[Webkit-unassigned] [Bug 248383] [meta] Get rid of CSS property implicit flag

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Feb 10 08:17:16 PST 2023


https://bugs.webkit.org/show_bug.cgi?id=248383

--- Comment #4 from Darin Adler <darin at apple.com> ---
We will need to keep the “implicit initial” concept even when we get rid of the implicit flag, because it turns out that using that CSSValue rather than actually creating the initial value CSSValue was an accidental but important performance optimization. However, we could rename it something different like “initial value placeholder”. Another alternative would be to change it to be represented by a null pointer rather than an actual CSSValue, which I’m sure would achieve a similar performance optimization.

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