[Bug 24872] [Shadow]: Consider adding back at least :first-of-type to valid matching criteria

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24872

--- Comment #7 from Hayato Ito <hayato@chromium.org> ---
Let me add a support for pseudo-classes in the matching criteria.

Please feel free to re-open this issue if you have further objections.

- I guess lack of pseudo-classes support in the matching criteria in the spec
is  simply a kind of mistake of the spec editors. That should have been there.
- In blink, we've successfully supported structural pseudo classes with
zero-overhead in theory.

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Received on Thursday, 13 March 2014 06:59:11 UTC