 17 ++++++++--
 .../commonmark/parser/beta/LinkProcessor.java | 32 +++++++++++++++++++
 .../commonmark/parser/beta/LinkResult.java    | 31 ++++++++++++++++++
 5 files changed, 85 insertions(+), 5 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
index 1f428d22c..74162d448 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
@@ -25,7 +25,7 @@ public interface InlineParserContext {
     List<DelimiterProcessor> getCustomDelimiterProcessors();
 
     /**
-     * TODO
+     * @return custom link processors that have been configured with {@link Parser.Builder#linkProcessor}.
      */
     List<LinkProcessor> getCustomLinkProcessors();
 
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index c65680a40..571fbf8c4 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -248,7 +248,13 @@ public Builder customDelimiterProcessor(DelimiterProcessor delimiterProcessor) {
         }
 
         /**
-         * TODO
+         * Add a custom link/image processor for inline parsing.
+         * <p>
+         * Multiple link processors can be added, and will be tried in order in which they were added. If no link
+         * processor applies, the normal behavior applies. That means these can override built-in link parsing.
+         *
+         * @param linkProcessor a link processor implementation
+         * @return {@code this}
          */
         public Builder linkProcessor(LinkProcessor linkProcessor) {
             Objects.requireNonNull(linkProcessor, "linkProcessor must not be null");
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java b/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
index 47dd8a9ea..969afb4bd 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
@@ -21,16 +21,27 @@
  * <pre>
  * [text]
  * </pre>
+ * Images use the same syntax as links but with a {@code !} in front, e.g. {@code ![text](destination)}.
  */
 public interface LinkInfo {
     enum OpenerType {
-        // An image (a `!` before the `[`)
+        /**
+         * An image (a {@code !} before the {@code [})
+         */
         IMAGE,
-        // A link
+        /**
+         * A link
+         */
         LINK
     }
 
-    // TODO: We could also expose the opener Text (`[` or `![`)
+    /**
+     * The type of opener of this link/image:
+     * <ul>
+     * <li>{@link OpenerType#LINK} for links like {@code [text...}</li>
+     * <li>{@link OpenerType#IMAGE} for images like {@code ![text...}</li>
+     * </ul>
+     */
     OpenerType openerType();
 
     /**
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java b/commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java
index 6d5a1cfaf..48193081f 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java
@@ -2,7 +2,39 @@
 
 import org.commonmark.parser.InlineParserContext;
 
+/**
+ * An interface to decide how links/images are handled.
+ * <p>
+ * Implementations need to be registered with a parser via {@link org.commonmark.parser.Parser.Builder#linkProcessor}.
+ * Then, when inline parsing is run, each parsed link/image is passed to the processor. This includes links like these:
+ * <p>
+ * <pre><code>
+ * [text](destination)
+ * [text]
+ * [text][]
+ * [text][label]
+ * </pre>
+ * And images:
+ * <pre><code>
+ * ![text](destination)
+ * ![text]
+ * ![text][]
+ * ![text][label]
+ * </pre>
+ * See {@link LinkInfo} for accessing various parts of the parsed link/image.
+ * <p>
+ * The processor can then inspect the link/image and decide what to do with it by returning the appropriate
+ * {@link LinkResult}. If it returns {@link LinkResult#none()}, the next registered processor is tried. If none of them
+ * apply, the link is handled as it normally would.
+ */
 public interface LinkProcessor {
 
+    /**
+     * @param linkInfo information about the parsed link/image
+     * @param scanner  the scanner at the current position after the parsed link/image
+     * @param context  context for inline parsing
+     * @return what to do with the link/image, e.g. do nothing (try the next processor), wrap the text in a node, or
+     * replace the link/image with a node
+     */
     LinkResult process(LinkInfo linkInfo, Scanner scanner, InlineParserContext context);
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java b/commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java
index 69a3bebc5..d7edcc3d1 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java
@@ -3,18 +3,49 @@
 import org.commonmark.internal.inline.LinkResultImpl;
 import org.commonmark.node.Node;
 
+/**
+ * What to do with a link/image processed by {@link LinkProcessor}.
+ */
 public interface LinkResult {
+    /**
+     * Link not handled by processor.
+     */
     static LinkResult none() {
         return null;
     }
 
+    /**
+     * Wrap the link text in a node. This is the normal behavior for links, e.g. for this:
+     * <pre><code>
+     * [my *text*](destination)
+     * </code></pre>
+     * The text is {@code my *text*}, a text node and emphasis. The text is wrapped in a
+     * {@link org.commonmark.node.Link} node, which means the text is added as child nodes to it.
+     *
+     * @param node     the node to which the link text nodes will be added as child nodes
+     * @param position the position to continue parsing from
+     */
     static LinkResult wrapTextIn(Node node, Position position) {
         return new LinkResultImpl(LinkResultImpl.Type.WRAP, node, position);
     }
 
+    /**
+     * Replace the link with a node. E.g. for this:
+     * <pre><code>
+     * [^foo]
+     * </code></pre>
+     * The processor could decide to create a {@code FootnoteReference} node instead which replaces the link.
+     *
+     * @param node     the node to replace the link with
+     * @param position the position to continue parsing from
+     */
     static LinkResult replaceWith(Node node, Position position) {
         return new LinkResultImpl(LinkResultImpl.Type.REPLACE, node, position);
     }
 
+    /**
+     * Instead of processing the full node (e.g. {@code ![image]}, only start from the bracket (e.g. {@code [image]}).
+     * This is useful for excluding the {@code !} character denoting an image. It will just be left as text instead.
+     */
     LinkResult startFromBracket();
 }

From c68809dacbf739087ec97d39db98ca0cc0fbad0a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 6 Jul 2024 23:15:54 +1000
Subject: [PATCH 316/450] Documentation tweaks

---
 .../java/org/commonmark/node/DefinitionMap.java    | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java b/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java
index 9cc94507f..59cb88274 100644
--- a/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java
+++ b/commonmark/src/main/java/org/commonmark/node/DefinitionMap.java
@@ -5,9 +5,10 @@
 import java.util.Collection;
 import java.util.LinkedHashMap;
 import java.util.Map;
+import java.util.Set;
 
 /**
- * A map that can be used to store and lookup reference definitions by a label. The labels are case-insensitive and
+ * A map that can be used to store and look up reference definitions by a label. The labels are case-insensitive and
  * normalized, the same way as for {@link LinkReferenceDefinition} nodes.
  *
  * @param <D> the type of value
@@ -28,13 +29,16 @@ public Class<D> getType() {
 
     public void addAll(DefinitionMap<D> that) {
         for (var entry : that.definitions.entrySet()) {
+            // Note that keys are already normalized, so we can add them directly
             definitions.putIfAbsent(entry.getKey(), entry.getValue());
         }
     }
 
     /**
-     * Store a new definition unless one is already in the map. If there is no definition for that label, return null.
+     * Store a new definition unless one is already in the map. If there is no definition for that label yet, return null.
      * Otherwise, return the existing definition.
+     * <p>
+     * The label is normalized by the definition map before storing.
      */
     public D putIfAbsent(String label, D definition) {
         String normalizedLabel = Escaping.normalizeLabelContent(label);
@@ -44,7 +48,7 @@ public D putIfAbsent(String label, D definition) {
     }
 
     /**
-     * Lookup a definition by normalized label.
+     * Look up a definition by label. The label is normalized by the definition map before lookup.
      *
      * @return the value or null
      */
@@ -53,6 +57,10 @@ public D get(String label) {
         return definitions.get(normalizedLabel);
     }
 
+    public Set<String> keySet() {
+        return definitions.keySet();
+    }
+
     public Collection<D> values() {
         return definitions.values();
     }

From ee7b710649717a93ab02dd98b0db147ed44eb717 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 7 Jul 2024 22:41:59 +1000
Subject: [PATCH 317/450] Fix Javadoc

---
 .../main/java/org/commonmark/parser/beta/LinkProcessor.java   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java b/commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java
index 48193081f..3e448fd91 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/LinkProcessor.java
@@ -13,14 +13,14 @@
  * [text]
  * [text][]
  * [text][label]
- * </pre>
+ * </code></pre>
  * And images:
  * <pre><code>
  * ![text](destination)
  * ![text]
  * ![text][]
  * ![text][label]
- * </pre>
+ * </code></pre>
  * See {@link LinkInfo} for accessing various parts of the parsed link/image.
  * <p>
  * The processor can then inspect the link/image and decide what to do with it by returning the appropriate

From 103f002b7a34a9a06ae854d0247f25ab4e9b1f5b Mon Sep 17 00:00:00 2001
From: Yuri Maltsev <dev.ymalcev@gmail.com>
Date: Mon, 8 Jul 2024 10:52:49 +0200
Subject: [PATCH 318/450] render ThematicBreak literal in markdown

---
 .../renderer/markdown/CoreMarkdownNodeRenderer.java       | 8 ++++++--
 .../renderer/markdown/MarkdownRendererTest.java           | 8 ++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 8a9e57251..7042ad594 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -87,8 +87,12 @@ public void visit(Document document) {
 
     @Override
     public void visit(ThematicBreak thematicBreak) {
-        // Let's use ___ as it doesn't introduce ambiguity with * or - list item markers
-        writer.raw("___");
+        String literal = thematicBreak.getLiteral();
+        if (literal == null) {
+            // Let's use ___ as it doesn't introduce ambiguity with * or - list item markers
+            literal = "___";
+        }
+        writer.raw(literal);
         writer.block();
     }
 
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 91af1bfe8..9a849c58d 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -19,6 +19,14 @@ public void testThematicBreaks() {
         // List item with hr -> hr needs to not use the same as the marker
         assertRoundTrip("* ___\n");
         assertRoundTrip("- ___\n");
+
+        // Preserve the literal
+        assertRoundTrip("----\n");
+        assertRoundTrip("*****\n");
+
+        // Apply fallback for null literal
+        ThematicBreak node = new ThematicBreak();
+        assertEquals("___", render(node));
     }
 
     @Test

From 6bfb5f4b56a8a0329a325dde2d217ae3942b914d Mon Sep 17 00:00:00 2001
From: Andrea Amantini <lo.zampino@gmail.com>
Date: Tue, 27 Aug 2024 15:55:24 +0200
Subject: [PATCH 319/450] Pin jitpack maven version compatible with the
 compiler plugin

The default maven version on jitpack (3.6.1) fails to build
commonmark-java with

[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.13.0:compile (default-compile)
on project commonmark-test-util: The plugin
org.apache.maven.plugins:maven-compiler-plugin:3.13.0 requires Maven
version 3.6.3
---
 jitpack.yml | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 jitpack.yml

diff --git a/jitpack.yml b/jitpack.yml
new file mode 100644
index 000000000..7889e98bf
--- /dev/null
+++ b/jitpack.yml
@@ -0,0 +1,2 @@
+before_install:
+  - sdk install maven 3.6.3

From 0e979ef8f2fcd657214bf37fdd99aea8073068cf Mon Sep 17 00:00:00 2001
From: Andrea Amantini <lo.zampino@gmail.com>
Date: Wed, 28 Aug 2024 10:05:02 +0200
Subject: [PATCH 320/450] Use maven wrapper instead of configuring jitpack

script generated with 'mvn wrapper:wrapper -Dmaven=3.6.3'
---
 .mvn/wrapper/maven-wrapper.properties |  19 ++
 jitpack.yml                           |   2 -
 mvnw                                  | 259 ++++++++++++++++++++++++++
 3 files changed, 278 insertions(+), 2 deletions(-)
 create mode 100644 .mvn/wrapper/maven-wrapper.properties
 delete mode 100644 jitpack.yml
 create mode 100755 mvnw

diff --git a/.mvn/wrapper/maven-wrapper.properties b/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 000000000..4d245050f
--- /dev/null
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,19 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+wrapperVersion=3.3.2
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
diff --git a/jitpack.yml b/jitpack.yml
deleted file mode 100644
index 7889e98bf..000000000
--- a/jitpack.yml
+++ /dev/null
@@ -1,2 +0,0 @@
-before_install:
-  - sdk install maven 3.6.3
diff --git a/mvnw b/mvnw
new file mode 100755
index 000000000..19529ddf8
--- /dev/null
+++ b/mvnw
@@ -0,0 +1,259 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Apache Maven Wrapper startup batch script, version 3.3.2
+#
+# Optional ENV vars
+# -----------------
+#   JAVA_HOME - location of a JDK home dir, required when download maven via java source
+#   MVNW_REPOURL - repo url base for downloading maven distribution
+#   MVNW_USERNAME/MVNW_PASSWORD - user and password for downloading maven
+#   MVNW_VERBOSE - true: enable verbose log; debug: trace the mvnw script; others: silence the output
+# ----------------------------------------------------------------------------
+
+set -euf
+[ "${MVNW_VERBOSE-}" != debug ] || set -x
+
+# OS specific support.
+native_path() { printf %s\\n "$1"; }
+case "$(uname)" in
+CYGWIN* | MINGW*)
+  [ -z "${JAVA_HOME-}" ] || JAVA_HOME="$(cygpath --unix "$JAVA_HOME")"
+  native_path() { cygpath --path --windows "$1"; }
+  ;;
+esac
+
+# set JAVACMD and JAVACCMD
+set_java_home() {
+  # For Cygwin and MinGW, ensure paths are in Unix format before anything is touched
+  if [ -n "${JAVA_HOME-}" ]; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ]; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+      JAVACCMD="$JAVA_HOME/jre/sh/javac"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+      JAVACCMD="$JAVA_HOME/bin/javac"
+
+      if [ ! -x "$JAVACMD" ] || [ ! -x "$JAVACCMD" ]; then
+        echo "The JAVA_HOME environment variable is not defined correctly, so mvnw cannot run." >&2
+        echo "JAVA_HOME is set to \"$JAVA_HOME\", but \"\$JAVA_HOME/bin/java\" or \"\$JAVA_HOME/bin/javac\" does not exist." >&2
+        return 1
+      fi
+    fi
+  else
+    JAVACMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v java
+    )" || :
+    JAVACCMD="$(
+      'set' +e
+      'unset' -f command 2>/dev/null
+      'command' -v javac
+    )" || :
+
+    if [ ! -x "${JAVACMD-}" ] || [ ! -x "${JAVACCMD-}" ]; then
+      echo "The java/javac command does not exist in PATH nor is JAVA_HOME set, so mvnw cannot run." >&2
+      return 1
+    fi
+  fi
+}
+
+# hash string like Java String::hashCode
+hash_string() {
+  str="${1:-}" h=0
+  while [ -n "$str" ]; do
+    char="${str%"${str#?}"}"
+    h=$(((h * 31 + $(LC_CTYPE=C printf %d "'$char")) % 4294967296))
+    str="${str#?}"
+  done
+  printf %x\\n $h
+}
+
+verbose() { :; }
+[ "${MVNW_VERBOSE-}" != true ] || verbose() { printf %s\\n "${1-}"; }
+
+die() {
+  printf %s\\n "$1" >&2
+  exit 1
+}
+
+trim() {
+  # MWRAPPER-139:
+  #   Trims trailing and leading whitespace, carriage returns, tabs, and linefeeds.
+  #   Needed for removing poorly interpreted newline sequences when running in more
+  #   exotic environments such as mingw bash on Windows.
+  printf "%s" "${1}" | tr -d '[:space:]'
+}
+
+# parse distributionUrl and optional distributionSha256Sum, requires .mvn/wrapper/maven-wrapper.properties
+while IFS="=" read -r key value; do
+  case "${key-}" in
+  distributionUrl) distributionUrl=$(trim "${value-}") ;;
+  distributionSha256Sum) distributionSha256Sum=$(trim "${value-}") ;;
+  esac
+done <"${0%/*}/.mvn/wrapper/maven-wrapper.properties"
+[ -n "${distributionUrl-}" ] || die "cannot read distributionUrl property in ${0%/*}/.mvn/wrapper/maven-wrapper.properties"
+
+case "${distributionUrl##*/}" in
+maven-mvnd-*bin.*)
+  MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/
+  case "${PROCESSOR_ARCHITECTURE-}${PROCESSOR_ARCHITEW6432-}:$(uname -a)" in
+  *AMD64:CYGWIN* | *AMD64:MINGW*) distributionPlatform=windows-amd64 ;;
+  :Darwin*x86_64) distributionPlatform=darwin-amd64 ;;
+  :Darwin*arm64) distributionPlatform=darwin-aarch64 ;;
+  :Linux*x86_64*) distributionPlatform=linux-amd64 ;;
+  *)
+    echo "Cannot detect native platform for mvnd on $(uname)-$(uname -m), use pure java version" >&2
+    distributionPlatform=linux-amd64
+    ;;
+  esac
+  distributionUrl="${distributionUrl%-bin.*}-$distributionPlatform.zip"
+  ;;
+maven-mvnd-*) MVN_CMD=mvnd.sh _MVNW_REPO_PATTERN=/maven/mvnd/ ;;
+*) MVN_CMD="mvn${0##*/mvnw}" _MVNW_REPO_PATTERN=/org/apache/maven/ ;;
+esac
+
+# apply MVNW_REPOURL and calculate MAVEN_HOME
+# maven home pattern: ~/.m2/wrapper/dists/{apache-maven-<version>,maven-mvnd-<version>-<platform>}/<hash>
+[ -z "${MVNW_REPOURL-}" ] || distributionUrl="$MVNW_REPOURL$_MVNW_REPO_PATTERN${distributionUrl#*"$_MVNW_REPO_PATTERN"}"
+distributionUrlName="${distributionUrl##*/}"
+distributionUrlNameMain="${distributionUrlName%.*}"
+distributionUrlNameMain="${distributionUrlNameMain%-bin}"
+MAVEN_USER_HOME="${MAVEN_USER_HOME:-${HOME}/.m2}"
+MAVEN_HOME="${MAVEN_USER_HOME}/wrapper/dists/${distributionUrlNameMain-}/$(hash_string "$distributionUrl")"
+
+exec_maven() {
+  unset MVNW_VERBOSE MVNW_USERNAME MVNW_PASSWORD MVNW_REPOURL || :
+  exec "$MAVEN_HOME/bin/$MVN_CMD" "$@" || die "cannot exec $MAVEN_HOME/bin/$MVN_CMD"
+}
+
+if [ -d "$MAVEN_HOME" ]; then
+  verbose "found existing MAVEN_HOME at $MAVEN_HOME"
+  exec_maven "$@"
+fi
+
+case "${distributionUrl-}" in
+*?-bin.zip | *?maven-mvnd-?*-?*.zip) ;;
+*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
+esac
+
+# prepare tmp dir
+if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
+  clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
+  trap clean HUP INT TERM EXIT
+else
+  die "cannot create temp dir"
+fi
+
+mkdir -p -- "${MAVEN_HOME%/*}"
+
+# Download and Install Apache Maven
+verbose "Couldn't find MAVEN_HOME, downloading and installing it ..."
+verbose "Downloading from: $distributionUrl"
+verbose "Downloading to: $TMP_DOWNLOAD_DIR/$distributionUrlName"
+
+# select .zip or .tar.gz
+if ! command -v unzip >/dev/null; then
+  distributionUrl="${distributionUrl%.zip}.tar.gz"
+  distributionUrlName="${distributionUrl##*/}"
+fi
+
+# verbose opt
+__MVNW_QUIET_WGET=--quiet __MVNW_QUIET_CURL=--silent __MVNW_QUIET_UNZIP=-q __MVNW_QUIET_TAR=''
+[ "${MVNW_VERBOSE-}" != true ] || __MVNW_QUIET_WGET='' __MVNW_QUIET_CURL='' __MVNW_QUIET_UNZIP='' __MVNW_QUIET_TAR=v
+
+# normalize http auth
+case "${MVNW_PASSWORD:+has-password}" in
+'') MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+has-password) [ -n "${MVNW_USERNAME-}" ] || MVNW_USERNAME='' MVNW_PASSWORD='' ;;
+esac
+
+if [ -z "${MVNW_USERNAME-}" ] && command -v wget >/dev/null; then
+  verbose "Found wget ... using wget"
+  wget ${__MVNW_QUIET_WGET:+"$__MVNW_QUIET_WGET"} "$distributionUrl" -O "$TMP_DOWNLOAD_DIR/$distributionUrlName" || die "wget: Failed to fetch $distributionUrl"
+elif [ -z "${MVNW_USERNAME-}" ] && command -v curl >/dev/null; then
+  verbose "Found curl ... using curl"
+  curl ${__MVNW_QUIET_CURL:+"$__MVNW_QUIET_CURL"} -f -L -o "$TMP_DOWNLOAD_DIR/$distributionUrlName" "$distributionUrl" || die "curl: Failed to fetch $distributionUrl"
+elif set_java_home; then
+  verbose "Falling back to use Java to download"
+  javaSource="$TMP_DOWNLOAD_DIR/Downloader.java"
+  targetZip="$TMP_DOWNLOAD_DIR/$distributionUrlName"
+  cat >"$javaSource" <<-END
+	public class Downloader extends java.net.Authenticator
+	{
+	  protected java.net.PasswordAuthentication getPasswordAuthentication()
+	  {
+	    return new java.net.PasswordAuthentication( System.getenv( "MVNW_USERNAME" ), System.getenv( "MVNW_PASSWORD" ).toCharArray() );
+	  }
+	  public static void main( String[] args ) throws Exception
+	  {
+	    setDefault( new Downloader() );
+	    java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
+	  }
+	}
+	END
+  # For Cygwin/MinGW, switch paths to Windows format before running javac and java
+  verbose " - Compiling Downloader.java ..."
+  "$(native_path "$JAVACCMD")" "$(native_path "$javaSource")" || die "Failed to compile Downloader.java"
+  verbose " - Running Downloader.java ..."
+  "$(native_path "$JAVACMD")" -cp "$(native_path "$TMP_DOWNLOAD_DIR")" Downloader "$distributionUrl" "$(native_path "$targetZip")"
+fi
+
+# If specified, validate the SHA-256 sum of the Maven distribution zip file
+if [ -n "${distributionSha256Sum-}" ]; then
+  distributionSha256Result=false
+  if [ "$MVN_CMD" = mvnd.sh ]; then
+    echo "Checksum validation is not supported for maven-mvnd." >&2
+    echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  elif command -v sha256sum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | sha256sum -c >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  elif command -v shasum >/dev/null; then
+    if echo "$distributionSha256Sum  $TMP_DOWNLOAD_DIR/$distributionUrlName" | shasum -a 256 -c >/dev/null 2>&1; then
+      distributionSha256Result=true
+    fi
+  else
+    echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available." >&2
+    echo "Please install either command, or disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
+    exit 1
+  fi
+  if [ $distributionSha256Result = false ]; then
+    echo "Error: Failed to validate Maven distribution SHA-256, your Maven distribution might be compromised." >&2
+    echo "If you updated your Maven version, you need to update the specified distributionSha256Sum property." >&2
+    exit 1
+  fi
+fi
+
+# unzip and move
+if command -v unzip >/dev/null; then
+  unzip ${__MVNW_QUIET_UNZIP:+"$__MVNW_QUIET_UNZIP"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -d "$TMP_DOWNLOAD_DIR" || die "failed to unzip"
+else
+  tar xzf${__MVNW_QUIET_TAR:+"$__MVNW_QUIET_TAR"} "$TMP_DOWNLOAD_DIR/$distributionUrlName" -C "$TMP_DOWNLOAD_DIR" || die "failed to untar"
+fi
+printf %s\\n "$distributionUrl" >"$TMP_DOWNLOAD_DIR/$distributionUrlNameMain/mvnw.url"
+mv -- "$TMP_DOWNLOAD_DIR/$distributionUrlNameMain" "$MAVEN_HOME" || [ -d "$MAVEN_HOME" ] || die "fail to move MAVEN_HOME"
+
+clean || :
+exec_maven "$@"

From 72d6fa78a0093826d35cdcbdbd2c247a23f8b1ad Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 13 Jul 2024 21:21:42 +1000
Subject: [PATCH 321/450] Add support for inline footnotes

See e.g. https://pandoc.org/MANUAL.html#extension-inline_notes
---
 .../ext/footnotes/FootnotesExtension.java     | 46 ++++++++++++++++---
 .../ext/footnotes/InlineFootnote.java         |  6 +++
 .../internal/FootnoteLinkProcessor.java       | 12 ++++-
 .../internal/InlineFootnoteMarker.java        |  6 +++
 .../internal/InlineFootnoteMarkerParser.java  | 40 ++++++++++++++++
 .../internal/InlineFootnoteMarkerRemover.java | 29 ++++++++++++
 .../ext/footnotes/FootnotesTest.java          | 44 ++++++++++++++++++
 .../commonmark/internal/InlineParserImpl.java | 13 ++++--
 .../main/java/org/commonmark/node/Node.java   |  7 ++-
 .../org/commonmark/parser/beta/LinkInfo.java  | 10 +++-
 10 files changed, 201 insertions(+), 12 deletions(-)
 create mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/InlineFootnote.java
 create mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarker.java
 create mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerParser.java
 create mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerRemover.java

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
index 9ac2c506e..48acc65aa 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
@@ -1,11 +1,9 @@
 package org.commonmark.ext.footnotes;
 
 import org.commonmark.Extension;
-import org.commonmark.ext.footnotes.internal.FootnoteBlockParser;
-import org.commonmark.ext.footnotes.internal.FootnoteLinkProcessor;
-import org.commonmark.ext.footnotes.internal.FootnoteHtmlNodeRenderer;
-import org.commonmark.ext.footnotes.internal.FootnoteMarkdownNodeRenderer;
+import org.commonmark.ext.footnotes.internal.*;
 import org.commonmark.parser.Parser;
+import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
@@ -30,6 +28,8 @@
  * the source. The footnotes will be numbered starting from 1, then 2, etc, depending on the order in which they appear
  * in the text (and not dependent on the label). The footnote reference is a link to the footnote, and from the footnote
  * there is a link back to the reference (or multiple).
+ * <p>
+ * There is also optional support for inline footnotes, use {@link #builder()} and then set {@link Builder#inlineFootnotes}.
  *
  * @see <a href="https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#footnotes">GitHub docs for footnotes</a>
  */
@@ -37,11 +37,21 @@ public class FootnotesExtension implements Parser.ParserExtension,
         HtmlRenderer.HtmlRendererExtension,
         MarkdownRenderer.MarkdownRendererExtension {
 
-    private FootnotesExtension() {
+    private final boolean inlineFootnotes;
+
+    private FootnotesExtension(boolean inlineFootnotes) {
+        this.inlineFootnotes = inlineFootnotes;
     }
 
+    /**
+     * The extension with the default configuration (no support for inline footnotes).
+     */
     public static Extension create() {
-        return new FootnotesExtension();
+        return builder().build();
+    }
+
+    public static Builder builder() {
+        return new Builder();
     }
 
     @Override
@@ -49,6 +59,10 @@ public void extend(Parser.Builder parserBuilder) {
         parserBuilder
                 .customBlockParserFactory(new FootnoteBlockParser.Factory())
                 .linkProcessor(new FootnoteLinkProcessor());
+        if (inlineFootnotes) {
+            parserBuilder.customInlineContentParserFactory(new InlineFootnoteMarkerParser.Factory())
+                    .postProcessor(new InlineFootnoteMarkerRemover());
+        }
     }
 
     @Override
@@ -70,4 +84,24 @@ public Set<Character> getSpecialCharacters() {
             }
         });
     }
+
+    public static class Builder {
+
+        private boolean inlineFootnotes = false;
+
+        /**
+         * Enable support for inline footnotes without definitions, e.g.:
+         * <pre>
+         * Some text^[this is an inline footnote]
+         * </pre>
+         */
+        public Builder inlineFootnotes(boolean inlineFootnotes) {
+            this.inlineFootnotes = inlineFootnotes;
+            return this;
+        }
+
+        public FootnotesExtension build() {
+            return new FootnotesExtension(inlineFootnotes);
+        }
+    }
 }
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/InlineFootnote.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/InlineFootnote.java
new file mode 100644
index 000000000..665d01936
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/InlineFootnote.java
@@ -0,0 +1,6 @@
+package org.commonmark.ext.footnotes;
+
+import org.commonmark.node.CustomNode;
+
+public class InlineFootnote extends CustomNode {
+}
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
index 077ca5b70..ca8e2d557 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
@@ -2,7 +2,9 @@
 
 import org.commonmark.ext.footnotes.FootnoteDefinition;
 import org.commonmark.ext.footnotes.FootnoteReference;
+import org.commonmark.ext.footnotes.InlineFootnote;
 import org.commonmark.node.LinkReferenceDefinition;
+import org.commonmark.node.Text;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.beta.LinkInfo;
 import org.commonmark.parser.beta.LinkProcessor;
@@ -10,11 +12,19 @@
 import org.commonmark.parser.beta.Scanner;
 
 /**
- * For turning e.g. <code>[^foo]</code> into a {@link FootnoteReference}.
+ * For turning e.g. <code>[^foo]</code> into a {@link FootnoteReference},
+ * and <code>^[foo]</code> into an {@link InlineFootnote}.
  */
 public class FootnoteLinkProcessor implements LinkProcessor {
     @Override
     public LinkResult process(LinkInfo linkInfo, Scanner scanner, InlineParserContext context) {
+
+        var beforeBracket = linkInfo.openingBracket().getPrevious();
+        if (beforeBracket instanceof InlineFootnoteMarker) {
+            beforeBracket.unlink();
+            return LinkResult.wrapTextIn(new InlineFootnote(), linkInfo.afterTextBracket());
+        }
+
         if (linkInfo.destination() != null) {
             // If it's an inline link, it can't be a footnote reference
             return LinkResult.none();
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarker.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarker.java
new file mode 100644
index 000000000..7d1ebf802
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarker.java
@@ -0,0 +1,6 @@
+package org.commonmark.ext.footnotes.internal;
+
+import org.commonmark.node.CustomNode;
+
+public class InlineFootnoteMarker extends CustomNode {
+}
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerParser.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerParser.java
new file mode 100644
index 000000000..7de1f74bd
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerParser.java
@@ -0,0 +1,40 @@
+package org.commonmark.ext.footnotes.internal;
+
+import org.commonmark.parser.beta.InlineContentParser;
+import org.commonmark.parser.beta.InlineContentParserFactory;
+import org.commonmark.parser.beta.InlineParserState;
+import org.commonmark.parser.beta.ParsedInline;
+
+import java.util.Set;
+
+/**
+ * Parses any potential inline footnote markers (any `^` before `[`). Later we'll either use it in
+ * {@link FootnoteLinkProcessor}, or remove any unused ones in {@link InlineFootnoteMarkerRemover}.
+ */
+public class InlineFootnoteMarkerParser implements InlineContentParser {
+    @Override
+    public ParsedInline tryParse(InlineParserState inlineParserState) {
+        var scanner = inlineParserState.scanner();
+        // Skip ^
+        scanner.next();
+
+        if (scanner.peek() == '[') {
+            return ParsedInline.of(new InlineFootnoteMarker(), scanner.position());
+        } else {
+            return ParsedInline.none();
+        }
+    }
+
+    public static class Factory implements InlineContentParserFactory {
+
+        @Override
+        public Set<Character> getTriggerCharacters() {
+            return Set.of('^');
+        }
+
+        @Override
+        public InlineContentParser create() {
+            return new InlineFootnoteMarkerParser();
+        }
+    }
+}
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerRemover.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerRemover.java
new file mode 100644
index 000000000..67fbd7111
--- /dev/null
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerRemover.java
@@ -0,0 +1,29 @@
+package org.commonmark.ext.footnotes.internal;
+
+import org.commonmark.node.AbstractVisitor;
+import org.commonmark.node.CustomNode;
+import org.commonmark.node.Node;
+import org.commonmark.node.Text;
+import org.commonmark.parser.PostProcessor;
+
+/**
+ * Remove any markers that have been parsed by {@link InlineFootnoteMarkerParser} but haven't been used in
+ * {@link FootnoteLinkProcessor}.
+ */
+public class InlineFootnoteMarkerRemover extends AbstractVisitor implements PostProcessor {
+    @Override
+    public Node process(Node node) {
+        node.accept(this);
+        return node;
+    }
+
+    @Override
+    public void visit(CustomNode customNode) {
+        if (customNode instanceof InlineFootnoteMarker) {
+            var text = new Text("^");
+            text.setSourceSpans(customNode.getSourceSpans());
+            customNode.insertAfter(text);
+            customNode.unlink();
+        }
+    }
+}
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index fd2dcd43d..25e645472 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -1,6 +1,7 @@
 package org.commonmark.ext.footnotes;
 
 import org.commonmark.Extension;
+import org.commonmark.ext.footnotes.internal.InlineFootnoteMarker;
 import org.commonmark.node.*;
 import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
@@ -235,6 +236,49 @@ public void testReferenceLinkWithoutDefinition() {
         assertText("[foo]", paragraph.getLastChild());
     }
 
+    @Test
+    public void testInlineFootnote() {
+        var extension = FootnotesExtension.builder().inlineFootnotes(true).build();
+        var parser = Parser.builder().extensions(Set.of(extension)).build();
+
+        {
+            var doc = parser.parse("Test ^[inline footnote]");
+            assertText("Test ", doc.getFirstChild().getFirstChild());
+            var fn = find(doc, InlineFootnote.class);
+            assertText("inline footnote", fn.getFirstChild());
+            assertNull(tryFind(doc, InlineFootnoteMarker.class));
+        }
+
+        {
+            var doc = parser.parse("Test \\^[not inline footnote]");
+            assertNull(tryFind(doc, InlineFootnote.class));
+        }
+
+        {
+            var doc = parser.parse("Test ^[not inline footnote");
+            assertNull(tryFind(doc, InlineFootnote.class));
+            assertNull(tryFind(doc, InlineFootnoteMarker.class));
+            var t = doc.getFirstChild().getFirstChild();
+            // This is not ideal; text nodes aren't merged after post-processing
+            assertText("Test ", t);
+            assertText("^", t.getNext());
+            assertText("[not inline footnote", t.getNext().getNext());
+        }
+
+        {
+            // This is a tricky one because the code span in the link text
+            // includes the `]` (and doesn't need to be escaped). Therefore
+            // inline footnote parsing has to do full link text parsing/inline parsing.
+            // https://spec.commonmark.org/0.31.2/#link-text
+
+            var doc = parser.parse("^[test `bla]`]");
+            var fn = find(doc, InlineFootnote.class);
+            assertText("test ", fn.getFirstChild());
+            var code = fn.getFirstChild().getNext();
+            assertEquals("bla]", ((Code) code).getLiteral());
+        }
+    }
+
     @Test
     public void testSourcePositions() {
         var parser = Parser.builder().extensions(EXTENSIONS).includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES).build();
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index bf6ac7b62..d18365b6d 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -372,7 +372,7 @@ private LinkInfo parseLinkInfo(Bracket opener, Position beforeClose) {
         // Maybe an inline link/image
         var destinationTitle = parseInlineDestinationTitle(scanner);
         if (destinationTitle != null) {
-            return new LinkInfoImpl(openerType, text, null, destinationTitle.destination, destinationTitle.title, afterClose);
+            return new LinkInfoImpl(openerType, opener.bracketNode, text, null, destinationTitle.destination, destinationTitle.title, afterClose);
         }
         // Not an inline link/image, rewind back to after `]`.
         scanner.setPosition(afterClose);
@@ -394,7 +394,7 @@ private LinkInfo parseLinkInfo(Bracket opener, Position beforeClose) {
             return null;
         }
 
-        return new LinkInfoImpl(openerType, text, label, null, null, afterClose);
+        return new LinkInfoImpl(openerType, opener.bracketNode, text, label, null, null, afterClose);
     }
 
     private Node wrapBracket(Bracket opener, Node wrapperNode, boolean startFromBracket) {
@@ -879,15 +879,17 @@ public DestinationTitle(String destination, String title) {
     private static class LinkInfoImpl implements LinkInfo {
 
         private final OpenerType openerType;
+        private final Text openingBracket;
         private final String text;
         private final String label;
         private final String destination;
         private final String title;
         private final Position afterTextBracket;
 
-        private LinkInfoImpl(OpenerType openerType, String text, String label,
+        private LinkInfoImpl(OpenerType openerType, Text openingBracket, String text, String label,
                              String destination, String title, Position afterTextBracket) {
             this.openerType = openerType;
+            this.openingBracket = openingBracket;
             this.text = text;
             this.label = label;
             this.destination = destination;
@@ -900,6 +902,11 @@ public OpenerType openerType() {
             return openerType;
         }
 
+        @Override
+        public Text openingBracket() {
+            return openingBracket;
+        }
+
         @Override
         public String text() {
             return text;
diff --git a/commonmark/src/main/java/org/commonmark/node/Node.java b/commonmark/src/main/java/org/commonmark/node/Node.java
index 4f806d550..d95a72c60 100644
--- a/commonmark/src/main/java/org/commonmark/node/Node.java
+++ b/commonmark/src/main/java/org/commonmark/node/Node.java
@@ -86,6 +86,9 @@ public void unlink() {
         this.prev = null;
     }
 
+    /**
+     * Inserts the {@code sibling} node after {@code this} node.
+     */
     public void insertAfter(Node sibling) {
         sibling.unlink();
         sibling.next = this.next;
@@ -100,6 +103,9 @@ public void insertAfter(Node sibling) {
         }
     }
 
+    /**
+     * Inserts the {@code sibling} node before {@code this} node.
+     */
     public void insertBefore(Node sibling) {
         sibling.unlink();
         sibling.prev = this.prev;
@@ -114,7 +120,6 @@ public void insertBefore(Node sibling) {
         }
     }
 
-
     /**
      * @return the source spans of this node if included by the parser, an empty list otherwise
      * @since 0.16.0
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java b/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
index 969afb4bd..cb14e4fad 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
@@ -1,5 +1,8 @@
 package org.commonmark.parser.beta;
 
+import org.commonmark.node.Node;
+import org.commonmark.node.Text;
+
 /**
  * A parsed link or image. There are different types of links.
  * <p>
@@ -44,6 +47,11 @@ enum OpenerType {
      */
     OpenerType openerType();
 
+    /**
+     * The text node of the opening bracket {@code [}.
+     */
+    Text openingBracket();
+
     /**
      * The text between the first brackets, e.g. `foo` in `[foo][bar]`.
      */
@@ -65,7 +73,7 @@ enum OpenerType {
     String title();
 
     /**
-     * The position after the text bracket, e.g.:
+     * The position after the closing text bracket, e.g.:
      * <pre>
      * [foo][bar]
      *      ^

From be9a27fa431372ad94b73097c130c0257a0c219c Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 13 Jul 2024 23:34:45 +1000
Subject: [PATCH 322/450] Generalize link markers and use for inline footnotes

The resulting implementation for the footnotes extension is much nicer.
It also cleans up LinkInfo and makes images less of a special case.

Additionally, this allow inline parsing of markers that are not
part of links - could have done this without this change but noticed
it here and decided to fix it.
---
 .../ext/footnotes/FootnotesExtension.java     |  3 +-
 .../internal/FootnoteLinkProcessor.java       | 10 +--
 .../internal/InlineFootnoteMarker.java        |  6 --
 .../internal/InlineFootnoteMarkerParser.java  | 40 ---------
 .../internal/InlineFootnoteMarkerRemover.java | 29 -------
 .../ext/footnotes/FootnotesTest.java          | 16 ++--
 .../java/org/commonmark/internal/Bracket.java | 28 +++---
 .../commonmark/internal/DocumentParser.java   |  6 +-
 .../internal/InlineParserContextImpl.java     |  9 ++
 .../commonmark/internal/InlineParserImpl.java | 85 ++++++++++++-------
 .../internal/inline/CoreLinkProcessor.java    | 16 ++--
 .../internal/inline/LinkResultImpl.java       | 10 +--
 .../parser/InlineParserContext.java           |  6 ++
 .../java/org/commonmark/parser/Parser.java    | 31 +++++--
 .../org/commonmark/parser/beta/LinkInfo.java  | 24 ++----
 .../commonmark/parser/beta/LinkResult.java    |  5 +-
 .../parser/InlineContentParserTest.java       | 40 +++++++++
 .../parser/beta/LinkProcessorTest.java        | 25 ++++++
 .../test/InlineParserContextTest.java         |  6 ++
 19 files changed, 212 insertions(+), 183 deletions(-)
 delete mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarker.java
 delete mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerParser.java
 delete mode 100644 commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerRemover.java
 create mode 100644 commonmark/src/test/java/org/commonmark/parser/beta/LinkProcessorTest.java

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
index 48acc65aa..e2f90c239 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
@@ -60,8 +60,7 @@ public void extend(Parser.Builder parserBuilder) {
                 .customBlockParserFactory(new FootnoteBlockParser.Factory())
                 .linkProcessor(new FootnoteLinkProcessor());
         if (inlineFootnotes) {
-            parserBuilder.customInlineContentParserFactory(new InlineFootnoteMarkerParser.Factory())
-                    .postProcessor(new InlineFootnoteMarkerRemover());
+            parserBuilder.linkMarker('^');
         }
     }
 
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
index ca8e2d557..b2b420bae 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
@@ -19,10 +19,10 @@ public class FootnoteLinkProcessor implements LinkProcessor {
     @Override
     public LinkResult process(LinkInfo linkInfo, Scanner scanner, InlineParserContext context) {
 
-        var beforeBracket = linkInfo.openingBracket().getPrevious();
-        if (beforeBracket instanceof InlineFootnoteMarker) {
-            beforeBracket.unlink();
-            return LinkResult.wrapTextIn(new InlineFootnote(), linkInfo.afterTextBracket());
+        if (linkInfo.marker() != null && linkInfo.marker().getLiteral().equals("^")) {
+            // An inline footnote like ^[footnote text]. Note that we only get the marker here if the option is enabled
+            // on the extension.
+            return LinkResult.wrapTextIn(new InlineFootnote(), linkInfo.afterTextBracket()).includeMarker();
         }
 
         if (linkInfo.destination() != null) {
@@ -53,6 +53,6 @@ public LinkResult process(LinkInfo linkInfo, Scanner scanner, InlineParserContex
         // For footnotes, we only ever consume the text part of the link, not the label part (if any)
         var position = linkInfo.afterTextBracket();
         // If the marker is `![`, we don't want to include the `!`, so start from bracket
-        return LinkResult.replaceWith(new FootnoteReference(label), position).startFromBracket();
+        return LinkResult.replaceWith(new FootnoteReference(label), position);
     }
 }
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarker.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarker.java
deleted file mode 100644
index 7d1ebf802..000000000
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarker.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package org.commonmark.ext.footnotes.internal;
-
-import org.commonmark.node.CustomNode;
-
-public class InlineFootnoteMarker extends CustomNode {
-}
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerParser.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerParser.java
deleted file mode 100644
index 7de1f74bd..000000000
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerParser.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package org.commonmark.ext.footnotes.internal;
-
-import org.commonmark.parser.beta.InlineContentParser;
-import org.commonmark.parser.beta.InlineContentParserFactory;
-import org.commonmark.parser.beta.InlineParserState;
-import org.commonmark.parser.beta.ParsedInline;
-
-import java.util.Set;
-
-/**
- * Parses any potential inline footnote markers (any `^` before `[`). Later we'll either use it in
- * {@link FootnoteLinkProcessor}, or remove any unused ones in {@link InlineFootnoteMarkerRemover}.
- */
-public class InlineFootnoteMarkerParser implements InlineContentParser {
-    @Override
-    public ParsedInline tryParse(InlineParserState inlineParserState) {
-        var scanner = inlineParserState.scanner();
-        // Skip ^
-        scanner.next();
-
-        if (scanner.peek() == '[') {
-            return ParsedInline.of(new InlineFootnoteMarker(), scanner.position());
-        } else {
-            return ParsedInline.none();
-        }
-    }
-
-    public static class Factory implements InlineContentParserFactory {
-
-        @Override
-        public Set<Character> getTriggerCharacters() {
-            return Set.of('^');
-        }
-
-        @Override
-        public InlineContentParser create() {
-            return new InlineFootnoteMarkerParser();
-        }
-    }
-}
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerRemover.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerRemover.java
deleted file mode 100644
index 67fbd7111..000000000
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/InlineFootnoteMarkerRemover.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package org.commonmark.ext.footnotes.internal;
-
-import org.commonmark.node.AbstractVisitor;
-import org.commonmark.node.CustomNode;
-import org.commonmark.node.Node;
-import org.commonmark.node.Text;
-import org.commonmark.parser.PostProcessor;
-
-/**
- * Remove any markers that have been parsed by {@link InlineFootnoteMarkerParser} but haven't been used in
- * {@link FootnoteLinkProcessor}.
- */
-public class InlineFootnoteMarkerRemover extends AbstractVisitor implements PostProcessor {
-    @Override
-    public Node process(Node node) {
-        node.accept(this);
-        return node;
-    }
-
-    @Override
-    public void visit(CustomNode customNode) {
-        if (customNode instanceof InlineFootnoteMarker) {
-            var text = new Text("^");
-            text.setSourceSpans(customNode.getSourceSpans());
-            customNode.insertAfter(text);
-            customNode.unlink();
-        }
-    }
-}
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 25e645472..9090623cb 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -1,7 +1,6 @@
 package org.commonmark.ext.footnotes;
 
 import org.commonmark.Extension;
-import org.commonmark.ext.footnotes.internal.InlineFootnoteMarker;
 import org.commonmark.node.*;
 import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
@@ -246,7 +245,6 @@ public void testInlineFootnote() {
             assertText("Test ", doc.getFirstChild().getFirstChild());
             var fn = find(doc, InlineFootnote.class);
             assertText("inline footnote", fn.getFirstChild());
-            assertNull(tryFind(doc, InlineFootnoteMarker.class));
         }
 
         {
@@ -257,12 +255,8 @@ public void testInlineFootnote() {
         {
             var doc = parser.parse("Test ^[not inline footnote");
             assertNull(tryFind(doc, InlineFootnote.class));
-            assertNull(tryFind(doc, InlineFootnoteMarker.class));
             var t = doc.getFirstChild().getFirstChild();
-            // This is not ideal; text nodes aren't merged after post-processing
-            assertText("Test ", t);
-            assertText("^", t.getNext());
-            assertText("[not inline footnote", t.getNext().getNext());
+            assertText("Test ^[not inline footnote", t);
         }
 
         {
@@ -277,6 +271,14 @@ public void testInlineFootnote() {
             var code = fn.getFirstChild().getNext();
             assertEquals("bla]", ((Code) code).getLiteral());
         }
+
+        {
+            var doc = parser.parse("^[with a [link](url)]");
+            var fn = find(doc, InlineFootnote.class);
+            assertText("with a ", fn.getFirstChild());
+            var link = fn.getFirstChild().getNext();
+            assertEquals("url", ((Link) link).getDestination());
+        }
     }
 
     @Test
diff --git a/commonmark/src/main/java/org/commonmark/internal/Bracket.java b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
index c2e14f4f1..c04b6ecda 100644
--- a/commonmark/src/main/java/org/commonmark/internal/Bracket.java
+++ b/commonmark/src/main/java/org/commonmark/internal/Bracket.java
@@ -4,19 +4,19 @@
 import org.commonmark.parser.beta.Position;
 
 /**
- * Opening bracket for links (<code>[</code>) or images (<code>![</code>).
+ * Opening bracket for links ({@code [}), images ({@code ![}), or links with other markers.
  */
 public class Bracket {
 
     /**
-     * The node of {@code !} if present, null otherwise.
+     * The node of a marker such as {@code !} if present, null otherwise.
      */
-    public final Text bangNode;
+    public final Text markerNode;
 
     /**
-     * The position of {@code !} if present, null otherwise.
+     * The position of the marker if present, null otherwise.
      */
-    public final Position bangPosition;
+    public final Position markerPosition;
 
     /**
      * The node of {@code [}.
@@ -33,11 +33,6 @@ public class Bracket {
      */
     public final Position contentPosition;
 
-    /**
-     * Whether this is an image or link.
-     */
-    public final boolean image;
-
     /**
      * Previous bracket.
      */
@@ -59,20 +54,19 @@ public class Bracket {
     public boolean bracketAfter = false;
 
     static public Bracket link(Text bracketNode, Position bracketPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
-        return new Bracket(null, null, bracketNode, bracketPosition, contentPosition, previous, previousDelimiter, false);
+        return new Bracket(null, null, bracketNode, bracketPosition, contentPosition, previous, previousDelimiter);
     }
 
-    static public Bracket image(Text bangNode, Position bangPosition, Text bracketNode, Position bracketPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
-        return new Bracket(bangNode, bangPosition, bracketNode, bracketPosition, contentPosition, previous, previousDelimiter, true);
+    static public Bracket withMarker(Text markerNode, Position markerPosition, Text bracketNode, Position bracketPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
+        return new Bracket(markerNode, markerPosition, bracketNode, bracketPosition, contentPosition, previous, previousDelimiter);
     }
 
-    private Bracket(Text bangNode, Position bangPosition, Text bracketNode, Position bracketPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter, boolean image) {
-        this.bangNode = bangNode;
-        this.bangPosition = bangPosition;
+    private Bracket(Text markerNode, Position markerPosition, Text bracketNode, Position bracketPosition, Position contentPosition, Bracket previous, Delimiter previousDelimiter) {
+        this.markerNode = markerNode;
+        this.markerPosition = markerPosition;
         this.bracketNode = bracketNode;
         this.bracketPosition = bracketPosition;
         this.contentPosition = contentPosition;
-        this.image = image;
         this.previous = previous;
         this.previousDelimiter = previousDelimiter;
     }
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 0556626cf..107001742 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -74,6 +74,7 @@ public class DocumentParser implements ParserState {
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
     private final List<LinkProcessor> linkProcessors;
+    private final Set<Character> linkMarkers;
     private final IncludeSourceSpans includeSourceSpans;
     private final DocumentBlockParser documentBlockParser;
     private final Definitions definitions = new Definitions();
@@ -83,12 +84,13 @@ public class DocumentParser implements ParserState {
 
     public DocumentParser(List<BlockParserFactory> blockParserFactories, InlineParserFactory inlineParserFactory,
                           List<InlineContentParserFactory> inlineContentParserFactories, List<DelimiterProcessor> delimiterProcessors,
-                          List<LinkProcessor> linkProcessors, IncludeSourceSpans includeSourceSpans) {
+                          List<LinkProcessor> linkProcessors, Set<Character> linkMarkers, IncludeSourceSpans includeSourceSpans) {
         this.blockParserFactories = blockParserFactories;
         this.inlineParserFactory = inlineParserFactory;
         this.inlineContentParserFactories = inlineContentParserFactories;
         this.delimiterProcessors = delimiterProcessors;
         this.linkProcessors = linkProcessors;
+        this.linkMarkers = linkMarkers;
         this.includeSourceSpans = includeSourceSpans;
 
         this.documentBlockParser = new DocumentBlockParser();
@@ -466,7 +468,7 @@ private BlockStartImpl findBlockStart(BlockParser blockParser) {
      * Walk through a block & children recursively, parsing string content into inline content where appropriate.
      */
     private void processInlines() {
-        var context = new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, linkProcessors, definitions);
+        var context = new InlineParserContextImpl(inlineContentParserFactories, delimiterProcessors, linkProcessors, linkMarkers, definitions);
         var inlineParser = inlineParserFactory.create(context);
 
         for (var blockParser : allBlockParsers) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
index 2f03b2052..233041f62 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserContextImpl.java
@@ -7,21 +7,25 @@
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.util.List;
+import java.util.Set;
 
 public class InlineParserContextImpl implements InlineParserContext {
 
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
     private final List<LinkProcessor> linkProcessors;
+    private final Set<Character> linkMarkers;
     private final Definitions definitions;
 
     public InlineParserContextImpl(List<InlineContentParserFactory> inlineContentParserFactories,
                                    List<DelimiterProcessor> delimiterProcessors,
                                    List<LinkProcessor> linkProcessors,
+                                   Set<Character> linkMarkers,
                                    Definitions definitions) {
         this.inlineContentParserFactories = inlineContentParserFactories;
         this.delimiterProcessors = delimiterProcessors;
         this.linkProcessors = linkProcessors;
+        this.linkMarkers = linkMarkers;
         this.definitions = definitions;
     }
 
@@ -40,6 +44,11 @@ public List<LinkProcessor> getCustomLinkProcessors() {
         return linkProcessors;
     }
 
+    @Override
+    public Set<Character> getCustomLinkMarkers() {
+        return linkMarkers;
+    }
+
     @Override
     public LinkReferenceDefinition getLinkReferenceDefinition(String label) {
         return definitions.getDefinition(LinkReferenceDefinition.class, label);
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index d18365b6d..44f153e00 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -21,6 +21,7 @@ public class InlineParserImpl implements InlineParser, InlineParserState {
     private final Map<Character, DelimiterProcessor> delimiterProcessors;
     private final List<LinkProcessor> linkProcessors;
     private final BitSet specialCharacters;
+    private final BitSet linkMarkers;
 
     private Map<Character, List<InlineContentParser>> inlineParsers;
     private Scanner scanner;
@@ -43,7 +44,8 @@ public InlineParserImpl(InlineParserContext context) {
         this.inlineContentParserFactories = calculateInlineContentParserFactories(context.getCustomInlineContentParserFactories());
         this.delimiterProcessors = calculateDelimiterProcessors(context.getCustomDelimiterProcessors());
         this.linkProcessors = calculateLinkProcessors(context.getCustomLinkProcessors());
-        this.specialCharacters = calculateSpecialCharacters(this.delimiterProcessors.keySet(), this.inlineContentParserFactories);
+        this.linkMarkers = calculateLinkMarkers(context.getCustomLinkMarkers());
+        this.specialCharacters = calculateSpecialCharacters(linkMarkers, this.delimiterProcessors.keySet(), this.inlineContentParserFactories);
     }
 
     private List<InlineContentParserFactory> calculateInlineContentParserFactories(List<InlineContentParserFactory> customFactories) {
@@ -104,9 +106,19 @@ private static void addDelimiterProcessorForChar(char delimiterChar, DelimiterPr
         }
     }
 
-    private static BitSet calculateSpecialCharacters(Set<Character> delimiterCharacters,
+    private static BitSet calculateLinkMarkers(Set<Character> linkMarkers) {
+        var bitSet = new BitSet();
+        for (var c : linkMarkers) {
+            bitSet.set(c);
+        }
+        bitSet.set('!');
+        return bitSet;
+    }
+
+    private static BitSet calculateSpecialCharacters(BitSet linkMarkers,
+                                                     Set<Character> delimiterCharacters,
                                                      List<InlineContentParserFactory> inlineContentParserFactories) {
-        BitSet bitSet = new BitSet();
+        BitSet bitSet = (BitSet) linkMarkers.clone();
         for (Character c : delimiterCharacters) {
             bitSet.set(c);
         }
@@ -185,8 +197,6 @@ private List<? extends Node> parseInline() {
         switch (c) {
             case '[':
                 return List.of(parseOpenBracket());
-            case '!':
-                return parseBang();
             case ']':
                 return List.of(parseCloseBracket());
             case '\n':
@@ -195,6 +205,16 @@ private List<? extends Node> parseInline() {
                 return null;
         }
 
+        if (linkMarkers.get(c)) {
+            var markerPosition = scanner.position();
+            var nodes = parseLinkMarker();
+            if (nodes != null) {
+                return nodes;
+            }
+            // Reset and try other things (e.g. inline parsers below)
+            scanner.setPosition(markerPosition);
+        }
+
         // No inline parser, delimiter or other special handling.
         if (!specialCharacters.get(c)) {
             return List.of(parseText());
@@ -269,23 +289,23 @@ private Node parseOpenBracket() {
     }
 
     /**
-     * If next character is [, and ! delimiter to delimiter stack and add a text node to block's children.
-     * Otherwise just add a text node.
+     * If next character is {@code [}, add a bracket to the stack.
+     * Otherwise, return null.
      */
-    private List<? extends Node> parseBang() {
-        var bangPosition = scanner.position();
+    private List<? extends Node> parseLinkMarker() {
+        var markerPosition = scanner.position();
         scanner.next();
         var bracketPosition = scanner.position();
         if (scanner.next('[')) {
             var contentPosition = scanner.position();
-            var bangNode = text(scanner.getSource(bangPosition, bracketPosition));
+            var bangNode = text(scanner.getSource(markerPosition, bracketPosition));
             var bracketNode = text(scanner.getSource(bracketPosition, contentPosition));
 
             // Add entry to stack for this opener
-            addBracket(Bracket.image(bangNode, bangPosition, bracketNode, bracketPosition, contentPosition, lastBracket, lastDelimiter));
+            addBracket(Bracket.withMarker(bangNode, markerPosition, bracketNode, bracketPosition, contentPosition, lastBracket, lastDelimiter));
             return List.of(bangNode, bracketNode);
         } else {
-            return List.of(text(scanner.getSource(bangPosition, scanner.position())));
+            return null;
         }
     }
 
@@ -340,15 +360,15 @@ private Node parseLinkOrImage(Bracket opener, Position beforeClose) {
             var result = (LinkResultImpl) linkResult;
             var node = result.getNode();
             var position = result.getPosition();
-            var startFromBracket = result.isStartFromBracket();
+            var includeMarker = result.isIncludeMarker();
 
             switch (result.getType()) {
                 case WRAP:
                     scanner.setPosition(position);
-                    return wrapBracket(opener, node, startFromBracket);
+                    return wrapBracket(opener, node, includeMarker);
                 case REPLACE:
                     scanner.setPosition(position);
-                    return replaceBracket(opener, node, startFromBracket);
+                    return replaceBracket(opener, node, includeMarker);
             }
         }
 
@@ -363,7 +383,6 @@ private LinkInfo parseLinkInfo(Bracket opener, Position beforeClose) {
         //   - Collapsed: `[foo][]`    (foo is both the text and label)
         //   - Shortcut:  `[foo]`      (foo is both the text and label)
 
-        var openerType = opener.image ? LinkInfo.OpenerType.IMAGE : LinkInfo.OpenerType.LINK;
         String text = scanner.getSource(opener.contentPosition, beforeClose).getContent();
 
         // Starting position is after the closing `]`
@@ -372,7 +391,7 @@ private LinkInfo parseLinkInfo(Bracket opener, Position beforeClose) {
         // Maybe an inline link/image
         var destinationTitle = parseInlineDestinationTitle(scanner);
         if (destinationTitle != null) {
-            return new LinkInfoImpl(openerType, opener.bracketNode, text, null, destinationTitle.destination, destinationTitle.title, afterClose);
+            return new LinkInfoImpl(opener.markerNode, opener.bracketNode, text, null, destinationTitle.destination, destinationTitle.title, afterClose);
         }
         // Not an inline link/image, rewind back to after `]`.
         scanner.setPosition(afterClose);
@@ -388,16 +407,16 @@ private LinkInfo parseLinkInfo(Bracket opener, Position beforeClose) {
             scanner.setPosition(afterClose);
         }
         var textIsReference = label == null || label.isEmpty();
-        if (opener.bracketAfter && textIsReference) {
+        if (opener.bracketAfter && textIsReference && opener.markerNode == null) {
             // In case of shortcut or collapsed links, the text is used as the reference. But the reference is not allowed to
             // contain an unescaped bracket, so if that's the case we don't need to continue. This is an optimization.
             return null;
         }
 
-        return new LinkInfoImpl(openerType, opener.bracketNode, text, label, null, null, afterClose);
+        return new LinkInfoImpl(opener.markerNode, opener.bracketNode, text, label, null, null, afterClose);
     }
 
-    private Node wrapBracket(Bracket opener, Node wrapperNode, boolean startFromBracket) {
+    private Node wrapBracket(Bracket opener, Node wrapperNode, boolean includeMarker) {
         // Add all nodes between the opening bracket and now (closing bracket) as child nodes of the link
         Node n = opener.bracketNode.getNext();
         while (n != null) {
@@ -407,7 +426,7 @@ private Node wrapBracket(Bracket opener, Node wrapperNode, boolean startFromBrac
         }
 
         if (includeSourceSpans) {
-            var startPosition = opener.bangPosition == null || startFromBracket ? opener.bracketPosition : opener.bangPosition;
+            var startPosition = includeMarker && opener.markerPosition != null ? opener.markerPosition : opener.bracketPosition;
             wrapperNode.setSourceSpans(scanner.getSource(startPosition, scanner.position()).getSourceSpans());
         }
 
@@ -415,17 +434,17 @@ private Node wrapBracket(Bracket opener, Node wrapperNode, boolean startFromBrac
         processDelimiters(opener.previousDelimiter);
         mergeChildTextNodes(wrapperNode);
         // We don't need the corresponding text node anymore, we turned it into a link/image node
-        if (opener.bangNode != null && !startFromBracket) {
-            opener.bangNode.unlink();
+        if (includeMarker && opener.markerNode != null) {
+            opener.markerNode.unlink();
         }
         opener.bracketNode.unlink();
         removeLastBracket();
 
         // Links within links are not allowed. We found this link, so there can be no other link around it.
-        if (!opener.image) {
+        if (opener.markerNode == null) {
             Bracket bracket = lastBracket;
             while (bracket != null) {
-                if (!bracket.image) {
+                if (bracket.markerNode == null) {
                     // Disallow link opener. It will still get matched, but will not result in a link.
                     bracket.allowed = false;
                 }
@@ -436,21 +455,21 @@ private Node wrapBracket(Bracket opener, Node wrapperNode, boolean startFromBrac
         return wrapperNode;
     }
 
-    private Node replaceBracket(Bracket opener, Node node, boolean startFromBracket) {
+    private Node replaceBracket(Bracket opener, Node node, boolean includeMarker) {
         // Remove delimiters (but keep text nodes)
         while (lastDelimiter != null && lastDelimiter != opener.previousDelimiter) {
             removeDelimiterKeepNode(lastDelimiter);
         }
 
         if (includeSourceSpans) {
-            var startPosition = opener.bangPosition == null || startFromBracket ? opener.bracketPosition : opener.bangPosition;
+            var startPosition = includeMarker && opener.markerPosition != null ? opener.markerPosition : opener.bracketPosition;
             node.setSourceSpans(scanner.getSource(startPosition, scanner.position()).getSourceSpans());
         }
 
         removeLastBracket();
 
         // Remove nodes that we added since the opener, because we're replacing them
-        Node n = opener.bangNode == null || startFromBracket ? opener.bracketNode : opener.bangNode;
+        Node n = includeMarker && opener.markerNode != null ? opener.markerNode : opener.bracketNode;
         while (n != null) {
             var next = n.getNext();
             n.unlink();
@@ -878,7 +897,7 @@ public DestinationTitle(String destination, String title) {
 
     private static class LinkInfoImpl implements LinkInfo {
 
-        private final OpenerType openerType;
+        private final Text marker;
         private final Text openingBracket;
         private final String text;
         private final String label;
@@ -886,9 +905,9 @@ private static class LinkInfoImpl implements LinkInfo {
         private final String title;
         private final Position afterTextBracket;
 
-        private LinkInfoImpl(OpenerType openerType, Text openingBracket, String text, String label,
+        private LinkInfoImpl(Text marker, Text openingBracket, String text, String label,
                              String destination, String title, Position afterTextBracket) {
-            this.openerType = openerType;
+            this.marker = marker;
             this.openingBracket = openingBracket;
             this.text = text;
             this.label = label;
@@ -898,8 +917,8 @@ private LinkInfoImpl(OpenerType openerType, Text openingBracket, String text, St
         }
 
         @Override
-        public OpenerType openerType() {
-            return openerType;
+        public Text marker() {
+            return marker;
         }
 
         @Override
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/CoreLinkProcessor.java b/commonmark/src/main/java/org/commonmark/internal/inline/CoreLinkProcessor.java
index 896b375da..528750aba 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/CoreLinkProcessor.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/CoreLinkProcessor.java
@@ -3,7 +3,6 @@
 import org.commonmark.node.Image;
 import org.commonmark.node.Link;
 import org.commonmark.node.LinkReferenceDefinition;
-import org.commonmark.node.Node;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.beta.LinkInfo;
 import org.commonmark.parser.beta.LinkProcessor;
@@ -16,8 +15,7 @@ public class CoreLinkProcessor implements LinkProcessor {
     public LinkResult process(LinkInfo linkInfo, Scanner scanner, InlineParserContext context) {
         if (linkInfo.destination() != null) {
             // Inline link
-            var node = createNode(linkInfo, linkInfo.destination(), linkInfo.title());
-            return LinkResult.wrapTextIn(node, scanner.position());
+            return process(linkInfo, scanner, linkInfo.destination(), linkInfo.title());
         }
 
         var label = linkInfo.label();
@@ -25,15 +23,15 @@ public LinkResult process(LinkInfo linkInfo, Scanner scanner, InlineParserContex
         var def = context.getDefinition(LinkReferenceDefinition.class, ref);
         if (def != null) {
             // Reference link
-            var node = createNode(linkInfo, def.getDestination(), def.getTitle());
-            return LinkResult.wrapTextIn(node, scanner.position());
+            return process(linkInfo, scanner, def.getDestination(), def.getTitle());
         }
         return LinkResult.none();
     }
 
-    private static Node createNode(LinkInfo linkInfo, String destination, String title) {
-        return linkInfo.openerType() == LinkInfo.OpenerType.IMAGE ?
-                new Image(destination, title) :
-                new Link(destination, title);
+    private static LinkResult process(LinkInfo linkInfo, Scanner scanner, String destination, String title) {
+        if (linkInfo.marker() != null && linkInfo.marker().getLiteral().equals("!")) {
+            return LinkResult.wrapTextIn(new Image(destination, title), scanner.position()).includeMarker();
+        }
+        return LinkResult.wrapTextIn(new Link(destination, title), scanner.position());
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/inline/LinkResultImpl.java b/commonmark/src/main/java/org/commonmark/internal/inline/LinkResultImpl.java
index d51f2f4cf..c05b24451 100644
--- a/commonmark/src/main/java/org/commonmark/internal/inline/LinkResultImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/inline/LinkResultImpl.java
@@ -6,8 +6,8 @@
 
 public class LinkResultImpl implements LinkResult {
     @Override
-    public LinkResult startFromBracket() {
-        startFromBracket = true;
+    public LinkResult includeMarker() {
+        includeMarker = true;
         return this;
     }
 
@@ -20,7 +20,7 @@ public enum Type {
     private final Node node;
     private final Position position;
 
-    private boolean startFromBracket;
+    private boolean includeMarker = false;
 
     public LinkResultImpl(Type type, Node node, Position position) {
         this.type = type;
@@ -40,7 +40,7 @@ public Position getPosition() {
         return position;
     }
 
-    public boolean isStartFromBracket() {
-        return startFromBracket;
+    public boolean isIncludeMarker() {
+        return includeMarker;
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
index 74162d448..12007610b 100644
--- a/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
+++ b/commonmark/src/main/java/org/commonmark/parser/InlineParserContext.java
@@ -6,6 +6,7 @@
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.util.List;
+import java.util.Set;
 
 /**
  * Context for inline parsing.
@@ -29,6 +30,11 @@ public interface InlineParserContext {
      */
     List<LinkProcessor> getCustomLinkProcessors();
 
+    /**
+     * @return custom link markers that have been configured with {@link Parser.Builder#linkMarker}.
+     */
+    Set<Character> getCustomLinkMarkers();
+
     /**
      * Look up a {@link LinkReferenceDefinition} for a given label.
      * <p>
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 571fbf8c4..150f3aaf9 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -6,17 +6,16 @@
 import org.commonmark.internal.InlineParserContextImpl;
 import org.commonmark.internal.InlineParserImpl;
 import org.commonmark.node.*;
+import org.commonmark.parser.beta.LinkInfo;
 import org.commonmark.parser.beta.LinkProcessor;
 import org.commonmark.parser.beta.InlineContentParserFactory;
+import org.commonmark.parser.beta.LinkResult;
 import org.commonmark.parser.block.BlockParserFactory;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 
 import java.io.IOException;
 import java.io.Reader;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Objects;
-import java.util.Set;
+import java.util.*;
 
 
 /**
@@ -34,6 +33,7 @@ public class Parser {
     private final List<InlineContentParserFactory> inlineContentParserFactories;
     private final List<DelimiterProcessor> delimiterProcessors;
     private final List<LinkProcessor> linkProcessors;
+    private final Set<Character> linkMarkers;
     private final InlineParserFactory inlineParserFactory;
     private final List<PostProcessor> postProcessors;
     private final IncludeSourceSpans includeSourceSpans;
@@ -45,12 +45,13 @@ private Parser(Builder builder) {
         this.inlineContentParserFactories = builder.inlineContentParserFactories;
         this.delimiterProcessors = builder.delimiterProcessors;
         this.linkProcessors = builder.linkProcessors;
+        this.linkMarkers = builder.linkMarkers;
         this.includeSourceSpans = builder.includeSourceSpans;
 
         // Try to construct an inline parser. Invalid configuration might result in an exception, which we want to
         // detect as soon as possible.
         var context = new InlineParserContextImpl(
-                inlineContentParserFactories, delimiterProcessors, linkProcessors, new Definitions());
+                inlineContentParserFactories, delimiterProcessors, linkProcessors, linkMarkers, new Definitions());
         this.inlineParserFactory.create(context);
     }
 
@@ -105,7 +106,7 @@ public Node parseReader(Reader input) throws IOException {
 
     private DocumentParser createDocumentParser() {
         return new DocumentParser(blockParserFactories, inlineParserFactory, inlineContentParserFactories,
-                delimiterProcessors, linkProcessors, includeSourceSpans);
+                delimiterProcessors, linkProcessors, linkMarkers, includeSourceSpans);
     }
 
     private Node postProcess(Node document) {
@@ -124,6 +125,7 @@ public static class Builder {
         private final List<DelimiterProcessor> delimiterProcessors = new ArrayList<>();
         private final List<LinkProcessor> linkProcessors = new ArrayList<>();
         private final List<PostProcessor> postProcessors = new ArrayList<>();
+        private final Set<Character> linkMarkers = new HashSet<>();
         private Set<Class<? extends Block>> enabledBlockTypes = DocumentParser.getDefaultBlockParserTypes();
         private InlineParserFactory inlineParserFactory;
         private IncludeSourceSpans includeSourceSpans = IncludeSourceSpans.NONE;
@@ -262,6 +264,23 @@ public Builder linkProcessor(LinkProcessor linkProcessor) {
             return this;
         }
 
+        /**
+         * Add a custom link marker for link processing. A link marker is a character like {@code !} which, if it
+         * appears before the {@code [} of a link, changes the meaning of the link.
+         * <p>
+         * If a link marker followed by a valid link is parsed, the {@link org.commonmark.parser.beta.LinkInfo}
+         * that is passed to {@link LinkProcessor} will have its {@link LinkInfo#marker()} set. A link processor should
+         * check the {@link Text#getLiteral()} and then do any processing, and will probably want to use {@link LinkResult#includeMarker()}.
+         *
+         * @param linkMarker a link marker character
+         * @return {@code this}
+         */
+        public Builder linkMarker(Character linkMarker) {
+            Objects.requireNonNull(linkMarker, "linkMarker must not be null");
+            linkMarkers.add(linkMarker);
+            return this;
+        }
+
         public Builder postProcessor(PostProcessor postProcessor) {
             Objects.requireNonNull(postProcessor, "postProcessor must not be null");
             postProcessors.add(postProcessor);
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java b/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
index cb14e4fad..b2fda57e4 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/LinkInfo.java
@@ -1,10 +1,9 @@
 package org.commonmark.parser.beta;
 
-import org.commonmark.node.Node;
 import org.commonmark.node.Text;
 
 /**
- * A parsed link or image. There are different types of links.
+ * A parsed link/image. There are different types of links.
  * <p>
  * Inline links:
  * <pre>
@@ -24,28 +23,15 @@
  * <pre>
  * [text]
  * </pre>
- * Images use the same syntax as links but with a {@code !} in front, e.g. {@code ![text](destination)}.
+ * Images use the same syntax as links but with a {@code !} {@link #marker()} front, e.g. {@code ![text](destination)}.
  */
 public interface LinkInfo {
-    enum OpenerType {
-        /**
-         * An image (a {@code !} before the {@code [})
-         */
-        IMAGE,
-        /**
-         * A link
-         */
-        LINK
-    }
 
     /**
-     * The type of opener of this link/image:
-     * <ul>
-     * <li>{@link OpenerType#LINK} for links like {@code [text...}</li>
-     * <li>{@link OpenerType#IMAGE} for images like {@code ![text...}</li>
-     * </ul>
+     * The marker if present, or null. A marker is e.g. {@code !} for an image, or a custom marker as specified in
+     * {@link org.commonmark.parser.Parser.Builder#linkMarker}.
      */
-    OpenerType openerType();
+    Text marker();
 
     /**
      * The text node of the opening bracket {@code [}.
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java b/commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java
index d7edcc3d1..43bc82af8 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/LinkResult.java
@@ -44,8 +44,7 @@ static LinkResult replaceWith(Node node, Position position) {
     }
 
     /**
-     * Instead of processing the full node (e.g. {@code ![image]}, only start from the bracket (e.g. {@code [image]}).
-     * This is useful for excluding the {@code !} character denoting an image. It will just be left as text instead.
+     * If a {@link LinkInfo#marker()} is present, include it in processing (i.e. treat it the same way as the brackets).
      */
-    LinkResult startFromBracket();
+    LinkResult includeMarker();
 }
diff --git a/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
index 28e9b5748..ed97b6f31 100644
--- a/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
@@ -2,6 +2,8 @@
 
 import org.commonmark.node.CustomNode;
 import org.commonmark.node.Heading;
+import org.commonmark.node.Image;
+import org.commonmark.node.Text;
 import org.commonmark.parser.beta.InlineContentParser;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.beta.InlineParserState;
@@ -35,6 +37,19 @@ public void customInlineContentParser() {
         assertEquals(0, inline3.getIndex());
     }
 
+    @Test
+    public void bangInlineContentParser() {
+        // See if using ! for a custom inline content parser works.
+        // ![] is used for images, but if it's not followed by a [, it should be possible to parse it differently.
+        var parser = Parser.builder().customInlineContentParserFactory(new BangInlineParser.Factory()).build();
+        var doc = parser.parse("![image](url) !notimage");
+        var image = Nodes.find(doc, Image.class);
+        assertEquals("url", image.getDestination());
+        assertEquals(" ", ((Text) image.getNext()).getLiteral());
+        assertEquals(BangInline.class, image.getNext().getNext().getClass());
+        assertEquals("notimage", ((Text) image.getNext().getNext().getNext()).getLiteral());
+    }
+
     private static class DollarInline extends CustomNode {
         private final String literal;
         private final int index;
@@ -84,4 +99,29 @@ public InlineContentParser create() {
             }
         }
     }
+
+    private static class BangInline extends CustomNode {
+    }
+
+    private static class BangInlineParser implements InlineContentParser {
+
+        @Override
+        public ParsedInline tryParse(InlineParserState inlineParserState) {
+            var scanner = inlineParserState.scanner();
+            scanner.next();
+            return ParsedInline.of(new BangInline(), scanner.position());
+        }
+
+        static class Factory implements InlineContentParserFactory {
+            @Override
+            public Set<Character> getTriggerCharacters() {
+                return Set.of('!');
+            }
+
+            @Override
+            public InlineContentParser create() {
+                return new BangInlineParser();
+            }
+        }
+    }
 }
diff --git a/commonmark/src/test/java/org/commonmark/parser/beta/LinkProcessorTest.java b/commonmark/src/test/java/org/commonmark/parser/beta/LinkProcessorTest.java
new file mode 100644
index 000000000..6209ac9a0
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/parser/beta/LinkProcessorTest.java
@@ -0,0 +1,25 @@
+package org.commonmark.parser.beta;
+
+import org.commonmark.node.Link;
+import org.commonmark.node.Text;
+import org.commonmark.parser.Parser;
+import org.commonmark.test.Nodes;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class LinkProcessorTest {
+    @Test
+    public void testLinkMarkerShouldNotBeIncludedByDefault() {
+        // If a link marker is registered but is not processed, the built-in link processor shouldn't consume it.
+        // And I think by default, other processors shouldn't consume it either (by accident).
+        // So requiring processors to opt into including the marker is better than requiring them to opt out,
+        // because processors that look for a marker already need to write some code to deal with the marker anyway,
+        // and will have tests ensuring that the marker is part of the parsed node, not the text.
+        var parser = Parser.builder().linkMarker('^').build();
+        var doc = parser.parse("^[test](url)");
+        var link = Nodes.find(doc, Link.class);
+        assertEquals("url", link.getDestination());
+        assertEquals("^", ((Text) link.getPrevious()).getLiteral());
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
index 264eb35d6..2f2463ccb 100644
--- a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
@@ -14,6 +14,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Set;
 
 import static org.junit.Assert.assertEquals;
 
@@ -57,6 +58,11 @@ public List<LinkProcessor> getCustomLinkProcessors() {
                     return inlineParserContext.getCustomLinkProcessors();
                 }
 
+                @Override
+                public Set<Character> getCustomLinkMarkers() {
+                    return inlineParserContext.getCustomLinkMarkers();
+                }
+
                 @Override
                 public LinkReferenceDefinition getLinkReferenceDefinition(String label) {
                     return getDefinition(LinkReferenceDefinition.class, label);

From 257e4a44469436cc259afd15831ce2e3edc4b31a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 7 Sep 2024 17:39:02 +1000
Subject: [PATCH 323/450] Inline footnotes rendering (first part)

---
 .../internal/FootnoteHtmlNodeRenderer.java    | 91 ++++++++++++-------
 .../footnotes/FootnoteHtmlRendererTest.java   | 25 +++++
 2 files changed, 85 insertions(+), 31 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
index dbae3ab90..2fe59b195 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.ext.footnotes.FootnoteDefinition;
 import org.commonmark.ext.footnotes.FootnoteReference;
+import org.commonmark.ext.footnotes.InlineFootnote;
 import org.commonmark.node.*;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.HtmlNodeRendererContext;
@@ -60,7 +61,7 @@ public class FootnoteHtmlNodeRenderer implements NodeRenderer {
     /**
      * Definitions that were referenced, in order in which they should be rendered.
      */
-    private final Map<FootnoteDefinition, ReferencedDefinition> referencedDefinitions = new LinkedHashMap<>();
+    private final Map<Node, ReferencedDefinition> referencedDefinitions = new LinkedHashMap<>();
 
     /**
      * Information about references that should be rendered as footnotes. This doesn't contain all references, just the
@@ -75,7 +76,7 @@ public FootnoteHtmlNodeRenderer(HtmlNodeRendererContext context) {
 
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
-        return Set.of(FootnoteReference.class, FootnoteDefinition.class);
+        return Set.of(FootnoteReference.class, InlineFootnote.class, FootnoteDefinition.class);
     }
 
     @Override
@@ -92,8 +93,16 @@ public void render(Node node) {
             // This is called for all references, even ones inside definitions that we render at the end.
             var ref = (FootnoteReference) node;
             // Use containsKey because if value is null, we don't need to try registering again.
-            var info = references.containsKey(ref) ? references.get(ref) : registerReference(ref);
-            renderReference(ref, info);
+            var info = references.containsKey(ref) ? references.get(ref) : tryRegisterReference(ref);
+            if (info != null) {
+                renderReference(ref, info);
+            } else {
+                // A reference without a corresponding definition is rendered as plain text
+                html.text("[^" + ref.getLabel() + "]");
+            }
+        } else if (node instanceof InlineFootnote) {
+            var info = registerReference(node, null);
+            renderReference(node, info);
         }
     }
 
@@ -114,7 +123,7 @@ public void afterRoot(Node node) {
         html.line();
 
         // Check whether there are any footnotes inside the definitions that we're about to render. For those, we might
-        // need to render more definitions. So do a breadth-first search to find all relevant definition.
+        // need to render more definitions. So do a breadth-first search to find all relevant definitions.
         var check = new LinkedList<>(referencedDefinitions.keySet());
         while (!check.isEmpty()) {
             var def = check.removeFirst();
@@ -124,7 +133,7 @@ public void afterRoot(Node node) {
                     if (!referencedDefinitions.containsKey(d)) {
                         check.addLast(d);
                     }
-                    references.put(ref, registerReference(ref));
+                    references.put(ref, registerReference(d, d.getLabel()));
                 }
             }));
         }
@@ -140,52 +149,50 @@ public void afterRoot(Node node) {
         html.line();
     }
 
-    private ReferenceInfo registerReference(FootnoteReference ref) {
+    private ReferenceInfo tryRegisterReference(FootnoteReference ref) {
         var def = definitionMap.get(ref.getLabel());
         if (def == null) {
             return null;
         }
+        return registerReference(def, def.getLabel());
+    }
 
+    private ReferenceInfo registerReference(Node node, String label) {
         // The first referenced definition gets number 1, second one 2, etc.
-        var referencedDef = referencedDefinitions.computeIfAbsent(def, k -> new ReferencedDefinition(referencedDefinitions.size() + 1));
+        var referencedDef = referencedDefinitions.computeIfAbsent(node, k -> {
+            var num = referencedDefinitions.size() + 1;
+            var key = definitionKey(label, num);
+            return new ReferencedDefinition(num, key);
+        });
         var definitionNumber = referencedDef.definitionNumber;
         // The reference number for that particular definition. E.g. if there's two references for the same definition,
         // the first one is 1, the second one 2, etc. This is needed to give each reference a unique ID so that each
         // reference can get its own backlink from the definition.
         var refNumber = referencedDef.references.size() + 1;
-        var id = referenceId(def.getLabel(), refNumber);
+        var definitionKey = referencedDef.definitionKey;
+        var id = referenceId(definitionKey, refNumber);
         referencedDef.references.add(id);
 
-        var definitionId = definitionId(def.getLabel());
-
-        return new ReferenceInfo(id, definitionId, definitionNumber);
+        return new ReferenceInfo(id, definitionId(definitionKey), definitionNumber);
     }
 
-    private void renderReference(FootnoteReference ref, ReferenceInfo referenceInfo) {
-        if (referenceInfo == null) {
-            // A reference without a corresponding definition is rendered as plain text
-            html.text("[^" + ref.getLabel() + "]");
-            return;
-        }
-
-        html.tag("sup", context.extendAttributes(ref, "sup", Map.of("class", "footnote-ref")));
+    private void renderReference(Node node, ReferenceInfo referenceInfo) {
+        html.tag("sup", context.extendAttributes(node, "sup", Map.of("class", "footnote-ref")));
 
         var href = "#" + referenceInfo.definitionId;
         var attrs = new LinkedHashMap<String, String>();
         attrs.put("href", href);
         attrs.put("id", referenceInfo.id);
         attrs.put("data-footnote-ref", null);
-        html.tag("a", context.extendAttributes(ref, "a", attrs));
+        html.tag("a", context.extendAttributes(node, "a", attrs));
         html.raw(String.valueOf(referenceInfo.definitionNumber));
         html.tag("/a");
         html.tag("/sup");
     }
 
-    private void renderDefinition(FootnoteDefinition def, ReferencedDefinition referencedDefinition) {
-        // <ol> etc
-        var id = definitionId(def.getLabel());
+    private void renderDefinition(Node def, ReferencedDefinition referencedDefinition) {
         var attrs = new LinkedHashMap<String, String>();
-        attrs.put("id", id);
+        attrs.put("id", definitionId(referencedDefinition.definitionKey));
         html.tag("li", context.extendAttributes(def, "li", attrs));
         html.line();
 
@@ -213,6 +220,13 @@ private void renderDefinition(FootnoteDefinition def, ReferencedDefinition refer
             renderBackrefs(def, referencedDefinition);
             html.tag("/p");
             html.line();
+        } else if (def instanceof InlineFootnote) {
+            html.tag("p", context.extendAttributes(def, "p", Map.of()));
+            renderChildren(def);
+            html.raw(" ");
+            renderBackrefs(def, referencedDefinition);
+            html.tag("/p");
+            html.line();
         } else {
             renderChildren(def);
             html.line();
@@ -223,7 +237,7 @@ private void renderDefinition(FootnoteDefinition def, ReferencedDefinition refer
         html.line();
     }
 
-    private void renderBackrefs(FootnoteDefinition def, ReferencedDefinition referencedDefinition) {
+    private void renderBackrefs(Node def, ReferencedDefinition referencedDefinition) {
         var refs = referencedDefinition.references;
         for (int i = 0; i < refs.size(); i++) {
             var ref = refs.get(i);
@@ -251,12 +265,22 @@ private void renderBackrefs(FootnoteDefinition def, ReferencedDefinition referen
         }
     }
 
-    private String referenceId(String label, int number) {
-        return "fnref-" + label + (number == 1 ? "" : ("-" + number));
+    private String referenceId(String definitionKey, int number) {
+        return "fnref" + definitionKey + (number == 1 ? "" : ("-" + number));
     }
 
-    private String definitionId(String label) {
-        return "fn-" + label;
+    private String definitionKey(String label, int number) {
+        // Named definitions use the pattern "fn-{name}" and inline definitions use "fn{number}" so as not to conflict.
+        // "fn{number}" is also what pandoc uses (for all types), starting with number 1.
+        if (label != null) {
+            return "-" + label;
+        } else {
+            return "" + number;
+        }
+    }
+
+    private String definitionId(String definitionKey) {
+        return "fn" + definitionKey;
     }
 
     private void renderChildren(Node parent) {
@@ -306,13 +330,18 @@ private static class ReferencedDefinition {
          * The definition number, starting from 1, and in order in which they're referenced.
          */
         final int definitionNumber;
+        /**
+         * The unique key of the definition. Together with a static prefix it forms the ID used in the HTML.
+         */
+        final String definitionKey;
         /**
          * The IDs of references for this definition, for backrefs.
          */
         final List<String> references = new ArrayList<>();
 
-        ReferencedDefinition(int definitionNumber) {
+        ReferencedDefinition(int definitionNumber, String definitionKey) {
             this.definitionNumber = definitionNumber;
+            this.definitionKey = definitionKey;
         }
     }
 
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
index 8964e536c..68351083e 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
@@ -10,6 +10,7 @@
 import org.commonmark.testutil.RenderingTestCase;
 import org.junit.Test;
 
+import java.util.List;
 import java.util.Set;
 
 public class FootnoteHtmlRendererTest extends RenderingTestCase {
@@ -207,6 +208,23 @@ public void testNestedFootnotesUnreferenced() {
                 "</section>\n");
     }
 
+    @Test
+    public void testInlineFootnotes() {
+        assertRenderingInline("Test ^[inline *footnote*]",
+                "<p>Test <sup class=\"footnote-ref\"><a href=\"#fn1\" id=\"fnref1\" data-footnote-ref>1</a></sup></p>\n" +
+                        "<section class=\"footnotes\" data-footnotes>\n" +
+                        "<ol>\n" +
+                        "<li id=\"fn1\">\n" +
+                        "<p>inline <em>footnote</em> <a href=\"#fnref1\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "</ol>\n" +
+                        "</section>\n");
+
+        // TODO: Tricky ones like inline footnote referencing a normal one, and a definition containing an inline one.
+        // TODO: Nested inline footnotes?
+        // TODO: Inline and normal ones mixed, keys need to be unique
+    }
+
     @Test
     public void testRenderNodesDirectly() {
         // Everything should work as expected when rendering from nodes directly (no parsing step).
@@ -236,4 +254,11 @@ public void testRenderNodesDirectly() {
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));
     }
+
+    private static void assertRenderingInline(String source, String expected) {
+        var extension = FootnotesExtension.builder().inlineFootnotes(true).build();
+        var parser = Parser.builder().extensions(List.of(extension)).build();
+        var renderer = HtmlRenderer.builder().extensions(List.of(extension)).build();
+        Asserts.assertRendering(source, expected, renderer.render(parser.parse(source)));
+    }
 }

From c6b4275288e30dd695b04a1779aaf1a0a2fccedc Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 11 Sep 2024 23:39:17 +1000
Subject: [PATCH 324/450] Inline footnotes rendering finished

---
 .../internal/FootnoteHtmlNodeRenderer.java    | 51 ++++++++----
 .../footnotes/FootnoteHtmlRendererTest.java   | 81 ++++++++++++++++++-
 .../src/test/resources/footnotes.html         | 18 +++++
 3 files changed, 134 insertions(+), 16 deletions(-)
 create mode 100644 commonmark-ext-footnotes/src/test/resources/footnotes.html

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
index 2fe59b195..69a8c9fa0 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
@@ -67,7 +67,7 @@ public class FootnoteHtmlNodeRenderer implements NodeRenderer {
      * Information about references that should be rendered as footnotes. This doesn't contain all references, just the
      * ones from inside definitions.
      */
-    private final Map<FootnoteReference, ReferenceInfo> references = new HashMap<>();
+    private final Map<Node, ReferenceInfo> references = new HashMap<>();
 
     public FootnoteHtmlNodeRenderer(HtmlNodeRendererContext context) {
         this.html = context.getWriter();
@@ -91,6 +91,7 @@ public void beforeRoot(Node node) {
     public void render(Node node) {
         if (node instanceof FootnoteReference) {
             // This is called for all references, even ones inside definitions that we render at the end.
+            // Inside definitions, we have registered the reference already.
             var ref = (FootnoteReference) node;
             // Use containsKey because if value is null, we don't need to try registering again.
             var info = references.containsKey(ref) ? references.get(ref) : tryRegisterReference(ref);
@@ -101,13 +102,16 @@ public void render(Node node) {
                 html.text("[^" + ref.getLabel() + "]");
             }
         } else if (node instanceof InlineFootnote) {
-            var info = registerReference(node, null);
+            var info = references.get(node);
+            if (info == null) {
+                info = registerReference(node, null);
+            }
             renderReference(node, info);
         }
     }
 
     @Override
-    public void afterRoot(Node node) {
+    public void afterRoot(Node rootNode) {
         // Now render the referenced definitions if there are any.
         if (referencedDefinitions.isEmpty()) {
             return;
@@ -127,13 +131,19 @@ public void afterRoot(Node node) {
         var check = new LinkedList<>(referencedDefinitions.keySet());
         while (!check.isEmpty()) {
             var def = check.removeFirst();
-            def.accept(new ReferenceVisitor(ref -> {
-                var d = definitionMap.get(ref.getLabel());
-                if (d != null) {
-                    if (!referencedDefinitions.containsKey(d)) {
-                        check.addLast(d);
+            def.accept(new ShallowReferenceVisitor(def, node -> {
+                if (node instanceof FootnoteReference) {
+                    var ref = (FootnoteReference) node;
+                    var d = definitionMap.get(ref.getLabel());
+                    if (d != null) {
+                        if (!referencedDefinitions.containsKey(d)) {
+                            check.addLast(d);
+                        }
+                        references.put(ref, registerReference(d, d.getLabel()));
                     }
-                    references.put(ref, registerReference(d, d.getLabel()));
+                } else if (node instanceof InlineFootnote) {
+                    check.addLast(node);
+                    references.put(node, registerReference(node, null));
                 }
             }));
         }
@@ -307,18 +317,31 @@ public void visit(CustomBlock customBlock) {
         }
     }
 
-    private static class ReferenceVisitor extends AbstractVisitor {
-        private final Consumer<FootnoteReference> consumer;
+    /**
+     * Visit footnote references/inline footnotes inside the parent (but not the parent itself). We want a shallow visit
+     * because the caller wants to control when to descend.
+     */
+    private static class ShallowReferenceVisitor extends AbstractVisitor {
+        private final Node parent;
+        private final Consumer<Node> consumer;
 
-        private ReferenceVisitor(Consumer<FootnoteReference> consumer) {
+        private ShallowReferenceVisitor(Node parent, Consumer<Node> consumer) {
+            this.parent = parent;
             this.consumer = consumer;
         }
 
         @Override
         public void visit(CustomNode customNode) {
             if (customNode instanceof FootnoteReference) {
-                var ref = (FootnoteReference) customNode;
-                consumer.accept(ref);
+                consumer.accept(customNode);
+            } else if (customNode instanceof InlineFootnote) {
+                if (customNode == parent) {
+                    // Descend into the parent (inline footnotes can contain inline footnotes)
+                    super.visit(customNode);
+                } else {
+                    // Don't descend here because we want to be shallow.
+                    consumer.accept(customNode);
+                }
             } else {
                 super.visit(customNode);
             }
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
index 68351083e..553a3d8cc 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
@@ -221,10 +221,87 @@ public void testInlineFootnotes() {
                         "</section>\n");
 
         // TODO: Tricky ones like inline footnote referencing a normal one, and a definition containing an inline one.
-        // TODO: Nested inline footnotes?
-        // TODO: Inline and normal ones mixed, keys need to be unique
     }
 
+    @Test
+    public void testInlineFootnotesNested() {
+        assertRenderingInline("Test ^[inline ^[nested]]",
+                "<p>Test <sup class=\"footnote-ref\"><a href=\"#fn1\" id=\"fnref1\" data-footnote-ref>1</a></sup></p>\n" +
+                        "<section class=\"footnotes\" data-footnotes>\n" +
+                        "<ol>\n" +
+                        "<li id=\"fn1\">\n" +
+                        "<p>inline <sup class=\"footnote-ref\"><a href=\"#fn2\" id=\"fnref2\" data-footnote-ref>2</a></sup> <a href=\"#fnref1\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "<li id=\"fn2\">\n" +
+                        "<p>nested <a href=\"#fnref2\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"2\" aria-label=\"Back to reference 2\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "</ol>\n" +
+                        "</section>\n");
+    }
+
+    @Test
+    public void testInlineFootnoteWithReference() {
+        // This is a bit tricky because the IDs need to be unique.
+        assertRenderingInline("Test ^[inline [^1]]\n" +
+                        "\n" +
+                        "[^1]: normal",
+                "<p>Test <sup class=\"footnote-ref\"><a href=\"#fn1\" id=\"fnref1\" data-footnote-ref>1</a></sup></p>\n" +
+                        "<section class=\"footnotes\" data-footnotes>\n" +
+                        "<ol>\n" +
+                        "<li id=\"fn1\">\n" +
+                        "<p>inline <sup class=\"footnote-ref\"><a href=\"#fn-1\" id=\"fnref-1\" data-footnote-ref>2</a></sup> <a href=\"#fnref1\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "<li id=\"fn-1\">\n" +
+                        "<p>normal <a href=\"#fnref-1\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"2\" aria-label=\"Back to reference 2\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "</ol>\n" +
+                        "</section>\n");
+    }
+
+    @Test
+    public void testInlineFootnoteInsideDefinition() {
+        assertRenderingInline("Test [^1]\n" +
+                        "\n" +
+                        "[^1]: Definition ^[inline]\n",
+                "<p>Test <sup class=\"footnote-ref\"><a href=\"#fn-1\" id=\"fnref-1\" data-footnote-ref>1</a></sup></p>\n" +
+                        "<section class=\"footnotes\" data-footnotes>\n" +
+                        "<ol>\n" +
+                        "<li id=\"fn-1\">\n" +
+                        "<p>Definition <sup class=\"footnote-ref\"><a href=\"#fn2\" id=\"fnref2\" data-footnote-ref>2</a></sup> <a href=\"#fnref-1\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "<li id=\"fn2\">\n" +
+                        "<p>inline <a href=\"#fnref2\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"2\" aria-label=\"Back to reference 2\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "</ol>\n" +
+                        "</section>\n");
+    }
+
+    @Test
+    public void testInlineFootnoteInsideDefinition2() {
+        // Tricky because of the nested inline footnote which we want to visit after foo (breadth-first).
+        assertRenderingInline("Test [^1]\n" +
+                        "\n" +
+                        "[^1]: Definition ^[inline ^[nested]] ^[foo]\n",
+                "<p>Test <sup class=\"footnote-ref\"><a href=\"#fn-1\" id=\"fnref-1\" data-footnote-ref>1</a></sup></p>\n" +
+                        "<section class=\"footnotes\" data-footnotes>\n" +
+                        "<ol>\n" +
+                        "<li id=\"fn-1\">\n" +
+                        "<p>Definition <sup class=\"footnote-ref\"><a href=\"#fn2\" id=\"fnref2\" data-footnote-ref>2</a></sup> <sup class=\"footnote-ref\"><a href=\"#fn3\" id=\"fnref3\" data-footnote-ref>3</a></sup> <a href=\"#fnref-1\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"1\" aria-label=\"Back to reference 1\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "<li id=\"fn2\">\n" +
+                        "<p>inline <sup class=\"footnote-ref\"><a href=\"#fn4\" id=\"fnref4\" data-footnote-ref>4</a></sup> <a href=\"#fnref2\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"2\" aria-label=\"Back to reference 2\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "<li id=\"fn3\">\n" +
+                        "<p>foo <a href=\"#fnref3\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"3\" aria-label=\"Back to reference 3\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "<li id=\"fn4\">\n" +
+                        "<p>nested <a href=\"#fnref4\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\"4\" aria-label=\"Back to reference 4\">↩</a></p>\n" +
+                        "</li>\n" +
+                        "</ol>\n" +
+                        "</section>\n");
+    }
+
+
     @Test
     public void testRenderNodesDirectly() {
         // Everything should work as expected when rendering from nodes directly (no parsing step).
diff --git a/commonmark-ext-footnotes/src/test/resources/footnotes.html b/commonmark-ext-footnotes/src/test/resources/footnotes.html
new file mode 100644
index 000000000..1dd83185f
--- /dev/null
+++ b/commonmark-ext-footnotes/src/test/resources/footnotes.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <title>Footnotes testing</title>
+    <style>
+        :target {
+            background-color: #ffffaa;
+        }
+    </style>
+</head>
+<body>
+
+Paste HTML from footnote rendering in here to manually check that linking works as expected.
+
+</body>
+</html>

From 0dfa8886538f4ba7f052233f5493a000a637044f Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 11 Sep 2024 23:40:10 +1000
Subject: [PATCH 325/450] Rename param to allow implementations to use the
 normal node word

---
 .../ext/footnotes/internal/FootnoteHtmlNodeRenderer.java      | 4 ++--
 .../src/main/java/org/commonmark/renderer/NodeRenderer.java   | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
index 69a8c9fa0..72c3792b1 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
@@ -80,10 +80,10 @@ public Set<Class<? extends Node>> getNodeTypes() {
     }
 
     @Override
-    public void beforeRoot(Node node) {
+    public void beforeRoot(Node rootNode) {
         // Collect all definitions first, so we can look them up when encountering a reference later.
         var visitor = new DefinitionVisitor();
-        node.accept(visitor);
+        rootNode.accept(visitor);
         definitionMap = visitor.definitions;
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java
index 193d5e267..304a4ef98 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java
@@ -21,9 +21,9 @@ public interface NodeRenderer {
      */
     void render(Node node);
 
-    default void beforeRoot(Node node) {
+    default void beforeRoot(Node rootNode) {
     }
 
-    default void afterRoot(Node node) {
+    default void afterRoot(Node rootNode) {
     }
 }

From de53b0356b92421ceba022da302283d80aef78ff Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 12 Sep 2024 23:29:05 +1000
Subject: [PATCH 326/450] Remove old TODO

---
 .../org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java  | 2 --
 1 file changed, 2 deletions(-)

diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
index 553a3d8cc..ce5fdd51a 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
@@ -219,8 +219,6 @@ public void testInlineFootnotes() {
                         "</li>\n" +
                         "</ol>\n" +
                         "</section>\n");
-
-        // TODO: Tricky ones like inline footnote referencing a normal one, and a definition containing an inline one.
     }
 
     @Test

From e3e38ef8f87348017f9767f9252a214625ebbab2 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 12 Sep 2024 23:29:18 +1000
Subject: [PATCH 327/450] Javadoc

---
 .../java/org/commonmark/renderer/NodeRenderer.java     | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java
index 304a4ef98..4ae4b5dcd 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/NodeRenderer.java
@@ -21,9 +21,19 @@ public interface NodeRenderer {
      */
     void render(Node node);
 
+    /**
+     * Called before the root node is rendered, to do any initial processing at the start.
+     *
+     * @param rootNode the root (top-level) node
+     */
     default void beforeRoot(Node rootNode) {
     }
 
+    /**
+     * Called after the root node is rendered, to do any final processing at the end.
+     *
+     * @param rootNode the root (top-level) node
+     */
     default void afterRoot(Node rootNode) {
     }
 }

From e3795b27a9d200b16f2fbb3b7249ba196a0c10cb Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 12 Sep 2024 23:38:30 +1000
Subject: [PATCH 328/450] footnotes: Add Markdown rendering for inline
 footnotes

---
 .../internal/FootnoteMarkdownNodeRenderer.java        | 11 ++++++++++-
 .../ext/footnotes/FootnoteMarkdownRendererTest.java   |  7 ++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
index 11b315386..342fb7ebb 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.ext.footnotes.FootnoteDefinition;
 import org.commonmark.ext.footnotes.FootnoteReference;
+import org.commonmark.ext.footnotes.InlineFootnote;
 import org.commonmark.node.*;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.HtmlNodeRendererContext;
@@ -26,13 +27,15 @@ public FootnoteMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
 
     @Override
     public Set<Class<? extends Node>> getNodeTypes() {
-        return Set.of(FootnoteReference.class, FootnoteDefinition.class);
+        return Set.of(FootnoteReference.class, InlineFootnote.class, FootnoteDefinition.class);
     }
 
     @Override
     public void render(Node node) {
         if (node instanceof FootnoteReference) {
             renderReference((FootnoteReference) node);
+        } else if (node instanceof InlineFootnote) {
+            renderInline((InlineFootnote) node);
         } else if (node instanceof FootnoteDefinition) {
             renderDefinition((FootnoteDefinition) node);
         }
@@ -45,6 +48,12 @@ private void renderReference(FootnoteReference ref) {
         writer.raw("]");
     }
 
+    private void renderInline(InlineFootnote inlineFootnote) {
+        writer.raw("^[");
+        renderChildren(inlineFootnote);
+        writer.raw("]");
+    }
+
     private void renderDefinition(FootnoteDefinition def) {
         writer.raw("[^");
         writer.raw(def.getLabel());
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
index 2ab2ba0eb..9d567ece2 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
@@ -11,7 +11,7 @@
 import static org.junit.Assert.assertEquals;
 
 public class FootnoteMarkdownRendererTest {
-    private static final Set<Extension> EXTENSIONS = Set.of(FootnotesExtension.create());
+    private static final Set<Extension> EXTENSIONS = Set.of(FootnotesExtension.builder().inlineFootnotes(true).build());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(EXTENSIONS).build();
 
@@ -36,6 +36,11 @@ public void testBackslashInLabel() {
         assertRoundTrip("[^\\foo]\n\n[^\\foo]: note\n");
     }
 
+    @Test
+    public void testInline() {
+        assertRoundTrip("^[test *foo*]\n");
+    }
+
     private void assertRoundTrip(String input) {
         String rendered = parseAndRender(input);
         assertEquals(input, rendered);

From 26d4df9851c7f311d4ba5af7c0c00c054588c559 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 13 Sep 2024 00:02:16 +1000
Subject: [PATCH 329/450] Don't escape `=` text if it's the first node in a
 block

Fixes #335
---
 .../renderer/markdown/CoreMarkdownNodeRenderer.java       | 8 +++++---
 .../renderer/markdown/MarkdownRendererTest.java           | 3 +++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 8a9e57251..8b171d1c9 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -366,9 +366,11 @@ public void visit(Text text) {
                     break;
                 }
                 case '=': {
-                    // Would be ambiguous with a Setext heading, escape
-                    writer.raw("\\=");
-                    literal = literal.substring(1);
+                    // Would be ambiguous with a Setext heading, escape unless it's the first line in the block
+                    if (text.getPrevious() != null) {
+                        writer.raw("\\=");
+                        literal = literal.substring(1);
+                    }
                     break;
                 }
                 case '0':
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 91af1bfe8..7917d1197 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -189,6 +189,9 @@ public void testEscaping() {
         assertRoundTrip("\\## Test\n");
         assertRoundTrip("\\#\n");
         assertRoundTrip("Foo\n\\===\n");
+        // Only needs to be escaped after some text, not at beginning of paragraph
+        assertRoundTrip("===\n");
+        assertRoundTrip("a\n\n===\n");
         // The beginning of the line within the block, so disregarding prefixes
         assertRoundTrip("> \\- Test\n");
         assertRoundTrip("- \\- Test\n");

From 7be42049400d8ce5db9d64e9c73da5a097dc1e22 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 14 Sep 2024 18:45:53 +1000
Subject: [PATCH 330/450] Fix source spans of blocks with lazy continuation
 lines

Fixes #337.
---
 .../commonmark/internal/DocumentParser.java   | 10 ++--
 .../org/commonmark/test/SourceSpansTest.java  | 60 +++++++++++++++++++
 2 files changed, 66 insertions(+), 4 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 107001742..d3f6f6811 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -288,7 +288,7 @@ private void parseLine(String ln) {
         // What remains at the offset is a text line. Add the text to the
         // appropriate block.
 
