Avoid separate first-letter sections of Pinyin and English words in large categories for Pinyin collation
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	Func
	Feb 21 2026, 7:21 PM

Description

ICU orders characters by script group (Latin/Hani) first, but we want to avoid having first-letter sections separately for Pinyin and English words on different pages of a large category.

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Related Changes in Gerrit:

	Subject	Repo	Branch	Lines +/-
	Collation: Introduce a tailored collation for Chinese Pinyin sorting	mediawiki/core	master	+149 -13

Customize query in gerrit

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Status	Subtype	Assigned	Task
Open		None	T32672 Use locale-specific sorting (tracking)
Open		None	T32754 Use correct sorting for in prefix searches
Open		None	T32673 Implement central locale-specific, or tailored, sorting framework (tracking)
Open		None	T32996 Change $wgCategoryCollation values to appropriate one for each Wikimedia wiki
Open		None	T30397 Allow collation to be specified per category
Open	Feature	None	T37378 Support multiple collations at the same time
Open	Feature	None	T71417 Additional sort options for categories:: Usage (most/least used pages); Creation date (newest/oldest date of original image/video)
Open	Feature	None	T72819 Category pages should expose the timestamp sort option
Open		None	T242908 LanguageConverter should work in category listings
Open		None	T46667 Allow multiple collations in same site and configure zh collations
Open	Feature	None	T170049 Chinese site category pages should be able to sort pages by Hanyu Pinyin
Open		Func	T418061 Avoid separate first-letter sections of Pinyin and English words in large categories for Pinyin collation

Event Timeline

Func created this task.Feb 21 2026, 7:21 PM

Change #1241256 had a related patch set uploaded (by Func; author: Func):

[mediawiki/core@master] IcuCollation: Group Pinyin initials and Latin characters into buckets

https://gerrit.wikimedia.org/r/1241256

gerritbot added a project: Patch-For-Review.Feb 21 2026, 7:35 PM

How will manual pinyin overrides (if that exists) for characters not pronouncing as usual behave under this patch?

In T418061#11638586, @1F616EMO wrote:

How will manual pinyin overrides (if that exists) for characters not pronouncing as usual behave under this patch?

This patch did not change the behaviour for manual overrides, so they would be sorted as English words as previously. The issue will be investigated and improved as part of T401456, or you may file a subtask specifically for in-page manual overrides. I have some WIP on T401456, may post my findings in a few days.

Shizhao moved this task from Backlog to MediaWiki core on the Chinese-Sites board.Feb 24 2026, 4:01 AM

Change #1241256 merged by jenkins-bot:

[mediawiki/core@master] Collation: Introduce a tailored collation for Chinese Pinyin sorting

https://gerrit.wikimedia.org/r/1241256

Maintenance_bot removed a project: Patch-For-Review.Wed, Mar 18, 9:31 PM

ReleaseTaggerBot added a project: MW-1.46-notes (1.46.0-wmf.21; 2026-03-24).Wed, Mar 18, 10:00 PM

Avoid separate first-letter sections of Pinyin and English words in large categories for Pinyin collationOpen, Needs TriagePublicActions

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Avoid separate first-letter sections of Pinyin and English words in large categories for Pinyin collation
Open, Needs TriagePublic
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