Description

r12a

opened on Nov 30, 2016

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A.1 Supporting Ruby Layout
https://drafts.csswg.org/css-ruby-1/#default-ua-ruby

the default UA style sheet information includes the following:

rtc:lang(zh), rt:lang(zh) {
  ruby-align: center; }

This establishes centred display for ruby for Chinese, but there are other language subtags that indicate that text is chinese besides the generic zh. These should presumably also be included here.

The current list of more specific tags recommended by the IANA subtag registry rather than zh is:
cdo cjy cmn cpx czh czo gan hak hsn lzh mnp nan wuu yue.

Activity

1. r12a

   added

   css-ruby-1Current WorkCurrent Work

   i18n-trackerGroup bringing to attention of Internationalization, or tracked by i18n but not needing response.Group bringing to attention of Internationalization, or tracked by i18n but not needing response.

   on Nov 30, 2016
2. upsuper commented on Dec 2, 2016

   

   upsuper

   on Dec 2, 2016

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   I don't think it's worth adding them. Web content shouldn't use them.

   If we really want to take those tags into consideration, we really need a new mechanism to handle macrolanguages, rather than listing everything inside it.
3. r12a

   added

   i18n-needs-resolutionIssue the Internationalization Group has raised and looks for a response on.Issue the Internationalization Group has raised and looks for a response on.

   and removed

   i18n-trackerGroup bringing to attention of Internationalization, or tracked by i18n but not needing response.Group bringing to attention of Internationalization, or tracked by i18n but not needing response.

   on Dec 8, 2016
4. patrickdark commented on Dec 23, 2016

   

   patrickdark

   on Dec 23, 2016

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   My experience is that the language is a lot less important than the script for styling purposes. zh-latn and zh-hans or zh-hant have different styling considerations.
5. r12a

   added

   i18n-clreqChinese language enablementChinese language enablement

   on Apr 30, 2018
6. fantasai commented on Feb 2, 2021

   

   fantasai

   on Feb 2, 2021

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   It seems to me we might want to just remove this rule, and rely on controlling the justification opportunities instead. The reason Chinese is centered by default here because its annotations tend to be in Latin (Pinyin) or Bopomofo. But when they are in Hanzi, they are not centered, they are spaced out.
7. fantasai

   added a commit that references this issue on Feb 2, 2021

   [css-ruby-1] Remove centering rule for now #779. Deal with the proble…

   07a40ad
8. fantasai

   closed this as completedon Feb 2, 2021
9. fantasai

   added

   Closed Accepted by Editor DiscretionSee description in bin/issuegen.plSee description in bin/issuegen.pl

   on Feb 2, 2021
10. upsuper commented on Feb 7, 2021

    

    upsuper

    on Feb 7, 2021

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    (For my own reference, filed Gecko bug 1691243 for this change)
11. upsuper commented on Nov 14, 2021

    

    upsuper

    on Nov 14, 2021

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    I had another look at the issue, and it seems to me that bopomofo does have justification opportunities inside, so removing ruby-align: center may not work for it. And I think it makes sense for bopomofo to have justification opportunities, as they are like kanas in Japanese that they can mix into a piece of Chinese text, and if such piece of text is justified, bopomofo should behave just like Chinese characters.

    But I also agree that when the annotation is Chinese, it seems right to have it spaced out. Not sure how we can solve this conflict.
12. frivoal commented on Dec 22, 2021

    

    frivoal

    on Dec 22, 2021

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    (reopening, so that we don't forget to deal with @upsuper's comment)
13. frivoal

    reopened this on Dec 22, 2021
14. frivoal

    added

    Agenda+

    Needs Edits

    Needs Testcase (WPT)

    and removed

    Closed Accepted by Editor DiscretionSee description in bin/issuegen.plSee description in bin/issuegen.pl

    on Sep 13, 2022
15. aphillips commented on Sep 13, 2022

    

    aphillips

    on Sep 13, 2022

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    CSS will ping I18N when text is written for review by CLREQ
16. fantasai

    added

    Closed Accepted by CSSWG ResolutionChanges backed by a CSSWG resolution.Changes backed by a CSSWG resolution.

    and removed

    Agenda+

    on Oct 12, 2022
17. fantasai

    added a commit that references this issue on Dec 28, 2022

    [css-text-4][css-ruby-1] Define 'text-justify: ruby' to handle defaul…

    96545da
18. frivoal

    removed

    Needs Edits

    on Dec 28, 2022
19. frivoal commented on Dec 28, 2022

    

    frivoal

    on Dec 28, 2022

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    @upsuper we've now made edits to deal with #779 (comment). Feedback appreciated.
20. frivoal

    closed this as completedon Dec 28, 2022
21. upsuper commented on Dec 28, 2022

    

    upsuper

    on Dec 28, 2022

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    Looks good to me, thanks.
22. jakearchibald

    added a commit that references this issue on Jan 16, 2023

    [css-text-4][css-ruby-1] Define 'text-justify: ruby' to handle defaul…

    e93765e

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