-        // First check for a lazy paragraph continuation:
+        // First check for a lazy continuation line
         if (!startedNewBlock && !isBlank() &&
                 getActiveBlockParser().canHaveLazyContinuationLines()) {
             openBlockParsers.get(openBlockParsers.size() - 1).sourceIndex = lastIndex;
@@ -441,10 +441,12 @@ private void addLine() {
 
     private void addSourceSpans() {
         if (includeSourceSpans != IncludeSourceSpans.NONE) {
-            // Don't add source spans for Document itself (it would get the whole source text)
+            // Don't add source spans for Document itself (it would get the whole source text), so start at 1, not 0
             for (int i = 1; i < openBlockParsers.size(); i++) {
-                OpenBlockParser openBlockParser = openBlockParsers.get(i);
-                int blockIndex = openBlockParser.sourceIndex;
+                var openBlockParser = openBlockParsers.get(i);
+                // In case of a lazy continuation line, the index is less than where the block parser would expect the
+                // contents to start, so let's use whichever is smaller.
+                int blockIndex = Math.min(openBlockParser.sourceIndex, index);
                 int length = line.getContent().length() - blockIndex;
                 if (length != 0) {
                     openBlockParser.blockParser.addSourceSpan(SourceSpan.of(lineIndex, blockIndex, length));
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index 8eb6260d0..eb7e8f005 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -204,6 +204,66 @@ public void linkReferenceDefinitionHeading() {
         assertEquals(List.of(SourceSpan.of(1, 0, 7), SourceSpan.of(2, 0, 3)), heading.getSourceSpans());
     }
 
+    @Test
+    public void lazyContinuationLines() {
+        {
+            // From https://spec.commonmark.org/0.31.2/#example-250
+            // Wrong source span for the inner block quote for the second line.
+            var doc = PARSER.parse("> > > foo\nbar\n");
+
+            var bq1 = (BlockQuote) doc.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 0, 9), SourceSpan.of(1, 0, 3)), bq1.getSourceSpans());
+            var bq2 = (BlockQuote) bq1.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 2, 7), SourceSpan.of(1, 0, 3)), bq2.getSourceSpans());
+            var bq3 = (BlockQuote) bq2.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 4, 5), SourceSpan.of(1, 0, 3)), bq3.getSourceSpans());
+            var paragraph = (Paragraph) bq3.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 6, 3), SourceSpan.of(1, 0, 3)), paragraph.getSourceSpans());
+        }
+
+        {
+            // Adding one character to the last line remove blockQuote3 source for the second line
+            var doc = PARSER.parse("> > > foo\nbars\n");
+
+            var bq1 = (BlockQuote) doc.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 0, 9), SourceSpan.of(1, 0, 4)), bq1.getSourceSpans());
+            var bq2 = (BlockQuote) bq1.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 2, 7), SourceSpan.of(1, 0, 4)), bq2.getSourceSpans());
+            var bq3 = (BlockQuote) bq2.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 4, 5), SourceSpan.of(1, 0, 4)), bq3.getSourceSpans());
+            var paragraph = (Paragraph) bq3.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 6, 3), SourceSpan.of(1, 0, 4)), paragraph.getSourceSpans());
+        }
+
+        {
+            // From https://spec.commonmark.org/0.31.2/#example-292
+            var doc = PARSER.parse("> 1. > Blockquote\ncontinued here.");
+
+            var bq1 = (BlockQuote) doc.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 0, 17), SourceSpan.of(1, 0, 15)), bq1.getSourceSpans());
+            var orderedList = (OrderedList) bq1.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 2, 15), SourceSpan.of(1, 0, 15)), orderedList.getSourceSpans());
+            var listItem = (ListItem) orderedList.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 2, 15), SourceSpan.of(1, 0, 15)), listItem.getSourceSpans());
+            var bq2 = (BlockQuote) listItem.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 5, 12), SourceSpan.of(1, 0, 15)), bq2.getSourceSpans());
+            var paragraph = (Paragraph) bq2.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 7, 10), SourceSpan.of(1, 0, 15)), paragraph.getSourceSpans());
+        }
+
+        {
+            // Lazy continuation line for nested blockquote
+            var doc = PARSER.parse("> > foo\n> bar\n");
+
+            var bq1 = (BlockQuote) doc.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 5)), bq1.getSourceSpans());
+            var bq2 = (BlockQuote) bq1.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 2, 5), SourceSpan.of(1, 2, 3)), bq2.getSourceSpans());
+            var paragraph = (Paragraph) bq2.getLastChild();
+            assertEquals(List.of(SourceSpan.of(0, 4, 3), SourceSpan.of(1, 2, 3)), paragraph.getSourceSpans());
+        }
+    }
+
     @Test
     public void visualCheck() {
         assertEquals("(> {[* <foo>]})\n(> {[  <bar>]})\n(> {⸢* ⸤baz⸥⸣})\n",

From 8c819ab7779acbe99ce4d9b314745c39f22314e9 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 14 Sep 2024 22:14:56 +1000
Subject: [PATCH 331/450] Add omitSingleParagraphP option to
 HtmlRenderer.Builder

This is useful for rendering single lines where wrapping in a <p> might be undesirable.
Fixes #150.
---
 .../renderer/html/CoreHtmlNodeRenderer.java   |  8 ++++---
 .../html/HtmlNodeRendererContext.java         |  9 ++++++--
 .../renderer/html/HtmlRenderer.java           | 23 +++++++++++++++++--
 .../org/commonmark/test/HtmlRendererTest.java |  8 +++++++
 4 files changed, 41 insertions(+), 7 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
index 115d553f0..0603aa013 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
@@ -69,13 +69,15 @@ public void visit(Heading heading) {
 
     @Override
     public void visit(Paragraph paragraph) {
-        boolean inTightList = isInTightList(paragraph);
-        if (!inTightList) {
+        boolean omitP = isInTightList(paragraph) || //
+                (context.shouldOmitSingleParagraphP() && paragraph.getParent() instanceof Document && //
+                        paragraph.getPrevious() == null && paragraph.getNext() == null);
+        if (!omitP) {
             html.line();
             html.tag("p", getAttrs(paragraph, "p"));
         }
         visitChildren(paragraph);
-        if (!inTightList) {
+        if (!omitP) {
             html.tag("/p");
             html.line();
         }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
index eb950ffa6..eecff0f44 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlNodeRendererContext.java
@@ -17,8 +17,8 @@ public interface HtmlNodeRendererContext {
     /**
      * Let extensions modify the HTML tag attributes.
      *
-     * @param node the node for which the attributes are applied
-     * @param tagName the HTML tag name that these attributes are for (e.g. {@code h1}, {@code pre}, {@code code}).
+     * @param node       the node for which the attributes are applied
+     * @param tagName    the HTML tag name that these attributes are for (e.g. {@code h1}, {@code pre}, {@code code}).
      * @param attributes the attributes that were calculated by the renderer
      * @return the extended attributes with added/updated/removed entries
      */
@@ -47,6 +47,11 @@ public interface HtmlNodeRendererContext {
      */
     boolean shouldEscapeHtml();
 
+    /**
+     * @return whether documents that only contain a single paragraph should be rendered without the {@code <p>} tag
+     */
+    boolean shouldOmitSingleParagraphP();
+
     /**
      * @return true if the {@link UrlSanitizer} should be used.
      * @since 0.14.0
diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
index 35db46a64..386abebf0 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/HtmlRenderer.java
@@ -22,17 +22,19 @@ public class HtmlRenderer implements Renderer {
 
     private final String softbreak;
     private final boolean escapeHtml;
+    private final boolean percentEncodeUrls;
+    private final boolean omitSingleParagraphP;
     private final boolean sanitizeUrls;
     private final UrlSanitizer urlSanitizer;
-    private final boolean percentEncodeUrls;
     private final List<AttributeProviderFactory> attributeProviderFactories;
     private final List<HtmlNodeRendererFactory> nodeRendererFactories;
 
     private HtmlRenderer(Builder builder) {
         this.softbreak = builder.softbreak;
         this.escapeHtml = builder.escapeHtml;
-        this.sanitizeUrls = builder.sanitizeUrls;
         this.percentEncodeUrls = builder.percentEncodeUrls;
+        this.omitSingleParagraphP = builder.omitSingleParagraphP;
+        this.sanitizeUrls = builder.sanitizeUrls;
         this.urlSanitizer = builder.urlSanitizer;
         this.attributeProviderFactories = new ArrayList<>(builder.attributeProviderFactories);
 
@@ -83,6 +85,7 @@ public static class Builder {
         private boolean sanitizeUrls = false;
         private UrlSanitizer urlSanitizer = new DefaultUrlSanitizer();
         private boolean percentEncodeUrls = false;
+        private boolean omitSingleParagraphP = false;
         private List<AttributeProviderFactory> attributeProviderFactories = new ArrayList<>();
         private List<HtmlNodeRendererFactory> nodeRendererFactories = new ArrayList<>();
 
@@ -166,6 +169,17 @@ public Builder percentEncodeUrls(boolean percentEncodeUrls) {
             return this;
         }
 
+        /**
+         * Whether documents that only contain a single paragraph should be rendered without the {@code <p>} tag. Set to
+         * {@code true} to render without the tag; the default of {@code false} always renders the tag.
+         *
+         * @return {@code this}
+         */
+        public Builder omitSingleParagraphP(boolean omitSingleParagraphP) {
+            this.omitSingleParagraphP = omitSingleParagraphP;
+            return this;
+        }
+
         /**
          * Add a factory for an attribute provider for adding/changing HTML attributes to the rendered tags.
          *
@@ -242,6 +256,11 @@ public boolean shouldEscapeHtml() {
             return escapeHtml;
         }
 
+        @Override
+        public boolean shouldOmitSingleParagraphP() {
+            return omitSingleParagraphP;
+        }
+
         @Override
         public boolean shouldSanitizeUrls() {
             return sanitizeUrls;
diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
index 7cc0b036a..018b9e453 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
@@ -4,6 +4,8 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.*;
+import org.commonmark.testutil.Asserts;
+import org.commonmark.testutil.RenderingTestCase;
 import org.commonmark.testutil.TestResources;
 import org.junit.Test;
 
@@ -308,6 +310,12 @@ public void canRenderContentsOfSingleParagraph() {
                 defaultRenderer().render(document));
     }
 
+    @Test
+    public void omitSingleParagraphP() {
+        var renderer = HtmlRenderer.builder().omitSingleParagraphP(true).build();
+        assertEquals("hi <em>there</em>", renderer.render(parse("hi *there*")));
+    }
+
     @Test
     public void threading() throws Exception {
         Parser parser = Parser.builder().build();

From 369dbab57f7d29502036ffe963b20afe90ff7239 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 16 Sep 2024 23:10:29 +1000
Subject: [PATCH 332/450] Prepare CHANGELOG for release 0.23

---
 CHANGELOG.md | 43 +++++++++++++++++++++++++++++++------------
 1 file changed, 31 insertions(+), 12 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5b4afae55..f98fe97d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,25 +6,43 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## Unreleased
+## [0.23.0] - 2024-09-16
 ### Added
-- Support for extending inline parsing with custom inline content parsers! See
-  `Parser.Builder#customInlineContentParserFactory`. This allows users or
-  extensions to hook into inline parsing on a deeper level than using delimiter
-  processors. It could be used to implement support for math/latex formulas for
-  example.
+- New extension for footnotes!
+  - Syntax:
+    ```
+    Main text[^1]
+    
+    [^1]: Additional text in a footnote
+    ```
+  - Inline footnotes like `^[inline footnote]` are also supported when enabled
+    via an option in `FootnotesExtension.Builder`
+  - Use class `FootnotesExtension` in artifact `commonmark-ext-footnotes` (#332)
+- New option `omitSingleParagraphP` in `HtmlRenderer.Builder` for not using `<p>` 
+  tags for when a document only has one paragraph (#150)
+- Support for custom link processing during inline parsing (e.g. `[foo]`),
+  see `Parser.Builder#linkProcessor`
+- Support for extending inline parsing with custom inline content parsers. See
+  `Parser.Builder#customInlineContentParserFactory`. This allows users/extensions
+  to hook into inline parsing on a deeper level than before (e.g. with delimiter
+  processors). It can be used to add support for math/latex formulas or other inline
+  syntax. (#321)
 ### Changed
+- The default `DefaultUrlSanitizer` now also allows `data` as a protocol. Use the
+  constructor with a list to customize this. (#329)
 - `LinkReferenceDefinition` now extends `Block` (it was extending `Node`
   directly before)
+- `MarkdownRenderer`: Don't escape `=` text if it's the first node in a block (#335)
 ### Fixed
-- Fix parsing of link reference definitions where it looks like it has a title
-  but it doesn't because it's followed by characters other than space/tab. In that
-  case, the title was set to the partially-parsed title and the source spans were
-  wrong (#315).
+- Fix parsing of link reference definitions with incorrect title syntax (followed
+  by characters other than space/tab). In that case, the title was set to the
+  partially-parsed title and the source spans were wrong. (#315)
+- Fix source spans of blocks with lazy continuation lines (#337)
+- `MarkdownRenderer`: Preserve thematic break literals (#331)
 
 ## [0.22.0] - 2024-03-15
 ### Added
-- New `MarkdownRenderer` for rendering nodes to Markdown (CommonMark)!
+- New `MarkdownRenderer` for rendering nodes to Markdown (CommonMark) (#306)!
   Note that while care is taken to produce equivalent Markdown, some differences
   in the original Markdown (if parsed) are not preserved, such as:
   - The type of heading used
@@ -397,7 +415,7 @@ API breaking changes (caused by changes in spec):
 - Rename `HorizontalRule` to `ThematicBreak`
 - Rename `HtmlTag` to `HtmlInline`
 - Replace `MatchedBlockParser#getParagraphStartLine` with `#getParagraphContent`
-  that returns the current content if the the matched block is a paragraph
+  that returns the current content if the matched block is a paragraph
 
 ## [0.3.2] - 2016-01-07
 ### Fixed
@@ -427,6 +445,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
+[0.23.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.22.0...commonmark-parent-0.23.0
 [0.22.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.21.0...commonmark-parent-0.22.0
 [0.21.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.20.0...commonmark-parent-0.21.0
 [0.20.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.19.0...commonmark-parent-0.20.0

From bc231e2457cd22683218d34b93f0fe7f768138c2 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 16 Sep 2024 23:11:59 +1000
Subject: [PATCH 333/450] Prepare for version 0.23.0

Ran `mvn versions:set -DnewVersion=0.23.0-SNAPSHOT``
---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 22 +++++++++++-----------
 13 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 8bd242049..5fbbf0dbc 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index f70b7d262..f5b87fb3a 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index b119b57f8..1529413e0 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 5c031287e..7c29c17c8 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index a7b16ef1c..0f82a822c 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index ed654760f..bb0e65961 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 2e00c6c16..6db2a5564 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 68b56e950..682eb0b62 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 7ecf7336d..15a564d5e 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index bbd4c8a74..26b1a6d1c 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index dd115fdad..0ce2ecdac 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index d47260296..7bc0cd8d5 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.22.1-SNAPSHOT</version>
+        <version>0.23.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 32003fdf7..c4b87b7be 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.22.1-SNAPSHOT</version>
+    <version>0.23.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.22.1-SNAPSHOT</version>
+                <version>0.23.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.22.1-SNAPSHOT</version>
+                <version>0.23.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.22.1-SNAPSHOT</version>
+                <version>0.23.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.22.1-SNAPSHOT</version>
+                <version>0.23.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.22.1-SNAPSHOT</version>
+                <version>0.23.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.22.1-SNAPSHOT</version>
+                <version>0.23.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.22.1-SNAPSHOT</version>
+                <version>0.23.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.22.1-SNAPSHOT</version>
+                <version>0.23.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.22.1-SNAPSHOT</version>
+                <version>0.23.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.22.1-SNAPSHOT</version>
+                <version>0.23.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From 59aa908e4c7e3006929201d3ad697de887d0d9eb Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Mon, 16 Sep 2024 14:01:00 +0000
Subject: [PATCH 334/450] [maven-release-plugin] prepare release
 commonmark-parent-0.23.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 13 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 5fbbf0dbc..fa1f893e4 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index f5b87fb3a..5e8dea19a 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 1529413e0..2bdb03eb2 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 7c29c17c8..cd67ad31c 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 0f82a822c..b12609770 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index bb0e65961..ca73e9cb8 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 6db2a5564..e3d5453ff 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 682eb0b62..36581a2fe 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 15a564d5e..ba54fe543 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 26b1a6d1c..d864cec42 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 0ce2ecdac..22bb0333e 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 7bc0cd8d5..aec8385dc 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0-SNAPSHOT</version>
+        <version>0.23.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index c4b87b7be..459d686a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.23.0-SNAPSHOT</version>
+    <version>0.23.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.23.0-SNAPSHOT</version>
+                <version>0.23.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.23.0-SNAPSHOT</version>
+                <version>0.23.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.23.0-SNAPSHOT</version>
+                <version>0.23.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.23.0-SNAPSHOT</version>
+                <version>0.23.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.23.0-SNAPSHOT</version>
+                <version>0.23.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.23.0-SNAPSHOT</version>
+                <version>0.23.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.23.0-SNAPSHOT</version>
+                <version>0.23.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.23.0-SNAPSHOT</version>
+                <version>0.23.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.23.0-SNAPSHOT</version>
+                <version>0.23.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.23.0-SNAPSHOT</version>
+                <version>0.23.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -279,7 +279,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.23.0</tag>
     </scm>
 
     <distributionManagement>

From 0ea7634383eeafd2f714f43eb15824c092ea82d8 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Mon, 16 Sep 2024 14:01:02 +0000
Subject: [PATCH 335/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 13 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index fa1f893e4..9e879640f 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 5e8dea19a..36204b775 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 2bdb03eb2..40c234e88 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index cd67ad31c..06e828240 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index b12609770..8998cb4c1 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index ca73e9cb8..c706a1fe6 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index e3d5453ff..277dad07c 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 36581a2fe..1a42059dc 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index ba54fe543..079aaf46c 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index d864cec42..e82661ed4 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 22bb0333e..a8c8c73ad 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index aec8385dc..3d4ddc2b7 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.0</version>
+        <version>0.23.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 459d686a5..dc1aa344d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.23.0</version>
+    <version>0.23.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.23.0</version>
+                <version>0.23.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.23.0</version>
+                <version>0.23.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.23.0</version>
+                <version>0.23.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.23.0</version>
+                <version>0.23.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.23.0</version>
+                <version>0.23.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.23.0</version>
+                <version>0.23.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.23.0</version>
+                <version>0.23.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.23.0</version>
+                <version>0.23.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.23.0</version>
+                <version>0.23.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.23.0</version>
+                <version>0.23.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -279,7 +279,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.23.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From ddf51f3f8051248828cd14eddb54c3a046c940f8 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 18 Sep 2024 18:24:02 +1000
Subject: [PATCH 336/450] README: Bump version, add new APIs

---
 README.md | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 3131e2182..95e5b5590 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.22.0</version>
+    <version>0.23.0</version>
 </dependency>
 ```
 
@@ -233,6 +233,7 @@ all of them via methods on `Parser.Builder`
 - Parsing of inline content can be extended/overridden with `customInlineContentParserFactory`
 - Parsing of [delimiters](https://spec.commonmark.org/0.31.2/#emphasis-and-strong-emphasis) in inline content can be
   extended with `customDelimiterProcessor`
+- Processing of links can be customized with `linkProcessor` and `linkMarker`
 
 #### Thread-safety
 
@@ -265,7 +266,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.22.0</version>
+    <version>0.23.0</version>
 </dependency>
 ```
 
@@ -307,6 +308,21 @@ Enables tables using pipes as in [GitHub Flavored Markdown][gfm-tables].
 
 Use class `TablesExtension` in artifact `commonmark-ext-gfm-tables`.
 
+### Footnotes
+
+Enables footnotes like in [GitHub](https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#footnotes)
+or [Pandoc](https://pandoc.org/MANUAL.html#footnotes):
+
+```
+Main text[^1]
+
+[^1]: Additional text in a footnote
+```
+
+Inline footnotes like `^[inline footnote]` are also supported when enabled via `FootnotesExtension.Builder#inlineFootnotes`.
+
+Use class `FootnotesExtension` in artifact `commonmark-ext-footnotes`.
+
 ### Heading anchor
 
 Enables adding auto generated "id" attributes to heading tags. The "id"

From 005b5894b1fce43f3fffe07e9bcaa91bb764cd61 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 18 Sep 2024 19:00:36 +1000
Subject: [PATCH 337/450] Update Javadoc

---
 commonmark/src/main/java/org/commonmark/parser/Parser.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 150f3aaf9..4d534cf72 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -187,7 +187,7 @@ public Builder enabledBlockTypes(Set<Class<? extends Block>> enabledBlockTypes)
         }
 
         /**
-         * Whether to calculate {@link org.commonmark.node.SourceSpan} for {@link Node}.
+         * Whether to calculate source positions for parsed {@link Node Nodes}, see {@link Node#getSourceSpans()}.
          * <p>
          * By default, source spans are disabled.
          *

From 355a1239f49d762d0d73d5d6270acb4e56715723 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 18 Sep 2024 19:36:01 +1000
Subject: [PATCH 338/450] Update copyright

---
 LICENSE.txt | 2 +-
 README.md   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/LICENSE.txt b/LICENSE.txt
index b09e367ce..604b777d3 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,4 +1,4 @@
-Copyright (c) 2015, Atlassian Pty Ltd
+Copyright (c) 2015, Robin Stocker
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/README.md b/README.md
index 95e5b5590..08b197e16 100644
--- a/README.md
+++ b/README.md
@@ -430,7 +430,7 @@ See [CONTRIBUTING.md](CONTRIBUTING.md) file.
 License
 -------
 
-Copyright (c) Atlassian and others.
+Copyright (c) 2015, Robin Stocker
 
 BSD (2-clause) licensed, see LICENSE.txt file.
 

From 8ce24de9f9134a5bee25020d136e244405ec777b Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 18 Sep 2024 19:36:08 +1000
Subject: [PATCH 339/450] README: Add "Used by" section

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index 08b197e16..7ab691e6c 100644
--- a/README.md
+++ b/README.md
@@ -416,6 +416,14 @@ You can also find other extensions in the wild:
 
 * [commonmark-ext-notifications](https://github.com/McFoggy/commonmark-ext-notifications): this extension allows to easily create notifications/admonitions paragraphs like `INFO`, `SUCCESS`, `WARNING` or `ERROR`
 
+Used by
+-------
+
+Some users of this library (feel free to raise a PR if you want to be added):
+* Atlassian (where the library was initially developed)
+* Java (OpenJDK), see [here](https://github.com/openjdk/jdk/blob/3895b8fc0b2c6d187080dba6fe08297adad4a480/src/jdk.internal.md/share/classes/module-info.java)
+* Gitiles/Gerrit, see [here](https://gerrit-review.googlesource.com/c/gitiles/+/353794)
+
 See also
 --------
 

From 45950d4a95f4ae9740c32377c5c2b821ee9b73cd Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 20 Sep 2024 14:46:05 +1000
Subject: [PATCH 340/450] Add missing break to switch statement

---
 .../src/main/java/org/commonmark/internal/HeadingParser.java    | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
index d422c1241..7b6e7c326 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
@@ -140,10 +140,12 @@ private static int getSetextHeadingLevel(CharSequence line, int index) {
                 if (isSetextHeadingRest(line, index + 1, '=')) {
                     return 1;
                 }
+                break;
             case '-':
                 if (isSetextHeadingRest(line, index + 1, '-')) {
                     return 2;
                 }
+                break;
         }
         return 0;
     }

From 6f2572bda43415c47bfff20846b3afc0433915cc Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 20 Sep 2024 14:56:12 +1000
Subject: [PATCH 341/450] Replace Unicode characters in sources with escapes

---
 .../ext/footnotes/internal/FootnoteHtmlNodeRenderer.java  | 2 +-
 .../main/java/org/commonmark/internal/HeadingParser.java  | 2 +-
 .../java/org/commonmark/internal/ListBlockParser.java     | 2 +-
 .../main/java/org/commonmark/internal/util/Escaping.java  | 8 ++++----
 .../renderer/text/CoreTextContentNodeRenderer.java        | 6 ++++--
 5 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
index 72c3792b1..70eb048a3 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteHtmlNodeRenderer.java
@@ -267,7 +267,7 @@ private void renderBackrefs(Node def, ReferencedDefinition referencedDefinition)
                 html.tag("/sup");
             }
             // U+21A9 LEFTWARDS ARROW WITH HOOK
-            html.raw("↩");
+            html.raw("\u21A9");
             html.tag("/a");
             if (i + 1 < refs.size()) {
                 html.raw(" ");
diff --git a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
index 7b6e7c326..3bc9ba5c4 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
@@ -69,7 +69,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
     }
 
     // spec: An ATX heading consists of a string of characters, parsed as inline content, between an opening sequence of
-    // 1–6 unescaped # characters and an optional closing sequence of any number of unescaped # characters. The opening
+    // 1-6 unescaped # characters and an optional closing sequence of any number of unescaped # characters. The opening
     // sequence of # characters must be followed by a space or by the end of line. The optional closing sequence of #s
     // must be preceded by a space and may be followed by spaces only.
     private static HeadingParser getAtxHeading(SourceLine line) {
diff --git a/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java b/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
index d77744da7..fbf034757 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ListBlockParser.java
@@ -128,7 +128,7 @@ private static ListMarkerData parseListMarker(CharSequence line, int index) {
         }
     }
 
-    // spec: An ordered list marker is a sequence of 1–9 arabic digits (0-9), followed by either a `.` character or a
+    // spec: An ordered list marker is a sequence of 1-9 arabic digits (0-9), followed by either a `.` character or a
     // `)` character.
     private static ListMarkerData parseOrderedList(CharSequence line, int index) {
         int digits = 0;
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java b/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
index 27f59ebf7..d928b6f43 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
@@ -115,11 +115,11 @@ public static String percentEncodeUrl(String s) {
     public static String normalizeLabelContent(String input) {
         String trimmed = input.trim();
 
-        // This is necessary to correctly case fold "ẞ" to "SS":
-        // "ẞ".toLowerCase(Locale.ROOT)  -> "ß"
-        // "ß".toUpperCase(Locale.ROOT)  -> "SS"
+        // This is necessary to correctly case fold "\u1E9E" (LATIN CAPITAL LETTER SHARP S) to "SS":
+        // "\u1E9E".toLowerCase(Locale.ROOT)  -> "\u00DF" (LATIN SMALL LETTER SHARP S)
+        // "\u00DF".toUpperCase(Locale.ROOT)  -> "SS"
         // Note that doing upper first (or only upper without lower) wouldn't work because:
-        // "ẞ".toUpperCase(Locale.ROOT)  -> "ẞ"
+        // "\u1E9E".toUpperCase(Locale.ROOT)  -> "\u1E9E"
         String caseFolded = trimmed.toLowerCase(Locale.ROOT).toUpperCase(Locale.ROOT);
 
         return WHITESPACE.matcher(caseFolded).replaceAll(" ");
diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
index 6dcc9d1eb..865533804 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
@@ -62,9 +62,11 @@ public void visit(Document document) {
 
     @Override
     public void visit(BlockQuote blockQuote) {
-        textContent.write('«');
+        // LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
+        textContent.write('\u00AB');
         visitChildren(blockQuote);
-        textContent.write('»');
+        // RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
+        textContent.write('\u00BB');
 
         writeEndOfLineIfNeeded(blockQuote, null);
     }

From 1dacdcb1e32911bbf0935f9613f6c34824b3e358 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 20 Sep 2024 14:58:05 +1000
Subject: [PATCH 342/450] Rename entities.properties to entities.txt

---
 .../main/java/org/commonmark/internal/util/Html5Entities.java   | 2 +-
 .../internal/util/{entities.properties => entities.txt}         | 0
 2 files changed, 1 insertion(+), 1 deletion(-)
 rename commonmark/src/main/resources/org/commonmark/internal/util/{entities.properties => entities.txt} (100%)

diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Html5Entities.java b/commonmark/src/main/java/org/commonmark/internal/util/Html5Entities.java
index 523c596ed..8da53c053 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Html5Entities.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Html5Entities.java
@@ -12,7 +12,7 @@
 public class Html5Entities {
 
     private static final Map<String, String> NAMED_CHARACTER_REFERENCES = readEntities();
-    private static final String ENTITY_PATH = "/org/commonmark/internal/util/entities.properties";
+    private static final String ENTITY_PATH = "/org/commonmark/internal/util/entities.txt";
 
     public static String entityToString(String input) {
         if (!input.startsWith("&") || !input.endsWith(";")) {
diff --git a/commonmark/src/main/resources/org/commonmark/internal/util/entities.properties b/commonmark/src/main/resources/org/commonmark/internal/util/entities.txt
similarity index 100%
rename from commonmark/src/main/resources/org/commonmark/internal/util/entities.properties
rename to commonmark/src/main/resources/org/commonmark/internal/util/entities.txt

From 42a025f24b4e5b424a913be2667413a649c7938e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 23 Sep 2024 22:39:05 +1000
Subject: [PATCH 343/450] TextContentRenderer: Replace stripNewlines with
 lineBreakRendering

---
 .../text/CoreTextContentNodeRenderer.java     | 105 ++++++++----------
 .../renderer/text/LineBreakRendering.java     |  19 ++++
 .../text/TextContentNodeRendererContext.java  |   9 ++
 .../renderer/text/TextContentRenderer.java    |  30 ++++-
 .../renderer/text/TextContentWriter.java      |  66 +++++++++--
 .../test/TextContentRendererTest.java         |   3 +-
 6 files changed, 159 insertions(+), 73 deletions(-)
 create mode 100644 commonmark/src/main/java/org/commonmark/renderer/text/LineBreakRendering.java

diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
index 865533804..64968ae76 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
@@ -65,25 +65,20 @@ public void visit(BlockQuote blockQuote) {
         // LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
         textContent.write('\u00AB');
         visitChildren(blockQuote);
+        textContent.resetBlock();
         // RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
         textContent.write('\u00BB');
 
-        writeEndOfLineIfNeeded(blockQuote, null);
+        textContent.block();
     }
 
     @Override
     public void visit(BulletList bulletList) {
-        if (listHolder != null) {
-            writeEndOfLine();
-        }
+        // TODO: isTight()
         listHolder = new BulletListHolder(listHolder, bulletList);
         visitChildren(bulletList);
-        writeEndOfLineIfNeeded(bulletList, null);
-        if (listHolder.getParent() != null) {
-            listHolder = listHolder.getParent();
-        } else {
-            listHolder = null;
-        }
+        textContent.block();
+        listHolder = listHolder.getParent();
     }
 
     @Override
@@ -95,31 +90,40 @@ public void visit(Code code) {
 
     @Override
     public void visit(FencedCodeBlock fencedCodeBlock) {
-        if (context.stripNewlines()) {
-            textContent.writeStripped(fencedCodeBlock.getLiteral());
-            writeEndOfLineIfNeeded(fencedCodeBlock, null);
+        var literal = stripTrailingNewline(fencedCodeBlock.getLiteral());
+        if (stripNewlines()) {
+            textContent.writeStripped(literal);
         } else {
-            textContent.write(fencedCodeBlock.getLiteral());
+            textContent.write(literal);
         }
+        textContent.block();
     }
 
     @Override
     public void visit(HardLineBreak hardLineBreak) {
-        writeEndOfLineIfNeeded(hardLineBreak, null);
+        if (stripNewlines()) {
+            textContent.whitespace();
+        } else {
+            textContent.line();
+        }
     }
 
     @Override
     public void visit(Heading heading) {
         visitChildren(heading);
-        writeEndOfLineIfNeeded(heading, ':');
+        if (stripNewlines()) {
+            textContent.write(": ");
+        } else {
+            textContent.block();
+        }
     }
 
     @Override
     public void visit(ThematicBreak thematicBreak) {
-        if (!context.stripNewlines()) {
+        if (!stripNewlines()) {
             textContent.write("***");
         }
-        writeEndOfLineIfNeeded(thematicBreak, null);
+        textContent.block();
     }
 
     @Override
@@ -139,12 +143,13 @@ public void visit(Image image) {
 
     @Override
     public void visit(IndentedCodeBlock indentedCodeBlock) {
-        if (context.stripNewlines()) {
-            textContent.writeStripped(indentedCodeBlock.getLiteral());
-            writeEndOfLineIfNeeded(indentedCodeBlock, null);
+        var literal = stripTrailingNewline(indentedCodeBlock.getLiteral());
+        if (stripNewlines()) {
+            textContent.writeStripped(literal);
         } else {
-            textContent.write(indentedCodeBlock.getLiteral());
+            textContent.write(literal);
         }
+        textContent.block();
     }
 
     @Override
@@ -156,48 +161,43 @@ public void visit(Link link) {
     public void visit(ListItem listItem) {
         if (listHolder != null && listHolder instanceof OrderedListHolder) {
             OrderedListHolder orderedListHolder = (OrderedListHolder) listHolder;
-            String indent = context.stripNewlines() ? "" : orderedListHolder.getIndent();
+            String indent = stripNewlines() ? "" : orderedListHolder.getIndent();
             textContent.write(indent + orderedListHolder.getCounter() + orderedListHolder.getDelimiter() + " ");
             visitChildren(listItem);
-            writeEndOfLineIfNeeded(listItem, null);
+            textContent.block();
             orderedListHolder.increaseCounter();
         } else if (listHolder != null && listHolder instanceof BulletListHolder) {
             BulletListHolder bulletListHolder = (BulletListHolder) listHolder;
-            if (!context.stripNewlines()) {
+            if (!stripNewlines()) {
                 textContent.write(bulletListHolder.getIndent() + bulletListHolder.getMarker() + " ");
             }
             visitChildren(listItem);
-            writeEndOfLineIfNeeded(listItem, null);
+            textContent.block();
         }
     }
 
     @Override
     public void visit(OrderedList orderedList) {
-        if (listHolder != null) {
-            writeEndOfLine();
-        }
+        // TODO: isTight()
         listHolder = new OrderedListHolder(listHolder, orderedList);
         visitChildren(orderedList);
-        writeEndOfLineIfNeeded(orderedList, null);
-        if (listHolder.getParent() != null) {
-            listHolder = listHolder.getParent();
-        } else {
-            listHolder = null;
-        }
+        textContent.block();
+        listHolder = listHolder.getParent();
     }
 
     @Override
     public void visit(Paragraph paragraph) {
         visitChildren(paragraph);
-        // Add "end of line" only if its "root paragraph.
-        if (paragraph.getParent() == null || paragraph.getParent() instanceof Document) {
-            writeEndOfLineIfNeeded(paragraph, null);
-        }
+        textContent.block();
     }
 
     @Override
     public void visit(SoftLineBreak softLineBreak) {
-        writeEndOfLineIfNeeded(softLineBreak, null);
+        if (stripNewlines()) {
+            textContent.whitespace();
+        } else {
+            textContent.line();
+        }
     }
 
     @Override
@@ -216,7 +216,7 @@ protected void visitChildren(Node parent) {
     }
 
     private void writeText(String text) {
-        if (context.stripNewlines()) {
+        if (stripNewlines()) {
             textContent.writeStripped(text);
         } else {
             textContent.write(text);
@@ -255,26 +255,15 @@ private void writeLink(Node node, String title, String destination) {
         }
     }
 
-    private void writeEndOfLineIfNeeded(Node node, Character c) {
-        if (context.stripNewlines()) {
-            if (c != null) {
-                textContent.write(c);
-            }
-            if (node.getNext() != null) {
-                textContent.whitespace();
-            }
-        } else {
-            if (node.getNext() != null) {
-                textContent.line();
-            }
-        }
+    private boolean stripNewlines() {
+        return context.lineBreakRendering() == LineBreakRendering.STRIP;
     }
 
-    private void writeEndOfLine() {
-        if (context.stripNewlines()) {
-            textContent.whitespace();
+    private static String stripTrailingNewline(String s) {
+        if (s.endsWith("\n")) {
+            return s.substring(0, s.length() - 1);
         } else {
-            textContent.line();
+            return s;
         }
     }
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/LineBreakRendering.java b/commonmark/src/main/java/org/commonmark/renderer/text/LineBreakRendering.java
new file mode 100644
index 000000000..27eeaf0da
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/LineBreakRendering.java
@@ -0,0 +1,19 @@
+package org.commonmark.renderer.text;
+
+/**
+ * Control how line breaks are rendered.
+ */
+public enum LineBreakRendering {
+    /**
+     * Strip all line breaks within blocks and between blocks, resulting in all the text in a single line.
+     */
+    STRIP,
+    /**
+     * Use single line breaks between blocks, not a blank line (also render all lists as tight).
+     */
+    COMPACT,
+    /**
+     * Separate blocks by a blank line (and respect tight vs loose lists).
+     */
+    SEPARATE_BLOCKS,
+}
diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentNodeRendererContext.java b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentNodeRendererContext.java
index 1b1cf327c..b3685f67e 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentNodeRendererContext.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentNodeRendererContext.java
@@ -4,10 +4,19 @@
 
 public interface TextContentNodeRendererContext {
 
+    /**
+     * TODO
+     *
+     * @return
+     */
+    LineBreakRendering lineBreakRendering();
+
     /**
      * @return true for stripping new lines and render text as "single line",
      * false for keeping all line breaks.
+     * @deprecated Use {@link #lineBreakRendering()} instead
      */
+    @Deprecated
     boolean stripNewlines();
 
     /**
diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
index 9dd5918af..c36f0a271 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
@@ -14,12 +14,12 @@
  */
 public class TextContentRenderer implements Renderer {
 
-    private final boolean stripNewlines;
+    private final LineBreakRendering lineBreakRendering;
 
     private final List<TextContentNodeRendererFactory> nodeRendererFactories;
 
     private TextContentRenderer(Builder builder) {
-        this.stripNewlines = builder.stripNewlines;
+        this.lineBreakRendering = builder.lineBreakRendering;
 
         this.nodeRendererFactories = new ArrayList<>(builder.nodeRendererFactories.size() + 1);
         this.nodeRendererFactories.addAll(builder.nodeRendererFactories);
@@ -43,7 +43,7 @@ public static Builder builder() {
 
     @Override
     public void render(Node node, Appendable output) {
-        RendererContext context = new RendererContext(new TextContentWriter(output));
+        RendererContext context = new RendererContext(new TextContentWriter(output, lineBreakRendering));
         context.render(node);
     }
 
@@ -59,8 +59,8 @@ public String render(Node node) {
      */
     public static class Builder {
 
-        private boolean stripNewlines = false;
         private List<TextContentNodeRendererFactory> nodeRendererFactories = new ArrayList<>();
+        private LineBreakRendering lineBreakRendering = LineBreakRendering.COMPACT;
 
         /**
          * @return the configured {@link TextContentRenderer}
@@ -69,15 +69,28 @@ public TextContentRenderer build() {
             return new TextContentRenderer(this);
         }
 
+        /**
+         * TODO
+         *
+         * @param lineBreakRendering
+         * @return
+         */
+        public Builder lineBreakRendering(LineBreakRendering lineBreakRendering) {
+            this.lineBreakRendering = lineBreakRendering;
+            return this;
+        }
+
         /**
          * Set the value of flag for stripping new lines.
          *
          * @param stripNewlines true for stripping new lines and render text as "single line",
          *                      false for keeping all line breaks
          * @return {@code this}
+         * @deprecated Use {@link #lineBreakRendering(LineBreakRendering)} with {@link LineBreakRendering#STRIP} instead
          */
+        @Deprecated
         public Builder stripNewlines(boolean stripNewlines) {
-            this.stripNewlines = stripNewlines;
+            this.lineBreakRendering = stripNewlines ? LineBreakRendering.STRIP : LineBreakRendering.COMPACT;
             return this;
         }
 
@@ -134,9 +147,14 @@ private RendererContext(TextContentWriter textContentWriter) {
             }
         }
 
+        @Override
+        public LineBreakRendering lineBreakRendering() {
+            return lineBreakRendering;
+        }
+
         @Override
         public boolean stripNewlines() {
-            return stripNewlines;
+            return lineBreakRendering == LineBreakRendering.STRIP;
         }
 
         @Override
diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentWriter.java b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentWriter.java
index 0ea56e621..2b9f35070 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentWriter.java
@@ -1,47 +1,99 @@
 package org.commonmark.renderer.text;
 
 import java.io.IOException;
+import java.util.LinkedList;
 
 public class TextContentWriter {
 
     private final Appendable buffer;
+    private final LineBreakRendering lineBreakRendering;
 
+    private final LinkedList<Boolean> tight = new LinkedList<>();
+
+    private String blockSeparator = null;
     private char lastChar;
 
     public TextContentWriter(Appendable out) {
-        buffer = out;
+        this(out, LineBreakRendering.COMPACT);
+    }
+
+    public TextContentWriter(Appendable out, LineBreakRendering lineBreakRendering) {
+        this.buffer = out;
+        this.lineBreakRendering = lineBreakRendering;
     }
 
     public void whitespace() {
         if (lastChar != 0 && lastChar != ' ') {
-            append(' ');
+            write(' ');
         }
     }
 
     public void colon() {
         if (lastChar != 0 && lastChar != ':') {
-            append(':');
+            write(':');
         }
     }
 
     public void line() {
-        if (lastChar != 0 && lastChar != '\n') {
-            append('\n');
-        }
+        append('\n');
+    }
+
+    public void block() {
+        blockSeparator = lineBreakRendering == LineBreakRendering.STRIP ? " " : //
+                lineBreakRendering == LineBreakRendering.COMPACT || isTight() ? "\n" : "\n\n";
+    }
+
+    public void resetBlock() {
+        blockSeparator = null;
     }
 
     public void writeStripped(String s) {
-        append(s.replaceAll("[\\r\\n\\s]+", " "));
+        write(s.replaceAll("[\\r\\n\\s]+", " "));
     }
 
     public void write(String s) {
+        flushBlockSeparator();
         append(s);
     }
 
     public void write(char c) {
+        flushBlockSeparator();
         append(c);
     }
 
+    /**
+     * Change whether blocks are tight or loose. Loose is the default where blocks are separated by a blank line. Tight
+     * is where blocks are not separated by a blank line. Tight blocks are used in lists, if there are no blank lines
+     * within the list.
+     * <p>
+     * Note that changing this does not affect block separators that have already been enqueued with {@link #block()},
+     * only future ones.
+     */
+    public void pushTight(boolean tight) {
+        this.tight.addLast(tight);
+    }
+
+    /**
+     * Remove the last "tight" setting from the top of the stack.
+     */
+    public void popTight() {
+        this.tight.removeLast();
+    }
+
+    private boolean isTight() {
+        return !tight.isEmpty() && tight.getLast();
+    }
+
+    /**
+     * If a block separator has been enqueued with {@link #block()} but not yet written, write it now.
+     */
+    private void flushBlockSeparator() {
+        if (blockSeparator != null) {
+            append(blockSeparator);
+            blockSeparator = null;
+        }
+    }
+
     private void append(String s) {
         try {
             buffer.append(s);
diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index 2f5e61ff8..4fb404644 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -3,6 +3,7 @@
 import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.node.Node;
 import org.commonmark.parser.Parser;
+import org.commonmark.testutil.Asserts;
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
@@ -249,8 +250,6 @@ public void textContentBrakes() {
         assertEquals("foo bar", rendered);
     }
 
-
-
     @Test
     public void textContentHtml() {
         String rendered;

From 03d2843d62c4d68c7315a0c6c46ba868e5208a54 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 23 Sep 2024 22:52:32 +1000
Subject: [PATCH 344/450] Make test case more compact

---
 .../test/TextContentRendererTest.java         | 307 ++++++------------
 1 file changed, 100 insertions(+), 207 deletions(-)

diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index 4fb404644..fd0c43424 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -12,248 +12,133 @@ public class TextContentRendererTest {
 
     @Test
     public void textContentText() {
-        String source;
-        String rendered;
+        String s;
+
+        s = "foo bar";
+        assertCompact(s, "foo bar");
+        assertStripped(s, "foo bar");
 
-        source = "foo bar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo bar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo bar", rendered);
-
-        source = "foo foo\n\nbar\nbar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo foo\nbar\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo foo bar bar", rendered);
+        s = "foo foo\n\nbar\nbar";
+        assertCompact(s, "foo foo\nbar\nbar");
+        assertStripped(s, "foo foo bar bar");
     }
 
     @Test
     public void textContentEmphasis() {
-        String source;
+        String s;
         String rendered;
 
-        source = "***foo***";
-        rendered = defaultRenderer(source, defaultRenderer());
-        assertEquals("foo", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo", rendered);
-
-        source = "foo ***foo*** bar ***bar***";
-        rendered = defaultRenderer(source);
-        assertEquals("foo foo bar bar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo foo bar bar", rendered);
-
-        source = "foo\n***foo***\nbar\n\n***bar***";
-        rendered = defaultRenderer(source);
-        assertEquals("foo\nfoo\nbar\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo foo bar bar", rendered);
-    }
+        s = "***foo***";
+        assertCompact(s, "foo");
+        assertStripped(s, "foo");
 
-    private String defaultRenderer(String source, TextContentRenderer textContentRenderer) {
-        String rendered;
-        rendered = textContentRenderer.render(parse(source));
-        return rendered;
+        s = "foo ***foo*** bar ***bar***";
+        assertCompact(s, "foo foo bar bar");
+        assertStripped(s, "foo foo bar bar");
+
+        s = "foo\n***foo***\nbar\n\n***bar***";
+        assertCompact(s, "foo\nfoo\nbar\nbar");
+        assertStripped(s, "foo foo bar bar");
     }
 
     @Test
     public void textContentQuotes() {
-        String source;
-        String rendered;
+        String s;
 
-        source = "foo\n>foo\nbar\n\nbar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo\n«foo\nbar»\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo «foo bar» bar", rendered);
+        s = "foo\n>foo\nbar\n\nbar";
+        assertCompact(s, "foo\n«foo\nbar»\nbar");
+        assertStripped(s, "foo «foo bar» bar");
     }
 
     @Test
     public void textContentLinks() {
-        String source;
-        String expected;
-        String rendered;
-
-        source = "foo [text](http://link \"title\") bar";
-        expected = "foo \"text\" (title: http://link) bar";
-        rendered = defaultRenderer(source);
-        assertEquals(expected, rendered);
-        rendered = strippedRenderer(source);
-        assertEquals(expected, rendered);
-
-        source = "foo [text](http://link \"http://link\") bar";
-        expected = "foo \"text\" (http://link) bar";
-        rendered = defaultRenderer(source);
-        assertEquals(expected, rendered);
-        rendered = strippedRenderer(source);
-        assertEquals(expected, rendered);
-
-        source = "foo [text](http://link) bar";
-        expected = "foo \"text\" (http://link) bar";
-        rendered = defaultRenderer(source);
-        assertEquals(expected, rendered);
-        rendered = strippedRenderer(source);
-        assertEquals(expected, rendered);
-
-        source = "foo [text]() bar";
-        expected = "foo \"text\" bar";
-        rendered = defaultRenderer(source);
-        assertEquals(expected, rendered);
-        rendered = strippedRenderer(source);
-        assertEquals(expected, rendered);
-
-        source = "foo http://link bar";
-        expected = "foo http://link bar";
-        rendered = defaultRenderer(source);
-        assertEquals(expected, rendered);
-        rendered = strippedRenderer(source);
-        assertEquals(expected, rendered);
+        assertAll("foo [text](http://link \"title\") bar", "foo \"text\" (title: http://link) bar");
+        assertAll("foo [text](http://link \"http://link\") bar", "foo \"text\" (http://link) bar");
+        assertAll("foo [text](http://link) bar", "foo \"text\" (http://link) bar");
+        assertAll("foo [text]() bar", "foo \"text\" bar");
+        assertAll("foo http://link bar", "foo http://link bar");
     }
 
     @Test
     public void textContentImages() {
-        String source;
-        String expected;
-        String rendered;
-
-        source = "foo ![text](http://link \"title\") bar";
-        expected = "foo \"text\" (title: http://link) bar";
-        rendered = defaultRenderer(source);
-        assertEquals(expected, rendered);
-        rendered = strippedRenderer(source);
-        assertEquals(expected, rendered);
-
-        source = "foo ![text](http://link) bar";
-        expected = "foo \"text\" (http://link) bar";
-        rendered = defaultRenderer(source);
-        assertEquals(expected, rendered);
-        rendered = strippedRenderer(source);
-        assertEquals(expected, rendered);
-
-        source = "foo ![text]() bar";
-        expected = "foo \"text\" bar";
-        rendered = defaultRenderer(source);
-        assertEquals(expected, rendered);
-        rendered = strippedRenderer(source);
-        assertEquals(expected, rendered);
+        assertAll("foo ![text](http://link \"title\") bar", "foo \"text\" (title: http://link) bar");
+        assertAll("foo ![text](http://link) bar", "foo \"text\" (http://link) bar");
+        assertAll("foo ![text]() bar", "foo \"text\" bar");
     }
 
     @Test
     public void textContentLists() {
-        String source;
-        String rendered;
+        String s;
+
+        s = "foo\n* foo\n* bar\n\nbar";
+        assertCompact(s, "foo\n* foo\n* bar\nbar");
+        assertStripped(s, "foo foo bar bar");
+
+        s = "foo\n- foo\n- bar\n\nbar";
+        assertCompact(s, "foo\n- foo\n- bar\nbar");
+        assertStripped(s, "foo foo bar bar");
+
+        s = "foo\n1. foo\n2. bar\n\nbar";
+        assertCompact(s, "foo\n1. foo\n2. bar\nbar");
+        assertStripped(s, "foo 1. foo 2. bar bar");
 
-        source = "foo\n* foo\n* bar\n\nbar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo\n* foo\n* bar\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo foo bar bar", rendered);
-
-        source = "foo\n- foo\n- bar\n\nbar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo\n- foo\n- bar\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo foo bar bar", rendered);
-
-        source = "foo\n1. foo\n2. bar\n\nbar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo\n1. foo\n2. bar\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo 1. foo 2. bar bar", rendered);
-
-        source = "foo\n0) foo\n1) bar\n\nbar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo\n0) foo\n1) bar\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo 0) foo 1) bar bar", rendered);
-
-        source = "bar\n1. foo\n   1. bar\n2. foo";
-        rendered = defaultRenderer(source);
-        assertEquals("bar\n1. foo\n   1. bar\n2. foo", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("bar 1. foo 1. bar 2. foo", rendered);
-
-        source = "bar\n* foo\n   - bar\n* foo";
-        rendered = defaultRenderer(source);
-        assertEquals("bar\n* foo\n   - bar\n* foo", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("bar foo bar foo", rendered);
-
-        source = "bar\n* foo\n   1. bar\n   2. bar\n* foo";
-        rendered = defaultRenderer(source);
-        assertEquals("bar\n* foo\n   1. bar\n   2. bar\n* foo", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("bar foo 1. bar 2. bar foo", rendered);
-
-        source = "bar\n1. foo\n   * bar\n   * bar\n2. foo";
-        rendered = defaultRenderer(source);
-        assertEquals("bar\n1. foo\n   * bar\n   * bar\n2. foo", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("bar 1. foo bar bar 2. foo", rendered);
+        s = "foo\n0) foo\n1) bar\n\nbar";
+        assertCompact(s, "foo\n0) foo\n1) bar\nbar");
+        assertStripped(s, "foo 0) foo 1) bar bar");
+
+        s = "bar\n1. foo\n   1. bar\n2. foo";
+        assertCompact(s, "bar\n1. foo\n   1. bar\n2. foo");
+        assertStripped(s, "bar 1. foo 1. bar 2. foo");
+
+        s = "bar\n* foo\n   - bar\n* foo";
+        assertCompact(s, "bar\n* foo\n   - bar\n* foo");
+        assertStripped(s, "bar foo bar foo");
+
+        s = "bar\n* foo\n   1. bar\n   2. bar\n* foo";
+        assertCompact(s, "bar\n* foo\n   1. bar\n   2. bar\n* foo");
+        assertStripped(s, "bar foo 1. bar 2. bar foo");
+
+        s = "bar\n1. foo\n   * bar\n   * bar\n2. foo";
+        assertCompact(s, "bar\n1. foo\n   * bar\n   * bar\n2. foo");
+        assertStripped(s, "bar 1. foo bar bar 2. foo");
     }
 
     @Test
     public void textContentCode() {
-        String source;
-        String expected;
-        String rendered;
-
-        source = "foo `code` bar";
-        expected = "foo \"code\" bar";
-        rendered = defaultRenderer(source);
-        assertEquals(expected, rendered);
-        rendered = strippedRenderer(source);
-        assertEquals(expected, rendered);
+        assertAll("foo `code` bar", "foo \"code\" bar");
     }
 
     @Test
     public void textContentCodeBlock() {
-        String source;
-        String rendered;
+        String s;
+        s = "foo\n```\nfoo\nbar\n```\nbar";
+        assertCompact(s, "foo\nfoo\nbar\nbar");
+        assertStripped(s, "foo foo bar bar");
 
-        source = "foo\n```\nfoo\nbar\n```\nbar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo\nfoo\nbar\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo foo bar bar", rendered);
-
-        source = "foo\n\n    foo\n     bar\nbar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo\nfoo\n bar\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo foo bar bar", rendered);
+        s = "foo\n\n    foo\n     bar\nbar";
+        assertCompact(s, "foo\nfoo\n bar\nbar");
+        assertStripped(s, "foo foo bar bar");
     }
 
     @Test
-    public void textContentBrakes() {
-        String source;
-        String rendered;
+    public void textContentBreaks() {
+        String s;
+
+        s = "foo\nbar";
+        assertCompact(s, "foo\nbar");
+        assertStripped(s, "foo bar");
+
+        s = "foo  \nbar";
+        assertCompact(s, "foo\nbar");
+        assertStripped(s, "foo bar");
 
-        source = "foo\nbar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo bar", rendered);
-
-        source = "foo  \nbar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo bar", rendered);
-
-        source = "foo\n___\nbar";
-        rendered = defaultRenderer(source);
-        assertEquals("foo\n***\nbar", rendered);
-        rendered = strippedRenderer(source);
-        assertEquals("foo bar", rendered);
+        s = "foo\n___\nbar";
+        assertCompact(s, "foo\n***\nbar");
+        assertStripped(s, "foo bar");
     }
 
     @Test
     public void textContentHtml() {
-        String rendered;
-
         String html = "<table>\n" +
                 "  <tr>\n" +
                 "    <td>\n" +
@@ -261,12 +146,10 @@ public void textContentHtml() {
                 "    </td>\n" +
                 "  </tr>\n" +
                 "</table>";
-        rendered = defaultRenderer(html);
-        assertEquals(html, rendered);
+        assertCompact(html, html);
 
         html = "foo <foo>foobar</foo> bar";
-        rendered = defaultRenderer(html);
-        assertEquals(html, rendered);
+        assertCompact(html, html);
     }
 
     private TextContentRenderer defaultRenderer() {
@@ -280,12 +163,22 @@ private TextContentRenderer strippedRenderer() {
     private Node parse(String source) {
         return Parser.builder().build().parse(source);
     }
+    
+    private void assertCompact(String source, String expected) {
+        var doc = parse(source);
+        var actualRendering = defaultRenderer().render(doc);
+        Asserts.assertRendering(source, expected, actualRendering);
+    }
 
-    private String strippedRenderer(String source) {
-        return strippedRenderer().render(parse(source));
+    private void assertStripped(String source, String expected) {
+        var doc = parse(source);
+        var actualRendering = strippedRenderer().render(doc);
+        Asserts.assertRendering(source, expected, actualRendering);
     }
 
-    private String defaultRenderer(String source) {
-        return defaultRenderer().render(parse(source));
+    private void assertAll(String source, String expected) {
+        assertCompact(source, expected);
+        assertStripped(source, expected);
+        // TODO
     }
 }

From 97eeb6a27e8e043908b2d221d8e3e55ffe76e660 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 23 Sep 2024 23:04:21 +1000
Subject: [PATCH 345/450] Tests for separate blocks, implement tight/loose

---
 .../text/CoreTextContentNodeRenderer.java     |  6 ++-
 .../test/TextContentRendererTest.java         | 47 +++++++++++++++++--
 2 files changed, 46 insertions(+), 7 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
index 64968ae76..68b1fbce5 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
@@ -74,9 +74,10 @@ public void visit(BlockQuote blockQuote) {
 
     @Override
     public void visit(BulletList bulletList) {
-        // TODO: isTight()
+        textContent.pushTight(bulletList.isTight());
         listHolder = new BulletListHolder(listHolder, bulletList);
         visitChildren(bulletList);
+        textContent.popTight();
         textContent.block();
         listHolder = listHolder.getParent();
     }
@@ -178,9 +179,10 @@ public void visit(ListItem listItem) {
 
     @Override
     public void visit(OrderedList orderedList) {
-        // TODO: isTight()
+        textContent.pushTight(orderedList.isTight());
         listHolder = new OrderedListHolder(listHolder, orderedList);
         visitChildren(orderedList);
+        textContent.popTight();
         textContent.block();
         listHolder = listHolder.getParent();
     }
diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index fd0c43424..e459c63a3 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -1,5 +1,6 @@
 package org.commonmark.test;
 
+import org.commonmark.renderer.text.LineBreakRendering;
 import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.node.Node;
 import org.commonmark.parser.Parser;
@@ -20,6 +21,7 @@ public void textContentText() {
 
         s = "foo foo\n\nbar\nbar";
         assertCompact(s, "foo foo\nbar\nbar");
+        assertSeparate(s, "foo foo\n\nbar\nbar");
         assertStripped(s, "foo foo bar bar");
     }
 
@@ -38,6 +40,7 @@ public void textContentEmphasis() {
 
         s = "foo\n***foo***\nbar\n\n***bar***";
         assertCompact(s, "foo\nfoo\nbar\nbar");
+        assertSeparate(s, "foo\nfoo\nbar\n\nbar");
         assertStripped(s, "foo foo bar bar");
     }
 
@@ -47,6 +50,7 @@ public void textContentQuotes() {
 
         s = "foo\n>foo\nbar\n\nbar";
         assertCompact(s, "foo\n«foo\nbar»\nbar");
+        assertSeparate(s, "foo\n\n«foo\nbar»\n\nbar");
         assertStripped(s, "foo «foo bar» bar");
     }
 
@@ -72,35 +76,52 @@ public void textContentLists() {
 
         s = "foo\n* foo\n* bar\n\nbar";
         assertCompact(s, "foo\n* foo\n* bar\nbar");
+        assertSeparate(s, "foo\n\n* foo\n* bar\n\nbar");
         assertStripped(s, "foo foo bar bar");
 
         s = "foo\n- foo\n- bar\n\nbar";
         assertCompact(s, "foo\n- foo\n- bar\nbar");
+        assertSeparate(s, "foo\n\n- foo\n- bar\n\nbar");
         assertStripped(s, "foo foo bar bar");
 
         s = "foo\n1. foo\n2. bar\n\nbar";
         assertCompact(s, "foo\n1. foo\n2. bar\nbar");
+        assertSeparate(s, "foo\n\n1. foo\n2. bar\n\nbar");
         assertStripped(s, "foo 1. foo 2. bar bar");
 
         s = "foo\n0) foo\n1) bar\n\nbar";
         assertCompact(s, "foo\n0) foo\n1) bar\nbar");
+        assertSeparate(s, "foo\n0) foo\n\n1) bar\n\nbar");
         assertStripped(s, "foo 0) foo 1) bar bar");
 
         s = "bar\n1. foo\n   1. bar\n2. foo";
         assertCompact(s, "bar\n1. foo\n   1. bar\n2. foo");
+        assertSeparate(s, "bar\n\n1. foo\n   1. bar\n2. foo");
         assertStripped(s, "bar 1. foo 1. bar 2. foo");
 
         s = "bar\n* foo\n   - bar\n* foo";
         assertCompact(s, "bar\n* foo\n   - bar\n* foo");
+        assertSeparate(s, "bar\n\n* foo\n   - bar\n* foo");
         assertStripped(s, "bar foo bar foo");
 
         s = "bar\n* foo\n   1. bar\n   2. bar\n* foo";
         assertCompact(s, "bar\n* foo\n   1. bar\n   2. bar\n* foo");
+        assertSeparate(s, "bar\n\n* foo\n   1. bar\n   2. bar\n* foo");
         assertStripped(s, "bar foo 1. bar 2. bar foo");
 
         s = "bar\n1. foo\n   * bar\n   * bar\n2. foo";
         assertCompact(s, "bar\n1. foo\n   * bar\n   * bar\n2. foo");
+        assertSeparate(s, "bar\n\n1. foo\n   * bar\n   * bar\n2. foo");
         assertStripped(s, "bar 1. foo bar bar 2. foo");
+
+        // For a loose list (not tight)
+        s = "foo\n\n* bar\n\n* baz";
+        // Compact ignores loose
+        assertCompact(s, "foo\n* bar\n* baz");
+        // Separate preserves it
+        assertSeparate(s, "foo\n\n* bar\n\n* baz");
+        assertStripped(s, "foo bar baz");
+
     }
 
     @Test
@@ -113,10 +134,12 @@ public void textContentCodeBlock() {
         String s;
         s = "foo\n```\nfoo\nbar\n```\nbar";
         assertCompact(s, "foo\nfoo\nbar\nbar");
+        assertSeparate(s, "foo\n\nfoo\nbar\n\nbar");
         assertStripped(s, "foo foo bar bar");
 
         s = "foo\n\n    foo\n     bar\nbar";
         assertCompact(s, "foo\nfoo\n bar\nbar");
+        assertSeparate(s, "foo\n\nfoo\n bar\n\nbar");
         assertStripped(s, "foo foo bar bar");
     }
 
@@ -126,14 +149,17 @@ public void textContentBreaks() {
 
         s = "foo\nbar";
         assertCompact(s, "foo\nbar");
+        assertSeparate(s, "foo\nbar");
         assertStripped(s, "foo bar");
 
         s = "foo  \nbar";
         assertCompact(s, "foo\nbar");
+        assertSeparate(s, "foo\nbar");
         assertStripped(s, "foo bar");
 
         s = "foo\n___\nbar";
         assertCompact(s, "foo\n***\nbar");
+        assertSeparate(s, "foo\n\n***\n\nbar");
         assertStripped(s, "foo bar");
     }
 
@@ -147,15 +173,20 @@ public void textContentHtml() {
                 "  </tr>\n" +
                 "</table>";
         assertCompact(html, html);
+        assertSeparate(html, html);
 
         html = "foo <foo>foobar</foo> bar";
-        assertCompact(html, html);
+        assertAll(html, html);
     }
 
-    private TextContentRenderer defaultRenderer() {
+    private TextContentRenderer compactRenderer() {
         return TextContentRenderer.builder().build();
     }
 
+    private TextContentRenderer separateBlocksRenderer() {
+        return TextContentRenderer.builder().lineBreakRendering(LineBreakRendering.SEPARATE_BLOCKS).build();
+    }
+
     private TextContentRenderer strippedRenderer() {
         return TextContentRenderer.builder().stripNewlines(true).build();
     }
@@ -163,10 +194,16 @@ private TextContentRenderer strippedRenderer() {
     private Node parse(String source) {
         return Parser.builder().build().parse(source);
     }
-    
+
     private void assertCompact(String source, String expected) {
         var doc = parse(source);
-        var actualRendering = defaultRenderer().render(doc);
+        var actualRendering = compactRenderer().render(doc);
+        Asserts.assertRendering(source, expected, actualRendering);
+    }
+
+    private void assertSeparate(String source, String expected) {
+        var doc = parse(source);
+        var actualRendering = separateBlocksRenderer().render(doc);
         Asserts.assertRendering(source, expected, actualRendering);
     }
 
@@ -178,7 +215,7 @@ private void assertStripped(String source, String expected) {
 
     private void assertAll(String source, String expected) {
         assertCompact(source, expected);
+        assertSeparate(source, expected);
         assertStripped(source, expected);
-        // TODO
     }
 }

From 1906ee9c6966616ed65f1d4eba8e925c9cf3a1f1 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 24 Sep 2024 18:52:23 +1000
Subject: [PATCH 346/450] Document lineBreakRendering

---
 .../renderer/text/TextContentNodeRendererContext.java      | 4 +---
 .../org/commonmark/renderer/text/TextContentRenderer.java  | 7 ++++---
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentNodeRendererContext.java b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentNodeRendererContext.java
index b3685f67e..d6fcb8d77 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentNodeRendererContext.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentNodeRendererContext.java
@@ -5,9 +5,7 @@
 public interface TextContentNodeRendererContext {
 
     /**
-     * TODO
-     *
-     * @return
+     * Controls how line breaks should be rendered, see {@link LineBreakRendering}.
      */
     LineBreakRendering lineBreakRendering();
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
index c36f0a271..57006bfc5 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
@@ -70,10 +70,11 @@ public TextContentRenderer build() {
         }
 
         /**
-         * TODO
+         * Configure how line breaks (newlines) are rendered, see {@link LineBreakRendering}.
+         * The default is {@link LineBreakRendering#COMPACT}.
          *
-         * @param lineBreakRendering
-         * @return
+         * @param lineBreakRendering the mode to use
+         * @return {@code this}
          */
         public Builder lineBreakRendering(LineBreakRendering lineBreakRendering) {
             this.lineBreakRendering = lineBreakRendering;

From 6e529d4117a5780b9eaf7377f96fb42880a93309 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 24 Sep 2024 21:44:21 +1000
Subject: [PATCH 347/450] Fix tables rendering

---
 .../TableTextContentNodeRenderer.java         |  30 ++----
 .../ext/gfm/tables/TablesTextContentTest.java | 102 +++++++++++-------
 .../test/TextContentRendererTest.java         |  35 +++---
 3 files changed, 88 insertions(+), 79 deletions(-)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableTextContentNodeRenderer.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableTextContentNodeRenderer.java
index 94b0e8665..7d28f61a8 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableTextContentNodeRenderer.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableTextContentNodeRenderer.java
@@ -23,10 +23,11 @@ public TableTextContentNodeRenderer(TextContentNodeRendererContext context) {
     }
 
     protected void renderBlock(TableBlock tableBlock) {
+        // Render rows tight
+        textContentWriter.pushTight(true);
         renderChildren(tableBlock);
-        if (tableBlock.getNext() != null) {
-            textContentWriter.write("\n");
-        }
+        textContentWriter.popTight();
+        textContentWriter.block();
     }
 
     protected void renderHead(TableHead tableHead) {
@@ -38,33 +39,24 @@ protected void renderBody(TableBody tableBody) {
     }
 
     protected void renderRow(TableRow tableRow) {
-        textContentWriter.line();
         renderChildren(tableRow);
-        textContentWriter.line();
+        textContentWriter.block();
     }
 
     protected void renderCell(TableCell tableCell) {
         renderChildren(tableCell);
-        textContentWriter.write('|');
-        textContentWriter.whitespace();
-    }
-
-    private void renderLastCell(TableCell tableCell) {
-        renderChildren(tableCell);
+        // For the last cell in row, don't render the delimiter
+        if (tableCell.getNext() != null) {
+            textContentWriter.write('|');
+            textContentWriter.whitespace();
+        }
     }
 
     private void renderChildren(Node parent) {
         Node node = parent.getFirstChild();
         while (node != null) {
             Node next = node.getNext();
-
-            // For last cell in row, we dont render the delimiter.
-            if (node instanceof TableCell && next == null) {
-                renderLastCell((TableCell) node);
-            } else {
-                context.render(node);
-            }
-
+            context.render(node);
             node = next;
         }
     }
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java
index 7d6feb248..c5ef8cb5a 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java
@@ -2,137 +2,165 @@
 
 import org.commonmark.Extension;
 import org.commonmark.parser.Parser;
+import org.commonmark.renderer.text.LineBreakRendering;
 import org.commonmark.renderer.text.TextContentRenderer;
-import org.commonmark.testutil.RenderingTestCase;
+import org.commonmark.testutil.Asserts;
 import org.junit.Test;
 
 import java.util.Set;
 
-public class TablesTextContentTest extends RenderingTestCase {
+public class TablesTextContentTest {
 
     private static final Set<Extension> EXTENSIONS = Set.of(TablesExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final TextContentRenderer RENDERER = TextContentRenderer.builder().extensions(EXTENSIONS).build();
 
+    private static final TextContentRenderer COMPACT_RENDERER = TextContentRenderer.builder().extensions(EXTENSIONS).build();
+    private static final TextContentRenderer SEPARATE_RENDERER = TextContentRenderer.builder().extensions(EXTENSIONS)
+            .lineBreakRendering(LineBreakRendering.SEPARATE_BLOCKS).build();
+    private static final TextContentRenderer STRIPPED_RENDERER = TextContentRenderer.builder().extensions(EXTENSIONS)
+            .lineBreakRendering(LineBreakRendering.STRIP).build();
+
     @Test
     public void oneHeadNoBody() {
-        assertRendering("Abc|Def\n---|---", "Abc| Def\n");
+        assertCompact("Abc|Def\n---|---", "Abc| Def");
     }
 
     @Test
     public void oneColumnOneHeadNoBody() {
-        String expected = "Abc\n";
-        assertRendering("|Abc\n|---\n", expected);
-        assertRendering("|Abc|\n|---|\n", expected);
-        assertRendering("Abc|\n---|\n", expected);
+        String expected = "Abc";
+        assertCompact("|Abc\n|---\n", expected);
+        assertCompact("|Abc|\n|---|\n", expected);
+        assertCompact("Abc|\n---|\n", expected);
 
         // Pipe required on separator
-        assertRendering("|Abc\n---\n", "|Abc");
+        assertCompact("|Abc\n---\n", "|Abc");
         // Pipe required on head
-        assertRendering("Abc\n|---\n", "Abc\n|---");
+        assertCompact("Abc\n|---\n", "Abc\n|---");
     }
 
     @Test
     public void oneColumnOneHeadOneBody() {
-        String expected = "Abc\n1\n";
-        assertRendering("|Abc\n|---\n|1", expected);
-        assertRendering("|Abc|\n|---|\n|1|", expected);
-        assertRendering("Abc|\n---|\n1|", expected);
+        String expected = "Abc\n1";
+        assertCompact("|Abc\n|---\n|1", expected);
+        assertCompact("|Abc|\n|---|\n|1|", expected);
+        assertCompact("Abc|\n---|\n1|", expected);
 
         // Pipe required on separator
-        assertRendering("|Abc\n---\n|1", "|Abc\n|1");
+        assertCompact("|Abc\n---\n|1", "|Abc\n|1");
     }
 
     @Test
     public void oneHeadOneBody() {
-        assertRendering("Abc|Def\n---|---\n1|2", "Abc| Def\n1| 2\n");
+        assertCompact("Abc|Def\n---|---\n1|2", "Abc| Def\n1| 2");
     }
 
     @Test
     public void separatorMustNotHaveLessPartsThanHead() {
-        assertRendering("Abc|Def|Ghi\n---|---\n1|2|3", "Abc|Def|Ghi\n---|---\n1|2|3");
+        assertCompact("Abc|Def|Ghi\n---|---\n1|2|3", "Abc|Def|Ghi\n---|---\n1|2|3");
     }
 
     @Test
     public void padding() {
-        assertRendering(" Abc  | Def \n --- | --- \n 1 | 2 ", "Abc| Def\n1| 2\n");
+        assertCompact(" Abc  | Def \n --- | --- \n 1 | 2 ", "Abc| Def\n1| 2");
     }
 
     @Test
     public void paddingWithCodeBlockIndentation() {
-        assertRendering("Abc|Def\n---|---\n    1|2", "Abc| Def\n1| 2\n");
+        assertCompact("Abc|Def\n---|---\n    1|2", "Abc| Def\n1| 2");
     }
 
     @Test
     public void pipesOnOutside() {
-        assertRendering("|Abc|Def|\n|---|---|\n|1|2|", "Abc| Def\n1| 2\n");
+        assertCompact("|Abc|Def|\n|---|---|\n|1|2|", "Abc| Def\n1| 2");
     }
 
     @Test
     public void inlineElements() {
-        assertRendering("*Abc*|Def\n---|---\n1|2", "Abc| Def\n1| 2\n");
+        assertCompact("*Abc*|Def\n---|---\n1|2", "Abc| Def\n1| 2");
     }
 
     @Test
     public void escapedPipe() {
-        assertRendering("Abc|Def\n---|---\n1\\|2|20", "Abc| Def\n1|2| 20\n");
+        assertCompact("Abc|Def\n---|---\n1\\|2|20", "Abc| Def\n1|2| 20");
     }
 
     @Test
     public void alignLeft() {
-        assertRendering("Abc|Def\n:---|---\n1|2", "Abc| Def\n1| 2\n");
+        assertCompact("Abc|Def\n:---|---\n1|2", "Abc| Def\n1| 2");
     }
 
     @Test
     public void alignRight() {
-        assertRendering("Abc|Def\n---:|---\n1|2", "Abc| Def\n1| 2\n");
+        assertCompact("Abc|Def\n---:|---\n1|2", "Abc| Def\n1| 2");
     }
 
     @Test
     public void alignCenter() {
-        assertRendering("Abc|Def\n:---:|---\n1|2", "Abc| Def\n1| 2\n");
+        assertCompact("Abc|Def\n:---:|---\n1|2", "Abc| Def\n1| 2");
     }
 
     @Test
     public void alignCenterSecond() {
-        assertRendering("Abc|Def\n---|:---:\n1|2", "Abc| Def\n1| 2\n");
+        assertCompact("Abc|Def\n---|:---:\n1|2", "Abc| Def\n1| 2");
     }
 
     @Test
     public void alignLeftWithSpaces() {
-        assertRendering("Abc|Def\n :--- |---\n1|2", "Abc| Def\n1| 2\n");
+        assertCompact("Abc|Def\n :--- |---\n1|2", "Abc| Def\n1| 2");
     }
 
     @Test
     public void alignmentMarkerMustBeNextToDashes() {
-        assertRendering("Abc|Def\n: ---|---", "Abc|Def\n: ---|---");
-        assertRendering("Abc|Def\n--- :|---", "Abc|Def\n--- :|---");
-        assertRendering("Abc|Def\n---|: ---", "Abc|Def\n---|: ---");
-        assertRendering("Abc|Def\n---|--- :", "Abc|Def\n---|--- :");
+        assertCompact("Abc|Def\n: ---|---", "Abc|Def\n: ---|---");
+        assertCompact("Abc|Def\n--- :|---", "Abc|Def\n--- :|---");
+        assertCompact("Abc|Def\n---|: ---", "Abc|Def\n---|: ---");
+        assertCompact("Abc|Def\n---|--- :", "Abc|Def\n---|--- :");
     }
 
     @Test
     public void bodyCanNotHaveMoreColumnsThanHead() {
-        assertRendering("Abc|Def\n---|---\n1|2|3", "Abc| Def\n1| 2\n");
+        assertCompact("Abc|Def\n---|---\n1|2|3", "Abc| Def\n1| 2");
     }
 
     @Test
     public void bodyWithFewerColumnsThanHeadResultsInEmptyCells() {
-        assertRendering("Abc|Def|Ghi\n---|---|---\n1|2", "Abc| Def| Ghi\n1| 2| \n");
+        assertCompact("Abc|Def|Ghi\n---|---|---\n1|2", "Abc| Def| Ghi\n1| 2| ");
     }
 
     @Test
     public void insideBlockQuote() {
-        assertRendering("> Abc|Def\n> ---|---\n> 1|2", "«\nAbc| Def\n1| 2\n»");
+        assertCompact("> Abc|Def\n> ---|---\n> 1|2", "«Abc| Def\n1| 2»");
     }
 
     @Test
     public void tableWithLazyContinuationLine() {
-        assertRendering("Abc|Def\n---|---\n1|2\nlazy", "Abc| Def\n1| 2\nlazy| \n");
+        assertCompact("Abc|Def\n---|---\n1|2\nlazy", "Abc| Def\n1| 2\nlazy| ");
+    }
+
+    @Test
+    public void tableBetweenOtherBlocks() {
+        var s = "Foo\n\nAbc|Def\n---|---\n1|2\n\nBar";
+        assertCompact(s, "Foo\nAbc| Def\n1| 2\nBar");
+        assertSeparate(s, "Foo\n\nAbc| Def\n1| 2\n\nBar");
+        assertStripped(s, "Foo Abc| Def 1| 2 Bar");
+    }
+
+    private void assertCompact(String source, String expected) {
+        var doc = PARSER.parse(source);
+        var actualRendering = COMPACT_RENDERER.render(doc);
+        Asserts.assertRendering(source, expected, actualRendering);
+    }
+
+    private void assertSeparate(String source, String expected) {
+        var doc = PARSER.parse(source);
+        var actualRendering = SEPARATE_RENDERER.render(doc);
+        Asserts.assertRendering(source, expected, actualRendering);
     }
 
-    @Override
-    protected String render(String source) {
-        return RENDERER.render(PARSER.parse(source));
+    private void assertStripped(String source, String expected) {
+        var doc = PARSER.parse(source);
+        var actualRendering = STRIPPED_RENDERER.render(doc);
+        Asserts.assertRendering(source, expected, actualRendering);
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index e459c63a3..1c07f466d 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -2,7 +2,6 @@
 
 import org.commonmark.renderer.text.LineBreakRendering;
 import org.commonmark.renderer.text.TextContentRenderer;
-import org.commonmark.node.Node;
 import org.commonmark.parser.Parser;
 import org.commonmark.testutil.Asserts;
 import org.junit.Test;
@@ -11,6 +10,12 @@
 
 public class TextContentRendererTest {
 
+    private static final Parser PARSER = Parser.builder().build();
+    private static final TextContentRenderer COMPACT_RENDERER = TextContentRenderer.builder().build();
+    private static final TextContentRenderer SEPARATE_RENDERER = TextContentRenderer.builder()
+            .lineBreakRendering(LineBreakRendering.SEPARATE_BLOCKS).build();
+    private static final TextContentRenderer STRIPPED_RENDERER = TextContentRenderer.builder().stripNewlines(true).build();
+
     @Test
     public void textContentText() {
         String s;
@@ -179,37 +184,21 @@ public void textContentHtml() {
         assertAll(html, html);
     }
 
-    private TextContentRenderer compactRenderer() {
-        return TextContentRenderer.builder().build();
-    }
-
-    private TextContentRenderer separateBlocksRenderer() {
-        return TextContentRenderer.builder().lineBreakRendering(LineBreakRendering.SEPARATE_BLOCKS).build();
-    }
-
-    private TextContentRenderer strippedRenderer() {
-        return TextContentRenderer.builder().stripNewlines(true).build();
-    }
-
-    private Node parse(String source) {
-        return Parser.builder().build().parse(source);
-    }
-
     private void assertCompact(String source, String expected) {
-        var doc = parse(source);
-        var actualRendering = compactRenderer().render(doc);
+        var doc = PARSER.parse(source);
+        var actualRendering = COMPACT_RENDERER.render(doc);
         Asserts.assertRendering(source, expected, actualRendering);
     }
 
     private void assertSeparate(String source, String expected) {
-        var doc = parse(source);
-        var actualRendering = separateBlocksRenderer().render(doc);
+        var doc = PARSER.parse(source);
+        var actualRendering = SEPARATE_RENDERER.render(doc);
         Asserts.assertRendering(source, expected, actualRendering);
     }
 
     private void assertStripped(String source, String expected) {
-        var doc = parse(source);
-        var actualRendering = strippedRenderer().render(doc);
+        var doc = PARSER.parse(source);
+        var actualRendering = STRIPPED_RENDERER.render(doc);
         Asserts.assertRendering(source, expected, actualRendering);
     }
 

From 6cef998677653dd4b4c42fe8c988749cba5c48ab Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 24 Sep 2024 21:51:42 +1000
Subject: [PATCH 348/450] Add test for heading

---
 .../java/org/commonmark/test/TextContentRendererTest.java  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index 1c07f466d..e32aa9d84 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -30,6 +30,13 @@ public void textContentText() {
         assertStripped(s, "foo foo bar bar");
     }
 
+    @Test
+    public void textContentHeading() {
+        assertCompact("# Heading\n\nFoo", "Heading\nFoo");
+        assertSeparate("# Heading\n\nFoo", "Heading\n\nFoo");
+        assertStripped("# Heading\n\nFoo", "Heading: Foo");
+    }
+
     @Test
     public void textContentEmphasis() {
         String s;

From cebb01052456c13eb187dd3722247e35af102b0a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 6 Oct 2024 12:00:30 +1100
Subject: [PATCH 349/450] TextContentRenderer: Fix overriding of core node
 rendering

---
 .../renderer/text/TextContentRenderer.java    |  8 ++--
 .../test/TextContentRendererTest.java         | 42 +++++++++++++++++++
 2 files changed, 45 insertions(+), 5 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
index 57006bfc5..d64d0c7ef 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentRenderer.java
@@ -140,11 +140,9 @@ private class RendererContext implements TextContentNodeRendererContext {
         private RendererContext(TextContentWriter textContentWriter) {
             this.textContentWriter = textContentWriter;
 
-            // The first node renderer for a node type "wins".
-            for (int i = nodeRendererFactories.size() - 1; i >= 0; i--) {
-                TextContentNodeRendererFactory nodeRendererFactory = nodeRendererFactories.get(i);
-                NodeRenderer nodeRenderer = nodeRendererFactory.create(this);
-                nodeRendererMap.add(nodeRenderer);
+            for (var factory : nodeRendererFactories) {
+                var renderer = factory.create(this);
+                nodeRendererMap.add(renderer);
             }
         }
 
diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index e32aa9d84..45d7aa91d 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -1,11 +1,18 @@
 package org.commonmark.test;
 
+import org.commonmark.node.Link;
+import org.commonmark.node.Node;
+import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.text.LineBreakRendering;
+import org.commonmark.renderer.text.TextContentNodeRendererContext;
+import org.commonmark.renderer.text.TextContentNodeRendererFactory;
 import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.parser.Parser;
 import org.commonmark.testutil.Asserts;
 import org.junit.Test;
 
+import java.util.Set;
+
 import static org.junit.Assert.assertEquals;
 
 public class TextContentRendererTest {
@@ -191,6 +198,41 @@ public void textContentHtml() {
         assertAll(html, html);
     }
 
+    @Test
+    public void testOverrideNodeRendering() {
+        var nodeRendererFactory = new TextContentNodeRendererFactory() {
+            @Override
+            public NodeRenderer create(TextContentNodeRendererContext context) {
+                return new NodeRenderer() {
+
+                    @Override
+                    public Set<Class<? extends Node>> getNodeTypes() {
+                        return Set.of(Link.class);
+                    }
+
+                    @Override
+                    public void render(Node node) {
+                        context.getWriter().write('"');
+                        renderChildren(node);
+                        context.getWriter().write('"');
+                    }
+
+                    private void renderChildren(Node parent) {
+                        Node node = parent.getFirstChild();
+                        while (node != null) {
+                            Node next = node.getNext();
+                            context.render(node);
+                            node = next;
+                        }
+                    }
+                };
+            }
+        };
+        var renderer = TextContentRenderer.builder().nodeRendererFactory(nodeRendererFactory).build();
+        var source = "Hi [Example](https://example.com)";
+        Asserts.assertRendering(source, "Hi \"Example\"", renderer.render(PARSER.parse(source)));
+    }
+
     private void assertCompact(String source, String expected) {
         var doc = PARSER.parse(source);
         var actualRendering = COMPACT_RENDERER.render(doc);

From 6e93f850d761490b09366761db21ffd4cbbe8f70 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 12 Oct 2024 22:35:30 +1100
Subject: [PATCH 350/450] Add LineReader for reading lines with terminators

---
 .../commonmark/internal/util/LineReader.java  | 149 ++++++++++++++++++
 .../internal/util/LineReaderTest.java         | 128 +++++++++++++++
 2 files changed, 277 insertions(+)
 create mode 100644 commonmark/src/main/java/org/commonmark/internal/util/LineReader.java
 create mode 100644 commonmark/src/test/java/org/commonmark/internal/util/LineReaderTest.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/util/LineReader.java b/commonmark/src/main/java/org/commonmark/internal/util/LineReader.java
new file mode 100644
index 000000000..b44098257
--- /dev/null
+++ b/commonmark/src/main/java/org/commonmark/internal/util/LineReader.java
@@ -0,0 +1,149 @@
+package org.commonmark.internal.util;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.Reader;
+
+/**
+ * Reads lines from a reader like {@link java.io.BufferedReader} but also returns the line terminators.
+ * <p>
+ * Line terminators can be either a line feed {@code "\n"}, carriage return {@code "\r"}, or a carriage return followed
+ * by a line feed {@code "\r\n"}. Call {@link #getLineTerminator()} after {@link #readLine()} to obtain the
+ * corresponding line terminator. If a stream has a line at the end without a terminator, {@link #getLineTerminator()}
+ * returns {@code null}.
+ */
+public class LineReader implements Closeable {
+
+    // Same as java.io.BufferedReader
+    static final int CHAR_BUFFER_SIZE = 8192;
+    static final int EXPECTED_LINE_LENGTH = 80;
+
+    private Reader reader;
+    private char[] cbuf;
+
+    private int position = 0;
+    private int limit = 0;
+
+    private String lineTerminator = null;
+
+    public LineReader(Reader reader) {
+        this.reader = reader;
+        this.cbuf = new char[CHAR_BUFFER_SIZE];
+    }
+
+    /**
+     * Read a line of text.
+     *
+     * @return the line, or {@code null} when the end of the stream has been reached and no more lines can be read
+     */
+    public String readLine() throws IOException {
+        StringBuilder sb = null;
+        boolean cr = false;
+
+        while (true) {
+            if (position >= limit) {
+                fill();
+            }
+
+            if (cr) {
+                // We saw a CR before, check if we have CR LF or just CR.
+                if (position < limit && cbuf[position] == '\n') {
+                    position++;
+                    return line(sb.toString(), "\r\n");
+                } else {
+                    return line(sb.toString(), "\r");
+                }
+            }
+
+            if (position >= limit) {
+                // End of stream, return either the last line without terminator or null for end.
+                return line(sb != null ? sb.toString() : null, null);
+            }
+
+            int start = position;
+            int i = position;
+            for (; i < limit; i++) {
+                char c = cbuf[i];
+                if (c == '\n') {
+                    position = i + 1;
+                    return line(finish(sb, start, i), "\n");
+                } else if (c == '\r') {
+                    if (i + 1 < limit) {
+                        // We know what the next character is, so we can check now whether we have
+                        // a CR LF or just a CR and return.
+                        if (cbuf[i + 1] == '\n') {
+                            position = i + 2;
+                            return line(finish(sb, start, i), "\r\n");
+                        } else {
+                            position = i + 1;
+                            return line(finish(sb, start, i), "\r");
+                        }
+                    } else {
+                        // We don't know what the next character is yet, check on next iteration.
+                        cr = true;
+                        position = i + 1;
+                        break;
+                    }
+                }
+            }
+
+            if (position < i) {
+                position = i;
+            }
+
+            // Haven't found a finished line yet, copy the data from the buffer so that we can fill
+            // the buffer again.
+            if (sb == null) {
+                sb = new StringBuilder(EXPECTED_LINE_LENGTH);
+            }
+            sb.append(cbuf, start, i - start);
+        }
+    }
+
+    /**
+     * Return the line terminator of the last read line from {@link #readLine()}.
+     *
+     * @return {@code "\n"}, {@code "\r"}, {@code "\r\n"}, or {@code null}
+     */
+    public String getLineTerminator() {
+        return lineTerminator;
+    }
+
+    @Override
+    public void close() throws IOException {
+        if (reader == null) {
+            return;
+        }
+        try {
+            reader.close();
+        } finally {
+            reader = null;
+            cbuf = null;
+        }
+    }
+
+    private void fill() throws IOException {
+        int read;
+        do {
+            read = reader.read(cbuf, 0, cbuf.length);
+        } while (read == 0);
+        if (read > 0) {
+            limit = read;
+            position = 0;
+        }
+    }
+
+    private String line(String line, String lineTerminator) {
+        this.lineTerminator = lineTerminator;
+        return line;
+    }
+
+    private String finish(StringBuilder sb, int start, int end) {
+        int len = end - start;
+        if (sb == null) {
+            return new String(cbuf, start, len);
+        } else {
+            return sb.append(cbuf, start, len).toString();
+        }
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/internal/util/LineReaderTest.java b/commonmark/src/test/java/org/commonmark/internal/util/LineReaderTest.java
new file mode 100644
index 000000000..fc48623a8
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/internal/util/LineReaderTest.java
@@ -0,0 +1,128 @@
+package org.commonmark.internal.util;
+
+import org.junit.Test;
+
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Objects;
+
+import static java.util.stream.Collectors.joining;
+import static org.commonmark.internal.util.LineReader.CHAR_BUFFER_SIZE;
+import static org.junit.Assert.*;
+
+public class LineReaderTest {
+
+    @Test
+    public void testReadLine() throws IOException {
+        assertLines();
+
+        assertLines("", "\n");
+        assertLines("foo", "\n", "bar", "\n");
+        assertLines("foo", "\n", "bar", null);
+        assertLines("", "\n", "", "\n");
+        assertLines(repeat("a", CHAR_BUFFER_SIZE - 1), "\n");
+        assertLines(repeat("a", CHAR_BUFFER_SIZE), "\n");
+        assertLines(repeat("a", CHAR_BUFFER_SIZE) + "b", "\n");
+
+        assertLines("", "\r\n");
+        assertLines("foo", "\r\n", "bar", "\r\n");
+        assertLines("foo", "\r\n", "bar", null);
+        assertLines("", "\r\n", "", "\r\n");
+        assertLines(repeat("a", CHAR_BUFFER_SIZE - 2), "\r\n");
+        assertLines(repeat("a", CHAR_BUFFER_SIZE - 1), "\r\n");
+        assertLines(repeat("a", CHAR_BUFFER_SIZE), "\r\n");
+        assertLines(repeat("a", CHAR_BUFFER_SIZE) + "b", "\r\n");
+
+        assertLines("", "\r");
+        assertLines("foo", "\r", "bar", "\r");
+        assertLines("foo", "\r", "bar", null);
+        assertLines("", "\r", "", "\r");
+        assertLines(repeat("a", CHAR_BUFFER_SIZE - 1), "\r");
+        assertLines(repeat("a", CHAR_BUFFER_SIZE), "\r");
+        assertLines(repeat("a", CHAR_BUFFER_SIZE) + "b", "\r");
+
+        assertLines("", "\n", "", "\r", "", "\r\n", "", "\n");
+        assertLines("what", "\r", "are", "\r", "", "\r", "you", "\r\n", "", "\r\n", "even", "\n", "doing", null);
+    }
+
+    @Test
+    public void testClose() throws IOException {
+        var reader = new InputStreamReader(new ByteArrayInputStream("test".getBytes(StandardCharsets.UTF_8)));
+        var lineReader = new LineReader(reader);
+        lineReader.close();
+        lineReader.close();
+        try {
+            reader.read();
+            fail("Expected read to throw after closing reader");
+        } catch (IOException e) {
+            // Expected
+        }
+    }
+
+    private void assertLines(String... s) throws IOException {
+        assertTrue("Expected parts needs to be even (pairs of content and terminator)", s.length % 2 == 0);
+        var input = Arrays.stream(s).filter(Objects::nonNull).collect(joining(""));
+
+        assertLines(new StringReader(input), s);
+        assertLines(new SlowStringReader(input), s);
+    }
+
+    private static void assertLines(Reader reader, String... expectedParts) throws IOException {
+        try (var lineReader = new LineReader(reader)) {
+            var lines = new ArrayList<>();
+            String line;
+            while ((line = lineReader.readLine()) != null) {
+                lines.add(line);
+                lines.add(lineReader.getLineTerminator());
+            }
+            assertNull(lineReader.getLineTerminator());
+            assertEquals(Arrays.asList(expectedParts), lines);
+        }
+    }
+
+    private static String repeat(String s, int count) {
+        StringBuilder sb = new StringBuilder(s.length() * count);
+        for (int i = 0; i < count; i++) {
+            sb.append(s);
+        }
+        return sb.toString();
+    }
+
+    /**
+     * Reader that only reads 0 or 1 chars at a time to test the corner cases.
+     */
+    private static class SlowStringReader extends Reader {
+
+        private final String s;
+        private int position = 0;
+        private boolean empty = false;
+
+        private SlowStringReader(String s) {
+            this.s = s;
+        }
+
+        @Override
+        public int read(char[] cbuf, int off, int len) throws IOException {
+            Objects.checkFromIndexSize(off, len, cbuf.length);
+            if (len == 0) {
+                return 0;
+            }
+            empty = !empty;
+            if (empty) {
+                // Return 0 every other time to test handling of 0.
+                return 0;
+            }
+            if (position >= s.length()) {
+                return -1;
+            }
+            cbuf[off] = s.charAt(position++);
+            return 1;
+        }
+
+        @Override
+        public void close() throws IOException {
+        }
+    }
+}

From a6b3daa6665355490a0655f84d5118c9db9e33cb Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 16 Oct 2024 22:29:01 +1100
Subject: [PATCH 351/450] Also include "input index" in SourceSpan

The existing line/column indexes in `SourceSpan` are useful for some cases,
e.g. editors that are line based. But for other cases, it's useful to be able
to get the index within the original input string.

