gh-136063: WIP: Refactor email _header_value_parser and eliminate non-linear complexity - #152710

Draft

bitdancer wants to merge 152 commits into

python:mainfrom

bitdancer:hvp_refactor

Commits on Jul 6, 2026

Better parameterized test support.
bitdancer
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700e78f
Make params the default for email test cases.
bitdancer
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d1f58b8
DROPME: temporary unittest usability hack.
bitdancer
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ff717b3
Enhance defects assertion.
bitdancer
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bfb8be7
Add defect expectation constants and functions.
bitdancer
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40fbf96
Fix defect copying when extending a token list.
bitdancer
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8158e1c
Add for_each_character params filter.
bitdancer
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4e3dc45
Begin converting _wsp_splitter tests to new framework.
bitdancer
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24d78c2
Do _wsp_splitter test conversion.
bitdancer
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3e7357b
Update _wsp_splitter test names.
bitdancer
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0bab82a
Add tests for _validate_xtext.
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5df8183
Add more testing infrastructure.
bitdancer
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127b6af
Add tests for _get_ptext_to_endchars.
bitdancer
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dc93b3a
Begin refactoring of get_fws tests.
bitdancer
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3a13cae
Rough conversion of existing get_fws tests.
bitdancer
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bf2746d
Fix whitespace and test names in get_fws tests.
bitdancer
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102da9e
Convert get_fws tests to keyword form.
bitdancer
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aafe940
Improve the get_fws test names.
bitdancer
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e2a28e0
Improve get_fws tests.
bitdancer
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d5afdf7
Begin _encoded_words test refactor.
bitdancer
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1d422b8
Rough conversion of _encoded_word tests.
bitdancer
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110e8c7
Fix whitespace and test names in _encoded_words tests.
bitdancer
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0f7b17f
Tidy up to finish _encoded_words test conversion.
bitdancer
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3c6bfe3
Begin get_encoded_word test refactor.
bitdancer
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d71112d
Rough conversion of get_encoded_word tests.
bitdancer
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7420116
Fix test names and whitespace in get_encoded_word tests.
bitdancer
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82b6156
Convert get_encoded_word tests to keyword form.
bitdancer
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f942791
Begin simplifying get_encoded_word 'raise' tests.
bitdancer
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45ff404
Simplify get_encoded_word raise tests further.
bitdancer
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c2debf7
Update get_encoded_word raise tests before adding more.
bitdancer
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65a808d
Update fix for bpo-27397/gh-71584.
bitdancer
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fbeae7d
Add more get_encoded_word tests.
bitdancer
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8754d9e
Begin refactoring get_unstructured tests.
bitdancer
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de6487e
Rough conversion of get_unstructured tests.
bitdancer
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527e9ac
Fix whitespace/test names in get_unstructured tests.
bitdancer
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89570a8
Convert get_unstructured tests to keyword form.
bitdancer
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0102035
Remove now redundant get_unstructured tests.
bitdancer
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50f90d6
Add more get_unstructured tests, specific defects.
bitdancer
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ca58e38
Begin conversion of get_qp_ctext tests.
bitdancer
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5948d0b
Convert get_qp_ctext tests.
bitdancer
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ca77c51
Fix whitespace and test names in get_qp_ctext tests.
bitdancer
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b68a369
Convert get_qp_ctext tests to keyword form.
bitdancer
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8102870
get_qp_ctext test improvements.
bitdancer
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91e75e2
Begin converting get_qcontent tests to new framework.
bitdancer
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e22c595
Rough conversion of get_qcontent tests.
bitdancer
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0a7bc1c
Fix whitespace and test names in get_qcontent tests.
bitdancer
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98d66aa
Put get_qcontent tests in keyword form.
bitdancer
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8960b84
Improve get_qcontent tests.
bitdancer
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b882330
Start conversion of get_atext tests.
bitdancer
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0679063
Rough conversion of get_atext tests.
bitdancer
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d2a32af
Fix whitespace and test names in get_atext tests.
bitdancer
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a083cd2
Convert get_atext tests to keyeword form.
bitdancer
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64299cf
Improve the get_atext tests.
bitdancer
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644e855
Begin refactor of get_bare_quoted_string tests.
bitdancer
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220e675
Rough refactoring of bare_quoted_string tests.
bitdancer
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30a796e
Fix whitespace and test names in bare_quoted_string tests.
bitdancer
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f4216ee
Convert bare_quoted_string tests to keyword form.
bitdancer
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faa905f
Clarify test names, remove redundant test.
bitdancer
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71d5488
Improve bare_quoted_string tests.
bitdancer
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b7bc1ce
Begin refactoring get_comment tests.
bitdancer
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4d20bcc
Rough conversion of get_comment tests.
bitdancer
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9d371de
Fix whitespace and test names in get_comment tests.
bitdancer
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effd1d6
Convert get_comment tests to keyword form.
bitdancer
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6b38169
Improve get_comment test names.
bitdancer
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bf27f70
Improve the get_comment tests.
bitdancer
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5fe5f58
Begin conversion of get_cfws tests.
bitdancer
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1079602
Remove now-redundant tests.
bitdancer
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2fa6a8e
Rough conversion of get_cwfs tests.
bitdancer
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407e6c2
Fix whitespace in get_cfws tests.
bitdancer
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62951e5
Shorten test names in get_cfws tests.
bitdancer
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e97f868
Convert get_cfws tests to keyword form.
bitdancer
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c4bf042
Add commenttree checks to get_cfws tests.
bitdancer
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251adca
Improve get_cfws tests.
bitdancer
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226a1b1
Start conversion of get_quoted_string tests.
bitdancer
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fe66529
