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Re: [XBL] CSS support for XBL 2.0 user agents: Yes or no?

From: Ian Hickson <ian@hixie.ch>
Date: Fri, 6 Oct 2006 01:20:42 +0000 (UTC)
To: karl@w3.org
Cc: public-appformats@w3.org
Message-ID: <Pine.LNX.4.62.0610060111390.19875@dhalsim.dreamhost.com>

On Thu, 5 Oct 2006 karl@w3.org wrote:
># XBL user agents that do not support CSS should not render the XBL 
># elements.
> Though earlier in the specification, it is said:
># The element attribute of the binding element and the includes attribute 
># of the content element, if specified, must be parsed according to the 
># rules in the Selectors specification. [SELECTORS]

I do not understand the reference to the part of the specification that 
mentions Selectors above. What about it?

> The XBL 2 specification has to define what "do not support CSS" means. 
> Which level, and/or which individual modules?

It doesn't really matter -- the specification gives two options, one for 
CSS-aware UAs, and one for CSS-unaware UAs. Whether or not a particular UA 
supports CSS or not is up to the UA's vendor, really; the result either 
way as far as XBL is concerned is the same. Basically this is just 
requiring a behaviour and then describing it in terms of CSS, so that it 
can be overridden in CSS contexts.

Let me know if this doesn't satisfy you.

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Friday, 6 October 2006 01:20:53 UTC

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