An example: If the input string is "foo\n\nbar", the "bar" paragraph has
the following `SourceSpan`: line 2 (third line), column 0, length 3.
With this change, now it also includes the input index: 5 ("b" is the character
at index 5 in the string). That means it's possible to use e.g. `substring`
instead of having to split the input text into lines first.
---
 .../internal/AutolinkPostProcessor.java       |   3 +-
 .../commonmark/ext/autolink/AutolinkTest.java |  14 +-
 .../ext/footnotes/FootnotesTest.java          |   4 +-
 .../gfm/strikethrough/StrikethroughTest.java  |   2 +-
 .../commonmark/ext/gfm/tables/TablesTest.java |  40 +--
 .../image/attributes/ImageAttributesTest.java |   2 +-
 .../java/org/commonmark/ext/ins/InsTest.java  |   2 +-
 .../commonmark/internal/DocumentParser.java   |  40 +--
 .../java/org/commonmark/node/SourceSpan.java  |  70 +++-
 .../java/org/commonmark/node/SourceSpans.java |   4 +-
 .../org/commonmark/parser/SourceLine.java     |   5 +-
 .../org/commonmark/parser/beta/Scanner.java   |   2 +-
 .../commonmark/parser/beta/ScannerTest.java   |  28 +-
 .../org/commonmark/test/SourceLineTest.java   |  20 +-
 .../commonmark/test/SourceSpanRenderer.java   |  70 ++--
 .../org/commonmark/test/SourceSpanTest.java   |  63 ++++
 .../org/commonmark/test/SourceSpansTest.java  | 318 ++++++++++--------
 17 files changed, 425 insertions(+), 262 deletions(-)
 create mode 100644 commonmark/src/test/java/org/commonmark/test/SourceSpanTest.java

diff --git a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
index e00692158..ee8847911 100644
--- a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
+++ b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
@@ -61,8 +61,7 @@ private static Text createTextNode(String literal, Span span, SourceSpan sourceS
         String text = literal.substring(beginIndex, endIndex);
         Text textNode = new Text(text);
         if (sourceSpan != null) {
-            int length = endIndex - beginIndex;
-            textNode.addSourceSpan(SourceSpan.of(sourceSpan.getLineIndex(), beginIndex, length));
+            textNode.addSourceSpan(sourceSpan.subSpan(beginIndex, endIndex));
         }
         return textNode;
     }
diff --git a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
index 6c4c18d0a..67fd69abe 100644
--- a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
+++ b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
@@ -71,43 +71,43 @@ public void sourceSpans() {
 
         Paragraph paragraph = (Paragraph) document.getFirstChild();
         Text abc = (Text) paragraph.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 3)),
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 3)),
                 abc.getSourceSpans());
 
         assertTrue(abc.getNext() instanceof SoftLineBreak);
 
         Link one = (Link) abc.getNext().getNext();
         assertEquals("http://example.com/one", one.getDestination());
-        assertEquals(List.of(SourceSpan.of(1, 0, 22)),
+        assertEquals(List.of(SourceSpan.of(1, 0, 4, 22)),
                 one.getSourceSpans());
 
         assertTrue(one.getNext() instanceof SoftLineBreak);
 
         Text def = (Text) one.getNext().getNext();
         assertEquals("def ", def.getLiteral());
-        assertEquals(List.of(SourceSpan.of(2, 0, 4)),
+        assertEquals(List.of(SourceSpan.of(2, 0, 27, 4)),
                 def.getSourceSpans());
 
         Link two = (Link) def.getNext();
         assertEquals("http://example.com/two", two.getDestination());
-        assertEquals(List.of(SourceSpan.of(2, 4, 22)),
+        assertEquals(List.of(SourceSpan.of(2, 4, 31, 22)),
                 two.getSourceSpans());
 
         assertTrue(two.getNext() instanceof SoftLineBreak);
 
         Text ghi = (Text) two.getNext().getNext();
         assertEquals("ghi ", ghi.getLiteral());
-        assertEquals(List.of(SourceSpan.of(3, 0, 4)),
+        assertEquals(List.of(SourceSpan.of(3, 0, 54, 4)),
                 ghi.getSourceSpans());
 
         Link three = (Link) ghi.getNext();
         assertEquals("http://example.com/three", three.getDestination());
-        assertEquals(List.of(SourceSpan.of(3, 4, 24)),
+        assertEquals(List.of(SourceSpan.of(3, 4, 58, 24)),
                 three.getSourceSpans());
 
         Text jkl = (Text) three.getNext();
         assertEquals(" jkl", jkl.getLiteral());
-        assertEquals(List.of(SourceSpan.of(3, 28, 4)),
+        assertEquals(List.of(SourceSpan.of(3, 28, 82, 4)),
                 jkl.getSourceSpans());
     }
 
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 9090623cb..bef6d89cb 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -287,10 +287,10 @@ public void testSourcePositions() {
 
         var doc = parser.parse("Test [^foo]\n\n[^foo]: /url\n");
         var ref = find(doc, FootnoteReference.class);
-        assertEquals(ref.getSourceSpans(), List.of(SourceSpan.of(0, 5, 6)));
+        assertEquals(ref.getSourceSpans(), List.of(SourceSpan.of(0, 5, 5, 6)));
 
         var def = find(doc, FootnoteDefinition.class);
-        assertEquals(def.getSourceSpans(), List.of(SourceSpan.of(2, 0, 12)));
+        assertEquals(def.getSourceSpans(), List.of(SourceSpan.of(2, 0, 13, 12)));
     }
 
     private static <T> T find(Node parent, Class<T> nodeClass) {
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
index de0a347f9..cb3019957 100644
--- a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
@@ -117,7 +117,7 @@ public void sourceSpans() {
         Node document = parser.parse("hey ~~there~~\n");
         Paragraph block = (Paragraph) document.getFirstChild();
         Node strikethrough = block.getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 4, 9)),
+        assertEquals(List.of(SourceSpan.of(0, 4, 4, 9)),
                 strikethrough.getSourceSpans());
     }
 
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index c2a8031d6..415a17815 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -791,45 +791,45 @@ public void sourceSpans() {
         Node document = parser.parse("Abc|Def\n---|---\n|1|2\n 3|four|\n|||\n");
 
         TableBlock block = (TableBlock) document.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 7),
-                        SourceSpan.of(2, 0, 4), SourceSpan.of(3, 0, 8), SourceSpan.of(4, 0, 3)),
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 7), SourceSpan.of(1, 0, 8, 7),
+                        SourceSpan.of(2, 0, 16, 4), SourceSpan.of(3, 0, 21, 8), SourceSpan.of(4, 0, 30, 3)),
                 block.getSourceSpans());
 
         TableHead head = (TableHead) block.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 7)), head.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 7)), head.getSourceSpans());
 
         TableRow headRow = (TableRow) head.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 7)), headRow.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 7)), headRow.getSourceSpans());
         TableCell headRowCell1 = (TableCell) headRow.getFirstChild();
         TableCell headRowCell2 = (TableCell) headRow.getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 3)), headRowCell1.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(0, 0, 3)), headRowCell1.getFirstChild().getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(0, 4, 3)), headRowCell2.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(0, 4, 3)), headRowCell2.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 3)), headRowCell1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 3)), headRowCell1.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 4, 4, 3)), headRowCell2.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 4, 4, 3)), headRowCell2.getFirstChild().getSourceSpans());
 
         TableBody body = (TableBody) block.getLastChild();
-        assertEquals(List.of(SourceSpan.of(2, 0, 4), SourceSpan.of(3, 0, 8), SourceSpan.of(4, 0, 3)), body.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 0, 16, 4), SourceSpan.of(3, 0, 21, 8), SourceSpan.of(4, 0, 30, 3)), body.getSourceSpans());
 
         TableRow bodyRow1 = (TableRow) body.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(2, 0, 4)), bodyRow1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 0, 16, 4)), bodyRow1.getSourceSpans());
         TableCell bodyRow1Cell1 = (TableCell) bodyRow1.getFirstChild();
         TableCell bodyRow1Cell2 = (TableCell) bodyRow1.getLastChild();
-        assertEquals(List.of(SourceSpan.of(2, 1, 1)), bodyRow1Cell1.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(2, 1, 1)), bodyRow1Cell1.getFirstChild().getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(2, 3, 1)), bodyRow1Cell2.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(2, 3, 1)), bodyRow1Cell2.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 1, 17, 1)), bodyRow1Cell1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 1, 17, 1)), bodyRow1Cell1.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 3, 19, 1)), bodyRow1Cell2.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(2, 3, 19, 1)), bodyRow1Cell2.getFirstChild().getSourceSpans());
 
         TableRow bodyRow2 = (TableRow) body.getFirstChild().getNext();
-        assertEquals(List.of(SourceSpan.of(3, 0, 8)), bodyRow2.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 0, 21, 8)), bodyRow2.getSourceSpans());
         TableCell bodyRow2Cell1 = (TableCell) bodyRow2.getFirstChild();
         TableCell bodyRow2Cell2 = (TableCell) bodyRow2.getLastChild();
-        assertEquals(List.of(SourceSpan.of(3, 1, 1)), bodyRow2Cell1.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(3, 1, 1)), bodyRow2Cell1.getFirstChild().getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(3, 3, 4)), bodyRow2Cell2.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 1, 22, 1)), bodyRow2Cell1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 1, 22, 1)), bodyRow2Cell1.getFirstChild().getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 3, 24, 4)), bodyRow2Cell2.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 3, 24, 4)), bodyRow2Cell2.getFirstChild().getSourceSpans());
 
         TableRow bodyRow3 = (TableRow) body.getLastChild();
-        assertEquals(List.of(SourceSpan.of(4, 0, 3)), bodyRow3.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(4, 0, 30, 3)), bodyRow3.getSourceSpans());
         TableCell bodyRow3Cell1 = (TableCell) bodyRow3.getFirstChild();
         TableCell bodyRow3Cell2 = (TableCell) bodyRow3.getLastChild();
         assertEquals(List.of(), bodyRow3Cell1.getSourceSpans());
diff --git a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
index 112bf53d3..b863bd4b7 100644
--- a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
+++ b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
@@ -131,7 +131,7 @@ public void sourceSpans() {
         Node document = parser.parse("x{height=3 width=4}\n");
         Paragraph block = (Paragraph) document.getFirstChild();
         Node text = block.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 19)),
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 19)),
                 text.getSourceSpans());
     }
 
diff --git a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
index 0fd8d512a..4603da60b 100644
--- a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
+++ b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
@@ -102,7 +102,7 @@ public void sourceSpans() {
         Node document = parser.parse("hey ++there++\n");
         Paragraph block = (Paragraph) document.getFirstChild();
         Node ins = block.getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 4, 9)),
+        assertEquals(List.of(SourceSpan.of(0, 4, 4, 9)),
                 ins.getSourceSpans());
     }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index d3f6f6811..7fd2d4300 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -1,5 +1,6 @@
 package org.commonmark.internal;
 
+import org.commonmark.internal.util.LineReader;
 import org.commonmark.internal.util.Parsing;
 import org.commonmark.node.*;
 import org.commonmark.parser.IncludeSourceSpans;
@@ -127,7 +128,7 @@ public Document parse(String input) {
         int lineBreak;
         while ((lineBreak = Characters.findLineBreak(input, lineStart)) != -1) {
             String line = input.substring(lineStart, lineBreak);
-            parseLine(line);
+            parseLine(line, lineStart);
             if (lineBreak + 1 < input.length() && input.charAt(lineBreak) == '\r' && input.charAt(lineBreak + 1) == '\n') {
                 lineStart = lineBreak + 2;
             } else {
@@ -136,23 +137,23 @@ public Document parse(String input) {
         }
         if (!input.isEmpty() && (lineStart == 0 || lineStart < input.length())) {
             String line = input.substring(lineStart);
-            parseLine(line);
+            parseLine(line, lineStart);
         }
 
         return finalizeAndProcess();
     }
 
     public Document parse(Reader input) throws IOException {
-        BufferedReader bufferedReader;
-        if (input instanceof BufferedReader) {
-            bufferedReader = (BufferedReader) input;
-        } else {
-            bufferedReader = new BufferedReader(input);
-        }
-
+        var lineReader = new LineReader(input);
+        int inputIndex = 0;
         String line;
-        while ((line = bufferedReader.readLine()) != null) {
-            parseLine(line);
+        while ((line = lineReader.readLine()) != null) {
+            parseLine(line, inputIndex);
+            inputIndex += line.length();
+            var eol = lineReader.getLineTerminator();
+            if (eol != null) {
+                inputIndex += eol.length();
+            }
         }
 
         return finalizeAndProcess();
@@ -197,8 +198,8 @@ public BlockParser getActiveBlockParser() {
      * Analyze a line of text and update the document appropriately. We parse markdown text by calling this on each
      * line of input, then finalizing the document.
      */
-    private void parseLine(String ln) {
-        setLine(ln);
+    private void parseLine(String ln, int inputIndex) {
+        setLine(ln, inputIndex);
 
         // For each containing block, try to parse the associated line start.
         // The document will always match, so we can skip the first block parser and start at 1 matches
@@ -322,7 +323,7 @@ private void parseLine(String ln) {
         }
     }
 
-    private void setLine(String ln) {
+    private void setLine(String ln, int inputIndex) {
         lineIndex++;
         index = 0;
         column = 0;
@@ -331,7 +332,7 @@ private void setLine(String ln) {
         String lineContent = prepareLine(ln);
         SourceSpan sourceSpan = null;
         if (includeSourceSpans != IncludeSourceSpans.NONE) {
-            sourceSpan = SourceSpan.of(lineIndex, 0, lineContent.length());
+            sourceSpan = SourceSpan.of(lineIndex, 0, inputIndex, lineContent.length());
         }
         this.line = SourceLine.of(lineContent, sourceSpan);
     }
@@ -430,10 +431,9 @@ private void addLine() {
             content = line.getContent().subSequence(index, line.getContent().length());
         }
         SourceSpan sourceSpan = null;
-        if (includeSourceSpans == IncludeSourceSpans.BLOCKS_AND_INLINES) {
-            // Note that if we're in a partially-consumed tab, the length here corresponds to the content but not to the
-            // actual source length. That sounds like a problem, but I haven't found a test case where it matters (yet).
-            sourceSpan = SourceSpan.of(lineIndex, index, content.length());
+        if (includeSourceSpans == IncludeSourceSpans.BLOCKS_AND_INLINES && index < line.getSourceSpan().getLength()) {
+            // Note that if we're in a partially-consumed tab the length of the source span and the content don't match.
+            sourceSpan = line.getSourceSpan().subSpan(index);
         }
         getActiveBlockParser().addLine(SourceLine.of(content, sourceSpan));
         addSourceSpans();
@@ -449,7 +449,7 @@ private void addSourceSpans() {
                 int blockIndex = Math.min(openBlockParser.sourceIndex, index);
                 int length = line.getContent().length() - blockIndex;
                 if (length != 0) {
-                    openBlockParser.blockParser.addSourceSpan(SourceSpan.of(lineIndex, blockIndex, length));
+                    openBlockParser.blockParser.addSourceSpan(line.getSourceSpan().subSpan(blockIndex));
                 }
             }
         }
diff --git a/commonmark/src/main/java/org/commonmark/node/SourceSpan.java b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
index f7dbabc27..6558cc84a 100644
--- a/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
+++ b/commonmark/src/main/java/org/commonmark/node/SourceSpan.java
@@ -27,32 +27,64 @@ public class SourceSpan {
 
     private final int lineIndex;
     private final int columnIndex;
+    private final int inputIndex;
     private final int length;
 
+    public static SourceSpan of(int line, int col, int input, int length) {
+        return new SourceSpan(line, col, input, length);
+    }
+
+    /**
+     * @deprecated Use {{@link #of(int, int, int, int)}} instead to also specify input index. Using the deprecated one
+     * will set {@link #inputIndex} to 0.
+     */
+    @Deprecated
     public static SourceSpan of(int lineIndex, int columnIndex, int length) {
-        return new SourceSpan(lineIndex, columnIndex, length);
+        return of(lineIndex, columnIndex, 0, length);
     }
 
-    private SourceSpan(int lineIndex, int columnIndex, int length) {
+    private SourceSpan(int lineIndex, int columnIndex, int inputIndex, int length) {
+        if (lineIndex < 0) {
+            throw new IllegalArgumentException("lineIndex " + lineIndex + " must be >= 0");
+        }
+        if (columnIndex < 0) {
+            throw new IllegalArgumentException("columnIndex " + columnIndex + " must be >= 0");
+        }
+        if (inputIndex < 0) {
+            throw new IllegalArgumentException("inputIndex " + inputIndex + " must be >= 0");
+        }
+        if (length < 0) {
+            throw new IllegalArgumentException("length " + length + " must be >= 0");
+        }
         this.lineIndex = lineIndex;
         this.columnIndex = columnIndex;
+        this.inputIndex = inputIndex;
         this.length = length;
     }
 
     /**
-     * @return 0-based index of line in source
+     * @return 0-based line index, e.g. 0 for first line, 1 for the second line, etc
      */
     public int getLineIndex() {
         return lineIndex;
     }
 
     /**
-     * @return 0-based index of column (character on line) in source
+     * @return 0-based index of column (character on line) in source, e.g. 0 for the first character of a line, 1 for
+     * the second character, etc
      */
     public int getColumnIndex() {
         return columnIndex;
     }
 
+    /**
+     * @return 0-based index in whole input
+     * @since 0.24.0
+     */
+    public int getInputIndex() {
+        return inputIndex;
+    }
+
     /**
      * @return length of the span in characters
      */
@@ -60,6 +92,32 @@ public int getLength() {
         return length;
     }
 
+    public SourceSpan subSpan(int beginIndex) {
+        return subSpan(beginIndex, length);
+    }
+
+    public SourceSpan subSpan(int beginIndex, int endIndex) {
+        if (beginIndex < 0) {
+            throw new IndexOutOfBoundsException("beginIndex " + beginIndex + " + must be >= 0");
+        }
+        if (beginIndex > length) {
+            throw new IndexOutOfBoundsException("beginIndex " + beginIndex + " must be <= length " + length);
+        }
+        if (endIndex < 0) {
+            throw new IndexOutOfBoundsException("endIndex " + endIndex + " + must be >= 0");
+        }
+        if (endIndex > length) {
+            throw new IndexOutOfBoundsException("endIndex " + endIndex + " must be <= length " + length);
+        }
+        if (beginIndex > endIndex) {
+            throw new IndexOutOfBoundsException("beginIndex " + beginIndex + " must be <= endIndex " + endIndex);
+        }
+        if (beginIndex == 0 && endIndex == length) {
+            return this;
+        }
+        return new SourceSpan(lineIndex, columnIndex + beginIndex, inputIndex + beginIndex, endIndex - beginIndex);
+    }
+
     @Override
     public boolean equals(Object o) {
         if (this == o) {
@@ -71,12 +129,13 @@ public boolean equals(Object o) {
         SourceSpan that = (SourceSpan) o;
         return lineIndex == that.lineIndex &&
                 columnIndex == that.columnIndex &&
+                inputIndex == that.inputIndex &&
                 length == that.length;
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(lineIndex, columnIndex, length);
+        return Objects.hash(lineIndex, columnIndex, inputIndex, length);
     }
 
     @Override
@@ -84,6 +143,7 @@ public String toString() {
         return "SourceSpan{" +
                 "line=" + lineIndex +
                 ", column=" + columnIndex +
+                ", input=" + inputIndex +
                 ", length=" + length +
                 "}";
     }
diff --git a/commonmark/src/main/java/org/commonmark/node/SourceSpans.java b/commonmark/src/main/java/org/commonmark/node/SourceSpans.java
index 5118dea75..975d7fbdb 100644
--- a/commonmark/src/main/java/org/commonmark/node/SourceSpans.java
+++ b/commonmark/src/main/java/org/commonmark/node/SourceSpans.java
@@ -41,8 +41,8 @@ public void addAll(List<SourceSpan> other) {
             int lastIndex = sourceSpans.size() - 1;
             SourceSpan a = sourceSpans.get(lastIndex);
             SourceSpan b = other.get(0);
-            if (a.getLineIndex() == b.getLineIndex() && a.getColumnIndex() + a.getLength() == b.getColumnIndex()) {
-                sourceSpans.set(lastIndex, SourceSpan.of(a.getLineIndex(), a.getColumnIndex(), a.getLength() + b.getLength()));
+            if (a.getInputIndex() + a.getLength() == b.getInputIndex()) {
+                sourceSpans.set(lastIndex, SourceSpan.of(a.getLineIndex(), a.getColumnIndex(), a.getInputIndex(), a.getLength() + b.getLength()));
                 sourceSpans.addAll(other.subList(1, other.size()));
             } else {
                 sourceSpans.addAll(other);
diff --git a/commonmark/src/main/java/org/commonmark/parser/SourceLine.java b/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
index d73b14ce2..92a8cdfaf 100644
--- a/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
+++ b/commonmark/src/main/java/org/commonmark/parser/SourceLine.java
@@ -35,10 +35,11 @@ public SourceLine substring(int beginIndex, int endIndex) {
         CharSequence newContent = content.subSequence(beginIndex, endIndex);
         SourceSpan newSourceSpan = null;
         if (sourceSpan != null) {
-            int columnIndex = sourceSpan.getColumnIndex() + beginIndex;
             int length = endIndex - beginIndex;
             if (length != 0) {
-                newSourceSpan = SourceSpan.of(sourceSpan.getLineIndex(), columnIndex, length);
+                int columnIndex = sourceSpan.getColumnIndex() + beginIndex;
+                int inputIndex = sourceSpan.getInputIndex() + beginIndex;
+                newSourceSpan = SourceSpan.of(sourceSpan.getLineIndex(), columnIndex, inputIndex, length);
             }
         }
         return SourceLine.of(newContent, newSourceSpan);
diff --git a/commonmark/src/main/java/org/commonmark/parser/beta/Scanner.java b/commonmark/src/main/java/org/commonmark/parser/beta/Scanner.java
index 482f8eb2a..324639493 100644
--- a/commonmark/src/main/java/org/commonmark/parser/beta/Scanner.java
+++ b/commonmark/src/main/java/org/commonmark/parser/beta/Scanner.java
@@ -244,7 +244,7 @@ public SourceLines getSource(Position begin, Position end) {
             SourceSpan newSourceSpan = null;
             SourceSpan sourceSpan = line.getSourceSpan();
             if (sourceSpan != null) {
-                newSourceSpan = SourceSpan.of(sourceSpan.getLineIndex(), sourceSpan.getColumnIndex() + begin.index, newContent.length());
+                newSourceSpan = sourceSpan.subSpan(begin.index, end.index);
             }
             return SourceLines.of(SourceLine.of(newContent, newSourceSpan));
         } else {
diff --git a/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java b/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
index df8c51758..14c118ab9 100644
--- a/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
+++ b/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
@@ -85,8 +85,8 @@ public void testCodePoints() {
     @Test
     public void testTextBetween() {
         Scanner scanner = new Scanner(List.of(
-                SourceLine.of("ab", SourceSpan.of(10, 3, 2)),
-                SourceLine.of("cde", SourceSpan.of(11, 4, 3))),
+                SourceLine.of("ab", SourceSpan.of(10, 3, 13, 2)),
+                SourceLine.of("cde", SourceSpan.of(11, 4, 20, 3))),
                 0, 0);
 
         Position start = scanner.position();
@@ -94,48 +94,48 @@ public void testTextBetween() {
         scanner.next();
         assertSourceLines(scanner.getSource(start, scanner.position()),
                 "a",
-                SourceSpan.of(10, 3, 1));
+                SourceSpan.of(10, 3, 13, 1));
 
         Position afterA = scanner.position();
 
         scanner.next();
         assertSourceLines(scanner.getSource(start, scanner.position()),
                 "ab",
-                SourceSpan.of(10, 3, 2));
+                SourceSpan.of(10, 3, 13, 2));
 
         Position afterB = scanner.position();
 
         scanner.next();
         assertSourceLines(scanner.getSource(start, scanner.position()),
                 "ab\n",
-                SourceSpan.of(10, 3, 2));
+                SourceSpan.of(10, 3, 13, 2));
 
         scanner.next();
         assertSourceLines(scanner.getSource(start, scanner.position()),
                 "ab\nc",
-                SourceSpan.of(10, 3, 2),
-                SourceSpan.of(11, 4, 1));
+                SourceSpan.of(10, 3, 13, 2),
+                SourceSpan.of(11, 4, 20, 1));
 
         scanner.next();
         assertSourceLines(scanner.getSource(start, scanner.position()),
                 "ab\ncd",
-                SourceSpan.of(10, 3, 2),
-                SourceSpan.of(11, 4, 2));
+                SourceSpan.of(10, 3, 13, 2),
+                SourceSpan.of(11, 4, 20, 2));
 
         scanner.next();
         assertSourceLines(scanner.getSource(start, scanner.position()),
                 "ab\ncde",
-                SourceSpan.of(10, 3, 2),
-                SourceSpan.of(11, 4, 3));
+                SourceSpan.of(10, 3, 13, 2),
+                SourceSpan.of(11, 4, 20, 3));
 
         assertSourceLines(scanner.getSource(afterA, scanner.position()),
                 "b\ncde",
-                SourceSpan.of(10, 4, 1),
-                SourceSpan.of(11, 4, 3));
+                SourceSpan.of(10, 4, 14, 1),
+                SourceSpan.of(11, 4, 20, 3));
 
         assertSourceLines(scanner.getSource(afterB, scanner.position()),
                 "\ncde",
-                SourceSpan.of(11, 4, 3));
+                SourceSpan.of(11, 4, 20, 3));
     }
 
     private void assertSourceLines(SourceLines sourceLines, String expectedContent, SourceSpan... expectedSourceSpans) {
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceLineTest.java b/commonmark/src/test/java/org/commonmark/test/SourceLineTest.java
index aa330fbc9..3fb95d386 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceLineTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceLineTest.java
@@ -10,29 +10,29 @@ public class SourceLineTest {
 
     @Test
     public void testSubstring() {
-        SourceLine line = SourceLine.of("abcd", SourceSpan.of(3, 10, 4));
+        SourceLine line = SourceLine.of("abcd", SourceSpan.of(3, 10, 13, 4));
 
-        assertSourceLine(line.substring(0, 4), "abcd", SourceSpan.of(3, 10, 4));
-        assertSourceLine(line.substring(0, 3), "abc", SourceSpan.of(3, 10, 3));
-        assertSourceLine(line.substring(0, 2), "ab", SourceSpan.of(3, 10, 2));
-        assertSourceLine(line.substring(0, 1), "a", SourceSpan.of(3, 10, 1));
+        assertSourceLine(line.substring(0, 4), "abcd", SourceSpan.of(3, 10, 13, 4));
+        assertSourceLine(line.substring(0, 3), "abc", SourceSpan.of(3, 10, 13, 3));
+        assertSourceLine(line.substring(0, 2), "ab", SourceSpan.of(3, 10, 13, 2));
+        assertSourceLine(line.substring(0, 1), "a", SourceSpan.of(3, 10, 13, 1));
         assertSourceLine(line.substring(0, 0), "", null);
 
-        assertSourceLine(line.substring(1, 4), "bcd", SourceSpan.of(3, 11, 3));
-        assertSourceLine(line.substring(1, 3), "bc", SourceSpan.of(3, 11, 2));
+        assertSourceLine(line.substring(1, 4), "bcd", SourceSpan.of(3, 11, 14, 3));
+        assertSourceLine(line.substring(1, 3), "bc", SourceSpan.of(3, 11, 14, 2));
 
-        assertSourceLine(line.substring(3, 4), "d", SourceSpan.of(3, 13, 1));
+        assertSourceLine(line.substring(3, 4), "d", SourceSpan.of(3, 13, 16, 1));
         assertSourceLine(line.substring(4, 4), "", null);
     }
 
     @Test(expected = StringIndexOutOfBoundsException.class)
     public void testSubstringBeginOutOfBounds() {
-        SourceLine.of("abcd", SourceSpan.of(3, 10, 4)).substring(3, 2);
+        SourceLine.of("abcd", SourceSpan.of(3, 10, 13, 4)).substring(3, 2);
     }
 
     @Test(expected = StringIndexOutOfBoundsException.class)
     public void testSubstringEndOutOfBounds() {
-        SourceLine.of("abcd", SourceSpan.of(3, 10, 4)).substring(0, 5);
+        SourceLine.of("abcd", SourceSpan.of(3, 10, 13, 4)).substring(0, 5);
     }
 
     private static void assertSourceLine(SourceLine sourceLine, String expectedContent, SourceSpan expectedSourceSpan) {
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java b/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
index 1b76ed5bd..5181a36e7 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
@@ -4,17 +4,17 @@
 import org.commonmark.node.Node;
 import org.commonmark.node.SourceSpan;
 
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 
 public class SourceSpanRenderer {
 
-    public static String render(Node document, String source) {
+    /**
+     * Render source spans in the document using source position's line and column index.
+     */
+    public static String renderWithLineColumn(Node document, String source) {
         SourceSpanMarkersVisitor visitor = new SourceSpanMarkersVisitor();
         document.accept(visitor);
-        Map<Integer, Map<Integer, List<String>>> markers = visitor.getMarkers();
+        var lineColumnMarkers = visitor.getLineColumnMarkers();
 
         StringBuilder sb = new StringBuilder();
 
@@ -22,7 +22,7 @@ public static String render(Node document, String source) {
 
         for (int lineIndex = 0; lineIndex < lines.length; lineIndex++) {
             String line = lines[lineIndex];
-            Map<Integer, List<String>> lineMarkers = markers.get(lineIndex);
+            Map<Integer, List<String>> lineMarkers = lineColumnMarkers.get(lineIndex);
             for (int i = 0; i < line.length(); i++) {
                 appendMarkers(lineMarkers, i, sb);
                 sb.append(line.charAt(i));
@@ -34,6 +34,22 @@ public static String render(Node document, String source) {
         return sb.toString();
     }
 
+    /**
+     * Render source spans in the document using source position's input index.
+     */
+    public static String renderWithInputIndex(Node document, String source) {
+        SourceSpanMarkersVisitor visitor = new SourceSpanMarkersVisitor();
+        document.accept(visitor);
+        var markers = visitor.getInputIndexMarkers();
+
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < source.length(); i++) {
+            markers.getOrDefault(i, List.of()).forEach(marker -> sb.append(marker));
+            sb.append(source.charAt(i));
+        }
+        return sb.toString();
+    }
+
     private static void appendMarkers(Map<Integer, List<String>> lineMarkers, int columnIndex, StringBuilder sb) {
         if (lineMarkers != null) {
             List<String> columnMarkers = lineMarkers.get(columnIndex);
@@ -50,24 +66,35 @@ private static class SourceSpanMarkersVisitor extends AbstractVisitor {
         private static final String OPENING = "({[<⸢⸤";
         private static final String CLOSING = ")}]>⸣⸥";
 
-        private final Map<Integer, Map<Integer, List<String>>> markers = new HashMap<>();
+        private final Map<Integer, Map<Integer, List<String>>> lineColumnMarkers = new HashMap<>();
+        private final Map<Integer, List<String>> inputIndexMarkers = new HashMap<>();
 
         private int markerIndex;
 
-        public Map<Integer, Map<Integer, List<String>>> getMarkers() {
-            return markers;
+        public Map<Integer, Map<Integer, List<String>>> getLineColumnMarkers() {
+            return lineColumnMarkers;
+        }
+
+        public Map<Integer, List<String>> getInputIndexMarkers() {
+            return inputIndexMarkers;
         }
 
         @Override
         protected void visitChildren(Node parent) {
             if (!parent.getSourceSpans().isEmpty()) {
-                for (SourceSpan sourceSpan : parent.getSourceSpans()) {
+                for (var span : parent.getSourceSpans()) {
                     String opener = String.valueOf(OPENING.charAt(markerIndex % OPENING.length()));
                     String closer = String.valueOf(CLOSING.charAt(markerIndex % CLOSING.length()));
 
-                    int col = sourceSpan.getColumnIndex();
-                    getMarkers(sourceSpan.getLineIndex(), col).add(opener);
-                    getMarkers(sourceSpan.getLineIndex(), col + sourceSpan.getLength()).add(0, closer);
+                    int line = span.getLineIndex();
+                    int col = span.getColumnIndex();
+                    var input = span.getInputIndex();
+                    int length = span.getLength();
+                    getMarkers(line, col).add(opener);
+                    getMarkers(line, col + length).add(0, closer);
+
+                    inputIndexMarkers.computeIfAbsent(input, k -> new LinkedList<>()).add(opener);
+                    inputIndexMarkers.computeIfAbsent(input + length, k -> new LinkedList<>()).add(0, closer);
                 }
                 markerIndex++;
             }
@@ -75,19 +102,8 @@ protected void visitChildren(Node parent) {
         }
 
         private List<String> getMarkers(int lineIndex, int columnIndex) {
-            Map<Integer, List<String>> columnMap = markers.get(lineIndex);
-            if (columnMap == null) {
-                columnMap = new HashMap<>();
-                markers.put(lineIndex, columnMap);
-            }
-
-            List<String> markers = columnMap.get(columnIndex);
-            if (markers == null) {
-                markers = new LinkedList<>();
-                columnMap.put(columnIndex, markers);
-            }
-
-            return markers;
+            var columnMap = lineColumnMarkers.computeIfAbsent(lineIndex, k -> new HashMap<>());
+            return columnMap.computeIfAbsent(columnIndex, k -> new LinkedList<>());
         }
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpanTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpanTest.java
new file mode 100644
index 000000000..57048b90e
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpanTest.java
@@ -0,0 +1,63 @@
+package org.commonmark.test;
+
+import org.commonmark.node.SourceSpan;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertSame;
+
+public class SourceSpanTest {
+
+    @Test
+    public void testSubSpan() {
+        var span = SourceSpan.of(1, 2, 3, 5);
+
+        assertSame(span.subSpan(0), span);
+        assertSame(span.subSpan(0, 5), span);
+
+        assertEquals(SourceSpan.of(1, 3, 4, 4), span.subSpan(1));
+        assertEquals(SourceSpan.of(1, 4, 5, 3), span.subSpan(2));
+        assertEquals(SourceSpan.of(1, 5, 6, 2), span.subSpan(3));
+        assertEquals(SourceSpan.of(1, 6, 7, 1), span.subSpan(4));
+        // Not sure if empty spans are useful, but it probably makes sense to mirror how substrings work
+        assertEquals(SourceSpan.of(1, 7, 8, 0), span.subSpan(5));
+        assertEquals("", "abcde".substring(5));
+
+        assertEquals(SourceSpan.of(1, 2, 3, 5), span.subSpan(0, 5));
+        assertEquals(SourceSpan.of(1, 2, 3, 4), span.subSpan(0, 4));
+        assertEquals(SourceSpan.of(1, 2, 3, 3), span.subSpan(0, 3));
+        assertEquals(SourceSpan.of(1, 2, 3, 2), span.subSpan(0, 2));
+        assertEquals(SourceSpan.of(1, 2, 3, 1), span.subSpan(0, 1));
+        assertEquals(SourceSpan.of(1, 2, 3, 0), span.subSpan(0, 0));
+        assertEquals("a", "abcde".substring(0, 1));
+        assertEquals("", "abcde".substring(0, 0));
+
+        assertEquals(SourceSpan.of(1, 3, 4, 3), span.subSpan(1, 4));
+        assertEquals(SourceSpan.of(1, 4, 5, 1), span.subSpan(2, 3));
+    }
+
+    @Test(expected = IndexOutOfBoundsException.class)
+    public void testSubSpanBeginIndexNegative() {
+        SourceSpan.of(1, 2, 3, 5).subSpan(-1);
+    }
+
+    @Test(expected = IndexOutOfBoundsException.class)
+    public void testSubSpanBeginIndexOutOfBounds() {
+        SourceSpan.of(1, 2, 3, 5).subSpan(6);
+    }
+
+    @Test(expected = IndexOutOfBoundsException.class)
+    public void testSubSpanEndIndexNegative() {
+        SourceSpan.of(1, 2, 3, 5).subSpan(0, -1);
+    }
+
+    @Test(expected = IndexOutOfBoundsException.class)
+    public void testSubSpanEndIndexOutOfBounds() {
+        SourceSpan.of(1, 2, 3, 5).subSpan(0, 6);
+    }
+
+    @Test(expected = IndexOutOfBoundsException.class)
+    public void testSubSpanBeginIndexGreaterThanEndIndex() {
+        SourceSpan.of(1, 2, 3, 5).subSpan(2, 1);
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index eb7e8f005..23249d930 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -5,6 +5,8 @@
 import org.commonmark.parser.Parser;
 import org.junit.Test;
 
+import java.io.IOException;
+import java.io.StringReader;
 import java.util.ArrayDeque;
 import java.util.Deque;
 import java.util.List;
@@ -18,137 +20,135 @@ public class SourceSpansTest {
 
     @Test
     public void paragraph() {
-        assertSpans("foo\n", Paragraph.class, SourceSpan.of(0, 0, 3));
-        assertSpans("foo\nbar\n", Paragraph.class, SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3));
-        assertSpans("  foo\n  bar\n", Paragraph.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 5));
-        assertSpans("> foo\n> bar\n", Paragraph.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
-        assertSpans("* foo\n  bar\n", Paragraph.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
-        assertSpans("* foo\nbar\n", Paragraph.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 0, 3));
+        assertSpans("foo\n", Paragraph.class, SourceSpan.of(0, 0, 0, 3));
+        assertSpans("foo\nbar\n", Paragraph.class, SourceSpan.of(0, 0, 0, 3), SourceSpan.of(1, 0, 4, 3));
+        assertSpans("  foo\n  bar\n", Paragraph.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 5));
+        assertSpans("> foo\n> bar\n", Paragraph.class, SourceSpan.of(0, 2, 2, 3), SourceSpan.of(1, 2, 8, 3));
+        assertSpans("* foo\n  bar\n", Paragraph.class, SourceSpan.of(0, 2, 2, 3), SourceSpan.of(1, 2, 8, 3));
+        assertSpans("* foo\nbar\n", Paragraph.class, SourceSpan.of(0, 2, 2, 3), SourceSpan.of(1, 0, 6, 3));
     }
 
     @Test
     public void thematicBreak() {
-        assertSpans("---\n", ThematicBreak.class, SourceSpan.of(0, 0, 3));
-        assertSpans("  ---\n", ThematicBreak.class, SourceSpan.of(0, 0, 5));
-        assertSpans("> ---\n", ThematicBreak.class, SourceSpan.of(0, 2, 3));
+        assertSpans("---\n", ThematicBreak.class, SourceSpan.of(0, 0, 0, 3));
+        assertSpans("  ---\n", ThematicBreak.class, SourceSpan.of(0, 0, 0, 5));
+        assertSpans("> ---\n", ThematicBreak.class, SourceSpan.of(0, 2, 2, 3));
     }
 
     @Test
     public void atxHeading() {
-        assertSpans("# foo", Heading.class, SourceSpan.of(0, 0, 5));
-        assertSpans(" # foo", Heading.class, SourceSpan.of(0, 0, 6));
-        assertSpans("## foo ##", Heading.class, SourceSpan.of(0, 0, 9));
-        assertSpans("> # foo", Heading.class, SourceSpan.of(0, 2, 5));
+        assertSpans("# foo", Heading.class, SourceSpan.of(0, 0, 0, 5));
+        assertSpans(" # foo", Heading.class, SourceSpan.of(0, 0, 0, 6));
+        assertSpans("## foo ##", Heading.class, SourceSpan.of(0, 0, 0, 9));
+        assertSpans("> # foo", Heading.class, SourceSpan.of(0, 2, 2, 5));
     }
 
     @Test
     public void setextHeading() {
-        assertSpans("foo\n===\n", Heading.class, SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3));
-        assertSpans("foo\nbar\n====\n", Heading.class, SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 4));
-        assertSpans("  foo\n  ===\n", Heading.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 5));
-        assertSpans("> foo\n> ===\n", Heading.class, SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3));
+        assertSpans("foo\n===\n", Heading.class, SourceSpan.of(0, 0, 0, 3), SourceSpan.of(1, 0, 4, 3));
+        assertSpans("foo\nbar\n====\n", Heading.class, SourceSpan.of(0, 0, 0, 3), SourceSpan.of(1, 0, 4, 3), SourceSpan.of(2, 0, 8, 4));
+        assertSpans("  foo\n  ===\n", Heading.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 5));
+        assertSpans("> foo\n> ===\n", Heading.class, SourceSpan.of(0, 2, 2, 3), SourceSpan.of(1, 2, 8, 3));
     }
 
     @Test
     public void indentedCodeBlock() {
-        assertSpans("    foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 7));
-        assertSpans("     foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 8));
-        assertSpans("\tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 4));
-        assertSpans(" \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 5));
-        assertSpans("  \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 6));
-        assertSpans("   \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 7));
-        assertSpans("    \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 8));
-        assertSpans("    \t foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 9));
-        assertSpans("\t foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 5));
-        assertSpans("\t  foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 6));
-        assertSpans("    foo\n     bar\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 8));
-        assertSpans("    foo\n\tbar\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 4));
-        assertSpans("    foo\n    \n     \n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 4), SourceSpan.of(2, 0, 5));
-        assertSpans(">     foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 2, 7));
+        assertSpans("    foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 7));
+        assertSpans("     foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 8));
+        assertSpans("\tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 4));
+        assertSpans(" \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 5));
+        assertSpans("  \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 6));
+        assertSpans("   \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 7));
+        assertSpans("    \tfoo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 8));
+        assertSpans("    \t foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 9));
+        assertSpans("\t foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 5));
+        assertSpans("\t  foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 6));
+        assertSpans("    foo\n     bar\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 7), SourceSpan.of(1, 0, 8, 8));
+        assertSpans("    foo\n\tbar\n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 7), SourceSpan.of(1, 0, 8, 4));
+        assertSpans("    foo\n    \n     \n", IndentedCodeBlock.class, SourceSpan.of(0, 0, 0, 7), SourceSpan.of(1, 0, 8, 4), SourceSpan.of(2, 0, 13, 5));
+        assertSpans(">     foo\n", IndentedCodeBlock.class, SourceSpan.of(0, 2, 2, 7));
     }
 
     @Test
     public void fencedCodeBlock() {
         assertSpans("```\nfoo\n```\n", FencedCodeBlock.class,
-                SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
+                SourceSpan.of(0, 0, 0, 3), SourceSpan.of(1, 0, 4, 3), SourceSpan.of(2, 0, 8, 3));
         assertSpans("```\n foo\n```\n", FencedCodeBlock.class,
-                SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 4), SourceSpan.of(2, 0, 3));
+                SourceSpan.of(0, 0, 0, 3), SourceSpan.of(1, 0, 4, 4), SourceSpan.of(2, 0, 9, 3));
         assertSpans("```\nfoo\nbar\n```\n", FencedCodeBlock.class,
-                SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3), SourceSpan.of(3, 0, 3));
-        assertSpans("```\nfoo\nbar\n```\n", FencedCodeBlock.class,
-                SourceSpan.of(0, 0, 3), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3), SourceSpan.of(3, 0, 3));
+                SourceSpan.of(0, 0, 0, 3), SourceSpan.of(1, 0, 4, 3), SourceSpan.of(2, 0, 8, 3), SourceSpan.of(3, 0, 12, 3));
         assertSpans("   ```\n   foo\n   ```\n", FencedCodeBlock.class,
-                SourceSpan.of(0, 0, 6), SourceSpan.of(1, 0, 6), SourceSpan.of(2, 0, 6));
+                SourceSpan.of(0, 0, 0, 6), SourceSpan.of(1, 0, 7, 6), SourceSpan.of(2, 0, 14, 6));
         assertSpans(" ```\n foo\nfoo\n```\n", FencedCodeBlock.class,
-                SourceSpan.of(0, 0, 4), SourceSpan.of(1, 0, 4), SourceSpan.of(2, 0, 3), SourceSpan.of(3, 0, 3));
+                SourceSpan.of(0, 0, 0, 4), SourceSpan.of(1, 0, 5, 4), SourceSpan.of(2, 0, 10, 3), SourceSpan.of(3, 0, 14, 3));
         assertSpans("```info\nfoo\n```\n", FencedCodeBlock.class,
-                SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
+                SourceSpan.of(0, 0, 0, 7), SourceSpan.of(1, 0, 8, 3), SourceSpan.of(2, 0, 12, 3));
         assertSpans("* ```\n  foo\n  ```\n", FencedCodeBlock.class,
-                SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3), SourceSpan.of(2, 2, 3));
+                SourceSpan.of(0, 2, 2, 3), SourceSpan.of(1, 2, 8, 3), SourceSpan.of(2, 2, 14, 3));
         assertSpans("> ```\n> foo\n> ```\n", FencedCodeBlock.class,
-                SourceSpan.of(0, 2, 3), SourceSpan.of(1, 2, 3), SourceSpan.of(2, 2, 3));
+                SourceSpan.of(0, 2, 2, 3), SourceSpan.of(1, 2, 8, 3), SourceSpan.of(2, 2, 14, 3));
 
         Node document = PARSER.parse("```\nfoo\n```\nbar\n");
         Paragraph paragraph = (Paragraph) document.getLastChild();
-        assertEquals(List.of(SourceSpan.of(3, 0, 3)), paragraph.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(3, 0, 12, 3)), paragraph.getSourceSpans());
     }
 
     @Test
     public void htmlBlock() {
-        assertSpans("<div>\n", HtmlBlock.class, SourceSpan.of(0, 0, 5));
+        assertSpans("<div>\n", HtmlBlock.class, SourceSpan.of(0, 0, 0, 5));
         assertSpans(" <div>\n foo\n </div>\n", HtmlBlock.class,
-                SourceSpan.of(0, 0, 6),
-                SourceSpan.of(1, 0, 4),
-                SourceSpan.of(2, 0, 7));
-        assertSpans("* <div>\n", HtmlBlock.class, SourceSpan.of(0, 2, 5));
+                SourceSpan.of(0, 0, 0, 6),
+                SourceSpan.of(1, 0, 7, 4),
+                SourceSpan.of(2, 0, 12, 7));
+        assertSpans("* <div>\n", HtmlBlock.class, SourceSpan.of(0, 2, 2, 5));
     }
 
     @Test
     public void blockQuote() {
-        assertSpans(">foo\n", BlockQuote.class, SourceSpan.of(0, 0, 4));
-        assertSpans("> foo\n", BlockQuote.class, SourceSpan.of(0, 0, 5));
-        assertSpans(">  foo\n", BlockQuote.class, SourceSpan.of(0, 0, 6));
-        assertSpans(" > foo\n", BlockQuote.class, SourceSpan.of(0, 0, 6));
-        assertSpans("   > foo\n  > bar\n", BlockQuote.class, SourceSpan.of(0, 0, 8), SourceSpan.of(1, 0, 7));
+        assertSpans(">foo\n", BlockQuote.class, SourceSpan.of(0, 0, 0, 4));
+        assertSpans("> foo\n", BlockQuote.class, SourceSpan.of(0, 0, 0, 5));
+        assertSpans(">  foo\n", BlockQuote.class, SourceSpan.of(0, 0, 0, 6));
+        assertSpans(" > foo\n", BlockQuote.class, SourceSpan.of(0, 0, 0, 6));
+        assertSpans("   > foo\n  > bar\n", BlockQuote.class, SourceSpan.of(0, 0, 0, 8), SourceSpan.of(1, 0, 9, 7));
         // Lazy continuations
-        assertSpans("> foo\nbar\n", BlockQuote.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3));
-        assertSpans("> foo\nbar\n> baz\n", BlockQuote.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 5));
-        assertSpans("> > foo\nbar\n", BlockQuote.class, SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 3));
+        assertSpans("> foo\nbar\n", BlockQuote.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 3));
+        assertSpans("> foo\nbar\n> baz\n", BlockQuote.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 3), SourceSpan.of(2, 0, 10, 5));
+        assertSpans("> > foo\nbar\n", BlockQuote.class, SourceSpan.of(0, 0, 0, 7), SourceSpan.of(1, 0, 8, 3));
     }
 
     @Test
     public void listBlock() {
-        assertSpans("* foo\n", ListBlock.class, SourceSpan.of(0, 0, 5));
-        assertSpans("* foo\n  bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 5));
-        assertSpans("* foo\n* bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 5));
-        assertSpans("* foo\n  # bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 7));
-        assertSpans("* foo\n  * bar\n", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 7));
-        assertSpans("* foo\n> bar\n", ListBlock.class, SourceSpan.of(0, 0, 5));
-        assertSpans("> * foo\n", ListBlock.class, SourceSpan.of(0, 2, 5));
+        assertSpans("* foo\n", ListBlock.class, SourceSpan.of(0, 0, 0, 5));
+        assertSpans("* foo\n  bar\n", ListBlock.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 5));
+        assertSpans("* foo\n* bar\n", ListBlock.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 5));
+        assertSpans("* foo\n  # bar\n", ListBlock.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 7));
+        assertSpans("* foo\n  * bar\n", ListBlock.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 7));
+        assertSpans("* foo\n> bar\n", ListBlock.class, SourceSpan.of(0, 0, 0, 5));
+        assertSpans("> * foo\n", ListBlock.class, SourceSpan.of(0, 2, 2, 5));
 
         // Lazy continuations
-        assertSpans("* foo\nbar\nbaz", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
-        assertSpans("* foo\nbar\n* baz", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 5));
-        assertSpans("* foo\n  * bar\nbaz", ListBlock.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 7), SourceSpan.of(2, 0, 3));
+        assertSpans("* foo\nbar\nbaz", ListBlock.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 3), SourceSpan.of(2, 0, 10, 3));
+        assertSpans("* foo\nbar\n* baz", ListBlock.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 3), SourceSpan.of(2, 0, 10, 5));
+        assertSpans("* foo\n  * bar\nbaz", ListBlock.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 7), SourceSpan.of(2, 0, 14, 3));
 
         Node document = PARSER.parse("* foo\n  * bar\n");
         ListBlock listBlock = (ListBlock) document.getFirstChild().getFirstChild().getLastChild();
-        assertEquals(List.of(SourceSpan.of(1, 2, 5)), listBlock.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 2, 8, 5)), listBlock.getSourceSpans());
     }
 
     @Test
     public void listItem() {
-        assertSpans("* foo\n", ListItem.class, SourceSpan.of(0, 0, 5));
-        assertSpans(" * foo\n", ListItem.class, SourceSpan.of(0, 0, 6));
-        assertSpans("  * foo\n", ListItem.class, SourceSpan.of(0, 0, 7));
-        assertSpans("   * foo\n", ListItem.class, SourceSpan.of(0, 0, 8));
-        assertSpans("*\n  foo\n", ListItem.class, SourceSpan.of(0, 0, 1), SourceSpan.of(1, 0, 5));
-        assertSpans("*\n  foo\n  bar\n", ListItem.class, SourceSpan.of(0, 0, 1), SourceSpan.of(1, 0, 5), SourceSpan.of(2, 0, 5));
-        assertSpans("> * foo\n", ListItem.class, SourceSpan.of(0, 2, 5));
+        assertSpans("* foo\n", ListItem.class, SourceSpan.of(0, 0, 0, 5));
+        assertSpans(" * foo\n", ListItem.class, SourceSpan.of(0, 0, 0, 6));
+        assertSpans("  * foo\n", ListItem.class, SourceSpan.of(0, 0, 0, 7));
+        assertSpans("   * foo\n", ListItem.class, SourceSpan.of(0, 0, 0, 8));
+        assertSpans("*\n  foo\n", ListItem.class, SourceSpan.of(0, 0, 0, 1), SourceSpan.of(1, 0, 2, 5));
+        assertSpans("*\n  foo\n  bar\n", ListItem.class, SourceSpan.of(0, 0, 0, 1), SourceSpan.of(1, 0, 2, 5), SourceSpan.of(2, 0, 8, 5));
+        assertSpans("> * foo\n", ListItem.class, SourceSpan.of(0, 2, 2, 5));
 
         // Lazy continuations
-        assertSpans("* foo\nbar\n", ListItem.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3));
-        assertSpans("* foo\nbar\nbaz\n", ListItem.class, SourceSpan.of(0, 0, 5), SourceSpan.of(1, 0, 3), SourceSpan.of(2, 0, 3));
+        assertSpans("* foo\nbar\n", ListItem.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 3));
+        assertSpans("* foo\nbar\nbaz\n", ListItem.class, SourceSpan.of(0, 0, 0, 5), SourceSpan.of(1, 0, 6, 3), SourceSpan.of(2, 0, 10, 3));
     }
 
     @Test
@@ -158,10 +158,10 @@ public void linkReferenceDefinition() {
         Node document = PARSER.parse("[foo]: /url\ntext\n");
 
         LinkReferenceDefinition linkReferenceDefinition = (LinkReferenceDefinition) document.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 11)), linkReferenceDefinition.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 11)), linkReferenceDefinition.getSourceSpans());
 
         Paragraph paragraph = (Paragraph) document.getLastChild();
-        assertEquals(List.of(SourceSpan.of(1, 0, 4)), paragraph.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 0, 12, 4)), paragraph.getSourceSpans());
     }
 
     @Test
@@ -169,8 +169,8 @@ public void linkReferenceDefinitionMultiple() {
         var doc = PARSER.parse("[foo]: /foo\n[bar]: /bar\n");
         var def1 = (LinkReferenceDefinition) doc.getFirstChild();
         var def2 = (LinkReferenceDefinition) doc.getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 11)), def1.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(1, 0, 11)), def2.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 11)), def1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 0, 12, 11)), def2.getSourceSpans());
     }
 
     @Test
@@ -178,8 +178,8 @@ public void linkReferenceDefinitionWithTitle() {
         var doc = PARSER.parse("[1]: #not-code \"Text\"\n[foo]: /foo\n");
         var def1 = (LinkReferenceDefinition) doc.getFirstChild();
         var def2 = (LinkReferenceDefinition) doc.getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 21)), def1.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(1, 0, 11)), def2.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 21)), def1.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 0, 22, 11)), def2.getSourceSpans());
     }
 
     @Test
@@ -187,8 +187,8 @@ public void linkReferenceDefinitionWithTitleInvalid() {
         var doc = PARSER.parse("[foo]: /url\n\"title\" ok\n");
         var def = Nodes.find(doc, LinkReferenceDefinition.class);
         var paragraph = Nodes.find(doc, Paragraph.class);
-        assertEquals(List.of(SourceSpan.of(0, 0, 11)), def.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(1, 0, 10)), paragraph.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 11)), def.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 0, 12, 10)), paragraph.getSourceSpans());
     }
 
     @Test
@@ -198,10 +198,10 @@ public void linkReferenceDefinitionHeading() {
         Node document = PARSER.parse("[foo]: /url\nHeading\n===\n");
 
         LinkReferenceDefinition linkReferenceDefinition = (LinkReferenceDefinition) document.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 11)), linkReferenceDefinition.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 0, 0, 11)), linkReferenceDefinition.getSourceSpans());
 
         Heading heading = (Heading) document.getLastChild();
-        assertEquals(List.of(SourceSpan.of(1, 0, 7), SourceSpan.of(2, 0, 3)), heading.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(1, 0, 12, 7), SourceSpan.of(2, 0, 20, 3)), heading.getSourceSpans());
     }
 
     @Test
@@ -212,13 +212,13 @@ public void lazyContinuationLines() {
             var doc = PARSER.parse("> > > foo\nbar\n");
 
             var bq1 = (BlockQuote) doc.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 0, 9), SourceSpan.of(1, 0, 3)), bq1.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 0, 0, 9), SourceSpan.of(1, 0, 10, 3)), bq1.getSourceSpans());
             var bq2 = (BlockQuote) bq1.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 2, 7), SourceSpan.of(1, 0, 3)), bq2.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 2, 2, 7), SourceSpan.of(1, 0, 10, 3)), bq2.getSourceSpans());
             var bq3 = (BlockQuote) bq2.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 4, 5), SourceSpan.of(1, 0, 3)), bq3.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 4, 4, 5), SourceSpan.of(1, 0, 10, 3)), bq3.getSourceSpans());
             var paragraph = (Paragraph) bq3.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 6, 3), SourceSpan.of(1, 0, 3)), paragraph.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 6, 6, 3), SourceSpan.of(1, 0, 10, 3)), paragraph.getSourceSpans());
         }
 
         {
@@ -226,13 +226,13 @@ public void lazyContinuationLines() {
             var doc = PARSER.parse("> > > foo\nbars\n");
 
             var bq1 = (BlockQuote) doc.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 0, 9), SourceSpan.of(1, 0, 4)), bq1.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 0, 0, 9), SourceSpan.of(1, 0, 10, 4)), bq1.getSourceSpans());
             var bq2 = (BlockQuote) bq1.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 2, 7), SourceSpan.of(1, 0, 4)), bq2.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 2, 2, 7), SourceSpan.of(1, 0, 10, 4)), bq2.getSourceSpans());
             var bq3 = (BlockQuote) bq2.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 4, 5), SourceSpan.of(1, 0, 4)), bq3.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 4, 4, 5), SourceSpan.of(1, 0, 10, 4)), bq3.getSourceSpans());
             var paragraph = (Paragraph) bq3.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 6, 3), SourceSpan.of(1, 0, 4)), paragraph.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 6, 6, 3), SourceSpan.of(1, 0, 10, 4)), paragraph.getSourceSpans());
         }
 
         {
@@ -240,15 +240,15 @@ public void lazyContinuationLines() {
             var doc = PARSER.parse("> 1. > Blockquote\ncontinued here.");
 
             var bq1 = (BlockQuote) doc.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 0, 17), SourceSpan.of(1, 0, 15)), bq1.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 0, 0, 17), SourceSpan.of(1, 0, 18, 15)), bq1.getSourceSpans());
             var orderedList = (OrderedList) bq1.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 2, 15), SourceSpan.of(1, 0, 15)), orderedList.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 2, 2, 15), SourceSpan.of(1, 0, 18, 15)), orderedList.getSourceSpans());
             var listItem = (ListItem) orderedList.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 2, 15), SourceSpan.of(1, 0, 15)), listItem.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 2, 2, 15), SourceSpan.of(1, 0, 18, 15)), listItem.getSourceSpans());
             var bq2 = (BlockQuote) listItem.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 5, 12), SourceSpan.of(1, 0, 15)), bq2.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 5, 5, 12), SourceSpan.of(1, 0, 18, 15)), bq2.getSourceSpans());
             var paragraph = (Paragraph) bq2.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 7, 10), SourceSpan.of(1, 0, 15)), paragraph.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 7, 7, 10), SourceSpan.of(1, 0, 18, 15)), paragraph.getSourceSpans());
         }
 
         {
@@ -256,127 +256,151 @@ public void lazyContinuationLines() {
             var doc = PARSER.parse("> > foo\n> bar\n");
 
             var bq1 = (BlockQuote) doc.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 0, 7), SourceSpan.of(1, 0, 5)), bq1.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 0, 0, 7), SourceSpan.of(1, 0, 8, 5)), bq1.getSourceSpans());
             var bq2 = (BlockQuote) bq1.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 2, 5), SourceSpan.of(1, 2, 3)), bq2.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 2, 2, 5), SourceSpan.of(1, 2, 10, 3)), bq2.getSourceSpans());
             var paragraph = (Paragraph) bq2.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 4, 3), SourceSpan.of(1, 2, 3)), paragraph.getSourceSpans());
+            assertEquals(List.of(SourceSpan.of(0, 4, 4, 3), SourceSpan.of(1, 2, 10, 3)), paragraph.getSourceSpans());
         }
     }
 
     @Test
     public void visualCheck() {
-        assertEquals("(> {[* <foo>]})\n(> {[  <bar>]})\n(> {⸢* ⸤baz⸥⸣})\n",
-                visualizeSourceSpans("> * foo\n>   bar\n> * baz\n"));
-        assertEquals("(> {[* <```>]})\n(> {[  <foo>]})\n(> {[  <```>]})\n",
-                visualizeSourceSpans("> * ```\n>   foo\n>   ```"));
+        assertVisualize("> * foo\n>   bar\n> * baz\n", "(> {[* <foo>]})\n(> {[  <bar>]})\n(> {⸢* ⸤baz⸥⸣})\n");
+        assertVisualize("> * ```\n>   foo\n>   ```\n", "(> {[* <```>]})\n(> {[  <foo>]})\n(> {[  <```>]})\n");
     }
 
     @Test
     public void inlineText() {
-        assertInlineSpans("foo", Text.class, SourceSpan.of(0, 0, 3));
-        assertInlineSpans("> foo", Text.class, SourceSpan.of(0, 2, 3));
-        assertInlineSpans("* foo", Text.class, SourceSpan.of(0, 2, 3));
+        assertInlineSpans("foo", Text.class, SourceSpan.of(0, 0, 0, 3));
+        assertInlineSpans("> foo", Text.class, SourceSpan.of(0, 2, 2, 3));
+        assertInlineSpans("* foo", Text.class, SourceSpan.of(0, 2, 2, 3));
 
         // SourceSpans should be merged: ` is a separate Text node while inline parsing and gets merged at the end
-        assertInlineSpans("foo`bar", Text.class, SourceSpan.of(0, 0, 7));
-        assertInlineSpans("foo[bar", Text.class, SourceSpan.of(0, 0, 7));
+        assertInlineSpans("foo`bar", Text.class, SourceSpan.of(0, 0, 0, 7));
+        assertInlineSpans("foo[bar", Text.class, SourceSpan.of(0, 0, 0, 7));
+        assertInlineSpans("> foo`bar", Text.class, SourceSpan.of(0, 2, 2, 7));
 
-        assertInlineSpans("[foo](/url)", Text.class, SourceSpan.of(0, 1, 3));
-        assertInlineSpans("*foo*", Text.class, SourceSpan.of(0, 1, 3));
+        assertInlineSpans("[foo](/url)", Text.class, SourceSpan.of(0, 1, 1, 3));
+        assertInlineSpans("*foo*", Text.class, SourceSpan.of(0, 1, 1, 3));
     }
 
     @Test
     public void inlineHeading() {
-        assertInlineSpans("# foo", Text.class, SourceSpan.of(0, 2, 3));
-        assertInlineSpans(" # foo", Text.class, SourceSpan.of(0, 3, 3));
-        assertInlineSpans("> # foo", Text.class, SourceSpan.of(0, 4, 3));
+        assertInlineSpans("# foo", Text.class, SourceSpan.of(0, 2, 2, 3));
+        assertInlineSpans(" # foo", Text.class, SourceSpan.of(0, 3, 3, 3));
+        assertInlineSpans("> # foo", Text.class, SourceSpan.of(0, 4, 4, 3));
     }
 
     @Test
     public void inlineAutolink() {
-        assertInlineSpans("see <https://example.org>", Link.class, SourceSpan.of(0, 4, 21));
+        assertInlineSpans("see <https://example.org>", Link.class, SourceSpan.of(0, 4, 4, 21));
     }
 
     @Test
     public void inlineBackslash() {
-        assertInlineSpans("\\!", Text.class, SourceSpan.of(0, 0, 2));
+        assertInlineSpans("\\!", Text.class, SourceSpan.of(0, 0, 0, 2));
     }
 
     @Test
     public void inlineBackticks() {
-        assertInlineSpans("see `code`", Code.class, SourceSpan.of(0, 4, 6));
+        assertInlineSpans("see `code`", Code.class, SourceSpan.of(0, 4, 4, 6));
         assertInlineSpans("`multi\nline`", Code.class,
-                SourceSpan.of(0, 0, 6),
-                SourceSpan.of(1, 0, 5));
-        assertInlineSpans("text ```", Text.class, SourceSpan.of(0, 0, 8));
+                SourceSpan.of(0, 0, 0, 6),
+                SourceSpan.of(1, 0, 7, 5));
+        assertInlineSpans("text ```", Text.class, SourceSpan.of(0, 0, 0, 8));
     }
 
     @Test
     public void inlineEntity() {
-        assertInlineSpans("&amp;", Text.class, SourceSpan.of(0, 0, 5));
+        assertInlineSpans("&amp;", Text.class, SourceSpan.of(0, 0, 0, 5));
     }
 
     @Test
     public void inlineHtml() {
-        assertInlineSpans("hi <strong>there</strong>", HtmlInline.class, SourceSpan.of(0, 3, 8));
+        assertInlineSpans("hi <strong>there</strong>", HtmlInline.class, SourceSpan.of(0, 3, 3, 8));
     }
 
     @Test
     public void links() {
-        assertInlineSpans("[text](/url)", Link.class, SourceSpan.of(0, 0, 12));
-        assertInlineSpans("[text](/url)", Text.class, SourceSpan.of(0, 1, 4));
+        assertInlineSpans("\n[text](/url)", Link.class, SourceSpan.of(1, 0, 1, 12));
+        assertInlineSpans("\n[text](/url)", Text.class, SourceSpan.of(1, 1, 2, 4));
 
-        assertInlineSpans("[text]\n\n[text]: /url", Link.class, SourceSpan.of(0, 0, 6));
-        assertInlineSpans("[text]\n\n[text]: /url", Text.class, SourceSpan.of(0, 1, 4));
-        assertInlineSpans("[text][]\n\n[text]: /url", Link.class, SourceSpan.of(0, 0, 8));
-        assertInlineSpans("[text][]\n\n[text]: /url", Text.class, SourceSpan.of(0, 1, 4));
-        assertInlineSpans("[text][ref]\n\n[ref]: /url", Link.class, SourceSpan.of(0, 0, 11));
-        assertInlineSpans("[text][ref]\n\n[ref]: /url", Text.class, SourceSpan.of(0, 1, 4));
-        assertInlineSpans("[notalink]", Text.class, SourceSpan.of(0, 0, 10));
+        assertInlineSpans("\n[text]\n\n[text]: /url", Link.class, SourceSpan.of(1, 0, 1, 6));
+        assertInlineSpans("\n[text]\n\n[text]: /url", Text.class, SourceSpan.of(1, 1, 2, 4));
+        assertInlineSpans("\n[text][]\n\n[text]: /url", Link.class, SourceSpan.of(1, 0, 1, 8));
+        assertInlineSpans("\n[text][]\n\n[text]: /url", Text.class, SourceSpan.of(1, 1, 2, 4));
+        assertInlineSpans("\n[text][ref]\n\n[ref]: /url", Link.class, SourceSpan.of(1, 0, 1, 11));
+        assertInlineSpans("\n[text][ref]\n\n[ref]: /url", Text.class, SourceSpan.of(1, 1, 2, 4));
+        assertInlineSpans("\n[notalink]", Text.class, SourceSpan.of(1, 0, 1, 10));
     }
 
     @Test
     public void inlineEmphasis() {
-        assertInlineSpans("*hey*", Emphasis.class, SourceSpan.of(0, 0, 5));
-        assertInlineSpans("*hey*", Text.class, SourceSpan.of(0, 1, 3));
-        assertInlineSpans("**hey**", StrongEmphasis.class, SourceSpan.of(0, 0, 7));
-        assertInlineSpans("**hey**", Text.class, SourceSpan.of(0, 2, 3));
+        assertInlineSpans("\n*hey*", Emphasis.class, SourceSpan.of(1, 0, 1, 5));
+        assertInlineSpans("\n*hey*", Text.class, SourceSpan.of(1, 1, 2, 3));
+        assertInlineSpans("\n**hey**", StrongEmphasis.class, SourceSpan.of(1, 0, 1, 7));
+        assertInlineSpans("\n**hey**", Text.class, SourceSpan.of(1, 2, 3, 3));
 
         // This is an interesting one. It renders like this:
         // <p>*<em>hey</em></p>
         // The delimiter processor only uses one of the asterisks.
         // So the first Text node should be the `*` at the beginning with the correct span.
-        assertInlineSpans("**hey*", Text.class, SourceSpan.of(0, 0, 1));
-        assertInlineSpans("**hey*", Emphasis.class, SourceSpan.of(0, 1, 5));
+        assertInlineSpans("\n**hey*", Text.class, SourceSpan.of(1, 0, 1, 1));
+        assertInlineSpans("\n**hey*", Emphasis.class, SourceSpan.of(1, 1, 2, 5));
 
-        assertInlineSpans("***hey**", Text.class, SourceSpan.of(0, 0, 1));
-        assertInlineSpans("***hey**", StrongEmphasis.class, SourceSpan.of(0, 1, 7));
+        assertInlineSpans("\n***hey**", Text.class, SourceSpan.of(1, 0, 1, 1));
+        assertInlineSpans("\n***hey**", StrongEmphasis.class, SourceSpan.of(1, 1, 2, 7));
 
         Node document = INLINES_PARSER.parse("*hey**");
         Node lastText = document.getFirstChild().getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 5, 1)), lastText.getSourceSpans());
+        assertEquals(List.of(SourceSpan.of(0, 5, 5, 1)), lastText.getSourceSpans());
     }
 
     @Test
     public void tabExpansion() {
-        assertInlineSpans(">\tfoo", BlockQuote.class, SourceSpan.of(0, 0, 5));
-        assertInlineSpans(">\tfoo", Text.class, SourceSpan.of(0, 2, 3));
+        assertInlineSpans(">\tfoo", BlockQuote.class, SourceSpan.of(0, 0, 0, 5));
+        assertInlineSpans(">\tfoo", Text.class, SourceSpan.of(0, 2, 2, 3));
 
-        assertInlineSpans("a\tb", Text.class, SourceSpan.of(0, 0, 3));
+        assertInlineSpans("a\tb", Text.class, SourceSpan.of(0, 0, 0, 3));
     }
 
-    private String visualizeSourceSpans(String source) {
-        Node document = PARSER.parse(source);
-        return SourceSpanRenderer.render(document, source);
+    @Test
+    public void differentLineTerminators() {
+        var input = "foo\nbar\rbaz\r\nqux\r\n\r\n> *hi*";
+        assertSpans(input, Paragraph.class,
+                SourceSpan.of(0, 0, 0, 3),
+                SourceSpan.of(1, 0, 4, 3),
+                SourceSpan.of(2, 0, 8, 3),
+                SourceSpan.of(3, 0, 13, 3));
+        assertSpans(input, BlockQuote.class,
+                SourceSpan.of(5, 0, 20, 6));
+
+        assertInlineSpans(input, Emphasis.class, SourceSpan.of(5, 2, 22, 4));
+    }
+
+    private void assertVisualize(String source, String expected) {
+        var doc = PARSER.parse(source);
+        assertEquals(expected, SourceSpanRenderer.renderWithLineColumn(doc, source));
+        assertEquals(expected, SourceSpanRenderer.renderWithInputIndex(doc, source));
     }
 
     private static void assertSpans(String input, Class<? extends Node> nodeClass, SourceSpan... expectedSourceSpans) {
         assertSpans(PARSER.parse(input), nodeClass, expectedSourceSpans);
+        try {
+            assertSpans(PARSER.parseReader(new StringReader(input)), nodeClass, expectedSourceSpans);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
     }
 
     private static void assertInlineSpans(String input, Class<? extends Node> nodeClass, SourceSpan... expectedSourceSpans) {
         assertSpans(INLINES_PARSER.parse(input), nodeClass, expectedSourceSpans);
+        try {
+            assertSpans(INLINES_PARSER.parseReader(new StringReader(input)), nodeClass, expectedSourceSpans);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
     }
 
     private static void assertSpans(Node rootNode, Class<? extends Node> nodeClass, SourceSpan... expectedSourceSpans) {

From 2e52d5a64447ca99b53ee807d08b1fe74bef175e Mon Sep 17 00:00:00 2001
From: mykolagolubyev <golubev.nikolay@gmail.com>
Date: Sat, 19 Oct 2024 17:42:37 -0400
Subject: [PATCH 352/450] add znai as user

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 7ab691e6c..717db7c9f 100644
--- a/README.md
+++ b/README.md
@@ -423,6 +423,7 @@ Some users of this library (feel free to raise a PR if you want to be added):
 * Atlassian (where the library was initially developed)
 * Java (OpenJDK), see [here](https://github.com/openjdk/jdk/blob/3895b8fc0b2c6d187080dba6fe08297adad4a480/src/jdk.internal.md/share/classes/module-info.java)
 * Gitiles/Gerrit, see [here](https://gerrit-review.googlesource.com/c/gitiles/+/353794)
+* Znai, see [here](https://github.com/testingisdocumenting/znai)
 
 See also
 --------

From e0090314f2c6a1b8cb3e4dbcea78eecd254d16a5 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 21 Oct 2024 22:10:01 +1100
Subject: [PATCH 353/450] Add license to core pom, use SPDX identifier

---
 commonmark/pom.xml | 8 ++++++++
 pom.xml            | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 3d4ddc2b7..4495fd131 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -54,4 +54,12 @@
         </profile>
     </profiles>
 
+    <licenses>
+        <license>
+            <name>BSD-2-Clause</name>
+            <url>https://opensource.org/licenses/BSD-2-Clause</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
 </project>
diff --git a/pom.xml b/pom.xml
index dc1aa344d..d8b597c27 100644
--- a/pom.xml
+++ b/pom.xml
@@ -263,7 +263,7 @@
 
     <licenses>
         <license>
-            <name>BSD 2-Clause License</name>
+            <name>BSD-2-Clause</name>
             <url>https://opensource.org/licenses/BSD-2-Clause</url>
             <distribution>repo</distribution>
         </license>

From c5c95477c9297310ce641f1f7f41ecc4facd4351 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 21 Oct 2024 22:37:38 +1100
Subject: [PATCH 354/450] README: Add source positions section

---
 README.md                                     | 25 +++++++++++++++++++
 .../org/commonmark/test/UsageExampleTest.java | 16 ++++++++++++
 2 files changed, 41 insertions(+)

diff --git a/README.md b/README.md
index 717db7c9f..d803f32d7 100644
--- a/README.md
+++ b/README.md
@@ -130,6 +130,31 @@ class WordCountVisitor extends AbstractVisitor {
 }
 ```
 
+#### Source positions
+
+If you want to know where a parsed `Node` appeared in the input source text,
+you can request the parser to return source positions like this:
+
+```java
+var parser = Parser.builder().includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES).build();
+```
+
+Then parse nodes and inspect source positions:
+
+```java
+var source = "foo\n\nbar *baz*";
+var doc = parser.parse(source);
+var emphasis = doc.getLastChild().getLastChild();
+var s = emphasis.getSourceSpans().get(0);
+s.getLineIndex();    // 2 (third line)
+s.getColumnIndex();  // 4 (fifth column)
+s.getInputIndex();   // 9 (string index 9)
+s.getLength();       // 5
+source.substring(s.getInputIndex(), s.getInputIndex() + s.getLength());  // "*baz*"
+```
+
+If you're only interested in blocks and not inlines, use `IncludeSourceSpans.BLOCKS`.
+
 #### Add or change attributes of HTML elements
 
 Sometimes you might want to customize how HTML is rendered. If all you
diff --git a/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java b/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
index 1ffb7b64a..1bff79a26 100644
--- a/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
@@ -1,6 +1,7 @@
 package org.commonmark.test;
 
 import org.commonmark.node.*;
+import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.*;
@@ -58,6 +59,21 @@ public void visitor() {
         assertEquals(4, visitor.wordCount);
     }
 
+    @Test
+    public void sourcePositions() {
+        var parser = Parser.builder().includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES).build();
+
+        var source = "foo\n\nbar *baz*";
+        var doc = parser.parse(source);
+        var emphasis = doc.getLastChild().getLastChild();
+        var s = emphasis.getSourceSpans().get(0);
+        assertEquals(2, s.getLineIndex());
+        assertEquals(4, s.getColumnIndex());
+        assertEquals(9, s.getInputIndex());
+        assertEquals(5, s.getLength());
+        assertEquals("*baz*", source.substring(s.getInputIndex(), s.getInputIndex() + s.getLength()));
+    }
+
     @Test
     public void addAttributes() {
         Parser parser = Parser.builder().build();

From 8a379e2e60f52a2a114189766df22fa2051bd432 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 21 Oct 2024 22:41:40 +1100
Subject: [PATCH 355/450] Test on Java 23 as well

---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b49fb8164..24160d342 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [11, 17, 21]
+        java: [11, 17, 21, 23]
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4

From 5e6a5cc8f134674b3f29ecf58f18e8a41edeeba0 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 21 Oct 2024 23:01:16 +1100
Subject: [PATCH 356/450] Prepare CHANGELOG for release 0.24

---
 CHANGELOG.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f98fe97d4..fb412397f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,20 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [0.24.0] - 2024-10-21
+### Added
+- `SourceSpan` on nodes now have a `getInputIndex` to get the index within the
+  original input string (in addition to the existing line/column indexes).
+  This is useful when looking up the input source: It can now be done using
+  `substring` instead of having to split the input into lines first (#348)
+- Configurable line break rendering for `TextContentRenderer` via `lineBreakRendering`
+  on the builder; e.g. `LineBreakRendering.SEPARATE_BLOCKS` will render an empty
+  line between blocks (#344)
+### Changed
+- Adopted small changes from OpenJDK vendoring to make updates easier for them (#343)
+### Fixed
+- Enable overriding of built-in node rendering for `TextContentRenderer` (#346)
+
 ## [0.23.0] - 2024-09-16
 ### Added
 - New extension for footnotes!
@@ -445,6 +459,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
+[0.24.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.23.0...commonmark-parent-0.24.0
 [0.23.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.22.0...commonmark-parent-0.23.0
 [0.22.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.21.0...commonmark-parent-0.22.0
 [0.21.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.20.0...commonmark-parent-0.21.0

From ea85a7ddc699ab27772b2ce2f612f972695d771d Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 21 Oct 2024 23:02:57 +1100
Subject: [PATCH 357/450] Prepare for version 0.24.0

Ran `mvn versions:set -DnewVersion=0.24.0-SNAPSHOT`
---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 22 +++++++++++-----------
 13 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 9e879640f..9271f9f80 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 36204b775..13f14af0d 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 40c234e88..fbb8a109f 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 06e828240..f12f71482 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 8998cb4c1..96b9055b6 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index c706a1fe6..8b8d4f158 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 277dad07c..bee561579 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 1a42059dc..52a86a802 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 079aaf46c..97da86bb2 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index e82661ed4..4f6843e10 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index a8c8c73ad..795b1a1ce 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 4495fd131..4c2cb19d7 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.23.1-SNAPSHOT</version>
+        <version>0.24.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index d8b597c27..9e1cd25c3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.23.1-SNAPSHOT</version>
+    <version>0.24.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.23.1-SNAPSHOT</version>
+                <version>0.24.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.23.1-SNAPSHOT</version>
+                <version>0.24.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.23.1-SNAPSHOT</version>
+                <version>0.24.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.23.1-SNAPSHOT</version>
+                <version>0.24.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.23.1-SNAPSHOT</version>
+                <version>0.24.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.23.1-SNAPSHOT</version>
+                <version>0.24.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.23.1-SNAPSHOT</version>
+                <version>0.24.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.23.1-SNAPSHOT</version>
+                <version>0.24.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.23.1-SNAPSHOT</version>
+                <version>0.24.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.23.1-SNAPSHOT</version>
+                <version>0.24.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From 9a395abec74f96b48cfd45f681507b72dc31d9c4 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Mon, 21 Oct 2024 12:08:16 +0000
Subject: [PATCH 358/450] [maven-release-plugin] prepare release
 commonmark-parent-0.24.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 13 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 9271f9f80..6ae814adc 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 13f14af0d..a8a8ca58c 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index fbb8a109f..24a842518 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index f12f71482..bfb2bcdb2 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 96b9055b6..0dc44d39f 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 8b8d4f158..a9c49d129 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index bee561579..d8f415f7f 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 52a86a802..c74f8e176 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 97da86bb2..078b6311d 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 4f6843e10..95686039e 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 795b1a1ce..8fc04a29d 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 4c2cb19d7..a47ac0069 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0-SNAPSHOT</version>
+        <version>0.24.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 9e1cd25c3..912915ab0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.24.0-SNAPSHOT</version>
+    <version>0.24.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.24.0-SNAPSHOT</version>
+                <version>0.24.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.24.0-SNAPSHOT</version>
+                <version>0.24.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.24.0-SNAPSHOT</version>
+                <version>0.24.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.24.0-SNAPSHOT</version>
+                <version>0.24.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.24.0-SNAPSHOT</version>
+                <version>0.24.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.24.0-SNAPSHOT</version>
+                <version>0.24.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.24.0-SNAPSHOT</version>
+                <version>0.24.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.24.0-SNAPSHOT</version>
+                <version>0.24.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.24.0-SNAPSHOT</version>
+                <version>0.24.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.24.0-SNAPSHOT</version>
+                <version>0.24.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -279,7 +279,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.24.0</tag>
     </scm>
 
     <distributionManagement>

From 0659cce8400c0590d2f51d56cd27ca802193153d Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Mon, 21 Oct 2024 12:08:18 +0000
Subject: [PATCH 359/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 13 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 6ae814adc..c2f9bf438 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index a8a8ca58c..d34e4e2f9 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 24a842518..1fd1269bf 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index bfb2bcdb2..d261a1d24 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 0dc44d39f..e4a62b2b3 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index a9c49d129..55b0dce20 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index d8f415f7f..9dbe2cf06 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index c74f8e176..3926c8b5e 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 078b6311d..9e329e0d3 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 95686039e..c5e572291 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 8fc04a29d..7fb4881f1 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index a47ac0069..17f3bc747 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.0</version>
+        <version>0.24.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 912915ab0..031869f6e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.24.0</version>
+    <version>0.24.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -112,52 +112,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.24.0</version>
+                <version>0.24.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.24.0</version>
+                <version>0.24.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.24.0</version>
+                <version>0.24.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.24.0</version>
+                <version>0.24.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.24.0</version>
+                <version>0.24.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.24.0</version>
+                <version>0.24.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.24.0</version>
+                <version>0.24.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.24.0</version>
+                <version>0.24.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.24.0</version>
+                <version>0.24.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.24.0</version>
+                <version>0.24.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -279,7 +279,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.24.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <distributionManagement>

From f3d5ff39de4f0f4cbae70547642ccf71684d38ec Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Mon, 21 Oct 2024 23:23:03 +1100
Subject: [PATCH 360/450] README: Bump version to 0.24.0

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index d803f32d7..0bcd95f44 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.23.0</version>
+    <version>0.24.0</version>
 </dependency>
 ```
 
