Bug 223814

Summary:	Support chaining tree-abiding pseudo elements after ::slotted()
Product:	WebKit	Reporter:	Tim Nguyen (:ntim) <ntim>
Component:	CSS	Assignee:	Nobody <webkit-unassigned>
Status:	NEW
Severity:	Normal	CC:	alanodaval, emilio, jeroen.zwartepoorte, kevin.flanagan, koivisto, rniwa, webkit-bug-importer, woodlxf00
Priority:	P2	Keywords:	InRadar
Version:	Safari 14
Hardware:	Unspecified
OS:	Unspecified
Bug Depends on:	178237
Bug Blocks:	148695

Tim Nguyen (:ntim)

Reported 2021-03-26 12:57:14 PDT

http://wpt.live/css/css-scoping/slotted-placeholder.html

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Radar WebKit Bug Importer

Comment 1 2021-03-26 12:57:34 PDT

<rdar://problem/75897956>

Tim Nguyen (:ntim)

Comment 2 2021-03-29 10:30:45 PDT

This is about other tree-abiding pseudos (before/after/marker/file-selector-button/placeholder) as well. Some `::slotted()` parsing WPT fail because of this.

Antti Koivisto

Comment 3 2021-10-28 02:30:55 PDT

178237 covered before/after/marker

Jeroen Zwartepoorte

Comment 4 2024-11-26 04:12:46 PST

Reproduction for `::slotted(input)::placeholder` working fine in Chromium & FF, but broken in WebKit: https://codepen.io/jpzwarte/pen/dPbybwx

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