[Webkit-unassigned] [Bug 218791] New: Allow more properties for ::marker pseudo-element

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=218791

            Bug ID: 218791
           Summary: Allow more properties for ::marker pseudo-element
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: graouts at webkit.org

The implementation of isValidMarkerStyleProperty() in PropertyCascade.cpp only supports a small list of properties from an old Editor's draft (25 July 2017). The latest draft (https://drafts.csswg.org/css-lists-3/#marker-properties as of this writing) now says this:

    3.1.1. Properties Applying to ::marker

    All properties can be set on a ::marker pseudo-element and will have a computed value; however, only the following CSS properties actually apply to a marker box:

    - the text-combine-upright, unicode-bidi, and direction properties
    - the content property
    - all animation and transition properties

We should update our implementation to match this.

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