HTTP/2 200 date: Fri, 26 Dec 2025 00:00:58 GMT content-type: text/html; charset=utf-8 content-length: 6594 last-modified: Thu, 25 Dec 2025 23:38:43 GMT access-control-allow-origin: * etag: W/"694dcb03-e568" expires: Fri, 26 Dec 2025 00:08:49 GMT cache-control: max-age=600 content-encoding: gzip x-proxy-cache: MISS x-github-request-id: 2EE2:2F054D:2143545:222456F:694DCFB9 accept-ranges: bytes age: 0 via: 1.1 varnish x-served-by: cache-sjc1000103-SJC x-cache: HIT x-cache-hits: 0 x-timer: S1766707259.605913,VS0,VE87 vary: Accept-Encoding x-fastly-request-id: 4dabdd9838f7f265f874f66fd9323ed51668b9ad strict-transport-security: max-age=31536000; includeSubDomains; preload expect-ct: enforce, max-age=2592000 alt-svc: h3=":443"; ma=86400

CSS Ruby Layout Level 3 Disposition of Comments for 2020-04-29 WD

Dated Draft: https://www.w3.org/TR/2020/WD-css-ruby-1-20200429/

Editor's Draft: https://drafts.csswg.org/css-ruby-1/

The following color coding convention is used for comments:

• Accepted or Rejected and positive response
• Rejected and no response
• Rejected and negative response
• Deferred
• Out-of-Scope or Invalid and not verified

Open issues are marked like this

An issue can be closed as Accepted, OutOfScope, Invalid, Rejected, or Retracted. Verified indicates commentor's acceptance of the response.

Issue 1. #
Summary:  Define offset of ruby wrt bases
From:     David Baron
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Jun/0374.html ∈
Note:     https://github.com/w3c/csswg-drafts/issues/4986
Note:     https://github.com/w3c/csswg-drafts/issues/4980
Note:     https://github.com/w3c/csswg-drafts/issues/4976
Note:     https://github.com/w3c/csswg-drafts/issues/4974
Note:     https://github.com/w3c/csswg-drafts/issues/4936
Closed:   Accepted
Resolved: https://lists.w3.org/Archives/Public/www-style/2020May/0012.html ∈
Resolved: https://lists.w3.org/Archives/Public/www-style/2020May/0014.html ∈
Resolved: https://lists.w3.org/Archives/Public/www-style/2020Apr/0013.html ∈

Issue 2. #
Summary:  Interaction of ruby with ligatures+shaping
From:     David Baron
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Aug/0049.html ∈
Changes:  https://github.com/w3c/csswg-drafts/commit/aaf19af4cca937b0c336caa9e28b4eadeecfb364
Open:     Accepted =WG=/=i18n= Review =FF= Respond to dbaron

Issue 3. #
Summary:  Clarify text run adjacency
From:     Susanna Bowen
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Aug/0213.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2014Aug/0216.html ∈
Closed:   Accepted
Resolved: Editorial

Issue 4. #
Summary:  Bopomofo tone mark positioning examples
From:     Bobby Tung
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Sep/0186.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2020Apr/0018.html ∈
Open:     Original files were lost; waiting on commenter response.

Issue 5. #
Summary:  Tone mark positioning is undefined for bopomofo
From:     Dave Hyatt
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Sep/0240.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Sep/0286.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jan/0293.html ∈
Notes:    Should be handled by OpenType, just like any other complex script
Changes:  https://github.com/w3c/csswg-drafts/commit/37cc40ababc165352c7fe20b6d1ceff08a118d38
Closed:   OutOfScope

Issue 6. #
Summary:  Drop last ruby annotation spanning to the end
From:     David Baron
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Nov/0110.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2014Nov/0275.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Nov/0284.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Nov/0285.html ∈
Closed:   Accepted
Resolved: Editor discretion

Issue 7. #
Summary:  Space distribution with spanning
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Nov/0289.html ∈
Changes:  https://github.com/w3c/csswg-drafts/commit/36b03fee0b36f8be80f0f5e1ce32c73c0660c812
Changes:  https://github.com/w3c/csswg-drafts/commit/853b36e16ebe330a227049da1c47801a7683009d
Open:     Accepted =WG= =Xidorn= Review.

