Summary:
Adding a new `auto` value as the initial value of CSS `quotes` property,
with the behavior that language-sensitive quotation marks (derived from
CLDR) are used for quote-open/close generated content.
Bug:
https://bugzilla.mozilla.org/show_bug.cgi?id=1421938
Standard:
https://drafts.csswg.org/css-content-3/#quotes (not yet updated to
reflect recent WG resolution)
https://html.spec.whatwg.org/multipage/rendering.html#quotes
Platform coverage:
All
Preference:
None, enabled globally.
DevTools bug:
None, the new value is automatically exposed in devtools
Other browsers:
Both webkit and blink have long shipped similar language-sensitive
quote-mark behavior as a "magic" initial value of the `quotes` property
(not serializable/round-trippable).
The CSS WG resolved to add `auto` as the name of this "magic" value in
https://github.com/w3c/csswg-drafts/issues/4074.
web-platform-tests:
Collection of WPT reftests included in the bug. Many are based on
pre-existing W3C i18n tests (not run in CI).
Secure contexts:
No; additional value for existing CSS property, needed in all contexts
for interoperability with other browsers that already have this behavior
by default.
Is this feature enabled by default in sandboxed iframes?
Yes.
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