@@ -291,7 +291,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.23.0</version>
+    <version>0.24.0</version>
 </dependency>
 ```
 

From 7bbaa9a7578fc8fbec1f6524a2ee7f73dbcb6e9c Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Thu, 24 Oct 2024 22:06:38 +1100
Subject: [PATCH 361/450] README: Used by

---
 README.md | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 0bcd95f44..dca939714 100644
--- a/README.md
+++ b/README.md
@@ -445,10 +445,11 @@ Used by
 -------
 
 Some users of this library (feel free to raise a PR if you want to be added):
-* Atlassian (where the library was initially developed)
-* Java (OpenJDK), see [here](https://github.com/openjdk/jdk/blob/3895b8fc0b2c6d187080dba6fe08297adad4a480/src/jdk.internal.md/share/classes/module-info.java)
-* Gitiles/Gerrit, see [here](https://gerrit-review.googlesource.com/c/gitiles/+/353794)
-* Znai, see [here](https://github.com/testingisdocumenting/znai)
+* [Atlassian](https://www.atlassian.com/) (where the library was initially developed)
+* Java (OpenJDK) ([link](https://github.com/openjdk/jdk/blob/3895b8fc0b2c6d187080dba6fe08297adad4a480/src/jdk.internal.md/share/classes/module-info.java))
+* [Gerrit](https://www.gerritcodereview.com/) code review/Gitiles ([link](https://gerrit-review.googlesource.com/c/gitiles/+/353794))
+* [Clerk](https://clerk.vision/) moldable live programming for Clojure
+* [Znai](https://github.com/testingisdocumenting/znai)
 
 See also
 --------

From cd649a1657bcd844c66a33c4af007a6f1926f8c2 Mon Sep 17 00:00:00 2001
From: sebthom <sebthom@users.noreply.github.com>
Date: Sun, 5 Jan 2025 17:26:47 +0100
Subject: [PATCH 362/450] refact: remove unused imports

---
 .../org/commonmark/ext/footnotes/FootnotesExtension.java     | 1 -
 .../ext/footnotes/internal/FootnoteLinkProcessor.java        | 1 -
 .../ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java | 5 -----
 .../src/main/java/org/commonmark/testutil/SpecTestCase.java  | 3 ---
 .../main/java/org/commonmark/internal/DocumentParser.java    | 1 -
 .../commonmark/internal/LinkReferenceDefinitionParser.java   | 1 -
 .../main/java/org/commonmark/internal/ParagraphParser.java   | 1 -
 .../src/main/java/org/commonmark/internal/util/Escaping.java | 1 -
 .../commonmark/renderer/markdown/MarkdownRendererTest.java   | 1 -
 .../src/test/java/org/commonmark/test/HtmlRendererTest.java  | 2 --
 .../test/java/org/commonmark/test/ListBlockParserTest.java   | 1 -
 .../test/java/org/commonmark/test/SourceSpanRenderer.java    | 1 -
 .../java/org/commonmark/test/TextContentRendererTest.java    | 2 --
 .../java/org/commonmark/test/ThematicBreakParserTest.java    | 1 -
 14 files changed, 22 deletions(-)

diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
index e2f90c239..dd532fa34 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/FootnotesExtension.java
@@ -3,7 +3,6 @@
 import org.commonmark.Extension;
 import org.commonmark.ext.footnotes.internal.*;
 import org.commonmark.parser.Parser;
-import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
index b2b420bae..07b008576 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteLinkProcessor.java
@@ -4,7 +4,6 @@
 import org.commonmark.ext.footnotes.FootnoteReference;
 import org.commonmark.ext.footnotes.InlineFootnote;
 import org.commonmark.node.LinkReferenceDefinition;
-import org.commonmark.node.Text;
 import org.commonmark.parser.InlineParserContext;
 import org.commonmark.parser.beta.LinkInfo;
 import org.commonmark.parser.beta.LinkProcessor;
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
index 342fb7ebb..eddf6f2ea 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
@@ -5,14 +5,9 @@
 import org.commonmark.ext.footnotes.InlineFootnote;
 import org.commonmark.node.*;
 import org.commonmark.renderer.NodeRenderer;
-import org.commonmark.renderer.html.HtmlNodeRendererContext;
-import org.commonmark.renderer.html.HtmlWriter;
 import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
 import org.commonmark.renderer.markdown.MarkdownWriter;
 
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
 import java.util.Set;
 
 public class FootnoteMarkdownNodeRenderer implements NodeRenderer {
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java
index 3be768682..2fb175772 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java
@@ -2,7 +2,6 @@
 
 import org.commonmark.testutil.example.Example;
 import org.commonmark.testutil.example.ExampleReader;
-import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
 import org.junit.runners.Parameterized.Parameters;
@@ -10,8 +9,6 @@
 import java.util.ArrayList;
 import java.util.List;
 
-import static org.commonmark.testutil.Asserts.assertRendering;
-
 @RunWith(Parameterized.class)
 public abstract class SpecTestCase {
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 7fd2d4300..6059cc51c 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -13,7 +13,6 @@
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.text.Characters;
 
-import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.Reader;
 import java.util.*;
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index 070f29ceb..b58e669ef 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -2,7 +2,6 @@
 
 import org.commonmark.internal.util.Escaping;
 import org.commonmark.internal.util.LinkScanner;
-import org.commonmark.node.DefinitionMap;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.SourceLine;
diff --git a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
index 18808d499..93a2dd593 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
@@ -9,7 +9,6 @@
 import org.commonmark.parser.block.ParserState;
 
 import java.util.List;
-import java.util.Map;
 
 public class ParagraphParser extends AbstractBlockParser {
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java b/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
index d928b6f43..3350003c0 100644
--- a/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
+++ b/commonmark/src/main/java/org/commonmark/internal/util/Escaping.java
@@ -1,6 +1,5 @@
 package org.commonmark.internal.util;
 
-import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.util.Locale;
 import java.util.regex.Matcher;
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 59d525fed..c47a6dde0 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -2,7 +2,6 @@
 
 import org.commonmark.node.*;
 import org.commonmark.parser.Parser;
-import org.commonmark.testutil.Asserts;
 import org.junit.Test;
 
 import static org.commonmark.testutil.Asserts.assertRendering;
diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
index 018b9e453..90a4aff62 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
@@ -4,8 +4,6 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.*;
-import org.commonmark.testutil.Asserts;
-import org.commonmark.testutil.RenderingTestCase;
 import org.commonmark.testutil.TestResources;
 import org.junit.Test;
 
diff --git a/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java b/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
index 667d60efe..4a38bc412 100644
--- a/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
@@ -6,7 +6,6 @@
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
 
 public class ListBlockParserTest {
 
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java b/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
index 5181a36e7..c29aac61e 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpanRenderer.java
@@ -2,7 +2,6 @@
 
 import org.commonmark.node.AbstractVisitor;
 import org.commonmark.node.Node;
-import org.commonmark.node.SourceSpan;
 
 import java.util.*;
 
diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index 45d7aa91d..fd7744eff 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -13,8 +13,6 @@
 
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
-
 public class TextContentRendererTest {
 
     private static final Parser PARSER = Parser.builder().build();
diff --git a/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java b/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java
index a6b297f8e..2b15f8add 100644
--- a/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java
@@ -5,7 +5,6 @@
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
 
 public class ThematicBreakParserTest {
 

From a689cdd289e42cbc9a776d321a1ed1e3fe16e610 Mon Sep 17 00:00:00 2001
From: sebthom <sebthom@users.noreply.github.com>
Date: Sun, 5 Jan 2025 17:26:57 +0100
Subject: [PATCH 363/450] refact: remove redundant superinterface/type argument

---
 .../ext/gfm/tables/internal/TableMarkdownNodeRenderer.java     | 3 +--
 .../org/commonmark/renderer/markdown/MarkdownRenderer.java     | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
index 2fe60f80d..b0705f579 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableMarkdownNodeRenderer.java
@@ -2,7 +2,6 @@
 
 import org.commonmark.ext.gfm.tables.*;
 import org.commonmark.node.Node;
-import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
 import org.commonmark.renderer.markdown.MarkdownWriter;
 import org.commonmark.text.AsciiMatcher;
@@ -13,7 +12,7 @@
 /**
  * The Table node renderer that is needed for rendering GFM tables (GitHub Flavored Markdown) to text content.
  */
-public class TableMarkdownNodeRenderer extends TableNodeRenderer implements NodeRenderer {
+public class TableMarkdownNodeRenderer extends TableNodeRenderer {
     private final MarkdownWriter writer;
     private final MarkdownNodeRendererContext context;
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
index 7683b6921..0f8559f32 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
@@ -130,7 +130,7 @@ private class RendererContext implements MarkdownNodeRendererContext {
         private RendererContext(MarkdownWriter writer) {
             // Set fields that are used by interface
             this.writer = writer;
-            Set<Character> escapes = new HashSet<Character>();
+            Set<Character> escapes = new HashSet<>();
             for (MarkdownNodeRendererFactory factory : nodeRendererFactories) {
                 escapes.addAll(factory.getSpecialCharacters());
             }

From f6a6a3eda21bb8bd9919ed9064153200eb7334dc Mon Sep 17 00:00:00 2001
From: sebthom <sebthom@users.noreply.github.com>
Date: Sun, 5 Jan 2025 17:30:30 +0100
Subject: [PATCH 364/450] refact: remove unused local variable

---
 .../test/java/org/commonmark/test/TextContentRendererTest.java   | 1 -
 1 file changed, 1 deletion(-)

diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index fd7744eff..bbacf3da4 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -45,7 +45,6 @@ public void textContentHeading() {
     @Test
     public void textContentEmphasis() {
         String s;
-        String rendered;
 
         s = "***foo***";
         assertCompact(s, "foo");

From a45d3d24f19cbf2eb94da3a6cbd47f52deec66b6 Mon Sep 17 00:00:00 2001
From: sebthom <sebthom@users.noreply.github.com>
Date: Sun, 5 Jan 2025 17:36:59 +0100
Subject: [PATCH 365/450] refact: fix deprecation warnings

---
 .../test/java/org/commonmark/ext/gfm/tables/TablesTest.java    | 2 +-
 .../test/java/org/commonmark/internal/DocumentParserTest.java  | 2 +-
 .../src/test/java/org/commonmark/test/HtmlRendererTest.java    | 2 +-
 .../org/commonmark/test/LinkReferenceDefinitionNodeTest.java   | 2 +-
 commonmark/src/test/java/org/commonmark/test/ParserTest.java   | 2 +-
 .../test/java/org/commonmark/test/TextContentRendererTest.java | 3 ++-
 6 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index 415a17815..57f4a4ae5 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -15,8 +15,8 @@
 import java.util.*;
 
 import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
 
 public class TablesTest extends RenderingTestCase {
 
diff --git a/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java b/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java
index 621bef25b..45143b852 100644
--- a/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java
@@ -9,7 +9,7 @@
 import java.util.Set;
 
 import static org.hamcrest.CoreMatchers.is;
-import static org.junit.Assert.assertThat;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertTrue;
 
 public class DocumentParserTest {
diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
index 90a4aff62..8e5a8f30d 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
@@ -17,8 +17,8 @@
 import java.util.concurrent.Future;
 
 import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
 
 public class HtmlRendererTest {
 
diff --git a/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java b/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java
index bf7bde6ec..81a71ee69 100644
--- a/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java
@@ -8,7 +8,7 @@
 
 import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.hamcrest.CoreMatchers.is;
-import static org.junit.Assert.assertThat;
+import static org.hamcrest.MatcherAssert.assertThat;
 
 public class LinkReferenceDefinitionNodeTest {
 
diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index f56cd560c..447a50c3d 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -21,8 +21,8 @@
 import java.util.concurrent.Future;
 
 import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
 
 public class ParserTest {
 
diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index bbacf3da4..93ca87d93 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -19,7 +19,8 @@ public class TextContentRendererTest {
     private static final TextContentRenderer COMPACT_RENDERER = TextContentRenderer.builder().build();
     private static final TextContentRenderer SEPARATE_RENDERER = TextContentRenderer.builder()
             .lineBreakRendering(LineBreakRendering.SEPARATE_BLOCKS).build();
-    private static final TextContentRenderer STRIPPED_RENDERER = TextContentRenderer.builder().stripNewlines(true).build();
+    private static final TextContentRenderer STRIPPED_RENDERER = TextContentRenderer.builder()
+            .lineBreakRendering(LineBreakRendering.STRIP).build();
 
     @Test
     public void textContentText() {

From 5cd425e471c328ff0625a85738fe3f3f84ab19d6 Mon Sep 17 00:00:00 2001
From: sebthom <sebthom@users.noreply.github.com>
Date: Sun, 5 Jan 2025 17:48:55 +0100
Subject: [PATCH 366/450] refact: add missing Override annotations

---
 .../ext/gfm/tables/internal/TableHtmlNodeRenderer.java       | 5 +++++
 .../gfm/tables/internal/TableTextContentNodeRenderer.java    | 5 +++++
 .../commonmark/integration/ExtensionsIntegrationTest.java    | 1 +
 .../main/java/org/commonmark/internal/BlockQuoteParser.java  | 1 +
 commonmark/src/main/java/org/commonmark/node/Block.java      | 1 +
 .../src/test/java/org/commonmark/test/UsageExampleTest.java  | 2 ++
 6 files changed, 15 insertions(+)

diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableHtmlNodeRenderer.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableHtmlNodeRenderer.java
index fd07e84df..966c4c151 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableHtmlNodeRenderer.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableHtmlNodeRenderer.java
@@ -17,6 +17,7 @@ public TableHtmlNodeRenderer(HtmlNodeRendererContext context) {
         this.context = context;
     }
 
+    @Override
     protected void renderBlock(TableBlock tableBlock) {
         htmlWriter.line();
         htmlWriter.tag("table", getAttributes(tableBlock, "table"));
@@ -25,6 +26,7 @@ protected void renderBlock(TableBlock tableBlock) {
         htmlWriter.line();
     }
 
+    @Override
     protected void renderHead(TableHead tableHead) {
         htmlWriter.line();
         htmlWriter.tag("thead", getAttributes(tableHead, "thead"));
@@ -33,6 +35,7 @@ protected void renderHead(TableHead tableHead) {
         htmlWriter.line();
     }
 
+    @Override
     protected void renderBody(TableBody tableBody) {
         htmlWriter.line();
         htmlWriter.tag("tbody", getAttributes(tableBody, "tbody"));
@@ -41,6 +44,7 @@ protected void renderBody(TableBody tableBody) {
         htmlWriter.line();
     }
 
+    @Override
     protected void renderRow(TableRow tableRow) {
         htmlWriter.line();
         htmlWriter.tag("tr", getAttributes(tableRow, "tr"));
@@ -49,6 +53,7 @@ protected void renderRow(TableRow tableRow) {
         htmlWriter.line();
     }
 
+    @Override
     protected void renderCell(TableCell tableCell) {
         String tagName = tableCell.isHeader() ? "th" : "td";
         htmlWriter.line();
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableTextContentNodeRenderer.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableTextContentNodeRenderer.java
index 7d28f61a8..0ba6894b5 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableTextContentNodeRenderer.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableTextContentNodeRenderer.java
@@ -22,6 +22,7 @@ public TableTextContentNodeRenderer(TextContentNodeRendererContext context) {
         this.context = context;
     }
 
+    @Override
     protected void renderBlock(TableBlock tableBlock) {
         // Render rows tight
         textContentWriter.pushTight(true);
@@ -30,19 +31,23 @@ protected void renderBlock(TableBlock tableBlock) {
         textContentWriter.block();
     }
 
+    @Override
     protected void renderHead(TableHead tableHead) {
         renderChildren(tableHead);
     }
 
+    @Override
     protected void renderBody(TableBody tableBody) {
         renderChildren(tableBody);
     }
 
+    @Override
     protected void renderRow(TableRow tableRow) {
         renderChildren(tableRow);
         textContentWriter.block();
     }
 
+    @Override
     protected void renderCell(TableCell tableCell) {
         renderChildren(tableCell);
         // For the last cell in row, don't render the delimiter
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java
index f5d84b5a9..64cf60ed9 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java
@@ -31,6 +31,7 @@ public void testTaskListItems() {
 
     }
 
+    @Override
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));
     }
diff --git a/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java b/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java
index 87c923e06..572c491f8 100644
--- a/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/BlockQuoteParser.java
@@ -46,6 +46,7 @@ private static boolean isMarker(ParserState state, int index) {
     }
 
     public static class Factory extends AbstractBlockParserFactory {
+        @Override
         public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
             int nextNonSpace = state.getNextNonSpaceIndex();
             if (isMarker(state, nextNonSpace)) {
diff --git a/commonmark/src/main/java/org/commonmark/node/Block.java b/commonmark/src/main/java/org/commonmark/node/Block.java
index 753447c5c..332346b0e 100644
--- a/commonmark/src/main/java/org/commonmark/node/Block.java
+++ b/commonmark/src/main/java/org/commonmark/node/Block.java
@@ -5,6 +5,7 @@
  */
 public abstract class Block extends Node {
 
+    @Override
     public Block getParent() {
         return (Block) super.getParent();
     }
diff --git a/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java b/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
index 1bff79a26..63901a49b 100644
--- a/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
@@ -79,6 +79,7 @@ public void addAttributes() {
         Parser parser = Parser.builder().build();
         HtmlRenderer renderer = HtmlRenderer.builder()
                 .attributeProviderFactory(new AttributeProviderFactory() {
+                    @Override
                     public AttributeProvider create(AttributeProviderContext context) {
                         return new ImageAttributeProvider();
                     }
@@ -95,6 +96,7 @@ public void customizeRendering() {
         Parser parser = Parser.builder().build();
         HtmlRenderer renderer = HtmlRenderer.builder()
                 .nodeRendererFactory(new HtmlNodeRendererFactory() {
+                    @Override
                     public NodeRenderer create(HtmlNodeRendererContext context) {
                         return new IndentedCodeBlockNodeRenderer(context);
                     }

From 2e24c8670f7b4ade7a8bb234fa117a9332b9225e Mon Sep 17 00:00:00 2001
From: sebthom <sebthom@users.noreply.github.com>
Date: Sun, 5 Jan 2025 18:08:12 +0100
Subject: [PATCH 367/450] fix: Add 'requires transitive' to fix compiler
 warning

This fixes the compiler warning "The type Extension from module
org.commonmark may not be accessible to clients due to missing 'requires
transitive'"
---
 commonmark-ext-autolink/src/main/java/module-info.java          | 2 +-
 commonmark-ext-footnotes/src/main/java/module-info.java         | 2 +-
 commonmark-ext-gfm-strikethrough/src/main/java/module-info.java | 2 +-
 commonmark-ext-gfm-tables/src/main/java/module-info.java        | 2 +-
 commonmark-ext-heading-anchor/src/main/java/module-info.java    | 2 +-
 commonmark-ext-image-attributes/src/main/java/module-info.java  | 2 +-
 commonmark-ext-ins/src/main/java/module-info.java               | 2 +-
 commonmark-ext-task-list-items/src/main/java/module-info.java   | 2 +-
 commonmark-ext-yaml-front-matter/src/main/java/module-info.java | 2 +-
 9 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/commonmark-ext-autolink/src/main/java/module-info.java b/commonmark-ext-autolink/src/main/java/module-info.java
index 6fe98c3b1..561934b85 100644
--- a/commonmark-ext-autolink/src/main/java/module-info.java
+++ b/commonmark-ext-autolink/src/main/java/module-info.java
@@ -1,6 +1,6 @@
 module org.commonmark.ext.autolink {
     exports org.commonmark.ext.autolink;
 
-    requires org.commonmark;
+    requires transitive org.commonmark;
     requires org.nibor.autolink;
 }
diff --git a/commonmark-ext-footnotes/src/main/java/module-info.java b/commonmark-ext-footnotes/src/main/java/module-info.java
index 806d65c3e..0667b2801 100644
--- a/commonmark-ext-footnotes/src/main/java/module-info.java
+++ b/commonmark-ext-footnotes/src/main/java/module-info.java
@@ -1,5 +1,5 @@
 module org.commonmark.ext.footnotes {
     exports org.commonmark.ext.footnotes;
 
-    requires org.commonmark;
+    requires transitive org.commonmark;
 }
diff --git a/commonmark-ext-gfm-strikethrough/src/main/java/module-info.java b/commonmark-ext-gfm-strikethrough/src/main/java/module-info.java
index 772710f00..b6204934b 100644
--- a/commonmark-ext-gfm-strikethrough/src/main/java/module-info.java
+++ b/commonmark-ext-gfm-strikethrough/src/main/java/module-info.java
@@ -1,5 +1,5 @@
 module org.commonmark.ext.gfm.strikethrough {
     exports org.commonmark.ext.gfm.strikethrough;
 
-    requires org.commonmark;
+    requires transitive org.commonmark;
 }
diff --git a/commonmark-ext-gfm-tables/src/main/java/module-info.java b/commonmark-ext-gfm-tables/src/main/java/module-info.java
index 472c84c3d..7e6d2629c 100644
--- a/commonmark-ext-gfm-tables/src/main/java/module-info.java
+++ b/commonmark-ext-gfm-tables/src/main/java/module-info.java
@@ -1,5 +1,5 @@
 module org.commonmark.ext.gfm.tables {
     exports org.commonmark.ext.gfm.tables;
 
-    requires org.commonmark;
+    requires transitive org.commonmark;
 }
diff --git a/commonmark-ext-heading-anchor/src/main/java/module-info.java b/commonmark-ext-heading-anchor/src/main/java/module-info.java
index 3b94c75ec..2369323a6 100644
--- a/commonmark-ext-heading-anchor/src/main/java/module-info.java
+++ b/commonmark-ext-heading-anchor/src/main/java/module-info.java
@@ -1,5 +1,5 @@
 module org.commonmark.ext.heading.anchor {
     exports org.commonmark.ext.heading.anchor;
 
-    requires org.commonmark;
+    requires transitive org.commonmark;
 }
diff --git a/commonmark-ext-image-attributes/src/main/java/module-info.java b/commonmark-ext-image-attributes/src/main/java/module-info.java
index 171281091..42d04a358 100644
--- a/commonmark-ext-image-attributes/src/main/java/module-info.java
+++ b/commonmark-ext-image-attributes/src/main/java/module-info.java
@@ -1,5 +1,5 @@
 module org.commonmark.ext.image.attributes {
     exports org.commonmark.ext.image.attributes;
 
-    requires org.commonmark;
+    requires transitive org.commonmark;
 }
diff --git a/commonmark-ext-ins/src/main/java/module-info.java b/commonmark-ext-ins/src/main/java/module-info.java
index aa5c5e84c..fb96ea598 100644
--- a/commonmark-ext-ins/src/main/java/module-info.java
+++ b/commonmark-ext-ins/src/main/java/module-info.java
@@ -1,5 +1,5 @@
 module org.commonmark.ext.ins {
     exports org.commonmark.ext.ins;
 
-    requires org.commonmark;
+    requires transitive org.commonmark;
 }
diff --git a/commonmark-ext-task-list-items/src/main/java/module-info.java b/commonmark-ext-task-list-items/src/main/java/module-info.java
index 30134c51b..9528323ea 100644
--- a/commonmark-ext-task-list-items/src/main/java/module-info.java
+++ b/commonmark-ext-task-list-items/src/main/java/module-info.java
@@ -1,5 +1,5 @@
 module org.commonmark.ext.task.list.items {
     exports org.commonmark.ext.task.list.items;
 
-    requires org.commonmark;
+    requires transitive org.commonmark;
 }
diff --git a/commonmark-ext-yaml-front-matter/src/main/java/module-info.java b/commonmark-ext-yaml-front-matter/src/main/java/module-info.java
index 20d38fe0a..5f96c14ad 100644
--- a/commonmark-ext-yaml-front-matter/src/main/java/module-info.java
+++ b/commonmark-ext-yaml-front-matter/src/main/java/module-info.java
@@ -1,5 +1,5 @@
 module org.commonmark.ext.front.matter {
     exports org.commonmark.ext.front.matter;
 
-    requires org.commonmark;
+    requires transitive org.commonmark;
 }

From 504f43c22da03fa09bab6f4b967dff9a5f9d1b6e Mon Sep 17 00:00:00 2001
From: Yang Dai <107718193+YangDai2003@users.noreply.github.com>
Date: Sat, 8 Feb 2025 17:08:25 +0100
Subject: [PATCH 368/450] Update README.md

Add Open Note to the "used by" list.
---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index dca939714..3bcbaffb9 100644
--- a/README.md
+++ b/README.md
@@ -450,6 +450,7 @@ Some users of this library (feel free to raise a PR if you want to be added):
 * [Gerrit](https://www.gerritcodereview.com/) code review/Gitiles ([link](https://gerrit-review.googlesource.com/c/gitiles/+/353794))
 * [Clerk](https://clerk.vision/) moldable live programming for Clojure
 * [Znai](https://github.com/testingisdocumenting/znai)
+* [Open Note](https://github.com/YangDai2003/OpenNote-Compose) a markdown editor and note-taking app for Android
 
 See also
 --------

From 762c2adba503e04947fd5c378de19484e13ac24e Mon Sep 17 00:00:00 2001
From: Andy Damevin <ia3andy@gmail.com>
Date: Thu, 13 Feb 2025 14:04:18 +0100
Subject: [PATCH 369/450] Add Quarkus Roq in "Used by"

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index dca939714..b86c782cf 100644
--- a/README.md
+++ b/README.md
@@ -450,6 +450,7 @@ Some users of this library (feel free to raise a PR if you want to be added):
 * [Gerrit](https://www.gerritcodereview.com/) code review/Gitiles ([link](https://gerrit-review.googlesource.com/c/gitiles/+/353794))
 * [Clerk](https://clerk.vision/) moldable live programming for Clojure
 * [Znai](https://github.com/testingisdocumenting/znai)
+* [Quarkus Roq](https://github.com/quarkiverse/quarkus-roq/) The Roq Static Site Generator allows to easily create a static website or blog using Quarkus super-powers.
 
 See also
 --------

From 7db535466a86298366d5657883f14413e7d2b15b Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 23 Mar 2025 22:23:43 +1100
Subject: [PATCH 370/450] MarkdownRenderer: Fix overriding of core rendering

---
 CHANGELOG.md                                  |  8 +++++
 .../internal/renderer/NodeRendererMap.java    |  3 ++
 .../renderer/markdown/MarkdownRenderer.java   |  8 ++---
 .../markdown/MarkdownRendererTest.java        | 35 +++++++++++++++++++
 4 files changed, 49 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fb412397f..62831d7b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [Unreleased]
+### Added
+### Changed
+### Fixed
+- `MarkdownRenderer`: Fix precedence for `nodeRendererFactory`: Factories passed
+  to the builder can now override rendering for core node types.
+
 ## [0.24.0] - 2024-10-21
 ### Added
 - `SourceSpan` on nodes now have a `getInputIndex` to get the index within the
@@ -459,6 +466,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
+[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.24.0...main
 [0.24.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.23.0...commonmark-parent-0.24.0
 [0.23.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.22.0...commonmark-parent-0.23.0
 [0.22.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.21.0...commonmark-parent-0.22.0
diff --git a/commonmark/src/main/java/org/commonmark/internal/renderer/NodeRendererMap.java b/commonmark/src/main/java/org/commonmark/internal/renderer/NodeRendererMap.java
index 95ac6ce46..c74f90758 100644
--- a/commonmark/src/main/java/org/commonmark/internal/renderer/NodeRendererMap.java
+++ b/commonmark/src/main/java/org/commonmark/internal/renderer/NodeRendererMap.java
@@ -13,6 +13,9 @@ public class NodeRendererMap {
     private final List<NodeRenderer> nodeRenderers = new ArrayList<>();
     private final Map<Class<? extends Node>, NodeRenderer> renderers = new HashMap<>(32);
 
+    /**
+     * Set the renderer for each {@link NodeRenderer#getNodeTypes()}, unless there was already a renderer set (first wins).
+     */
     public void add(NodeRenderer nodeRenderer) {
         nodeRenderers.add(nodeRenderer);
         for (var nodeType : nodeRenderer.getNodeTypes()) {
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
index 0f8559f32..e4996fb08 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/MarkdownRenderer.java
@@ -136,12 +136,10 @@ private RendererContext(MarkdownWriter writer) {
             }
             additionalTextEscapes = Collections.unmodifiableSet(escapes);
 
-            // The first node renderer for a node type "wins".
-            for (int i = nodeRendererFactories.size() - 1; i >= 0; i--) {
-                MarkdownNodeRendererFactory nodeRendererFactory = nodeRendererFactories.get(i);
+            for (var factory : nodeRendererFactories) {
                 // Pass in this as context here, which uses the fields set above
-                NodeRenderer nodeRenderer = nodeRendererFactory.create(this);
-                nodeRendererMap.add(nodeRenderer);
+                var renderer = factory.create(this);
+                nodeRendererMap.add(renderer);
             }
         }
 
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index c47a6dde0..36a5b528c 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -2,8 +2,14 @@
 
 import org.commonmark.node.*;
 import org.commonmark.parser.Parser;
+import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.renderer.html.HtmlNodeRendererContext;
+import org.commonmark.renderer.html.HtmlNodeRendererFactory;
+import org.commonmark.renderer.html.HtmlRenderer;
 import org.junit.Test;
 
+import java.util.Set;
+
 import static org.commonmark.testutil.Asserts.assertRendering;
 import static org.junit.Assert.assertEquals;
 
@@ -300,6 +306,35 @@ public void testSoftLineBreaks() {
         assertRoundTrip("foo\nbar\n");
     }
 
+    @Test
+    public void overrideNodeRender() {
+        var nodeRendererFactory = new MarkdownNodeRendererFactory() {
+            @Override
+            public NodeRenderer create(MarkdownNodeRendererContext context) {
+                return new NodeRenderer() {
+                    @Override
+                    public Set<Class<? extends Node>> getNodeTypes() {
+                        return Set.of(Heading.class);
+                    }
+
+                    @Override
+                    public void render(Node node) {
+                        context.getWriter().raw("# Custom heading");
+                    }
+                };
+            }
+
+            @Override
+            public Set<Character> getSpecialCharacters() {
+                return Set.of();
+            }
+        };
+
+        MarkdownRenderer renderer = MarkdownRenderer.builder().nodeRendererFactory(nodeRendererFactory).build();
+        String rendered = renderer.render(parse("# Hello"));
+        assertEquals("# Custom heading\n", rendered);
+    }
+
     private void assertRoundTrip(String input) {
         String rendered = parseAndRender(input);
         assertEquals(input, rendered);

From 5bb93e7b6fa5b79256f2b23bbb70eb28d12f3926 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 23 Mar 2025 22:49:19 +1100
Subject: [PATCH 371/450] Remove usage of requireNonNullElseGet (Android
 compat)

---
 commonmark/src/main/java/org/commonmark/parser/Parser.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 4d534cf72..b98d0581f 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -311,7 +311,11 @@ public Builder inlineParserFactory(InlineParserFactory inlineParserFactory) {
         }
 
         private InlineParserFactory getInlineParserFactory() {
-            return Objects.requireNonNullElseGet(inlineParserFactory, () -> InlineParserImpl::new);
+            if (inlineParserFactory != null) {
+                return inlineParserFactory;
+            } else {
+                return InlineParserImpl::new;
+            }
         }
     }
 

From 40f1fd5a0bb9fa7422272848da5d599582add766 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 23 Mar 2025 22:55:23 +1100
Subject: [PATCH 372/450] CHANGELOG

---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62831d7b7..2a1535e11 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,8 @@ with the exception that 0.x versions can break between minor versions.
 ### Fixed
 - `MarkdownRenderer`: Fix precedence for `nodeRendererFactory`: Factories passed
   to the builder can now override rendering for core node types.
+- Fix warning in Eclipse about "missing 'requires transitive'"
+- Fix Android incompatibility with `requireNonNullElseGet`
 
 ## [0.24.0] - 2024-10-21
 ### Added

From 245c3459374d57610d9001bd50a508783d23e32e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 23 Mar 2025 23:46:16 +1100
Subject: [PATCH 373/450] Add docs with examples to Node classes

---
 CHANGELOG.md                                         |  1 +
 .../main/java/org/commonmark/node/BlockQuote.java    | 10 ++++++++++
 .../main/java/org/commonmark/node/BulletList.java    | 12 ++++++++++++
 .../src/main/java/org/commonmark/node/Code.java      | 12 ++++++++++++
 .../main/java/org/commonmark/node/CustomBlock.java   |  3 +++
 .../main/java/org/commonmark/node/CustomNode.java    |  3 +++
 .../src/main/java/org/commonmark/node/Document.java  |  3 +++
 .../src/main/java/org/commonmark/node/Emphasis.java  |  8 ++++++++
 .../java/org/commonmark/node/FencedCodeBlock.java    | 12 ++++++++++++
 .../main/java/org/commonmark/node/HardLineBreak.java | 10 ++++++++++
 .../src/main/java/org/commonmark/node/Heading.java   | 12 ++++++++++++
 .../src/main/java/org/commonmark/node/Image.java     |  8 ++++++++
 .../java/org/commonmark/node/IndentedCodeBlock.java  | 12 ++++++++++++
 .../src/main/java/org/commonmark/node/Link.java      |  2 +-
 .../org/commonmark/node/LinkReferenceDefinition.java |  2 +-
 .../src/main/java/org/commonmark/node/ListBlock.java |  3 +++
 .../src/main/java/org/commonmark/node/ListItem.java  |  5 +++++
 .../main/java/org/commonmark/node/OrderedList.java   | 12 ++++++++++++
 .../src/main/java/org/commonmark/node/Paragraph.java |  2 ++
 .../main/java/org/commonmark/node/SoftLineBreak.java |  9 +++++++++
 .../java/org/commonmark/node/StrongEmphasis.java     |  8 ++++++++
 .../src/main/java/org/commonmark/node/Text.java      | 10 ++++++++++
 .../main/java/org/commonmark/node/ThematicBreak.java | 12 ++++++++++++
 23 files changed, 169 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a1535e11..0808edb72 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ with the exception that 0.x versions can break between minor versions.
 
 ## [Unreleased]
 ### Added
+- More documentation with examples for `Node` classes
 ### Changed
 ### Fixed
 - `MarkdownRenderer`: Fix precedence for `nodeRendererFactory`: Factories passed
diff --git a/commonmark/src/main/java/org/commonmark/node/BlockQuote.java b/commonmark/src/main/java/org/commonmark/node/BlockQuote.java
index 160f25ae2..f68252398 100644
--- a/commonmark/src/main/java/org/commonmark/node/BlockQuote.java
+++ b/commonmark/src/main/java/org/commonmark/node/BlockQuote.java
@@ -1,5 +1,15 @@
 package org.commonmark.node;
 
+/**
+ * A block quote, e.g.:
+ * <pre>
+ * &gt; Some quoted text
+ * </pre>
+ * <p>
+ * Note that child nodes are themselves blocks, e.g. {@link Paragraph}, {@link ListBlock} etc.
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#block-quotes">CommonMark Spec</a>
+ */
 public class BlockQuote extends Block {
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/node/BulletList.java b/commonmark/src/main/java/org/commonmark/node/BulletList.java
index 4d5c2a894..014f4d3b2 100644
--- a/commonmark/src/main/java/org/commonmark/node/BulletList.java
+++ b/commonmark/src/main/java/org/commonmark/node/BulletList.java
@@ -1,5 +1,17 @@
 package org.commonmark.node;
 
+/**
+ * A bullet list, e.g.:
+ * <pre>
+ * - One
+ * - Two
+ * - Three
+ * </pre>
+ * <p>
+ * The children are {@link ListItem} blocks, which contain other blocks (or nested lists).
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#list-items">CommonMark Spec: List items</a>
+ */
 public class BulletList extends ListBlock {
 
     private String marker;
diff --git a/commonmark/src/main/java/org/commonmark/node/Code.java b/commonmark/src/main/java/org/commonmark/node/Code.java
index 0b47ecb71..3b79e0c9c 100644
--- a/commonmark/src/main/java/org/commonmark/node/Code.java
+++ b/commonmark/src/main/java/org/commonmark/node/Code.java
@@ -1,5 +1,13 @@
 package org.commonmark.node;
 
+/**
+ * Inline code span, e.g.:
+ * <pre>
+ * Some `inline code`
+ * </pre>
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#code-spans">CommonMark Spec</a>
+ */
 public class Code extends Node {
 
     private String literal;
@@ -16,6 +24,10 @@ public void accept(Visitor visitor) {
         visitor.visit(this);
     }
 
+    /**
+     * @return the literal text in the code span (note that it's not necessarily the raw text between tildes,
+     * e.g. when spaces are stripped)
+     */
     public String getLiteral() {
         return literal;
     }
diff --git a/commonmark/src/main/java/org/commonmark/node/CustomBlock.java b/commonmark/src/main/java/org/commonmark/node/CustomBlock.java
index 6596ec1a0..cad88933a 100644
--- a/commonmark/src/main/java/org/commonmark/node/CustomBlock.java
+++ b/commonmark/src/main/java/org/commonmark/node/CustomBlock.java
@@ -1,5 +1,8 @@
 package org.commonmark.node;
 
+/**
+ * A block that extensions can subclass to define custom blocks (not part of the core specification).
+ */
 public abstract class CustomBlock extends Block {
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/node/CustomNode.java b/commonmark/src/main/java/org/commonmark/node/CustomNode.java
index a68e5cc11..88f0254da 100644
--- a/commonmark/src/main/java/org/commonmark/node/CustomNode.java
+++ b/commonmark/src/main/java/org/commonmark/node/CustomNode.java
@@ -1,5 +1,8 @@
 package org.commonmark.node;
 
+/**
+ * A node that extensions can subclass to define custom nodes (not part of the core specification).
+ */
 public abstract class CustomNode extends Node {
     @Override
     public void accept(Visitor visitor) {
diff --git a/commonmark/src/main/java/org/commonmark/node/Document.java b/commonmark/src/main/java/org/commonmark/node/Document.java
index 5b7e74189..b4968c206 100644
--- a/commonmark/src/main/java/org/commonmark/node/Document.java
+++ b/commonmark/src/main/java/org/commonmark/node/Document.java
@@ -1,5 +1,8 @@
 package org.commonmark.node;
 
+/**
+ * The root block of a document, containing the top-level blocks.
+ */
 public class Document extends Block {
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/node/Emphasis.java b/commonmark/src/main/java/org/commonmark/node/Emphasis.java
index 9877e7b63..5efc8c327 100644
--- a/commonmark/src/main/java/org/commonmark/node/Emphasis.java
+++ b/commonmark/src/main/java/org/commonmark/node/Emphasis.java
@@ -1,5 +1,13 @@
 package org.commonmark.node;
 
+/**
+ * Emphasis, e.g.:
+ * <pre>
+ * Some *emphasis* or _emphasis_
+ * </pre>
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#emphasis-and-strong-emphasis">CommonMark Spec: Emphasis and strong emphasis</a>
+ */
 public class Emphasis extends Node implements Delimited {
 
     private String delimiter;
diff --git a/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java b/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java
index 314c7457d..0e279a470 100644
--- a/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java
+++ b/commonmark/src/main/java/org/commonmark/node/FencedCodeBlock.java
@@ -1,5 +1,17 @@
 package org.commonmark.node;
 
+/**
+ * A fenced code block, e.g.:
+ * <pre>
+ * ```
+ * foo
+ * bar
+ * ```
+ * </pre>
+ * <p>
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#fenced-code-blocks">CommonMark Spec</a>
+ */
 public class FencedCodeBlock extends Block {
 
     private String fenceCharacter;
diff --git a/commonmark/src/main/java/org/commonmark/node/HardLineBreak.java b/commonmark/src/main/java/org/commonmark/node/HardLineBreak.java
index 0640fc3c4..28874ec01 100644
--- a/commonmark/src/main/java/org/commonmark/node/HardLineBreak.java
+++ b/commonmark/src/main/java/org/commonmark/node/HardLineBreak.java
@@ -1,5 +1,15 @@
 package org.commonmark.node;
 
+/**
+ * A hard line break, e.g.:
+ * <pre>
+ * line\
+ * break
+ * </pre>
+ * <p>
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#hard-line-breaks">CommonMark Spec</a>
+ */
 public class HardLineBreak extends Node {
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/node/Heading.java b/commonmark/src/main/java/org/commonmark/node/Heading.java
index 41f3b2504..5369d8739 100644
--- a/commonmark/src/main/java/org/commonmark/node/Heading.java
+++ b/commonmark/src/main/java/org/commonmark/node/Heading.java
@@ -1,5 +1,17 @@
 package org.commonmark.node;
 
+/**
+ * A heading, e.g.:
+ * <pre>
+ * First heading
+ * =============
+ *
+ * ## Another heading
+ * </pre>
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#atx-headings">CommonMark Spec: ATX headings</a>
+ * @see <a href="https://spec.commonmark.org/0.31.2/#setext-headings">CommonMark Spec: Setext headings</a>
+ */
 public class Heading extends Block {
 
     private int level;
diff --git a/commonmark/src/main/java/org/commonmark/node/Image.java b/commonmark/src/main/java/org/commonmark/node/Image.java
index 63481773a..1b31f6020 100644
--- a/commonmark/src/main/java/org/commonmark/node/Image.java
+++ b/commonmark/src/main/java/org/commonmark/node/Image.java
@@ -1,5 +1,13 @@
 package org.commonmark.node;
 
+/**
+ * An image, e.g.:
+ * <pre>
+ * ![foo](/url "title")
+ * </pre>
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#images">CommonMark Spec</a>
+ */
 public class Image extends Node {
 
     private String destination;
diff --git a/commonmark/src/main/java/org/commonmark/node/IndentedCodeBlock.java b/commonmark/src/main/java/org/commonmark/node/IndentedCodeBlock.java
index ccafca943..97642b7f3 100644
--- a/commonmark/src/main/java/org/commonmark/node/IndentedCodeBlock.java
+++ b/commonmark/src/main/java/org/commonmark/node/IndentedCodeBlock.java
@@ -1,5 +1,17 @@
 package org.commonmark.node;
 
+/**
+ * An indented code block, e.g.:
+ * <pre><code>
+ * Code follows:
+ *
+ *     foo
+ *     bar
+ * </code></pre>
+ * <p>
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#indented-code-blocks">CommonMark Spec</a>
+ */
 public class IndentedCodeBlock extends Block {
 
     private String literal;
diff --git a/commonmark/src/main/java/org/commonmark/node/Link.java b/commonmark/src/main/java/org/commonmark/node/Link.java
index 6341fed13..4edc7f676 100644
--- a/commonmark/src/main/java/org/commonmark/node/Link.java
+++ b/commonmark/src/main/java/org/commonmark/node/Link.java
@@ -18,7 +18,7 @@
  * Note that the text in the link can contain inline formatting, so it could also contain an {@link Image} or
  * {@link Emphasis}, etc.
  *
- * @see <a href="http://spec.commonmark.org/0.31.2/#links">CommonMark Spec for links</a>
+ * @see <a href="http://spec.commonmark.org/0.31.2/#links">CommonMark Spec</a>
  */
 public class Link extends Node {
 
diff --git a/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java b/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java
index 412a3c38d..b866781f0 100644
--- a/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java
+++ b/commonmark/src/main/java/org/commonmark/node/LinkReferenceDefinition.java
@@ -9,7 +9,7 @@
  * They can be referenced anywhere else in the document to produce a link using <code>[foo]</code>. The definitions
  * themselves are usually not rendered in the final output.
  *
- * @see <a href="https://spec.commonmark.org/0.31.2/#link-reference-definition">Link reference definitions</a>
+ * @see <a href="https://spec.commonmark.org/0.31.2/#link-reference-definition">CommonMark Spec</a>
  */
 public class LinkReferenceDefinition extends Block {
 
diff --git a/commonmark/src/main/java/org/commonmark/node/ListBlock.java b/commonmark/src/main/java/org/commonmark/node/ListBlock.java
index 1a7c8b2fd..1290bc622 100644
--- a/commonmark/src/main/java/org/commonmark/node/ListBlock.java
+++ b/commonmark/src/main/java/org/commonmark/node/ListBlock.java
@@ -1,5 +1,8 @@
 package org.commonmark.node;
 
+/**
+ * A list block like {@link BulletList} or {@link OrderedList}.
+ */
 public abstract class ListBlock extends Block {
 
     private boolean tight;
diff --git a/commonmark/src/main/java/org/commonmark/node/ListItem.java b/commonmark/src/main/java/org/commonmark/node/ListItem.java
index 4e63b6145..e488e8fbe 100644
--- a/commonmark/src/main/java/org/commonmark/node/ListItem.java
+++ b/commonmark/src/main/java/org/commonmark/node/ListItem.java
@@ -1,5 +1,10 @@
 package org.commonmark.node;
 
+/**
+ * A child of a {@link ListBlock}, containing other blocks (e.g. {@link Paragraph}, other lists, etc).
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#list-items">CommonMark Spec: List items</a>
+ */
 public class ListItem extends Block {
 
     private Integer markerIndent;
diff --git a/commonmark/src/main/java/org/commonmark/node/OrderedList.java b/commonmark/src/main/java/org/commonmark/node/OrderedList.java
index 0bbe09917..61f8902c0 100644
--- a/commonmark/src/main/java/org/commonmark/node/OrderedList.java
+++ b/commonmark/src/main/java/org/commonmark/node/OrderedList.java
@@ -1,5 +1,17 @@
 package org.commonmark.node;
 
+/**
+ * An ordered list, e.g.:
+ * <pre><code>
+ * 1. One
+ * 2. Two
+ * 3. Three
+ * </code></pre>
+ * <p>
+ * The children are {@link ListItem} blocks, which contain other blocks (or nested lists).
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#list-items">CommonMark Spec: List items</a>
+ */
 public class OrderedList extends ListBlock {
 
     private String markerDelimiter;
diff --git a/commonmark/src/main/java/org/commonmark/node/Paragraph.java b/commonmark/src/main/java/org/commonmark/node/Paragraph.java
index 176eaaa76..b298f1ce4 100644
--- a/commonmark/src/main/java/org/commonmark/node/Paragraph.java
+++ b/commonmark/src/main/java/org/commonmark/node/Paragraph.java
@@ -2,6 +2,8 @@
 
 /**
  * A paragraph block, contains inline nodes such as {@link Text}
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#paragraphs">CommonMark Spec</a>
  */
 public class Paragraph extends Block {
 
diff --git a/commonmark/src/main/java/org/commonmark/node/SoftLineBreak.java b/commonmark/src/main/java/org/commonmark/node/SoftLineBreak.java
index e66458912..87445db56 100644
--- a/commonmark/src/main/java/org/commonmark/node/SoftLineBreak.java
+++ b/commonmark/src/main/java/org/commonmark/node/SoftLineBreak.java
@@ -1,5 +1,14 @@
 package org.commonmark.node;
 
+/**
+ * A soft line break (as opposed to a {@link HardLineBreak}), e.g. between:
+ * <pre>
+ * foo
+ * bar
+ * </pre>
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#soft-line-breaks">CommonMark Spec</a>
+ */
 public class SoftLineBreak extends Node {
 
     @Override
diff --git a/commonmark/src/main/java/org/commonmark/node/StrongEmphasis.java b/commonmark/src/main/java/org/commonmark/node/StrongEmphasis.java
index dbff571cd..0dbeed3df 100644
--- a/commonmark/src/main/java/org/commonmark/node/StrongEmphasis.java
+++ b/commonmark/src/main/java/org/commonmark/node/StrongEmphasis.java
@@ -1,5 +1,13 @@
 package org.commonmark.node;
 
+/**
+ * Strong emphasis, e.g.:
+ * <pre><code>
+ * Some **strong emphasis** or __strong emphasis__
+ * </code></pre>
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#emphasis-and-strong-emphasis">CommonMark Spec: Emphasis and strong emphasis</a>
+ */
 public class StrongEmphasis extends Node implements Delimited {
 
     private String delimiter;
diff --git a/commonmark/src/main/java/org/commonmark/node/Text.java b/commonmark/src/main/java/org/commonmark/node/Text.java
index f16fc907b..9a04c41c1 100644
--- a/commonmark/src/main/java/org/commonmark/node/Text.java
+++ b/commonmark/src/main/java/org/commonmark/node/Text.java
@@ -1,5 +1,15 @@
 package org.commonmark.node;
 
+/**
+ * A text node, e.g. in:
+ * <pre>
+ * foo *bar*
+ * </pre>
+ * <p>
+ * The <code>foo </code> is a text node, and the <code>bar</code> inside the emphasis is also a text node.
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#textual-content">CommonMark Spec</a>
+ */
 public class Text extends Node {
 
     private String literal;
diff --git a/commonmark/src/main/java/org/commonmark/node/ThematicBreak.java b/commonmark/src/main/java/org/commonmark/node/ThematicBreak.java
index 836f8dfa1..a31131e07 100644
--- a/commonmark/src/main/java/org/commonmark/node/ThematicBreak.java
+++ b/commonmark/src/main/java/org/commonmark/node/ThematicBreak.java
@@ -1,5 +1,17 @@
 package org.commonmark.node;
 
+/**
+ * A thematic break, e.g. between text:
+ * <pre>
+ * Some text
+ *
+ * ___
+ *
+ * Some other text.
+ * </pre>
+ *
+ * @see <a href="https://spec.commonmark.org/0.31.2/#thematic-breaks">CommonMark Spec</a>
+ */
 public class ThematicBreak extends Block {
 
     private String literal;

From df70419317a74fd0275a4055bde7b3d7d3f1af9b Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 7 Jun 2025 17:40:10 +1000
Subject: [PATCH 374/450] Bump autolink to 0.12.0

https://github.com/robinst/autolink-java/blob/main/CHANGELOG.md#0120---2025-06-04
---
 commonmark-ext-autolink/pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index c2f9bf438..7f6a5cbc3 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -12,7 +12,7 @@
     <description>commonmark-java extension for turning plain URLs and email addresses into links</description>
 
     <properties>
-        <autolink.version>0.11.0</autolink.version>
+        <autolink.version>0.12.0</autolink.version>
     </properties>
 
     <dependencies>

From b79b949c105e783fa3e100de900c17e863704c4d Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 7 Jun 2025 17:43:11 +1000
Subject: [PATCH 375/450] CI: Test on Java 24 instead of 23

---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 24160d342..e94dabbba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [11, 17, 21, 23]
+        java: [11, 17, 21, 24]
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4

From 71b5148d33dff4b9b671c46cbac7f5cb1bd16dcb Mon Sep 17 00:00:00 2001
From: Zac Spitzer <zac.spitzer@gmail.com>
Date: Sun, 19 Jan 2025 00:04:13 +0100
Subject: [PATCH 376/450] add osgi headers via maven-bundle-plugin

---
 commonmark-ext-autolink/pom.xml          |  9 ++++++
 commonmark-ext-footnotes/pom.xml         |  9 ++++++
 commonmark-ext-gfm-strikethrough/pom.xml |  9 ++++++
 commonmark-ext-gfm-tables/pom.xml        |  9 ++++++
 commonmark-ext-heading-anchor/pom.xml    |  9 ++++++
 commonmark-ext-image-attributes/pom.xml  |  9 ++++++
 commonmark-ext-ins/pom.xml               |  9 ++++++
 commonmark-ext-task-list-items/pom.xml   |  9 ++++++
 commonmark-ext-yaml-front-matter/pom.xml |  9 ++++++
 commonmark/pom.xml                       |  9 ++++++
 pom.xml                                  | 36 ++++++++++++++++++++++++
 11 files changed, 126 insertions(+)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 7f6a5cbc3..b471e2e81 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -33,4 +33,13 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
 </project>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index d34e4e2f9..09b09935d 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -24,4 +24,13 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
 </project>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 1fd1269bf..23d93fa97 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -24,4 +24,13 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
 </project>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index d261a1d24..fc3f7957c 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -23,5 +23,14 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
+ 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
 
 </project>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index e4a62b2b3..b63b36472 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -23,5 +23,14 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
+ 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
 
 </project>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 55b0dce20..cbf102b8d 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -24,4 +24,13 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
 </project>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 9dbe2cf06..7af326271 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -24,4 +24,13 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
 </project>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 3926c8b5e..62fd974f5 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -24,4 +24,13 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
 </project>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 9e329e0d3..adff7d718 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -24,4 +24,13 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
 </project>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 17f3bc747..4ffd0ba95 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -54,6 +54,15 @@
         </profile>
     </profiles>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
     <licenses>
         <license>
             <name>BSD-2-Clause</name>
diff --git a/pom.xml b/pom.xml
index 031869f6e..51583df21 100644
--- a/pom.xml
+++ b/pom.xml
@@ -76,6 +76,42 @@
                     <artifactId>maven-surefire-plugin</artifactId>
                     <version>3.2.5</version>
                 </plugin>
+                <plugin>
+                    <groupId>org.apache.felix</groupId>
+                    <artifactId>maven-bundle-plugin</artifactId>
+                    <version>6.0.0</version>
+                    <configuration>
+                        <supportedProjectTypes>
+                            <supportedProjectType>jar</supportedProjectType>
+                            <supportedProjectType>bundle</supportedProjectType>
+                        </supportedProjectTypes>
+                        <instructions>
+                            <Import-Package>
+                                org.commonmark.*;-split-package:=merge-first
+                            </Import-Package>
+                            <Export-Package>
+                                {local-packages}
+                            </Export-Package>
+                        </instructions>
+                    </configuration>
+                    <executions>
+                        <execution>
+                            <id>manifest</id>
+                            <goals>
+                                <goal>manifest</goal>
+                            </goals>
+                            <configuration>
+                                <supportIncrementalBuild>true</supportIncrementalBuild>
+                            </configuration>
+                        </execution>
+                        <execution>
+                            <id>bundle</id>
+                            <goals>
+                                <goal>bundle</goal>
+                            </goals>
+                        </execution>
+                    </executions>
+                </plugin>
             </plugins>
         </pluginManagement>
 

From e811c5cef0fbac91d25e581d75252f4bf99623aa Mon Sep 17 00:00:00 2001
From: Zac Spitzer <zac.spitzer@gmail.com>
Date: Sun, 19 Jan 2025 10:26:46 +0100
Subject: [PATCH 377/450] downgrade maven-bundle-plugin to 5.1.9 as 6 requires
 java 17

---
 pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index 51583df21..eea051811 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,7 +79,7 @@
                 <plugin>
                     <groupId>org.apache.felix</groupId>
                     <artifactId>maven-bundle-plugin</artifactId>
-                    <version>6.0.0</version>
+                    <version>5.1.9</version>
                     <configuration>
                         <supportedProjectTypes>
                             <supportedProjectType>jar</supportedProjectType>

From 4e625178708118036b28ebee80d6520ebfe4b5d0 Mon Sep 17 00:00:00 2001
From: Zac Spitzer <zac.spitzer@gmail.com>
Date: Sun, 19 Jan 2025 10:34:34 +0100
Subject: [PATCH 378/450] Add Lucee to README used by list

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 7660cc50c..73e69d9df 100644
--- a/README.md
+++ b/README.md
@@ -452,6 +452,7 @@ Some users of this library (feel free to raise a PR if you want to be added):
 * [Znai](https://github.com/testingisdocumenting/znai)
 * [Open Note](https://github.com/YangDai2003/OpenNote-Compose) a markdown editor and note-taking app for Android
 * [Quarkus Roq](https://github.com/quarkiverse/quarkus-roq/) The Roq Static Site Generator allows to easily create a static website or blog using Quarkus super-powers.
+* [Lucee](https://github.com/lucee/lucee)
 
 See also
 --------

From 5fb452d97a7eb818ffad8f54a9ee3b2ef0577669 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 7 Jun 2025 17:48:46 +1000
Subject: [PATCH 379/450] Simplify maven-bundle-plugin setup

The only downside to defining it in `<plugins>` in the parent pom
is that there's a warning when running the plugin on the parent pom:

    [INFO] --- bundle:5.1.9:manifest (bundle-manifest) @ commonmark-parent ---
    [WARNING] Ignoring project type pom - supportedProjectTypes = [jar, bundle]

The upside is we don't have to remember to put the plugin into all the poms.

The configuration is as recommended here:
https://felix.apache.org/documentation/subprojects/apache-felix-maven-bundle-plugin-bnd.html#_adding_osgi_metadata_to_existing_projects_without_changing_the_packaging_type

Compared to the previous one, the only differences are:
- Import-Package adds imports for java packages, which seems to be recommended,
  see https://github.com/bndtools/bnd/issues/2507
- Import-Package of own packages that were exported (e.g. org.commonmark in core)
  don't have the version number, not sure what's recommended there
---
 commonmark-ext-autolink/pom.xml          |  9 ----
 commonmark-ext-footnotes/pom.xml         |  9 ----
 commonmark-ext-gfm-strikethrough/pom.xml |  9 ----
 commonmark-ext-gfm-tables/pom.xml        |  9 ----
 commonmark-ext-heading-anchor/pom.xml    |  9 ----
 commonmark-ext-image-attributes/pom.xml  |  9 ----
 commonmark-ext-ins/pom.xml               |  9 ----
 commonmark-ext-task-list-items/pom.xml   |  9 ----
 commonmark-ext-yaml-front-matter/pom.xml |  9 ----
 commonmark/pom.xml                       |  9 ----
 pom.xml                                  | 56 +++++++++---------------
 11 files changed, 20 insertions(+), 126 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index b471e2e81..7f6a5cbc3 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -33,13 +33,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 09b09935d..d34e4e2f9 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -24,13 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 23d93fa97..1fd1269bf 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -24,13 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index fc3f7957c..d261a1d24 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -23,14 +23,5 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
- 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
 
 </project>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index b63b36472..e4a62b2b3 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -23,14 +23,5 @@
             <scope>test</scope>
         </dependency>
     </dependencies>
- 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
 
 </project>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index cbf102b8d..55b0dce20 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -24,13 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 7af326271..9dbe2cf06 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -24,13 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 62fd974f5..3926c8b5e 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -24,13 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index adff7d718..9e329e0d3 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -24,13 +24,4 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
-
 </project>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 4ffd0ba95..17f3bc747 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -54,15 +54,6 @@
         </profile>
     </profiles>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-            </plugin>
-        </plugins>
-    </build>
-
     <licenses>
         <license>
             <name>BSD-2-Clause</name>
diff --git a/pom.xml b/pom.xml
index eea051811..29ca4ead2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,6 +48,11 @@
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-jar-plugin</artifactId>
                     <version>3.4.1</version>
+                    <configuration>
+                        <archive>
+                            <manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
+                        </archive>
+                    </configuration>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
@@ -76,42 +81,6 @@
                     <artifactId>maven-surefire-plugin</artifactId>
                     <version>3.2.5</version>
                 </plugin>
-                <plugin>
-                    <groupId>org.apache.felix</groupId>
-                    <artifactId>maven-bundle-plugin</artifactId>
-                    <version>5.1.9</version>
-                    <configuration>
-                        <supportedProjectTypes>
-                            <supportedProjectType>jar</supportedProjectType>
-                            <supportedProjectType>bundle</supportedProjectType>
-                        </supportedProjectTypes>
-                        <instructions>
-                            <Import-Package>
-                                org.commonmark.*;-split-package:=merge-first
-                            </Import-Package>
-                            <Export-Package>
-                                {local-packages}
-                            </Export-Package>
-                        </instructions>
-                    </configuration>
-                    <executions>
-                        <execution>
-                            <id>manifest</id>
-                            <goals>
-                                <goal>manifest</goal>
-                            </goals>
-                            <configuration>
-                                <supportIncrementalBuild>true</supportIncrementalBuild>
-                            </configuration>
-                        </execution>
-                        <execution>
-                            <id>bundle</id>
-                            <goals>
-                                <goal>bundle</goal>
-                            </goals>
-                        </execution>
-                    </executions>
-                </plugin>
             </plugins>
         </pluginManagement>
 
@@ -139,6 +108,21 @@
                     <goals>deploy</goals>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+                <!-- 6.0.0 requires Java 17+ (currently on Java 11) -->
+                <version>5.1.9</version>
+                <executions>
+                    <execution>
+                        <id>bundle-manifest</id>
+                        <phase>process-classes</phase>
+                        <goals>
+                            <goal>manifest</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 

From 664627727f1abe8f73f85391a659a0a17ea055ee Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 15 Jun 2025 21:19:02 +1000
Subject: [PATCH 380/450] Upgrade to JUnit 5 and AssertJ

---
 .../commonmark/ext/autolink/AutolinkTest.java |  44 +++---
 .../footnotes/FootnoteHtmlRendererTest.java   |   2 +-
 .../FootnoteMarkdownRendererTest.java         |   6 +-
 .../ext/footnotes/FootnotesTest.java          |  87 ++++++------
 .../StrikethroughMarkdownRendererTest.java    |   6 +-
 .../strikethrough/StrikethroughSpecTest.java  |  23 ++--
 .../gfm/strikethrough/StrikethroughTest.java  |  15 +--
 .../gfm/tables/TableMarkdownRendererTest.java |   6 +-
 .../ext/gfm/tables/TablesSpecTest.java        |  23 ++--
 .../commonmark/ext/gfm/tables/TablesTest.java |  63 +++++----
 .../ext/gfm/tables/TablesTextContentTest.java |   2 +-
 .../HeadingAnchorConfigurationTest.java       |  13 +-
 .../ext/heading/anchor/HeadingAnchorTest.java |   2 +-
 .../image/attributes/ImageAttributesTest.java |   7 +-
 .../ext/ins/InsMarkdownRendererTest.java      |   6 +-
 .../java/org/commonmark/ext/ins/InsTest.java  |  13 +-
 .../task/list/items/TaskListItemsTest.java    |   2 +-
 .../ext/front/matter/YamlFrontMatterTest.java | 109 ++++++++-------
 .../integration/BoundsIntegrationTest.java    |  33 ++---
 .../ExtensionsIntegrationTest.java            |   2 +-
 .../MarkdownRendererIntegrationTest.java      |   6 +-
 .../SourceSpanIntegrationTest.java            |   4 -
 .../integration/SpecIntegrationTest.java      |   6 +-
 commonmark-test-util/pom.xml                  |   8 +-
 .../src/main/java/module-info.java            |   3 +-
 .../java/org/commonmark/testutil/Asserts.java |   4 +-
 .../testutil/RenderingTestCase.java           |   2 +
 .../org/commonmark/testutil/SpecTestCase.java |  28 ++--
 .../testutil/example/ExampleReader.java       |  15 +--
 .../internal/DocumentParserTest.java          |  20 ++-
 .../LinkReferenceDefinitionParserTest.java    | 104 +++++++--------
 .../internal/util/EscapingTest.java           |  26 ++--
 .../internal/util/LineReaderTest.java         |  24 ++--
 .../parser/InlineContentParserTest.java       |  36 +++--
 .../parser/beta/LinkProcessorTest.java        |  13 +-
 .../commonmark/parser/beta/ScannerTest.java   |  94 ++++++-------
 .../markdown/MarkdownRendererTest.java        |  15 +--
 .../markdown/SpecMarkdownRendererTest.java    |  10 +-
 .../commonmark/test/AbstractVisitorTest.java  |  11 +-
 .../org/commonmark/test/DelimitedTest.java    |  22 +--
 .../test/DelimiterProcessorTest.java          |  24 ++--
 .../test/FencedCodeBlockParserTest.java       |   8 +-
 .../commonmark/test/HeadingParserTest.java    |   2 +-
 .../commonmark/test/HtmlInlineParserTest.java |   2 +-
 .../org/commonmark/test/HtmlRendererTest.java | 125 ++++++++----------
 .../test/InlineParserContextTest.java         |   8 +-
 .../test/LinkReferenceDefinitionNodeTest.java |  66 +++++----
 .../commonmark/test/ListBlockParserTest.java  |   8 +-
 .../commonmark/test/ListTightLooseTest.java   |   2 +-
 .../java/org/commonmark/test/ParserTest.java  |  69 +++++-----
 .../org/commonmark/test/PathologicalTest.java |  25 +---
 .../org/commonmark/test/RegressionTest.java   |  31 ++---
 .../org/commonmark/test/SourceLineTest.java   |  19 +--
 .../org/commonmark/test/SourceSpanTest.java   |  71 +++++-----
 .../org/commonmark/test/SourceSpansTest.java  |  68 +++++-----
 .../org/commonmark/test/SpecCoreTest.java     |   8 +-
 .../org/commonmark/test/SpecCrLfCoreTest.java |   6 +-
 .../org/commonmark/test/SpecialInputTest.java |   2 +-
 .../test/TextContentRendererTest.java         |   2 +-
 .../test/TextContentWriterTest.java           |  14 +-
 .../test/ThematicBreakParserTest.java         |   6 +-
 .../org/commonmark/test/UsageExampleTest.java |  29 ++--
 .../org/commonmark/text/CharactersTest.java   |  19 ++-
 pom.xml                                       |  13 +-
 64 files changed, 727 insertions(+), 815 deletions(-)

diff --git a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
index 67fd69abe..338513f33 100644
--- a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
+++ b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
@@ -6,13 +6,12 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.List;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class AutolinkTest extends RenderingTestCase {
 
@@ -71,44 +70,37 @@ public void sourceSpans() {
 
         Paragraph paragraph = (Paragraph) document.getFirstChild();
         Text abc = (Text) paragraph.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 3)),
-                abc.getSourceSpans());
+        assertThat(abc.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 3)));
 
-        assertTrue(abc.getNext() instanceof SoftLineBreak);
+        assertThat(abc.getNext()).isInstanceOf(SoftLineBreak.class);
 
         Link one = (Link) abc.getNext().getNext();
-        assertEquals("http://example.com/one", one.getDestination());
-        assertEquals(List.of(SourceSpan.of(1, 0, 4, 22)),
-                one.getSourceSpans());
+        assertThat(one.getDestination()).isEqualTo("http://example.com/one");
+        assertThat(one.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(1, 0, 4, 22)));
 
-        assertTrue(one.getNext() instanceof SoftLineBreak);
+        assertThat(one.getNext()).isInstanceOf(SoftLineBreak.class);
 
         Text def = (Text) one.getNext().getNext();
-        assertEquals("def ", def.getLiteral());
-        assertEquals(List.of(SourceSpan.of(2, 0, 27, 4)),
-                def.getSourceSpans());
+        assertThat(def.getLiteral()).isEqualTo("def ");
+        assertThat(def.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(2, 0, 27, 4)));
 
         Link two = (Link) def.getNext();
-        assertEquals("http://example.com/two", two.getDestination());
-        assertEquals(List.of(SourceSpan.of(2, 4, 31, 22)),
-                two.getSourceSpans());
+        assertThat(two.getDestination()).isEqualTo("http://example.com/two");
+        assertThat(two.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(2, 4, 31, 22)));
 
-        assertTrue(two.getNext() instanceof SoftLineBreak);
+        assertThat(two.getNext()).isInstanceOf(SoftLineBreak.class);
 
         Text ghi = (Text) two.getNext().getNext();
-        assertEquals("ghi ", ghi.getLiteral());
-        assertEquals(List.of(SourceSpan.of(3, 0, 54, 4)),
-                ghi.getSourceSpans());
+        assertThat(ghi.getLiteral()).isEqualTo("ghi ");
+        assertThat(ghi.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(3, 0, 54, 4)));
 
         Link three = (Link) ghi.getNext();
-        assertEquals("http://example.com/three", three.getDestination());
-        assertEquals(List.of(SourceSpan.of(3, 4, 58, 24)),
-                three.getSourceSpans());
+        assertThat(three.getDestination()).isEqualTo("http://example.com/three");
+        assertThat(three.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(3, 4, 58, 24)));
 
         Text jkl = (Text) three.getNext();
-        assertEquals(" jkl", jkl.getLiteral());
-        assertEquals(List.of(SourceSpan.of(3, 28, 82, 4)),
-                jkl.getSourceSpans());
+        assertThat(jkl.getLiteral()).isEqualTo(" jkl");
+        assertThat(jkl.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(3, 28, 82, 4)));
     }
 
     @Override
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
index ce5fdd51a..bc7d4f74c 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteHtmlRendererTest.java
@@ -8,7 +8,7 @@
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.Asserts;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.List;
 import java.util.Set;
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
index 9d567ece2..be3af6715 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
@@ -4,11 +4,11 @@
 import org.commonmark.node.Node;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.markdown.MarkdownRenderer;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class FootnoteMarkdownRendererTest {
     private static final Set<Extension> EXTENSIONS = Set.of(FootnotesExtension.builder().inlineFootnotes(true).build());
@@ -43,7 +43,7 @@ public void testInline() {
 
     private void assertRoundTrip(String input) {
         String rendered = parseAndRender(input);
-        assertEquals(input, rendered);
+        assertThat(rendered).isEqualTo(input);
     }
 
     private String parseAndRender(String source) {
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index bef6d89cb..3fa726d8f 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -4,15 +4,14 @@
 import org.commonmark.node.*;
 import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class FootnotesTest {
 
@@ -24,13 +23,13 @@ public void testDefBlockStart() {
         for (var s : List.of("1", "a", "^", "*", "\\a", "\uD83D\uDE42", "&0")) {
             var doc = PARSER.parse("[^" + s + "]: footnote\n");
             var def = find(doc, FootnoteDefinition.class);
-            assertEquals(s, def.getLabel());
+            assertThat(def.getLabel()).isEqualTo(s);
         }
 
         for (var s : List.of("", " ", "a b", "]", "\r", "\n", "\t")) {
             var input = "[^" + s + "]: footnote\n";
             var doc = PARSER.parse(input);
-            assertNull("input: " + input, tryFind(doc, FootnoteDefinition.class));
+            assertThat(tryFind(doc, FootnoteDefinition.class)).as("input: " + input).isNull();
         }
     }
 
@@ -40,24 +39,24 @@ public void testDefBlockStartInterrupts() {
         var doc = PARSER.parse("test\n[^1]: footnote\n");
         var paragraph = find(doc, Paragraph.class);
         var def = find(doc, FootnoteDefinition.class);
-        assertEquals("test", ((Text) paragraph.getLastChild()).getLiteral());
-        assertEquals("1", def.getLabel());
+        assertThat(((Text) paragraph.getLastChild()).getLiteral()).isEqualTo("test");
+        assertThat(def.getLabel()).isEqualTo("1");
     }
 
     @Test
     public void testDefBlockStartIndented() {
         var doc1 = PARSER.parse("   [^1]: footnote\n");
-        assertEquals("1", find(doc1, FootnoteDefinition.class).getLabel());
+        assertThat(find(doc1, FootnoteDefinition.class).getLabel()).isEqualTo("1");
         var doc2 = PARSER.parse("    [^1]: footnote\n");
-        assertNull(tryFind(doc2, FootnoteDefinition.class));
+        assertNone(doc2, FootnoteDefinition.class);
     }
 
     @Test
     public void testDefMultiple() {
         var doc = PARSER.parse("[^1]: foo\n[^2]: bar\n");
         var defs = findAll(doc, FootnoteDefinition.class);
-        assertEquals("1", defs.get(0).getLabel());
-        assertEquals("2", defs.get(1).getLabel());
+        assertThat(defs.get(0).getLabel()).isEqualTo("1");
+        assertThat(defs.get(1).getLabel()).isEqualTo("2");
     }
 
     @Test
@@ -65,8 +64,8 @@ public void testDefBlockStartAfterLinkReferenceDefinition() {
         var doc = PARSER.parse("[foo]: /url\n[^1]: footnote\n");
         var linkReferenceDef = find(doc, LinkReferenceDefinition.class);
         var footnotesDef = find(doc, FootnoteDefinition.class);
-        assertEquals("foo", linkReferenceDef.getLabel());
-        assertEquals("1", footnotesDef.getLabel());
+        assertThat(linkReferenceDef.getLabel()).isEqualTo("foo");
+        assertThat(footnotesDef.getLabel()).isEqualTo("1");
     }
 
     @Test
@@ -90,14 +89,14 @@ public void testDefContainsIndentedCodeBlock() {
         var doc = PARSER.parse("[^1]:\n        code\n");
         var def = find(doc, FootnoteDefinition.class);
         var codeBlock = (IndentedCodeBlock) def.getFirstChild();
-        assertEquals("code\n", codeBlock.getLiteral());
+        assertThat(codeBlock.getLiteral()).isEqualTo("code\n");
     }
 
     @Test
     public void testDefContainsMultipleLines() {
         var doc = PARSER.parse("[^1]: footnote\nstill\n");
         var def = find(doc, FootnoteDefinition.class);
-        assertEquals("1", def.getLabel());
+        assertThat(def.getLabel()).isEqualTo("1");
         var paragraph = (Paragraph) def.getFirstChild();
         assertText("footnote", paragraph.getFirstChild());
         assertText("still", paragraph.getLastChild());
@@ -107,7 +106,7 @@ public void testDefContainsMultipleLines() {
     public void testDefContainsList() {
         var doc = PARSER.parse("[^1]: - foo\n    - bar\n");
         var def = find(doc, FootnoteDefinition.class);
-        assertEquals("1", def.getLabel());
+        assertThat(def.getLabel()).isEqualTo("1");
         var list = (BulletList) def.getFirstChild();
         var item1 = (ListItem) list.getFirstChild();
         var item2 = (ListItem) list.getLastChild();
@@ -120,7 +119,7 @@ public void testDefInterruptedByOthers() {
         var doc = PARSER.parse("[^1]: footnote\n# Heading\n");
         var def = find(doc, FootnoteDefinition.class);
         var heading = find(doc, Heading.class);
-        assertEquals("1", def.getLabel());
+        assertThat(def.getLabel()).isEqualTo("1");
         assertText("Heading", heading.getFirstChild());
     }
 
@@ -128,13 +127,13 @@ public void testDefInterruptedByOthers() {
     public void testReference() {
         var doc = PARSER.parse("Test [^foo]\n\n[^foo]: /url\n");
         var ref = find(doc, FootnoteReference.class);
-        assertEquals("foo", ref.getLabel());
+        assertThat(ref.getLabel()).isEqualTo("foo");
     }
 
     @Test
     public void testReferenceNoDefinition() {
         var doc = PARSER.parse("Test [^foo]\n");
-        assertNull(tryFind(doc, FootnoteReference.class));
+        assertNone(doc, FootnoteReference.class);
     }
 
     @Test
@@ -142,13 +141,13 @@ public void testRefWithEmphasisInside() {
         // No emphasis inside footnote reference, should just be treated as text
         var doc = PARSER.parse("Test [^*foo*]\n\n[^*foo*]: def\n");
         var ref = find(doc, FootnoteReference.class);
-        assertEquals("*foo*", ref.getLabel());
-        assertNull(ref.getFirstChild());
+        assertThat(ref.getLabel()).isEqualTo("*foo*");
+        assertThat(ref.getFirstChild()).isNull();
         var paragraph = doc.getFirstChild();
         var text = (Text) paragraph.getFirstChild();
-        assertEquals("Test ", text.getLiteral());
-        assertEquals(ref, text.getNext());
-        assertEquals(ref, paragraph.getLastChild());
+        assertThat(text.getLiteral()).isEqualTo("Test ");
+        assertThat(text.getNext()).isEqualTo(ref);
+        assertThat(paragraph.getLastChild()).isEqualTo(ref);
     }
 
     @Test
@@ -156,18 +155,18 @@ public void testRefWithEmphasisAround() {
         // Emphasis around footnote reference, the * inside needs to be removed from emphasis processing
         var doc = PARSER.parse("Test *abc [^foo*] def*\n\n[^foo*]: def\n");
         var ref = find(doc, FootnoteReference.class);
-        assertEquals("foo*", ref.getLabel());
+        assertThat(ref.getLabel()).isEqualTo("foo*");
         assertText("abc ", ref.getPrevious());
         assertText(" def", ref.getNext());
         var em = find(doc, Emphasis.class);
-        assertEquals(em, ref.getParent());
+        assertThat(ref.getParent()).isEqualTo(em);
     }
 
     @Test
     public void testRefAfterBang() {
         var doc = PARSER.parse("Test![^foo]\n\n[^foo]: def\n");
         var ref = find(doc, FootnoteReference.class);
-        assertEquals("foo", ref.getLabel());
+        assertThat(ref.getLabel()).isEqualTo("foo");
         var paragraph = doc.getFirstChild();
         assertText("Test!", paragraph.getFirstChild());
     }
@@ -178,7 +177,7 @@ public void testRefAsLabelOnly() {
         // resolve as footnotes. If `[foo][^bar]` fails to parse as a bracket, `[^bar]` by itself needs to be tried.
         var doc = PARSER.parse("Test [foo][^bar]\n\n[^bar]: footnote\n");
         var ref = find(doc, FootnoteReference.class);
-        assertEquals("bar", ref.getLabel());
+        assertThat(ref.getLabel()).isEqualTo("bar");
         var paragraph = doc.getFirstChild();
         assertText("Test [foo]", paragraph.getFirstChild());
     }
@@ -188,7 +187,7 @@ public void testRefWithEmptyLabel() {
         // [^bar] is a footnote but [] is just text, because collapsed reference links don't resolve as footnotes
         var doc = PARSER.parse("Test [^bar][]\n\n[^bar]: footnote\n");
         var ref = find(doc, FootnoteReference.class);
-        assertEquals("bar", ref.getLabel());
+        assertThat(ref.getLabel()).isEqualTo("bar");
         var paragraph = doc.getFirstChild();
         assertText("Test ", paragraph.getFirstChild());
         assertText("[]", paragraph.getLastChild());
@@ -198,22 +197,22 @@ public void testRefWithEmptyLabel() {
     public void testRefWithBracket() {
         // Not a footnote, [ needs to be escaped
         var doc = PARSER.parse("Test [^f[oo]\n\n[^f[oo]: /url\n");
-        assertNull(tryFind(doc, FootnoteReference.class));
+        assertNone(doc, FootnoteReference.class);
     }
 
     @Test
     public void testRefWithBackslash() {
         var doc = PARSER.parse("[^\\foo]\n\n[^\\foo]: note\n");
         var ref = find(doc, FootnoteReference.class);
-        assertEquals("\\foo", ref.getLabel());
+        assertThat(ref.getLabel()).isEqualTo("\\foo");
         var def = find(doc, FootnoteDefinition.class);
-        assertEquals("\\foo", def.getLabel());
+        assertThat(def.getLabel()).isEqualTo("\\foo");
     }
 
     @Test
     public void testPreferInlineLink() {
         var doc = PARSER.parse("Test [^bar](/url)\n\n[^bar]: footnote\n");
-        assertNull(tryFind(doc, FootnoteReference.class));
+        assertNone(doc, FootnoteReference.class);
     }
 
     @Test
@@ -221,7 +220,7 @@ public void testPreferReferenceLink() {
         // This is tricky because `[^*foo*][foo]` is a valid link already. If `[foo]` was not defined, the first bracket
         // would be a footnote.
         var doc = PARSER.parse("Test [^*foo*][foo]\n\n[^*foo*]: /url\n\n[foo]: /url");
-        assertNull(tryFind(doc, FootnoteReference.class));
+        assertNone(doc, FootnoteReference.class);
     }
 
     @Test
@@ -229,7 +228,7 @@ public void testReferenceLinkWithoutDefinition() {
         // Similar to previous test but there's no definition
         var doc = PARSER.parse("Test [^*foo*][foo]\n\n[^*foo*]: def\n");
         var ref = find(doc, FootnoteReference.class);
-        assertEquals("*foo*", ref.getLabel());
+        assertThat(ref.getLabel()).isEqualTo("*foo*");
         var paragraph = (Paragraph) doc.getFirstChild();
         assertText("Test ", paragraph.getFirstChild());
         assertText("[foo]", paragraph.getLastChild());
@@ -249,12 +248,12 @@ public void testInlineFootnote() {
 
         {
             var doc = parser.parse("Test \\^[not inline footnote]");
-            assertNull(tryFind(doc, InlineFootnote.class));
+            assertNone(doc, InlineFootnote.class);
         }
 
         {
             var doc = parser.parse("Test ^[not inline footnote");
-            assertNull(tryFind(doc, InlineFootnote.class));
+            assertNone(doc, InlineFootnote.class);
             var t = doc.getFirstChild().getFirstChild();
             assertText("Test ^[not inline footnote", t);
         }
@@ -269,7 +268,7 @@ public void testInlineFootnote() {
             var fn = find(doc, InlineFootnote.class);
             assertText("test ", fn.getFirstChild());
             var code = fn.getFirstChild().getNext();
-            assertEquals("bla]", ((Code) code).getLiteral());
+            assertThat(((Code) code).getLiteral()).isEqualTo("bla]");
         }
 
         {
@@ -277,7 +276,7 @@ public void testInlineFootnote() {
             var fn = find(doc, InlineFootnote.class);
             assertText("with a ", fn.getFirstChild());
             var link = fn.getFirstChild().getNext();
-            assertEquals("url", ((Link) link).getDestination());
+            assertThat(((Link) link).getDestination()).isEqualTo("url");
         }
     }
 
@@ -287,10 +286,14 @@ public void testSourcePositions() {
 
         var doc = parser.parse("Test [^foo]\n\n[^foo]: /url\n");
         var ref = find(doc, FootnoteReference.class);
-        assertEquals(ref.getSourceSpans(), List.of(SourceSpan.of(0, 5, 5, 6)));
+        assertThat(ref.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 5, 5, 6)));
 
         var def = find(doc, FootnoteDefinition.class);
-        assertEquals(def.getSourceSpans(), List.of(SourceSpan.of(2, 0, 13, 12)));
+        assertThat(def.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(2, 0, 13, 12)));
+    }
+
+    private static void assertNone(Node parent, Class<?> nodeClass) {
+        assertThat(tryFind(parent, nodeClass)).as(() -> "Node " + parent + " containing " + nodeClass).isNull();
     }
 
     private static <T> T find(Node parent, Class<T> nodeClass) {
@@ -315,6 +318,6 @@ private static <T> List<T> findAll(Node parent, Class<T> nodeClass) {
 
     private static void assertText(String expected, Node node) {
         var text = (Text) node;
-        assertEquals(expected, text.getLiteral());
+        assertThat(text.getLiteral()).isEqualTo(expected);
     }
 }
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java
index 507fc0a88..c497a4db3 100644
--- a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughMarkdownRendererTest.java
@@ -3,11 +3,11 @@
 import org.commonmark.Extension;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.markdown.MarkdownRenderer;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class StrikethroughMarkdownRendererTest {
 
@@ -30,6 +30,6 @@ protected String render(String source) {
 
     private void assertRoundTrip(String input) {
         String rendered = render(input);
-        assertEquals(input, rendered);
+        assertThat(rendered).isEqualTo(input);
     }
 }
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java
index 2ca5471b0..f1199b521 100644
--- a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughSpecTest.java
@@ -7,30 +7,27 @@
 import org.commonmark.testutil.TestResources;
 import org.commonmark.testutil.example.Example;
 import org.commonmark.testutil.example.ExampleReader;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.Parameter;
+import org.junit.jupiter.params.ParameterizedClass;
+import org.junit.jupiter.params.provider.MethodSource;
 
 import java.util.List;
 import java.util.Set;
 
-@RunWith(Parameterized.class)
+@ParameterizedClass
+@MethodSource("data")
 public class StrikethroughSpecTest extends RenderingTestCase {
 
     private static final Set<Extension> EXTENSIONS = Set.of(StrikethroughExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
-    private final Example example;
+    @Parameter
+    Example example;
 
-    public StrikethroughSpecTest(Example example) {
-        this.example = example;
-    }
-
-    @Parameters(name = "{0}")
-    public static List<Object[]> data() {
-        return ExampleReader.readExampleObjects(TestResources.getGfmSpec(), "strikethrough");
+    static List<Example> data() {
+        return ExampleReader.readExamples(TestResources.getGfmSpec(), "strikethrough");
     }
 
     @Test
diff --git a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
index cb3019957..c29391cdd 100644
--- a/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
+++ b/commonmark-ext-gfm-strikethrough/src/test/java/org/commonmark/ext/gfm/strikethrough/StrikethroughTest.java
@@ -12,12 +12,12 @@
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.List;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class StrikethroughTest extends RenderingTestCase {
 
@@ -84,14 +84,14 @@ public void insideBlockQuote() {
     public void delimited() {
         Node document = PARSER.parse("~~foo~~");
         Strikethrough strikethrough = (Strikethrough) document.getFirstChild().getFirstChild();
-        assertEquals("~~", strikethrough.getOpeningDelimiter());
-        assertEquals("~~", strikethrough.getClosingDelimiter());
+        assertThat(strikethrough.getOpeningDelimiter()).isEqualTo("~~");
+        assertThat(strikethrough.getClosingDelimiter()).isEqualTo("~~");
     }
 
     @Test
     public void textContentRenderer() {
         Node document = PARSER.parse("~~foo~~");
-        assertEquals("/foo/", CONTENT_RENDERER.render(document));
+        assertThat(CONTENT_RENDERER.render(document)).isEqualTo("/foo/");
     }
 
     @Test
@@ -104,7 +104,7 @@ public void requireTwoTildesOption() {
                 .build();
 
         Node document = parser.parse("~foo~ ~~bar~~");
-        assertEquals("(sub)foo(/sub) /bar/", CONTENT_RENDERER.render(document));
+        assertThat(CONTENT_RENDERER.render(document)).isEqualTo("(sub)foo(/sub) /bar/");
     }
 
     @Test
@@ -117,8 +117,7 @@ public void sourceSpans() {
         Node document = parser.parse("hey ~~there~~\n");
         Paragraph block = (Paragraph) document.getFirstChild();
         Node strikethrough = block.getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 4, 4, 9)),
-                strikethrough.getSourceSpans());
+        assertThat(strikethrough.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 4, 4, 9)));
     }
 
     @Override
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
index 16303b58c..85c11206c 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TableMarkdownRendererTest.java
@@ -3,11 +3,11 @@
 import org.commonmark.Extension;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.markdown.MarkdownRenderer;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class TableMarkdownRendererTest {
 
@@ -70,6 +70,6 @@ protected String render(String source) {
 
     private void assertRoundTrip(String input) {
         String rendered = render(input);
-        assertEquals(input, rendered);
+        assertThat(rendered).isEqualTo(input);
     }
 }
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java
index d5ea8c836..e7f3db4d1 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesSpecTest.java
@@ -7,30 +7,27 @@
 import org.commonmark.testutil.TestResources;
 import org.commonmark.testutil.example.Example;
 import org.commonmark.testutil.example.ExampleReader;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.Parameter;
+import org.junit.jupiter.params.ParameterizedClass;
+import org.junit.jupiter.params.provider.MethodSource;
 
 import java.util.List;
 import java.util.Set;
 
-@RunWith(Parameterized.class)
+@ParameterizedClass
+@MethodSource("data")
 public class TablesSpecTest extends RenderingTestCase {
 
     private static final Set<Extension> EXTENSIONS = Set.of(TablesExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
-    private final Example example;
+    @Parameter
+    Example example;
 
-    public TablesSpecTest(Example example) {
-        this.example = example;
-    }
-
-    @Parameters(name = "{0}")
-    public static List<Object[]> data() {
-        return ExampleReader.readExampleObjects(TestResources.getGfmSpec(), "table");
+    static List<Example> data() {
+        return ExampleReader.readExamples(TestResources.getGfmSpec(), "table");
     }
 
     @Test
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index 57f4a4ae5..3135b4d8e 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -10,13 +10,13 @@
 import org.commonmark.renderer.html.AttributeProviderFactory;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import java.util.*;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
 
-import static org.hamcrest.CoreMatchers.is;
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class TablesTest extends RenderingTestCase {
 
@@ -730,7 +730,7 @@ public void setAttributes(Node node, String tagName, Map<String, String> attribu
                 .extensions(EXTENSIONS)
                 .build();
         String rendered = renderer.render(PARSER.parse("Abc|Def\n---|---\n1|2"));
-        assertThat(rendered, is("<table test=\"block\">\n" +
+        assertThat(rendered).isEqualTo("<table test=\"block\">\n" +
                 "<thead test=\"head\">\n" +
                 "<tr test=\"row\">\n" +
                 "<th test=\"cell\">Abc</th>\n" +
@@ -743,7 +743,7 @@ public void setAttributes(Node node, String tagName, Map<String, String> attribu
                 "<td test=\"cell\">2</td>\n" +
                 "</tr>\n" +
                 "</tbody>\n" +
-                "</table>\n"));
+                "</table>\n");
     }
 
     @Test
@@ -766,7 +766,7 @@ public void setAttributes(Node node, String tagName, Map<String, String> attribu
                 .extensions(EXTENSIONS)
                 .build();
         String rendered = renderer.render(PARSER.parse("Abc|Def\n-----|---\n1|2"));
-        assertThat(rendered, is("<table>\n" +
+        assertThat(rendered).isEqualTo("<table>\n" +
                 "<thead>\n" +
                 "<tr>\n" +
                 "<th width=\"5em\">Abc</th>\n" +
@@ -779,7 +779,7 @@ public void setAttributes(Node node, String tagName, Map<String, String> attribu
                 "<td>2</td>\n" +
                 "</tr>\n" +
                 "</tbody>\n" +
-                "</table>\n"));
+                "</table>\n");
     }
 
     @Test
@@ -791,49 +791,48 @@ public void sourceSpans() {
         Node document = parser.parse("Abc|Def\n---|---\n|1|2\n 3|four|\n|||\n");
 
         TableBlock block = (TableBlock) document.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 7), SourceSpan.of(1, 0, 8, 7),
-                        SourceSpan.of(2, 0, 16, 4), SourceSpan.of(3, 0, 21, 8), SourceSpan.of(4, 0, 30, 3)),
-                block.getSourceSpans());
+        assertThat(block.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 7), SourceSpan.of(1, 0, 8, 7),
+                SourceSpan.of(2, 0, 16, 4), SourceSpan.of(3, 0, 21, 8), SourceSpan.of(4, 0, 30, 3)));
 
         TableHead head = (TableHead) block.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 7)), head.getSourceSpans());
+        assertThat(head.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 7)));
 
         TableRow headRow = (TableRow) head.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 7)), headRow.getSourceSpans());
+        assertThat(headRow.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 7)));
         TableCell headRowCell1 = (TableCell) headRow.getFirstChild();
         TableCell headRowCell2 = (TableCell) headRow.getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 3)), headRowCell1.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 3)), headRowCell1.getFirstChild().getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(0, 4, 4, 3)), headRowCell2.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(0, 4, 4, 3)), headRowCell2.getFirstChild().getSourceSpans());
+        assertThat(headRowCell1.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 3)));
+        assertThat(headRowCell1.getFirstChild().getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 3)));
+        assertThat(headRowCell2.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 4, 4, 3)));
+        assertThat(headRowCell2.getFirstChild().getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 4, 4, 3)));
 
         TableBody body = (TableBody) block.getLastChild();
-        assertEquals(List.of(SourceSpan.of(2, 0, 16, 4), SourceSpan.of(3, 0, 21, 8), SourceSpan.of(4, 0, 30, 3)), body.getSourceSpans());
+        assertThat(body.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(2, 0, 16, 4), SourceSpan.of(3, 0, 21, 8), SourceSpan.of(4, 0, 30, 3)));
 
         TableRow bodyRow1 = (TableRow) body.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(2, 0, 16, 4)), bodyRow1.getSourceSpans());
+        assertThat(bodyRow1.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(2, 0, 16, 4)));
         TableCell bodyRow1Cell1 = (TableCell) bodyRow1.getFirstChild();
         TableCell bodyRow1Cell2 = (TableCell) bodyRow1.getLastChild();
-        assertEquals(List.of(SourceSpan.of(2, 1, 17, 1)), bodyRow1Cell1.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(2, 1, 17, 1)), bodyRow1Cell1.getFirstChild().getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(2, 3, 19, 1)), bodyRow1Cell2.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(2, 3, 19, 1)), bodyRow1Cell2.getFirstChild().getSourceSpans());
+        assertThat(bodyRow1Cell1.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(2, 1, 17, 1)));
+        assertThat(bodyRow1Cell1.getFirstChild().getSourceSpans()).isEqualTo(List.of(SourceSpan.of(2, 1, 17, 1)));
+        assertThat(bodyRow1Cell2.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(2, 3, 19, 1)));
+        assertThat(bodyRow1Cell2.getFirstChild().getSourceSpans()).isEqualTo(List.of(SourceSpan.of(2, 3, 19, 1)));
 
         TableRow bodyRow2 = (TableRow) body.getFirstChild().getNext();
-        assertEquals(List.of(SourceSpan.of(3, 0, 21, 8)), bodyRow2.getSourceSpans());
+        assertThat(bodyRow2.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(3, 0, 21, 8)));
         TableCell bodyRow2Cell1 = (TableCell) bodyRow2.getFirstChild();
         TableCell bodyRow2Cell2 = (TableCell) bodyRow2.getLastChild();
-        assertEquals(List.of(SourceSpan.of(3, 1, 22, 1)), bodyRow2Cell1.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(3, 1, 22, 1)), bodyRow2Cell1.getFirstChild().getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(3, 3, 24, 4)), bodyRow2Cell2.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(3, 3, 24, 4)), bodyRow2Cell2.getFirstChild().getSourceSpans());
+        assertThat(bodyRow2Cell1.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(3, 1, 22, 1)));
+        assertThat(bodyRow2Cell1.getFirstChild().getSourceSpans()).isEqualTo(List.of(SourceSpan.of(3, 1, 22, 1)));
+        assertThat(bodyRow2Cell2.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(3, 3, 24, 4)));
+        assertThat(bodyRow2Cell2.getFirstChild().getSourceSpans()).isEqualTo(List.of(SourceSpan.of(3, 3, 24, 4)));
 
         TableRow bodyRow3 = (TableRow) body.getLastChild();
-        assertEquals(List.of(SourceSpan.of(4, 0, 30, 3)), bodyRow3.getSourceSpans());
+        assertThat(bodyRow3.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(4, 0, 30, 3)));
         TableCell bodyRow3Cell1 = (TableCell) bodyRow3.getFirstChild();
         TableCell bodyRow3Cell2 = (TableCell) bodyRow3.getLastChild();
-        assertEquals(List.of(), bodyRow3Cell1.getSourceSpans());
-        assertEquals(List.of(), bodyRow3Cell2.getSourceSpans());
+        assertThat(bodyRow3Cell1.getSourceSpans()).isEqualTo(List.of());
+        assertThat(bodyRow3Cell2.getSourceSpans()).isEqualTo(List.of());
     }
 
     @Override
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java
index c5ef8cb5a..966f097fd 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTextContentTest.java
@@ -5,7 +5,7 @@
 import org.commonmark.renderer.text.LineBreakRendering;
 import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.testutil.Asserts;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Set;
 
diff --git a/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorConfigurationTest.java b/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorConfigurationTest.java
index af2ae13cf..438a3a9bd 100644
--- a/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorConfigurationTest.java
+++ b/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorConfigurationTest.java
@@ -3,12 +3,11 @@
 import org.commonmark.Extension;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.List;
 
-import static org.hamcrest.CoreMatchers.equalTo;
-import static org.hamcrest.MatcherAssert.assertThat;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class HeadingAnchorConfigurationTest {
 
@@ -30,25 +29,25 @@ public void testDefaultConfigurationHasNoAdditions() {
         HtmlRenderer renderer = HtmlRenderer.builder()
                 .extensions(List.of(HeadingAnchorExtension.create()))
                 .build();
-        assertThat(doRender(renderer, "# "), equalTo("<h1 id=\"id\"></h1>\n"));
+        assertThat(doRender(renderer, "# ")).isEqualTo("<h1 id=\"id\"></h1>\n");
     }
 
     @Test
     public void testDefaultIdWhenNoTextOnHeader() {
         HtmlRenderer renderer = buildRenderer("defid", "", "");
-        assertThat(doRender(renderer, "# "), equalTo("<h1 id=\"defid\"></h1>\n"));
+        assertThat(doRender(renderer, "# ")).isEqualTo("<h1 id=\"defid\"></h1>\n");
     }
 
     @Test
     public void testPrefixAddedToHeader() {
         HtmlRenderer renderer = buildRenderer("", "pre-", "");
-        assertThat(doRender(renderer, "# text"), equalTo("<h1 id=\"pre-text\">text</h1>\n"));
+        assertThat(doRender(renderer, "# text")).isEqualTo("<h1 id=\"pre-text\">text</h1>\n");
     }
 
     @Test
     public void testSuffixAddedToHeader() {
         HtmlRenderer renderer = buildRenderer("", "", "-post");
-        assertThat(doRender(renderer, "# text"), equalTo("<h1 id=\"text-post\">text</h1>\n"));
+        assertThat(doRender(renderer, "# text")).isEqualTo("<h1 id=\"text-post\">text</h1>\n");
     }
 
     private String doRender(HtmlRenderer renderer, String text) {
diff --git a/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorTest.java b/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorTest.java
index 872306bed..3149542e3 100644
--- a/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorTest.java
+++ b/commonmark-ext-heading-anchor/src/test/java/org/commonmark/ext/heading/anchor/HeadingAnchorTest.java
@@ -4,7 +4,7 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Set;
 
diff --git a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
index b863bd4b7..3edf8497e 100644
--- a/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
+++ b/commonmark-ext-image-attributes/src/test/java/org/commonmark/ext/image/attributes/ImageAttributesTest.java
@@ -8,12 +8,12 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.List;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class ImageAttributesTest extends RenderingTestCase {
 
@@ -131,8 +131,7 @@ public void sourceSpans() {
         Node document = parser.parse("x{height=3 width=4}\n");
         Paragraph block = (Paragraph) document.getFirstChild();
         Node text = block.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 19)),
-                text.getSourceSpans());
+        assertThat(text.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 19)));
     }
 
     @Override
diff --git a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java
index 28f2cd354..6fc9ead67 100644
--- a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java
+++ b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsMarkdownRendererTest.java
@@ -3,11 +3,11 @@
 import org.commonmark.Extension;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.markdown.MarkdownRenderer;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class InsMarkdownRendererTest {
 
@@ -28,6 +28,6 @@ protected String render(String source) {
 
     private void assertRoundTrip(String input) {
         String rendered = render(input);
-        assertEquals(input, rendered);
+        assertThat(rendered).isEqualTo(input);
     }
 }
diff --git a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
index 4603da60b..a5c91a395 100644
--- a/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
+++ b/commonmark-ext-ins/src/test/java/org/commonmark/ext/ins/InsTest.java
@@ -9,12 +9,12 @@
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.List;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class InsTest extends RenderingTestCase {
 
@@ -82,14 +82,14 @@ public void insideBlockQuote() {
     public void delimited() {
         Node document = PARSER.parse("++foo++");
         Ins ins = (Ins) document.getFirstChild().getFirstChild();
-        assertEquals("++", ins.getOpeningDelimiter());
-        assertEquals("++", ins.getClosingDelimiter());
+        assertThat(ins.getOpeningDelimiter()).isEqualTo("++");
+        assertThat(ins.getClosingDelimiter()).isEqualTo("++");
     }
 
     @Test
     public void textContentRenderer() {
         Node document = PARSER.parse("++foo++");
-        assertEquals("foo", CONTENT_RENDERER.render(document));
+        assertThat(CONTENT_RENDERER.render(document)).isEqualTo("foo");
     }
 
     @Test
@@ -102,8 +102,7 @@ public void sourceSpans() {
         Node document = parser.parse("hey ++there++\n");
         Paragraph block = (Paragraph) document.getFirstChild();
         Node ins = block.getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 4, 4, 9)),
-                ins.getSourceSpans());
+        assertThat(ins.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 4, 4, 9)));
     }
 
     @Override
diff --git a/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java b/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java
index c13e10bb7..0adc615a7 100644
--- a/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java
+++ b/commonmark-ext-task-list-items/src/test/java/org/commonmark/ext/task/list/items/TaskListItemsTest.java
@@ -4,7 +4,7 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Set;
 
diff --git a/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java b/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
index f46c11b3c..db17d4a4e 100644
--- a/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
+++ b/commonmark-ext-yaml-front-matter/src/test/java/org/commonmark/ext/front/matter/YamlFrontMatterTest.java
@@ -6,14 +6,13 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class YamlFrontMatterTest extends RenderingTestCase {
     private static final Set<Extension> EXTENSIONS = Set.of(YamlFrontMatterExtension.create());
@@ -31,10 +30,10 @@ public void simpleValue() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertEquals(1, data.size());
-        assertEquals("hello", data.keySet().iterator().next());
-        assertEquals(1, data.get("hello").size());
-        assertEquals("world", data.get("hello").get(0));
+        assertThat(data).hasSize(1);
+        assertThat(data.keySet().iterator().next()).isEqualTo("hello");
+        assertThat(data.get("hello")).hasSize(1);
+        assertThat(data.get("hello").get(0)).isEqualTo("world");
 
         assertRendering(input, rendered);
     }
@@ -50,9 +49,9 @@ public void emptyValue() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertEquals(1, data.size());
-        assertEquals("key", data.keySet().iterator().next());
-        assertEquals(0, data.get("key").size());
+        assertThat(data).hasSize(1);
+        assertThat(data.keySet().iterator().next()).isEqualTo("key");
+        assertThat(data.get("key")).hasSize(0);
 
         assertRendering(input, rendered);
     }
@@ -70,11 +69,11 @@ public void listValues() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertEquals(1, data.size());
-        assertTrue(data.containsKey("list"));
-        assertEquals(2, data.get("list").size());
-        assertEquals("value1", data.get("list").get(0));
-        assertEquals("value2", data.get("list").get(1));
+        assertThat(data).hasSize(1);
+        assertThat(data).containsKey("list");
+        assertThat(data.get("list")).hasSize(2);
+        assertThat(data.get("list").get(0)).isEqualTo("value1");
+        assertThat(data.get("list").get(1)).isEqualTo("value2");
 
         assertRendering(input, rendered);
     }
@@ -92,10 +91,10 @@ public void literalValue1() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertEquals(1, data.size());
-        assertTrue(data.containsKey("literal"));
-        assertEquals(1, data.get("literal").size());
-        assertEquals("hello markdown!\nliteral thing...", data.get("literal").get(0));
+        assertThat(data).hasSize(1);
+        assertThat(data).containsKey("literal");
+        assertThat(data.get("literal")).hasSize(1);
+        assertThat(data.get("literal").get(0)).isEqualTo("hello markdown!\nliteral thing...");
 
         assertRendering(input, rendered);
     }
@@ -112,10 +111,10 @@ public void literalValue2() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertEquals(1, data.size());
-        assertTrue(data.containsKey("literal"));
-        assertEquals(1, data.get("literal").size());
-        assertEquals("- hello markdown!", data.get("literal").get(0));
+        assertThat(data).hasSize(1);
+        assertThat(data).containsKey("literal");
+        assertThat(data.get("literal")).hasSize(1);
+        assertThat(data.get("literal").get(0)).isEqualTo("- hello markdown!");
 
         assertRendering(input, rendered);
     }
@@ -137,20 +136,20 @@ public void complexValues() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertEquals(3, data.size());
+        assertThat(data).hasSize(3);
 
-        assertTrue(data.containsKey("simple"));
-        assertEquals(1, data.get("simple").size());
-        assertEquals("value", data.get("simple").get(0));
+        assertThat(data).containsKey("simple");
+        assertThat(data.get("simple")).hasSize(1);
+        assertThat(data.get("simple").get(0)).isEqualTo("value");
 
-        assertTrue(data.containsKey("literal"));
-        assertEquals(1, data.get("literal").size());
-        assertEquals("hello markdown!\n\nliteral literal", data.get("literal").get(0));
+        assertThat(data).containsKey("literal");
+        assertThat(data.get("literal")).hasSize(1);
+        assertThat(data.get("literal").get(0)).isEqualTo("hello markdown!\n\nliteral literal");
 
-        assertTrue(data.containsKey("list"));
-        assertEquals(2, data.get("list").size());
-        assertEquals("value1", data.get("list").get(0));
-        assertEquals("value2", data.get("list").get(1));
+        assertThat(data).containsKey("list");
+        assertThat(data.get("list")).hasSize(2);
+        assertThat(data.get("list").get(0)).isEqualTo("value1");
+        assertThat(data.get("list").get(1)).isEqualTo("value2");
 
         assertRendering(input, rendered);
     }
@@ -164,7 +163,7 @@ public void empty() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertTrue(data.isEmpty());
+        assertThat(data).isEmpty();
 
         assertRendering(input, rendered);
     }
@@ -180,7 +179,7 @@ public void yamlInParagraph() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertTrue(data.isEmpty());
+        assertThat(data).isEmpty();
 
         assertRendering(input, rendered);
     }
@@ -195,7 +194,7 @@ public void yamlOnSecondLine() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertTrue(data.isEmpty());
+        assertThat(data).isEmpty();
 
         assertRendering(input, rendered);
     }
@@ -208,7 +207,7 @@ public void nonMatchedStartTag() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertTrue(data.isEmpty());
+        assertThat(data).isEmpty();
 
         assertRendering(input, rendered);
     }
@@ -222,7 +221,7 @@ public void inList() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertTrue(data.isEmpty());
+        assertThat(data).isEmpty();
 
         assertRendering(input, rendered);
     }
@@ -240,9 +239,9 @@ public void visitorIgnoresOtherCustomNodes() {
         document.accept(visitor);
 
         Map<String, List<String>> data = visitor.getData();
-        assertEquals(1, data.size());
-        assertTrue(data.containsKey("hello"));
-        assertEquals(List.of("world"), data.get("hello"));
+        assertThat(data).hasSize(1);
+        assertThat(data).containsKey("hello");
+        assertThat(data.get("hello")).isEqualTo(List.of("world"));
     }
 
     @Test
@@ -261,9 +260,9 @@ public void nodesCanBeModified() {
         document.accept(visitor);
 
         Map<String, List<String>> data = visitor.getData();
-        assertEquals(1, data.size());
-        assertTrue(data.containsKey("see"));
-        assertEquals(List.of("you"), data.get("see"));
+        assertThat(data).hasSize(1);
+        assertThat(data).containsKey("see");
+        assertThat(data.get("see")).isEqualTo(List.of("you"));
     }
 
     @Test
@@ -275,10 +274,10 @@ public void dotInKeys() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertEquals(1, data.size());
-        assertEquals("ms.author", data.keySet().iterator().next());
-        assertEquals(1, data.get("ms.author").size());
-        assertEquals("author", data.get("ms.author").get(0));
+        assertThat(data).hasSize(1);
+        assertThat(data.keySet().iterator().next()).isEqualTo("ms.author");
+        assertThat(data.get("ms.author")).hasSize(1);
+        assertThat(data.get("ms.author").get(0)).isEqualTo("author");
     }
 
     @Test
@@ -292,9 +291,9 @@ public void singleQuotedLiterals() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertEquals(2, data.size());
-        assertEquals("It's me", data.get("string").get(0));
-        assertEquals("I'm here", data.get("list").get(0));
+        assertThat(data).hasSize(2);
+        assertThat(data.get("string").get(0)).isEqualTo("It's me");
+        assertThat(data.get("list").get(0)).isEqualTo("I'm here");
     }
 
     @Test
@@ -308,9 +307,9 @@ public void doubleQuotedLiteral() {
 
         Map<String, List<String>> data = getFrontMatter(input);
 
-        assertEquals(2, data.size());
-        assertEquals("backslash: \\ quote: \"", data.get("string").get(0));
-        assertEquals("hey", data.get("list").get(0));
+        assertThat(data).hasSize(2);
+        assertThat(data.get("string").get(0)).isEqualTo("backslash: \\ quote: \"");
+        assertThat(data.get("list").get(0)).isEqualTo("hey");
     }
 
     @Override
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/BoundsIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/BoundsIntegrationTest.java
index 8ee15164a..f1259b825 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/BoundsIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/BoundsIntegrationTest.java
@@ -3,39 +3,30 @@
 import org.commonmark.node.Node;
 import org.commonmark.parser.Parser;
 import org.commonmark.testutil.TestResources;
-import org.commonmark.testutil.example.Example;
 import org.commonmark.testutil.example.ExampleReader;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.Parameter;
+import org.junit.jupiter.params.ParameterizedClass;
+import org.junit.jupiter.params.provider.MethodSource;
 
-import java.util.ArrayList;
 import java.util.List;
 
-import static org.junit.Assert.assertNotNull;
+import static org.assertj.core.api.Assertions.assertThat;
 
 /**
  * Tests various substrings of the spec examples to check for out of bounds exceptions.
  */
-@RunWith(Parameterized.class)
+@ParameterizedClass
+@MethodSource("data")
 public class BoundsIntegrationTest {
 
     private static final Parser PARSER = Parser.builder().build();
 
-    protected final String input;
+    @Parameter
+    String input;
 
-    public BoundsIntegrationTest(String input) {
-        this.input = input;
-    }
-
-    @Parameterized.Parameters(name = "{0}")
-    public static List<Object[]> data() {
-        List<Example> examples = ExampleReader.readExamples(TestResources.getSpec());
-        List<Object[]> data = new ArrayList<>();
-        for (Example example : examples) {
-            data.add(new Object[]{example.getSource()});
-        }
-        return data;
+    static List<String> data() {
+        return ExampleReader.readExampleSources(TestResources.getSpec());
     }
 
     @Test
@@ -54,7 +45,7 @@ private void parse(String input) {
         try {
             Node parsed = PARSER.parse(input);
             // Parsing should always return a node
-            assertNotNull(parsed);
+            assertThat(parsed).isNotNull();
         } catch (Exception e) {
             throw new AssertionError("Parsing failed, input: " + input, e);
         }
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java
index 64cf60ed9..523154d2c 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java
@@ -3,7 +3,7 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /**
  * Tests to ensure all extensions work well together.
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java
index f05efe1c3..9ab5c32a3 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java
@@ -10,11 +10,11 @@
 import org.commonmark.ext.task.list.items.TaskListItemsExtension;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.markdown.MarkdownRenderer;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class MarkdownRendererIntegrationTest {
 
@@ -40,6 +40,6 @@ private String render(String source) {
 
     private void assertRoundTrip(String input) {
         String rendered = render(input);
-        assertEquals(input, rendered);
+        assertThat(rendered).isEqualTo(input);
     }
 }
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
index a0649f537..171cc51b1 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
@@ -14,10 +14,6 @@ public class SourceSpanIntegrationTest extends SpecIntegrationTest {
             .includeSourceSpans(IncludeSourceSpans.BLOCKS)
             .build();
 
-    public SourceSpanIntegrationTest(Example example) {
-        super(example);
-    }
-
     @Override
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
index 2b615aa41..07853d402 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
@@ -4,7 +4,7 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.testutil.example.Example;
 import org.commonmark.testutil.SpecTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.*;
 
@@ -20,10 +20,6 @@ public class SpecIntegrationTest extends SpecTestCase {
     protected static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(Extensions.ALL_EXTENSIONS).percentEncodeUrls(true).build();
     protected static final Map<String, String> OVERRIDDEN_EXAMPLES = getOverriddenExamples();
 
-    public SpecIntegrationTest(Example example) {
-        super(example);
-    }
-
     @Test
     public void testHtmlRendering() {
         String expectedHtml = OVERRIDDEN_EXAMPLES.get(example.getSource());
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 7fb4881f1..d6a38f4a9 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -13,8 +13,12 @@
 
     <dependencies>
         <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
         </dependency>
     </dependencies>
 
diff --git a/commonmark-test-util/src/main/java/module-info.java b/commonmark-test-util/src/main/java/module-info.java
index ef983a513..12980d80a 100644
--- a/commonmark-test-util/src/main/java/module-info.java
+++ b/commonmark-test-util/src/main/java/module-info.java
@@ -2,5 +2,6 @@
     exports org.commonmark.testutil;
     exports org.commonmark.testutil.example;
 
-    requires junit;
+    requires org.assertj.core;
+    requires org.junit.jupiter.params;
 }
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/Asserts.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/Asserts.java
index 64124b129..971a1b4ea 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/Asserts.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/Asserts.java
@@ -1,13 +1,13 @@
 package org.commonmark.testutil;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class Asserts {
     public static void assertRendering(String source, String expectedRendering, String actualRendering) {
         // include source for better assertion errors
         String expected = showTabs(expectedRendering + "\n\n" + source);
         String actual = showTabs(actualRendering + "\n\n" + source);
-        assertEquals(expected, actual);
+        assertThat(actual).isEqualTo(expected);
     }
 
     private static String showTabs(String s) {
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/RenderingTestCase.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/RenderingTestCase.java
index b585f4604..f7da4c008 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/RenderingTestCase.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/RenderingTestCase.java
@@ -1,5 +1,7 @@
 package org.commonmark.testutil;
 
+import static org.assertj.core.api.Assertions.assertThat;
+
 public abstract class RenderingTestCase {
 
     protected abstract String render(String source);
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java
index 2fb175772..c29a6a69a 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/SpecTestCase.java
@@ -2,30 +2,22 @@
 
 import org.commonmark.testutil.example.Example;
 import org.commonmark.testutil.example.ExampleReader;
-import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
+import org.junit.jupiter.params.Parameter;
+import org.junit.jupiter.params.ParameterizedClass;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
 
 import java.util.ArrayList;
 import java.util.List;
 
-@RunWith(Parameterized.class)
+@ParameterizedClass
+@MethodSource("data")
 public abstract class SpecTestCase {
 
-    protected final Example example;
+    @Parameter
+    protected Example example;
 
-    public SpecTestCase(Example example) {
-        this.example = example;
+    static List<Example> data() {
+        return ExampleReader.readExamples(TestResources.getSpec());
     }
-
-    @Parameters(name = "{0}")
-    public static List<Object[]> data() {
-        List<Example> examples = ExampleReader.readExamples(TestResources.getSpec());
-        List<Object[]> data = new ArrayList<>();
-        for (Example example : examples) {
-            data.add(new Object[]{example});
-        }
-        return data;
-    }
-
 }
diff --git a/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java b/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java
index 6f5dd6276..d40a10f63 100644
--- a/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java
+++ b/commonmark-test-util/src/main/java/org/commonmark/testutil/example/ExampleReader.java
@@ -7,6 +7,7 @@
 import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import java.util.stream.Collectors;
 
 /**
  * Reader for files containing examples of CommonMark source and the expected HTML rendering (e.g. spec.txt).
@@ -42,15 +43,13 @@ public static List<Example> readExamples(URL url) {
         }
     }
 
+    public static List<Example> readExamples(URL url, String info) {
+        var examples = readExamples(url);
+        return examples.stream().filter(e -> e.getInfo().contains(info)).collect(Collectors.toList());
+    }
+
     public static List<Object[]> readExampleObjects(URL url, String info) {
-        List<Example> examples = readExamples(url);
-        List<Object[]> data = new ArrayList<>();
-        for (Example example : examples) {
-            if (example.getInfo().contains(info)) {
-                data.add(new Object[]{example});
-            }
-        }
-        return data;
+        return readExamples(url, info).stream().map(e -> new Object[]{e}).collect(Collectors.toList());
     }
 
     public static List<String> readExampleSources(URL url) {
diff --git a/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java b/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java
index 45143b852..a834665ff 100644
--- a/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/DocumentParserTest.java
@@ -2,17 +2,15 @@
 
 import org.commonmark.node.*;
 import org.commonmark.parser.block.BlockParserFactory;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
-import static org.hamcrest.CoreMatchers.is;
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.junit.Assert.assertTrue;
+import static org.assertj.core.api.Assertions.assertThat;
 
-public class DocumentParserTest {
+class DocumentParserTest {
     private static final List<BlockParserFactory> CORE_FACTORIES = List.of(
             new BlockQuoteParser.Factory(),
             new HeadingParser.Factory(),
@@ -23,28 +21,28 @@ public class DocumentParserTest {
             new IndentedCodeBlockParser.Factory());
 
     @Test
-    public void calculateBlockParserFactories_givenAFullListOfAllowedNodes_includesAllCoreFactories() {
+    void calculateBlockParserFactories_givenAFullListOfAllowedNodes_includesAllCoreFactories() {
         List<BlockParserFactory> customParserFactories = List.of();
         var enabledBlockTypes = Set.of(BlockQuote.class, Heading.class, FencedCodeBlock.class, HtmlBlock.class, ThematicBreak.class, ListBlock.class, IndentedCodeBlock.class);
 
         List<BlockParserFactory> blockParserFactories = DocumentParser.calculateBlockParserFactories(customParserFactories, enabledBlockTypes);
-        assertThat(blockParserFactories.size(), is(CORE_FACTORIES.size()));
+        assertThat(blockParserFactories).hasSameSizeAs(CORE_FACTORIES);
 
         for (BlockParserFactory factory : CORE_FACTORIES) {
-            assertTrue(hasInstance(blockParserFactories, factory.getClass()));
+            assertThat(hasInstance(blockParserFactories, factory.getClass())).isTrue();
         }
     }
 
     @Test
-    public void calculateBlockParserFactories_givenAListOfAllowedNodes_includesAssociatedFactories() {
+    void calculateBlockParserFactories_givenAListOfAllowedNodes_includesAssociatedFactories() {
         List<BlockParserFactory> customParserFactories = List.of();
         Set<Class<? extends Block>> nodes = new HashSet<>();
         nodes.add(IndentedCodeBlock.class);
 
         List<BlockParserFactory> blockParserFactories = DocumentParser.calculateBlockParserFactories(customParserFactories, nodes);
 
-        assertThat(blockParserFactories.size(), is(1));
-        assertTrue(hasInstance(blockParserFactories, IndentedCodeBlockParser.Factory.class));
+        assertThat(blockParserFactories).hasSize(1);
+        assertThat(hasInstance(blockParserFactories, IndentedCodeBlockParser.Factory.class)).isTrue();
     }
 
     private boolean hasInstance(List<BlockParserFactory> blockParserFactories, Class<? extends BlockParserFactory> factoryClass) {
diff --git a/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java b/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
index 3f22adac6..b69ada0e9 100644
--- a/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/LinkReferenceDefinitionParserTest.java
@@ -3,82 +3,82 @@
 import org.commonmark.internal.LinkReferenceDefinitionParser.State;
 import org.commonmark.node.LinkReferenceDefinition;
 import org.commonmark.parser.SourceLine;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
-public class LinkReferenceDefinitionParserTest {
+class LinkReferenceDefinitionParserTest {
 
     private final LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
 
     @Test
-    public void testStartLabel() {
+    void testStartLabel() {
         assertState("[", State.LABEL, "[");
     }
 
     @Test
-    public void testStartNoLabel() {
+    void testStartNoLabel() {
         // Not a label
         assertParagraph("a");
         // Can not go back to parsing link reference definitions
         parse("a");
         parse("[");
-        assertEquals(State.PARAGRAPH, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.PARAGRAPH);
         assertParagraphLines("a\n[", parser);
     }
 
     @Test
-    public void testEmptyLabel() {
+    void testEmptyLabel() {
         assertParagraph("[]: /");
         assertParagraph("[ ]: /");
         assertParagraph("[ \t\n\u000B\f\r ]: /");
     }
 
     @Test
-    public void testLabelColon() {
+    void testLabelColon() {
         assertParagraph("[foo] : /");
     }
 
     @Test
-    public void testLabel() {
+    void testLabel() {
         assertState("[foo]:", State.DESTINATION, "[foo]:");
         assertState("[ foo ]:", State.DESTINATION, "[ foo ]:");
     }
 
     @Test
-    public void testLabelInvalid() {
+    void testLabelInvalid() {
         assertParagraph("[foo[]:");
     }
 
     @Test
-    public void testLabelMultiline() {
+    void testLabelMultiline() {
         parse("[two");
-        assertEquals(State.LABEL, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.LABEL);
         parse("lines]:");
-        assertEquals(State.DESTINATION, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.DESTINATION);
         parse("/url");
-        assertEquals(State.START_TITLE, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.START_TITLE);
         assertDef(parser.getDefinitions().get(0), "two\nlines", "/url", null);
     }
 
     @Test
-    public void testLabelStartsWithNewline() {
+    void testLabelStartsWithNewline() {
         parse("[");
-        assertEquals(State.LABEL, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.LABEL);
         parse("weird]:");
-        assertEquals(State.DESTINATION, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.DESTINATION);
         parse("/url");
-        assertEquals(State.START_TITLE, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.START_TITLE);
         assertDef(parser.getDefinitions().get(0), "\nweird", "/url", null);
     }
 
     @Test
-    public void testDestination() {
+    void testDestination() {
         parse("[foo]: /url");
-        assertEquals(State.START_TITLE, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.START_TITLE);
         assertParagraphLines("", parser);
 
-        assertEquals(1, parser.getDefinitions().size());
+        assertThat(parser.getDefinitions()).hasSize(1);
         assertDef(parser.getDefinitions().get(0), "foo", "/url", null);
 
         parse("[bar]: </url2>");
@@ -86,91 +86,91 @@ public void testDestination() {
     }
 
     @Test
-    public void testDestinationInvalid() {
+    void testDestinationInvalid() {
         assertParagraph("[foo]: <bar<>");
     }
 
     @Test
-    public void testTitle() {
+    void testTitle() {
         parse("[foo]: /url 'title'");
-        assertEquals(State.START_DEFINITION, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.START_DEFINITION);
         assertParagraphLines("", parser);
 
-        assertEquals(1, parser.getDefinitions().size());
+        assertThat(parser.getDefinitions()).hasSize(1);
         assertDef(parser.getDefinitions().get(0), "foo", "/url", "title");
     }
 
     @Test
-    public void testTitleStartWhitespace() {
+    void testTitleStartWhitespace() {
         parse("[foo]: /url");
-        assertEquals(State.START_TITLE, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.START_TITLE);
         assertParagraphLines("", parser);
 
         parse("   ");
 
-        assertEquals(State.START_DEFINITION, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.START_DEFINITION);
         assertParagraphLines("   ", parser);
 
-        assertEquals(1, parser.getDefinitions().size());
+        assertThat(parser.getDefinitions()).hasSize(1);
         assertDef(parser.getDefinitions().get(0), "foo", "/url", null);
     }
 
     @Test
-    public void testTitleMultiline() {
+    void testTitleMultiline() {
         parse("[foo]: /url 'two");
-        assertEquals(State.TITLE, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.TITLE);
         assertParagraphLines("[foo]: /url 'two", parser);
-        assertEquals(0, parser.getDefinitions().size());
+        assertThat(parser.getDefinitions()).isEmpty();
 
         parse("lines");
-        assertEquals(State.TITLE, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.TITLE);
         assertParagraphLines("[foo]: /url 'two\nlines", parser);
-        assertEquals(0, parser.getDefinitions().size());
+        assertThat(parser.getDefinitions()).isEmpty();
 
         parse("'");
-        assertEquals(State.START_DEFINITION, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.START_DEFINITION);
         assertParagraphLines("", parser);
 
-        assertEquals(1, parser.getDefinitions().size());
+        assertThat(parser.getDefinitions()).hasSize(1);
         assertDef(parser.getDefinitions().get(0), "foo", "/url", "two\nlines\n");
     }
 
     @Test
-    public void testTitleMultiline2() {
+    void testTitleMultiline2() {
         parse("[foo]: /url '");
-        assertEquals(State.TITLE, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.TITLE);
         parse("title'");
-        assertEquals(State.START_DEFINITION, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.START_DEFINITION);
 
         assertDef(parser.getDefinitions().get(0), "foo", "/url", "\ntitle");
     }
 
     @Test
-    public void testTitleMultiline3() {
+    void testTitleMultiline3() {
         parse("[foo]: /url");
-        assertEquals(State.START_TITLE, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.START_TITLE);
         // Note that this looks like a valid title until we parse "bad", at which point we need to treat the whole line
         // as a paragraph line and discard any already parsed title.
         parse("\"title\" bad");
-        assertEquals(State.PARAGRAPH, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.PARAGRAPH);
 
         assertDef(parser.getDefinitions().get(0), "foo", "/url", null);
     }
 
     @Test
-    public void testTitleMultiline4() {
+    void testTitleMultiline4() {
         parse("[foo]: /url");
-        assertEquals(State.START_TITLE, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.START_TITLE);
         parse("(title");
-        assertEquals(State.TITLE, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.TITLE);
         parse("foo(");
-        assertEquals(State.PARAGRAPH, parser.getState());
+        assertThat(parser.getState()).isEqualTo(State.PARAGRAPH);
 
         assertDef(parser.getDefinitions().get(0), "foo", "/url", null);
     }
 
     @Test
-    public void testTitleInvalid() {
+    void testTitleInvalid() {
         assertParagraph("[foo]: /url (invalid(");
         assertParagraph("[foo]: </url>'title'");
         assertParagraph("[foo]: /url 'title' INVALID");
@@ -188,18 +188,18 @@ private static void assertState(String input, State state, String paragraphConte
         LinkReferenceDefinitionParser parser = new LinkReferenceDefinitionParser();
         // TODO: Should we check things with source spans here?
         parser.parse(SourceLine.of(input, null));
-        assertEquals(state, parser.getState());
+        assertThat(parser.getState()).isEqualTo(state);
         assertParagraphLines(paragraphContent, parser);
     }
 
     private static void assertDef(LinkReferenceDefinition def, String label, String destination, String title) {
-        assertEquals(label, def.getLabel());
-        assertEquals(destination, def.getDestination());
-        assertEquals(title, def.getTitle());
+        assertThat(def.getLabel()).isEqualTo(label);
+        assertThat(def.getDestination()).isEqualTo(destination);
+        assertThat(def.getTitle()).isEqualTo(title);
     }
 
     private static void assertParagraphLines(String expectedContent, LinkReferenceDefinitionParser parser) {
         String actual = parser.getParagraphLines().getContent();
-        assertEquals(expectedContent, actual);
+        assertThat(actual).isEqualTo(expectedContent);
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/internal/util/EscapingTest.java b/commonmark/src/test/java/org/commonmark/internal/util/EscapingTest.java
index 9433eb7d0..eb2f1a801 100644
--- a/commonmark/src/test/java/org/commonmark/internal/util/EscapingTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/util/EscapingTest.java
@@ -1,21 +1,21 @@
 package org.commonmark.internal.util;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
-public class EscapingTest {
+class EscapingTest {
 
     @Test
-    public void testEscapeHtml() {
-        assertEquals("nothing to escape", Escaping.escapeHtml("nothing to escape"));
-        assertEquals("&amp;", Escaping.escapeHtml("&"));
-        assertEquals("&lt;", Escaping.escapeHtml("<"));
-        assertEquals("&gt;", Escaping.escapeHtml(">"));
-        assertEquals("&quot;", Escaping.escapeHtml("\""));
-        assertEquals("&lt; start", Escaping.escapeHtml("< start"));
-        assertEquals("end &gt;", Escaping.escapeHtml("end >"));
-        assertEquals("&lt; both &gt;", Escaping.escapeHtml("< both >"));
-        assertEquals("&lt; middle &amp; too &gt;", Escaping.escapeHtml("< middle & too >"));
+    void testEscapeHtml() {
+        assertThat(Escaping.escapeHtml("nothing to escape")).isEqualTo("nothing to escape");
+        assertThat(Escaping.escapeHtml("&")).isEqualTo("&amp;");
+        assertThat(Escaping.escapeHtml("<")).isEqualTo("&lt;");
+        assertThat(Escaping.escapeHtml(">")).isEqualTo("&gt;");
+        assertThat(Escaping.escapeHtml("\"")).isEqualTo("&quot;");
+        assertThat(Escaping.escapeHtml("< start")).isEqualTo("&lt; start");
+        assertThat(Escaping.escapeHtml("end >")).isEqualTo("end &gt;");
+        assertThat(Escaping.escapeHtml("< both >")).isEqualTo("&lt; both &gt;");
+        assertThat(Escaping.escapeHtml("< middle & too >")).isEqualTo("&lt; middle &amp; too &gt;");
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/internal/util/LineReaderTest.java b/commonmark/src/test/java/org/commonmark/internal/util/LineReaderTest.java
index fc48623a8..b52713846 100644
--- a/commonmark/src/test/java/org/commonmark/internal/util/LineReaderTest.java
+++ b/commonmark/src/test/java/org/commonmark/internal/util/LineReaderTest.java
@@ -1,6 +1,6 @@
 package org.commonmark.internal.util;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.io.*;
 import java.nio.charset.StandardCharsets;
@@ -9,13 +9,14 @@
 import java.util.Objects;
 
 import static java.util.stream.Collectors.joining;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.commonmark.internal.util.LineReader.CHAR_BUFFER_SIZE;
-import static org.junit.Assert.*;
 
-public class LineReaderTest {
+class LineReaderTest {
 
     @Test
-    public void testReadLine() throws IOException {
+    void testReadLine() throws IOException {
         assertLines();
 
         assertLines("", "\n");
@@ -48,21 +49,16 @@ public void testReadLine() throws IOException {
     }
 
     @Test
-    public void testClose() throws IOException {
+    void testClose() throws IOException {
         var reader = new InputStreamReader(new ByteArrayInputStream("test".getBytes(StandardCharsets.UTF_8)));
         var lineReader = new LineReader(reader);
         lineReader.close();
         lineReader.close();
-        try {
-            reader.read();
-            fail("Expected read to throw after closing reader");
-        } catch (IOException e) {
-            // Expected
-        }
+        assertThatThrownBy(reader::read).isInstanceOf(IOException.class);
     }
 
     private void assertLines(String... s) throws IOException {
-        assertTrue("Expected parts needs to be even (pairs of content and terminator)", s.length % 2 == 0);
+        assertThat(s.length).as("Expected parts needs to be even (pairs of content and terminator)").isEven();
         var input = Arrays.stream(s).filter(Objects::nonNull).collect(joining(""));
 
         assertLines(new StringReader(input), s);
@@ -77,8 +73,8 @@ private static void assertLines(Reader reader, String... expectedParts) throws I
                 lines.add(line);
                 lines.add(lineReader.getLineTerminator());
             }
-            assertNull(lineReader.getLineTerminator());
-            assertEquals(Arrays.asList(expectedParts), lines);
+            assertThat(lineReader.getLineTerminator()).isNull();
+            assertThat(lines).containsExactly(expectedParts);
         }
     }
 
diff --git a/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
index ed97b6f31..d0f45a6bc 100644
--- a/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/parser/InlineContentParserTest.java
@@ -1,53 +1,51 @@
 package org.commonmark.parser;
 
-import org.commonmark.node.CustomNode;
-import org.commonmark.node.Heading;
-import org.commonmark.node.Image;
-import org.commonmark.node.Text;
+import org.commonmark.node.*;
 import org.commonmark.parser.beta.InlineContentParser;
 import org.commonmark.parser.beta.InlineContentParserFactory;
 import org.commonmark.parser.beta.InlineParserState;
 import org.commonmark.parser.beta.ParsedInline;
 import org.commonmark.test.Nodes;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
-public class InlineContentParserTest {
+class InlineContentParserTest {
 
     @Test
-    public void customInlineContentParser() {
+    void customInlineContentParser() {
         var parser = Parser.builder().customInlineContentParserFactory(new DollarInlineParser.Factory()).build();
         var doc = parser.parse("Test: $hey *there*$ $you$\n\n# Heading $heading$\n");
         var inline1 = Nodes.find(doc, DollarInline.class);
-        assertEquals("hey *there*", inline1.getLiteral());
+        assertThat(inline1.getLiteral()).isEqualTo("hey *there*");
 
         var inline2 = (DollarInline) doc.getFirstChild().getLastChild();
-        assertEquals("you", inline2.getLiteral());
+        assertThat(inline2.getLiteral()).isEqualTo("you");
 
         var heading = Nodes.find(doc, Heading.class);
         var inline3 = (DollarInline) heading.getLastChild();
-        assertEquals("heading", inline3.getLiteral());
+        assertThat(inline3.getLiteral()).isEqualTo("heading");
 
         // Parser is created for each inline snippet, which is why the index resets for the second snippet.
-        assertEquals(0, inline1.getIndex());
-        assertEquals(1, inline2.getIndex());
-        assertEquals(0, inline3.getIndex());
+        assertThat(inline1.getIndex()).isEqualTo(0);
+        assertThat(inline2.getIndex()).isEqualTo(1);
+        assertThat(inline3.getIndex()).isEqualTo(0);
     }
 
     @Test
-    public void bangInlineContentParser() {
+    void bangInlineContentParser() {
         // See if using ! for a custom inline content parser works.
         // ![] is used for images, but if it's not followed by a [, it should be possible to parse it differently.
         var parser = Parser.builder().customInlineContentParserFactory(new BangInlineParser.Factory()).build();
         var doc = parser.parse("![image](url) !notimage");
         var image = Nodes.find(doc, Image.class);
-        assertEquals("url", image.getDestination());
-        assertEquals(" ", ((Text) image.getNext()).getLiteral());
-        assertEquals(BangInline.class, image.getNext().getNext().getClass());
-        assertEquals("notimage", ((Text) image.getNext().getNext().getNext()).getLiteral());
+        assertThat(image.getDestination()).isEqualTo("url");
+        assertThat(((Text) image.getNext()).getLiteral()).isEqualTo(" ");
+        // Class
+        assertThat(image.getNext().getNext()).isInstanceOf(BangInline.class);
+        assertThat(((Text) image.getNext().getNext().getNext()).getLiteral()).isEqualTo("notimage");
     }
 
     private static class DollarInline extends CustomNode {
diff --git a/commonmark/src/test/java/org/commonmark/parser/beta/LinkProcessorTest.java b/commonmark/src/test/java/org/commonmark/parser/beta/LinkProcessorTest.java
index 6209ac9a0..ef8739128 100644
--- a/commonmark/src/test/java/org/commonmark/parser/beta/LinkProcessorTest.java
+++ b/commonmark/src/test/java/org/commonmark/parser/beta/LinkProcessorTest.java
@@ -4,13 +4,14 @@
 import org.commonmark.node.Text;
 import org.commonmark.parser.Parser;
 import org.commonmark.test.Nodes;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
+
+class LinkProcessorTest {
 
-public class LinkProcessorTest {
     @Test
-    public void testLinkMarkerShouldNotBeIncludedByDefault() {
+    void testLinkMarkerShouldNotBeIncludedByDefault() {
         // If a link marker is registered but is not processed, the built-in link processor shouldn't consume it.
         // And I think by default, other processors shouldn't consume it either (by accident).
         // So requiring processors to opt into including the marker is better than requiring them to opt out,
@@ -19,7 +20,7 @@ public void testLinkMarkerShouldNotBeIncludedByDefault() {
         var parser = Parser.builder().linkMarker('^').build();
         var doc = parser.parse("^[test](url)");
         var link = Nodes.find(doc, Link.class);
-        assertEquals("url", link.getDestination());
-        assertEquals("^", ((Text) link.getPrevious()).getLiteral());
+        assertThat(link.getDestination()).isEqualTo("url");
+        assertThat(((Text) link.getPrevious()).getLiteral()).isEqualTo("^");
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java b/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
index 14c118ab9..bd74cab0e 100644
--- a/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
+++ b/commonmark/src/test/java/org/commonmark/parser/beta/ScannerTest.java
@@ -3,87 +3,87 @@
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.SourceLine;
 import org.commonmark.parser.SourceLines;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.List;
 
-import static org.junit.Assert.*;
+import static org.assertj.core.api.Assertions.assertThat;
 
-public class ScannerTest {
+class ScannerTest {
 
     @Test
-    public void testNext() {
+    void testNext() {
         Scanner scanner = new Scanner(List.of(
                 SourceLine.of("foo bar", null)),
                 0, 4);
-        assertEquals('b', scanner.peek());
+        assertThat(scanner.peek()).isEqualTo('b');
         scanner.next();
-        assertEquals('a', scanner.peek());
+        assertThat(scanner.peek()).isEqualTo('a');
         scanner.next();
-        assertEquals('r', scanner.peek());
+        assertThat(scanner.peek()).isEqualTo('r');
         scanner.next();
-        assertEquals('\0', scanner.peek());
+        assertThat(scanner.peek()).isEqualTo('\0');
     }
 
     @Test
-    public void testMultipleLines() {
+    void testMultipleLines() {
         Scanner scanner = new Scanner(List.of(
                 SourceLine.of("ab", null),
                 SourceLine.of("cde", null)),
                 0, 0);
-        assertTrue(scanner.hasNext());
-        assertEquals('\0', scanner.peekPreviousCodePoint());
-        assertEquals('a', scanner.peek());
+        assertThat(scanner.hasNext()).isTrue();
+        assertThat(scanner.peekPreviousCodePoint()).isEqualTo('\0');
+        assertThat(scanner.peek()).isEqualTo('a');
         scanner.next();
 
-        assertTrue(scanner.hasNext());
-        assertEquals('a', scanner.peekPreviousCodePoint());
-        assertEquals('b', scanner.peek());
+        assertThat(scanner.hasNext()).isTrue();
+        assertThat(scanner.peekPreviousCodePoint()).isEqualTo('a');
+        assertThat(scanner.peek()).isEqualTo('b');
         scanner.next();
 
-        assertTrue(scanner.hasNext());
-        assertEquals('b', scanner.peekPreviousCodePoint());
-        assertEquals('\n', scanner.peek());
+        assertThat(scanner.hasNext()).isTrue();
+        assertThat(scanner.peekPreviousCodePoint()).isEqualTo('b');
+        assertThat(scanner.peek()).isEqualTo('\n');
         scanner.next();
 
-        assertTrue(scanner.hasNext());
-        assertEquals('\n', scanner.peekPreviousCodePoint());
-        assertEquals('c', scanner.peek());
+        assertThat(scanner.hasNext()).isTrue();
+        assertThat(scanner.peekPreviousCodePoint()).isEqualTo('\n');
+        assertThat(scanner.peek()).isEqualTo('c');
         scanner.next();
 
-        assertTrue(scanner.hasNext());
-        assertEquals('c', scanner.peekPreviousCodePoint());
-        assertEquals('d', scanner.peek());
+        assertThat(scanner.hasNext()).isTrue();
+        assertThat(scanner.peekPreviousCodePoint()).isEqualTo('c');
+        assertThat(scanner.peek()).isEqualTo('d');
         scanner.next();
 
-        assertTrue(scanner.hasNext());
-        assertEquals('d', scanner.peekPreviousCodePoint());
-        assertEquals('e', scanner.peek());
+        assertThat(scanner.hasNext()).isTrue();
+        assertThat(scanner.peekPreviousCodePoint()).isEqualTo('d');
+        assertThat(scanner.peek()).isEqualTo('e');
         scanner.next();
 
-        assertFalse(scanner.hasNext());
-        assertEquals('e', scanner.peekPreviousCodePoint());
-        assertEquals('\0', scanner.peek());
+        assertThat(scanner.hasNext()).isFalse();
+        assertThat(scanner.peekPreviousCodePoint()).isEqualTo('e');
+        assertThat(scanner.peek()).isEqualTo('\0');
     }
 
     @Test
-    public void testCodePoints() {
+    void testCodePoints() {
         Scanner scanner = new Scanner(List.of(SourceLine.of("\uD83D\uDE0A", null)), 0, 0);
 
-        assertTrue(scanner.hasNext());
-        assertEquals('\0', scanner.peekPreviousCodePoint());
-        assertEquals(128522, scanner.peekCodePoint());
+        assertThat(scanner.hasNext()).isTrue();
+        assertThat(scanner.peekPreviousCodePoint()).isEqualTo('\0');
+        assertThat(scanner.peekCodePoint()).isEqualTo(128522);
         scanner.next();
         // This jumps chars, not code points. So jump two here
         scanner.next();
 
-        assertFalse(scanner.hasNext());
-        assertEquals(128522, scanner.peekPreviousCodePoint());
-        assertEquals('\0', scanner.peekCodePoint());
+        assertThat(scanner.hasNext()).isFalse();
+        assertThat(scanner.peekPreviousCodePoint()).isEqualTo(128522);
+        assertThat(scanner.peekCodePoint()).isEqualTo('\0');
     }
 
     @Test
-    public void testTextBetween() {
+    void testTextBetween() {
         Scanner scanner = new Scanner(List.of(
                 SourceLine.of("ab", SourceSpan.of(10, 3, 13, 2)),
                 SourceLine.of("cde", SourceSpan.of(11, 4, 20, 3))),
@@ -139,20 +139,20 @@ public void testTextBetween() {
     }
 
     private void assertSourceLines(SourceLines sourceLines, String expectedContent, SourceSpan... expectedSourceSpans) {
-        assertEquals(expectedContent, sourceLines.getContent());
-        assertEquals(List.of(expectedSourceSpans), sourceLines.getSourceSpans());
+        assertThat(sourceLines.getContent()).isEqualTo(expectedContent);
+        assertThat(sourceLines.getSourceSpans()).isEqualTo(List.of(expectedSourceSpans));
     }
 
     @Test
-    public void nextString() {
+    void nextString() {
         Scanner scanner = Scanner.of(SourceLines.of(List.of(
                 SourceLine.of("hey ya", null),
                 SourceLine.of("hi", null))));
-        assertFalse(scanner.next("hoy"));
-        assertTrue(scanner.next("hey"));
-        assertTrue(scanner.next(' '));
-        assertFalse(scanner.next("yo"));
-        assertTrue(scanner.next("ya"));
-        assertFalse(scanner.next(" "));
+        assertThat(scanner.next("hoy")).isFalse();
+        assertThat(scanner.next("hey")).isTrue();
+        assertThat(scanner.next(' ')).isTrue();
+        assertThat(scanner.next("yo")).isFalse();
+        assertThat(scanner.next("ya")).isTrue();
+        assertThat(scanner.next(" ")).isFalse();
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 36a5b528c..36b8adad9 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -3,15 +3,12 @@
 import org.commonmark.node.*;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.NodeRenderer;
-import org.commonmark.renderer.html.HtmlNodeRendererContext;
-import org.commonmark.renderer.html.HtmlNodeRendererFactory;
-import org.commonmark.renderer.html.HtmlRenderer;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Set;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.commonmark.testutil.Asserts.assertRendering;
-import static org.junit.Assert.assertEquals;
 
 public class MarkdownRendererTest {
 
@@ -31,7 +28,7 @@ public void testThematicBreaks() {
 
         // Apply fallback for null literal
         ThematicBreak node = new ThematicBreak();
-        assertEquals("___", render(node));
+        assertThat(render(node)).isEqualTo("___");
     }
 
     @Test
@@ -255,7 +252,7 @@ public void testEmphasis() {
         Emphasis e2 = new Emphasis();
         e1.appendChild(e2);
         e2.appendChild(new Text("hi"));
-        assertEquals("*_hi_*\n", render(doc));
+        assertThat(render(doc)).isEqualTo("*_hi_*\n");
     }
 
     @Test
@@ -332,12 +329,12 @@ public Set<Character> getSpecialCharacters() {
 
         MarkdownRenderer renderer = MarkdownRenderer.builder().nodeRendererFactory(nodeRendererFactory).build();
         String rendered = renderer.render(parse("# Hello"));
-        assertEquals("# Custom heading\n", rendered);
+        assertThat(rendered).isEqualTo("# Custom heading\n");
     }
 
     private void assertRoundTrip(String input) {
         String rendered = parseAndRender(input);
-        assertEquals(input, rendered);
+        assertThat(rendered).isEqualTo(input);
     }
 
     private String parseAndRender(String source) {
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
index 5df2e5c80..3b88df55d 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/SpecMarkdownRendererTest.java
@@ -6,15 +6,14 @@
 import org.commonmark.testutil.TestResources;
 import org.commonmark.testutil.example.Example;
 import org.commonmark.testutil.example.ExampleReader;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.assertj.core.api.Assertions.assertThat;
 
 /**
  * Tests Markdown rendering using the examples in the spec like this:
@@ -63,9 +62,8 @@ public void testCoverage() {
             System.out.println();
         }
 
-        int expectedPassed = 652;
-        assertTrue("Expected at least " + expectedPassed + " examples to pass but was " + passes.size(), passes.size() >= expectedPassed);
-        assertEquals(0, fails.size());
+        assertThat(passes).hasSizeGreaterThanOrEqualTo(652);
+        assertThat(fails).isEmpty();
     }
 
     private static void printCountsBySection(List<Example> examples) {
diff --git a/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java b/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java
index b3b60fa3b..edb6936f4 100644
--- a/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java
@@ -1,10 +1,9 @@
 package org.commonmark.test;
 
 import org.commonmark.node.*;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class AbstractVisitorTest {
 
@@ -26,13 +25,13 @@ public void visit(Text text) {
 
         assertCode("foo", paragraph.getFirstChild());
         assertCode("bar", paragraph.getFirstChild().getNext());
-        assertNull(paragraph.getFirstChild().getNext().getNext());
+        assertThat(paragraph.getFirstChild().getNext().getNext()).isNull();
         assertCode("bar", paragraph.getLastChild());
     }
 
     private static void assertCode(String expectedLiteral, Node node) {
-        assertEquals("Expected node to be a Code node: " + node, Code.class, node.getClass());
+        assertThat(node).isInstanceOf(Code.class);
         Code code = (Code) node;
-        assertEquals(expectedLiteral, code.getLiteral());
+        assertThat(code.getLiteral()).isEqualTo(expectedLiteral);
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/DelimitedTest.java b/commonmark/src/test/java/org/commonmark/test/DelimitedTest.java
index a34a32c44..3f2f0d611 100644
--- a/commonmark/src/test/java/org/commonmark/test/DelimitedTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/DelimitedTest.java
@@ -2,12 +2,12 @@
 
 import org.commonmark.node.*;
 import org.commonmark.parser.Parser;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class DelimitedTest {
 
@@ -35,20 +35,20 @@ public void visit(StrongEmphasis node) {
         };
         document.accept(visitor);
 
-        assertEquals(4, list.size());
+        assertThat(list).hasSize(4);
 
         Delimited emphasis = list.get(0);
         Delimited strong = list.get(1);
         Delimited important = list.get(2);
         Delimited critical = list.get(3);
 
-        assertEquals("*", emphasis.getOpeningDelimiter());
-        assertEquals("*", emphasis.getClosingDelimiter());
-        assertEquals("**", strong.getOpeningDelimiter());
-        assertEquals("**", strong.getClosingDelimiter());
-        assertEquals("_", important.getOpeningDelimiter());
-        assertEquals("_", important.getClosingDelimiter());
-        assertEquals("__", critical.getOpeningDelimiter());
-        assertEquals("__", critical.getClosingDelimiter());
+        assertThat(emphasis.getOpeningDelimiter()).isEqualTo("*");
+        assertThat(emphasis.getClosingDelimiter()).isEqualTo("*");
+        assertThat(strong.getOpeningDelimiter()).isEqualTo("**");
+        assertThat(strong.getClosingDelimiter()).isEqualTo("**");
+        assertThat(important.getOpeningDelimiter()).isEqualTo("_");
+        assertThat(important.getClosingDelimiter()).isEqualTo("_");
+        assertThat(critical.getOpeningDelimiter()).isEqualTo("__");
+        assertThat(critical.getClosingDelimiter()).isEqualTo("__");
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java b/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
index 680c40bf2..e4920120d 100644
--- a/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/DelimiterProcessorTest.java
@@ -11,12 +11,13 @@
 import org.commonmark.renderer.html.HtmlNodeRendererFactory;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Locale;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 public class DelimiterProcessorTest extends RenderingTestCase {
 
@@ -29,8 +30,8 @@ public void delimiterProcessorWithInvalidDelimiterUse() {
                 .customDelimiterProcessor(new CustomDelimiterProcessor(':', 0))
                 .customDelimiterProcessor(new CustomDelimiterProcessor(';', -1))
                 .build();
-        assertEquals("<p>:test:</p>\n", RENDERER.render(parser.parse(":test:")));
-        assertEquals("<p>;test;</p>\n", RENDERER.render(parser.parse(";test;")));
+        assertThat(RENDERER.render(parser.parse(":test:"))).isEqualTo("<p>:test:</p>\n");
+        assertThat(RENDERER.render(parser.parse(";test;"))).isEqualTo("<p>;test;</p>\n");
     }
 
     @Test
@@ -54,16 +55,17 @@ public void multipleDelimitersWithDifferentLengths() {
                 .customDelimiterProcessor(new OneDelimiterProcessor())
                 .customDelimiterProcessor(new TwoDelimiterProcessor())
                 .build();
-        assertEquals("<p>(1)one(/1) (2)two(/2)</p>\n", RENDERER.render(parser.parse("+one+ ++two++")));
-        assertEquals("<p>(1)(2)both(/2)(/1)</p>\n", RENDERER.render(parser.parse("+++both+++")));
+        assertThat(RENDERER.render(parser.parse("+one+ ++two++"))).isEqualTo("<p>(1)one(/1) (2)two(/2)</p>\n");
+        assertThat(RENDERER.render(parser.parse("+++both+++"))).isEqualTo("<p>(1)(2)both(/2)(/1)</p>\n");
     }
 
-    @Test(expected = IllegalArgumentException.class)
+    @Test
     public void multipleDelimitersWithSameLengthConflict() {
-        Parser.builder()
-                .customDelimiterProcessor(new OneDelimiterProcessor())
-                .customDelimiterProcessor(new OneDelimiterProcessor())
-                .build();
+        assertThatThrownBy(() ->
+                Parser.builder()
+                        .customDelimiterProcessor(new OneDelimiterProcessor())
+                        .customDelimiterProcessor(new OneDelimiterProcessor())
+                        .build()).isInstanceOf(IllegalArgumentException.class);
     }
 
     @Override
diff --git a/commonmark/src/test/java/org/commonmark/test/FencedCodeBlockParserTest.java b/commonmark/src/test/java/org/commonmark/test/FencedCodeBlockParserTest.java
index 774c6ff0e..443b0fa51 100644
--- a/commonmark/src/test/java/org/commonmark/test/FencedCodeBlockParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/FencedCodeBlockParserTest.java
@@ -5,9 +5,9 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class FencedCodeBlockParserTest extends RenderingTestCase {
 
@@ -18,8 +18,8 @@ public class FencedCodeBlockParserTest extends RenderingTestCase {
     public void backtickInfo() {
         Node document = PARSER.parse("```info ~ test\ncode\n```");
         FencedCodeBlock codeBlock = (FencedCodeBlock) document.getFirstChild();
-        assertEquals("info ~ test", codeBlock.getInfo());
-        assertEquals("code\n", codeBlock.getLiteral());
+        assertThat(codeBlock.getInfo()).isEqualTo("info ~ test");
+        assertThat(codeBlock.getLiteral()).isEqualTo("code\n");
     }
 
     @Test
diff --git a/commonmark/src/test/java/org/commonmark/test/HeadingParserTest.java b/commonmark/src/test/java/org/commonmark/test/HeadingParserTest.java
index a5b179a81..f7bf35a4c 100644
--- a/commonmark/src/test/java/org/commonmark/test/HeadingParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HeadingParserTest.java
@@ -3,7 +3,7 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.RenderingTestCase;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 public class HeadingParserTest extends RenderingTestCase {
 
diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java
index 965a2f181..8e1fd9790 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlInlineParserTest.java
@@ -1,6 +1,6 @@
 package org.commonmark.test;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 public class HtmlInlineParserTest extends CoreRenderingTestCase {
 
diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
index 8e5a8f30d..413bb9d8a 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
@@ -5,59 +5,54 @@
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.*;
 import org.commonmark.testutil.TestResources;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.ArrayList;
-import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.concurrent.Callable;
-import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 
-import static org.hamcrest.CoreMatchers.is;
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class HtmlRendererTest {
 
     @Test
     public void htmlAllowingShouldNotEscapeInlineHtml() {
         String rendered = htmlAllowingRenderer().render(parse("paragraph with <span id='foo' class=\"bar\">inline &amp; html</span>"));
-        assertEquals("<p>paragraph with <span id='foo' class=\"bar\">inline &amp; html</span></p>\n", rendered);
+        assertThat(rendered).isEqualTo("<p>paragraph with <span id='foo' class=\"bar\">inline &amp; html</span></p>\n");
     }
 
     @Test
     public void htmlAllowingShouldNotEscapeBlockHtml() {
         String rendered = htmlAllowingRenderer().render(parse("<div id='foo' class=\"bar\">block &amp;</div>"));
-        assertEquals("<div id='foo' class=\"bar\">block &amp;</div>\n", rendered);
+        assertThat(rendered).isEqualTo("<div id='foo' class=\"bar\">block &amp;</div>\n");
     }
 
     @Test
     public void htmlEscapingShouldEscapeInlineHtml() {
         String rendered = htmlEscapingRenderer().render(parse("paragraph with <span id='foo' class=\"bar\">inline &amp; html</span>"));
         // Note that &amp; is not escaped, as it's a normal text node, not part of the inline HTML.
-        assertEquals("<p>paragraph with &lt;span id='foo' class=&quot;bar&quot;&gt;inline &amp; html&lt;/span&gt;</p>\n", rendered);
+        assertThat(rendered).isEqualTo("<p>paragraph with &lt;span id='foo' class=&quot;bar&quot;&gt;inline &amp; html&lt;/span&gt;</p>\n");
     }
 
     @Test
     public void htmlEscapingShouldEscapeHtmlBlocks() {
         String rendered = htmlEscapingRenderer().render(parse("<div id='foo' class=\"bar\">block &amp;</div>"));
-        assertEquals("<p>&lt;div id='foo' class=&quot;bar&quot;&gt;block &amp;amp;&lt;/div&gt;</p>\n", rendered);
+        assertThat(rendered).isEqualTo("<p>&lt;div id='foo' class=&quot;bar&quot;&gt;block &amp;amp;&lt;/div&gt;</p>\n");
     }
 
     @Test
     public void textEscaping() {
         String rendered = defaultRenderer().render(parse("escaping: & < > \" '"));
-        assertEquals("<p>escaping: &amp; &lt; &gt; &quot; '</p>\n", rendered);
+        assertThat(rendered).isEqualTo("<p>escaping: &amp; &lt; &gt; &quot; '</p>\n");
     }
 
     @Test
     public void characterReferencesWithoutSemicolonsShouldNotBeParsedShouldBeEscaped() {
         String input = "[example](&#x6A&#x61&#x76&#x61&#x73&#x63&#x72&#x69&#x70&#x74&#x3A&#x61&#x6C&#x65&#x72&#x74&#x28&#x27&#x58&#x53&#x53&#x27&#x29)";
         String rendered = defaultRenderer().render(parse(input));
-        assertEquals("<p><a href=\"&amp;#x6A&amp;#x61&amp;#x76&amp;#x61&amp;#x73&amp;#x63&amp;#x72&amp;#x69&amp;#x70&amp;#x74&amp;#x3A&amp;#x61&amp;#x6C&amp;#x65&amp;#x72&amp;#x74&amp;#x28&amp;#x27&amp;#x58&amp;#x53&amp;#x53&amp;#x27&amp;#x29\">example</a></p>\n", rendered);
+        assertThat(rendered).isEqualTo("<p><a href=\"&amp;#x6A&amp;#x61&amp;#x76&amp;#x61&amp;#x73&amp;#x63&amp;#x72&amp;#x69&amp;#x70&amp;#x74&amp;#x3A&amp;#x61&amp;#x6C&amp;#x65&amp;#x72&amp;#x74&amp;#x28&amp;#x27&amp;#x58&amp;#x53&amp;#x53&amp;#x27&amp;#x29\">example</a></p>\n");
     }
 
     @Test
@@ -66,7 +61,7 @@ public void attributeEscaping() {
         Link link = new Link();
         link.setDestination("&colon;");
         paragraph.appendChild(link);
-        assertEquals("<p><a href=\"&amp;colon;\"></a></p>\n", defaultRenderer().render(paragraph));
+        assertThat(defaultRenderer().render(paragraph)).isEqualTo("<p><a href=\"&amp;colon;\"></a></p>\n");
     }
 
     @Test
@@ -75,7 +70,7 @@ public void rawUrlsShouldNotFilterDangerousProtocols() {
         Link link = new Link();
         link.setDestination("javascript:alert(5);");
         paragraph.appendChild(link);
-        assertEquals("<p><a href=\"javascript:alert(5);\"></a></p>\n", rawUrlsRenderer().render(paragraph));
+        assertThat(rawUrlsRenderer().render(paragraph)).isEqualTo("<p><a href=\"javascript:alert(5);\"></a></p>\n");
     }
 
     @Test
@@ -84,13 +79,13 @@ public void sanitizedUrlsShouldSetRelNoFollow() {
         Link link = new Link();
         link.setDestination("/exampleUrl");
         paragraph.appendChild(link);
-        assertEquals("<p><a rel=\"nofollow\" href=\"/exampleUrl\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+        assertThat(sanitizeUrlsRenderer().render(paragraph)).isEqualTo("<p><a rel=\"nofollow\" href=\"/exampleUrl\"></a></p>\n");
 
         paragraph = new Paragraph();
         link = new Link();
         link.setDestination("https://google.com");
         paragraph.appendChild(link);
-        assertEquals("<p><a rel=\"nofollow\" href=\"https://google.com\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+        assertThat(sanitizeUrlsRenderer().render(paragraph)).isEqualTo("<p><a rel=\"nofollow\" href=\"https://google.com\"></a></p>\n");
     }
 
     @Test
@@ -99,26 +94,26 @@ public void sanitizedUrlsShouldAllowSafeProtocols() {
         Link link = new Link();
         link.setDestination("http://google.com");
         paragraph.appendChild(link);
-        assertEquals("<p><a rel=\"nofollow\" href=\"http://google.com\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+        assertThat(sanitizeUrlsRenderer().render(paragraph)).isEqualTo("<p><a rel=\"nofollow\" href=\"http://google.com\"></a></p>\n");
 
         paragraph = new Paragraph();
         link = new Link();
         link.setDestination("https://google.com");
         paragraph.appendChild(link);
-        assertEquals("<p><a rel=\"nofollow\" href=\"https://google.com\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+        assertThat(sanitizeUrlsRenderer().render(paragraph)).isEqualTo("<p><a rel=\"nofollow\" href=\"https://google.com\"></a></p>\n");
 
         paragraph = new Paragraph();
         link = new Link();
         link.setDestination("mailto:foo@bar.example.com");
         paragraph.appendChild(link);
-        assertEquals("<p><a rel=\"nofollow\" href=\"mailto:foo@bar.example.com\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+        assertThat(sanitizeUrlsRenderer().render(paragraph)).isEqualTo("<p><a rel=\"nofollow\" href=\"mailto:foo@bar.example.com\"></a></p>\n");
 
         String image = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAAFiUAABYlAUlSJPAAAAAQSURBVBhXY/iPBVBf8P9/AG8TY51nJdgkAAAAAElFTkSuQmCC";
         paragraph = new Paragraph();
         link = new Link();
         link.setDestination(image);
         paragraph.appendChild(link);
-        assertEquals("<p><a rel=\"nofollow\" href=\"" + image + "\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+        assertThat(sanitizeUrlsRenderer().render(paragraph)).isEqualTo("<p><a rel=\"nofollow\" href=\"" + image + "\"></a></p>\n");
     }
 
     @Test
@@ -127,45 +122,42 @@ public void sanitizedUrlsShouldFilterDangerousProtocols() {
         Link link = new Link();
         link.setDestination("javascript:alert(5);");
         paragraph.appendChild(link);
-        assertEquals("<p><a rel=\"nofollow\" href=\"\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+        assertThat(sanitizeUrlsRenderer().render(paragraph)).isEqualTo("<p><a rel=\"nofollow\" href=\"\"></a></p>\n");
 
         paragraph = new Paragraph();
         link = new Link();
         link.setDestination("ftp://google.com");
         paragraph.appendChild(link);
-        assertEquals("<p><a rel=\"nofollow\" href=\"\"></a></p>\n", sanitizeUrlsRenderer().render(paragraph));
+        assertThat(sanitizeUrlsRenderer().render(paragraph)).isEqualTo("<p><a rel=\"nofollow\" href=\"\"></a></p>\n");
     }
 
     @Test
     public void percentEncodeUrlDisabled() {
-        assertEquals("<p><a href=\"foo&amp;bar\">a</a></p>\n", defaultRenderer().render(parse("[a](foo&amp;bar)")));
-        assertEquals("<p><a href=\"ä\">a</a></p>\n", defaultRenderer().render(parse("[a](ä)")));
-        assertEquals("<p><a href=\"foo%20bar\">a</a></p>\n", defaultRenderer().render(parse("[a](foo%20bar)")));
+        assertThat(defaultRenderer().render(parse("[a](foo&amp;bar)"))).isEqualTo("<p><a href=\"foo&amp;bar\">a</a></p>\n");
+        assertThat(defaultRenderer().render(parse("[a](ä)"))).isEqualTo("<p><a href=\"ä\">a</a></p>\n");
+        assertThat(defaultRenderer().render(parse("[a](foo%20bar)"))).isEqualTo("<p><a href=\"foo%20bar\">a</a></p>\n");
     }
 
     @Test
     public void percentEncodeUrl() {
         // Entities are escaped anyway
-        assertEquals("<p><a href=\"foo&amp;bar\">a</a></p>\n", percentEncodingRenderer().render(parse("[a](foo&amp;bar)")));
+        assertThat(percentEncodingRenderer().render(parse("[a](foo&amp;bar)"))).isEqualTo("<p><a href=\"foo&amp;bar\">a</a></p>\n");
         // Existing encoding is preserved
-        assertEquals("<p><a href=\"foo%20bar\">a</a></p>\n", percentEncodingRenderer().render(parse("[a](foo%20bar)")));
-        assertEquals("<p><a href=\"foo%61\">a</a></p>\n", percentEncodingRenderer().render(parse("[a](foo%61)")));
+        assertThat(percentEncodingRenderer().render(parse("[a](foo%20bar)"))).isEqualTo("<p><a href=\"foo%20bar\">a</a></p>\n");
+        assertThat(percentEncodingRenderer().render(parse("[a](foo%61)"))).isEqualTo("<p><a href=\"foo%61\">a</a></p>\n");
         // Invalid encoding is escaped
-        assertEquals("<p><a href=\"foo%25\">a</a></p>\n", percentEncodingRenderer().render(parse("[a](foo%)")));
-        assertEquals("<p><a href=\"foo%25a\">a</a></p>\n", percentEncodingRenderer().render(parse("[a](foo%a)")));
-        assertEquals("<p><a href=\"foo%25a_\">a</a></p>\n", percentEncodingRenderer().render(parse("[a](foo%a_)")));
-        assertEquals("<p><a href=\"foo%25xx\">a</a></p>\n", percentEncodingRenderer().render(parse("[a](foo%xx)")));
+        assertThat(percentEncodingRenderer().render(parse("[a](foo%)"))).isEqualTo("<p><a href=\"foo%25\">a</a></p>\n");
+        assertThat(percentEncodingRenderer().render(parse("[a](foo%a)"))).isEqualTo("<p><a href=\"foo%25a\">a</a></p>\n");
+        assertThat(percentEncodingRenderer().render(parse("[a](foo%a_)"))).isEqualTo("<p><a href=\"foo%25a_\">a</a></p>\n");
+        assertThat(percentEncodingRenderer().render(parse("[a](foo%xx)"))).isEqualTo("<p><a href=\"foo%25xx\">a</a></p>\n");
         // Reserved characters are preserved, except for '[' and ']'
-        assertEquals("<p><a href=\"!*'();:@&amp;=+$,/?#%5B%5D\">a</a></p>\n", percentEncodingRenderer().render(parse("[a](!*'();:@&=+$,/?#[])")));
+        assertThat(percentEncodingRenderer().render(parse("[a](!*'();:@&=+$,/?#[])"))).isEqualTo("<p><a href=\"!*'();:@&amp;=+$,/?#%5B%5D\">a</a></p>\n");
         // Unreserved characters are preserved
-        assertEquals("<p><a href=\"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~\">a</a></p>\n",
-                percentEncodingRenderer().render(parse("[a](ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~)")));
+        assertThat(percentEncodingRenderer().render(parse("[a](ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~)"))).isEqualTo("<p><a href=\"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_.~\">a</a></p>\n");
         // Other characters are percent-encoded (LATIN SMALL LETTER A WITH DIAERESIS)
-        assertEquals("<p><a href=\"%C3%A4\">a</a></p>\n",
-                percentEncodingRenderer().render(parse("[a](ä)")));
+        assertThat(percentEncodingRenderer().render(parse("[a](ä)"))).isEqualTo("<p><a href=\"%C3%A4\">a</a></p>\n");
         // Other characters are percent-encoded (MUSICAL SYMBOL G CLEF, surrogate pair in UTF-16)
-        assertEquals("<p><a href=\"%F0%9D%84%9E\">a</a></p>\n",
-                percentEncodingRenderer().render(parse("[a](\uD834\uDD1E)")));
+        assertThat(percentEncodingRenderer().render(parse("[a](\uD834\uDD1E)"))).isEqualTo("<p><a href=\"%F0%9D%84%9E\">a</a></p>\n");
     }
 
     @Test
@@ -192,10 +184,10 @@ public void setAttributes(Node node, String tagName, Map<String, String> attribu
 
         HtmlRenderer renderer = HtmlRenderer.builder().attributeProviderFactory(custom).build();
         String rendered = renderer.render(parse("```info\ncontent\n```"));
-        assertEquals("<pre data-code-block=\"fenced\"><code data-custom=\"info\">content\n</code></pre>\n", rendered);
+        assertThat(rendered).isEqualTo("<pre data-code-block=\"fenced\"><code data-custom=\"info\">content\n</code></pre>\n");
 
         String rendered2 = renderer.render(parse("```evil\"\ncontent\n```"));
-        assertEquals("<pre data-code-block=\"fenced\"><code data-custom=\"evil&quot;\">content\n</code></pre>\n", rendered2);
+        assertThat(rendered2).isEqualTo("<pre data-code-block=\"fenced\"><code data-custom=\"evil&quot;\">content\n</code></pre>\n");
     }
 
     @Test
@@ -217,7 +209,7 @@ public void setAttributes(Node node, String tagName, Map<String, String> attribu
 
         HtmlRenderer renderer = HtmlRenderer.builder().attributeProviderFactory(custom).build();
         String rendered = renderer.render(parse("![foo](/url)\n"));
-        assertEquals("<p><img src=\"/url\" test=\"hey\" /></p>\n", rendered);
+        assertThat(rendered).isEqualTo("<p><img src=\"/url\" test=\"hey\" /></p>\n");
     }
 
     @Test
@@ -240,7 +232,7 @@ public void setAttributes(Node node, String tagName, Map<String, String> attribu
         HtmlRenderer renderer = HtmlRenderer.builder().attributeProviderFactory(factory).build();
         String rendered = renderer.render(parse("text node"));
         String secondPass = renderer.render(parse("text node"));
-        assertEquals(rendered, secondPass);
+        assertThat(secondPass).isEqualTo(rendered);
     }
 
     @Test
@@ -264,30 +256,27 @@ public void render(Node node) {
 
         HtmlRenderer renderer = HtmlRenderer.builder().nodeRendererFactory(nodeRendererFactory).build();
         String rendered = renderer.render(parse("foo [bar](/url)"));
-        assertEquals("<p>foo test</p>\n", rendered);
+        assertThat(rendered).isEqualTo("<p>foo test</p>\n");
     }
 
     @Test
     public void orderedListStartZero() {
-        assertEquals("<ol start=\"0\">\n<li>Test</li>\n</ol>\n", defaultRenderer().render(parse("0. Test\n")));
+        assertThat(defaultRenderer().render(parse("0. Test\n"))).isEqualTo("<ol start=\"0\">\n<li>Test</li>\n</ol>\n");
     }
 
     @Test
     public void imageAltTextWithSoftLineBreak() {
-        assertEquals("<p><img src=\"/url\" alt=\"foo\nbar\" /></p>\n",
-                defaultRenderer().render(parse("![foo\nbar](/url)\n")));
+        assertThat(defaultRenderer().render(parse("![foo\nbar](/url)\n"))).isEqualTo("<p><img src=\"/url\" alt=\"foo\nbar\" /></p>\n");
     }
 
     @Test
     public void imageAltTextWithHardLineBreak() {
-        assertEquals("<p><img src=\"/url\" alt=\"foo\nbar\" /></p>\n",
-                defaultRenderer().render(parse("![foo  \nbar](/url)\n")));
+        assertThat(defaultRenderer().render(parse("![foo  \nbar](/url)\n"))).isEqualTo("<p><img src=\"/url\" alt=\"foo\nbar\" /></p>\n");
     }
 
     @Test
     public void imageAltTextWithEntities() {
-        assertEquals("<p><img src=\"/url\" alt=\"foo \u00E4\" /></p>\n",
-                defaultRenderer().render(parse("![foo &auml;](/url)\n")));
+        assertThat(defaultRenderer().render(parse("![foo &auml;](/url)\n"))).isEqualTo("<p><img src=\"/url\" alt=\"foo \u00E4\" /></p>\n");
     }
 
     @Test
@@ -304,41 +293,35 @@ public void canRenderContentsOfSingleParagraph() {
             document.appendChild(current);
         }
 
-        assertEquals("Here I have a test <a href=\"http://www.google.com\">link</a>",
-                defaultRenderer().render(document));
+        assertThat(defaultRenderer().render(document)).isEqualTo("Here I have a test <a href=\"http://www.google.com\">link</a>");
     }
 
     @Test
     public void omitSingleParagraphP() {
         var renderer = HtmlRenderer.builder().omitSingleParagraphP(true).build();
-        assertEquals("hi <em>there</em>", renderer.render(parse("hi *there*")));
+        assertThat(renderer.render(parse("hi *there*"))).isEqualTo("hi <em>there</em>");
     }
 
     @Test
     public void threading() throws Exception {
-        Parser parser = Parser.builder().build();
-        String spec = TestResources.readAsString(TestResources.getSpec());
-        final Node document = parser.parse(spec);
+        var parser = Parser.builder().build();
+        var spec = TestResources.readAsString(TestResources.getSpec());
+        var document = parser.parse(spec);
 
-        final HtmlRenderer htmlRenderer = HtmlRenderer.builder().build();
-        String expectedRendering = htmlRenderer.render(document);
+        var htmlRenderer = HtmlRenderer.builder().build();
+        var expectedRendering = htmlRenderer.render(document);
 
         // Render in parallel using the same HtmlRenderer instance.
-        List<Future<String>> futures = new ArrayList<>();
-        ExecutorService executorService = Executors.newFixedThreadPool(4);
+        var futures = new ArrayList<Future<String>>();
+        var executorService = Executors.newFixedThreadPool(4);
         for (int i = 0; i < 40; i++) {
-            Future<String> future = executorService.submit(new Callable<String>() {
-                @Override
-                public String call() throws Exception {
-                    return htmlRenderer.render(document);
-                }
-            });
+            var future = executorService.submit(() -> htmlRenderer.render(document));
             futures.add(future);
         }
 
-        for (Future<String> future : futures) {
-            String rendering = future.get();
-            assertThat(rendering, is(expectedRendering));
+        for (var future : futures) {
+            var rendering = future.get();
+            assertThat(rendering).isEqualTo(expectedRendering);
         }
     }
 
diff --git a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
index 2f2463ccb..c05cac2d2 100644
--- a/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/InlineParserContextTest.java
@@ -10,13 +10,13 @@
 import org.commonmark.parser.Parser;
 import org.commonmark.parser.delimiter.DelimiterProcessor;
 import org.commonmark.renderer.html.HtmlRenderer;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class InlineParserContextTest {
 
@@ -30,10 +30,10 @@ public void labelShouldBeOriginalNotNormalized() {
         String rendered = HtmlRenderer.builder().build().render(parser.parse(input));
 
         // Lookup should pass original label to context
-        assertEquals(List.of("FooBarBaz"), inlineParserFactory.lookups);
+        assertThat(inlineParserFactory.lookups).isEqualTo(List.of("FooBarBaz"));
 
         // Context should normalize label for finding reference
-        assertEquals("<p><a href=\"/url\">link with special label</a></p>\n", rendered);
+        assertThat(rendered).isEqualTo("<p><a href=\"/url\">link with special label</a></p>\n");
     }
 
     static class CapturingInlineParserFactory implements InlineParserFactory {
diff --git a/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java b/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java
index 81a71ee69..8410ff028 100644
--- a/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/LinkReferenceDefinitionNodeTest.java
@@ -2,13 +2,11 @@
 
 import org.commonmark.node.*;
 import org.commonmark.parser.Parser;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.List;
 
-import static org.hamcrest.CoreMatchers.instanceOf;
-import static org.hamcrest.CoreMatchers.is;
-import static org.hamcrest.MatcherAssert.assertThat;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class LinkReferenceDefinitionNodeTest {
 
@@ -17,12 +15,12 @@ public void testDefinitionWithoutParagraph() {
         Node document = parse("This is a paragraph with a [foo] link.\n\n[foo]: /url 'title'");
         List<Node> nodes = Nodes.getChildren(document);
 
-        assertThat(nodes.size(), is(2));
-        assertThat(nodes.get(0), instanceOf(Paragraph.class));
+        assertThat(nodes).hasSize(2);
+        assertThat(nodes.get(0)).isInstanceOf(Paragraph.class);
         LinkReferenceDefinition definition = assertDef(nodes.get(1), "foo");
 
-        assertThat(definition.getDestination(), is("/url"));
-        assertThat(definition.getTitle(), is("title"));
+        assertThat(definition.getDestination()).isEqualTo("/url");
+        assertThat(definition.getTitle()).isEqualTo("title");
     }
 
     @Test
@@ -30,10 +28,10 @@ public void testDefinitionWithParagraph() {
         Node document = parse("[foo]: /url\nThis is a paragraph with a [foo] link.");
         List<Node> nodes = Nodes.getChildren(document);
 
-        assertThat(nodes.size(), is(2));
+        assertThat(nodes).hasSize(2);
         // Note that definition is not part of the paragraph, it's a sibling
-        assertThat(nodes.get(0), instanceOf(LinkReferenceDefinition.class));
-        assertThat(nodes.get(1), instanceOf(Paragraph.class));
+        assertThat(nodes.get(0)).isInstanceOf(LinkReferenceDefinition.class);
+        assertThat(nodes.get(1)).isInstanceOf(Paragraph.class);
     }
 
     @Test
@@ -41,8 +39,8 @@ public void testMultipleDefinitions() {
         Node document = parse("This is a paragraph with a [foo] link.\n\n[foo]: /url\n[bar]: /url");
         List<Node> nodes = Nodes.getChildren(document);
 
-        assertThat(nodes.size(), is(3));
-        assertThat(nodes.get(0), instanceOf(Paragraph.class));
+        assertThat(nodes).hasSize(3);
+        assertThat(nodes.get(0)).isInstanceOf(Paragraph.class);
         assertDef(nodes.get(1), "foo");
         assertDef(nodes.get(2), "bar");
     }
@@ -52,14 +50,14 @@ public void testMultipleDefinitionsWithSameLabel() {
         Node document = parse("This is a paragraph with a [foo] link.\n\n[foo]: /url1\n[foo]: /url2");
         List<Node> nodes = Nodes.getChildren(document);
 
-        assertThat(nodes.size(), is(3));
-        assertThat(nodes.get(0), instanceOf(Paragraph.class));
+        assertThat(nodes).hasSize(3);
+        assertThat(nodes.get(0)).isInstanceOf(Paragraph.class);
         LinkReferenceDefinition def1 = assertDef(nodes.get(1), "foo");
-        assertThat(def1.getDestination(), is("/url1"));
+        assertThat(def1.getDestination()).isEqualTo("/url1");
         // When there's multiple definitions with the same label, the first one "wins", as in reference links will use
         // that. But we still want to preserve the original definitions in the document.
         LinkReferenceDefinition def2 = assertDef(nodes.get(2), "foo");
-        assertThat(def2.getDestination(), is("/url2"));
+        assertThat(def2.getDestination()).isEqualTo("/url2");
     }
 
     @Test
@@ -67,42 +65,42 @@ public void testDefinitionOfReplacedBlock() {
         Node document = parse("[foo]: /url\nHeading\n=======");
         List<Node> nodes = Nodes.getChildren(document);
 
-        assertThat(nodes.size(), is(2));
+        assertThat(nodes).hasSize(2);
         assertDef(nodes.get(0), "foo");
-        assertThat(nodes.get(1), instanceOf(Heading.class));
+        assertThat(nodes.get(1)).isInstanceOf(Heading.class);
     }
 
     @Test
     public void testDefinitionInListItem() {
         Node document = parse("* [foo]: /url\n  [foo]\n");
-        assertThat(document.getFirstChild(), instanceOf(BulletList.class));
+        assertThat(document.getFirstChild()).isInstanceOf(BulletList.class);
         Node item = document.getFirstChild().getFirstChild();
-        assertThat(item, instanceOf(ListItem.class));
+        assertThat(item).isInstanceOf(ListItem.class);
 
         List<Node> nodes = Nodes.getChildren(item);
-        assertThat(nodes.size(), is(2));
+        assertThat(nodes).hasSize(2);
         assertDef(nodes.get(0), "foo");
-        assertThat(nodes.get(1), instanceOf(Paragraph.class));
+        assertThat(nodes.get(1)).isInstanceOf(Paragraph.class);
     }
 
     @Test
     public void testDefinitionInListItem2() {
         Node document = parse("* [foo]: /url\n* [foo]\n");
-        assertThat(document.getFirstChild(), instanceOf(BulletList.class));
+        assertThat(document.getFirstChild()).isInstanceOf(BulletList.class);
 
         List<Node> items = Nodes.getChildren(document.getFirstChild());
-        assertThat(items.size(), is(2));
+        assertThat(items).hasSize(2);
         Node item1 = items.get(0);
         Node item2 = items.get(1);
 
-        assertThat(item1, instanceOf(ListItem.class));
-        assertThat(item2, instanceOf(ListItem.class));
+        assertThat(item1).isInstanceOf(ListItem.class);
+        assertThat(item2).isInstanceOf(ListItem.class);
 
-        assertThat(Nodes.getChildren(item1).size(), is(1));
+        assertThat(Nodes.getChildren(item1)).hasSize(1);
         assertDef(item1.getFirstChild(), "foo");
 
-        assertThat(Nodes.getChildren(item2).size(), is(1));
-        assertThat(item2.getFirstChild(), instanceOf(Paragraph.class));
+        assertThat(Nodes.getChildren(item2)).hasSize(1);
+        assertThat(item2.getFirstChild()).isInstanceOf(Paragraph.class);
     }
 
     @Test
@@ -110,8 +108,8 @@ public void testDefinitionLabelCaseIsPreserved() {
         Node document = parse("This is a paragraph with a [foo] link.\n\n[fOo]: /url 'title'");
         List<Node> nodes = Nodes.getChildren(document);
 
-        assertThat(nodes.size(), is(2));
-        assertThat(nodes.get(0), instanceOf(Paragraph.class));
+        assertThat(nodes).hasSize(2);
+        assertThat(nodes.get(0)).isInstanceOf(Paragraph.class);
         assertDef(nodes.get(1), "fOo");
     }
 
@@ -121,9 +119,9 @@ private static Node parse(String input) {
     }
 
     private static LinkReferenceDefinition assertDef(Node node, String label) {
-        assertThat(node, instanceOf(LinkReferenceDefinition.class));
+        assertThat(node).isInstanceOf(LinkReferenceDefinition.class);
         LinkReferenceDefinition def = (LinkReferenceDefinition) node;
-        assertThat(def.getLabel(), is(label));
+        assertThat(def.getLabel()).isEqualTo(label);
         return def;
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java b/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
index 4a38bc412..02ac3abff 100644
--- a/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ListBlockParserTest.java
@@ -3,9 +3,9 @@
 import org.commonmark.node.ListItem;
 import org.commonmark.node.Node;
 import org.commonmark.parser.Parser;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class ListBlockParserTest {
 
@@ -59,7 +59,7 @@ public void testOrderedListIndents() {
     private void assertListItemIndents(String input, int expectedMarkerIndent, int expectedContentIndent) {
         Node doc = PARSER.parse(input);
         ListItem listItem = Nodes.find(doc, ListItem.class);
-        assertEquals(expectedMarkerIndent, (int) listItem.getMarkerIndent());
-        assertEquals(expectedContentIndent, (int) listItem.getContentIndent());
+        assertThat((int) listItem.getMarkerIndent()).isEqualTo(expectedMarkerIndent);
+        assertThat((int) listItem.getContentIndent()).isEqualTo(expectedContentIndent);
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/ListTightLooseTest.java b/commonmark/src/test/java/org/commonmark/test/ListTightLooseTest.java
index 4889bb9ab..c6bda31ed 100644
--- a/commonmark/src/test/java/org/commonmark/test/ListTightLooseTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ListTightLooseTest.java
@@ -1,6 +1,6 @@
 package org.commonmark.test;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 public class ListTightLooseTest extends CoreRenderingTestCase {
 
diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index 447a50c3d..3b9ef09e9 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -5,7 +5,7 @@
 import org.commonmark.parser.block.*;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.TestResources;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.io.IOException;
 import java.io.InputStream;
@@ -20,9 +20,8 @@
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 
-import static org.hamcrest.CoreMatchers.*;
-import static org.hamcrest.MatcherAssert.assertThat;
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 public class ParserTest {
 
@@ -40,7 +39,7 @@ public void ioReaderTest() throws IOException {
         Node document2 = parser.parse(spec);
 
         HtmlRenderer renderer = HtmlRenderer.builder().escapeHtml(true).build();
-        assertEquals(renderer.render(document2), renderer.render(document1));
+        assertThat(renderer.render(document1)).isEqualTo(renderer.render(document2));
     }
 
     @Test
@@ -50,9 +49,9 @@ public void customBlockParserFactory() {
         // The dashes would normally be a ThematicBreak
         Node document = parser.parse("hey\n\n---\n");
 
-        assertThat(document.getFirstChild(), instanceOf(Paragraph.class));
-        assertEquals("hey", ((Text) document.getFirstChild().getFirstChild()).getLiteral());
-        assertThat(document.getLastChild(), instanceOf(DashBlock.class));
+        assertThat(document.getFirstChild()).isInstanceOf(Paragraph.class);
+        assertThat(((Text) document.getFirstChild().getFirstChild()).getLiteral()).isEqualTo("hey");
+        assertThat(document.getLastChild()).isInstanceOf(DashBlock.class);
     }
 
     @Test
@@ -61,24 +60,25 @@ public void enabledBlockTypes() {
 
         Parser parser = Parser.builder().build(); // all core parsers by default
         Node document = parser.parse(given);
-        assertThat(document.getFirstChild(), instanceOf(Heading.class));
+        assertThat(document.getFirstChild()).isInstanceOf(Heading.class);
 
         Set<Class<? extends Block>> headersOnly = new HashSet<>();
         headersOnly.add(Heading.class);
         parser = Parser.builder().enabledBlockTypes(headersOnly).build();
         document = parser.parse(given);
-        assertThat(document.getFirstChild(), instanceOf(Heading.class));
+        assertThat(document.getFirstChild()).isInstanceOf(Heading.class);
 
         Set<Class<? extends Block>> noCoreTypes = new HashSet<>();
         parser = Parser.builder().enabledBlockTypes(noCoreTypes).build();
         document = parser.parse(given);
-        assertThat(document.getFirstChild(), not(instanceOf(Heading.class)));
+        assertThat(document.getFirstChild()).isNotInstanceOf(Heading.class);
     }
 
-    @Test(expected = IllegalArgumentException.class)
+    @Test
     public void enabledBlockTypesThrowsWhenGivenUnknownClass() {
         // BulletList can't be enabled separately at the moment, only all ListBlock types
-        Parser.builder().enabledBlockTypes(Set.of(Heading.class, BulletList.class)).build();
+        assertThatThrownBy(() ->
+                Parser.builder().enabledBlockTypes(Set.of(Heading.class, BulletList.class)).build()).isInstanceOf(IllegalArgumentException.class);
     }
 
     @Test
@@ -87,19 +87,19 @@ public void indentation() {
         Parser parser = Parser.builder().build();
         Node document = parser.parse(given);
 
-        assertThat(document.getFirstChild(), instanceOf(BulletList.class));
+        assertThat(document.getFirstChild()).isInstanceOf(BulletList.class);
 
         Node list = document.getFirstChild(); // first level list
-        assertEquals("expect one child", list.getFirstChild(), list.getLastChild());
-        assertEquals("1 space", firstText(list.getFirstChild()));
+        assertThat(list.getLastChild()).as("expect one child").isEqualTo(list.getFirstChild());
+        assertThat(firstText(list.getFirstChild())).isEqualTo("1 space");
 
         list = list.getFirstChild().getLastChild(); // second level list
-        assertEquals("expect one child", list.getFirstChild(), list.getLastChild());
-        assertEquals("3 spaces", firstText(list.getFirstChild()));
+        assertThat(list.getLastChild()).as("expect one child").isEqualTo(list.getFirstChild());
+        assertThat(firstText(list.getFirstChild())).isEqualTo("3 spaces");
 
         list = list.getFirstChild().getLastChild(); // third level list
-        assertEquals("5 spaces", firstText(list.getFirstChild()));
-        assertEquals("tab + space", firstText(list.getFirstChild().getNext()));
+        assertThat(firstText(list.getFirstChild())).isEqualTo("5 spaces");
+        assertThat(firstText(list.getFirstChild().getNext())).isEqualTo("tab + space");
     }
 
     @Test
@@ -122,39 +122,34 @@ public InlineParser create(InlineParserContext inlineParserContext) {
         Parser parser = Parser.builder().inlineParserFactory(fakeInlineParserFactory).build();
         String input = "**bold** **bold** ~~strikethrough~~";
 
-        assertThat(parser.parse(input).getFirstChild().getFirstChild(), instanceOf(ThematicBreak.class));
+        assertThat(parser.parse(input).getFirstChild().getFirstChild()).isInstanceOf(ThematicBreak.class);
     }
 
     @Test
     public void threading() throws Exception {
-        final Parser parser = Parser.builder().build();
-        final String spec = TestResources.readAsString(TestResources.getSpec());
+        var parser = Parser.builder().build();
+        var spec = TestResources.readAsString(TestResources.getSpec());
 
-        HtmlRenderer renderer = HtmlRenderer.builder().build();
-        String expectedRendering = renderer.render(parser.parse(spec));
+        var renderer = HtmlRenderer.builder().build();
+        var expectedRendering = renderer.render(parser.parse(spec));
 
         // Parse in parallel using the same Parser instance.
-        List<Future<Node>> futures = new ArrayList<>();
-        ExecutorService executorService = Executors.newFixedThreadPool(4);
+        var futures = new ArrayList<Future<Node>>();
+        var executorService = Executors.newFixedThreadPool(4);
         for (int i = 0; i < 40; i++) {
-            Future<Node> future = executorService.submit(new Callable<Node>() {
-                @Override
-                public Node call() throws Exception {
-                    return parser.parse(spec);
-                }
-            });
+            var future = executorService.submit(() -> parser.parse(spec));
             futures.add(future);
         }
 
-        for (Future<Node> future : futures) {
-            Node node = future.get();
-            assertThat(renderer.render(node), is(expectedRendering));
+        for (var future : futures) {
+            var node = future.get();
+            assertThat(renderer.render(node)).isEqualTo(expectedRendering);
         }
     }
 
     private String firstText(Node n) {
         while (!(n instanceof Text)) {
-            assertThat(n, notNullValue());
+            assertThat(n).isNotNull();
             n = n.getFirstChild();
         }
         return ((Text) n).getLiteral();
diff --git a/commonmark/src/test/java/org/commonmark/test/PathologicalTest.java b/commonmark/src/test/java/org/commonmark/test/PathologicalTest.java
index ae1310ed2..66d39de23 100644
--- a/commonmark/src/test/java/org/commonmark/test/PathologicalTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/PathologicalTest.java
@@ -1,34 +1,21 @@
 package org.commonmark.test;
 
-import org.junit.FixMethodOrder;
-import org.junit.Rule;
-import org.junit.Test;
-import org.junit.rules.Stopwatch;
-import org.junit.rules.Timeout;
-import org.junit.runner.Description;
-import org.junit.runners.MethodSorters;
+import org.junit.jupiter.api.MethodOrderer;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestMethodOrder;
+import org.junit.jupiter.api.Timeout;
 
 import java.util.concurrent.TimeUnit;
 
 /**
  * Pathological input cases (from commonmark.js).
  */
-@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@Timeout(value = 3, unit = TimeUnit.SECONDS)
+@TestMethodOrder(MethodOrderer.MethodName.class)
 public class PathologicalTest extends CoreRenderingTestCase {
 
     private int x = 100_000;
 
-    @Rule
-    public Timeout timeout = new Timeout(3, TimeUnit.SECONDS);
-
-    @Rule
-    public Stopwatch stopwatch = new Stopwatch() {
-        @Override
-        protected void finished(long nanos, Description description) {
-            System.err.println(description.getDisplayName() + " took " + (nanos / 1000000) + " ms");
-        }
-    };
-
     @Test
     public void nestedStrongEmphasis() {
         // this is limited by the stack size because visitor is recursive
diff --git a/commonmark/src/test/java/org/commonmark/test/RegressionTest.java b/commonmark/src/test/java/org/commonmark/test/RegressionTest.java
index 94b3a7439..900a6518c 100644
--- a/commonmark/src/test/java/org/commonmark/test/RegressionTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/RegressionTest.java
@@ -6,18 +6,18 @@
 import org.commonmark.testutil.TestResources;
 import org.commonmark.testutil.example.Example;
 import org.commonmark.testutil.example.ExampleReader;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.junit.runners.Parameterized;
-import org.junit.runners.Parameterized.Parameters;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.Parameter;
+import org.junit.jupiter.params.ParameterizedClass;
+import org.junit.jupiter.params.provider.MethodSource;
 
-import java.net.URL;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-@RunWith(Parameterized.class)
+@ParameterizedClass
+@MethodSource("data")
 public class RegressionTest extends RenderingTestCase {
 
     private static final Parser PARSER = Parser.builder().build();
@@ -26,20 +26,13 @@ public class RegressionTest extends RenderingTestCase {
 
     private static final Map<String, String> OVERRIDDEN_EXAMPLES = getOverriddenExamples();
 
-    private final Example example;
+    @Parameter
+    Example example;
 
-    public RegressionTest(Example example) {
-        this.example = example;
-    }
-
-    @Parameters(name = "{0}")
-    public static List<Object[]> data() {
-        List<Object[]> data = new ArrayList<>();
-        for (URL regressionResource : TestResources.getRegressions()) {
-            List<Example> examples = ExampleReader.readExamples(regressionResource);
-            for (Example example : examples) {
-                data.add(new Object[]{example});
-            }
+    static List<Example> data() {
+        var data = new ArrayList<Example>();
+        for (var regressionResource : TestResources.getRegressions()) {
+            data.addAll(ExampleReader.readExamples(regressionResource));
         }
         return data;
     }
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceLineTest.java b/commonmark/src/test/java/org/commonmark/test/SourceLineTest.java
index 3fb95d386..5d34bf410 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceLineTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceLineTest.java
@@ -2,9 +2,10 @@
 
 import org.commonmark.node.SourceSpan;
 import org.commonmark.parser.SourceLine;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 public class SourceLineTest {
 
@@ -25,18 +26,20 @@ public void testSubstring() {
         assertSourceLine(line.substring(4, 4), "", null);
     }
 
-    @Test(expected = StringIndexOutOfBoundsException.class)
+    @Test
     public void testSubstringBeginOutOfBounds() {
-        SourceLine.of("abcd", SourceSpan.of(3, 10, 13, 4)).substring(3, 2);
+        var sourceLine = SourceLine.of("abcd", SourceSpan.of(3, 10, 13, 4));
+        assertThatThrownBy(() -> sourceLine.substring(3, 2)).isInstanceOf(StringIndexOutOfBoundsException.class);
     }
 
-    @Test(expected = StringIndexOutOfBoundsException.class)
+    @Test
     public void testSubstringEndOutOfBounds() {
-        SourceLine.of("abcd", SourceSpan.of(3, 10, 13, 4)).substring(0, 5);
+        var sourceLine = SourceLine.of("abcd", SourceSpan.of(3, 10, 13, 4));
+        assertThatThrownBy(() -> sourceLine.substring(0, 5)).isInstanceOf(StringIndexOutOfBoundsException.class);
     }
 
     private static void assertSourceLine(SourceLine sourceLine, String expectedContent, SourceSpan expectedSourceSpan) {
-        assertEquals(expectedContent, sourceLine.getContent());
-        assertEquals(expectedSourceSpan, sourceLine.getSourceSpan());
+        assertThat(sourceLine.getContent()).isEqualTo(expectedContent);
+        assertThat(sourceLine.getSourceSpan()).isEqualTo(expectedSourceSpan);
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpanTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpanTest.java
index 57048b90e..f1bb231f4 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpanTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpanTest.java
@@ -1,10 +1,10 @@
 package org.commonmark.test;
 
 import org.commonmark.node.SourceSpan;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertSame;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 public class SourceSpanTest {
 
@@ -12,52 +12,57 @@ public class SourceSpanTest {
     public void testSubSpan() {
         var span = SourceSpan.of(1, 2, 3, 5);
 
-        assertSame(span.subSpan(0), span);
-        assertSame(span.subSpan(0, 5), span);
+        assertThat(span.subSpan(0)).isSameAs(span);
+        assertThat(span.subSpan(0, 5)).isSameAs(span);
 
-        assertEquals(SourceSpan.of(1, 3, 4, 4), span.subSpan(1));
-        assertEquals(SourceSpan.of(1, 4, 5, 3), span.subSpan(2));
-        assertEquals(SourceSpan.of(1, 5, 6, 2), span.subSpan(3));
-        assertEquals(SourceSpan.of(1, 6, 7, 1), span.subSpan(4));
+        assertThat(span.subSpan(1)).isEqualTo(SourceSpan.of(1, 3, 4, 4));
+        assertThat(span.subSpan(2)).isEqualTo(SourceSpan.of(1, 4, 5, 3));
+        assertThat(span.subSpan(3)).isEqualTo(SourceSpan.of(1, 5, 6, 2));
+        assertThat(span.subSpan(4)).isEqualTo(SourceSpan.of(1, 6, 7, 1));
         // Not sure if empty spans are useful, but it probably makes sense to mirror how substrings work
-        assertEquals(SourceSpan.of(1, 7, 8, 0), span.subSpan(5));
-        assertEquals("", "abcde".substring(5));
-
-        assertEquals(SourceSpan.of(1, 2, 3, 5), span.subSpan(0, 5));
-        assertEquals(SourceSpan.of(1, 2, 3, 4), span.subSpan(0, 4));
-        assertEquals(SourceSpan.of(1, 2, 3, 3), span.subSpan(0, 3));
-        assertEquals(SourceSpan.of(1, 2, 3, 2), span.subSpan(0, 2));
-        assertEquals(SourceSpan.of(1, 2, 3, 1), span.subSpan(0, 1));
-        assertEquals(SourceSpan.of(1, 2, 3, 0), span.subSpan(0, 0));
-        assertEquals("a", "abcde".substring(0, 1));
-        assertEquals("", "abcde".substring(0, 0));
-
-        assertEquals(SourceSpan.of(1, 3, 4, 3), span.subSpan(1, 4));
-        assertEquals(SourceSpan.of(1, 4, 5, 1), span.subSpan(2, 3));
+        assertThat(span.subSpan(5)).isEqualTo(SourceSpan.of(1, 7, 8, 0));
+        assertThat("abcde".substring(5)).isEqualTo("");
+
+        assertThat(span.subSpan(0, 5)).isEqualTo(SourceSpan.of(1, 2, 3, 5));
+        assertThat(span.subSpan(0, 4)).isEqualTo(SourceSpan.of(1, 2, 3, 4));
+        assertThat(span.subSpan(0, 3)).isEqualTo(SourceSpan.of(1, 2, 3, 3));
+        assertThat(span.subSpan(0, 2)).isEqualTo(SourceSpan.of(1, 2, 3, 2));
+        assertThat(span.subSpan(0, 1)).isEqualTo(SourceSpan.of(1, 2, 3, 1));
+        assertThat(span.subSpan(0, 0)).isEqualTo(SourceSpan.of(1, 2, 3, 0));
+        assertThat("abcde".substring(0, 1)).isEqualTo("a");
+        assertThat("abcde".substring(0, 0)).isEqualTo("");
+
+        assertThat(span.subSpan(1, 4)).isEqualTo(SourceSpan.of(1, 3, 4, 3));
+        assertThat(span.subSpan(2, 3)).isEqualTo(SourceSpan.of(1, 4, 5, 1));
     }
 
-    @Test(expected = IndexOutOfBoundsException.class)
+    @Test
     public void testSubSpanBeginIndexNegative() {
-        SourceSpan.of(1, 2, 3, 5).subSpan(-1);
+        var sourceSpan = SourceSpan.of(1, 2, 3, 5);
+        assertThatThrownBy(() -> sourceSpan.subSpan(-1)).isInstanceOf(IndexOutOfBoundsException.class);
     }
 
-    @Test(expected = IndexOutOfBoundsException.class)
+    @Test
     public void testSubSpanBeginIndexOutOfBounds() {
-        SourceSpan.of(1, 2, 3, 5).subSpan(6);
+        var sourceSpan = SourceSpan.of(1, 2, 3, 5);
+        assertThatThrownBy(() -> sourceSpan.subSpan(6)).isInstanceOf(IndexOutOfBoundsException.class);
     }
 
-    @Test(expected = IndexOutOfBoundsException.class)
+    @Test
     public void testSubSpanEndIndexNegative() {
-        SourceSpan.of(1, 2, 3, 5).subSpan(0, -1);
+        var sourceSpan = SourceSpan.of(1, 2, 3, 5);
+        assertThatThrownBy(() -> sourceSpan.subSpan(0, -1)).isInstanceOf(IndexOutOfBoundsException.class);
     }
 
-    @Test(expected = IndexOutOfBoundsException.class)
+    @Test
     public void testSubSpanEndIndexOutOfBounds() {
-        SourceSpan.of(1, 2, 3, 5).subSpan(0, 6);
+        var sourceSpan = SourceSpan.of(1, 2, 3, 5);
+        assertThatThrownBy(() -> sourceSpan.subSpan(0, 6)).isInstanceOf(IndexOutOfBoundsException.class);
     }
 
-    @Test(expected = IndexOutOfBoundsException.class)
+    @Test
     public void testSubSpanBeginIndexGreaterThanEndIndex() {
-        SourceSpan.of(1, 2, 3, 5).subSpan(2, 1);
+        var sourceSpan = SourceSpan.of(1, 2, 3, 5);
+        assertThatThrownBy(() -> sourceSpan.subSpan(2, 1)).isInstanceOf(IndexOutOfBoundsException.class);
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
index 23249d930..f4e9d0a17 100644
--- a/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SourceSpansTest.java
@@ -3,7 +3,7 @@
 import org.commonmark.node.*;
 import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.io.IOException;
 import java.io.StringReader;
@@ -11,7 +11,7 @@
 import java.util.Deque;
 import java.util.List;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class SourceSpansTest {
 
@@ -90,7 +90,7 @@ public void fencedCodeBlock() {
 
         Node document = PARSER.parse("```\nfoo\n```\nbar\n");
         Paragraph paragraph = (Paragraph) document.getLastChild();
-        assertEquals(List.of(SourceSpan.of(3, 0, 12, 3)), paragraph.getSourceSpans());
+        assertThat(paragraph.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(3, 0, 12, 3)));
     }
 
     @Test
@@ -133,7 +133,7 @@ public void listBlock() {
 
         Node document = PARSER.parse("* foo\n  * bar\n");
         ListBlock listBlock = (ListBlock) document.getFirstChild().getFirstChild().getLastChild();
-        assertEquals(List.of(SourceSpan.of(1, 2, 8, 5)), listBlock.getSourceSpans());
+        assertThat(listBlock.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(1, 2, 8, 5)));
     }
 
     @Test
@@ -158,10 +158,10 @@ public void linkReferenceDefinition() {
         Node document = PARSER.parse("[foo]: /url\ntext\n");
 
         LinkReferenceDefinition linkReferenceDefinition = (LinkReferenceDefinition) document.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 11)), linkReferenceDefinition.getSourceSpans());
+        assertThat(linkReferenceDefinition.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 11)));
 
         Paragraph paragraph = (Paragraph) document.getLastChild();
-        assertEquals(List.of(SourceSpan.of(1, 0, 12, 4)), paragraph.getSourceSpans());
+        assertThat(paragraph.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(1, 0, 12, 4)));
     }
 
     @Test
@@ -169,8 +169,8 @@ public void linkReferenceDefinitionMultiple() {
         var doc = PARSER.parse("[foo]: /foo\n[bar]: /bar\n");
         var def1 = (LinkReferenceDefinition) doc.getFirstChild();
         var def2 = (LinkReferenceDefinition) doc.getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 11)), def1.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(1, 0, 12, 11)), def2.getSourceSpans());
+        assertThat(def1.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 11)));
+        assertThat(def2.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(1, 0, 12, 11)));
     }
 
     @Test
@@ -178,8 +178,8 @@ public void linkReferenceDefinitionWithTitle() {
         var doc = PARSER.parse("[1]: #not-code \"Text\"\n[foo]: /foo\n");
         var def1 = (LinkReferenceDefinition) doc.getFirstChild();
         var def2 = (LinkReferenceDefinition) doc.getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 21)), def1.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(1, 0, 22, 11)), def2.getSourceSpans());
+        assertThat(def1.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 21)));
+        assertThat(def2.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(1, 0, 22, 11)));
     }
 
     @Test
@@ -187,8 +187,8 @@ public void linkReferenceDefinitionWithTitleInvalid() {
         var doc = PARSER.parse("[foo]: /url\n\"title\" ok\n");
         var def = Nodes.find(doc, LinkReferenceDefinition.class);
         var paragraph = Nodes.find(doc, Paragraph.class);
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 11)), def.getSourceSpans());
-        assertEquals(List.of(SourceSpan.of(1, 0, 12, 10)), paragraph.getSourceSpans());
+        assertThat(def.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 11)));
+        assertThat(paragraph.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(1, 0, 12, 10)));
     }
 
     @Test
@@ -198,10 +198,10 @@ public void linkReferenceDefinitionHeading() {
         Node document = PARSER.parse("[foo]: /url\nHeading\n===\n");
 
         LinkReferenceDefinition linkReferenceDefinition = (LinkReferenceDefinition) document.getFirstChild();
-        assertEquals(List.of(SourceSpan.of(0, 0, 0, 11)), linkReferenceDefinition.getSourceSpans());
+        assertThat(linkReferenceDefinition.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 11)));
 
         Heading heading = (Heading) document.getLastChild();
-        assertEquals(List.of(SourceSpan.of(1, 0, 12, 7), SourceSpan.of(2, 0, 20, 3)), heading.getSourceSpans());
+        assertThat(heading.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(1, 0, 12, 7), SourceSpan.of(2, 0, 20, 3)));
     }
 
     @Test
@@ -212,13 +212,13 @@ public void lazyContinuationLines() {
             var doc = PARSER.parse("> > > foo\nbar\n");
 
             var bq1 = (BlockQuote) doc.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 0, 0, 9), SourceSpan.of(1, 0, 10, 3)), bq1.getSourceSpans());
+            assertThat(bq1.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 9), SourceSpan.of(1, 0, 10, 3)));
             var bq2 = (BlockQuote) bq1.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 2, 2, 7), SourceSpan.of(1, 0, 10, 3)), bq2.getSourceSpans());
+            assertThat(bq2.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 2, 2, 7), SourceSpan.of(1, 0, 10, 3)));
             var bq3 = (BlockQuote) bq2.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 4, 4, 5), SourceSpan.of(1, 0, 10, 3)), bq3.getSourceSpans());
+            assertThat(bq3.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 4, 4, 5), SourceSpan.of(1, 0, 10, 3)));
             var paragraph = (Paragraph) bq3.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 6, 6, 3), SourceSpan.of(1, 0, 10, 3)), paragraph.getSourceSpans());
+            assertThat(paragraph.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 6, 6, 3), SourceSpan.of(1, 0, 10, 3)));
         }
 
         {
@@ -226,13 +226,13 @@ public void lazyContinuationLines() {
             var doc = PARSER.parse("> > > foo\nbars\n");
 
             var bq1 = (BlockQuote) doc.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 0, 0, 9), SourceSpan.of(1, 0, 10, 4)), bq1.getSourceSpans());
+            assertThat(bq1.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 9), SourceSpan.of(1, 0, 10, 4)));
             var bq2 = (BlockQuote) bq1.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 2, 2, 7), SourceSpan.of(1, 0, 10, 4)), bq2.getSourceSpans());
+            assertThat(bq2.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 2, 2, 7), SourceSpan.of(1, 0, 10, 4)));
             var bq3 = (BlockQuote) bq2.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 4, 4, 5), SourceSpan.of(1, 0, 10, 4)), bq3.getSourceSpans());
+            assertThat(bq3.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 4, 4, 5), SourceSpan.of(1, 0, 10, 4)));
             var paragraph = (Paragraph) bq3.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 6, 6, 3), SourceSpan.of(1, 0, 10, 4)), paragraph.getSourceSpans());
+            assertThat(paragraph.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 6, 6, 3), SourceSpan.of(1, 0, 10, 4)));
         }
 
         {
@@ -240,15 +240,15 @@ public void lazyContinuationLines() {
             var doc = PARSER.parse("> 1. > Blockquote\ncontinued here.");
 
             var bq1 = (BlockQuote) doc.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 0, 0, 17), SourceSpan.of(1, 0, 18, 15)), bq1.getSourceSpans());
+            assertThat(bq1.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 17), SourceSpan.of(1, 0, 18, 15)));
             var orderedList = (OrderedList) bq1.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 2, 2, 15), SourceSpan.of(1, 0, 18, 15)), orderedList.getSourceSpans());
+            assertThat(orderedList.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 2, 2, 15), SourceSpan.of(1, 0, 18, 15)));
             var listItem = (ListItem) orderedList.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 2, 2, 15), SourceSpan.of(1, 0, 18, 15)), listItem.getSourceSpans());
+            assertThat(listItem.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 2, 2, 15), SourceSpan.of(1, 0, 18, 15)));
             var bq2 = (BlockQuote) listItem.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 5, 5, 12), SourceSpan.of(1, 0, 18, 15)), bq2.getSourceSpans());
+            assertThat(bq2.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 5, 5, 12), SourceSpan.of(1, 0, 18, 15)));
             var paragraph = (Paragraph) bq2.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 7, 7, 10), SourceSpan.of(1, 0, 18, 15)), paragraph.getSourceSpans());
+            assertThat(paragraph.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 7, 7, 10), SourceSpan.of(1, 0, 18, 15)));
         }
 
         {
@@ -256,11 +256,11 @@ public void lazyContinuationLines() {
             var doc = PARSER.parse("> > foo\n> bar\n");
 
             var bq1 = (BlockQuote) doc.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 0, 0, 7), SourceSpan.of(1, 0, 8, 5)), bq1.getSourceSpans());
+            assertThat(bq1.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 7), SourceSpan.of(1, 0, 8, 5)));
             var bq2 = (BlockQuote) bq1.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 2, 2, 5), SourceSpan.of(1, 2, 10, 3)), bq2.getSourceSpans());
+            assertThat(bq2.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 2, 2, 5), SourceSpan.of(1, 2, 10, 3)));
             var paragraph = (Paragraph) bq2.getLastChild();
-            assertEquals(List.of(SourceSpan.of(0, 4, 4, 3), SourceSpan.of(1, 2, 10, 3)), paragraph.getSourceSpans());
+            assertThat(paragraph.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 4, 4, 3), SourceSpan.of(1, 2, 10, 3)));
         }
     }
 
@@ -354,7 +354,7 @@ public void inlineEmphasis() {
 
         Node document = INLINES_PARSER.parse("*hey**");
         Node lastText = document.getFirstChild().getLastChild();
-        assertEquals(List.of(SourceSpan.of(0, 5, 5, 1)), lastText.getSourceSpans());
+        assertThat(lastText.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 5, 5, 1)));
     }
 
     @Test
@@ -381,8 +381,8 @@ public void differentLineTerminators() {
 
     private void assertVisualize(String source, String expected) {
         var doc = PARSER.parse(source);
-        assertEquals(expected, SourceSpanRenderer.renderWithLineColumn(doc, source));
-        assertEquals(expected, SourceSpanRenderer.renderWithInputIndex(doc, source));
+        assertThat(SourceSpanRenderer.renderWithLineColumn(doc, source)).isEqualTo(expected);
+        assertThat(SourceSpanRenderer.renderWithInputIndex(doc, source)).isEqualTo(expected);
     }
 
     private static void assertSpans(String input, Class<? extends Node> nodeClass, SourceSpan... expectedSourceSpans) {
@@ -405,7 +405,7 @@ private static void assertInlineSpans(String input, Class<? extends Node> nodeCl
 
     private static void assertSpans(Node rootNode, Class<? extends Node> nodeClass, SourceSpan... expectedSourceSpans) {
         Node node = findNode(rootNode, nodeClass);
-        assertEquals(List.of(expectedSourceSpans), node.getSourceSpans());
+        assertThat(node.getSourceSpans()).isEqualTo(List.of(expectedSourceSpans));
     }
 
     private static Node findNode(Node rootNode, Class<? extends Node> nodeClass) {
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java b/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java
index 8d284c6f9..fefd8fb30 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecCoreTest.java
@@ -7,10 +7,10 @@
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.SpecTestCase;
 import org.commonmark.testutil.example.Example;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
+import static org.assertj.core.api.Assertions.fail;
 import static org.commonmark.testutil.Asserts.assertRendering;
-import static org.junit.Assert.fail;
 
 public class SpecCoreTest extends SpecTestCase {
 
@@ -18,10 +18,6 @@ public class SpecCoreTest extends SpecTestCase {
     // The spec says URL-escaping is optional, but the examples assume that it's enabled.
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().percentEncodeUrls(true).build();
 
-    public SpecCoreTest(Example example) {
-        super(example);
-    }
-
     @Test
     public void testTextNodesContiguous() {
         final String source = example.getSource();
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecCrLfCoreTest.java b/commonmark/src/test/java/org/commonmark/test/SpecCrLfCoreTest.java
index ab0103e5a..47ca3da4e 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecCrLfCoreTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecCrLfCoreTest.java
@@ -4,7 +4,7 @@
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.testutil.SpecTestCase;
 import org.commonmark.testutil.example.Example;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import static org.commonmark.testutil.Asserts.assertRendering;
 
@@ -17,10 +17,6 @@ public class SpecCrLfCoreTest extends SpecTestCase {
     // The spec says URL-escaping is optional, but the examples assume that it's enabled.
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().percentEncodeUrls(true).build();
 
-    public SpecCrLfCoreTest(Example example) {
-        super(example);
-    }
-
     @Test
     public void testHtmlRendering() {
         assertRendering(example.getSource(), example.getHtml(), render(example.getSource()));
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
index 770a1aa21..2ebac1711 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
@@ -1,6 +1,6 @@
 package org.commonmark.test;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 public class SpecialInputTest extends CoreRenderingTestCase {
 
diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index 93ca87d93..bc443e0e2 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -9,7 +9,7 @@
 import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.parser.Parser;
 import org.commonmark.testutil.Asserts;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Set;
 
diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentWriterTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentWriterTest.java
index 0be668a70..a9f37792e 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentWriterTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentWriterTest.java
@@ -1,9 +1,9 @@
 package org.commonmark.test;
 
 import org.commonmark.renderer.text.TextContentWriter;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.*;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class TextContentWriterTest {
 
@@ -14,7 +14,7 @@ public void whitespace() throws Exception {
         writer.write("foo");
         writer.whitespace();
         writer.write("bar");
-        assertEquals("foo bar", stringBuilder.toString());
+        assertThat(stringBuilder.toString()).isEqualTo("foo bar");
     }
 
     @Test
@@ -24,7 +24,7 @@ public void colon() throws Exception {
         writer.write("foo");
         writer.colon();
         writer.write("bar");
-        assertEquals("foo:bar", stringBuilder.toString());
+        assertThat(stringBuilder.toString()).isEqualTo("foo:bar");
     }
 
     @Test
@@ -34,7 +34,7 @@ public void line() throws Exception {
         writer.write("foo");
         writer.line();
         writer.write("bar");
-        assertEquals("foo\nbar", stringBuilder.toString());
+        assertThat(stringBuilder.toString()).isEqualTo("foo\nbar");
     }
 
     @Test
@@ -42,7 +42,7 @@ public void writeStripped() throws Exception {
         StringBuilder stringBuilder = new StringBuilder();
         TextContentWriter writer = new TextContentWriter(stringBuilder);
         writer.writeStripped("foo\n bar");
-        assertEquals("foo bar", stringBuilder.toString());
+        assertThat(stringBuilder.toString()).isEqualTo("foo bar");
     }
 
     @Test
@@ -50,6 +50,6 @@ public void write() throws Exception {
         StringBuilder stringBuilder = new StringBuilder();
         TextContentWriter writer = new TextContentWriter(stringBuilder);
         writer.writeStripped("foo bar");
-        assertEquals("foo bar", stringBuilder.toString());
+        assertThat(stringBuilder.toString()).isEqualTo("foo bar");
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java b/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java
index 2b15f8add..1d564cca2 100644
--- a/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ThematicBreakParserTest.java
@@ -2,9 +2,9 @@
 
 import org.commonmark.node.ThematicBreak;
 import org.commonmark.parser.Parser;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class ThematicBreakParserTest {
 
@@ -20,6 +20,6 @@ public void testLiteral() {
 
     private static void assertLiteral(String expected, String input) {
         var tb = Nodes.find(PARSER.parse(input), ThematicBreak.class);
-        assertEquals(expected, tb.getLiteral());
+        assertThat(tb.getLiteral()).isEqualTo(expected);
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java b/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
index 63901a49b..20cd9f5ab 100644
--- a/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/UsageExampleTest.java
@@ -6,8 +6,8 @@
 import org.commonmark.renderer.NodeRenderer;
 import org.commonmark.renderer.html.*;
 import org.commonmark.renderer.markdown.MarkdownRenderer;
-import org.junit.Ignore;
-import org.junit.Test;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
 
 import java.io.FileInputStream;
 import java.io.IOException;
@@ -16,7 +16,7 @@
 import java.util.Map;
 import java.util.Set;
 
-import static org.junit.Assert.assertEquals;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class UsageExampleTest {
 
@@ -25,7 +25,7 @@ public void parseAndRender() {
         Parser parser = Parser.builder().build();
         Node document = parser.parse("This is *Markdown*");
         HtmlRenderer renderer = HtmlRenderer.builder().escapeHtml(true).build();
-        assertEquals("<p>This is <em>Markdown</em></p>\n", renderer.render(document));
+        assertThat(renderer.render(document)).isEqualTo("<p>This is <em>Markdown</em></p>\n");
     }
 
     @Test
@@ -37,11 +37,11 @@ public void renderToMarkdown() {
         heading.appendChild(new Text("My title"));
         document.appendChild(heading);
 
-        assertEquals("## My title\n", renderer.render(document));
+        assertThat(renderer.render(document)).isEqualTo("## My title\n");
     }
 
     @Test
-    @Ignore
+    @Disabled
     public void parseReaderRender() throws IOException {
         Parser parser = Parser.builder().build();
         try (InputStreamReader reader = new InputStreamReader(new FileInputStream("file.md"), StandardCharsets.UTF_8)) {
@@ -56,7 +56,7 @@ public void visitor() {
         Node node = parser.parse("Example\n=======\n\nSome more text");
         WordCountVisitor visitor = new WordCountVisitor();
         node.accept(visitor);
-        assertEquals(4, visitor.wordCount);
+        assertThat(visitor.wordCount).isEqualTo(4);
     }
 
     @Test
@@ -67,11 +67,11 @@ public void sourcePositions() {
         var doc = parser.parse(source);
         var emphasis = doc.getLastChild().getLastChild();
         var s = emphasis.getSourceSpans().get(0);
-        assertEquals(2, s.getLineIndex());
-        assertEquals(4, s.getColumnIndex());
-        assertEquals(9, s.getInputIndex());
-        assertEquals(5, s.getLength());
-        assertEquals("*baz*", source.substring(s.getInputIndex(), s.getInputIndex() + s.getLength()));
+        assertThat(s.getLineIndex()).isEqualTo(2);
+        assertThat(s.getColumnIndex()).isEqualTo(4);
+        assertThat(s.getInputIndex()).isEqualTo(9);
+        assertThat(s.getLength()).isEqualTo(5);
+        assertThat(source.substring(s.getInputIndex(), s.getInputIndex() + s.getLength())).isEqualTo("*baz*");
     }
 
     @Test
@@ -87,8 +87,7 @@ public AttributeProvider create(AttributeProviderContext context) {
                 .build();
 
         Node document = parser.parse("![text](/url.png)");
-        assertEquals("<p><img src=\"/url.png\" alt=\"text\" class=\"border\" /></p>\n",
-                renderer.render(document));
+        assertThat(renderer.render(document)).isEqualTo("<p><img src=\"/url.png\" alt=\"text\" class=\"border\" /></p>\n");
     }
 
     @Test
@@ -104,7 +103,7 @@ public NodeRenderer create(HtmlNodeRendererContext context) {
                 .build();
 
         Node document = parser.parse("Example:\n\n    code");
-        assertEquals("<p>Example:</p>\n<pre>code\n</pre>\n", renderer.render(document));
+        assertThat(renderer.render(document)).isEqualTo("<p>Example:</p>\n<pre>code\n</pre>\n");
     }
 
     class WordCountVisitor extends AbstractVisitor {
diff --git a/commonmark/src/test/java/org/commonmark/text/CharactersTest.java b/commonmark/src/test/java/org/commonmark/text/CharactersTest.java
index a362cf53c..99f510cb7 100644
--- a/commonmark/src/test/java/org/commonmark/text/CharactersTest.java
+++ b/commonmark/src/test/java/org/commonmark/text/CharactersTest.java
@@ -1,9 +1,8 @@
 package org.commonmark.text;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
+import static org.assertj.core.api.Assertions.assertThat;
 
 public class CharactersTest {
 
@@ -18,17 +17,17 @@ public void isPunctuation() {
         };
 
         for (char c : chars) {
-            assertTrue("Expected to be punctuation: " + c, Characters.isPunctuationCodePoint(c));
+            assertThat(Characters.isPunctuationCodePoint(c)).as("Expected to be punctuation: " + c).isTrue();
         }
     }
 
     @Test
     public void isBlank() {
-        assertTrue(Characters.isBlank(""));
-        assertTrue(Characters.isBlank(" "));
-        assertTrue(Characters.isBlank("\t"));
-        assertTrue(Characters.isBlank(" \t"));
-        assertFalse(Characters.isBlank("a"));
-        assertFalse(Characters.isBlank("\f"));
+        assertThat(Characters.isBlank("")).isTrue();
+        assertThat(Characters.isBlank(" ")).isTrue();
+        assertThat(Characters.isBlank("\t")).isTrue();
+        assertThat(Characters.isBlank(" \t")).isTrue();
+        assertThat(Characters.isBlank("a")).isFalse();
+        assertThat(Characters.isBlank("\f")).isFalse();
     }
 }
diff --git a/pom.xml b/pom.xml
index 29ca4ead2..db4003e51 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,7 +79,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>3.2.5</version>
+                    <version>3.5.3</version>
                 </plugin>
             </plugins>
         </pluginManagement>
@@ -182,9 +182,14 @@
 
             <!-- Common test dependencies -->
             <dependency>
-                <groupId>junit</groupId>
-                <artifactId>junit</artifactId>
-                <version>4.13.1</version>
+                <groupId>org.junit.jupiter</groupId>
+                <artifactId>junit-jupiter</artifactId>
+                <version>5.13.1</version>
+            </dependency>
+            <dependency>
+                <groupId>org.assertj</groupId>
+                <artifactId>assertj-core</artifactId>
+                <version>3.27.3</version>
             </dependency>
             <dependency>
                 <groupId>org.openjdk.jmh</groupId>

From add32d6e3aa3035dc3e4f59babfaa6760f275989 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 15 Jun 2025 21:25:51 +1000
Subject: [PATCH 381/450] Bump maven plugins

---
 pom.xml | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/pom.xml b/pom.xml
index db4003e51..d2cc86712 100644
--- a/pom.xml
+++ b/pom.xml
@@ -39,7 +39,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.13.0</version>
+                    <version>3.14.0</version>
                     <configuration>
                         <release>11</release>
                     </configuration>
@@ -47,7 +47,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-jar-plugin</artifactId>
-                    <version>3.4.1</version>
+                    <version>3.4.2</version>
                     <configuration>
                         <archive>
                             <manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
@@ -57,12 +57,12 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-install-plugin</artifactId>
-                    <version>3.1.1</version>
+                    <version>3.1.4</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>
-                    <version>3.6.3</version>
+                    <version>3.11.2</version>
                     <configuration>
                         <excludePackageNames>*.internal,*.internal.*</excludePackageNames>
                         <!-- The offline links make links from extensions to core work. -->
@@ -237,7 +237,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>3.2.4</version>
+                        <version>3.2.7</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>
@@ -264,7 +264,7 @@
                     <plugin>
                         <groupId>org.jacoco</groupId>
                         <artifactId>jacoco-maven-plugin</artifactId>
-                        <version>0.8.12</version>
+                        <version>0.8.13</version>
                         <configuration>
                             <excludes>
                                 <!-- Classes from test-util -->

From bb57a5f0921ab7e46f44128c875720617452564a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 20 Jun 2025 21:55:30 +1000
Subject: [PATCH 382/450] Parse tables without blank line before

GitHub doesn't mention it in their spec but it does work, e.g.:

    text
    |a|
    |---|
    |b|

Parses as a paragraph with "text", and a table.
---
 CHANGELOG.md                                  |   2 +
 .../gfm/tables/internal/TableBlockParser.java |   6 +-
 .../commonmark/ext/gfm/tables/TablesTest.java |  58 +++++++-
 .../commonmark/internal/BlockStartImpl.java   |  13 ++
 .../commonmark/internal/DocumentParser.java   |  41 +++---
 .../commonmark/internal/HeadingParser.java    |   2 +-
 .../LinkReferenceDefinitionParser.java        |  19 +++
 .../commonmark/internal/ParagraphParser.java  |   4 +
 .../commonmark/parser/block/BlockStart.java   |  41 ++++++
 .../parser/block/MatchedBlockParser.java      |   3 +-
 .../test/BlockParserFactoryTest.java          | 127 ++++++++++++++++++
 .../java/org/commonmark/test/ParserTest.java  |  41 ------
 12 files changed, 286 insertions(+), 71 deletions(-)
 create mode 100644 commonmark/src/test/java/org/commonmark/test/BlockParserFactoryTest.java

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0808edb72..7ae5ffed2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ with the exception that 0.x versions can break between minor versions.
 ### Added
 - More documentation with examples for `Node` classes
 ### Changed
+- GitHub tables: Tables are now parsed even if there's no blank line before the
+  table heading, matching GitHub's behavior.
 ### Fixed
 - `MarkdownRenderer`: Fix precedence for `nodeRendererFactory`: Factories passed
   to the builder can now override rendering for core node types.
diff --git a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
index 0dfdd3159..57af128d8 100644
--- a/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
+++ b/commonmark-ext-gfm-tables/src/main/java/org/commonmark/ext/gfm/tables/internal/TableBlockParser.java
@@ -274,17 +274,17 @@ public static class Factory extends AbstractBlockParserFactory {
         @Override
         public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
             List<SourceLine> paragraphLines = matchedBlockParser.getParagraphLines().getLines();
-            if (paragraphLines.size() == 1 && Characters.find('|', paragraphLines.get(0).getContent(), 0) != -1) {
+            if (paragraphLines.size() >= 1 && Characters.find('|', paragraphLines.get(paragraphLines.size() - 1).getContent(), 0) != -1) {
                 SourceLine line = state.getLine();
                 SourceLine separatorLine = line.substring(state.getIndex(), line.getContent().length());
                 List<TableCellInfo> columns = parseSeparator(separatorLine.getContent());
                 if (columns != null && !columns.isEmpty()) {
-                    SourceLine paragraph = paragraphLines.get(0);
+                    SourceLine paragraph = paragraphLines.get(paragraphLines.size() - 1);
                     List<SourceLine> headerCells = split(paragraph);
                     if (columns.size() >= headerCells.size()) {
                         return BlockStart.of(new TableBlockParser(columns, paragraph))
                                 .atIndex(state.getIndex())
-                                .replaceActiveBlockParser();
+                                .replaceParagraphLines(1);
                     }
                 }
             }
diff --git a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
index 3135b4d8e..3f4b37d54 100644
--- a/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
+++ b/commonmark-ext-gfm-tables/src/test/java/org/commonmark/ext/gfm/tables/TablesTest.java
@@ -1,8 +1,7 @@
 package org.commonmark.ext.gfm.tables;
 
 import org.commonmark.Extension;
-import org.commonmark.node.Node;
-import org.commonmark.node.SourceSpan;
+import org.commonmark.node.*;
 import org.commonmark.parser.IncludeSourceSpans;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.AttributeProvider;
@@ -79,11 +78,6 @@ public void separatorNeedsPipes() {
         assertRendering("Abc|Def\n|--- ---", "<p>Abc|Def\n|--- ---</p>\n");
     }
 
-    @Test
-    public void headerMustBeOneLine() {
-        assertRendering("No\nAbc|Def\n---|---", "<p>No\nAbc|Def\n---|---</p>\n");
-    }
-
     @Test
     public void oneHeadNoBody() {
         assertRendering("Abc|Def\n---|---", "<table>\n" +
@@ -702,6 +696,26 @@ public void danglingPipe() {
                 "<p>|</p>\n");
     }
 
+    @Test
+    public void interruptsParagraph() {
+        assertRendering("text\n" +
+                "|a  |\n" +
+                "|---|\n" +
+                "|b  |", "<p>text</p>\n" +
+                "<table>\n" +
+                "<thead>\n" +
+                "<tr>\n" +
+                "<th>a</th>\n" +
+                "</tr>\n" +
+                "</thead>\n" +
+                "<tbody>\n" +
+                "<tr>\n" +
+                "<td>b</td>\n" +
+                "</tr>\n" +
+                "</tbody>\n" +
+                "</table>\n");
+    }
+
     @Test
     public void attributeProviderIsApplied() {
         AttributeProviderFactory factory = new AttributeProviderFactory() {
@@ -835,6 +849,36 @@ public void sourceSpans() {
         assertThat(bodyRow3Cell2.getSourceSpans()).isEqualTo(List.of());
     }
 
+    @Test
+    public void sourceSpansWhenInterrupting() {
+        var parser = Parser.builder()
+                .extensions(EXTENSIONS)
+                .includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES)
+                .build();
+        var document = parser.parse("a\n" +
+                "bc\n" +
+                "|de|\n" +
+                "|---|\n" +
+                "|fg|");
+
+        var paragraph = (Paragraph) document.getFirstChild();
+        var text = (Text) paragraph.getFirstChild();
+        assertThat(text.getLiteral()).isEqualTo("a");
+        assertThat(text.getNext()).isInstanceOf(SoftLineBreak.class);
+        var text2 = (Text) text.getNext().getNext();
+        assertThat(text2.getLiteral()).isEqualTo("bc");
+
+        assertThat(paragraph.getSourceSpans()).isEqualTo(List.of(
+                SourceSpan.of(0, 0, 0, 1),
+                SourceSpan.of(1, 0, 2, 2)));
+
+        var table = (TableBlock) document.getLastChild();
+        assertThat(table.getSourceSpans()).isEqualTo(List.of(
+                SourceSpan.of(2, 0, 5, 4),
+                SourceSpan.of(3, 0, 10, 5),
+                SourceSpan.of(4, 0, 16, 4)));
+    }
+
     @Override
     protected String render(String source) {
         return RENDERER.render(PARSER.parse(source));
diff --git a/commonmark/src/main/java/org/commonmark/internal/BlockStartImpl.java b/commonmark/src/main/java/org/commonmark/internal/BlockStartImpl.java
index c7e967d46..516f944b2 100644
--- a/commonmark/src/main/java/org/commonmark/internal/BlockStartImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/BlockStartImpl.java
@@ -9,6 +9,7 @@ public class BlockStartImpl extends BlockStart {
     private int newIndex = -1;
     private int newColumn = -1;
     private boolean replaceActiveBlockParser = false;
+    private int replaceParagraphLines = 0;
 
     public BlockStartImpl(BlockParser... blockParsers) {
         this.blockParsers = blockParsers;
@@ -30,6 +31,10 @@ public boolean isReplaceActiveBlockParser() {
         return replaceActiveBlockParser;
     }
 
+    int getReplaceParagraphLines() {
+        return replaceParagraphLines;
+    }
+
     @Override
     public BlockStart atIndex(int newIndex) {
         this.newIndex = newIndex;
@@ -48,4 +53,12 @@ public BlockStart replaceActiveBlockParser() {
         return this;
     }
 
+    @Override
+    public BlockStart replaceParagraphLines(int lines) {
+        if (!(lines >= 1)) {
+            throw new IllegalArgumentException("Lines must be >= 1");
+        }
+        this.replaceParagraphLines = lines;
+        return this;
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 6059cc51c..d935f8d27 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -270,9 +270,15 @@ private void parseLine(String ln, int inputIndex) {
             }
 
             List<SourceSpan> replacedSourceSpans = null;
-            if (blockStart.isReplaceActiveBlockParser()) {
-                Block replacedBlock = prepareActiveBlockParserForReplacement();
-                replacedSourceSpans = replacedBlock.getSourceSpans();
+            if (blockStart.getReplaceParagraphLines() >= 1 || blockStart.isReplaceActiveBlockParser()) {
+                var activeBlockParser = getActiveBlockParser();
+                if (activeBlockParser instanceof ParagraphParser) {
+                    var paragraphParser = (ParagraphParser) activeBlockParser;
+                    var lines = blockStart.isReplaceActiveBlockParser() ? Integer.MAX_VALUE : blockStart.getReplaceParagraphLines();
+                    replacedSourceSpans = replaceParagraphLines(lines, paragraphParser);
+                } else if (blockStart.isReplaceActiveBlockParser()) {
+                    replacedSourceSpans = prepareActiveBlockParserForReplacement(activeBlockParser);
+                }
             }
 
             for (BlockParser newBlockParser : blockStart.getBlockParsers()) {
@@ -498,24 +504,23 @@ private OpenBlockParser deactivateBlockParser() {
         return openBlockParsers.remove(openBlockParsers.size() - 1);
     }
 
-    private Block prepareActiveBlockParserForReplacement() {
-        // Note that we don't want to parse inlines, as it's getting replaced.
-        BlockParser old = deactivateBlockParser().blockParser;
+    private List<SourceSpan> replaceParagraphLines(int lines, ParagraphParser paragraphParser) {
+        // Remove lines from paragraph as the new block is using them.
+        // If all lines are used, this also unlinks the Paragraph block.
+        var sourceSpans = paragraphParser.removeLines(lines);
+        // Close the paragraph block parser, which will finalize it.
+        closeBlockParsers(1);
+        return sourceSpans;
+    }
 
-        if (old instanceof ParagraphParser) {
-            ParagraphParser paragraphParser = (ParagraphParser) old;
-            // Collect any link reference definitions. Note that replacing the active block parser is done after a
-            // block parser got the current paragraph content using MatchedBlockParser#getContentString. In case the
-            // paragraph started with link reference definitions, we parse and strip them before the block parser gets
-            // the content. We want to keep them.
-            // If no replacement happens, we collect the definitions as part of finalizing blocks.
-            addDefinitionsFrom(paragraphParser);
-        }
+    private List<SourceSpan> prepareActiveBlockParserForReplacement(BlockParser blockParser) {
+        // Note that we don't want to parse inlines here, as it's getting replaced.
+        deactivateBlockParser();
 
         // Do this so that source positions are calculated, which we will carry over to the replacing block.
-        old.closeBlock();
-        old.getBlock().unlink();
-        return old.getBlock();
+        blockParser.closeBlock();
+        blockParser.getBlock().unlink();
+        return blockParser.getBlock().getSourceSpans();
     }
 
     private Document finalizeAndProcess() {
diff --git a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
index 3bc9ba5c4..05f070137 100644
--- a/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/HeadingParser.java
@@ -60,7 +60,7 @@ public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockPar
                 if (!paragraph.isEmpty()) {
                     return BlockStart.of(new HeadingParser(setextHeadingLevel, paragraph))
                             .atIndex(line.getContent().length())
-                            .replaceActiveBlockParser();
+                            .replaceParagraphLines(paragraph.getLines().size());
                 }
             }
 
diff --git a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
index b58e669ef..637d3b111 100644
--- a/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/LinkReferenceDefinitionParser.java
@@ -10,6 +10,7 @@
 import org.commonmark.parser.beta.Scanner;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 /**
@@ -102,6 +103,14 @@ State getState() {
         return state;
     }
 
+    List<SourceSpan> removeLines(int lines) {
+        var removedSpans = Collections.unmodifiableList(new ArrayList<>(
+                sourceSpans.subList(Math.max(sourceSpans.size() - lines, 0), sourceSpans.size())));
+        removeLast(lines, paragraphLines);
+        removeLast(lines, sourceSpans);
+        return removedSpans;
+    }
+
     private boolean startDefinition(Scanner scanner) {
         // Finish any outstanding references now. We don't do this earlier because we need addSourceSpan to have been
         // called before we do it.
@@ -269,6 +278,16 @@ private void finishReference() {
         title = null;
     }
 
+    private static <T> void removeLast(int n, List<T> list) {
+        if (n >= list.size()) {
+            list.clear();
+        } else {
+            for (int i = 0; i < n; i++) {
+                list.remove(list.size() - 1);
+            }
+        }
+    }
+
     enum State {
         // Looking for the start of a definition, i.e. `[`
         START_DEFINITION,
diff --git a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
index 93a2dd593..27eb1e647 100644
--- a/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/ParagraphParser.java
@@ -79,4 +79,8 @@ public void parseInlines(InlineParser inlineParser) {
     public SourceLines getParagraphLines() {
         return linkReferenceDefinitionParser.getParagraphLines();
     }
+
+    public List<SourceSpan> removeLines(int lines) {
+        return linkReferenceDefinitionParser.removeLines(lines);
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/BlockStart.java b/commonmark/src/main/java/org/commonmark/parser/block/BlockStart.java
index d9e7a2b49..c41f1caa3 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/BlockStart.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/BlockStart.java
@@ -10,18 +10,59 @@ public abstract class BlockStart {
     protected BlockStart() {
     }
 
+    /**
+     * Result for when there is no block start.
+     */
     public static BlockStart none() {
         return null;
     }
 
+    /**
+     * Start block(s) with the specified parser(s).
+     */
     public static BlockStart of(BlockParser... blockParsers) {
         return new BlockStartImpl(blockParsers);
     }
 
+    /**
+     * Continue parsing at the specified index.
+     *
+     * @param newIndex the new index, see {@link ParserState#getIndex()}
+     */
     public abstract BlockStart atIndex(int newIndex);
 
+    /**
+     * Continue parsing at the specified column (for tab handling).
+     *
+     * @param newColumn the new column, see {@link ParserState#getColumn()}
+     */
     public abstract BlockStart atColumn(int newColumn);
 
+    /**
+     * @deprecated use {@link #replaceParagraphLines(int)} instead; please raise an issue if that doesn't work for you
+     * for some reason.
+     */
+    @Deprecated
     public abstract BlockStart replaceActiveBlockParser();
 
+    /**
+     * Replace a number of lines from the current paragraph (as returned by
+     * {@link MatchedBlockParser#getParagraphLines()}) with the new block.
+     * <p>
+     * This is useful for parsing blocks that start with normal paragraphs and only have special marker syntax in later
+     * lines, e.g. in this:
+     * <pre>
+     * Foo
+     * ===
+     * </pre>
+     * The <code>Foo</code> line is initially parsed as a normal paragraph, then <code>===</code> is parsed as a heading
+     * marker, replacing the 1 paragraph line before. The end result is a single Heading block.
+     * <p>
+     * Note that source spans from the replaced lines are automatically added to the new block.
+     *
+     * @param lines the number of lines to replace (at least 1); use {@link Integer#MAX_VALUE} to replace the whole
+     *              paragraph
+     */
+    public abstract BlockStart replaceParagraphLines(int lines);
+
 }
diff --git a/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java b/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java
index 1f2bcfb2a..c4619d8c2 100644
--- a/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/block/MatchedBlockParser.java
@@ -12,7 +12,8 @@ public interface MatchedBlockParser {
     BlockParser getMatchedBlockParser();
 
     /**
-     * Returns the current paragraph lines if the matched block is a paragraph.
+     * Returns the current paragraph lines if the matched block is a paragraph. If you want to use some or all of the
+     * lines for starting a new block instead, use {@link BlockStart#replaceParagraphLines(int)}.
      *
      * @return paragraph content or an empty list
      */
diff --git a/commonmark/src/test/java/org/commonmark/test/BlockParserFactoryTest.java b/commonmark/src/test/java/org/commonmark/test/BlockParserFactoryTest.java
new file mode 100644
index 000000000..b733d7970
--- /dev/null
+++ b/commonmark/src/test/java/org/commonmark/test/BlockParserFactoryTest.java
@@ -0,0 +1,127 @@
+package org.commonmark.test;
+
+import org.commonmark.node.*;
+import org.commonmark.parser.IncludeSourceSpans;
+import org.commonmark.parser.InlineParser;
+import org.commonmark.parser.Parser;
+import org.commonmark.parser.SourceLines;
+import org.commonmark.parser.block.*;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class BlockParserFactoryTest {
+
+    @Test
+    public void customBlockParserFactory() {
+        var parser = Parser.builder().customBlockParserFactory(new DashBlockParser.Factory()).build();
+
+        // The dashes would normally be a ThematicBreak
+        var doc = parser.parse("hey\n\n---\n");
+
+        assertThat(doc.getFirstChild()).isInstanceOf(Paragraph.class);
+        assertThat(((Text) doc.getFirstChild().getFirstChild()).getLiteral()).isEqualTo("hey");
+        assertThat(doc.getLastChild()).isInstanceOf(DashBlock.class);
+    }
+
+    @Test
+    public void replaceActiveBlockParser() {
+        var parser = Parser.builder()
+                .customBlockParserFactory(new StarHeadingBlockParser.Factory())
+                .includeSourceSpans(IncludeSourceSpans.BLOCKS_AND_INLINES)
+                .build();
+
+        var doc = parser.parse("a\nbc\n***\n");
+
+        var heading = doc.getFirstChild();
+        assertThat(heading).isInstanceOf(StarHeading.class);
+        assertThat(heading.getNext()).isNull();
+        var a = heading.getFirstChild();
+        assertThat(a).isInstanceOf(Text.class);
+        assertThat(((Text) a).getLiteral()).isEqualTo("a");
+        var bc = a.getNext().getNext();
+        assertThat(bc).isInstanceOf(Text.class);
+        assertThat(((Text) bc).getLiteral()).isEqualTo("bc");
+        assertThat(bc.getNext()).isNull();
+
+        assertThat(heading.getSourceSpans()).isEqualTo(List.of(
+                SourceSpan.of(0, 0, 0, 1),
+                SourceSpan.of(1, 0, 2, 2),
+                SourceSpan.of(2, 0, 5, 3)));
+        assertThat(a.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(0, 0, 0, 1)));
+        assertThat(bc.getSourceSpans()).isEqualTo(List.of(SourceSpan.of(1, 0, 2, 2)));
+    }
+
+    private static class DashBlock extends CustomBlock {
+    }
+
+    private static class DashBlockParser extends AbstractBlockParser {
+
+        private DashBlock dash = new DashBlock();
+
+        @Override
+        public Block getBlock() {
+            return dash;
+        }
+
+        @Override
+        public BlockContinue tryContinue(ParserState parserState) {
+            return BlockContinue.none();
+        }
+
+        static class Factory extends AbstractBlockParserFactory {
+
+            @Override
+            public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
+                if (state.getLine().getContent().equals("---")) {
+                    return BlockStart.of(new DashBlockParser());
+                }
+                return BlockStart.none();
+            }
+        }
+    }
+
+    private static class StarHeading extends CustomBlock {
+    }
+
+    private static class StarHeadingBlockParser extends AbstractBlockParser {
+
+        private final SourceLines content;
+        private final StarHeading heading = new StarHeading();
+
+        StarHeadingBlockParser(SourceLines content) {
+            this.content = content;
+        }
+
+        @Override
+        public Block getBlock() {
+            return heading;
+        }
+
+        @Override
+        public BlockContinue tryContinue(ParserState parserState) {
+            return BlockContinue.none();
+        }
+
+        @Override
+        public void parseInlines(InlineParser inlineParser) {
+            inlineParser.parse(content, heading);
+        }
+
+        static class Factory extends AbstractBlockParserFactory {
+
+            @Override
+            public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
+                var lines = matchedBlockParser.getParagraphLines();
+                if (state.getLine().getContent().toString().startsWith("***")) {
+                    return BlockStart.of(new StarHeadingBlockParser(lines))
+                            .replaceActiveBlockParser();
+                } else {
+                    return BlockStart.none();
+                }
+            }
+        }
+    }
+}
diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index 3b9ef09e9..c119b5e2d 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -42,18 +42,6 @@ public void ioReaderTest() throws IOException {
         assertThat(renderer.render(document1)).isEqualTo(renderer.render(document2));
     }
 
-    @Test
-    public void customBlockParserFactory() {
-        Parser parser = Parser.builder().customBlockParserFactory(new DashBlockParserFactory()).build();
-
-        // The dashes would normally be a ThematicBreak
-        Node document = parser.parse("hey\n\n---\n");
-
-        assertThat(document.getFirstChild()).isInstanceOf(Paragraph.class);
-        assertThat(((Text) document.getFirstChild().getFirstChild()).getLiteral()).isEqualTo("hey");
-        assertThat(document.getLastChild()).isInstanceOf(DashBlock.class);
-    }
-
     @Test
     public void enabledBlockTypes() {
         String given = "# heading 1\n\nnot a heading";
@@ -154,33 +142,4 @@ private String firstText(Node n) {
         }
         return ((Text) n).getLiteral();
     }
-
-    private static class DashBlock extends CustomBlock {
-    }
-
-    private static class DashBlockParser extends AbstractBlockParser {
-
-        private DashBlock dash = new DashBlock();
-
-        @Override
-        public Block getBlock() {
-            return dash;
-        }
-
-        @Override
-        public BlockContinue tryContinue(ParserState parserState) {
-            return BlockContinue.none();
-        }
-    }
-
-    private static class DashBlockParserFactory extends AbstractBlockParserFactory {
-
-        @Override
-        public BlockStart tryStart(ParserState state, MatchedBlockParser matchedBlockParser) {
-            if (state.getLine().getContent().equals("---")) {
-                return BlockStart.of(new DashBlockParser());
-            }
-            return BlockStart.none();
-        }
-    }
 }

From 971aaa9edeaa7ef161e4553b001be91bf2d83cea Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 20 Jun 2025 22:32:23 +1000
Subject: [PATCH 383/450] MarkdownRenderer: Fix ordered list with long start
 number (fixes #382)

---
 CHANGELOG.md                                               | 2 ++
 .../renderer/markdown/CoreMarkdownNodeRenderer.java        | 2 +-
 .../commonmark/renderer/markdown/MarkdownRendererTest.java | 7 +++++++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7ae5ffed2..88a333502 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,8 @@ with the exception that 0.x versions can break between minor versions.
 ### Fixed
 - `MarkdownRenderer`: Fix precedence for `nodeRendererFactory`: Factories passed
   to the builder can now override rendering for core node types.
+- `MarkdownRenderer`: Fix exception with ordered lists with a long first number
+  followed by a shorter one (#382)
 - Fix warning in Eclipse about "missing 'requires transitive'"
 - Fix Android incompatibility with `requireNonNullElseGet`
 
diff --git a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
index 32510feaf..5a81676f4 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/markdown/CoreMarkdownNodeRenderer.java
@@ -257,7 +257,7 @@ public void visit(ListItem listItem) {
             throw new IllegalStateException("Unknown list holder type: " + listHolder);
         }
         Integer contentIndent = listItem.getContentIndent();
-        String spaces = contentIndent != null ? repeat(" ", contentIndent - marker.length()) : " ";
+        String spaces = contentIndent != null ? repeat(" ", Math.max(contentIndent - marker.length(), 1)) : " ";
         writer.writePrefix(marker);
         writer.writePrefix(spaces);
         writer.pushPrefix(repeat(" ", marker.length() + spaces.length()));
diff --git a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
index 36b8adad9..6a468a08e 100644
--- a/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/renderer/markdown/MarkdownRendererTest.java
@@ -176,6 +176,13 @@ public void testOrderedListItemsFromAst() {
         assertRendering("", "2) Test\n", render(doc));
     }
 
+    @Test
+    public void testOrderedListItemsWithStartNumberLongerThanLaterNumber() {
+        var source = "10001.\n20.\n";
+        var doc = parse(source);
+        assertRendering(source, "10001. \n10002. \n", render(doc));
+    }
+
     // Inlines
 
     @Test

From 5e6b740271587bb0881a5f065d56f05f8ae7ed9f Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 20 Jun 2025 22:45:24 +1000
Subject: [PATCH 384/450] Migrate from OSSRH to Central Publisher Portal

---
 .github/workflows/release.yml | 13 +++++++------
 pom.xml                       | 27 ++++++++-------------------
 2 files changed, 15 insertions(+), 25 deletions(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4727b103d..c0531ca55 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,11 +19,12 @@ jobs:
       - name: Set up Maven Central repository
         uses: actions/setup-java@v4
         with:
-          java-version: 11
+          java-version: 24
           distribution: 'zulu'
-          server-id: ossrh
-          server-username: MAVEN_USERNAME # env variable to use for username in release
-          server-password: MAVEN_PASSWORD # env variable to use for password in release
+          # See https://central.sonatype.org/publish/publish-portal-maven/
+          server-id: central
+          server-username: CENTRAL_USERNAME # env variable to use for username in release
+          server-password: CENTRAL_PASSWORD # env variable to use for password in release
           gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
           gpg-passphrase: MAVEN_GPG_PASSPHRASE # env variable to use for passphrase in release
 
@@ -37,6 +38,6 @@ jobs:
           mvn -B -Dusername=${{ secrets.GH_USERNAME }} -Dpassword=${{ secrets.GH_ACCESS_TOKEN }} release:prepare
           mvn -B release:perform
         env:
-          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
-          MAVEN_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
+          CENTRAL_USERNAME: ${{ secrets.CENTRAL_USERNAME }}
+          CENTRAL_PASSWORD: ${{ secrets.CENTRAL_PASSWORD }}
           MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
diff --git a/pom.xml b/pom.xml
index d2cc86712..533d2dc0b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -85,22 +85,22 @@
         </pluginManagement>
 
         <plugins>
+            <!-- https://central.sonatype.org/publish/publish-portal-maven/ -->
             <plugin>
-                <groupId>org.sonatype.plugins</groupId>
-                <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.13</version>
+                <groupId>org.sonatype.central</groupId>
+                <artifactId>central-publishing-maven-plugin</artifactId>
+                <version>0.8.0</version>
                 <extensions>true</extensions>
                 <configuration>
-                    <serverId>ossrh</serverId>
-                    <nexusUrl>https://oss.sonatype.org/</nexusUrl>
-                    <autoReleaseAfterClose>true</autoReleaseAfterClose>
-                    <stagingProgressTimeoutMinutes>10</stagingProgressTimeoutMinutes>
+                    <publishingServerId>central</publishingServerId>
+                    <autoPublish>true</autoPublish>
+                    <waitUntil>published</waitUntil>
                 </configuration>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-release-plugin</artifactId>
-                <version>3.0.1</version>
+                <version>3.1.1</version>
                 <configuration>
                     <autoVersionSubmodules>true</autoVersionSubmodules>
                     <useReleaseProfile>false</useReleaseProfile>
@@ -307,15 +307,4 @@
         <tag>HEAD</tag>
     </scm>
 
-    <distributionManagement>
-        <snapshotRepository>
-            <id>ossrh</id>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-        </snapshotRepository>
-        <repository>
-            <id>ossrh</id>
-            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
-        </repository>
-    </distributionManagement>
-
 </project>

From adcf2f232c9fcf55e29770c78a9285d5446517f3 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 20 Jun 2025 22:51:36 +1000
Subject: [PATCH 385/450] Prepare CHANGELOG for release 0.25

---
 CHANGELOG.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88a333502..3d103521e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,8 +6,9 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## [Unreleased]
+## [0.25.0] - 2025-06-20
 ### Added
+- Include OSGi metadata in jars (`META-INF/MANIFEST.MF` files)
 - More documentation with examples for `Node` classes
 ### Changed
 - GitHub tables: Tables are now parsed even if there's no blank line before the
@@ -473,7 +474,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
-[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.24.0...main
+[0.25.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.24.0...commonmark-parent-0.25.0
 [0.24.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.23.0...commonmark-parent-0.24.0
 [0.23.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.22.0...commonmark-parent-0.23.0
 [0.22.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.21.0...commonmark-parent-0.22.0

From 6354f0244746a5e6cd6b44f0be61e153681f2270 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 20 Jun 2025 22:52:07 +1000
Subject: [PATCH 386/450] Prepare for version 0.25.0

Ran `mvn versions:set -DnewVersion=0.25.0-SNAPSHOT`
---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 22 +++++++++++-----------
 13 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 7f6a5cbc3..03dba9cb4 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index d34e4e2f9..5463aa0f1 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 1fd1269bf..a3d7e3ab5 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index d261a1d24..64eee7d5c 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index e4a62b2b3..7ebe055a5 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 55b0dce20..593d32f37 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 9dbe2cf06..a94cdc229 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 3926c8b5e..6856a9064 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 9e329e0d3..e492ede62 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index c5e572291..072883792 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index d6a38f4a9..55c415dc0 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 17f3bc747..98e33b403 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.24.1-SNAPSHOT</version>
+        <version>0.25.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index d2cc86712..e7a18f915 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.24.1-SNAPSHOT</version>
+    <version>0.25.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,52 +132,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.24.1-SNAPSHOT</version>
+                <version>0.25.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.24.1-SNAPSHOT</version>
+                <version>0.25.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.24.1-SNAPSHOT</version>
+                <version>0.25.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.24.1-SNAPSHOT</version>
+                <version>0.25.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.24.1-SNAPSHOT</version>
+                <version>0.25.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.24.1-SNAPSHOT</version>
+                <version>0.25.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.24.1-SNAPSHOT</version>
+                <version>0.25.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.24.1-SNAPSHOT</version>
+                <version>0.25.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.24.1-SNAPSHOT</version>
+                <version>0.25.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.24.1-SNAPSHOT</version>
+                <version>0.25.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From 99e6050ae12e862e39f4a0b81108ec155d4817af Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Fri, 20 Jun 2025 12:57:31 +0000
Subject: [PATCH 387/450] [maven-release-plugin] prepare release
 commonmark-parent-0.25.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 13 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 03dba9cb4..aab6e8beb 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 5463aa0f1..12ddbf41f 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index a3d7e3ab5..e6b203427 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 64eee7d5c..fc88b6351 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 7ebe055a5..9674f0baa 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 593d32f37..7475feef3 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index a94cdc229..9a885e6b8 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 6856a9064..38b3569de 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index e492ede62..7cc681e1d 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 072883792..67f4e6da0 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 55c415dc0..136aa3d90 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 98e33b403..b369b1bda 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0-SNAPSHOT</version>
+        <version>0.25.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 5ef080181..60fbf80e0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.25.0-SNAPSHOT</version>
+    <version>0.25.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,52 +132,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.25.0-SNAPSHOT</version>
+                <version>0.25.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.25.0-SNAPSHOT</version>
+                <version>0.25.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.25.0-SNAPSHOT</version>
+                <version>0.25.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.25.0-SNAPSHOT</version>
+                <version>0.25.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.25.0-SNAPSHOT</version>
+                <version>0.25.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.25.0-SNAPSHOT</version>
+                <version>0.25.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.25.0-SNAPSHOT</version>
+                <version>0.25.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.25.0-SNAPSHOT</version>
+                <version>0.25.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.25.0-SNAPSHOT</version>
+                <version>0.25.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.25.0-SNAPSHOT</version>
+                <version>0.25.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -304,7 +304,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.25.0</tag>
     </scm>
 
 </project>

From 8d5918d4efd3ad1dca4626af8a516872f7aa6121 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Fri, 20 Jun 2025 12:57:32 +0000
Subject: [PATCH 388/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 13 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index aab6e8beb..d0d86d572 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 12ddbf41f..d965c409e 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index e6b203427..05f290120 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index fc88b6351..6445eb34a 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 9674f0baa..a1b137d73 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 7475feef3..3f36b72bf 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 9a885e6b8..0c04f6311 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 38b3569de..051fc45bb 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 7cc681e1d..114d860c0 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 67f4e6da0..d5e108b0a 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 136aa3d90..edad4a84d 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index b369b1bda..22e9795db 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.0</version>
+        <version>0.25.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 60fbf80e0..6fd0c8df9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.25.0</version>
+    <version>0.25.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,52 +132,52 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.25.0</version>
+                <version>0.25.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.25.0</version>
+                <version>0.25.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.25.0</version>
+                <version>0.25.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.25.0</version>
+                <version>0.25.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.25.0</version>
+                <version>0.25.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.25.0</version>
+                <version>0.25.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.25.0</version>
+                <version>0.25.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.25.0</version>
+                <version>0.25.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.25.0</version>
+                <version>0.25.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.25.0</version>
+                <version>0.25.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -304,7 +304,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.25.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From c577edfe08e523ab806a111f629a518c4de660be Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 20 Jun 2025 23:12:27 +1000
Subject: [PATCH 389/450] README: Bump version

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 73e69d9df..fa632a96d 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.24.0</version>
+    <version>0.25.0</version>
 </dependency>
 ```
 
