[Bug 21924] [Shadow]: Remove pseudo-classes/elements from selector fragments

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21924

--- Comment #2 from Jonas Sicking <jonas@sicking.cc> ---
Rhe first list in "4.3 Matching Insertion Points" is really hard to understand.
I think I know what it's trying to say, but I don't understand how it's trying
to say it.

I wish there was some way to simply say that we're matching against the
elements that are being inserted into that shadow tree, and that the
comma-separated "compound selectors" are matched against those elements. I.e.
express it in terms of pattern matching rather than selecting. But I don't know
if CSS has that vocabulary.

Something else that I realized is that we can, and probably should, allow the
negation pseudo-class. But the contents of that pseudo class must still be the
same types of selectors that we normally require.

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Received on Wednesday, 8 May 2013 18:58:57 UTC