Remove now redundant get_quoted_string test.
bitdancer
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4b890eb
Rough conversion of get_quoted_string tests.
bitdancer
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a568523
Fix whitespace and test names in get_quoted_string tests.
bitdancer
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0e84644
Convert get_quoted_string tests to keyword form.
bitdancer
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8c70238
Improve get_quoted_string tests.
bitdancer
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8cac1d1
Add content checking to get_quoted_string tests.
bitdancer
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e67faaf
Start refactoring get_atom tests.
bitdancer
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420529d
Rough conversion of get_atom tests.
bitdancer
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a168523
Fix whitespace and test names in get_atom tests.
bitdancer
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bf789fc
Convert get_atom tests to keyword form.
bitdancer
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06d6617
Improve the get_atom tests.
bitdancer
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1aa811c
Start refactoring get_dot_atom_text tests.
bitdancer
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d3e1d96
Delete now redundant get_dot_atom_text test.
bitdancer
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1f36294
Rough conversion of get_dot_atom_text tests.
bitdancer
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8e2776a
Fix whitespace and test names in get_dot_atom_text tests.
bitdancer
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8c60d90
Convert get_dot_atom_text tests to keyword form.
bitdancer
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51772f7
Improve the get_dot_atom_text tests, step 1.
bitdancer
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38db54e
Improve the get_dot_atom_text tests step 2.
bitdancer
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b91ba59
Improve get_dot_atom_text tests step 3: more tests.
bitdancer
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2b8c183
Begin refactoring get_dot_atom tests.
bitdancer
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7d91c74
Rough conversion of get_dot_atom tests.
bitdancer
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0cc7e12
Fix whitespace and test names in get_dot_atom tests.
bitdancer
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3c3fdb1
Convert get_dot_atom tests to keyword form.
bitdancer
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364df1e
Improve the get_dot_atom tests.
bitdancer
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e7b9020
Refactor get_word tests.
bitdancer
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38b613b
Begin refactoring get_phrase tests.
bitdancer
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4f59e8f
Rough conversion of get_phrase tests.
bitdancer
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ffe9351
Fix whitespace and test names in get_phrase tests.
bitdancer
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ad2618f
Convert get_phrase tests to keyword form.
bitdancer
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b467e07
Add equivalent of get_phrase test length check.
bitdancer
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4f4d5e1
Improve the get_phrase test defect checking.
bitdancer
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ebdce1f
Improve the get_phrase test names.
bitdancer
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d6fad60
Additional tests for get_phrase.
bitdancer
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bf3a9ac
Begin conversion of get_local_part tests.
bitdancer
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50a8bc7
Rough refactoring of get_local_part tests.
bitdancer
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676b998
Fix whitespace and test names in get_local_part tests.
bitdancer
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95c4f0e
Convert get_local_part tests to keyword form.
bitdancer
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1f1ed35
Add defect message checks to get_local_part tests.
bitdancer
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4093b8a
Move obs tests to new get_obs_local_part tests section.
bitdancer
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291568d
Move get_obs_local_part before get_local_part.
bitdancer
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a3e93be
Enhance the get_obs_local_part tests.
bitdancer
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62d7e8a
New get_obs_local_part ew test, fix bug.
bitdancer
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f8fffad
More get_obs_local_part ew tests.
bitdancer
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16a239d
Add unicode and ew get_local_part tests.
bitdancer
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a6fc56f
Document new API pattern, add deprecation helpers.
bitdancer
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d82b5c9
Deprecate NonASCIILocalPartDefect.
bitdancer
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c86dabe
Refactor get_fws.
bitdancer
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66fe08b
Add _make_xtext.
bitdancer
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f0a0cc3
Preliminary deprecation of _validate_xtext.
bitdancer
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58f523c
Add _get_xtext function.
bitdancer
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bdaa0f7
Factor a _decode out of decode in _encoded_words.
bitdancer
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9b8e480
Refactor get_encoded_word.
bitdancer
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19cc42a
Refactor get_unstructured into parse_unstructured.
bitdancer
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f1014b6
Deprecate _wsp_splitter.
bitdancer
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801c4ab
Start adding a content_getter helper.
bitdancer
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87dcb41
Implement content_getter.
bitdancer
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d598267
Deprecate _get_ptext_to_endchars.
bitdancer
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d2714a9
Refactor parse_unstructured to use content_getter.
bitdancer
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f87d59a
Add get_ccontent_sequence.
bitdancer
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c6ec083
Have get_comment reuse the get_ccontent_sequence tests.
bitdancer
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672f357
Preliminary deprecation of get_qp_ctext.
bitdancer
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d0f031e
Set up easy POSTDEP removal for get_qp_ctext.
bitdancer
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59e58a6
Refactor get_bare_quoted_string.
bitdancer
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230f00c
Preliminary deprecation of get_qcontent.
bitdancer
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399cf70
Add get_atext_sequence.
bitdancer
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705f301
Preliminary deprecation of get_atext.
bitdancer
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45591fa
Refactor get_comment.
bitdancer
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0521972
Finalize deprecation of get_qp_ctext.
bitdancer
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bfa84af
Refactor get_cfws.
bitdancer
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2435928
Refactor get_quoted_string.
bitdancer
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6ba71e7
Refactor get_atom.
bitdancer
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464d403
Refactor get_dot_atom_text.
bitdancer
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34eb525
Finalize deprecation of get_atext.
bitdancer
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1339032
Refactor get_dot_atom.
bitdancer
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2c63beb
Refactor get_word.
bitdancer
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e1b1fa4
Refactor get_phrase.
bitdancer
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3df6a62
Refactor get_obs_local_part.
bitdancer
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e8fc51b
Refactor get_local_part.
bitdancer
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9ed0e66