@@ -291,7 +291,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.24.0</version>
+    <version>0.25.0</version>
 </dependency>
 ```
 

From 33737b7d5dd65153f2d022f7b5770f0fa0630296 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 20 Jun 2025 23:15:52 +1000
Subject: [PATCH 390/450] CHANGELOG: Add issue links

---
 CHANGELOG.md | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d103521e..346c0d6b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,18 +8,18 @@ with the exception that 0.x versions can break between minor versions.
 
 ## [0.25.0] - 2025-06-20
 ### Added
-- Include OSGi metadata in jars (`META-INF/MANIFEST.MF` files)
-- More documentation with examples for `Node` classes
+- Include OSGi metadata in jars (`META-INF/MANIFEST.MF` files) (#378)
+- More documentation with examples for `Node` classes (#370)
 ### Changed
 - GitHub tables: Tables are now parsed even if there's no blank line before the
-  table heading, matching GitHub's behavior.
+  table heading, matching GitHub's behavior. (#381)
 ### Fixed
 - `MarkdownRenderer`: Fix precedence for `nodeRendererFactory`: Factories passed
-  to the builder can now override rendering for core node types.
+  to the builder can now override rendering for core node types. (#368)
 - `MarkdownRenderer`: Fix exception with ordered lists with a long first number
   followed by a shorter one (#382)
-- Fix warning in Eclipse about "missing 'requires transitive'"
-- Fix Android incompatibility with `requireNonNullElseGet`
+- Fix warning in Eclipse about "missing 'requires transitive'" (#358)
+- Fix Android incompatibility with `requireNonNullElseGet` (#369)
 
 ## [0.24.0] - 2024-10-21
 ### Added

From 3111fed6c73dc6e961c590c58973b44e12fe5464 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 1 Aug 2025 17:04:54 +1000
Subject: [PATCH 391/450] footnotes: Fix multiple paragraphs separated by blank
 lines

---
 CHANGELOG.md                                  |  6 ++++++
 .../internal/FootnoteBlockParser.java         |  4 ++++
 .../FootnoteMarkdownNodeRenderer.java         |  2 --
 .../FootnoteMarkdownRendererTest.java         | 14 ++++++++++++-
 .../ext/footnotes/FootnotesTest.java          | 20 +++++++++++++++++++
 commonmark-integration-test/pom.xml           |  4 ++++
 .../commonmark/integration/Extensions.java    |  2 ++
 .../MarkdownRendererIntegrationTest.java      | 12 ++---------
 pom.xml                                       |  5 +++++
 9 files changed, 56 insertions(+), 13 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 346c0d6b0..8068d3c02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## Unreleased
+### Fixed
+- footnotes: Fix parsing of footnote definitions containing multiple paragraphs
+  separated by blank lines. Before it only worked if paragraphs were separated
+  by lines of 4 spaces. (#388)
+
 ## [0.25.0] - 2025-06-20
 ### Added
 - Include OSGi metadata in jars (`META-INF/MANIFEST.MF` files) (#378)
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
index 59ee5529e..110bdef20 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteBlockParser.java
@@ -39,6 +39,10 @@ public BlockContinue tryContinue(ParserState parserState) {
         if (parserState.getIndent() >= 4) {
             // It looks like content needs to be indented by 4 so that it's part of a footnote (instead of starting a new block).
             return BlockContinue.atColumn(4);
+        } else if (parserState.isBlank()) {
+            // A blank line doesn't finish a footnote yet. If there's another line with indent >= 4 after it,
+            // that should result in another paragraph in this footnote definition.
+            return BlockContinue.atIndex(parserState.getIndex());
         } else {
             // We're not continuing to give other block parsers a chance to interrupt this definition.
             // But if no other block parser applied (including another FootnotesBlockParser), we will
diff --git a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
index eddf6f2ea..3dcf4fc83 100644
--- a/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
+++ b/commonmark-ext-footnotes/src/main/java/org/commonmark/ext/footnotes/internal/FootnoteMarkdownNodeRenderer.java
@@ -55,9 +55,7 @@ private void renderDefinition(FootnoteDefinition def) {
         writer.raw("]: ");
 
         writer.pushPrefix("    ");
-        writer.pushTight(true);
         renderChildren(def);
-        writer.popTight();
         writer.popPrefix();
     }
 
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
index be3af6715..2f1125a02 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnoteMarkdownRendererTest.java
@@ -23,7 +23,7 @@ public void testSimple() {
     @Test
     public void testUnreferenced() {
         // Whether a reference has a corresponding definition or vice versa shouldn't matter for Markdown rendering.
-        assertRoundTrip("Test [^foo]\n\n[^foo]: one\n[^bar]: two\n");
+        assertRoundTrip("Test [^foo]\n\n[^foo]: one\n\n[^bar]: two\n");
     }
 
     @Test
@@ -36,6 +36,18 @@ public void testBackslashInLabel() {
         assertRoundTrip("[^\\foo]\n\n[^\\foo]: note\n");
     }
 
+    @Test
+    public void testMultipleLines() {
+        assertRoundTrip("Test [^1]\n\n[^1]: footnote l1\n    footnote l2\n");
+    }
+
+    @Test
+    public void testMultipleParagraphs() {
+        // Note that the line between p1 and p2 could be blank too (instead of 4 spaces), but we currently don't
+        // preserve that information.
+        assertRoundTrip("Test [^1]\n\n[^1]: footnote p1\n    \n    footnote p2\n");
+    }
+
     @Test
     public void testInline() {
         assertRoundTrip("^[test *foo*]\n");
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 3fa726d8f..2477dbdf8 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -102,6 +102,26 @@ public void testDefContainsMultipleLines() {
         assertText("still", paragraph.getLastChild());
     }
 
+    @Test
+    public void testDefContainsMultipleParagraphs() {
+        var doc = PARSER.parse("[^1]: footnote p1\n\n    footnote p2\n");
+        var def = find(doc, FootnoteDefinition.class);
+        assertThat(def.getLabel()).isEqualTo("1");
+        var p1 = (Paragraph) def.getFirstChild();
+        assertText("footnote p1", p1.getFirstChild());
+        var p2 = (Paragraph) p1.getNext();
+        assertText("footnote p2", p2.getFirstChild());
+    }
+
+    @Test
+    public void testDefFollowedByParagraph() {
+        var doc = PARSER.parse("[^1]: footnote\n\nnormal paragraph\n");
+        var def = find(doc, FootnoteDefinition.class);
+        assertThat(def.getLabel()).isEqualTo("1");
+        assertText("footnote", def.getFirstChild().getFirstChild());
+        assertText("normal paragraph", def.getNext().getFirstChild());
+    }
+
     @Test
     public void testDefContainsList() {
         var doc = PARSER.parse("[^1]: - foo\n    - bar\n");
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index d5e108b0a..b495a85af 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -20,6 +20,10 @@
             <groupId>org.commonmark</groupId>
             <artifactId>commonmark-ext-autolink</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.commonmark</groupId>
+            <artifactId>commonmark-ext-footnotes</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.commonmark</groupId>
             <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
index ee7ee5290..8df0408cb 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
@@ -2,6 +2,7 @@
 
 import org.commonmark.Extension;
 import org.commonmark.ext.autolink.AutolinkExtension;
+import org.commonmark.ext.footnotes.FootnotesExtension;
 import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
 import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
 import org.commonmark.ext.gfm.tables.TablesExtension;
@@ -15,6 +16,7 @@ public class Extensions {
 
     static final List<Extension> ALL_EXTENSIONS = List.of(
             AutolinkExtension.create(),
+            FootnotesExtension.create(),
             ImageAttributesExtension.create(),
             InsExtension.create(),
             StrikethroughExtension.create(),
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java
index 9ab5c32a3..fe14273ab 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/MarkdownRendererIntegrationTest.java
@@ -18,16 +18,8 @@
 
 public class MarkdownRendererIntegrationTest {
 
-    private static final List<Extension> EXTENSIONS = List.of(
-            AutolinkExtension.create(),
-            ImageAttributesExtension.create(),
-            InsExtension.create(),
-            StrikethroughExtension.create(),
-            TablesExtension.create(),
-            TaskListItemsExtension.create(),
-            YamlFrontMatterExtension.create());
-    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
-    private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(EXTENSIONS).build();
+    private static final Parser PARSER = Parser.builder().extensions(Extensions.ALL_EXTENSIONS).build();
+    private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(Extensions.ALL_EXTENSIONS).build();
 
     @Test
     public void testStrikethroughInTable() {
diff --git a/pom.xml b/pom.xml
index 6fd0c8df9..d036b1452 100644
--- a/pom.xml
+++ b/pom.xml
@@ -139,6 +139,11 @@
                 <artifactId>commonmark-ext-autolink</artifactId>
                 <version>0.25.1-SNAPSHOT</version>
             </dependency>
+            <dependency>
+                <groupId>org.commonmark</groupId>
+                <artifactId>commonmark-ext-footnotes</artifactId>
+                <version>0.25.1-SNAPSHOT</version>
+            </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>

From bd50c7d587c435c80eeb1f59d2c41fed3efefb33 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 1 Aug 2025 22:04:03 +1000
Subject: [PATCH 392/450] Prepare CHANGELOG for version 0.25.1

---
 CHANGELOG.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8068d3c02..b04e11ad8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## Unreleased
+## [0.25.1] - 2025-08-01
 ### Fixed
 - footnotes: Fix parsing of footnote definitions containing multiple paragraphs
   separated by blank lines. Before it only worked if paragraphs were separated
@@ -480,6 +480,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
+[0.25.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.25.0...commonmark-parent-0.25.1
 [0.25.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.24.0...commonmark-parent-0.25.0
 [0.24.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.23.0...commonmark-parent-0.24.0
 [0.23.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.22.0...commonmark-parent-0.23.0

From b703d6a3561a6eb00f6de8dfab85cf0301cb7a2d Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Fri, 1 Aug 2025 12:07:57 +0000
Subject: [PATCH 393/450] [maven-release-plugin] prepare release
 commonmark-parent-0.25.1

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 26 ++++++++++++------------
 13 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index d0d86d572..a1f5f6eb6 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index d965c409e..a5979764e 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 05f290120..07a0a03d7 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 6445eb34a..30df41254 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index a1b137d73..8a87e9207 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 3f36b72bf..3e29fdd80 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 0c04f6311..af7ac7a54 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 051fc45bb..b9185381b 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 114d860c0..651c0e2f8 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index b495a85af..8300a25f7 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index edad4a84d..58453821d 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 22e9795db..a58676447 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1-SNAPSHOT</version>
+        <version>0.25.1</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index d036b1452..e02b49942 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.25.1-SNAPSHOT</version>
+    <version>0.25.1</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,57 +132,57 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.25.1-SNAPSHOT</version>
+                <version>0.25.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.25.1-SNAPSHOT</version>
+                <version>0.25.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.25.1-SNAPSHOT</version>
+                <version>0.25.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.25.1-SNAPSHOT</version>
+                <version>0.25.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.25.1-SNAPSHOT</version>
+                <version>0.25.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.25.1-SNAPSHOT</version>
+                <version>0.25.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.25.1-SNAPSHOT</version>
+                <version>0.25.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.25.1-SNAPSHOT</version>
+                <version>0.25.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.25.1-SNAPSHOT</version>
+                <version>0.25.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.25.1-SNAPSHOT</version>
+                <version>0.25.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.25.1-SNAPSHOT</version>
+                <version>0.25.1</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -309,7 +309,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.25.1</tag>
     </scm>
 
 </project>

From 3c151053d720c99372d2d4c5c6db667135563ecf Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Fri, 1 Aug 2025 12:07:58 +0000
Subject: [PATCH 394/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 26 ++++++++++++------------
 13 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index a1f5f6eb6..360ad9781 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index a5979764e..31a92ca77 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 07a0a03d7..d051a0ee0 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 30df41254..740460ada 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 8a87e9207..1270cd1c6 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 3e29fdd80..f392c8ea4 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index af7ac7a54..1b797791f 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index b9185381b..f3e626f89 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 651c0e2f8..93d5e3e2c 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 8300a25f7..810919ce6 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 58453821d..753bb00de 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index a58676447..26edd4ffd 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.1</version>
+        <version>0.25.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index e02b49942..53289614e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.25.1</version>
+    <version>0.25.2-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,57 +132,57 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.25.1</version>
+                <version>0.25.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.25.1</version>
+                <version>0.25.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.25.1</version>
+                <version>0.25.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.25.1</version>
+                <version>0.25.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.25.1</version>
+                <version>0.25.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.25.1</version>
+                <version>0.25.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.25.1</version>
+                <version>0.25.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.25.1</version>
+                <version>0.25.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.25.1</version>
+                <version>0.25.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.25.1</version>
+                <version>0.25.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.25.1</version>
+                <version>0.25.2-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -309,7 +309,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.25.1</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From 9926b761eb2e9192d80cda46917ea2f0f0f2c7dc Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 1 Aug 2025 22:27:12 +1000
Subject: [PATCH 395/450] README: Bump version

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index fa632a96d..62f5affe3 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.25.0</version>
+    <version>0.25.1</version>
 </dependency>
 ```
 
