Does `::details-content::before::marker` support?

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Daniil Sakhapov <sakha...@chromium.org> 于2024年11月21日周四 18:31写道:

> Added now in https://github.com/web-platform-tests/wpt/pull/49292
>
> понедельник, 18 ноября 2024 г. в 08:38:56 UTC+1, Domenic Denicola:
>
>> Any updates on getting a proper web platform test for this feature?
>>
>>
>>
>> On Thursday, November 14, 2024 at 2:55:42 AM UTC+9 Daniil Sakhapov wrote:
>>
>>> Re: TAG review - we'll have a general TAG review for Carousel project,
>>> I'll include nested pseudos there.
>>> Re tests: I'll add nested markers styling WPT tests.
>>> Re getComputedStyle: thanks for pointing it out, I'll follow the issue
>>> since you've marked it as Agenda+
>>> Re debuggability: I need to work with DevTools team to properly support
>>> displaying nested markers here, so won't ship without it.
>>>
>>> среда, 13 ноября 2024 г. в 17:45:32 UTC+1, Chris Harrelson:
>>>
>>>> LGTM2
>>>>
>>>> On Wed, Nov 13, 2024 at 8:09 AM Mike Taylor <miketa...@chromium.org>
>>>> wrote:
>>>>
>>>>> LGTM1 % requesting the debuggability bit in your chromestatus entry.
>>>>> On 11/7/24 11:39 AM, obr...@igalia.com wrote:
>>>>>
>>>>> While
>>>>> https://wpt.fyi/css/css-pseudo/marker-font-variant-numeric-normal.html
>>>>> uses nested ::marker, it's not the main point of the test.
>>>>> In fact I was thinking of editing that test to allow it to pass on
>>>>> implementations that do not support nested ::marker, but never got to do 
>>>>> it.
>>>>> So I think you should add tests specifically for this.
>>>>>
>>>>> Also, I don't recall whether the flag allowed nested pseudo-elements
>>>>> in getComputedStyle, but I tend to think it should.
>>>>> See https://github.com/w3c/csswg-drafts/issues/4456, it may need a
>>>>> quick CSSWG resolution to align with what was resolved for web animations.
>>>>>
>>>>> -- Oriol Brufau
>>>>>
>>>>> El dia dimecres, 6 de novembre del 2024 a les 13:55:58 UTC,
>>>>> sakh...@chromium.org va escriure:
>>>>>
>>>>>> Contact emails sakh...@chromium.org
>>>>>>
>>>>>> Explainer Nested pseudo elements styling allows to style
>>>>>> ::before::marker and ::after::marker pseudo elements and will be 
>>>>>> essential
>>>>>> to style ::column::scroll-marker pseudo elements for the carousel 
>>>>>> project (
>>>>>> https://github.com/flackr/carousel/tree/main/fragmentation).
>>>>>>
>>>>>> Specification https://www.w3.org/TR/css-pseudo-4/#marker-pseudo
>>>>>>
>>>>>> Summary
>>>>>>
>>>>>> Allows to style pseudo elements that are nested inside other pseudo
>>>>>> elements. So far, support is defined for: ::before::marker 
>>>>>> ::after::marker
>>>>>> With ::column::scroll-marker being supported in the future.
>>>>>>
>>>>>> Blink component Blink>CSS
>>>>>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ECSS>
>>>>>>
>>>>>> TAG review None
>>>>>>
>>>>>> TAG review status Not applicable
>>>>>>
>>>>>> Risks
>>>>>>
>>>>>> Interoperability and Compatibility
>>>>>>
>>>>>> None
>>>>>>
>>>>>> *Gecko*: No signal (
>>>>>> https://github.com/mozilla/standards-positions/issues/1109)
>>>>>>
>>>>>> *WebKit*: No signal (
>>>>>> https://github.com/WebKit/standards-positions/issues/425)
>>>>>>
>>>>>> *Web developers*: No signals
>>>>>>
>>>>>> Will this feature be supported on all six Blink platforms (Windows,
>>>>>> Mac, Linux, ChromeOS, Android, and Android WebView)? Yes
>>>>>>
>>>>>> Is this feature fully tested by web-platform-tests
>>>>>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
>>>>>> ? Yes
>>>>>>
>>>>>> https://wpt.fyi/css/css-pseudo/marker-font-variant-numeric-normal.html
>>>>>> ::column::scroll-marker tests are in wpt_internal for now
>>>>>>
>>>>>>
>>>>>> Flag name on about://flags CSSNestedPseudoElements
>>>>>>
>>>>>> Requires code in //chrome? False
>>>>>>
>>>>>> Tracking bug https://issues.chromium.org/issues/373478544
>>>>>>
>>>>>> Estimated milestones
>>>>>> DevTrial on desktop 131
>>>>>> DevTrial on Android 131
>>>>>>
>>>>>> Anticipated spec changes
>>>>>>
>>>>>> Open questions about a feature may be a source of future web compat
>>>>>> or interop issues. Please list open issues (e.g. links to known github
>>>>>> issues in the project for the feature specification) whose resolution may
>>>>>> introduce web compat/interop risk (e.g., changing to naming or structure 
>>>>>> of
>>>>>> the API in a non-backward-compatible way).
>>>>>> None
>>>>>>
>>>>>> Link to entry on the Chrome Platform Status
>>>>>> https://chromestatus.com/feature/5199947786616832?gate=5142809487867904
>>>>>>
>>>>>> This intent message was generated by Chrome Platform Status
>>>>>> <https://chromestatus.com/>.
>>>>>>
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>>>>> .
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>>>>>
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