Issue 8. #
Summary:  Inter-annotation white space is too tall
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Nov/0408.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/5962
Open

Issue 9. #
Summary:  Define inter-character forcing writing-mode better
From:     Daniel Holbert
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Dec/0162.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2014Dec/0241.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0358.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0496.html ∈
Response: https://github.com/w3c/csswg-drafts/issues/1773#issuecomment-775694005
Open

Issue 10. #
Summary:  UA stylesheet rule for font-size should handle <rtc> containing text
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Dec/0026.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2014Dec/0209.html ∈
Closed:   Accepted

Issue 11. #
Summary:  UA should suppress inheritance of line-height into ruby annotations
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Dec/0026.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2014Dec/0228.html ∈
Closed:   Accepted

Issue 12. #
Summary:  Need clarifications on line spacing
From:     David Baron
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Dec/0366.html ∈
Open:     Accepted

Issue 13. #
Summary:  Auto-hiding hiragana and katakana
From:     Célian Veyssière
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jan/0415.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Jan/0447.html ∈
Note:     https://github.com/w3c/csswg-drafts/issues/5927
Open:     Add 'visibility' example
Resolved: Rejected

Issue 14. #
Summary:  Add over-most-under-last value for captioning
From:     Glenn Adams
From:     Cyril Concolato
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Dec/0211.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jan/0126.html ∈
Comment:  https://www.w3.org/2017/11/09-tt-minutes.html#item36
Comment:  https://github.com/w3c/csswg-drafts/issues/2998
Response: https://github.com/w3c/csswg-drafts/issues/2998#issuecomment-570014073
Closed:   Accepted
Resolved: Editor discretion

Issue 15. #
Summary:  Clarify where additional leading is applied to fit ruby
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Dec/0366.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jan/0000.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jan/0001.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jan/0138.html ∈
Open:     Accepted

Issue 16. #
Summary:  Simplify ruby-position
From:     Glenn Adams
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Sep/0228.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jan/0300.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Jan/0397.html ∈
Closed:   Accepted

Issue 17. #
Summary:  Always allow line breaking between ruby bases
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jan/0238.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Jan/0259.html ∈
Closed:   Rejected
Verified: https://lists.w3.org/Archives/Public/www-style/2015Jan/0403.html ∈

Issue 18. #
Summary:  line-height suggestions for UA style sheet
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Nov/0483.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Feb/0164.html ∈
Notes:    Handled otherwise by rtc ignoring line-height
Closed:   Accepted

Issue 19. #
Summary:  text matching for auto-hiding
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Dec/0074.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Feb/0158.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/3972
Open:     =WG= =Xidorn= Discuss.

Issue 20. #
Summary:  Japanese and Chinese conflict wrt ruby-align defaults
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jan/0270.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Feb/0156.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Mar/0330.html ∈
Response: https://github.com/w3c/csswg-drafts/issues/771#issuecomment-771387213
Response: https://github.com/w3c/csswg-drafts/issues/1907#issuecomment-771347926
Open

Issue 21. #
Summary:  Missing intra-level white space case
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Nov/0565.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Feb/0172.html ∈
Closed:   Accepted
Resolved: Bugfix

Issue 22. #
Summary:  White space trimming seems incorrect
From:     Boris Zbarsky
From:     Susanna Bowen
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Jul/0620.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Aug/0047.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Feb/0173.html ∈
Closed:   Accepted

Issue 23. #
Summary:  Property to control ruby offset
From:     Glen Adams
From:     Daniel Yacob
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Oct/0040.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Feb/0159.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0170.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0178.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2017Nov/0025.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2021Feb/0008.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/4932
Open:     Accepted
Resolved: https://lists.w3.org/Archives/Public/www-style/2020May/0012.html ∈

Issue 24. #
Summary:  Sizing ruby base containers incompatible vertical-align on bases
From:     David Baron
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0235.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/4987
Open

Issue 25. #
Summary:  Stacking of ruby annotation containers underdefined
From:     David Baron
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0235.html ∈
Open:     Accepted
Note:     Made irrelevant by making margins/borders/padding not apply.
Resolved: https://lists.w3.org/Archives/Public/www-style/2020Apr/0013.html ∈

Issue 26. #
Summary:  Automatic sizing of bopomofo vs Japanese ruby
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Dec/0237.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Jan/0521.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Jan/0524.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jan/0525.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Feb/0160.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/775
Open:     Accepted =i18nWG= Review

Issue 27. #
Summary:  Add alternating ruby-position
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/public-i18n-core/2009AprJun/0064.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0426.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/5971
Open:     =WG= Resolve

Issue 28. #
Summary:  auto-hiding vs ruby-merge: collapse
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2014Sep/0086.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Feb/0479.html ∈
Closed:   Accepted

Issue 29. #
Summary:  Remove inter-character in favor of orthogonal writing-mode
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Mar/0120.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Mar/0174.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2015Mar/0198.html ∈
Closed:   Retracted
Verified: https://lists.w3.org/Archives/Public/www-style/2015Mar/0202.html ∈
See also: https://github.com/w3c/csswg-drafts/issues/1773

Issue 30. #
Summary:  HTML spec disagrees with CSS Ruby default 'display' rules
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0449.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Mar/0164.html ∈
Closed:   Retracted

Issue 31. #
Summary:  Justification of bopomofo
From:     Koji Ishii
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0238.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/1907
Open

Issue 32. #
Summary:  Order of operations for inlinizing
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Apr/0294.html ∈
Closed:   Accepted?
Open:     Reply to Xidorn

