[Bug 22980] [Shadow]: shadowRoot styles should not match the host element

https://www.w3.org/Bugs/Public/show_bug.cgi?id=22980

--- Comment #4 from Tab Atkins Jr. <jackalmage@gmail.com> ---
There's no sane way to make host styleable only when you specifically want it
without violating Selector semantics, as we found out earlier.  Saying that
only :host can match a host element violates Selector semantics, because
pseudo-classes are just impl-defined classes; that is, they merely filter the
available elements, they don't add new elements to the set. :/

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Received on Friday, 16 August 2013 17:03:25 UTC