@@ -291,7 +291,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.25.0</version>
+    <version>0.25.1</version>
 </dependency>
 ```
 

From 70da759095d7da0cf39fbc2198250b718030652f Mon Sep 17 00:00:00 2001
From: Ryan DeStefano <67760716+rdestefa@users.noreply.github.com>
Date: Wed, 10 Sep 2025 09:08:15 -0700
Subject: [PATCH 396/450] Add Tests for Inline Alt Text

---
 .../java/org/commonmark/test/HtmlRendererTest.java     | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
index 413bb9d8a..02d970949 100644
--- a/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/HtmlRendererTest.java
@@ -279,6 +279,16 @@ public void imageAltTextWithEntities() {
         assertThat(defaultRenderer().render(parse("![foo &auml;](/url)\n"))).isEqualTo("<p><img src=\"/url\" alt=\"foo \u00E4\" /></p>\n");
     }
 
+    @Test
+    public void imageAltTextWithInlines() {
+        assertThat(defaultRenderer().render(parse("![_foo_ **bar** [link](/url)](/url)\n"))).isEqualTo("<p><img src=\"/url\" alt=\"foo bar link\" /></p>\n");
+    }
+
+    @Test
+    public void imageAltTextWithCode() {
+        assertThat(defaultRenderer().render(parse("![`foo` bar](/url)\n"))).isEqualTo("<p><img src=\"/url\" alt=\"foo bar\" /></p>\n");
+    }
+
     @Test
     public void canRenderContentsOfSingleParagraph() {
         Node paragraphs = parse("Here I have a test [link](http://www.google.com)");

From cc4740f42fc50c91a82b1d63fb6fc84df4039be7 Mon Sep 17 00:00:00 2001
From: Ryan DeStefano <67760716+rdestefa@users.noreply.github.com>
Date: Wed, 10 Sep 2025 09:12:14 -0700
Subject: [PATCH 397/450] Add Visitor for Code Spans

---
 .../org/commonmark/renderer/html/CoreHtmlNodeRenderer.java   | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
index 0603aa013..5c536558e 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/html/CoreHtmlNodeRenderer.java
@@ -311,6 +311,11 @@ public void visit(Text text) {
             sb.append(text.getLiteral());
         }
 
+        @Override
+        public void visit(Code code) {
+            sb.append(code.getLiteral());
+        }
+
         @Override
         public void visit(SoftLineBreak softLineBreak) {
             sb.append('\n');

From 77cadac10faa5cdccf0c8b4c0205d486d648f572 Mon Sep 17 00:00:00 2001
From: Ryan DeStefano <67760716+rdestefa@users.noreply.github.com>
Date: Wed, 10 Sep 2025 09:20:33 -0700
Subject: [PATCH 398/450] Update CHANGELOG.md

---
 CHANGELOG.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b04e11ad8..8020b3ce5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## Unreleased
+### Fixed
+
+- Fix rendering of image alt text to include contents of code spans (`` `code` ``). (#398)
+
 ## [0.25.1] - 2025-08-01
 ### Fixed
 - footnotes: Fix parsing of footnote definitions containing multiple paragraphs

From 926013c7a626c4ed5ad5602de7eb7c3dfc4f3366 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 12 Sep 2025 22:50:47 +1000
Subject: [PATCH 399/450] Disallow link when a footnote is nested inside it

Fixes #400.
---
 CHANGELOG.md                                  |  9 +++++-
 .../ext/footnotes/FootnotesTest.java          | 23 ++++++++++++++
 .../commonmark/internal/InlineParserImpl.java | 31 +++++++++++++------
 3 files changed, 53 insertions(+), 10 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8020b3ce5..f41d904a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,9 +7,16 @@ This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html
 with the exception that 0.x versions can break between minor versions.
 
 ## Unreleased
+### Changed
+- A `LinkProcessor` using `replaceWith` now also stops outer links from being
+  parsed as links, same as with `wrapTextIn`. This prevents nested links, see
+  footnotes change below.
 ### Fixed
-
 - Fix rendering of image alt text to include contents of code spans (`` `code` ``). (#398)
+- footnotes: Fix footnotes nested within links. Before, both the link and the
+  footnote reference would be parsed and lead to nested `<a>` elements, which
+  is disallowed. Now, only the footnote is parsed and the outer link becomes
+  plain text; this matches the behavior of links. (#400)
 
 ## [0.25.1] - 2025-08-01
 ### Fixed
diff --git a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
index 2477dbdf8..7763cedb4 100644
--- a/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
+++ b/commonmark-ext-footnotes/src/test/java/org/commonmark/ext/footnotes/FootnotesTest.java
@@ -254,6 +254,29 @@ public void testReferenceLinkWithoutDefinition() {
         assertText("[foo]", paragraph.getLastChild());
     }
 
+    @Test
+    public void testFootnoteInLink() {
+        // Expected to behave the same way as a link within a link, see https://spec.commonmark.org/0.31.2/#example-518
+        // i.e. the first (inner) link is parsed, which means the outer one becomes plain text, as nesting links is not
+        // allowed.
+        var doc = PARSER.parse("[link with footnote ref [^1]](https://example.com)\n\n[^1]: footnote\n");
+        var ref = find(doc, FootnoteReference.class);
+        assertThat(ref.getLabel()).isEqualTo("1");
+        var paragraph = doc.getFirstChild();
+        assertText("[link with footnote ref ", paragraph.getFirstChild());
+        assertText("](https://example.com)", paragraph.getLastChild());
+    }
+
+    @Test
+    public void testFootnoteWithMarkerInLink() {
+        var doc = PARSER.parse("[link with footnote ref ![^1]](https://example.com)\n\n[^1]: footnote\n");
+        var ref = find(doc, FootnoteReference.class);
+        assertThat(ref.getLabel()).isEqualTo("1");
+        var paragraph = doc.getFirstChild();
+        assertText("[link with footnote ref !", paragraph.getFirstChild());
+        assertText("](https://example.com)", paragraph.getLastChild());
+    }
+
     @Test
     public void testInlineFootnote() {
         var extension = FootnotesExtension.builder().inlineFootnotes(true).build();
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index 44f153e00..c4d9fc656 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -440,16 +440,9 @@ private Node wrapBracket(Bracket opener, Node wrapperNode, boolean includeMarker
         opener.bracketNode.unlink();
         removeLastBracket();
 
-        // Links within links are not allowed. We found this link, so there can be no other link around it.
+        // Links within links are not allowed. We found this link, so there can be no other links around it.
         if (opener.markerNode == null) {
-            Bracket bracket = lastBracket;
-            while (bracket != null) {
-                if (bracket.markerNode == null) {
-                    // Disallow link opener. It will still get matched, but will not result in a link.
-                    bracket.allowed = false;
-                }
-                bracket = bracket.previous;
-            }
+            disallowPreviousLinks();
         }
 
         return wrapperNode;
@@ -475,6 +468,15 @@ private Node replaceBracket(Bracket opener, Node node, boolean includeMarker) {
             n.unlink();
             n = next;
         }
+
+        // Links within links are not allowed. We found this link, so there can be no other links around it.
+        // Note that this makes any syntax like `[foo]` behave the same as built-in links, which is probably a good
+        // default (it works for footnotes). It might be useful for a `LinkProcessor` to be able to specify the
+        // behavior; something we could add to `LinkResult` in the future if requested.
+        if (opener.markerNode == null || !includeMarker) {
+            disallowPreviousLinks();
+        }
+
         return node;
     }
 
@@ -489,6 +491,17 @@ private void removeLastBracket() {
         lastBracket = lastBracket.previous;
     }
 
+    private void disallowPreviousLinks() {
+        Bracket bracket = lastBracket;
+        while (bracket != null) {
+            if (bracket.markerNode == null) {
+                // Disallow link opener. It will still get matched, but will not result in a link.
+                bracket.allowed = false;
+            }
+            bracket = bracket.previous;
+        }
+    }
+
     /**
      * Try to parse the destination and an optional title for an inline link/image.
      */

From c126ad3ba97a90cd2a1eed4b75881745ac896bff Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 13 Sep 2025 10:11:01 +1000
Subject: [PATCH 400/450] Add docs to ListItem and its appendChild about tight
 lists

---
 .../java/org/commonmark/node/ListItem.java     | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/commonmark/src/main/java/org/commonmark/node/ListItem.java b/commonmark/src/main/java/org/commonmark/node/ListItem.java
index e488e8fbe..c4d1214e7 100644
--- a/commonmark/src/main/java/org/commonmark/node/ListItem.java
+++ b/commonmark/src/main/java/org/commonmark/node/ListItem.java
@@ -2,6 +2,10 @@
 
 /**
  * A child of a {@link ListBlock}, containing other blocks (e.g. {@link Paragraph}, other lists, etc).
+ * <p>
+ * Note that a list item can't directly contain {@link Text}, it needs to be:
+ * {@link ListItem} : {@link Paragraph} : {@link Text}.
+ * If you want a list that is rendered tightly, create a list with {@link ListBlock#setTight(boolean)}.
  *
  * @see <a href="https://spec.commonmark.org/0.31.2/#list-items">CommonMark Spec: List items</a>
  */
@@ -57,4 +61,18 @@ public Integer getContentIndent() {
     public void setContentIndent(Integer contentIndent) {
         this.contentIndent = contentIndent;
     }
+
+    /**
+     * @deprecated list items should only contain block nodes; if you're trying to create a list that is rendered
+     * without paragraphs, use {@link ListBlock#setTight(boolean)} instead.
+     */
+    @Override
+    @Deprecated
+    public void appendChild(Node child) {
+        super.appendChild(child);
+    }
+
+    public void appendChild(Block child) {
+        super.appendChild(child);
+    }
 }

From 47e21c3237045bef6dd9dfda8691677fabf5e703 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 13 Sep 2025 10:25:24 +1000
Subject: [PATCH 401/450] Prepare CHANGELOG for version 0.26.0

---
 CHANGELOG.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f41d904a9..c184b9ba6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## Unreleased
+## [0.26.0] - 2025-09-13
 ### Changed
 - A `LinkProcessor` using `replaceWith` now also stops outer links from being
   parsed as links, same as with `wrapTextIn`. This prevents nested links, see
@@ -492,6 +492,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
+[0.26.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.25.1...commonmark-parent-0.26.0
 [0.25.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.25.0...commonmark-parent-0.25.1
 [0.25.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.24.0...commonmark-parent-0.25.0
 [0.24.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.23.0...commonmark-parent-0.24.0

From 729ba3fb04d28c856420f74aebf1b1e40df62fff Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 13 Sep 2025 10:25:45 +1000
Subject: [PATCH 402/450] Prepare for version 0.26.0

Ran `mvn versions:set -DnewVersion=0.26.0-SNAPSHOT`
---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 13 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 360ad9781..1295112c3 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 31a92ca77..c49312a04 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index d051a0ee0..c94d3a3e0 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 740460ada..2d89b1ea1 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 1270cd1c6..7e812d002 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index f392c8ea4..ef495cf45 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 1b797791f..15f9609e1 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index f3e626f89..70dc878ab 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 93d5e3e2c..46eb4b695 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 810919ce6..7cb3bf2cb 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 753bb00de..32ead5f20 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 26edd4ffd..518f711bb 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.25.2-SNAPSHOT</version>
+        <version>0.26.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 53289614e..c322420ae 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.25.2-SNAPSHOT</version>
+    <version>0.26.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,57 +132,57 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.25.2-SNAPSHOT</version>
+                <version>0.26.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.25.2-SNAPSHOT</version>
+                <version>0.26.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.25.2-SNAPSHOT</version>
+                <version>0.26.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.25.2-SNAPSHOT</version>
+                <version>0.26.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.25.2-SNAPSHOT</version>
+                <version>0.26.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.25.2-SNAPSHOT</version>
+                <version>0.26.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.25.2-SNAPSHOT</version>
+                <version>0.26.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.25.2-SNAPSHOT</version>
+                <version>0.26.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.25.2-SNAPSHOT</version>
+                <version>0.26.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.25.2-SNAPSHOT</version>
+                <version>0.26.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.25.2-SNAPSHOT</version>
+                <version>0.26.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From 6874637cc60a219165259b857a07a0cad28b223a Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Sat, 13 Sep 2025 00:31:09 +0000
Subject: [PATCH 403/450] [maven-release-plugin] prepare release
 commonmark-parent-0.26.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 26 ++++++++++++------------
 13 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 1295112c3..810275c2c 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index c49312a04..af6e6b25c 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index c94d3a3e0..831d04666 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 2d89b1ea1..0ee142010 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 7e812d002..f4cf8ac9d 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index ef495cf45..61617e1d2 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 15f9609e1..baad9b751 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 70dc878ab..ab20cb22e 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 46eb4b695..3fb85460c 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 7cb3bf2cb..d264e0b3a 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 32ead5f20..344bbc447 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 518f711bb..38a1c58e4 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0-SNAPSHOT</version>
+        <version>0.26.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index c322420ae..cb00d01bf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.26.0-SNAPSHOT</version>
+    <version>0.26.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,57 +132,57 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.26.0-SNAPSHOT</version>
+                <version>0.26.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.26.0-SNAPSHOT</version>
+                <version>0.26.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.26.0-SNAPSHOT</version>
+                <version>0.26.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.26.0-SNAPSHOT</version>
+                <version>0.26.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.26.0-SNAPSHOT</version>
+                <version>0.26.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.26.0-SNAPSHOT</version>
+                <version>0.26.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.26.0-SNAPSHOT</version>
+                <version>0.26.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.26.0-SNAPSHOT</version>
+                <version>0.26.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.26.0-SNAPSHOT</version>
+                <version>0.26.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.26.0-SNAPSHOT</version>
+                <version>0.26.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.26.0-SNAPSHOT</version>
+                <version>0.26.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -309,7 +309,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.26.0</tag>
     </scm>
 
 </project>

From 868e006d03158c814bc51ef2c0cbb6cbe0f7e23c Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Sat, 13 Sep 2025 00:31:10 +0000
Subject: [PATCH 404/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 26 ++++++++++++------------
 13 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 810275c2c..5bb143122 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index af6e6b25c..4947e33b9 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 831d04666..37216c971 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 0ee142010..8acc77a5d 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index f4cf8ac9d..b0207beeb 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 61617e1d2..89efac64f 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index baad9b751..03be87d08 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index ab20cb22e..e772677c5 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 3fb85460c..b39f253ec 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index d264e0b3a..3ca1d58da 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 344bbc447..f7c405069 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 38a1c58e4..fb5ddb08c 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.0</version>
+        <version>0.26.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index cb00d01bf..926e275c9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.26.0</version>
+    <version>0.26.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,57 +132,57 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.26.0</version>
+                <version>0.26.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.26.0</version>
+                <version>0.26.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.26.0</version>
+                <version>0.26.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.26.0</version>
+                <version>0.26.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.26.0</version>
+                <version>0.26.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.26.0</version>
+                <version>0.26.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.26.0</version>
+                <version>0.26.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.26.0</version>
+                <version>0.26.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.26.0</version>
+                <version>0.26.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.26.0</version>
+                <version>0.26.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.26.0</version>
+                <version>0.26.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -309,7 +309,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.26.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From 44ebb2e07d71ff3a62ac876d40fe03d2c07b8fd6 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sat, 13 Sep 2025 10:41:07 +1000
Subject: [PATCH 405/450] README: Bump version

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 62f5affe3..79c2a4923 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.25.1</version>
+    <version>0.26.0</version>
 </dependency>
 ```
 