Issue 33. #
Summary:  Allow overhang of auto-hidden ruby
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015May/0222.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/1908
Open

Issue 34. #
Summary:  JLREQ errors wrt ruby-overhang rules:
From:     Shinyu Murakami
Comment:  https://lists.w3.org/Archives/Public/www-style/2015May/0230.html ∈
Changes:  https://github.com/w3c/csswg-drafts/commit/f1b49466a8b20e20fce24808bd93535d9078c692
Open:     Accepted

Issue 35. #
Summary:  Make ruby positioning more precise (wrt use of font metrics)
From:     Shinyu Murakami
Comment:  https://lists.w3.org/Archives/Public/www-style/2015May/0241.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015May/0276.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2021Feb/0005.html ∈
Closed:   Accepted

Issue 36. #
Summary:  Disable white space collapsing between annotations
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jul/0091.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/1909
Response: https://github.com/w3c/csswg-drafts/issues/1909#issuecomment-771297932
Closed:   Rejected
Verified: https://github.com/w3c/csswg-drafts/issues/1909#issuecomment-774577618

Issue 37. #
Summary:  ruby annotation container of inter-character ruby should be zero-sized
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Mar/0118.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/5994
Open

Issue 38. #
Summary:  Invisible styles of annotation container interfere with annotation layout
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Mar/0181.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2021Feb/0006.html ∈
Closed:   Invalid

Issue 39. #
Summary:  writing-mode should not apply to internal ruby elements
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jul/0165.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jul/0245.html ∈
Closed:   Accepted

Issue 40. #
Summary:  Example image for bopomofo inter-character ruby
From:     Richard Ishida
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Aug/0241.html ∈
Closed:   Accepted

Issue 41. #
Summary:  UTR50 needs to handle bopmofo tone marks correctly
From:     Xidorn Quan & fantasai
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Aug/0269.html ∈
Response: https://github.com/w3c/csswg-drafts/issues/1916
Open:     Submitted to Unicode

Issue 42. #
Summary:  Minimum font-size should not apply to ruby
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Aug/0150.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Sep/0001.html ∈
Response: https://github.com/w3c/csswg-drafts/issues/1917
Open:     Accepted
Verified: https://github.com/w3c/csswg-drafts/issues/1917#issuecomment-771546698
Resolved: Editor Discretion

Issue 43. #
Summary:  ruby tests
From:     Richard Ishida
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Aug/0239.html ∈
Note:     Added link to spec as the spec's test suite
Closed:   Not an issue

Issue 44. #
Summary:  Rename 'collapse' to 'merge'
From:     Richard Ishida
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Sep/0271.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/5004
Closed:   Accepted
Verified: https://github.com/w3c/csswg-drafts/issues/5004#issuecomment-774189380
Resolved: https://lists.w3.org/Archives/Public/www-style/2020May/0008.html ∈

Issue 46. #
Summary:  jukugo-specific value for ruby-merge
From:     Richard Ishida
Comment:  https://www.w3.org/mid/56042A19.7080709@w3.org ⎆
Comment:  https://github.com/w3c/csswg-drafts/issues/784
Response: https://github.com/w3c/csswg-drafts/issues/784#issuecomment-771369062
Response: https://github.com/w3c/csswg-drafts/issues/784#issuecomment-771460887
Closed:   Invalid
Verified: https://github.com/w3c/csswg-drafts/issues/784#issuecomment-774182189
Resolved: Editorial

Issue 47. #
Summary:  Details of ruby + text-decoration interaction (block-axis)
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jun/0340.html ∈
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Jun/0360.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/1918
Open

Issue 48. #
Summary:  Custom auto-hiding rules
From:     Patrick Dark
Comment:  https://lists.w3.org/Archives/Public/www-style/2016Dec/0108.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2021Feb/0007.html ∈
Note:     https://github.com/w3c/csswg-drafts/issues/5927
Note:     https://github.com/w3c/csswg-drafts/issues/5995
Closed:   Deferred

Issue 49. #
Summary:  Details of ruby + text-decoration interaction (inline-axis)
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Feb/0096.html ∈
From:     Patrick Dark
Comment:  https://lists.w3.org/Archives/Public/www-style/2016Dec/0106.html ∈
Comment:  https://github.com/w3c/csswg-drafts/issues/5996
Open

Issue 50. #
Summary:  auto-hidden ruby vs text-emphasis position
From:     Xidorn Quan
Comment:  https://lists.w3.org/Archives/Public/www-style/2015Nov/0193.html ∈
Response: https://lists.w3.org/Archives/Public/www-style/2017Oct/0036.html ∈
Closed:   Accepted
Verified: https://lists.w3.org/Archives/Public/www-style/2017Oct/0037.html ∈

Issue 51. #
Summary:  Audit vs Kobayashi-sensei's Simple Placement of Ruby
From:     Florian Rivoal
Comment:  https://lists.w3.org/Archives/Public/www-style/2018Apr/0006.html ∈
Open