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CSS text-indent, line-height, word-spacing, letter-spacing #140

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fred-wang opened this issue Feb 22, 2019 · 2 comments
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CSS text-indent, line-height, word-spacing, letter-spacing #140

fred-wang opened this issue Feb 22, 2019 · 2 comments
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css/html5

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@fred-wang
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fred-wang commented Feb 22, 2019 •
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The following properties are known to cause spacing issues in MathML (e.g. when inherited from parent containers): text-indent, line-height, word-spacing, letter-spacing

Probably they should be reset in the user agent stylesheet as it is done in Gecko and WebKit.
Some old bugs:
https://bugs.webkit.org/show_bug.cgi?id=106600
https://bugs.webkit.org/show_bug.cgi?id=155433
https://bugzilla.mozilla.org/show_bug.cgi?id=1187673

cc @rwlbuis

"* Inheriting the following properties can cause excessive spacing of
mathematical formulas: text-indent, line-height, word-spacing,
letter-spacing."
original report: https://lists.w3.org/Archives/Public/www-math/2016Jul/0025.html

https://trac.webkit.org/browser/trunk/Source/WebCore/css/mathml.css
https://dxr.mozilla.org/mozilla-central/source/layout/mathml/mathml.css
@NSoiffer NSoiffer mentioned this issue May 6, 2019
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@fred-wang
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consensus from 2020/06/29: reset to initial in UA sheet

fred-wang referenced this issue Jul 3, 2020
@fred-wang
Add UA sheet rules for font-style, font-weight, text-intent, line-hei…
108ce59 
…ght, word-spacing, letter-spacing

https://github.com/mathml-refresh/mathml/issues/34
w3c/mathml#36
fred-wang referenced this issue in web-platform-tests/wpt Jul 6, 2020
@fred-wang
Add mathml test to check default UA sheet values on the <math> root
af6fe9e 
https://github.com/mathml-refresh/mathml/issues/34
w3c/mathml#36
@fred-wang fred-wang mentioned this issue Jul 6, 2020
Merged
fred-wang referenced this issue in web-platform-tests/wpt Jul 6, 2020
@fred-wang
Add mathml test to check default UA sheet values on the <math> root (#…
88c94b9 
…24459)

https://github.com/mathml-refresh/mathml/issues/34
w3c/mathml#36
moz-v2v-gh referenced this issue in mozilla/gecko-dev Jul 10, 2020
@fred-wang @moz-wptsync-bot
Bug 1650805 [wpt PR 24459] - Add mathml test to check default UA shee…
2df1923 
…t values on the <math> root, a=testonly

Automatic update from web-platform-tests
Add mathml test to check default UA sheet values on the <math> root (#24459)

https://github.com/mathml-refresh/mathml/issues/34
w3c/mathml#36
--

wpt-commits: 88c94b95633fbd9e664d9d96da28953a8108881a
wpt-pr: 24459
xeonchen referenced this issue in xeonchen/gecko Jul 10, 2020
@fred-wang @moz-wptsync-bot
Bug 1650805 [wpt PR 24459] - Add mathml test to check default UA shee…
f91cbca 
…t values on the <math> root, a=testonly

Automatic update from web-platform-tests
Add mathml test to check default UA sheet values on the <math> root (#24459)

https://github.com/mathml-refresh/mathml/issues/34
w3c/mathml#36
--

wpt-commits: 88c94b95633fbd9e664d9d96da28953a8108881a
wpt-pr: 24459
@davidcarlisle davidcarlisle transferred this issue from w3c/mathml Mar 30, 2022
@fred-wang
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This is specified in MathML Core and tested by default-properties-on-the-math-root.html

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