@@ -291,7 +291,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.25.1</version>
+    <version>0.26.0</version>
 </dependency>
 ```
 

From ddf81a0dd83e72631c434620a3005c999befa0e6 Mon Sep 17 00:00:00 2001
From: Sebastian Thomschke <sebthom@users.noreply.github.com>
Date: Sat, 20 Sep 2025 00:39:22 +0200
Subject: [PATCH 406/450] README: Add Used By Eclipse Previewer Plugin

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 79c2a4923..c61c7bdc0 100644
--- a/README.md
+++ b/README.md
@@ -453,6 +453,7 @@ Some users of this library (feel free to raise a PR if you want to be added):
 * [Open Note](https://github.com/YangDai2003/OpenNote-Compose) a markdown editor and note-taking app for Android
 * [Quarkus Roq](https://github.com/quarkiverse/quarkus-roq/) The Roq Static Site Generator allows to easily create a static website or blog using Quarkus super-powers.
 * [Lucee](https://github.com/lucee/lucee)
+* [Previewer](https://github.com/sebthom/previewer-eclipse-plugin) an extensible Eclipse plugin that previews Markdown and other text based formats. 
 
 See also
 --------

From 3208a83f640680586c31087612406cfbfc12e4df Mon Sep 17 00:00:00 2001
From: rdestefa <360fanelite@gmail.com>
Date: Fri, 3 Oct 2025 21:57:52 -0700
Subject: [PATCH 407/450] Allow Detection of WWW Autolinks

---
 .../ext/autolink/AutolinkExtension.java       | 68 ++++++++++++++++++-
 .../commonmark/ext/autolink/AutolinkType.java | 16 +++++
 .../internal/AutolinkPostProcessor.java       | 44 ++++++++++--
 .../commonmark/ext/autolink/AutolinkTest.java | 18 +++++
 4 files changed, 139 insertions(+), 7 deletions(-)
 create mode 100644 commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkType.java

diff --git a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java
index e5926c7bb..115676295 100644
--- a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java
+++ b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java
@@ -1,5 +1,8 @@
 package org.commonmark.ext.autolink;
 
+import java.util.EnumSet;
+import java.util.Set;
+
 import org.commonmark.Extension;
 import org.commonmark.ext.autolink.internal.AutolinkPostProcessor;
 import org.commonmark.parser.Parser;
@@ -18,16 +21,75 @@
  */
 public class AutolinkExtension implements Parser.ParserExtension {
 
-    private AutolinkExtension() {
+    private final Set<AutolinkType> linkTypes;
+
+    private AutolinkExtension(Builder builder) {
+        this.linkTypes = builder.linkTypes;
     }
 
+    /**
+     * @return the extension with default options
+     */
     public static Extension create() {
-        return new AutolinkExtension();
+        return builder().build();
+    }
+
+    /**
+     * @return a builder to configure the behavior of the extension.
+     */
+    public static Builder builder() {
+        return new Builder();
     }
 
     @Override
     public void extend(Parser.Builder parserBuilder) {
-        parserBuilder.postProcessor(new AutolinkPostProcessor());
+        parserBuilder.postProcessor(new AutolinkPostProcessor(linkTypes));
     }
 
+    public static class Builder {
+
+        private Set<AutolinkType> linkTypes = EnumSet.of(AutolinkType.URL, AutolinkType.EMAIL);
+
+        /**
+         * @param linkTypes the link types that should be converted. By default, {@link AutolinkType#URL}
+         *                  and {@link AutolinkType#EMAIL} are converted.
+         * @return {@code this}
+         */
+        public Builder linkTypes(AutolinkType... linkTypes) {
+            if (linkTypes == null) {
+                throw new NullPointerException("linkTypes must not be null");
+            }
+
+            if (linkTypes.length == 0) {
+                throw new IllegalArgumentException("linkTypes must not be empty");
+            }
+
+            return this.linkTypes(Set.of(linkTypes));
+        }
+
+        /**
+         * @param linkTypes the link types that should be converted. By default, {@link AutolinkType#URL}
+         *                  and {@link AutolinkType#EMAIL} are converted.
+         * @return {@code this}
+         */
+        public Builder linkTypes(Set<AutolinkType> linkTypes) {
+            if (linkTypes == null) {
+                throw new NullPointerException("linkTypes must not be null");
+            }
+
+            if (linkTypes.isEmpty()) {
+                throw new IllegalArgumentException("linkTypes must not be empty");
+            }
+
+            this.linkTypes = EnumSet.copyOf(linkTypes);
+            return this;
+        }
+
+        /**
+         * @return a configured extension
+         */
+        public Extension build() {
+            return new AutolinkExtension(this);
+        }
+    }
 }
diff --git a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkType.java b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkType.java
new file mode 100644
index 000000000..3e397a42f
--- /dev/null
+++ b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkType.java
@@ -0,0 +1,16 @@
+package org.commonmark.ext.autolink;
+
+public enum AutolinkType {
+    /**
+     * URL such as {@code http://example.com}
+     */
+    URL,
+    /**
+     * Email address such as {@code foo@example.com}
+     */
+    EMAIL,
+    /**
+     * URL such as {@code www.example.com}
+     */
+    WWW
+}
diff --git a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
index ee8847911..33f70bf21 100644
--- a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
+++ b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
@@ -1,5 +1,6 @@
 package org.commonmark.ext.autolink.internal;
 
+import org.commonmark.ext.autolink.AutolinkType;
 import org.commonmark.node.*;
 import org.commonmark.parser.PostProcessor;
 import org.nibor.autolink.LinkExtractor;
@@ -11,9 +12,40 @@
 
 public class AutolinkPostProcessor implements PostProcessor {
 
-    private LinkExtractor linkExtractor = LinkExtractor.builder()
-            .linkTypes(EnumSet.of(LinkType.URL, LinkType.EMAIL))
-            .build();
+    private final LinkExtractor linkExtractor;
+
+    public AutolinkPostProcessor() {
+        this(EnumSet.of(AutolinkType.URL, AutolinkType.EMAIL));
+    }
+
+    public AutolinkPostProcessor(Set<AutolinkType> linkTypes) {
+        if (linkTypes == null) {
+            throw new NullPointerException("linkTypes must not be null");
+        }
+
+        if (linkTypes.isEmpty()) {
+            throw new IllegalArgumentException("linkTypes must not be empty");
+        }
+
+        EnumSet<LinkType> types = EnumSet.noneOf(LinkType.class);
+        for (AutolinkType linkType : linkTypes) {
+            switch (linkType) {
+                case URL:
+                    types.add(LinkType.URL);
+                    break;
+                case EMAIL:
+                    types.add(LinkType.EMAIL);
+                    break;
+                case WWW:
+                    types.add(LinkType.WWW);
+                    break;
+            }
+        }
+
+        this.linkExtractor = LinkExtractor.builder()
+                .linkTypes(types)
+                .build();
+    }
 
     @Override
     public Node process(Node node) {
@@ -67,8 +99,12 @@ private static Text createTextNode(String literal, Span span, SourceSpan sourceS
     }
 
     private static String getDestination(LinkSpan linkSpan, String linkText) {
-        if (linkSpan.getType() == LinkType.EMAIL) {
+        LinkType type = linkSpan.getType();
+
+        if (type == LinkType.EMAIL) {
             return "mailto:" + linkText;
+        } else if (type == LinkType.WWW) {
+            return "http://" + linkText;
         } else {
             return linkText;
         }
diff --git a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
index 338513f33..81d898a31 100644
--- a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
+++ b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
@@ -19,6 +19,12 @@ public class AutolinkTest extends RenderingTestCase {
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
+    private static final Set<Extension> WWW_EXTENSIONS = Set.of(AutolinkExtension.builder()
+        .linkTypes(AutolinkType.URL, AutolinkType.EMAIL, AutolinkType.WWW)
+        .build());
+    private static final Parser WWW_PARSER = Parser.builder().extensions(WWW_EXTENSIONS).build();
+    private static final HtmlRenderer WWW_RENDERER = HtmlRenderer.builder().extensions(WWW_EXTENSIONS).build();
+
     @Test
     public void oneTextNode() {
         assertRendering("foo http://one.org/ bar http://two.org/",
@@ -57,6 +63,18 @@ public void dontLinkTextWithinLinks() {
                 "<p><a href=\"http://example.com\">http://example.com</a></p>\n");
     }
 
+    @Test
+    public void wwwLinksDontWorkByDefault() {
+        assertRendering("www.example.com",
+                "<p>www.example.com</p>\n");
+    }
+
+    @Test
+    public void wwwLinks() {
+        String html = WWW_RENDERER.render(WWW_PARSER.parse("www.example.com"));
+        assertThat(html).isEqualTo("<p><a href=\"http://www.example.com\">www.example.com</a></p>\n");
+    }
+
     @Test
     public void sourceSpans() {
         Parser parser = Parser.builder()

From 675d2c45805a1089ea3f1bd78f0d3864fecfb78f Mon Sep 17 00:00:00 2001
From: Ryan DeStefano <67760716+rdestefa@users.noreply.github.com>
Date: Mon, 6 Oct 2025 01:55:58 -0700
Subject: [PATCH 408/450] Address PR Comments

---
 .../org/commonmark/ext/autolink/AutolinkExtension.java |  4 ----
 .../java/org/commonmark/ext/autolink/AutolinkType.java |  3 +++
 .../ext/autolink/internal/AutolinkPostProcessor.java   | 10 +++-------
 .../java/org/commonmark/ext/autolink/AutolinkTest.java |  2 +-
 4 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java
index 115676295..99c4f6d40 100644
--- a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java
+++ b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java
@@ -60,10 +60,6 @@ public Builder linkTypes(AutolinkType... linkTypes) {
                 throw new NullPointerException("linkTypes must not be null");
             }
 
-            if (linkTypes.length == 0) {
-                throw new IllegalArgumentException("linkTypes must not be empty");
-            }
-
             return this.linkTypes(Set.of(linkTypes));
         }
 
diff --git a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkType.java b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkType.java
index 3e397a42f..2c8c6574f 100644
--- a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkType.java
+++ b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkType.java
@@ -1,5 +1,8 @@
 package org.commonmark.ext.autolink;
 
+/**
+ * The types of strings that can be automatically turned into links.
+ */
 public enum AutolinkType {
     /**
      * URL such as {@code http://example.com}
diff --git a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
index 33f70bf21..4ce070fd8 100644
--- a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
+++ b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
@@ -14,10 +14,6 @@ public class AutolinkPostProcessor implements PostProcessor {
 
     private final LinkExtractor linkExtractor;
 
-    public AutolinkPostProcessor() {
-        this(EnumSet.of(AutolinkType.URL, AutolinkType.EMAIL));
-    }
-
     public AutolinkPostProcessor(Set<AutolinkType> linkTypes) {
         if (linkTypes == null) {
             throw new NullPointerException("linkTypes must not be null");
@@ -27,7 +23,7 @@ public AutolinkPostProcessor(Set<AutolinkType> linkTypes) {
             throw new IllegalArgumentException("linkTypes must not be empty");
         }
 
-        EnumSet<LinkType> types = EnumSet.noneOf(LinkType.class);
+        var types = EnumSet.noneOf(LinkType.class);
         for (AutolinkType linkType : linkTypes) {
             switch (linkType) {
                 case URL:
@@ -99,12 +95,12 @@ private static Text createTextNode(String literal, Span span, SourceSpan sourceS
     }
 
     private static String getDestination(LinkSpan linkSpan, String linkText) {
-        LinkType type = linkSpan.getType();
+        var type = linkSpan.getType();
 
         if (type == LinkType.EMAIL) {
             return "mailto:" + linkText;
         } else if (type == LinkType.WWW) {
-            return "http://" + linkText;
+            return "https://" + linkText;
         } else {
             return linkText;
         }
diff --git a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
index 81d898a31..ada6c1580 100644
--- a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
+++ b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
@@ -72,7 +72,7 @@ public void wwwLinksDontWorkByDefault() {
     @Test
     public void wwwLinks() {
         String html = WWW_RENDERER.render(WWW_PARSER.parse("www.example.com"));
-        assertThat(html).isEqualTo("<p><a href=\"http://www.example.com\">www.example.com</a></p>\n");
+        assertThat(html).isEqualTo("<p><a href=\"https://www.example.com\">www.example.com</a></p>\n");
     }
 
     @Test

From 4186529fe603de45fd68003aef0f78354f09879a Mon Sep 17 00:00:00 2001
From: Ryan DeStefano <67760716+rdestefa@users.noreply.github.com>
Date: Mon, 6 Oct 2025 02:13:32 -0700
Subject: [PATCH 409/450] Add Changelog Entry

---
 CHANGELOG.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c184b9ba6..5de44520a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,15 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## Unreleased
+### Added
+- Autolink extension: Now supports configuration of different link types that
+  should be recognized and converted to links. See `AutolinkExtension#builder`
+  | Type    | Default? | Description                                               |
+  | `URL`   | Yes      | URL with a protocol such as `https://example.com`         |
+  | `EMAIL` | Yes      | Email address such as `foo@example.com`                   |
+  | `WWW`   | No       | An address beginning with `www` such as `www.example.com` |
+
 ## [0.26.0] - 2025-09-13
 ### Changed
 - A `LinkProcessor` using `replaceWith` now also stops outer links from being

From 64f76d9727682af819c9492a636040e8fcb6a4aa Mon Sep 17 00:00:00 2001
From: Ryan DeStefano <67760716+rdestefa@users.noreply.github.com>
Date: Mon, 6 Oct 2025 02:15:12 -0700
Subject: [PATCH 410/450] Fix Changelog Typo

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5de44520a..bed5058b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ with the exception that 0.x versions can break between minor versions.
 - Autolink extension: Now supports configuration of different link types that
   should be recognized and converted to links. See `AutolinkExtension#builder`
   | Type    | Default? | Description                                               |
+  |---------|----------|-----------------------------------------------------------|
   | `URL`   | Yes      | URL with a protocol such as `https://example.com`         |
   | `EMAIL` | Yes      | Email address such as `foo@example.com`                   |
   | `WWW`   | No       | An address beginning with `www` such as `www.example.com` |

From e49094cf8e0912b79737e6fed66a8e245b8285e0 Mon Sep 17 00:00:00 2001
From: Ryan DeStefano <67760716+rdestefa@users.noreply.github.com>
Date: Mon, 6 Oct 2025 22:10:13 -0700
Subject: [PATCH 411/450] Address PR Comments 2

---
 CHANGELOG.md                                  | 20 ++++++++++++++-----
 .../ext/autolink/AutolinkExtension.java       | 10 +++++-----
 .../internal/AutolinkPostProcessor.java       |  3 ++-
 .../commonmark/ext/autolink/AutolinkTest.java | 18 ++++++++---------
 4 files changed, 31 insertions(+), 20 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index bed5058b3..74989fe2b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,11 +10,21 @@ with the exception that 0.x versions can break between minor versions.
 ### Added
 - Autolink extension: Now supports configuration of different link types that
   should be recognized and converted to links. See `AutolinkExtension#builder`
-  | Type    | Default? | Description                                               |
-  |---------|----------|-----------------------------------------------------------|
-  | `URL`   | Yes      | URL with a protocol such as `https://example.com`         |
-  | `EMAIL` | Yes      | Email address such as `foo@example.com`                   |
-  | `WWW`   | No       | An address beginning with `www` such as `www.example.com` |
+
+  | Type    | Default? | Description                                            |
+  |---------|----------|--------------------------------------------------------|
+  | `URL`   | Yes      | URL with a protocol such as `https://example.com`      |
+  | `EMAIL` | Yes      | Email address such as `foo@example.com`                |
+  | `WWW`   | Yes      | Address beginning with `www` such as `www.example.com` |
+
+  > [!NOTE]
+  >
+  > This changes the behavior of `AutolinkExtension.create()` to now also include
+  > `WWW` links by default. To re-enable the previous behavior, use:
+  >
+  > ```java
+  > AutolinkExtension.builder().linkTypes(AutolinkType.URL, AutolinkType.EMAIL).build();
+  > ```
 
 ## [0.26.0] - 2025-09-13
 ### Changed
diff --git a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java
index 99c4f6d40..7d5a74f30 100644
--- a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java
+++ b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/AutolinkExtension.java
@@ -48,11 +48,11 @@ public void extend(Parser.Builder parserBuilder) {
 
     public static class Builder {
 
-        private Set<AutolinkType> linkTypes = EnumSet.of(AutolinkType.URL, AutolinkType.EMAIL);
+        private Set<AutolinkType> linkTypes = EnumSet.allOf(AutolinkType.class);
 
         /**
-         * @param linkTypes the link types that should be converted. By default, {@link AutolinkType#URL}
-         *                  and {@link AutolinkType#EMAIL} are converted.
+         * @param linkTypes the link types that should be converted. By default,
+         *                  all {@link AutolinkType}s are converted.
          * @return {@code this}
          */
         public Builder linkTypes(AutolinkType... linkTypes) {
@@ -64,8 +64,8 @@ public Builder linkTypes(AutolinkType... linkTypes) {
         }
 
         /**
-         * @param linkTypes the link types that should be converted. By default, {@link AutolinkType#URL}
-         *                  and {@link AutolinkType#EMAIL} are converted.
+         * @param linkTypes the link types that should be converted. By default,
+         *                  all {@link AutolinkType}s are converted.
          * @return {@code this}
          */
         public Builder linkTypes(Set<AutolinkType> linkTypes) {
diff --git a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
index 4ce070fd8..a381c2f19 100644
--- a/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
+++ b/commonmark-ext-autolink/src/main/java/org/commonmark/ext/autolink/internal/AutolinkPostProcessor.java
@@ -100,7 +100,8 @@ private static String getDestination(LinkSpan linkSpan, String linkText) {
         if (type == LinkType.EMAIL) {
             return "mailto:" + linkText;
         } else if (type == LinkType.WWW) {
-            return "https://" + linkText;
+            // Use http instead of https (see https://github.github.com/gfm/#extended-www-autolink)
+            return "http://" + linkText;
         } else {
             return linkText;
         }
diff --git a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
index ada6c1580..1b93cb10c 100644
--- a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
+++ b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
@@ -19,11 +19,11 @@ public class AutolinkTest extends RenderingTestCase {
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
     private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
 
-    private static final Set<Extension> WWW_EXTENSIONS = Set.of(AutolinkExtension.builder()
-        .linkTypes(AutolinkType.URL, AutolinkType.EMAIL, AutolinkType.WWW)
+    private static final Set<Extension> NO_WWW_EXTENSIONS = Set.of(AutolinkExtension.builder()
+        .linkTypes(AutolinkType.URL, AutolinkType.EMAIL)
         .build());
-    private static final Parser WWW_PARSER = Parser.builder().extensions(WWW_EXTENSIONS).build();
-    private static final HtmlRenderer WWW_RENDERER = HtmlRenderer.builder().extensions(WWW_EXTENSIONS).build();
+    private static final Parser NO_WWW_PARSER = Parser.builder().extensions(NO_WWW_EXTENSIONS).build();
+    private static final HtmlRenderer NO_WWW_RENDERER = HtmlRenderer.builder().extensions(NO_WWW_EXTENSIONS).build();
 
     @Test
     public void oneTextNode() {
@@ -64,15 +64,15 @@ public void dontLinkTextWithinLinks() {
     }
 
     @Test
-    public void wwwLinksDontWorkByDefault() {
+    public void wwwLinks() {
         assertRendering("www.example.com",
-                "<p>www.example.com</p>\n");
+                "<p><a href=\"https://www.example.com\">www.example.com</a></p>\n");
     }
 
     @Test
-    public void wwwLinks() {
-        String html = WWW_RENDERER.render(WWW_PARSER.parse("www.example.com"));
-        assertThat(html).isEqualTo("<p><a href=\"https://www.example.com\">www.example.com</a></p>\n");
+    public void noWwwLinks() {
+        String html = NO_WWW_RENDERER.render(NO_WWW_PARSER.parse("www.example.com"));
+        assertThat(html).isEqualTo("<p>www.example.com</p>\n");
     }
 
     @Test

From 53bf47d5cf6e7854dee03af658b1f7960c585dcf Mon Sep 17 00:00:00 2001
From: Ryan DeStefano <67760716+rdestefa@users.noreply.github.com>
Date: Mon, 6 Oct 2025 22:17:58 -0700
Subject: [PATCH 412/450] Fix Test Failure

---
 CHANGELOG.md                                       | 14 ++++++--------
 .../org/commonmark/ext/autolink/AutolinkTest.java  |  2 +-
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 74989fe2b..40945d940 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,15 +16,13 @@ with the exception that 0.x versions can break between minor versions.
   | `URL`   | Yes      | URL with a protocol such as `https://example.com`      |
   | `EMAIL` | Yes      | Email address such as `foo@example.com`                |
   | `WWW`   | Yes      | Address beginning with `www` such as `www.example.com` |
+  
+  Note that This changes the behavior of `AutolinkExtension.create()` to now also
+  include `WWW` links by default. To re-enable the previous behavior, use:
 
-  > [!NOTE]
-  >
-  > This changes the behavior of `AutolinkExtension.create()` to now also include
-  > `WWW` links by default. To re-enable the previous behavior, use:
-  >
-  > ```java
-  > AutolinkExtension.builder().linkTypes(AutolinkType.URL, AutolinkType.EMAIL).build();
-  > ```
+  ```java
+  AutolinkExtension.builder().linkTypes(AutolinkType.URL, AutolinkType.EMAIL).build();
+  ```
 
 ## [0.26.0] - 2025-09-13
 ### Changed
diff --git a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
index 1b93cb10c..82c3899fc 100644
--- a/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
+++ b/commonmark-ext-autolink/src/test/java/org/commonmark/ext/autolink/AutolinkTest.java
@@ -66,7 +66,7 @@ public void dontLinkTextWithinLinks() {
     @Test
     public void wwwLinks() {
         assertRendering("www.example.com",
-                "<p><a href=\"https://www.example.com\">www.example.com</a></p>\n");
+                "<p><a href=\"http://www.example.com\">www.example.com</a></p>\n");
     }
 
     @Test

From 889709c57578369685f4ece88917c1ffa8df44c2 Mon Sep 17 00:00:00 2001
From: Ryan DeStefano <67760716+rdestefa@users.noreply.github.com>
Date: Mon, 6 Oct 2025 22:20:40 -0700
Subject: [PATCH 413/450] Typo

---
 CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 40945d940..9cb1bae6b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,7 +17,7 @@ with the exception that 0.x versions can break between minor versions.
   | `EMAIL` | Yes      | Email address such as `foo@example.com`                |
   | `WWW`   | Yes      | Address beginning with `www` such as `www.example.com` |
   
-  Note that This changes the behavior of `AutolinkExtension.create()` to now also
+  Note that this changes the behavior of `AutolinkExtension.create()` to now also
   include `WWW` links by default. To re-enable the previous behavior, use:
 
   ```java

From 76b2168d9b8ad2b186cb05e1d985a37629b32318 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 12 Oct 2025 20:59:44 +1100
Subject: [PATCH 414/450] Prepare CHANGELOG for version 0.27.0

---
 CHANGELOG.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9cb1bae6b..31499759a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## Unreleased
+## [0.27.0] - 2025-10-12
 ### Added
 - Autolink extension: Now supports configuration of different link types that
   should be recognized and converted to links. See `AutolinkExtension#builder`
@@ -510,6 +510,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
+[0.27.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.26.0...commonmark-parent-0.27.0
 [0.26.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.25.1...commonmark-parent-0.26.0
 [0.25.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.25.0...commonmark-parent-0.25.1
 [0.25.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.24.0...commonmark-parent-0.25.0

From c55b0ecf5655d7265dfc60dbf454d1d78282b84a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 12 Oct 2025 21:00:33 +1100
Subject: [PATCH 415/450] Prepare for version 0.27.0

Ran `mvn versions:set -DnewVersion=0.27.0-SNAPSHOT`
---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 24 ++++++++++++------------
 13 files changed, 24 insertions(+), 24 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 5bb143122..4dd71fb86 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 4947e33b9..f6c7a654b 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 37216c971..78803d540 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 8acc77a5d..c8c54bd5b 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index b0207beeb..832a1a3f3 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 89efac64f..190daf471 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 03be87d08..6ed456a8b 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index e772677c5..4e5181ac2 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index b39f253ec..8341ee316 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 3ca1d58da..38573a3ee 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index f7c405069..8366b07b9 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index fb5ddb08c..cf242faf5 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.26.1-SNAPSHOT</version>
+        <version>0.27.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 926e275c9..235d1ab01 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.26.1-SNAPSHOT</version>
+    <version>0.27.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,57 +132,57 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.26.1-SNAPSHOT</version>
+                <version>0.27.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.26.1-SNAPSHOT</version>
+                <version>0.27.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.26.1-SNAPSHOT</version>
+                <version>0.27.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.26.1-SNAPSHOT</version>
+                <version>0.27.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.26.1-SNAPSHOT</version>
+                <version>0.27.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.26.1-SNAPSHOT</version>
+                <version>0.27.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.26.1-SNAPSHOT</version>
+                <version>0.27.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.26.1-SNAPSHOT</version>
+                <version>0.27.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.26.1-SNAPSHOT</version>
+                <version>0.27.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.26.1-SNAPSHOT</version>
+                <version>0.27.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.26.1-SNAPSHOT</version>
+                <version>0.27.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From de91f05a96061f5afe5b2c107610e27c1e9c2703 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 12 Oct 2025 21:03:24 +1100
Subject: [PATCH 416/450] Test on Java 25

---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e94dabbba..b32794271 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [11, 17, 21, 24]
+        java: [11, 17, 21, 25]
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4

From 70f6819d263a506ea20f4d0fb18631ca21bab2e6 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Sun, 12 Oct 2025 10:12:46 +0000
Subject: [PATCH 417/450] [maven-release-plugin] prepare release
 commonmark-parent-0.27.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 26 ++++++++++++------------
 13 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 4dd71fb86..7bbfbf99a 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index f6c7a654b..6aa86a6f8 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 78803d540..d8d8c3397 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index c8c54bd5b..98dfac272 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 832a1a3f3..a3883ed73 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 190daf471..7f7ce5002 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 6ed456a8b..2e8790c4a 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 4e5181ac2..323723d59 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 8341ee316..e08948c6c 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 38573a3ee..18d9f0394 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 8366b07b9..e0e0e97f8 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index cf242faf5..2528b4074 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0-SNAPSHOT</version>
+        <version>0.27.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 235d1ab01..9ce4f2b28 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.27.0-SNAPSHOT</version>
+    <version>0.27.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,57 +132,57 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.27.0-SNAPSHOT</version>
+                <version>0.27.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.27.0-SNAPSHOT</version>
+                <version>0.27.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.27.0-SNAPSHOT</version>
+                <version>0.27.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.27.0-SNAPSHOT</version>
+                <version>0.27.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.27.0-SNAPSHOT</version>
+                <version>0.27.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.27.0-SNAPSHOT</version>
+                <version>0.27.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.27.0-SNAPSHOT</version>
+                <version>0.27.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.27.0-SNAPSHOT</version>
+                <version>0.27.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.27.0-SNAPSHOT</version>
+                <version>0.27.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.27.0-SNAPSHOT</version>
+                <version>0.27.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.27.0-SNAPSHOT</version>
+                <version>0.27.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -309,7 +309,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.27.0</tag>
     </scm>
 
 </project>

From f4f327084d298145b714c1cef6d1ccaf355f6ab8 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Sun, 12 Oct 2025 10:12:48 +0000
Subject: [PATCH 418/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 26 ++++++++++++------------
 13 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 7bbfbf99a..5b6989097 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 6aa86a6f8..09d962e41 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index d8d8c3397..77bea3f36 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 98dfac272..00dd10420 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index a3883ed73..f3ede6535 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 7f7ce5002..384bd785f 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 2e8790c4a..d9789dfe6 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 323723d59..bbedcf976 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index e08948c6c..b4aea9395 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 18d9f0394..0f9f3b73b 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index e0e0e97f8..016bd600b 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 2528b4074..e5983e81a 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.0</version>
+        <version>0.27.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 9ce4f2b28..7818b0ba4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.27.0</version>
+    <version>0.27.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,57 +132,57 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.27.0</version>
+                <version>0.27.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.27.0</version>
+                <version>0.27.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.27.0</version>
+                <version>0.27.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.27.0</version>
+                <version>0.27.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.27.0</version>
+                <version>0.27.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.27.0</version>
+                <version>0.27.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.27.0</version>
+                <version>0.27.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.27.0</version>
+                <version>0.27.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.27.0</version>
+                <version>0.27.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.27.0</version>
+                <version>0.27.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.27.0</version>
+                <version>0.27.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -309,7 +309,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.27.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From 5fa3b86044b577cd826a3bc2c89a2a644f23061c Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Sun, 12 Oct 2025 21:27:24 +1100
Subject: [PATCH 419/450] README: Bump version

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index c61c7bdc0..2e5aea22c 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.26.0</version>
+    <version>0.27.0</version>
 </dependency>
 ```
 
@@ -291,7 +291,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.26.0</version>
+    <version>0.27.0</version>
 </dependency>
 ```
 

From 7c0d35a5e175d2d4afad9c3c783a7cb141cbf13f Mon Sep 17 00:00:00 2001
From: David Gerber <dg@zapek.com>
Date: Sun, 12 Oct 2025 22:14:53 +0200
Subject: [PATCH 420/450] Add library user to the README

Xeres is a Peer-to-Peer application that uses commonmark-java
---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 2e5aea22c..702cc3abc 100644
--- a/README.md
+++ b/README.md
@@ -453,7 +453,8 @@ Some users of this library (feel free to raise a PR if you want to be added):
 * [Open Note](https://github.com/YangDai2003/OpenNote-Compose) a markdown editor and note-taking app for Android
 * [Quarkus Roq](https://github.com/quarkiverse/quarkus-roq/) The Roq Static Site Generator allows to easily create a static website or blog using Quarkus super-powers.
 * [Lucee](https://github.com/lucee/lucee)
-* [Previewer](https://github.com/sebthom/previewer-eclipse-plugin) an extensible Eclipse plugin that previews Markdown and other text based formats. 
+* [Previewer](https://github.com/sebthom/previewer-eclipse-plugin) an extensible Eclipse plugin that previews Markdown and other text based formats.
+* [Xeres](https://xeres.io) a Peer-to-Peer application where all user generated content is done with markdown
 
 See also
 --------

From fd334350cb1d32fe745f50ca17c6096642ccbab2 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 13 Jan 2026 17:26:18 +0100
Subject: [PATCH 421/450] Fix line break parsing after hard line break

Fixes #415.
---
 CHANGELOG.md                                      |  6 ++++++
 .../org/commonmark/internal/InlineParserImpl.java |  4 +++-
 .../commonmark/test/CoreRenderingTestCase.java    |  3 ++-
 .../org/commonmark/test/SpecialInputTest.java     | 15 +++++++++++++++
 4 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 31499759a..e194b9b74 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [Unreleased]
+### Fixed
+- Line(s) after a hard line break would sometimes also get an unwanted hard
+  line break, e.g. if they ended in emphasis or other non-text inlines (#415)
+
 ## [0.27.0] - 2025-10-12
 ### Added
 - Autolink extension: Now supports configuration of different link types that
@@ -510,6 +515,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
+[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.27.0...main
 [0.27.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.26.0...commonmark-parent-0.27.0
 [0.26.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.25.1...commonmark-parent-0.26.0
 [0.25.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.25.0...commonmark-parent-0.25.1
diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index c4d9fc656..fef30c0f7 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -598,7 +598,9 @@ static String parseLinkLabel(Scanner scanner) {
     private Node parseLineBreak() {
         scanner.next();
 
-        if (trailingSpaces >= 2) {
+        var hard = trailingSpaces >= 2;
+        trailingSpaces = 0;
+        if (hard) {
             return new HardLineBreak();
         } else {
             return new SoftLineBreak();
diff --git a/commonmark/src/test/java/org/commonmark/test/CoreRenderingTestCase.java b/commonmark/src/test/java/org/commonmark/test/CoreRenderingTestCase.java
index 38f319e1c..2303d2617 100644
--- a/commonmark/src/test/java/org/commonmark/test/CoreRenderingTestCase.java
+++ b/commonmark/src/test/java/org/commonmark/test/CoreRenderingTestCase.java
@@ -11,6 +11,7 @@ public class CoreRenderingTestCase extends RenderingTestCase {
 
     @Override
     protected String render(String source) {
-        return RENDERER.render(PARSER.parse(source));
+        var node = PARSER.parse(source);
+        return RENDERER.render(node);
     }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
index 2ebac1711..45cd3aea2 100644
--- a/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/SpecialInputTest.java
@@ -210,4 +210,19 @@ public void htmlBlockInterruptingList() {
                 "</ul>\n" +
                 "</script>\n");
     }
+
+    @Test
+    public void emphasisAfterHardLineBreak() {
+        assertRendering("Hello  \n" +
+                "**Bar**\n" +
+                "Foo\n", "<p>Hello<br />\n" +
+                "<strong>Bar</strong>\n" +
+                "Foo</p>\n");
+
+        assertRendering("Hello  \n" +
+                "**Bar**  \n" +
+                "Foo\n", "<p>Hello<br />\n" +
+                "<strong>Bar</strong><br />\n" +
+                "Foo</p>\n");
+    }
 }

From 2753bf2b36f5048be2125d5a5bd2ef71ee35a79b Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 14 Jan 2026 14:21:56 +0100
Subject: [PATCH 422/450] TextContentRenderer: Fix nested lists on the same
 line

---
 CHANGELOG.md                                  |  1 +
 .../internal/renderer/text/ListHolder.java    | 14 ------
 .../text/CoreTextContentNodeRenderer.java     | 28 ++++++++++--
 .../renderer/text/TextContentWriter.java      | 44 ++++++++++++++++++-
 .../test/TextContentRendererTest.java         | 23 +++++++---
 5 files changed, 85 insertions(+), 25 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e194b9b74..d091306ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ with the exception that 0.x versions can break between minor versions.
 ### Fixed
 - Line(s) after a hard line break would sometimes also get an unwanted hard
   line break, e.g. if they ended in emphasis or other non-text inlines (#415)
+- `TextContentRenderer` (for plain text): Fix nested lists on the same line (#413)
 
 ## [0.27.0] - 2025-10-12
 ### Added
diff --git a/commonmark/src/main/java/org/commonmark/internal/renderer/text/ListHolder.java b/commonmark/src/main/java/org/commonmark/internal/renderer/text/ListHolder.java
index cb06d4a9d..14ca5b9af 100644
--- a/commonmark/src/main/java/org/commonmark/internal/renderer/text/ListHolder.java
+++ b/commonmark/src/main/java/org/commonmark/internal/renderer/text/ListHolder.java
@@ -1,27 +1,13 @@
 package org.commonmark.internal.renderer.text;
 
 public abstract class ListHolder {
-    private static final String INDENT_DEFAULT = "   ";
-    private static final String INDENT_EMPTY = "";
-
     private final ListHolder parent;
-    private final String indent;
 
     ListHolder(ListHolder parent) {
         this.parent = parent;
-
-        if (parent != null) {
-            indent = parent.indent + INDENT_DEFAULT;
-        } else {
-            indent = INDENT_EMPTY;
-        }
     }
 
     public ListHolder getParent() {
         return parent;
     }
-
-    public String getIndent() {
-        return indent;
-    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
index 68b1fbce5..2a27571c6 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
@@ -161,19 +161,30 @@ public void visit(Link link) {
     @Override
     public void visit(ListItem listItem) {
         if (listHolder != null && listHolder instanceof OrderedListHolder) {
-            OrderedListHolder orderedListHolder = (OrderedListHolder) listHolder;
-            String indent = stripNewlines() ? "" : orderedListHolder.getIndent();
-            textContent.write(indent + orderedListHolder.getCounter() + orderedListHolder.getDelimiter() + " ");
+            var orderedListHolder = (OrderedListHolder) listHolder;
+            var marker = orderedListHolder.getCounter() + orderedListHolder.getDelimiter();
+            var spaces = " ";
+            textContent.write(marker);
+            textContent.write(spaces);
+            textContent.pushPrefix(repeat(" ", marker.length() + spaces.length()));
             visitChildren(listItem);
             textContent.block();
+            textContent.popPrefix();
             orderedListHolder.increaseCounter();
         } else if (listHolder != null && listHolder instanceof BulletListHolder) {
             BulletListHolder bulletListHolder = (BulletListHolder) listHolder;
             if (!stripNewlines()) {
-                textContent.write(bulletListHolder.getIndent() + bulletListHolder.getMarker() + " ");
+                var marker = bulletListHolder.getMarker();
+                var spaces = " ";
+                textContent.write(marker);
+                textContent.write(spaces);
+                textContent.pushPrefix(repeat(" ", marker.length() + spaces.length()));
             }
             visitChildren(listItem);
             textContent.block();
+            if (!stripNewlines()) {
+                textContent.popPrefix();
+            }
         }
     }
 
@@ -268,4 +279,13 @@ private static String stripTrailingNewline(String s) {
             return s;
         }
     }
+
+    // Keep for Android compat (String.repeat only available on Android 12 and later)
+    private static String repeat(String s, int count) {
+        var sb = new StringBuilder(s.length() * count);
+        for (int i = 0; i < count; i++) {
+            sb.append(s);
+        }
+        return sb.toString();
+    }
 }
diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentWriter.java b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentWriter.java
index 2b9f35070..1fb482785 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/TextContentWriter.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/TextContentWriter.java
@@ -8,6 +8,7 @@ public class TextContentWriter {
     private final Appendable buffer;
     private final LineBreakRendering lineBreakRendering;
 
+    private final LinkedList<String> prefixes = new LinkedList<>();
     private final LinkedList<Boolean> tight = new LinkedList<>();
 
     private String blockSeparator = null;
@@ -36,6 +37,7 @@ public void colon() {
 
     public void line() {
         append('\n');
+        writePrefixes();
     }
 
     public void block() {
@@ -61,6 +63,32 @@ public void write(char c) {
         append(c);
     }
 
+    /**
+     * Push a prefix onto the top of the stack. All prefixes are written at the beginning of each line, until the
+     * prefix is popped again.
+     *
+     * @param prefix the raw prefix string
+     */
+    public void pushPrefix(String prefix) {
+        prefixes.addLast(prefix);
+    }
+
+    /**
+     * Write a prefix.
+     *
+     * @param prefix the raw prefix string to write
+     */
+    public void writePrefix(String prefix) {
+        write(prefix);
+    }
+
+    /**
+     * Remove the last prefix from the top of the stack.
+     */
+    public void popPrefix() {
+        prefixes.removeLast();
+    }
+
     /**
      * Change whether blocks are tight or loose. Loose is the default where blocks are separated by a blank line. Tight
      * is where blocks are not separated by a blank line. Tight blocks are used in lists, if there are no blank lines
@@ -84,12 +112,26 @@ private boolean isTight() {
         return !tight.isEmpty() && tight.getLast();
     }
 
+    private void writePrefixes() {
+        for (String prefix : prefixes) {
+            append(prefix);
+        }
+    }
+
     /**
      * If a block separator has been enqueued with {@link #block()} but not yet written, write it now.
      */
     private void flushBlockSeparator() {
         if (blockSeparator != null) {
-            append(blockSeparator);
+            if (blockSeparator.equals("\n") || blockSeparator.equals("\n\n")) {
+                for (int i = 0; i < blockSeparator.length(); i++) {
+                    var sep = blockSeparator.charAt(i);
+                    append(sep);
+                    writePrefixes();
+                }
+            } else {
+                append(blockSeparator);
+            }
             blockSeparator = null;
         }
     }
diff --git a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
index bc443e0e2..46757e0c3 100644
--- a/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/TextContentRendererTest.java
@@ -116,14 +116,14 @@ public void textContentLists() {
         assertSeparate(s, "bar\n\n1. foo\n   1. bar\n2. foo");
         assertStripped(s, "bar 1. foo 1. bar 2. foo");
 
-        s = "bar\n* foo\n   - bar\n* foo";
-        assertCompact(s, "bar\n* foo\n   - bar\n* foo");
-        assertSeparate(s, "bar\n\n* foo\n   - bar\n* foo");
+        s = "bar\n* foo\n  - bar\n* foo";
+        assertCompact(s, "bar\n* foo\n  - bar\n* foo");
+        assertSeparate(s, "bar\n\n* foo\n  - bar\n* foo");
         assertStripped(s, "bar foo bar foo");
 
-        s = "bar\n* foo\n   1. bar\n   2. bar\n* foo";
-        assertCompact(s, "bar\n* foo\n   1. bar\n   2. bar\n* foo");
-        assertSeparate(s, "bar\n\n* foo\n   1. bar\n   2. bar\n* foo");
+        s = "bar\n* foo\n  1. bar\n  2. bar\n* foo";
+        assertCompact(s, "bar\n* foo\n  1. bar\n  2. bar\n* foo");
+        assertSeparate(s, "bar\n\n* foo\n  1. bar\n  2. bar\n* foo");
         assertStripped(s, "bar foo 1. bar 2. bar foo");
 
         s = "bar\n1. foo\n   * bar\n   * bar\n2. foo";
@@ -196,6 +196,17 @@ public void textContentHtml() {
         assertAll(html, html);
     }
 
+    @Test
+    public void testContentNestedLists() {
+        var s = "List:\n" +
+                "1. 2) 3. \n" +
+                "end";
+        assertCompact(s, s);
+
+        var s2 = "1. A\n   1) B\n      1. Test";
+        assertCompact(s2, s2);
+    }
+
     @Test
     public void testOverrideNodeRendering() {
         var nodeRendererFactory = new TextContentNodeRendererFactory() {

From 67f8405f4e92086321af75c7bf7718ef2362dc1a Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 14 Jan 2026 14:26:28 +0100
Subject: [PATCH 423/450] Make list holder classes innner classes

---
 .../renderer/text/BulletListHolder.java       | 16 ------
 .../internal/renderer/text/ListHolder.java    | 13 -----
 .../renderer/text/OrderedListHolder.java      | 26 ----------
 .../text/CoreTextContentNodeRenderer.java     | 51 +++++++++++++++++--
 4 files changed, 48 insertions(+), 58 deletions(-)
 delete mode 100644 commonmark/src/main/java/org/commonmark/internal/renderer/text/BulletListHolder.java
 delete mode 100644 commonmark/src/main/java/org/commonmark/internal/renderer/text/ListHolder.java
 delete mode 100644 commonmark/src/main/java/org/commonmark/internal/renderer/text/OrderedListHolder.java

diff --git a/commonmark/src/main/java/org/commonmark/internal/renderer/text/BulletListHolder.java b/commonmark/src/main/java/org/commonmark/internal/renderer/text/BulletListHolder.java
deleted file mode 100644
index a9271dcdb..000000000
--- a/commonmark/src/main/java/org/commonmark/internal/renderer/text/BulletListHolder.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package org.commonmark.internal.renderer.text;
-
-import org.commonmark.node.BulletList;
-
-public class BulletListHolder extends ListHolder {
-    private final String marker;
-
-    public BulletListHolder(ListHolder parent, BulletList list) {
-        super(parent);
-        marker = list.getMarker();
-    }
-
-    public String getMarker() {
-        return marker;
-    }
-}
diff --git a/commonmark/src/main/java/org/commonmark/internal/renderer/text/ListHolder.java b/commonmark/src/main/java/org/commonmark/internal/renderer/text/ListHolder.java
deleted file mode 100644
index 14ca5b9af..000000000
--- a/commonmark/src/main/java/org/commonmark/internal/renderer/text/ListHolder.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package org.commonmark.internal.renderer.text;
-
-public abstract class ListHolder {
-    private final ListHolder parent;
-
-    ListHolder(ListHolder parent) {
-        this.parent = parent;
-    }
-
-    public ListHolder getParent() {
-        return parent;
-    }
-}
diff --git a/commonmark/src/main/java/org/commonmark/internal/renderer/text/OrderedListHolder.java b/commonmark/src/main/java/org/commonmark/internal/renderer/text/OrderedListHolder.java
deleted file mode 100644
index e5e470951..000000000
--- a/commonmark/src/main/java/org/commonmark/internal/renderer/text/OrderedListHolder.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package org.commonmark.internal.renderer.text;
-
-import org.commonmark.node.OrderedList;
-
-public class OrderedListHolder extends ListHolder {
-    private final String delimiter;
-    private int counter;
-
-    public OrderedListHolder(ListHolder parent, OrderedList list) {
-        super(parent);
-        delimiter = list.getMarkerDelimiter() != null ? list.getMarkerDelimiter() : ".";
-        counter = list.getMarkerStartNumber() != null ? list.getMarkerStartNumber() : 1;
-    }
-
-    public String getDelimiter() {
-        return delimiter;
-    }
-
-    public int getCounter() {
-        return counter;
-    }
-
-    public void increaseCounter() {
-        counter++;
-    }
-}
diff --git a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
index 2a27571c6..ee564cbdb 100644
--- a/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
+++ b/commonmark/src/main/java/org/commonmark/renderer/text/CoreTextContentNodeRenderer.java
@@ -1,8 +1,5 @@
 package org.commonmark.renderer.text;
 
-import org.commonmark.internal.renderer.text.BulletListHolder;
-import org.commonmark.internal.renderer.text.ListHolder;
-import org.commonmark.internal.renderer.text.OrderedListHolder;
 import org.commonmark.node.*;
 import org.commonmark.renderer.NodeRenderer;
 
@@ -288,4 +285,52 @@ private static String repeat(String s, int count) {
         }
         return sb.toString();
     }
+
+    private static class BulletListHolder extends ListHolder {
+        private final String marker;
+
+        public BulletListHolder(ListHolder parent, BulletList list) {
+            super(parent);
+            marker = list.getMarker();
+        }
+
+        public String getMarker() {
+            return marker;
+        }
+    }
+
+    private abstract static class ListHolder {
+        private final ListHolder parent;
+
+        ListHolder(ListHolder parent) {
+            this.parent = parent;
+        }
+
+        public ListHolder getParent() {
+            return parent;
+        }
+    }
+
+    private static class OrderedListHolder extends ListHolder {
+        private final String delimiter;
+        private int counter;
+
+        public OrderedListHolder(ListHolder parent, OrderedList list) {
+            super(parent);
+            delimiter = list.getMarkerDelimiter() != null ? list.getMarkerDelimiter() : ".";
+            counter = list.getMarkerStartNumber() != null ? list.getMarkerStartNumber() : 1;
+        }
+
+        public String getDelimiter() {
+            return delimiter;
+        }
+
+        public int getCounter() {
+            return counter;
+        }
+
+        public void increaseCounter() {
+            counter++;
+        }
+    }
 }

From c946bfe1ac61697a6085315de45c96e2f22b2893 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 14 Jan 2026 14:42:14 +0100
Subject: [PATCH 424/450] Make nested brackets optimization more effective
 again

---
 .../java/org/commonmark/internal/InlineParserImpl.java    | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
index fef30c0f7..44422f421 100644
--- a/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
+++ b/commonmark/src/main/java/org/commonmark/internal/InlineParserImpl.java
@@ -383,14 +383,13 @@ private LinkInfo parseLinkInfo(Bracket opener, Position beforeClose) {
         //   - Collapsed: `[foo][]`    (foo is both the text and label)
         //   - Shortcut:  `[foo]`      (foo is both the text and label)
 
-        String text = scanner.getSource(opener.contentPosition, beforeClose).getContent();
-
         // Starting position is after the closing `]`
-        Position afterClose = scanner.position();
+        var afterClose = scanner.position();
 
         // Maybe an inline link/image
         var destinationTitle = parseInlineDestinationTitle(scanner);
         if (destinationTitle != null) {
+            var text = scanner.getSource(opener.contentPosition, beforeClose).getContent();
             return new LinkInfoImpl(opener.markerNode, opener.bracketNode, text, null, destinationTitle.destination, destinationTitle.title, afterClose);
         }
         // Not an inline link/image, rewind back to after `]`.
@@ -401,7 +400,7 @@ private LinkInfo parseLinkInfo(Bracket opener, Position beforeClose) {
         // failed to be parsed as an inline link/image before.
 
         // See if there's a link label like `[bar]` or `[]`
-        String label = parseLinkLabel(scanner);
+        var label = parseLinkLabel(scanner);
         if (label == null) {
             // No label, rewind back
             scanner.setPosition(afterClose);
@@ -413,6 +412,7 @@ private LinkInfo parseLinkInfo(Bracket opener, Position beforeClose) {
             return null;
         }
 
+        var text = scanner.getSource(opener.contentPosition, beforeClose).getContent();
         return new LinkInfoImpl(opener.markerNode, opener.bracketNode, text, label, null, null, afterClose);
     }
 

From eb7bac0c12a65c77fb5988cb36e3370fc2b05def Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 14 Jan 2026 14:48:54 +0100
Subject: [PATCH 425/450] Prepare CHANGELOG for version 0.27.1

---
 CHANGELOG.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d091306ae..b973b700f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,11 +6,13 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
-## [Unreleased]
+## [0.27.1] - 2026-01-14
 ### Fixed
 - Line(s) after a hard line break would sometimes also get an unwanted hard
   line break, e.g. if they ended in emphasis or other non-text inlines (#415)
 - `TextContentRenderer` (for plain text): Fix nested lists on the same line (#413)
+- Fix minor performance regression with pathological input (deeply nested
+  brackets) that was introduced in version 0.23.0.
 
 ## [0.27.0] - 2025-10-12
 ### Added
@@ -516,7 +518,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
-[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.27.0...main
+[0.27.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.27.0...commonmark-parent-0.27.1
 [0.27.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.26.0...commonmark-parent-0.27.0
 [0.26.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.25.1...commonmark-parent-0.26.0
 [0.25.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.25.0...commonmark-parent-0.25.1

From cded1b17fd6c557e7bd162b8cbe46e3e21f2adfe Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Wed, 14 Jan 2026 13:55:01 +0000
Subject: [PATCH 426/450] [maven-release-plugin] prepare release
 commonmark-parent-0.27.1

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 26 ++++++++++++------------
 13 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 5b6989097..9bc18a017 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 09d962e41..1f3ac5bed 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 77bea3f36..1f82a3c60 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 00dd10420..575e83046 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index f3ede6535..3bc414ba8 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 384bd785f..347fef760 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index d9789dfe6..a3e95a71d 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index bbedcf976..2afe91d63 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index b4aea9395..4d202c514 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 0f9f3b73b..52e62c511 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 016bd600b..63a1a504b 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index e5983e81a..2aeafff1f 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1-SNAPSHOT</version>
+        <version>0.27.1</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 7818b0ba4..fea84fd5d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.27.1-SNAPSHOT</version>
+    <version>0.27.1</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,57 +132,57 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.27.1-SNAPSHOT</version>
+                <version>0.27.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.27.1-SNAPSHOT</version>
+                <version>0.27.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.27.1-SNAPSHOT</version>
+                <version>0.27.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.27.1-SNAPSHOT</version>
+                <version>0.27.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.27.1-SNAPSHOT</version>
+                <version>0.27.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.27.1-SNAPSHOT</version>
+                <version>0.27.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.27.1-SNAPSHOT</version>
+                <version>0.27.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.27.1-SNAPSHOT</version>
+                <version>0.27.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.27.1-SNAPSHOT</version>
+                <version>0.27.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.27.1-SNAPSHOT</version>
+                <version>0.27.1</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.27.1-SNAPSHOT</version>
+                <version>0.27.1</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -309,7 +309,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.27.1</tag>
     </scm>
 
 </project>

From 502da7839116625c3ed5454decd20b5b084388d6 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Wed, 14 Jan 2026 13:55:02 +0000
Subject: [PATCH 427/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 26 ++++++++++++------------
 13 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 9bc18a017..a99fd0b8c 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 1f3ac5bed..8bb88d74a 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 1f82a3c60..f6cedc69a 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 575e83046..4e94f623c 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 3bc414ba8..707948a10 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 347fef760..456ac04a2 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index a3e95a71d..a06c27b29 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 2afe91d63..0fc164672 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 4d202c514..860cfbac7 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 52e62c511..3433b42d4 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 63a1a504b..699adb3de 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 2aeafff1f..76dad6c83 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.1</version>
+        <version>0.27.2-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index fea84fd5d..b3a8e2b9f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.27.1</version>
+    <version>0.27.2-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -132,57 +132,57 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.27.1</version>
+                <version>0.27.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.27.1</version>
+                <version>0.27.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.27.1</version>
+                <version>0.27.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.27.1</version>
+                <version>0.27.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.27.1</version>
+                <version>0.27.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.27.1</version>
+                <version>0.27.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.27.1</version>
+                <version>0.27.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.27.1</version>
+                <version>0.27.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.27.1</version>
+                <version>0.27.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.27.1</version>
+                <version>0.27.2-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.27.1</version>
+                <version>0.27.2-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -309,7 +309,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.27.1</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From 23f3db80c53bbb9b7d67ab7748350c5bdf2364d6 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Wed, 14 Jan 2026 15:04:28 +0100
Subject: [PATCH 428/450] README: Bump version

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 702cc3abc..a917167f6 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.27.0</version>
+    <version>0.27.1</version>
 </dependency>
 ```
 
@@ -291,7 +291,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.27.0</version>
+    <version>0.27.1</version>
 </dependency>
 ```
 

From af45936db125ed9e29b2229551c41425e8bd8162 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Mon, 26 Jan 2026 21:55:37 +0000
Subject: [PATCH 429/450] Bump org.assertj:assertj-core from 3.27.3 to 3.27.7

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.27.3 to 3.27.7.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](https://github.com/assertj/assertj/compare/assertj-build-3.27.3...assertj-build-3.27.7)

---
updated-dependencies:
- dependency-name: org.assertj:assertj-core
  dependency-version: 3.27.7
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index b3a8e2b9f..d55d1fd85 100644
--- a/pom.xml
+++ b/pom.xml
@@ -194,7 +194,7 @@
             <dependency>
                 <groupId>org.assertj</groupId>
                 <artifactId>assertj-core</artifactId>
-                <version>3.27.3</version>
+                <version>3.27.7</version>
             </dependency>
             <dependency>
                 <groupId>org.openjdk.jmh</groupId>

From 057f13dd8e9472a45c714ad0c06a1a425ec21f61 Mon Sep 17 00:00:00 2001
From: Andy Damevin <ia3andy@gmail.com>
Date: Tue, 3 Mar 2026 17:02:16 +0100
Subject: [PATCH 430/450] Add GFM alerts extension

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 commonmark-ext-gfm-alerts/README.md           |  70 +++
 commonmark-ext-gfm-alerts/pom.xml             |  27 +
 .../src/main/java/module-info.java            |   5 +
 .../org/commonmark/ext/gfm/alerts/Alert.java  |  19 +
 .../ext/gfm/alerts/AlertsExtension.java       | 117 +++++
 .../internal/AlertHtmlNodeRenderer.java       |  77 +++
 .../internal/AlertMarkdownNodeRenderer.java   |  38 ++
 .../alerts/internal/AlertNodeRenderer.java    |  22 +
 .../alerts/internal/AlertPostProcessor.java   | 170 ++++++
 .../src/main/javadoc/overview.html            |   6 +
 .../alerts/AlertsMarkdownRendererTest.java    |  73 +++
 .../ext/gfm/alerts/AlertsSpecTest.java        |  43 ++
 .../commonmark/ext/gfm/alerts/AlertsTest.java | 140 +++++
 .../gfm/alerts/examples/AlertsExample.java    |  94 ++++
 .../src/test/resources/alerts-spec.txt        | 492 ++++++++++++++++++
 pom.xml                                       |   1 +
 16 files changed, 1394 insertions(+)
 create mode 100644 commonmark-ext-gfm-alerts/README.md
 create mode 100644 commonmark-ext-gfm-alerts/pom.xml
 create mode 100644 commonmark-ext-gfm-alerts/src/main/java/module-info.java
 create mode 100644 commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/Alert.java
 create mode 100644 commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/AlertsExtension.java
 create mode 100644 commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java
 create mode 100644 commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertMarkdownNodeRenderer.java
 create mode 100644 commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertNodeRenderer.java
 create mode 100644 commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java
 create mode 100644 commonmark-ext-gfm-alerts/src/main/javadoc/overview.html
 create mode 100644 commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsMarkdownRendererTest.java
 create mode 100644 commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsSpecTest.java
 create mode 100644 commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsTest.java
 create mode 100644 commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/examples/AlertsExample.java
 create mode 100644 commonmark-ext-gfm-alerts/src/test/resources/alerts-spec.txt

diff --git a/commonmark-ext-gfm-alerts/README.md b/commonmark-ext-gfm-alerts/README.md
new file mode 100644
index 000000000..b70584e9b
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/README.md
@@ -0,0 +1,70 @@
+# commonmark-ext-gfm-alerts
+
+Extension for [commonmark-java](https://github.com/commonmark/commonmark-java) that adds support for [GitHub Flavored Markdown alerts](https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#alerts).
+
+Enables highlighting important information using blockquote syntax with five standard alert types: NOTE, TIP, IMPORTANT, WARNING, and CAUTION.
+
+## Usage
+
+#### Markdown Syntax
+
+```markdown
+> [!NOTE]
+> Useful information
+
+> [!WARNING]
+> Critical information
+```
+
+#### Standard GFM Types
+
+```java
+Extension extension = AlertsExtension.create();
+Parser parser = Parser.builder().extensions(List.of(extension)).build();
+HtmlRenderer renderer = HtmlRenderer.builder().extensions(List.of(extension)).build();
+```
+
+#### Custom Alert Types
+
+Add custom types beyond the five standard GFM types:
+
+```java
+Extension extension = AlertsExtension.builder()
+        .addCustomType("INFO", "Information")
+        .build();
+```
+
+Custom types must be UPPERCASE and cannot override standard types.
+
+#### Styling
+
+Alerts render as `<div>` elements with CSS classes:
+
+```html
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+  <p class="markdown-alert-title">Note</p>
+  <p>Content</p>
+</div>
+```
+
+Basic CSS example:
+
+```css
+.markdown-alert {
+    padding: 0.5rem 1rem;
+    margin-bottom: 1rem;
+    border-left: 4px solid;
+}
+
+.markdown-alert-note { border-color: #0969da; background-color: #ddf4ff; }
+.markdown-alert-tip { border-color: #1a7f37; background-color: #dcffe4; }
+.markdown-alert-important { border-color: #8250df; background-color: #f6f0ff; }
+.markdown-alert-warning { border-color: #9a6700; background-color: #fff8c5; }
+.markdown-alert-caution { border-color: #cf222e; background-color: #ffebe9; }
+```
+
+Icons can be added using CSS `::before` pseudo-elements with GitHub's [Octicons](https://primer.style/octicons/) (info, light-bulb, report, alert, stop icons).
+
+## License
+
+See the main commonmark-java project for license information.
diff --git a/commonmark-ext-gfm-alerts/pom.xml b/commonmark-ext-gfm-alerts/pom.xml
new file mode 100644
index 000000000..5235af6b2
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/pom.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.commonmark</groupId>
+        <artifactId>commonmark-parent</artifactId>
+        <version>0.27.2-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>commonmark-ext-gfm-alerts</artifactId>
+    <name>commonmark-java extension for alerts</name>
+    <description>commonmark-java extension for GFM alerts (admonition blocks) using [!TYPE] syntax (GitHub Flavored Markdown)</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.commonmark</groupId>
+            <artifactId>commonmark</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.commonmark</groupId>
+            <artifactId>commonmark-test-util</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/commonmark-ext-gfm-alerts/src/main/java/module-info.java b/commonmark-ext-gfm-alerts/src/main/java/module-info.java
new file mode 100644
index 000000000..e8b5aecb7
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/main/java/module-info.java
@@ -0,0 +1,5 @@
+module org.commonmark.ext.gfm.alerts {
+    exports org.commonmark.ext.gfm.alerts;
+
+    requires transitive org.commonmark;
+}
diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/Alert.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/Alert.java
new file mode 100644
index 000000000..bb28e7344
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/Alert.java
@@ -0,0 +1,19 @@
+package org.commonmark.ext.gfm.alerts;
+
+import org.commonmark.node.CustomBlock;
+
+/**
+ * Alert block for highlighting important information using {@code [!TYPE]} syntax.
+ */
+public class Alert extends CustomBlock {
+
+    private final String type;
+
+    public Alert(String type) {
+        this.type = type;
+    }
+
+    public String getType() {
+        return type;
+    }
+}
diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/AlertsExtension.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/AlertsExtension.java
new file mode 100644
index 000000000..63a69f746
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/AlertsExtension.java
@@ -0,0 +1,117 @@
+package org.commonmark.ext.gfm.alerts;
+
+import org.commonmark.Extension;
+import org.commonmark.ext.gfm.alerts.internal.AlertPostProcessor;
+import org.commonmark.ext.gfm.alerts.internal.AlertHtmlNodeRenderer;
+import org.commonmark.ext.gfm.alerts.internal.AlertMarkdownNodeRenderer;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.NodeRenderer;
+import org.commonmark.renderer.html.HtmlNodeRendererContext;
+import org.commonmark.renderer.html.HtmlNodeRendererFactory;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererFactory;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
+
+import java.util.HashSet;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Extension for GFM alerts using {@code [!TYPE]} syntax (GitHub Flavored Markdown).
+ * <p>
+ * Create with {@link #create()} or {@link #builder()} and configure on builders
+ * ({@link org.commonmark.parser.Parser.Builder#extensions(Iterable)},
+ * {@link HtmlRenderer.Builder#extensions(Iterable)}).
+ * Parsed alerts become {@link Alert} blocks.
+ */
+public class AlertsExtension implements Parser.ParserExtension, HtmlRenderer.HtmlRendererExtension,
+        MarkdownRenderer.MarkdownRendererExtension {
+
+    static final Set<String> STANDARD_TYPES = Set.of("NOTE", "TIP", "IMPORTANT", "WARNING", "CAUTION");
+
+    private final Map<String, String> customTypes;
+
+    private AlertsExtension(Builder builder) {
+        this.customTypes = new LinkedHashMap<>(builder.customTypes);
+    }
+
+    public static Extension create() {
+        return builder().build();
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    @Override
+    public void extend(Parser.Builder parserBuilder) {
+        Set<String> allowedTypes = new HashSet<>(STANDARD_TYPES);
+        allowedTypes.addAll(customTypes.keySet());
+        parserBuilder.postProcessor(new AlertPostProcessor(allowedTypes));
+    }
+
+    @Override
+    public void extend(HtmlRenderer.Builder rendererBuilder) {
+        rendererBuilder.nodeRendererFactory(new HtmlNodeRendererFactory() {
+            @Override
+            public NodeRenderer create(HtmlNodeRendererContext context) {
+                return new AlertHtmlNodeRenderer(context, customTypes);
+            }
+        });
+    }
+
+    @Override
+    public void extend(MarkdownRenderer.Builder rendererBuilder) {
+        rendererBuilder.nodeRendererFactory(new MarkdownNodeRendererFactory() {
+            @Override
+            public NodeRenderer create(MarkdownNodeRendererContext context) {
+                return new AlertMarkdownNodeRenderer(context);
+            }
+
+            @Override
+            public Set<Character> getSpecialCharacters() {
+                return Set.of();
+            }
+        });
+    }
+
+    /**
+     * Builder for configuring the alerts extension.
+     */
+    public static class Builder {
+        private final Map<String, String> customTypes = new LinkedHashMap<>();
+
+        /**
+         * Adds a custom alert type with a display title.
+         * <p>
+         * This can also be used to override the display title of standard GFM types
+         * (e.g., for localization).
+         *
+         * @param type the alert type (must be uppercase)
+         * @param title the display title for this alert type
+         * @return {@code this}
+         */
+        public Builder addCustomType(String type, String title) {
+            if (type == null || type.isEmpty()) {
+                throw new IllegalArgumentException("Type must not be null or empty");
+            }
+            if (title == null || title.isEmpty()) {
+                throw new IllegalArgumentException("Title must not be null or empty");
+            }
+            if (!type.equals(type.toUpperCase())) {
+                throw new IllegalArgumentException("Type must be uppercase: " + type);
+            }
+            customTypes.put(type, title);
+            return this;
+        }
+
+        /**
+         * @return a configured {@link Extension}
+         */
+        public Extension build() {
+            return new AlertsExtension(this);
+        }
+    }
+}
diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java
new file mode 100644
index 000000000..202c20290
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java
@@ -0,0 +1,77 @@
+package org.commonmark.ext.gfm.alerts.internal;
+
+import org.commonmark.ext.gfm.alerts.Alert;
+import org.commonmark.node.Node;
+import org.commonmark.renderer.html.HtmlNodeRendererContext;
+import org.commonmark.renderer.html.HtmlWriter;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+public class AlertHtmlNodeRenderer extends AlertNodeRenderer {
+
+    private final HtmlWriter htmlWriter;
+    private final HtmlNodeRendererContext context;
+    private final Map<String, String> customTypeTitles;
+
+    public AlertHtmlNodeRenderer(HtmlNodeRendererContext context, Map<String, String> customTypeTitles) {
+        this.htmlWriter = context.getWriter();
+        this.context = context;
+        this.customTypeTitles = customTypeTitles;
+    }
+
+    @Override
+    protected void renderAlert(Alert alert) {
+        String type = alert.getType();
+        String cssClass = type.toLowerCase();
+
+        htmlWriter.line();
+        Map<String, String> attributes = new LinkedHashMap<>();
+        attributes.put("class", "markdown-alert markdown-alert-" + cssClass);
+        attributes.put("data-alert-type", cssClass);
+
+        htmlWriter.tag("div", context.extendAttributes(alert, "div", attributes));
+        htmlWriter.line();
+
+        // Render alert title
+        htmlWriter.tag("p", Map.of("class", "markdown-alert-title"));
+        htmlWriter.text(getAlertTitle(type));
+        htmlWriter.tag("/p");
+        htmlWriter.line();
+
+        // Render children (the alert content)
+        renderChildren(alert);
+
+        htmlWriter.tag("/div");
+        htmlWriter.line();
+    }
+
+    private String getAlertTitle(String type) {
+        if (customTypeTitles.containsKey(type)) {
+            return customTypeTitles.get(type);
+        }
+        switch (type) {
+            case "NOTE":
+                return "Note";
+            case "TIP":
+                return "Tip";
+            case "IMPORTANT":
+                return "Important";
+            case "WARNING":
+                return "Warning";
+            case "CAUTION":
+                return "Caution";
+            default:
+                throw new IllegalStateException("Unknown alert type: " + type);
+        }
+    }
+
+    private void renderChildren(Node parent) {
+        Node node = parent.getFirstChild();
+        while (node != null) {
+            Node next = node.getNext();
+            context.render(node);
+            node = next;
+        }
+    }
+}
diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertMarkdownNodeRenderer.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertMarkdownNodeRenderer.java
new file mode 100644
index 000000000..edc988c94
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertMarkdownNodeRenderer.java
@@ -0,0 +1,38 @@
+package org.commonmark.ext.gfm.alerts.internal;
+
+import org.commonmark.ext.gfm.alerts.Alert;
+import org.commonmark.node.Node;
+import org.commonmark.renderer.markdown.MarkdownNodeRendererContext;
+import org.commonmark.renderer.markdown.MarkdownWriter;
+
+public class AlertMarkdownNodeRenderer extends AlertNodeRenderer {
+
+    private final MarkdownWriter writer;
+    private final MarkdownNodeRendererContext context;
+
+    public AlertMarkdownNodeRenderer(MarkdownNodeRendererContext context) {
+        this.writer = context.getWriter();
+        this.context = context;
+    }
+
+    @Override
+    protected void renderAlert(Alert alert) {
+        // First line: > [!TYPE]
+        writer.writePrefix("> ");
+        writer.pushPrefix("> ");
+        writer.raw("[!" + alert.getType() + "]");
+        writer.line();
+        renderChildren(alert);
+        writer.popPrefix();
+        writer.block();
+    }
+
+    private void renderChildren(Node parent) {
+        Node node = parent.getFirstChild();
+        while (node != null) {
+            Node next = node.getNext();
+            context.render(node);
+            node = next;
+        }
+    }
+}
diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertNodeRenderer.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertNodeRenderer.java
new file mode 100644
index 000000000..dcb1a25eb
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertNodeRenderer.java
@@ -0,0 +1,22 @@
+package org.commonmark.ext.gfm.alerts.internal;
+
+import org.commonmark.ext.gfm.alerts.Alert;
+import org.commonmark.renderer.NodeRenderer;
+
+import java.util.Set;
+
+public abstract class AlertNodeRenderer implements NodeRenderer {
+
+    @Override
+    public Set<Class<? extends org.commonmark.node.Node>> getNodeTypes() {
+        return Set.of(Alert.class);
+    }
+
+    @Override
+    public void render(org.commonmark.node.Node node) {
+        Alert alert = (Alert) node;
+        renderAlert(alert);
+    }
+
+    protected abstract void renderAlert(Alert alert);
+}
diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java
new file mode 100644
index 000000000..0d02c3527
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java
@@ -0,0 +1,170 @@
+package org.commonmark.ext.gfm.alerts.internal;
+
+import org.commonmark.ext.gfm.alerts.Alert;
+import org.commonmark.node.*;
+import org.commonmark.parser.PostProcessor;
+
+import java.util.Set;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class AlertPostProcessor implements PostProcessor {
+
+    // Case-insensitive matching for alert type (GitHub supports any case)
+    private static final Pattern ALERT_PATTERN = Pattern.compile("^\\[!([a-zA-Z]+)]\\s*$");
+
+    private final Set<String> allowedTypes;
+
+    public AlertPostProcessor(Set<String> allowedTypes) {
+        this.allowedTypes = allowedTypes;
+    }
+
+    @Override
+    public Node process(Node document) {
+        AlertVisitor visitor = new AlertVisitor(allowedTypes);
+        document.accept(visitor);
+        return document;
+    }
+
+    private static class AlertVisitor extends AbstractVisitor {
+
+        private final Set<String> allowedTypes;
+
+        AlertVisitor(Set<String> allowedTypes) {
+            this.allowedTypes = allowedTypes;
+        }
+
+        @Override
+        public void visit(BlockQuote blockQuote) {
+            // Only convert top-level block quotes (direct children of Document).
+            // This matches GitHub's behavior where alerts are only detected at the document level.
+            if (blockQuote.getParent() instanceof Document) {
+                if (tryConvertToAlert(blockQuote)) {
+                    return;
+                }
+            }
+            visitChildren(blockQuote);
+        }
+
+        private boolean tryConvertToAlert(BlockQuote blockQuote) {
+            Node firstChild = blockQuote.getFirstChild();
+            if (!(firstChild instanceof Paragraph)) {
+                return false;
+            }
+
+            Paragraph paragraph = (Paragraph) firstChild;
+            Node firstInline = paragraph.getFirstChild();
+            if (!(firstInline instanceof Text)) {
+                return false;
+            }
+
+            Text textNode = (Text) firstInline;
+            String literal = textNode.getLiteral();
+
+            // The alert marker can be the entire text node content, or just the first line
+            // before a line break. We need to check both cases.
+            // Trailing spaces on the marker line create a HardLineBreak instead of SoftLineBreak.
+            String markerText;
+            Node afterMarker = firstInline.getNext();
+            if (afterMarker instanceof SoftLineBreak || afterMarker instanceof HardLineBreak || afterMarker == null) {
+                markerText = literal;
+            } else {
+                // Text followed by something other than a line break on same line - not an alert
+                return false;
+            }
+
+            Matcher matcher = ALERT_PATTERN.matcher(markerText);
+            if (!matcher.matches()) {
+                return false;
+            }
+
+            String type = matcher.group(1).toUpperCase();
+            if (!allowedTypes.contains(type)) {
+                return false;
+            }
+
+            // Must have content after the marker line. An alert with ONLY the marker
+            // and no content is a normal blockquote on GitHub.
+            boolean hasContentAfterMarker;
+            if (afterMarker instanceof SoftLineBreak || afterMarker instanceof HardLineBreak) {
+                // There's a line break after marker - check if there's content after it
+                hasContentAfterMarker = afterMarker.getNext() != null || paragraph.getNext() != null;
+            } else {
+                // Marker is the only thing in this text node
+                hasContentAfterMarker = paragraph.getNext() != null;
+            }
+
+            if (!hasContentAfterMarker) {
+                return false;
+            }
+
+            // Check if the content after the marker is only whitespace
+            if (isContentWhitespaceOnly(paragraph, firstInline)) {
+                return false;
+            }
+
+            // Valid alert. Create Alert node and transfer children.
+            Alert alert = new Alert(type);
+
+            blockQuote.insertAfter(alert);
+
+            // Remove the marker text and line break from the first paragraph
+            if (afterMarker instanceof SoftLineBreak || afterMarker instanceof HardLineBreak) {
+                afterMarker.unlink();
+            }
+            firstInline.unlink();
+
+            // If paragraph is now empty, remove it
+            if (paragraph.getFirstChild() == null) {
+                paragraph.unlink();
+            }
+
+            // Move remaining children from blockquote to alert
+            Node child = blockQuote.getFirstChild();
+            while (child != null) {
+                Node next = child.getNext();
+                alert.appendChild(child);
+                child = next;
+            }
+
+            blockQuote.unlink();
+            return true;
+        }
+
+        private boolean isContentWhitespaceOnly(Paragraph firstParagraph, Node markerNode) {
+            // Check inline nodes after the marker in the first paragraph
+            Node next = markerNode.getNext();
+            while (next != null) {
+                if (next instanceof Text) {
+                    if (!((Text) next).getLiteral().trim().isEmpty()) {
+                        return false;
+                    }
+                } else if (!(next instanceof SoftLineBreak) && !(next instanceof HardLineBreak)) {
+                    return false;
+                }
+                next = next.getNext();
+            }
+
+            // Check block-level siblings after the first paragraph
+            Node block = firstParagraph.getNext();
+            while (block != null) {
+                if (block instanceof Paragraph) {
+                    Node child = block.getFirstChild();
+                    while (child != null) {
+                        if (child instanceof Text && !((Text) child).getLiteral().trim().isEmpty()) {
+                            return false;
+                        } else if (!(child instanceof Text) && !(child instanceof SoftLineBreak) && !(child instanceof HardLineBreak)) {
+                            return false;
+                        }
+                        child = child.getNext();
+                    }
+                } else {
+                    return false;
+                }
+                block = block.getNext();
+            }
+
+            return true;
+        }
+    }
+}
diff --git a/commonmark-ext-gfm-alerts/src/main/javadoc/overview.html b/commonmark-ext-gfm-alerts/src/main/javadoc/overview.html
new file mode 100644
index 000000000..145232a87
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/main/javadoc/overview.html
@@ -0,0 +1,6 @@
+<html>
+<body>
+<b>Extension for GitHub Flavored Markdown (GFM) alerts using blockquote syntax</b>
+<p>See {@link org.commonmark.ext.gfm.alerts.AlertsExtension}</p>
+</body>
+</html>
diff --git a/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsMarkdownRendererTest.java b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsMarkdownRendererTest.java
new file mode 100644
index 000000000..aca90e2df
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsMarkdownRendererTest.java
@@ -0,0 +1,73 @@
+package org.commonmark.ext.gfm.alerts;
+
+import org.commonmark.Extension;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
+import org.junit.jupiter.api.Test;
+
+import java.util.Set;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class AlertsMarkdownRendererTest {
+
+    private static final Set<Extension> EXTENSIONS = Set.of(AlertsExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    private static final MarkdownRenderer RENDERER = MarkdownRenderer.builder().extensions(EXTENSIONS).build();
+
+    @Test
+    public void alertRoundTrip() {
+        assertRoundTrip("> [!WARNING]\n> Be careful\n");
+    }
+
+    @Test
+    public void allStandardTypesRoundTrip() {
+        assertRoundTrip("> [!NOTE]\n> Note\n");
+        assertRoundTrip("> [!TIP]\n> Tip\n");
+        assertRoundTrip("> [!IMPORTANT]\n> Important\n");
+        assertRoundTrip("> [!WARNING]\n> Warning\n");
+        assertRoundTrip("> [!CAUTION]\n> Caution\n");
+    }
+
+    @Test
+    public void lowercaseTypeRendersAsUppercase() {
+        // Lowercase input gets normalized to uppercase type
+        String rendered = RENDERER.render(PARSER.parse("> [!note]\n> Content\n"));
+        assertThat(rendered).isEqualTo("> [!NOTE]\n> Content\n");
+    }
+
+    @Test
+    public void alertWithMultipleParagraphs() {
+        String input = "> [!NOTE]\n> First paragraph\n>\n> Second paragraph\n";
+        // MarkdownWriter always writes the prefix including trailing space
+        String expected = "> [!NOTE]\n> First paragraph\n> \n> Second paragraph\n";
+        String rendered = RENDERER.render(PARSER.parse(input));
+        assertThat(rendered).isEqualTo(expected);
+    }
+
+    @Test
+    public void customTypeRoundTrip() {
+        Extension extension = AlertsExtension.builder()
+                .addCustomType("INFO", "Information")
+                .build();
+
+        Parser parser = Parser.builder().extensions(Set.of(extension)).build();
+        MarkdownRenderer renderer = MarkdownRenderer.builder().extensions(Set.of(extension)).build();
+
+        String input = "> [!INFO]\n> Custom type\n";
+        String rendered = renderer.render(parser.parse(input));
+        assertThat(rendered).isEqualTo(input);
+    }
+
+    @Test
+    public void alertWithList() {
+        String input = "> [!NOTE]\n> Items:\n> \n> - First\n> - Second\n";
+        String rendered = RENDERER.render(PARSER.parse(input));
+        assertThat(rendered).isEqualTo(input);
+    }
+
+    private void assertRoundTrip(String input) {
+        String rendered = RENDERER.render(PARSER.parse(input));
+        assertThat(rendered).isEqualTo(input);
+    }
+}
diff --git a/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsSpecTest.java b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsSpecTest.java
new file mode 100644
index 000000000..fc77674df
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsSpecTest.java
@@ -0,0 +1,43 @@
+package org.commonmark.ext.gfm.alerts;
+
+import org.commonmark.Extension;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.testutil.RenderingTestCase;
+import org.commonmark.testutil.example.Example;
+import org.commonmark.testutil.example.ExampleReader;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.Parameter;
+import org.junit.jupiter.params.ParameterizedClass;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.net.URL;
+import java.util.List;
+import java.util.Set;
+
+@ParameterizedClass
+@MethodSource("data")
+public class AlertsSpecTest extends RenderingTestCase {
+
+    private static final Set<Extension> EXTENSIONS = Set.of(AlertsExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
+
+    @Parameter
+    Example example;
+
+    static List<Example> data() {
+        URL spec = AlertsSpecTest.class.getResource("/alerts-spec.txt");
+        return ExampleReader.readExamples(spec, "alert");
+    }
+
+    @Test
+    public void testHtmlRendering() {
+        assertRendering(example.getSource(), example.getHtml());
+    }
+
+    @Override
+    protected String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+}
\ No newline at end of file
diff --git a/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsTest.java b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsTest.java
new file mode 100644
index 000000000..c46c532fe
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsTest.java
@@ -0,0 +1,140 @@
+package org.commonmark.ext.gfm.alerts;
+
+import org.commonmark.Extension;
+import org.commonmark.node.Node;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.junit.jupiter.api.Test;
+
+import java.util.Set;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+public class AlertsTest {
+
+    private static final Set<Extension> EXTENSIONS = Set.of(AlertsExtension.create());
+    private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+
+    // Custom types
+
+    @Test
+    public void customType() {
+        Extension extension = AlertsExtension.builder()
+                .addCustomType("INFO", "Information")
+                .build();
+
+        Parser parser = Parser.builder().extensions(Set.of(extension)).build();
+        HtmlRenderer renderer = HtmlRenderer.builder().extensions(Set.of(extension)).build();
+
+        assertThat(renderer.render(parser.parse("> [!INFO]\n> Custom alert"))).isEqualTo(
+                "<div class=\"markdown-alert markdown-alert-info\" data-alert-type=\"info\">\n" +
+                "<p class=\"markdown-alert-title\">Information</p>\n" +
+                "<p>Custom alert</p>\n" +
+                "</div>\n");
+    }
+
+    @Test
+    public void multipleCustomTypes() {
+        Extension extension = AlertsExtension.builder()
+                .addCustomType("INFO", "Information")
+                .addCustomType("SUCCESS", "Success!")
+                .addCustomType("DANGER", "Danger!")
+                .build();
+
+        Parser parser = Parser.builder().extensions(Set.of(extension)).build();
+        HtmlRenderer renderer = HtmlRenderer.builder().extensions(Set.of(extension)).build();
+
+        assertThat(renderer.render(parser.parse("> [!INFO]\n> Info content\n\n> [!SUCCESS]\n> Success content\n\n> [!DANGER]\n> Danger content"))).isEqualTo(
+                "<div class=\"markdown-alert markdown-alert-info\" data-alert-type=\"info\">\n" +
+                "<p class=\"markdown-alert-title\">Information</p>\n" +
+                "<p>Info content</p>\n" +
+                "</div>\n" +
+                "<div class=\"markdown-alert markdown-alert-success\" data-alert-type=\"success\">\n" +
+                "<p class=\"markdown-alert-title\">Success!</p>\n" +
+                "<p>Success content</p>\n" +
+                "</div>\n" +
+                "<div class=\"markdown-alert markdown-alert-danger\" data-alert-type=\"danger\">\n" +
+                "<p class=\"markdown-alert-title\">Danger!</p>\n" +
+                "<p>Danger content</p>\n" +
+                "</div>\n");
+    }
+
+    @Test
+    public void standardTypesWithCustomConfigured() {
+        Extension extension = AlertsExtension.builder()
+                .addCustomType("INFO", "Information")
+                .build();
+
+        Parser parser = Parser.builder().extensions(Set.of(extension)).build();
+        HtmlRenderer renderer = HtmlRenderer.builder().extensions(Set.of(extension)).build();
+
+        assertThat(renderer.render(parser.parse("> [!NOTE]\n> Standard type"))).isEqualTo(
+                "<div class=\"markdown-alert markdown-alert-note\" data-alert-type=\"note\">\n" +
+                "<p class=\"markdown-alert-title\">Note</p>\n" +
+                "<p>Standard type</p>\n" +
+                "</div>\n");
+    }
+
+    @Test
+    public void overrideStandardTypeTitle() {
+        Extension extension = AlertsExtension.builder()
+                .addCustomType("NOTE", "Nota")
+                .build();
+
+        Parser parser = Parser.builder().extensions(Set.of(extension)).build();
+        HtmlRenderer renderer = HtmlRenderer.builder().extensions(Set.of(extension)).build();
+
+        assertThat(renderer.render(parser.parse("> [!NOTE]\n> Localized title"))).isEqualTo(
+                "<div class=\"markdown-alert markdown-alert-note\" data-alert-type=\"note\">\n" +
+                "<p class=\"markdown-alert-title\">Nota</p>\n" +
+                "<p>Localized title</p>\n" +
+                "</div>\n");
+    }
+
+    // Custom type validation
+
+    @Test
+    public void customTypeMustBeUppercase() {
+        assertThrows(IllegalArgumentException.class, () ->
+                AlertsExtension.builder().addCustomType("info", "Information").build());
+    }
+
+    @Test
+    public void customTypeMustNotBeEmpty() {
+        assertThrows(IllegalArgumentException.class, () ->
+                AlertsExtension.builder().addCustomType("", "Title").build());
+    }
+
+    @Test
+    public void customTypeTitleMustNotBeEmpty() {
+        assertThrows(IllegalArgumentException.class, () ->
+                AlertsExtension.builder().addCustomType("INFO", "").build());
+    }
+
+    // AST
+
+    @Test
+    public void alertParsedAsAlertNode() {
+        Node document = PARSER.parse("> [!NOTE]\n> This is a note");
+        Node firstChild = document.getFirstChild();
+        assertThat(firstChild).isInstanceOf(Alert.class);
+        Alert alert = (Alert) firstChild;
+        assertThat(alert.getType()).isEqualTo("NOTE");
+    }
+
+    @Test
+    public void customTypeParsedAsAlertNode() {
+        Extension extension = AlertsExtension.builder()
+                .addCustomType("INFO", "Information")
+                .build();
+
+        Parser parser = Parser.builder().extensions(Set.of(extension)).build();
+
+        Node document = parser.parse("> [!INFO]\n> Custom alert");
+        Alert alert = (Alert) document.getFirstChild();
+
+        assertThat(alert.getType()).isEqualTo("INFO");
+    }
+
+}
\ No newline at end of file
diff --git a/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/examples/AlertsExample.java b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/examples/AlertsExample.java
new file mode 100644
index 000000000..dba1628cb
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/examples/AlertsExample.java
@@ -0,0 +1,94 @@
+package org.commonmark.ext.gfm.alerts.examples;
+
+import org.commonmark.Extension;
+import org.commonmark.ext.gfm.alerts.AlertsExtension;
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+
+import java.util.List;
+
+/**
+ * Example demonstrating the use of the GFM Alerts extension.
+ */
+public class AlertsExample {
+
+    public static void main(String[] args) {
+        standardTypesExample();
+        System.out.println("\n" + "=".repeat(60) + "\n");
+        customTypesExample();
+    }
+
+    private static void standardTypesExample() {
+        System.out.println("STANDARD GFM ALERT TYPES");
+        System.out.println("=".repeat(60));
+
+        // Create the alerts extension with default settings
+        Extension extension = AlertsExtension.create();
+
+        Parser parser = Parser.builder()
+                .extensions(List.of(extension))
+                .build();
+
+        HtmlRenderer renderer = HtmlRenderer.builder()
+                .extensions(List.of(extension))
+                .build();
+
+        // Example markdown with all standard alert types
+        String markdown = "# GFM Alerts Demo\n\n" +
+                "> [!NOTE]\n" +
+                "> Highlights information that users should take into account.\n\n" +
+                "> [!TIP]\n" +
+                "> Helpful advice for doing things better.\n\n" +
+                "> [!IMPORTANT]\n" +
+                "> Key information users need to know.\n\n" +
+                "> [!WARNING]\n" +
+                "> Urgent info that needs immediate attention.\n\n" +
+                "> [!CAUTION]\n" +
+                "> Advises about risks or negative outcomes.\n";
+
+        String html = renderer.render(parser.parse(markdown));
+
+        System.out.println("Markdown Input:");
+        System.out.println(markdown);
+        System.out.println("\nHTML Output:");
+        System.out.println(html);
+    }
+
+    private static void customTypesExample() {
+        System.out.println("CUSTOM ALERT TYPES");
+        System.out.println("=".repeat(60));
+
+        // Create extension with custom types
+        Extension extension = AlertsExtension.builder()
+                .addCustomType("INFO", "Information")
+                .addCustomType("SUCCESS", "Success")
+                .addCustomType("DANGER", "Danger")
+                .build();
+
+        Parser parser = Parser.builder()
+                .extensions(List.of(extension))
+                .build();
+
+        HtmlRenderer renderer = HtmlRenderer.builder()
+                .extensions(List.of(extension))
+                .build();
+
+        // Example markdown with custom alert types
+        String markdown = "# Custom Alert Types\n\n" +
+                "> [!INFO]\n" +
+                "> This is a custom information alert.\n\n" +
+                "> [!SUCCESS]\n" +
+                "> Operation completed successfully!\n\n" +
+                "> [!DANGER]\n" +
+                "> This action is dangerous and irreversible.\n\n" +
+                "> [!NOTE]\n" +
+                "> Standard types still work alongside custom types.\n";
+
+        String html = renderer.render(parser.parse(markdown));
+
+        System.out.println("Markdown Input:");
+        System.out.println(markdown);
+        System.out.println("\nHTML Output:");
+        System.out.println(html);
+    }
+}
diff --git a/commonmark-ext-gfm-alerts/src/test/resources/alerts-spec.txt b/commonmark-ext-gfm-alerts/src/test/resources/alerts-spec.txt
new file mode 100644
index 000000000..ef2809336
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/test/resources/alerts-spec.txt
@@ -0,0 +1,492 @@
+# Alerts
+
+Expectations verified against GitHub Markdown API (gh api markdown -f mode=gfm).
+Our HTML omits GitHub's SVG icons and uses a `data-alert-type` attribute instead.
+
+## Standard types
+
+```````````````````````````````` example alert
+> [!NOTE]
+> This is a note
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>This is a note</p>
+</div>
+````````````````````````````````
+
+```````````````````````````````` example alert
+> [!TIP]
+> This is a tip
+.
+<div class="markdown-alert markdown-alert-tip" data-alert-type="tip">
+<p class="markdown-alert-title">Tip</p>
+<p>This is a tip</p>
+</div>
+````````````````````````````````
+
+```````````````````````````````` example alert
+> [!IMPORTANT]
+> This is important
+.
+<div class="markdown-alert markdown-alert-important" data-alert-type="important">
+<p class="markdown-alert-title">Important</p>
+<p>This is important</p>
+</div>
+````````````````````````````````
+
+```````````````````````````````` example alert
+> [!WARNING]
+> This is a warning
+.
+<div class="markdown-alert markdown-alert-warning" data-alert-type="warning">
+<p class="markdown-alert-title">Warning</p>
+<p>This is a warning</p>
+</div>
+````````````````````````````````
+
+```````````````````````````````` example alert
+> [!CAUTION]
+> This is a caution
+.
+<div class="markdown-alert markdown-alert-caution" data-alert-type="caution">
+<p class="markdown-alert-title">Caution</p>
+<p>This is a caution</p>
+</div>
+````````````````````````````````
+
+## Case insensitivity
+
+Alert type matching is case-insensitive.
+
+```````````````````````````````` example alert
+> [!note]
+> Content
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>Content</p>
+</div>
+````````````````````````````````
+
+```````````````````````````````` example alert
+> [!Note]
+> Content
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>Content</p>
+</div>
+````````````````````````````````
+
+## Alert content
+
+Marker alone in first paragraph, blank line, then content:
+
+```````````````````````````````` example alert
+> [!NOTE]
+>
+> Content
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>Content</p>
+</div>
+````````````````````````````````
+
+Multiple paragraphs:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> First paragraph
+>
+> Second paragraph
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>First paragraph</p>
+<p>Second paragraph</p>
+</div>
+````````````````````````````````
+
+Inline formatting:
+
+```````````````````````````````` example alert
+> [!TIP]
+> This is **bold** and *italic*
+.
+<div class="markdown-alert markdown-alert-tip" data-alert-type="tip">
+<p class="markdown-alert-title">Tip</p>
+<p>This is <strong>bold</strong> and <em>italic</em></p>
+</div>
+````````````````````````````````
+
+Code block inside alert:
+
+```````````````````````````````` example alert
+> [!TIP]
+> Code:
+>
+>     function() { }
+>
+> End
+.
+<div class="markdown-alert markdown-alert-tip" data-alert-type="tip">
+<p class="markdown-alert-title">Tip</p>
+<p>Code:</p>
+<pre><code>function() { }
+</code></pre>
+<p>End</p>
+</div>
+````````````````````````````````
+
+List inside alert:
+
+```````````````````````````````` example alert
+> [!IMPORTANT]
+> Items:
+> - First item
+> - Second item
+.
+<div class="markdown-alert markdown-alert-important" data-alert-type="important">
+<p class="markdown-alert-title">Important</p>
+<p>Items:</p>
+<ul>
+<li>First item</li>
+<li>Second item</li>
+</ul>
+</div>
+````````````````````````````````
+
+Links inside alert:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> Check out [this link](https://example.com) for more info
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>Check out <a href="https://example.com">this link</a> for more info</p>
+</div>
+````````````````````````````````
+
+Heading inside alert:
+
+```````````````````````````````` example alert
+> [!IMPORTANT]
+> ## Heading
+> Content below heading
+.
+<div class="markdown-alert markdown-alert-important" data-alert-type="important">
+<p class="markdown-alert-title">Important</p>
+<h2>Heading</h2>
+<p>Content below heading</p>
+</div>
+````````````````````````````````
+
+Empty lines in middle of alert:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> First
+>
+>
+> After empty lines
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>First</p>
+<p>After empty lines</p>
+</div>
+````````````````````````````````
+
+## Not an alert
+
+Text after marker on the same line:
+
+```````````````````````````````` example alert
+> [!NOTE] Some text
+.
+<blockquote>
+<p>[!NOTE] Some text</p>
+</blockquote>
+````````````````````````````````
+
+Unknown type:
+
+```````````````````````````````` example alert
+> [!INVALID]
+> Some text
+.
+<blockquote>
+<p>[!INVALID]
+Some text</p>
+</blockquote>
+````````````````````````````````
+
+Unconfigured custom type is not an alert:
+
+```````````````````````````````` example alert
+> [!INFO]
+> Should be blockquote
+.
+<blockquote>
+<p>[!INFO]
+Should be blockquote</p>
+</blockquote>
+````````````````````````````````
+
+Marker with no content:
+
+```````````````````````````````` example alert
+> [!NOTE]
+.
+<blockquote>
+<p>[!NOTE]</p>
+</blockquote>
+````````````````````````````````
+
+Whitespace-only content after marker:
+
+```````````````````````````````` example alert
+> [!TIP]
+>   
+>  
+.
+<blockquote>
+<p>[!TIP]</p>
+</blockquote>
+````````````````````````````````
+
+Extra space inside marker:
+
+```````````````````````````````` example alert
+> [! NOTE]
+> Should be blockquote
+.
+<blockquote>
+<p>[! NOTE]
+Should be blockquote</p>
+</blockquote>
+````````````````````````````````
+
+Missing brackets:
+
+```````````````````````````````` example alert
+> !NOTE
+> Should be blockquote
+.
+<blockquote>
+<p>!NOTE
+Should be blockquote</p>
+</blockquote>
+````````````````````````````````
+
+Missing exclamation mark:
+
+```````````````````````````````` example alert
+> [NOTE]
+> Should be blockquote
+.
+<blockquote>
+<p>[NOTE]
+Should be blockquote</p>
+</blockquote>
+````````````````````````````````
+
+Regular blockquote is not affected:
+
+```````````````````````````````` example alert
+> This is a regular blockquote
+.
+<blockquote>
+<p>This is a regular blockquote</p>
+</blockquote>
+````````````````````````````````
+
+## Boundaries
+
+Trailing spaces after marker:
+
+```````````````````````````````` example alert
+> [!NOTE]  
+> This is a note
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>This is a note</p>
+</div>
+````````````````````````````````
+
+Trailing tabs after marker:
+
+```````````````````````````````` example alert
+> [!WARNING]→→
+> Be careful
+.
+<div class="markdown-alert markdown-alert-warning" data-alert-type="warning">
+<p class="markdown-alert-title">Warning</p>
+<p>Be careful</p>
+</div>
+````````````````````````````````
+
+Leading spaces before blockquote marker:
+
+```````````````````````````````` example alert
+   > [!IMPORTANT]
+   > Content
+.
+<div class="markdown-alert markdown-alert-important" data-alert-type="important">
+<p class="markdown-alert-title">Important</p>
+<p>Content</p>
+</div>
+````````````````````````````````
+
+Blank line after marker ends the blockquote (not an alert):
+
+```````````````````````````````` example alert
+> [!NOTE]
+
+Some text
+.
+<blockquote>
+<p>[!NOTE]</p>
+</blockquote>
+<p>Some text</p>
+````````````````````````````````
+
+Alert followed by blockquote:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> This is an alert
+
+> This is a blockquote
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>This is an alert</p>
+</div>
+<blockquote>
+<p>This is a blockquote</p>
+</blockquote>
+````````````````````````````````
+
+Adjacent alerts:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> First alert
+
+> [!WARNING]
+> Second alert
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>First alert</p>
+</div>
+<div class="markdown-alert markdown-alert-warning" data-alert-type="warning">
+<p class="markdown-alert-title">Warning</p>
+<p>Second alert</p>
+</div>
+````````````````````````````````
+
+## Nesting and containers
+
+Nested alert inside alert renders as blockquote:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> This is a note
+>> [!WARNING]
+>> Nested content
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>This is a note</p>
+<blockquote>
+<p>[!WARNING]
+Nested content</p>
+</blockquote>
+</div>
+````````````````````````````````
+
+Nested blockquote inside alert:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> This is a note
+>> Nested blockquote
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>This is a note</p>
+<blockquote>
+<p>Nested blockquote</p>
+</blockquote>
+</div>
+````````````````````````````````
+
+Alert inside list item stays as blockquote:
+
+```````````````````````````````` example alert
+- > [!NOTE]
+  > Test
+.
+<ul>
+<li>
+<blockquote>
+<p>[!NOTE]
+Test</p>
+</blockquote>
+</li>
+</ul>
+````````````````````````````````
+
+Alert marker in content is treated as text:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> This is a note
+> [!WARNING]
+> This is still part of the note
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>This is a note
+[!WARNING]
+This is still part of the note</p>
+</div>
+````````````````````````````````
+
+## Continuation and interruption
+
+Lazy continuation:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> First line
+Lazy continuation
+> Continues alert
+.
+<div class="markdown-alert markdown-alert-note" data-alert-type="note">
+<p class="markdown-alert-title">Note</p>
+<p>First line
+Lazy continuation
+Continues alert</p>
+</div>
+````````````````````````````````
+
+Alert type after regular blockquote content is not an alert:
+
+```````````````````````````````` example alert
+> Regular blockquote
+> [!NOTE]
+> More text
+.
+<blockquote>
+<p>Regular blockquote
+[!NOTE]
+More text</p>
+</blockquote>
+````````````````````````````````
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index d55d1fd85..58c3ead2c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,6 +17,7 @@
         <module>commonmark</module>
         <module>commonmark-ext-autolink</module>
         <module>commonmark-ext-footnotes</module>
+        <module>commonmark-ext-gfm-alerts</module>
         <module>commonmark-ext-gfm-strikethrough</module>
         <module>commonmark-ext-gfm-tables</module>
         <module>commonmark-ext-heading-anchor</module>

From 5815c3c0b17f52b53e65465fd8ff65da8e6304fa Mon Sep 17 00:00:00 2001
From: Andy Damevin <ia3andy@gmail.com>
Date: Fri, 27 Mar 2026 17:39:20 +0100
Subject: [PATCH 431/450] Add spec generator script and match GitHub softbreak
 rendering

Add a jbang script (generate-alerts-spec.java) that generates
alerts-spec.txt from a template (alerts-spec-template.md) by rendering
each example through the GitHub Markdown API and normalizing the HTML.

