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Re: [shadowdom]: Using :root to specify the insertion point in ::distributed

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Wed, 27 Mar 2013 08:25:50 -0700
Message-ID: <CAAWBYDDGQd8vZHwteDgnbOpcr6Cp+AbnibRKBvbpQDfO=h9ncg@mail.gmail.com>
To: Hayato Ito <hayato@google.com>
Cc: Dimitri Glazkov <dglazkov@google.com>, "www-style@w3.org" <www-style@w3.org>, Steve Orvell <sorvell@google.com>
On Tue, Mar 26, 2013 at 8:55 PM, Hayato Ito <hayato@google.com> wrote:
> I have one concern for the naming of ':root'.
> I am afraid that It might be misleading that ':root' matches
> 'top-level elements in the distributed set' rather than 'insertion
> point' itself.
> There are multiple such roots. That's not intuitive for me. ':root' is
> likely to imply 'insertion point' itself because it's *root* of such
> elements.
> So instead of reusing ':root' in this context, how about having a more
> intuitive name, like ':child-of-shadow-host' or something?

The issue with that is that we run into the exact same problem with
::shadow() - if you want to select only the top-level elements inside
of a shadow root, what selector do you use?  Do we invent *another*
pseudoclass that's identical except for the name?

I'm personally okay with :root meaning "an element without a parent in
this view of the tree".

Received on Wednesday, 27 March 2013 15:26:37 UTC

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