[Bug 20186] [Custom]: Add a CSS pseudo to distinguish between upgraded, custom elements

https://www.w3.org/Bugs/Public/show_bug.cgi?id=20186

--- Comment #3 from Daniel Buchner <danieljb2@gmail.com> ---
(In reply to comment #2)
> Right now, there's
> http://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/custom/index.
> html#unknown-element-pseudoclass.
> 
> This should give you the ability to style anything that hasn't upgraded yet.
> For example, if you have x-foo element:
> 
> x-foo:unknown <-- matches before upgrade
> x-foo <-- matches upgraded

Gosh, I must have overlooked that. In that case, the bases seem covered!

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Received on Monday, 3 December 2012 17:43:13 UTC