Configure AlertsSpecTest with softbreak("<br>") to match GitHub's
rendering, reducing the normalizations needed in the generator.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 .../ext/gfm/alerts/AlertsSpecTest.java        |   3 +-
 .../test/resources/alerts-spec-template.md    | 280 ++++++++++++++++++
 .../src/test/resources/alerts-spec.txt        |  28 +-
 .../test/resources/generate-alerts-spec.java  | 111 +++++++
 4 files changed, 407 insertions(+), 15 deletions(-)
 create mode 100644 commonmark-ext-gfm-alerts/src/test/resources/alerts-spec-template.md
 create mode 100644 commonmark-ext-gfm-alerts/src/test/resources/generate-alerts-spec.java

diff --git a/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsSpecTest.java b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsSpecTest.java
index fc77674df..8155d8009 100644
--- a/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsSpecTest.java
+++ b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/AlertsSpecTest.java
@@ -21,7 +21,8 @@ public class AlertsSpecTest extends RenderingTestCase {
 
     private static final Set<Extension> EXTENSIONS = Set.of(AlertsExtension.create());
     private static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
-    private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).build();
+    // Use softbreak("<br>") to match GitHub's rendering for easier comparison with GitHub API output.
+    private static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).softbreak("<br>\n").build();
 
     @Parameter
     Example example;
diff --git a/commonmark-ext-gfm-alerts/src/test/resources/alerts-spec-template.md b/commonmark-ext-gfm-alerts/src/test/resources/alerts-spec-template.md
new file mode 100644
index 000000000..9c1cf117b
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/test/resources/alerts-spec-template.md
@@ -0,0 +1,280 @@
+# Alerts
+
+## Standard types
+
+```````````````````````````````` example alert
+> [!NOTE]
+> This is a note
+````````````````````````````````
+
+```````````````````````````````` example alert
+> [!TIP]
+> This is a tip
+````````````````````````````````
+
+```````````````````````````````` example alert
+> [!IMPORTANT]
+> This is important
+````````````````````````````````
+
+```````````````````````````````` example alert
+> [!WARNING]
+> This is a warning
+````````````````````````````````
+
+```````````````````````````````` example alert
+> [!CAUTION]
+> This is a caution
+````````````````````````````````
+
+## Case insensitivity
+
+Alert type matching is case-insensitive.
+
+```````````````````````````````` example alert
+> [!note]
+> Content
+````````````````````````````````
+
+```````````````````````````````` example alert
+> [!Note]
+> Content
+````````````````````````````````
+
+## Alert content
+
+Marker alone in first paragraph, blank line, then content:
+
+```````````````````````````````` example alert
+> [!NOTE]
+>
+> Content
+````````````````````````````````
+
+Multiple paragraphs:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> First paragraph
+>
+> Second paragraph
+````````````````````````````````
+
+Inline formatting:
+
+```````````````````````````````` example alert
+> [!TIP]
+> This is **bold** and *italic*
+````````````````````````````````
+
+Code block inside alert:
+
+```````````````````````````````` example alert
+> [!TIP]
+> Code:
+>
+>     function() { }
+>
+> End
+````````````````````````````````
+
+List inside alert:
+
+```````````````````````````````` example alert
+> [!IMPORTANT]
+> Items:
+> - First item
+> - Second item
+````````````````````````````````
+
+Links inside alert:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> Check out [this link](https://example.com) for more info
+````````````````````````````````
+
+Heading inside alert:
+
+```````````````````````````````` example alert
+> [!IMPORTANT]
+> ## Heading
+> Content below heading
+````````````````````````````````
+
+Empty lines in middle of alert:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> First
+>
+>
+> After empty lines
+````````````````````````````````
+
+## Not an alert
+
+Text after marker on the same line:
+
+```````````````````````````````` example alert
+> [!NOTE] Some text
+````````````````````````````````
+
+Unknown type:
+
+```````````````````````````````` example alert
+> [!INVALID]
+> Some text
+````````````````````````````````
+
+Unconfigured custom type is not an alert:
+
+```````````````````````````````` example alert
+> [!INFO]
+> Should be blockquote
+````````````````````````````````
+
+Marker with no content:
+
+```````````````````````````````` example alert
+> [!NOTE]
+````````````````````````````````
+
+Whitespace-only content after marker:
+
+```````````````````````````````` example alert
+> [!TIP]
+>   
+>  
+````````````````````````````````
+
+Extra space inside marker:
+
+```````````````````````````````` example alert
+> [! NOTE]
+> Should be blockquote
+````````````````````````````````
+
+Missing brackets:
+
+```````````````````````````````` example alert
+> !NOTE
+> Should be blockquote
+````````````````````````````````
+
+Missing exclamation mark:
+
+```````````````````````````````` example alert
+> [NOTE]
+> Should be blockquote
+````````````````````````````````
+
+Regular blockquote is not affected:
+
+```````````````````````````````` example alert
+> This is a regular blockquote
+````````````````````````````````
+
+## Boundaries
+
+Trailing spaces after marker:
+
+```````````````````````````````` example alert
+> [!NOTE]  
+> This is a note
+````````````````````````````````
+
+Trailing tabs after marker:
+
+```````````````````````````````` example alert
+> [!WARNING]→→
+> Be careful
+````````````````````````````````
+
+Leading spaces before blockquote marker:
+
+```````````````````````````````` example alert
+   > [!IMPORTANT]
+   > Content
+````````````````````````````````
+
+Blank line after marker ends the blockquote (not an alert):
+
+```````````````````````````````` example alert
+> [!NOTE]
+
+Some text
+````````````````````````````````
+
+Alert followed by blockquote:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> This is an alert
+
+> This is a blockquote
+````````````````````````````````
+
+Adjacent alerts:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> First alert
+
+> [!WARNING]
+> Second alert
+````````````````````````````````
+
+## Nesting and containers
+
+Nested alert inside alert renders as blockquote:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> This is a note
+>> [!WARNING]
+>> Nested content
+````````````````````````````````
+
+Nested blockquote inside alert:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> This is a note
+>> Nested blockquote
+````````````````````````````````
+
+Alert inside list item stays as blockquote:
+
+```````````````````````````````` example alert
+- > [!NOTE]
+  > Test
+````````````````````````````````
+
+Alert marker in content is treated as text:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> This is a note
+> [!WARNING]
+> This is still part of the note
+````````````````````````````````
+
+## Continuation and interruption
+
+Lazy continuation:
+
+```````````````````````````````` example alert
+> [!NOTE]
+> First line
+Lazy continuation
+> Continues alert
+````````````````````````````````
+
+Alert type after regular blockquote content is not an alert:
+
+```````````````````````````````` example alert
+> Regular blockquote
+> [!NOTE]
+> More text
+````````````````````````````````
\ No newline at end of file
diff --git a/commonmark-ext-gfm-alerts/src/test/resources/alerts-spec.txt b/commonmark-ext-gfm-alerts/src/test/resources/alerts-spec.txt
index ef2809336..6f041fee4 100644
--- a/commonmark-ext-gfm-alerts/src/test/resources/alerts-spec.txt
+++ b/commonmark-ext-gfm-alerts/src/test/resources/alerts-spec.txt
@@ -219,7 +219,7 @@ Unknown type:
 > Some text
 .
 <blockquote>
-<p>[!INVALID]
+<p>[!INVALID]<br>
 Some text</p>
 </blockquote>
 ````````````````````````````````
@@ -231,7 +231,7 @@ Unconfigured custom type is not an alert:
 > Should be blockquote
 .
 <blockquote>
-<p>[!INFO]
+<p>[!INFO]<br>
 Should be blockquote</p>
 </blockquote>
 ````````````````````````````````
@@ -265,7 +265,7 @@ Extra space inside marker:
 > Should be blockquote
 .
 <blockquote>
-<p>[! NOTE]
+<p>[! NOTE]<br>
 Should be blockquote</p>
 </blockquote>
 ````````````````````````````````
@@ -277,7 +277,7 @@ Missing brackets:
 > Should be blockquote
 .
 <blockquote>
-<p>!NOTE
+<p>!NOTE<br>
 Should be blockquote</p>
 </blockquote>
 ````````````````````````````````
@@ -289,7 +289,7 @@ Missing exclamation mark:
 > Should be blockquote
 .
 <blockquote>
-<p>[NOTE]
+<p>[NOTE]<br>
 Should be blockquote</p>
 </blockquote>
 ````````````````````````````````
@@ -405,7 +405,7 @@ Nested alert inside alert renders as blockquote:
 <p class="markdown-alert-title">Note</p>
 <p>This is a note</p>
 <blockquote>
-<p>[!WARNING]
+<p>[!WARNING]<br>
 Nested content</p>
 </blockquote>
 </div>
@@ -436,7 +436,7 @@ Alert inside list item stays as blockquote:
 <ul>
 <li>
 <blockquote>
-<p>[!NOTE]
+<p>[!NOTE]<br>
 Test</p>
 </blockquote>
 </li>
@@ -453,8 +453,8 @@ Alert marker in content is treated as text:
 .
 <div class="markdown-alert markdown-alert-note" data-alert-type="note">
 <p class="markdown-alert-title">Note</p>
-<p>This is a note
-[!WARNING]
+<p>This is a note<br>
+[!WARNING]<br>
 This is still part of the note</p>
 </div>
 ````````````````````````````````
@@ -471,8 +471,8 @@ Lazy continuation
 .
 <div class="markdown-alert markdown-alert-note" data-alert-type="note">
 <p class="markdown-alert-title">Note</p>
-<p>First line
-Lazy continuation
+<p>First line<br>
+Lazy continuation<br>
 Continues alert</p>
 </div>
 ````````````````````````````````
@@ -485,8 +485,8 @@ Alert type after regular blockquote content is not an alert:
 > More text
 .
 <blockquote>
-<p>Regular blockquote
-[!NOTE]
+<p>Regular blockquote<br>
+[!NOTE]<br>
 More text</p>
 </blockquote>
-````````````````````````````````
\ No newline at end of file
+````````````````````````````````
diff --git a/commonmark-ext-gfm-alerts/src/test/resources/generate-alerts-spec.java b/commonmark-ext-gfm-alerts/src/test/resources/generate-alerts-spec.java
new file mode 100644
index 000000000..06192f107
--- /dev/null
+++ b/commonmark-ext-gfm-alerts/src/test/resources/generate-alerts-spec.java
@@ -0,0 +1,111 @@
+///usr/bin/env jbang "$0" "$@" ; exit $?
+
+// Generates alerts-spec.txt from alerts-spec-template.md by rendering each example
+// through the GitHub Markdown API and inserting the normalized HTML expectation.
+//
+// Prerequisites: gh CLI installed and authenticated (gh auth login)
+// Usage: cd commonmark-ext-gfm-alerts/src/test/resources && jbang generate-alerts-spec.java
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Pattern;
+
+class GenerateAlertsSpec {
+
+    private static final String FENCE = "````````````````````````````````";
+    private static final String EXAMPLE_OPEN = FENCE + " example alert";
+
+    public static void main(String[] args) throws Exception {
+        var templatePath = Path.of("alerts-spec-template.md");
+        if (!Files.exists(templatePath)) {
+            System.err.println("Run from the directory containing alerts-spec-template.md");
+            System.exit(1);
+        }
+
+        var lines = Files.readAllLines(templatePath);
+        var output = new ArrayList<String>();
+        var header = "Expectations verified against GitHub Markdown API (gh api markdown -f mode=gfm).\n" +
+                "Our HTML omits GitHub's SVG icons and uses a `data-alert-type` attribute instead.";
+
+        int exampleCount = 0;
+        int i = 0;
+        while (i < lines.size()) {
+            var line = lines.get(i);
+
+            // Insert header after the first heading
+            if (i == 0 && line.startsWith("# ")) {
+                output.add(line);
+                output.add("");
+                output.add(header);
+                i++;
+                continue;
+            }
+
+            if (line.equals(EXAMPLE_OPEN)) {
+                // Collect source lines until closing fence
+                output.add(line);
+                i++;
+                var sourceLines = new ArrayList<String>();
+                while (i < lines.size() && !lines.get(i).equals(FENCE)) {
+                    sourceLines.add(lines.get(i));
+                    output.add(lines.get(i));
+                    i++;
+                }
+
+                // Render via GitHub API (→ represents tabs in the spec format)
+                var source = String.join("\n", sourceLines).replace("\u2192", "\t");
+                exampleCount++;
+                System.out.printf("%d: %s%n", exampleCount,
+                        source.substring(0, Math.min(40, source.length())).replace("\n", "\\n"));
+
+                var ghHtml = normalizeHtml(renderViaGh(source));
+
+                // Insert separator and HTML expectation
+                output.add(".");
+                output.add(ghHtml);
+                output.add(FENCE);
+                i++; // skip closing fence from template
+            } else {
+                output.add(line);
+                i++;
+            }
+        }
+
+        var specPath = Path.of("alerts-spec.txt");
+        Files.writeString(specPath, String.join("\n", output) + "\n");
+        System.out.println("Done — " + exampleCount + " examples written to alerts-spec.txt");
+    }
+
+    static String renderViaGh(String markdown) throws Exception {
+        var process = new ProcessBuilder("gh", "api", "markdown", "-f", "mode=gfm", "-f", "text=" + markdown)
+                .redirectErrorStream(true)
+                .start();
+        var output = new String(process.getInputStream().readAllBytes());
+        if (process.waitFor() != 0) {
+            throw new RuntimeException("gh api failed: " + output);
+        }
+        return output;
+    }
+
+    // Normalize GitHub API HTML to match our renderer output.
+    static String normalizeHtml(String html) {
+        // Strip GitHub-specific elements and attributes
+        html = Pattern.compile("<svg[^>]*>.*?</svg>", Pattern.DOTALL).matcher(html).replaceAll("");
+        html = html.replaceAll(" (dir=\"auto\"|rel=\"nofollow\"|class=\"notranslate\")", "");
+        // Add data-alert-type and insert newlines to match our renderer's formatting
+        html = Pattern.compile("class=\"markdown-alert markdown-alert-(\\w+)\"")
+                .matcher(html)
+                .replaceAll("class=\"markdown-alert markdown-alert-$1\" data-alert-type=\"$1\"");
+        html = Pattern.compile("(data-alert-type=\"\\w+\">)(<p)")
+                .matcher(html).replaceAll("$1\n$2");
+        // Our renderer outputs one tag per line (htmlWriter.line()), GitHub inlines them
+        html = html.replace("</p><p>", "</p>\n<p>");
+        return html.replace("\r\n", "\n").lines()
+                .map(String::stripTrailing)
+                .reduce((a, b) -> a + "\n" + b)
+                .orElse("")
+                .strip();
+    }
+}
\ No newline at end of file

From f3be489803f3446e610f2948fd77d4e821a5cefd Mon Sep 17 00:00:00 2001
From: Andy Damevin <ia3andy@gmail.com>
Date: Mon, 30 Mar 2026 10:55:31 +0200
Subject: [PATCH 432/450] Address review feedback: simplify PostProcessor and
 clean up code
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- Replace AbstractVisitor with direct Document child iteration (only
  top-level block quotes are alerts, no need to walk the full tree)
- Remove unnecessary isContentWhitespaceOnly method (the parser never
  produces content nodes for whitespace-only block quote continuations)
- Remove redundant markerText/literal variables, use textNode.getLiteral()
- Restructure afterMarker checks to avoid 3x instanceof repetition
- Add Locale.ROOT to toUpperCase() calls (Turkish locale safety)
- Use var throughout all main source files
- Use single get()+null check instead of containsKey()+get() in renderer
- Add proper Node import in AlertNodeRenderer, remove FQN references
- LinkedHashMap → HashMap in AlertsExtension (ordering not needed)
- Update README: fix outdated custom type docs, align examples with
  AlertsExample.java
- Add screenshots showing rendered alerts with and without icons

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 commonmark-ext-gfm-alerts/README.md           |  18 +-
 .../screenshots/alerts-with-icons.png         | Bin 0 -> 20571 bytes
 .../screenshots/alerts.png                    | Bin 0 -> 19824 bytes
 .../ext/gfm/alerts/AlertsExtension.java       |  11 +-
 .../internal/AlertHtmlNodeRenderer.java       |  15 +-
 .../internal/AlertMarkdownNodeRenderer.java   |   4 +-
 .../alerts/internal/AlertNodeRenderer.java    |   7 +-
 .../alerts/internal/AlertPostProcessor.java   | 198 ++++++------------
 .../gfm/alerts/examples/AlertsExample.java    |  41 ++--
 9 files changed, 116 insertions(+), 178 deletions(-)
 create mode 100644 commonmark-ext-gfm-alerts/screenshots/alerts-with-icons.png
 create mode 100644 commonmark-ext-gfm-alerts/screenshots/alerts.png

diff --git a/commonmark-ext-gfm-alerts/README.md b/commonmark-ext-gfm-alerts/README.md
index b70584e9b..2368812e5 100644
--- a/commonmark-ext-gfm-alerts/README.md
+++ b/commonmark-ext-gfm-alerts/README.md
@@ -19,9 +19,9 @@ Enables highlighting important information using blockquote syntax with five sta
 #### Standard GFM Types
 
 ```java
-Extension extension = AlertsExtension.create();
-Parser parser = Parser.builder().extensions(List.of(extension)).build();
-HtmlRenderer renderer = HtmlRenderer.builder().extensions(List.of(extension)).build();
+var extension = AlertsExtension.create();
+var parser = Parser.builder().extensions(List.of(extension)).build();
+var renderer = HtmlRenderer.builder().extensions(List.of(extension)).build();
 ```
 
 #### Custom Alert Types
@@ -29,12 +29,12 @@ HtmlRenderer renderer = HtmlRenderer.builder().extensions(List.of(extension)).bu
 Add custom types beyond the five standard GFM types:
 
 ```java
-Extension extension = AlertsExtension.builder()
-        .addCustomType("INFO", "Information")
+var extension = AlertsExtension.builder()
+        .addCustomType("BUG", "Known Bug")
         .build();
 ```
 
-Custom types must be UPPERCASE and cannot override standard types.
+Custom types must be UPPERCASE. Standard type titles can also be overridden for localization.
 
 #### Styling
 
@@ -63,7 +63,11 @@ Basic CSS example:
 .markdown-alert-caution { border-color: #cf222e; background-color: #ffebe9; }
 ```
 
-Icons can be added using CSS `::before` pseudo-elements with GitHub's [Octicons](https://primer.style/octicons/) (info, light-bulb, report, alert, stop icons).
+![Alerts](screenshots/alerts.png)
+
+Icons can be added using GitHub's [Octicons](https://primer.style/octicons/):
+
+![Alerts with icons](screenshots/alerts-with-icons.png)
 
 ## License
 
diff --git a/commonmark-ext-gfm-alerts/screenshots/alerts-with-icons.png b/commonmark-ext-gfm-alerts/screenshots/alerts-with-icons.png
new file mode 100644
index 0000000000000000000000000000000000000000..47da9402b557d4f1d8fac1f1d9dd7b2cf73b4b14
GIT binary patch
literal 20571
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literal 0
HcmV?d00001

diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/AlertsExtension.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/AlertsExtension.java
index 63a69f746..3990034d2 100644
--- a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/AlertsExtension.java
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/AlertsExtension.java
@@ -13,8 +13,9 @@
 import org.commonmark.renderer.markdown.MarkdownNodeRendererFactory;
 import org.commonmark.renderer.markdown.MarkdownRenderer;
 
+import java.util.HashMap;
+import java.util.Locale;
 import java.util.HashSet;
-import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Set;
 
@@ -34,7 +35,7 @@ public class AlertsExtension implements Parser.ParserExtension, HtmlRenderer.Htm
     private final Map<String, String> customTypes;
 
     private AlertsExtension(Builder builder) {
-        this.customTypes = new LinkedHashMap<>(builder.customTypes);
+        this.customTypes = new HashMap<>(builder.customTypes);
     }
 
     public static Extension create() {
@@ -47,7 +48,7 @@ public static Builder builder() {
 
     @Override
     public void extend(Parser.Builder parserBuilder) {
-        Set<String> allowedTypes = new HashSet<>(STANDARD_TYPES);
+        var allowedTypes = new HashSet<>(STANDARD_TYPES);
         allowedTypes.addAll(customTypes.keySet());
         parserBuilder.postProcessor(new AlertPostProcessor(allowedTypes));
     }
@@ -81,7 +82,7 @@ public Set<Character> getSpecialCharacters() {
      * Builder for configuring the alerts extension.
      */
     public static class Builder {
-        private final Map<String, String> customTypes = new LinkedHashMap<>();
+        private final Map<String, String> customTypes = new HashMap<>();
 
         /**
          * Adds a custom alert type with a display title.
@@ -100,7 +101,7 @@ public Builder addCustomType(String type, String title) {
             if (title == null || title.isEmpty()) {
                 throw new IllegalArgumentException("Title must not be null or empty");
             }
-            if (!type.equals(type.toUpperCase())) {
+            if (!type.equals(type.toUpperCase(Locale.ROOT))) {
                 throw new IllegalArgumentException("Type must be uppercase: " + type);
             }
             customTypes.put(type, title);
diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java
index 202c20290..763b2e217 100644
--- a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java
@@ -22,11 +22,11 @@ public AlertHtmlNodeRenderer(HtmlNodeRendererContext context, Map<String, String
 
     @Override
     protected void renderAlert(Alert alert) {
-        String type = alert.getType();
-        String cssClass = type.toLowerCase();
+        var type = alert.getType();
+        var cssClass = type.toLowerCase();
 
         htmlWriter.line();
-        Map<String, String> attributes = new LinkedHashMap<>();
+        var attributes = new LinkedHashMap<String, String>();
         attributes.put("class", "markdown-alert markdown-alert-" + cssClass);
         attributes.put("data-alert-type", cssClass);
 
@@ -47,8 +47,9 @@ protected void renderAlert(Alert alert) {
     }
 
     private String getAlertTitle(String type) {
-        if (customTypeTitles.containsKey(type)) {
-            return customTypeTitles.get(type);
+        var customTypeTitle = customTypeTitles.get(type);
+        if (customTypeTitle != null) {
+            return customTypeTitle;
         }
         switch (type) {
             case "NOTE":
@@ -67,9 +68,9 @@ private String getAlertTitle(String type) {
     }
 
     private void renderChildren(Node parent) {
-        Node node = parent.getFirstChild();
+        var node = parent.getFirstChild();
         while (node != null) {
-            Node next = node.getNext();
+            var next = node.getNext();
             context.render(node);
             node = next;
         }
diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertMarkdownNodeRenderer.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertMarkdownNodeRenderer.java
index edc988c94..e3da62aea 100644
--- a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertMarkdownNodeRenderer.java
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertMarkdownNodeRenderer.java
@@ -28,9 +28,9 @@ protected void renderAlert(Alert alert) {
     }
 
     private void renderChildren(Node parent) {
-        Node node = parent.getFirstChild();
+        var node = parent.getFirstChild();
         while (node != null) {
-            Node next = node.getNext();
+            var next = node.getNext();
             context.render(node);
             node = next;
         }
diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertNodeRenderer.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertNodeRenderer.java
index dcb1a25eb..45b34bb46 100644
--- a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertNodeRenderer.java
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertNodeRenderer.java
@@ -1,6 +1,7 @@
 package org.commonmark.ext.gfm.alerts.internal;
 
 import org.commonmark.ext.gfm.alerts.Alert;
+import org.commonmark.node.Node;
 import org.commonmark.renderer.NodeRenderer;
 
 import java.util.Set;
@@ -8,13 +9,13 @@
 public abstract class AlertNodeRenderer implements NodeRenderer {
 
     @Override
-    public Set<Class<? extends org.commonmark.node.Node>> getNodeTypes() {
+    public Set<Class<? extends Node>> getNodeTypes() {
         return Set.of(Alert.class);
     }
 
     @Override
-    public void render(org.commonmark.node.Node node) {
-        Alert alert = (Alert) node;
+    public void render(Node node) {
+        var alert = (Alert) node;
         renderAlert(alert);
     }
 
diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java
index 0d02c3527..b524adc05 100644
--- a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java
@@ -1,16 +1,21 @@
 package org.commonmark.ext.gfm.alerts.internal;
 
 import org.commonmark.ext.gfm.alerts.Alert;
-import org.commonmark.node.*;
+import org.commonmark.node.BlockQuote;
+import org.commonmark.node.HardLineBreak;
+import org.commonmark.node.Node;
+import org.commonmark.node.Paragraph;
+import org.commonmark.node.SoftLineBreak;
+import org.commonmark.node.Text;
 import org.commonmark.parser.PostProcessor;
 
+import java.util.Locale;
 import java.util.Set;
-import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 public class AlertPostProcessor implements PostProcessor {
 
-    // Case-insensitive matching for alert type (GitHub supports any case)
+    // Alert type marker, matching any case (GitHub supports lowercase, mixed, and uppercase)
     private static final Pattern ALERT_PATTERN = Pattern.compile("^\\[!([a-zA-Z]+)]\\s*$");
 
     private final Set<String> allowedTypes;
@@ -21,150 +26,85 @@ public AlertPostProcessor(Set<String> allowedTypes) {
 
     @Override
     public Node process(Node document) {
-        AlertVisitor visitor = new AlertVisitor(allowedTypes);
-        document.accept(visitor);
+        // Only look at direct children of Document — GitHub only detects alerts at the top level.
+        var child = document.getFirstChild();
+        while (child != null) {
+            var next = child.getNext();
+            if (child instanceof BlockQuote) {
+                tryConvertToAlert((BlockQuote) child);
+            }
+            child = next;
+        }
         return document;
     }
 
-    private static class AlertVisitor extends AbstractVisitor {
-
-        private final Set<String> allowedTypes;
-
-        AlertVisitor(Set<String> allowedTypes) {
-            this.allowedTypes = allowedTypes;
+    private void tryConvertToAlert(BlockQuote blockQuote) {
+        var firstChild = blockQuote.getFirstChild();
+        if (!(firstChild instanceof Paragraph)) {
+            return;
         }
 
-        @Override
-        public void visit(BlockQuote blockQuote) {
-            // Only convert top-level block quotes (direct children of Document).
-            // This matches GitHub's behavior where alerts are only detected at the document level.
-            if (blockQuote.getParent() instanceof Document) {
-                if (tryConvertToAlert(blockQuote)) {
-                    return;
-                }
-            }
-            visitChildren(blockQuote);
+        var paragraph = (Paragraph) firstChild;
+        var firstInline = paragraph.getFirstChild();
+        if (!(firstInline instanceof Text)) {
+            return;
         }
 
-        private boolean tryConvertToAlert(BlockQuote blockQuote) {
-            Node firstChild = blockQuote.getFirstChild();
-            if (!(firstChild instanceof Paragraph)) {
-                return false;
-            }
-
-            Paragraph paragraph = (Paragraph) firstChild;
-            Node firstInline = paragraph.getFirstChild();
-            if (!(firstInline instanceof Text)) {
-                return false;
-            }
+        var textNode = (Text) firstInline;
 
-            Text textNode = (Text) firstInline;
-            String literal = textNode.getLiteral();
-
-            // The alert marker can be the entire text node content, or just the first line
-            // before a line break. We need to check both cases.
-            // Trailing spaces on the marker line create a HardLineBreak instead of SoftLineBreak.
-            String markerText;
-            Node afterMarker = firstInline.getNext();
-            if (afterMarker instanceof SoftLineBreak || afterMarker instanceof HardLineBreak || afterMarker == null) {
-                markerText = literal;
-            } else {
-                // Text followed by something other than a line break on same line - not an alert
-                return false;
-            }
-
-            Matcher matcher = ALERT_PATTERN.matcher(markerText);
-            if (!matcher.matches()) {
-                return false;
-            }
-
-            String type = matcher.group(1).toUpperCase();
-            if (!allowedTypes.contains(type)) {
-                return false;
-            }
+        // The alert marker can be the entire text node content, or just the first line
+        // before a line break (trailing spaces create a HardLineBreak instead of SoftLineBreak).
+        var afterMarker = firstInline.getNext();
+        if (afterMarker != null && !(afterMarker instanceof SoftLineBreak) && !(afterMarker instanceof HardLineBreak)) {
+            // Text followed by something other than a line break - not an alert
+            return;
+        }
 
-            // Must have content after the marker line. An alert with ONLY the marker
-            // and no content is a normal blockquote on GitHub.
-            boolean hasContentAfterMarker;
-            if (afterMarker instanceof SoftLineBreak || afterMarker instanceof HardLineBreak) {
-                // There's a line break after marker - check if there's content after it
-                hasContentAfterMarker = afterMarker.getNext() != null || paragraph.getNext() != null;
-            } else {
-                // Marker is the only thing in this text node
-                hasContentAfterMarker = paragraph.getNext() != null;
-            }
+        var matcher = ALERT_PATTERN.matcher(textNode.getLiteral());
+        if (!matcher.matches()) {
+            return;
+        }
 
-            if (!hasContentAfterMarker) {
-                return false;
-            }
+        var type = matcher.group(1).toUpperCase(Locale.ROOT);
+        if (!allowedTypes.contains(type)) {
+            return;
+        }
 
-            // Check if the content after the marker is only whitespace
-            if (isContentWhitespaceOnly(paragraph, firstInline)) {
-                return false;
+        // Must have content after the marker line. An alert with ONLY the marker
+        // and no content is a normal blockquote on GitHub.
+        if (afterMarker != null) {
+            // There's a line break after marker - check if there's content after it
+            if (afterMarker.getNext() == null && paragraph.getNext() == null) {
+                return;
             }
-
-            // Valid alert. Create Alert node and transfer children.
-            Alert alert = new Alert(type);
-
-            blockQuote.insertAfter(alert);
-
-            // Remove the marker text and line break from the first paragraph
-            if (afterMarker instanceof SoftLineBreak || afterMarker instanceof HardLineBreak) {
-                afterMarker.unlink();
+            afterMarker.unlink();
+        } else {
+            // Marker is the only thing in the paragraph
+            if (paragraph.getNext() == null) {
+                return;
             }
-            firstInline.unlink();
+        }
 
-            // If paragraph is now empty, remove it
-            if (paragraph.getFirstChild() == null) {
-                paragraph.unlink();
-            }
+        // Valid alert. Create Alert node and transfer children.
+        var alert = new Alert(type);
+        blockQuote.insertAfter(alert);
 
-            // Move remaining children from blockquote to alert
-            Node child = blockQuote.getFirstChild();
-            while (child != null) {
-                Node next = child.getNext();
-                alert.appendChild(child);
-                child = next;
-            }
+        // Remove the marker text from the first paragraph
+        firstInline.unlink();
 
-            blockQuote.unlink();
-            return true;
+        // If paragraph is now empty, remove it
+        if (paragraph.getFirstChild() == null) {
+            paragraph.unlink();
         }
 
-        private boolean isContentWhitespaceOnly(Paragraph firstParagraph, Node markerNode) {
-            // Check inline nodes after the marker in the first paragraph
-            Node next = markerNode.getNext();
-            while (next != null) {
-                if (next instanceof Text) {
-                    if (!((Text) next).getLiteral().trim().isEmpty()) {
-                        return false;
-                    }
-                } else if (!(next instanceof SoftLineBreak) && !(next instanceof HardLineBreak)) {
-                    return false;
-                }
-                next = next.getNext();
-            }
-
-            // Check block-level siblings after the first paragraph
-            Node block = firstParagraph.getNext();
-            while (block != null) {
-                if (block instanceof Paragraph) {
-                    Node child = block.getFirstChild();
-                    while (child != null) {
-                        if (child instanceof Text && !((Text) child).getLiteral().trim().isEmpty()) {
-                            return false;
-                        } else if (!(child instanceof Text) && !(child instanceof SoftLineBreak) && !(child instanceof HardLineBreak)) {
-                            return false;
-                        }
-                        child = child.getNext();
-                    }
-                } else {
-                    return false;
-                }
-                block = block.getNext();
-            }
-
-            return true;
+        // Move remaining children from blockquote to alert
+        var child = blockQuote.getFirstChild();
+        while (child != null) {
+            var next = child.getNext();
+            alert.appendChild(child);
+            child = next;
         }
+
+        blockQuote.unlink();
     }
 }
diff --git a/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/examples/AlertsExample.java b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/examples/AlertsExample.java
index dba1628cb..34b78385c 100644
--- a/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/examples/AlertsExample.java
+++ b/commonmark-ext-gfm-alerts/src/test/java/org/commonmark/ext/gfm/alerts/examples/AlertsExample.java
@@ -1,6 +1,5 @@
 package org.commonmark.ext.gfm.alerts.examples;
 
-import org.commonmark.Extension;
 import org.commonmark.ext.gfm.alerts.AlertsExtension;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
@@ -22,19 +21,17 @@ private static void standardTypesExample() {
         System.out.println("STANDARD GFM ALERT TYPES");
         System.out.println("=".repeat(60));
 
-        // Create the alerts extension with default settings
-        Extension extension = AlertsExtension.create();
+        var extension = AlertsExtension.create();
 
-        Parser parser = Parser.builder()
+        var parser = Parser.builder()
                 .extensions(List.of(extension))
                 .build();
 
-        HtmlRenderer renderer = HtmlRenderer.builder()
+        var renderer = HtmlRenderer.builder()
                 .extensions(List.of(extension))
                 .build();
 
-        // Example markdown with all standard alert types
-        String markdown = "# GFM Alerts Demo\n\n" +
+        var markdown = "# GFM Alerts Demo\n\n" +
                 "> [!NOTE]\n" +
                 "> Highlights information that users should take into account.\n\n" +
                 "> [!TIP]\n" +
@@ -46,7 +43,7 @@ private static void standardTypesExample() {
                 "> [!CAUTION]\n" +
                 "> Advises about risks or negative outcomes.\n";
 
-        String html = renderer.render(parser.parse(markdown));
+        var html = renderer.render(parser.parse(markdown));
 
         System.out.println("Markdown Input:");
         System.out.println(markdown);
@@ -58,33 +55,27 @@ private static void customTypesExample() {
         System.out.println("CUSTOM ALERT TYPES");
         System.out.println("=".repeat(60));
 
-        // Create extension with custom types
-        Extension extension = AlertsExtension.builder()
-                .addCustomType("INFO", "Information")
-                .addCustomType("SUCCESS", "Success")
-                .addCustomType("DANGER", "Danger")
+        var extension = AlertsExtension.builder()
+                .addCustomType("BUG", "Known Bug")
                 .build();
 
-        Parser parser = Parser.builder()
+        var parser = Parser.builder()
                 .extensions(List.of(extension))
                 .build();
 
-        HtmlRenderer renderer = HtmlRenderer.builder()
+        var renderer = HtmlRenderer.builder()
                 .extensions(List.of(extension))
                 .build();
 
-        // Example markdown with custom alert types
-        String markdown = "# Custom Alert Types\n\n" +
-                "> [!INFO]\n" +
-                "> This is a custom information alert.\n\n" +
-                "> [!SUCCESS]\n" +
-                "> Operation completed successfully!\n\n" +
-                "> [!DANGER]\n" +
-                "> This action is dangerous and irreversible.\n\n" +
+        var markdown = "# Custom Alert Types\n\n" +
                 "> [!NOTE]\n" +
-                "> Standard types still work alongside custom types.\n";
+                "> Useful information that users should know.\n\n" +
+                "> [!TIP]\n" +
+                "> Helpful advice for doing things better.\n\n" +
+                "> [!BUG]\n" +
+                "> This feature has a known issue with large files (see #42).\n";
 
-        String html = renderer.render(parser.parse(markdown));
+        var html = renderer.render(parser.parse(markdown));
 
         System.out.println("Markdown Input:");
         System.out.println(markdown);

From f8f7684fb67d92d679ff87da4a32e89c4588fdd3 Mon Sep 17 00:00:00 2001
From: Spirit Wolf <spirit@canva.com>
Date: Mon, 30 Mar 2026 19:24:09 +1100
Subject: [PATCH 433/450] add node depth limit

---
 .../org/commonmark/node/AbstractVisitor.java  | 23 ++++++-
 .../commonmark/test/AbstractVisitorTest.java  | 64 +++++++++++++++++++
 2 files changed, 86 insertions(+), 1 deletion(-)

diff --git a/commonmark/src/main/java/org/commonmark/node/AbstractVisitor.java b/commonmark/src/main/java/org/commonmark/node/AbstractVisitor.java
index 7edd635d7..b7389ceb9 100644
--- a/commonmark/src/main/java/org/commonmark/node/AbstractVisitor.java
+++ b/commonmark/src/main/java/org/commonmark/node/AbstractVisitor.java
@@ -7,6 +7,19 @@
  * call {@link #visitChildren}.
  */
 public abstract class AbstractVisitor implements Visitor {
+    private final int maxDepth;
+    private int currentDepth;
+
+    public AbstractVisitor() {
+        this(Integer.MAX_VALUE);
+    }
+
+    protected AbstractVisitor(int maxDepth) {
+        if (maxDepth < 0) {
+            throw new IllegalArgumentException("maxDepth must be >= 0");
+        }
+        this.maxDepth = maxDepth;
+    }
 
     @Override
     public void visit(BlockQuote blockQuote) {
@@ -129,12 +142,20 @@ public void visit(CustomNode customNode) {
      * @param parent the parent node whose children should be visited
      */
     protected void visitChildren(Node parent) {
+        if (currentDepth >= maxDepth) {
+            return;
+        }
         Node node = parent.getFirstChild();
         while (node != null) {
             // A subclass of this visitor might modify the node, resulting in getNext returning a different node or no
             // node after visiting it. So get the next node before visiting.
             Node next = node.getNext();
-            node.accept(this);
+            currentDepth++;
+            try {
+                node.accept(this);
+            } finally {
+                currentDepth--;
+            }
             node = next;
         }
     }
diff --git a/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java b/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java
index edb6936f4..554f9c25e 100644
--- a/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java
@@ -3,9 +3,38 @@
 import org.commonmark.node.*;
 import org.junit.jupiter.api.Test;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 public class AbstractVisitorTest {
+    @Test
+    public void maxDepthMustBeZeroOrGreater() {
+        assertThatThrownBy(() -> new RecordingVisitor(-1))
+                .isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    public void maxDepthZeroVisitsOnlyRoot() {
+        var paragraph = paragraphTree();
+        var visitor = new RecordingVisitor(0);
+
+        paragraph.accept(visitor);
+
+        assertThat(visitor.visited).containsExactly("paragraph");
+    }
+
+    @Test
+    public void maxDepthOneVisitsDirectChildrenButNotGrandchildren() {
+        var paragraph = paragraphTree();
+        var visitor = new RecordingVisitor(1);
+
+        paragraph.accept(visitor);
+
+        assertThat(visitor.visited).containsExactly("paragraph", "emphasis", "text:tail");
+    }
 
     @Test
     public void replacingNodeInVisitorShouldNotDestroyVisitOrder() {
@@ -34,4 +63,39 @@ private static void assertCode(String expectedLiteral, Node node) {
         Code code = (Code) node;
         assertThat(code.getLiteral()).isEqualTo(expectedLiteral);
     }
+
+    private static Paragraph paragraphTree() {
+        var paragraph = new Paragraph();
+        var emphasis = new Emphasis();
+        emphasis.appendChild(new Text("nested"));
+        paragraph.appendChild(emphasis);
+        paragraph.appendChild(new Text("tail"));
+        return paragraph;
+    }
+
+    private static final class RecordingVisitor extends AbstractVisitor {
+        private final List<String> visited = new ArrayList<>();
+
+        private RecordingVisitor(int maxDepth) {
+            super(maxDepth);
+        }
+
+        @Override
+        public void visit(Paragraph paragraph) {
+            visited.add("paragraph");
+            super.visit(paragraph);
+        }
+
+        @Override
+        public void visit(Emphasis emphasis) {
+            visited.add("emphasis");
+            super.visit(emphasis);
+        }
+
+        @Override
+        public void visit(Text text) {
+            visited.add("text:" + text.getLiteral());
+            super.visit(text);
+        }
+    }
 }

From 50d2c368f8f4225da809697f371c7c4ea9ee05c2 Mon Sep 17 00:00:00 2001
From: Spirit Wolf <spirit@canva.com>
Date: Mon, 30 Mar 2026 21:21:55 +1100
Subject: [PATCH 434/450] abort deep nodes early

---
 .../commonmark/internal/DocumentParser.java   |   8 +-
 .../java/org/commonmark/parser/Parser.java    |  26 ++++-
 .../java/org/commonmark/test/ParserTest.java  | 102 ++++++++++++++++++
 3 files changed, 134 insertions(+), 2 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index d935f8d27..2b9db45cc 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -76,6 +76,7 @@ public class DocumentParser implements ParserState {
     private final List<LinkProcessor> linkProcessors;
     private final Set<Character> linkMarkers;
     private final IncludeSourceSpans includeSourceSpans;
+    private final int maxOpenBlockParsers;
     private final DocumentBlockParser documentBlockParser;
     private final Definitions definitions = new Definitions();
 
@@ -84,7 +85,8 @@ public class DocumentParser implements ParserState {
 
     public DocumentParser(List<BlockParserFactory> blockParserFactories, InlineParserFactory inlineParserFactory,
                           List<InlineContentParserFactory> inlineContentParserFactories, List<DelimiterProcessor> delimiterProcessors,
-                          List<LinkProcessor> linkProcessors, Set<Character> linkMarkers, IncludeSourceSpans includeSourceSpans) {
+                          List<LinkProcessor> linkProcessors, Set<Character> linkMarkers,
+                          IncludeSourceSpans includeSourceSpans, int maxOpenBlockParsers) {
         this.blockParserFactories = blockParserFactories;
         this.inlineParserFactory = inlineParserFactory;
         this.inlineContentParserFactories = inlineContentParserFactories;
@@ -92,6 +94,7 @@ public DocumentParser(List<BlockParserFactory> blockParserFactories, InlineParse
         this.linkProcessors = linkProcessors;
         this.linkMarkers = linkMarkers;
         this.includeSourceSpans = includeSourceSpans;
+        this.maxOpenBlockParsers = maxOpenBlockParsers;
 
         this.documentBlockParser = new DocumentBlockParser();
         activateBlockParser(new OpenBlockParser(documentBlockParser, 0));
@@ -461,6 +464,9 @@ private void addSourceSpans() {
     }
 
     private BlockStartImpl findBlockStart(BlockParser blockParser) {
+        if (openBlockParsers.size() - 1 >= maxOpenBlockParsers) {
+            return null;
+        }
         MatchedBlockParser matchedBlockParser = new MatchedBlockParserImpl(blockParser);
         for (BlockParserFactory blockParserFactory : blockParserFactories) {
             BlockStart result = blockParserFactory.tryStart(this, matchedBlockParser);
diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index b98d0581f..9e90e906b 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -37,6 +37,7 @@ public class Parser {
     private final InlineParserFactory inlineParserFactory;
     private final List<PostProcessor> postProcessors;
     private final IncludeSourceSpans includeSourceSpans;
+    private final int maxOpenBlockParsers;
 
     private Parser(Builder builder) {
         this.blockParserFactories = DocumentParser.calculateBlockParserFactories(builder.blockParserFactories, builder.enabledBlockTypes);
@@ -47,6 +48,7 @@ private Parser(Builder builder) {
         this.linkProcessors = builder.linkProcessors;
         this.linkMarkers = builder.linkMarkers;
         this.includeSourceSpans = builder.includeSourceSpans;
+        this.maxOpenBlockParsers = builder.maxOpenBlockParsers;
 
         // Try to construct an inline parser. Invalid configuration might result in an exception, which we want to
         // detect as soon as possible.
@@ -106,7 +108,7 @@ public Node parseReader(Reader input) throws IOException {
 
     private DocumentParser createDocumentParser() {
         return new DocumentParser(blockParserFactories, inlineParserFactory, inlineContentParserFactories,
-                delimiterProcessors, linkProcessors, linkMarkers, includeSourceSpans);
+                delimiterProcessors, linkProcessors, linkMarkers, includeSourceSpans, maxOpenBlockParsers);
     }
 
     private Node postProcess(Node document) {
@@ -129,6 +131,7 @@ public static class Builder {
         private Set<Class<? extends Block>> enabledBlockTypes = DocumentParser.getDefaultBlockParserTypes();
         private InlineParserFactory inlineParserFactory;
         private IncludeSourceSpans includeSourceSpans = IncludeSourceSpans.NONE;
+        private int maxOpenBlockParsers = Integer.MAX_VALUE;
 
         /**
          * @return the configured {@link Parser}
@@ -200,6 +203,27 @@ public Builder includeSourceSpans(IncludeSourceSpans includeSourceSpans) {
             return this;
         }
 
+        /**
+         * Limit how many non-document block parsers may be open at once while parsing.
+         * <p>
+         * Once the limit is reached, additional block starts are treated as plain text instead of
+         * creating deeper nested block structure.
+         * <p>
+         * The document root parser is not counted. The default is unlimited, so callers that keep
+         * using {@code Parser.builder().build()} preserve current behavior.
+         *
+         * @param maxOpenBlockParsers maximum number of open non-document block parsers, must be
+         *     zero or greater
+         * @return {@code this}
+         */
+        public Builder maxOpenBlockParsers(int maxOpenBlockParsers) {
+            if (maxOpenBlockParsers < 0) {
+                throw new IllegalArgumentException("maxOpenBlockParsers must be >= 0");
+            }
+            this.maxOpenBlockParsers = maxOpenBlockParsers;
+            return this;
+        }
+
         /**
          * Add a custom block parser factory.
          * <p>
diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index c119b5e2d..6164759ec 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -4,6 +4,7 @@
 import org.commonmark.parser.*;
 import org.commonmark.parser.block.*;
 import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.renderer.text.TextContentRenderer;
 import org.commonmark.testutil.TestResources;
 import org.junit.jupiter.api.Test;
 
@@ -135,6 +136,76 @@ public void threading() throws Exception {
         }
     }
 
+    @Test
+    public void maxOpenBlockParsersMustBeZeroOrGreater() {
+        assertThatThrownBy(() ->
+                Parser.builder().maxOpenBlockParsers(-1)).isInstanceOf(IllegalArgumentException.class);
+    }
+
+    @Test
+    public void maxOpenBlockParsersIsOptIn() {
+        var parser = Parser.builder().build();
+
+        var document = parser.parse(alternatingNestedList(9));
+
+        assertThat(renderText(deepestStructuredParagraph(document, 9))).isEqualTo("level9");
+    }
+
+    @Test
+    public void maxOpenBlockParsersPreservesSevenLogicalListLevelsAtSeventeenBlocks() {
+        var parser = Parser.builder().maxOpenBlockParsers(17).build();
+
+        var document = parser.parse(alternatingNestedList(7));
+
+        assertThat(renderText(deepestStructuredParagraph(document, 7))).isEqualTo("level7");
+    }
+
+    @Test
+    public void maxOpenBlockParsersPreservesEightLogicalListLevelsAtSeventeenBlocks() {
+        var parser = Parser.builder().maxOpenBlockParsers(17).build();
+
+        var document = parser.parse(alternatingNestedList(8));
+
+        assertThat(renderText(deepestStructuredParagraph(document, 8))).isEqualTo("level8");
+    }
+
+    @Test
+    public void maxOpenBlockParsersDegradesTheNinthLogicalListLevelToPlainText() {
+        var parser = Parser.builder().maxOpenBlockParsers(17).build();
+
+        var document = parser.parse(alternatingNestedList(9));
+        var deepestParagraph = deepestStructuredParagraph(document, 8);
+
+        assertThat(renderText(deepestParagraph)).isEqualTo("level8\n- level9");
+        assertThat(deepestParagraph.getNext()).isNull();
+    }
+
+    @Test
+    public void maxOpenBlockParsersAlsoLimitsMixedListAndBlockQuoteNesting() {
+        var parser = Parser.builder().maxOpenBlockParsers(5).build();
+
+        var document = parser.parse(String.join("\n",
+                "- level1",
+                "  > level2",
+                "  > > level3",
+                "  > > > level4"));
+
+        var listBlock = document.getFirstChild();
+        assertThat(listBlock).isInstanceOf(BulletList.class);
+
+        var listItem = listBlock.getFirstChild();
+        var blockQuote1 = listItem.getLastChild();
+        assertThat(blockQuote1).isInstanceOf(BlockQuote.class);
+
+        var blockQuote2 = blockQuote1.getLastChild();
+        assertThat(blockQuote2).isInstanceOf(BlockQuote.class);
+
+        var deepestParagraph = blockQuote2.getLastChild();
+        assertThat(deepestParagraph).isInstanceOf(Paragraph.class);
+        assertThat(renderText(deepestParagraph)).isEqualTo("level3\n> level4");
+        assertThat(deepestParagraph.getNext()).isNull();
+    }
+
     private String firstText(Node n) {
         while (!(n instanceof Text)) {
             assertThat(n).isNotNull();
@@ -142,4 +213,35 @@ private String firstText(Node n) {
         }
         return ((Text) n).getLiteral();
     }
+
+    private Paragraph deepestStructuredParagraph(Node document, int levels) {
+        Node node = document.getFirstChild();
+        for (int level = 1; level <= levels; level++) {
+            assertThat(node).isInstanceOf(ListBlock.class);
+            var listItem = node.getFirstChild();
+            assertThat(listItem).isNotNull();
+            if (level == levels) {
+                assertThat(listItem.getFirstChild()).isInstanceOf(Paragraph.class);
+                return (Paragraph) listItem.getFirstChild();
+            }
+            node = listItem.getLastChild();
+        }
+        throw new AssertionError("unreachable");
+    }
+
+    private String renderText(Node node) {
+        return TextContentRenderer.builder().build().render(node).trim();
+    }
+
+    private String alternatingNestedList(int levels) {
+        int indent = 0;
+        var lines = new ArrayList<String>();
+        for (int level = 1; level <= levels; level++) {
+            var ordered = level % 2 == 0;
+            var marker = ordered ? "1. " : "- ";
+            lines.add(" ".repeat(indent) + marker + "level" + level);
+            indent += marker.length();
+        }
+        return String.join("\n", lines);
+    }
 }

From 7e39836541e97eec661dd2e331b19b45082cbc19 Mon Sep 17 00:00:00 2001
From: Spirit Wolf <spirit@canva.com>
Date: Mon, 30 Mar 2026 21:23:25 +1100
Subject: [PATCH 435/450] Apply suggestion from @spirit-at-canva

---
 .../src/main/java/org/commonmark/internal/DocumentParser.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
index 2b9db45cc..07d97296b 100644
--- a/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
+++ b/commonmark/src/main/java/org/commonmark/internal/DocumentParser.java
@@ -464,7 +464,7 @@ private void addSourceSpans() {
     }
 
     private BlockStartImpl findBlockStart(BlockParser blockParser) {
-        if (openBlockParsers.size() - 1 >= maxOpenBlockParsers) {
+        if (openBlockParsers.size() > maxOpenBlockParsers) {
             return null;
         }
         MatchedBlockParser matchedBlockParser = new MatchedBlockParserImpl(blockParser);

From 7a9558b095574202647fb2e7cb061dfbe082e396 Mon Sep 17 00:00:00 2001
From: Spirit Wolf <spirit@canva.com>
Date: Mon, 30 Mar 2026 21:25:11 +1100
Subject: [PATCH 436/450] Apply suggestion from @spirit-at-canva

---
 commonmark/src/main/java/org/commonmark/parser/Parser.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index 9e90e906b..dc4decf28 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -210,7 +210,7 @@ public Builder includeSourceSpans(IncludeSourceSpans includeSourceSpans) {
          * creating deeper nested block structure.
          * <p>
          * The document root parser is not counted. The default is unlimited, so callers that keep
-         * using {@code Parser.builder().build()} preserve current behavior.
+         * using {@code Parser.builder().build()} preserve behavior.
          *
          * @param maxOpenBlockParsers maximum number of open non-document block parsers, must be
          *     zero or greater

From 0c026d5b0062c4edf71d592dce67796c89628ed1 Mon Sep 17 00:00:00 2001
From: Spirit Wolf <spirit@canva.com>
Date: Tue, 31 Mar 2026 12:59:26 +1100
Subject: [PATCH 437/450] remove changes to visitor

---
 .../org/commonmark/node/AbstractVisitor.java  |  23 +---
 .../commonmark/test/AbstractVisitorTest.java  |  64 -----------
 .../java/org/commonmark/test/ParserTest.java  | 105 ++++++++++++++++++
 3 files changed, 106 insertions(+), 86 deletions(-)

diff --git a/commonmark/src/main/java/org/commonmark/node/AbstractVisitor.java b/commonmark/src/main/java/org/commonmark/node/AbstractVisitor.java
index b7389ceb9..7edd635d7 100644
--- a/commonmark/src/main/java/org/commonmark/node/AbstractVisitor.java
+++ b/commonmark/src/main/java/org/commonmark/node/AbstractVisitor.java
@@ -7,19 +7,6 @@
  * call {@link #visitChildren}.
  */
 public abstract class AbstractVisitor implements Visitor {
-    private final int maxDepth;
-    private int currentDepth;
-
-    public AbstractVisitor() {
-        this(Integer.MAX_VALUE);
-    }
-
-    protected AbstractVisitor(int maxDepth) {
-        if (maxDepth < 0) {
-            throw new IllegalArgumentException("maxDepth must be >= 0");
-        }
-        this.maxDepth = maxDepth;
-    }
 
     @Override
     public void visit(BlockQuote blockQuote) {
@@ -142,20 +129,12 @@ public void visit(CustomNode customNode) {
      * @param parent the parent node whose children should be visited
      */
     protected void visitChildren(Node parent) {
-        if (currentDepth >= maxDepth) {
-            return;
-        }
         Node node = parent.getFirstChild();
         while (node != null) {
             // A subclass of this visitor might modify the node, resulting in getNext returning a different node or no
             // node after visiting it. So get the next node before visiting.
             Node next = node.getNext();
-            currentDepth++;
-            try {
-                node.accept(this);
-            } finally {
-                currentDepth--;
-            }
+            node.accept(this);
             node = next;
         }
     }
diff --git a/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java b/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java
index 554f9c25e..edb6936f4 100644
--- a/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/AbstractVisitorTest.java
@@ -3,38 +3,9 @@
 import org.commonmark.node.*;
 import org.junit.jupiter.api.Test;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 public class AbstractVisitorTest {
-    @Test
-    public void maxDepthMustBeZeroOrGreater() {
-        assertThatThrownBy(() -> new RecordingVisitor(-1))
-                .isInstanceOf(IllegalArgumentException.class);
-    }
-
-    @Test
-    public void maxDepthZeroVisitsOnlyRoot() {
-        var paragraph = paragraphTree();
-        var visitor = new RecordingVisitor(0);
-
-        paragraph.accept(visitor);
-
-        assertThat(visitor.visited).containsExactly("paragraph");
-    }
-
-    @Test
-    public void maxDepthOneVisitsDirectChildrenButNotGrandchildren() {
-        var paragraph = paragraphTree();
-        var visitor = new RecordingVisitor(1);
-
-        paragraph.accept(visitor);
-
-        assertThat(visitor.visited).containsExactly("paragraph", "emphasis", "text:tail");
-    }
 
     @Test
     public void replacingNodeInVisitorShouldNotDestroyVisitOrder() {
@@ -63,39 +34,4 @@ private static void assertCode(String expectedLiteral, Node node) {
         Code code = (Code) node;
         assertThat(code.getLiteral()).isEqualTo(expectedLiteral);
     }
-
-    private static Paragraph paragraphTree() {
-        var paragraph = new Paragraph();
-        var emphasis = new Emphasis();
-        emphasis.appendChild(new Text("nested"));
-        paragraph.appendChild(emphasis);
-        paragraph.appendChild(new Text("tail"));
-        return paragraph;
-    }
-
-    private static final class RecordingVisitor extends AbstractVisitor {
-        private final List<String> visited = new ArrayList<>();
-
-        private RecordingVisitor(int maxDepth) {
-            super(maxDepth);
-        }
-
-        @Override
-        public void visit(Paragraph paragraph) {
-            visited.add("paragraph");
-            super.visit(paragraph);
-        }
-
-        @Override
-        public void visit(Emphasis emphasis) {
-            visited.add("emphasis");
-            super.visit(emphasis);
-        }
-
-        @Override
-        public void visit(Text text) {
-            visited.add("text:" + text.getLiteral());
-            super.visit(text);
-        }
-    }
 }
diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index 6164759ec..5550df225 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -206,6 +206,55 @@ public void maxOpenBlockParsersAlsoLimitsMixedListAndBlockQuoteNesting() {
         assertThat(deepestParagraph.getNext()).isNull();
     }
 
+    @Test
+    public void maxOpenBlockParsersAlignsWithVisitorDepthAtDocumentRoot() {
+        var parser = Parser.builder().maxOpenBlockParsers(5).build();
+
+        var document = parser.parse(String.join("\n",
+                "- level1",
+                "  > level2",
+                "  > > level3",
+                "  > > > level4"));
+        var listBlock = document.getFirstChild();
+        var listItem = listBlock.getFirstChild();
+        var blockQuote1 = listItem.getLastChild();
+        var blockQuote2 = blockQuote1.getLastChild();
+        var deepestParagraph = blockQuote2.getLastChild();
+        var depthFiveVisitor = new RecordingVisitor(5);
+        var unlimitedVisitor = new RecordingVisitor();
+
+        assertThat(depth(deepestParagraph.getFirstChild())).isEqualTo(6);
+        assertThat(depth(deepestParagraph.getLastChild())).isEqualTo(6);
+
+        document.accept(depthFiveVisitor);
+        document.accept(unlimitedVisitor);
+
+        assertThat(depthFiveVisitor.visited).containsExactly(
+                "document",
+                "bulletList",
+                "listItem",
+                "paragraph",
+                "text:level1",
+                "blockQuote",
+                "paragraph",
+                "text:level2",
+                "blockQuote",
+                "paragraph");
+        assertThat(unlimitedVisitor.visited).containsExactly(
+                "document",
+                "bulletList",
+                "listItem",
+                "paragraph",
+                "text:level1",
+                "blockQuote",
+                "paragraph",
+                "text:level2",
+                "blockQuote",
+                "paragraph",
+                "text:level3",
+                "text:> level4");
+    }
+
     private String firstText(Node n) {
         while (!(n instanceof Text)) {
             assertThat(n).isNotNull();
@@ -244,4 +293,60 @@ private String alternatingNestedList(int levels) {
         }
         return String.join("\n", lines);
     }
+
+    private int depth(Node node) {
+        int depth = 0;
+        while (node.getParent() != null) {
+            node = node.getParent();
+            depth++;
+        }
+        return depth;
+    }
+
+    private static final class RecordingVisitor extends AbstractVisitor {
+        private final List<String> visited = new ArrayList<>();
+
+        private RecordingVisitor() {
+        }
+
+        private RecordingVisitor(int maxDepth) {
+            super(maxDepth);
+        }
+
+        @Override
+        public void visit(Document document) {
+            visited.add("document");
+            super.visit(document);
+        }
+
+        @Override
+        public void visit(BulletList bulletList) {
+            visited.add("bulletList");
+            super.visit(bulletList);
+        }
+
+        @Override
+        public void visit(ListItem listItem) {
+            visited.add("listItem");
+            super.visit(listItem);
+        }
+
+        @Override
+        public void visit(BlockQuote blockQuote) {
+            visited.add("blockQuote");
+            super.visit(blockQuote);
+        }
+
+        @Override
+        public void visit(Paragraph paragraph) {
+            visited.add("paragraph");
+            super.visit(paragraph);
+        }
+
+        @Override
+        public void visit(Text text) {
+            visited.add("text:" + text.getLiteral());
+            super.visit(text);
+        }
+    }
 }

From 2378c7cbe03e2801063e84eea37d6b873b154417 Mon Sep 17 00:00:00 2001
From: Spirit Wolf <spirit@canva.com>
Date: Tue, 31 Mar 2026 13:00:29 +1100
Subject: [PATCH 438/450] Apply suggestion from @robinst

Co-authored-by: Robin Stocker <robinst@canva.com>
---
 commonmark/src/main/java/org/commonmark/parser/Parser.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commonmark/src/main/java/org/commonmark/parser/Parser.java b/commonmark/src/main/java/org/commonmark/parser/Parser.java
index dc4decf28..8faac789b 100644
--- a/commonmark/src/main/java/org/commonmark/parser/Parser.java
+++ b/commonmark/src/main/java/org/commonmark/parser/Parser.java
@@ -204,7 +204,7 @@ public Builder includeSourceSpans(IncludeSourceSpans includeSourceSpans) {
         }
 
         /**
-         * Limit how many non-document block parsers may be open at once while parsing.
+         * Limit how many block parsers may be open at once while parsing.
          * <p>
          * Once the limit is reached, additional block starts are treated as plain text instead of
          * creating deeper nested block structure.

From bef429e670479a13af66b2ef74bb39094dd53014 Mon Sep 17 00:00:00 2001
From: Spirit Wolf <spirit@canva.com>
Date: Tue, 31 Mar 2026 13:01:27 +1100
Subject: [PATCH 439/450] review

---
 .../src/test/java/org/commonmark/test/ParserTest.java      | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index 5550df225..89df86407 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -2,9 +2,8 @@
 
 import org.commonmark.node.*;
 import org.commonmark.parser.*;
-import org.commonmark.parser.block.*;
 import org.commonmark.renderer.html.HtmlRenderer;
-import org.commonmark.renderer.text.TextContentRenderer;
+import org.commonmark.renderer.markdown.MarkdownRenderer;
 import org.commonmark.testutil.TestResources;
 import org.junit.jupiter.api.Test;
 
@@ -16,8 +15,6 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
-import java.util.concurrent.Callable;
-import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 
@@ -279,7 +276,7 @@ private Paragraph deepestStructuredParagraph(Node document, int levels) {
     }
 
     private String renderText(Node node) {
-        return TextContentRenderer.builder().build().render(node).trim();
+        return MarkdownRenderer.builder().build().render(node).trim();
     }
 
     private String alternatingNestedList(int levels) {

From b9dd2d5747aa8d04070811b098e2032cf9556ecd Mon Sep 17 00:00:00 2001
From: Spirit Wolf <spirit@canva.com>
Date: Tue, 31 Mar 2026 13:08:56 +1100
Subject: [PATCH 440/450] remove stale test

---
 .../java/org/commonmark/test/ParserTest.java  | 49 -------------------
 1 file changed, 49 deletions(-)

diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index 89df86407..2427347ea 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -203,55 +203,6 @@ public void maxOpenBlockParsersAlsoLimitsMixedListAndBlockQuoteNesting() {
         assertThat(deepestParagraph.getNext()).isNull();
     }
 
-    @Test
-    public void maxOpenBlockParsersAlignsWithVisitorDepthAtDocumentRoot() {
-        var parser = Parser.builder().maxOpenBlockParsers(5).build();
-
-        var document = parser.parse(String.join("\n",
-                "- level1",
-                "  > level2",
-                "  > > level3",
-                "  > > > level4"));
-        var listBlock = document.getFirstChild();
-        var listItem = listBlock.getFirstChild();
-        var blockQuote1 = listItem.getLastChild();
-        var blockQuote2 = blockQuote1.getLastChild();
-        var deepestParagraph = blockQuote2.getLastChild();
-        var depthFiveVisitor = new RecordingVisitor(5);
-        var unlimitedVisitor = new RecordingVisitor();
-
-        assertThat(depth(deepestParagraph.getFirstChild())).isEqualTo(6);
-        assertThat(depth(deepestParagraph.getLastChild())).isEqualTo(6);
-
-        document.accept(depthFiveVisitor);
-        document.accept(unlimitedVisitor);
-
-        assertThat(depthFiveVisitor.visited).containsExactly(
-                "document",
-                "bulletList",
-                "listItem",
-                "paragraph",
-                "text:level1",
-                "blockQuote",
-                "paragraph",
-                "text:level2",
-                "blockQuote",
-                "paragraph");
-        assertThat(unlimitedVisitor.visited).containsExactly(
-                "document",
-                "bulletList",
-                "listItem",
-                "paragraph",
-                "text:level1",
-                "blockQuote",
-                "paragraph",
-                "text:level2",
-                "blockQuote",
-                "paragraph",
-                "text:level3",
-                "text:> level4");
-    }
-
     private String firstText(Node n) {
         while (!(n instanceof Text)) {
             assertThat(n).isNotNull();

From 0308e3494a8945e370b6b0833ac72346d923ff32 Mon Sep 17 00:00:00 2001
From: Spirit Wolf <spirit@canva.com>
Date: Tue, 31 Mar 2026 13:13:55 +1100
Subject: [PATCH 441/450] compile

---
 .../java/org/commonmark/test/ParserTest.java  | 51 +------------------
 1 file changed, 2 insertions(+), 49 deletions(-)

diff --git a/commonmark/src/test/java/org/commonmark/test/ParserTest.java b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
index 2427347ea..337196c56 100644
--- a/commonmark/src/test/java/org/commonmark/test/ParserTest.java
+++ b/commonmark/src/test/java/org/commonmark/test/ParserTest.java
@@ -173,7 +173,7 @@ public void maxOpenBlockParsersDegradesTheNinthLogicalListLevelToPlainText() {
         var document = parser.parse(alternatingNestedList(9));
         var deepestParagraph = deepestStructuredParagraph(document, 8);
 
-        assertThat(renderText(deepestParagraph)).isEqualTo("level8\n- level9");
+        assertThat(renderText(deepestParagraph)).isEqualTo("level8\n\\- level9");
         assertThat(deepestParagraph.getNext()).isNull();
     }
 
@@ -199,7 +199,7 @@ public void maxOpenBlockParsersAlsoLimitsMixedListAndBlockQuoteNesting() {
 
         var deepestParagraph = blockQuote2.getLastChild();
         assertThat(deepestParagraph).isInstanceOf(Paragraph.class);
-        assertThat(renderText(deepestParagraph)).isEqualTo("level3\n> level4");
+        assertThat(renderText(deepestParagraph)).isEqualTo("level3\n\\> level4");
         assertThat(deepestParagraph.getNext()).isNull();
     }
 
@@ -250,51 +250,4 @@ private int depth(Node node) {
         }
         return depth;
     }
-
-    private static final class RecordingVisitor extends AbstractVisitor {
-        private final List<String> visited = new ArrayList<>();
-
-        private RecordingVisitor() {
-        }
-
-        private RecordingVisitor(int maxDepth) {
-            super(maxDepth);
-        }
-
-        @Override
-        public void visit(Document document) {
-            visited.add("document");
-            super.visit(document);
-        }
-
-        @Override
-        public void visit(BulletList bulletList) {
-            visited.add("bulletList");
-            super.visit(bulletList);
-        }
-
-        @Override
-        public void visit(ListItem listItem) {
-            visited.add("listItem");
-            super.visit(listItem);
-        }
-
-        @Override
-        public void visit(BlockQuote blockQuote) {
-            visited.add("blockQuote");
-            super.visit(blockQuote);
-        }
-
-        @Override
-        public void visit(Paragraph paragraph) {
-            visited.add("paragraph");
-            super.visit(paragraph);
-        }
-
-        @Override
-        public void visit(Text text) {
-            visited.add("text:" + text.getLiteral());
-            super.visit(text);
-        }
-    }
 }

From 61200f9c27cb7b8706b0754ca958a5822bdf801b Mon Sep 17 00:00:00 2001
From: Robin Stocker <robinst@canva.com>
Date: Tue, 31 Mar 2026 14:04:40 +1100
Subject: [PATCH 442/450] Update
 commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java

---
 .../commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java
index b524adc05..8008fc8dd 100644
--- a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertPostProcessor.java
@@ -87,6 +87,7 @@ private void tryConvertToAlert(BlockQuote blockQuote) {
 
         // Valid alert. Create Alert node and transfer children.
         var alert = new Alert(type);
+        alert.setSourceSpans(blockQuote.getSourceSpans());
         blockQuote.insertAfter(alert);
 
         // Remove the marker text from the first paragraph

From e2e27557e475588652902bb261ad0bb8f3be094e Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 31 Mar 2026 14:20:29 +1100
Subject: [PATCH 443/450] README: Add section about alerts

---
 README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.md b/README.md
index a917167f6..b9e09a1a9 100644
--- a/README.md
+++ b/README.md
@@ -333,6 +333,19 @@ Enables tables using pipes as in [GitHub Flavored Markdown][gfm-tables].
 
 Use class `TablesExtension` in artifact `commonmark-ext-gfm-tables`.
 
+### Alerts
+
+Adds support for GitHub-style alerts (also known as callouts or admonitions) as described [here](https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#alerts), e.g.:
+
+```
+> [!NOTE]
+> The text of the note.
+```
+
+As types you can use NOTE, TIP, IMPORTANT, WARNING, CAUTION; or configure the extension to add additional ones.
+
+Use class `AlertsExtension` in artifact `commonmark-ext-gfm-alerts`.
+
 ### Footnotes
 
 Enables footnotes like in [GitHub](https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#footnotes)

From 66210650c3bee8c3129fb4239edf93d902206d20 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 31 Mar 2026 14:27:24 +1100
Subject: [PATCH 444/450] Add alerts extension to integration tests

---
 commonmark-integration-test/pom.xml                          | 4 ++++
 .../src/test/java/org/commonmark/integration/Extensions.java | 2 ++
 pom.xml                                                      | 5 +++++
 3 files changed, 11 insertions(+)

diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 3433b42d4..8e52dd383 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -28,6 +28,10 @@
             <groupId>org.commonmark</groupId>
             <artifactId>commonmark-ext-ins</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.commonmark</groupId>
+            <artifactId>commonmark-ext-gfm-alerts</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.commonmark</groupId>
             <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
index 8df0408cb..9090c797f 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
@@ -4,6 +4,7 @@
 import org.commonmark.ext.autolink.AutolinkExtension;
 import org.commonmark.ext.footnotes.FootnotesExtension;
 import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
+import org.commonmark.ext.gfm.alerts.AlertsExtension;
 import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
 import org.commonmark.ext.gfm.tables.TablesExtension;
 import org.commonmark.ext.image.attributes.ImageAttributesExtension;
@@ -19,6 +20,7 @@ public class Extensions {
             FootnotesExtension.create(),
             ImageAttributesExtension.create(),
             InsExtension.create(),
+            AlertsExtension.create(),
             StrikethroughExtension.create(),
             TablesExtension.create(),
             TaskListItemsExtension.create(),
diff --git a/pom.xml b/pom.xml
index 58c3ead2c..1c9a53f28 100644
--- a/pom.xml
+++ b/pom.xml
@@ -155,6 +155,11 @@
                 <artifactId>commonmark-ext-ins</artifactId>
                 <version>0.27.2-SNAPSHOT</version>
             </dependency>
+            <dependency>
+                <groupId>org.commonmark</groupId>
+                <artifactId>commonmark-ext-gfm-alerts</artifactId>
+                <version>0.27.2-SNAPSHOT</version>
+            </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>

From 873a861938a28653002549a1c418a1ff4b519657 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 31 Mar 2026 14:20:37 +1100
Subject: [PATCH 445/450] Prepare CHANGELOG for version 0.28.0

---
 CHANGELOG.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b973b700f..399071347 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,21 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [0.28.0] - 2026-03-31
+### Added
+- New extension for alerts (aka callouts/admonitions)
+  - Syntax:
+    ```
+    > [!NOTE]
+    > The text of the note.
+    ```
+  - As types you can use NOTE, TIP, IMPORTANT, WARNING, CAUTION; or configure the
+    extension to add additional ones.
+  - Use class `AlertsExtension` in artifact `commonmark-ext-gfm-alerts` (#420)
+- New option `maxOpenBlockParsers` for `Parser.Builder` to set an overall limit
+  for the depth of block parsing. If set, any nesting beyond the limit will be
+  parsed as paragraph text instead. The default remains unlimited.
+
 ## [0.27.1] - 2026-01-14
 ### Fixed
 - Line(s) after a hard line break would sometimes also get an unwanted hard
@@ -518,6 +533,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
+[0.28.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.27.1...commonmark-parent-0.28.0
 [0.27.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.27.0...commonmark-parent-0.27.1
 [0.27.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.26.0...commonmark-parent-0.27.0
 [0.26.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.25.1...commonmark-parent-0.26.0

From d278947053b678c639bc888d5410cb507853cf59 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 31 Mar 2026 14:31:56 +1100
Subject: [PATCH 446/450] mvn versions:set -DnewVersion=0.28.0-SNAPSHOT

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-alerts/pom.xml        |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 26 ++++++++++++------------
 14 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index a99fd0b8c..79d8db07a 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 8bb88d74a..14a4a9290 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-alerts/pom.xml b/commonmark-ext-gfm-alerts/pom.xml
index 5235af6b2..7780e4e2d 100644
--- a/commonmark-ext-gfm-alerts/pom.xml
+++ b/commonmark-ext-gfm-alerts/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-alerts</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index f6cedc69a..8c9a6b296 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 4e94f623c..37ead1ce6 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index 707948a10..c2be557e7 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 456ac04a2..19ea007a9 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index a06c27b29..7288b397b 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 0fc164672..bdd592d78 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 860cfbac7..85b3ad219 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 8e52dd383..6b1d76a65 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 699adb3de..063b8af46 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 76dad6c83..650a5562a 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.27.2-SNAPSHOT</version>
+        <version>0.28.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index 1c9a53f28..ace89ff32 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.27.2-SNAPSHOT</version>
+    <version>0.28.0-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -133,62 +133,62 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-alerts</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.27.2-SNAPSHOT</version>
+                <version>0.28.0-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->

From 9e30657b678fd41b29ed3a957c3dd6a92fb445e1 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Tue, 31 Mar 2026 03:40:37 +0000
Subject: [PATCH 447/450] [maven-release-plugin] prepare release
 commonmark-parent-0.28.0

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-alerts/pom.xml        |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 28 ++++++++++++------------
 14 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 79d8db07a..818ccf4fb 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index 14a4a9290..a81dcbfd1 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-alerts/pom.xml b/commonmark-ext-gfm-alerts/pom.xml
index 7780e4e2d..4e5b4e1cc 100644
--- a/commonmark-ext-gfm-alerts/pom.xml
+++ b/commonmark-ext-gfm-alerts/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-alerts</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 8c9a6b296..3b7afb3b1 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index 37ead1ce6..ed4b5276b 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index c2be557e7..a5cb099cf 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 19ea007a9..07415ec8c 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 7288b397b..0a41c4dae 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index bdd592d78..7f96168ef 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 85b3ad219..83185bad3 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index 6b1d76a65..e50de5bc6 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 063b8af46..542eedc2e 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 650a5562a..673479fd4 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0-SNAPSHOT</version>
+        <version>0.28.0</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index ace89ff32..c43a5aed5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.28.0-SNAPSHOT</version>
+    <version>0.28.0</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -133,62 +133,62 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-alerts</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.28.0-SNAPSHOT</version>
+                <version>0.28.0</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -315,7 +315,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>HEAD</tag>
+        <tag>commonmark-parent-0.28.0</tag>
     </scm>
 
 </project>

From ba867e1e63fcabfb08511ce868707f0c1f20f453 Mon Sep 17 00:00:00 2001
From: "Robin Stocker (GitHub Actions)"
 <16778+robinst@users.noreply.github.com>
Date: Tue, 31 Mar 2026 03:40:38 +0000
Subject: [PATCH 448/450] [maven-release-plugin] prepare for next development
 iteration

---
 commonmark-ext-autolink/pom.xml          |  2 +-
 commonmark-ext-footnotes/pom.xml         |  2 +-
 commonmark-ext-gfm-alerts/pom.xml        |  2 +-
 commonmark-ext-gfm-strikethrough/pom.xml |  2 +-
 commonmark-ext-gfm-tables/pom.xml        |  2 +-
 commonmark-ext-heading-anchor/pom.xml    |  2 +-
 commonmark-ext-image-attributes/pom.xml  |  2 +-
 commonmark-ext-ins/pom.xml               |  2 +-
 commonmark-ext-task-list-items/pom.xml   |  2 +-
 commonmark-ext-yaml-front-matter/pom.xml |  2 +-
 commonmark-integration-test/pom.xml      |  2 +-
 commonmark-test-util/pom.xml             |  2 +-
 commonmark/pom.xml                       |  2 +-
 pom.xml                                  | 28 ++++++++++++------------
 14 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/commonmark-ext-autolink/pom.xml b/commonmark-ext-autolink/pom.xml
index 818ccf4fb..2cc4d53ca 100644
--- a/commonmark-ext-autolink/pom.xml
+++ b/commonmark-ext-autolink/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-autolink</artifactId>
diff --git a/commonmark-ext-footnotes/pom.xml b/commonmark-ext-footnotes/pom.xml
index a81dcbfd1..0d9e2f30c 100644
--- a/commonmark-ext-footnotes/pom.xml
+++ b/commonmark-ext-footnotes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-footnotes</artifactId>
diff --git a/commonmark-ext-gfm-alerts/pom.xml b/commonmark-ext-gfm-alerts/pom.xml
index 4e5b4e1cc..02ecbf802 100644
--- a/commonmark-ext-gfm-alerts/pom.xml
+++ b/commonmark-ext-gfm-alerts/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-alerts</artifactId>
diff --git a/commonmark-ext-gfm-strikethrough/pom.xml b/commonmark-ext-gfm-strikethrough/pom.xml
index 3b7afb3b1..9d8f55e5f 100644
--- a/commonmark-ext-gfm-strikethrough/pom.xml
+++ b/commonmark-ext-gfm-strikethrough/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
diff --git a/commonmark-ext-gfm-tables/pom.xml b/commonmark-ext-gfm-tables/pom.xml
index ed4b5276b..5bd323168 100644
--- a/commonmark-ext-gfm-tables/pom.xml
+++ b/commonmark-ext-gfm-tables/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-gfm-tables</artifactId>
diff --git a/commonmark-ext-heading-anchor/pom.xml b/commonmark-ext-heading-anchor/pom.xml
index a5cb099cf..26d2d19b1 100644
--- a/commonmark-ext-heading-anchor/pom.xml
+++ b/commonmark-ext-heading-anchor/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-heading-anchor</artifactId>
diff --git a/commonmark-ext-image-attributes/pom.xml b/commonmark-ext-image-attributes/pom.xml
index 07415ec8c..e646bc3fd 100644
--- a/commonmark-ext-image-attributes/pom.xml
+++ b/commonmark-ext-image-attributes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-image-attributes</artifactId>
diff --git a/commonmark-ext-ins/pom.xml b/commonmark-ext-ins/pom.xml
index 0a41c4dae..48481c073 100644
--- a/commonmark-ext-ins/pom.xml
+++ b/commonmark-ext-ins/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-ins</artifactId>
diff --git a/commonmark-ext-task-list-items/pom.xml b/commonmark-ext-task-list-items/pom.xml
index 7f96168ef..4359f8707 100644
--- a/commonmark-ext-task-list-items/pom.xml
+++ b/commonmark-ext-task-list-items/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-task-list-items</artifactId>
diff --git a/commonmark-ext-yaml-front-matter/pom.xml b/commonmark-ext-yaml-front-matter/pom.xml
index 83185bad3..e6822f771 100644
--- a/commonmark-ext-yaml-front-matter/pom.xml
+++ b/commonmark-ext-yaml-front-matter/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <artifactId>commonmark-parent</artifactId>
         <groupId>org.commonmark</groupId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-ext-yaml-front-matter</artifactId>
diff --git a/commonmark-integration-test/pom.xml b/commonmark-integration-test/pom.xml
index e50de5bc6..7e0048a73 100644
--- a/commonmark-integration-test/pom.xml
+++ b/commonmark-integration-test/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-integration-test</artifactId>
diff --git a/commonmark-test-util/pom.xml b/commonmark-test-util/pom.xml
index 542eedc2e..6a9c342cc 100644
--- a/commonmark-test-util/pom.xml
+++ b/commonmark-test-util/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark-test-util</artifactId>
diff --git a/commonmark/pom.xml b/commonmark/pom.xml
index 673479fd4..4e060edaa 100644
--- a/commonmark/pom.xml
+++ b/commonmark/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.commonmark</groupId>
         <artifactId>commonmark-parent</artifactId>
-        <version>0.28.0</version>
+        <version>0.28.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>commonmark</artifactId>
diff --git a/pom.xml b/pom.xml
index c43a5aed5..f12805316 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-parent</artifactId>
-    <version>0.28.0</version>
+    <version>0.28.1-SNAPSHOT</version>
     <name>commonmark-java parent</name>
     <description>
         Java implementation of CommonMark, a specification of the Markdown format for turning plain text into formatted
@@ -133,62 +133,62 @@
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-autolink</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-footnotes</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-image-attributes</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-ins</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-alerts</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-strikethrough</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-gfm-tables</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-heading-anchor</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-task-list-items</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-ext-yaml-front-matter</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
             <dependency>
                 <groupId>org.commonmark</groupId>
                 <artifactId>commonmark-test-util</artifactId>
-                <version>0.28.0</version>
+                <version>0.28.1-SNAPSHOT</version>
             </dependency>
 
             <!-- Common test dependencies -->
@@ -315,7 +315,7 @@
         <connection>scm:git:https://github.com/commonmark/commonmark-java</connection>
         <developerConnection>scm:git:https://github.com/commonmark/commonmark-java</developerConnection>
         <url>https://github.com/commonmark/commonmark-java</url>
-        <tag>commonmark-parent-0.28.0</tag>
+        <tag>HEAD</tag>
     </scm>
 
 </project>

From 41586ddabdee9d455c1b8b7c816bd5f0f86647a5 Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Tue, 31 Mar 2026 14:52:18 +1100
Subject: [PATCH 449/450] Bump versions

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index b9e09a1a9..845226729 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Coordinates for core library (see all on [Maven Central]):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark</artifactId>
-    <version>0.27.1</version>
+    <version>0.28.0</version>
 </dependency>
 ```
 
@@ -291,7 +291,7 @@ First, add an additional dependency (see [Maven Central] for others):
 <dependency>
     <groupId>org.commonmark</groupId>
     <artifactId>commonmark-ext-gfm-tables</artifactId>
-    <version>0.27.1</version>
+    <version>0.28.0</version>
 </dependency>
 ```
 

From 8df50617946609975b21f3e791c7d0712cb0b34c Mon Sep 17 00:00:00 2001
From: Robin Stocker <robin@nibor.org>
Date: Fri, 10 Apr 2026 15:51:59 +1000
Subject: [PATCH 450/450] Allow customizing HTML attributes for alert title

---
 CHANGELOG.md                                                 | 5 +++++
 .../ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java       | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 399071347..9c5c67268 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 This project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html),
 with the exception that 0.x versions can break between minor versions.
 
+## [Unreleased]
+### Added
+- Allow customizing HTML attributes for alert title `<p>` tag via `AttributeProvider`
+
 ## [0.28.0] - 2026-03-31
 ### Added
 - New extension for alerts (aka callouts/admonitions)
@@ -533,6 +537,7 @@ API breaking changes (caused by changes in spec):
 Initial release of commonmark-java, a port of commonmark.js with extensions
 for autolinking URLs, GitHub flavored strikethrough and tables.
 
+[Unreleased]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.28.0...main
 [0.28.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.27.1...commonmark-parent-0.28.0
 [0.27.1]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.27.0...commonmark-parent-0.27.1
 [0.27.0]: https://github.com/commonmark/commonmark-java/compare/commonmark-parent-0.26.0...commonmark-parent-0.27.0
diff --git a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java
index 763b2e217..ca562ba33 100644
--- a/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java
+++ b/commonmark-ext-gfm-alerts/src/main/java/org/commonmark/ext/gfm/alerts/internal/AlertHtmlNodeRenderer.java
@@ -34,7 +34,7 @@ protected void renderAlert(Alert alert) {
         htmlWriter.line();
 
         // Render alert title
-        htmlWriter.tag("p", Map.of("class", "markdown-alert-title"));
+        htmlWriter.tag("p", context.extendAttributes(alert, "p", Map.of("class", "markdown-alert-title")));
         htmlWriter.text(getAlertTitle(type));
         htmlWriter.tag("/p");
         htmlWriter.line();