Hi,
I noticed the "motivation" was removed from the email draft generated by
chromestatus. So let's put it here:
"The "-webkit-standard" name is used internally to describe a default
font family that can be configured via a user preference. It's
implicitly used internally (e.g. for initial or fallback font) or
explicitly by authors via the proprietary name "-webkit-body". However
because of how this is implemented, authors can also just specify
"-webkit-standard" and obtain similar web-exposed behavior. Removing
special behavior for these proprietary value will improve alignment with
the CSS specifications and Firefox."
Just to make sure we are all on the same page, this intent is to remove
this special behavior for explicit "-webkit-standard" families. The
internal use for default/fallback fonts as well as support for
"-webkit-body" are out of the scope of this intent.
Le 16/11/2021 à 15:46, Frédéric Wang a écrit :
Contact emails
fw...@igalia.com <mailto:fw...@igalia.com>, ssin...@igalia.com
<mailto:ssin...@igalia.com>
Explainer
None
Specification
https://drafts.csswg.org/css-fonts-4/#font-family-prop
<https://drafts.csswg.org/css-fonts-4/#font-family-prop>
Summary
Remove support for the font-family value "-webkit-standard". This
essentially behaves as an alias to the proprietary keyword
"-webkit-body" and is only exposed as historical implementation
details inherited from WebKit.
Blink component
Blink>Fonts
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink>Fonts>
TAG review
TAG review status
Not applicable
Risks
Interoperability and Compatibility
This will make Blink more aligned with the spec and with Firefox, but
no longer aligned with WebKit. Although not recommended, people can
continue to use the proprietary name "-webkit-body" to preserve
existing behavior. In March 2020, searching these strings on
HTTPArchive gave 2738 matches over ~5 millions (~0.05%). For better
accuracy, a use counter was added which is located at the place where
this generic name is actually tested and resolved to a more precise
name. This counter also excludes other internal uses of that string,
as mentioned above. On November 1st, reported measurement was ten
times smaller that HTTPArchive (~0.005%):
https://chromestatus.com/metrics/feature/timeline/popularity/3987
<https://chromestatus.com/metrics/feature/timeline/popularity/3987>
/Gecko/: Shipped/Shipping Firefox does not support this -webkit
prefixed value.
/WebKit/: Neutral
(https://github.com/web-platform-tests/wpt/pull/22512#discussion_r399764967
<https://github.com/web-platform-tests/wpt/pull/22512#discussion_r399764967>)
As a general rule, Apple is against removing features if that can
break things on the web or their platform. Myles C. Maxfield commented
that he is aware of the issue and don't think it's something desirable
that these values are web-exposed.
/Web developers/: No signals It's not clear whether developers are
actually aware of this behavior but it was used by a few pages (see
compat analysis).
/Other signals/:
Debuggability
font-family is exposed via usual CSS DevTools.
Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_platform_tests.md>?
Yes
Flag name
Requires code in //chrome?
False
Estimated milestones
No milestones specified
Link to entry on the Chrome Platform Status
https://www.chromestatus.com/feature/5639265565278208
<https://www.chromestatus.com/feature/5639265565278208>
This intent message was generated by Chrome Platform Status
<https://www.chromestatus.com>.
PS: For those interested in that one and other font-family stuff,
there will be a breakout session on day 2 of BlinkOn 15.
--
Frédéric Wang
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Frédéric Wang
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