W3C home > Mailing lists > Public > www-style@w3.org > November 2007

Re: Parsing media queries

From: fantasai <fantasai.lists@inkedblade.net>
Date: Wed, 14 Nov 2007 16:45:20 -0500
Message-ID: <473B6C70.4030409@inkedblade.net>
To: Christof Hoeke <csad7@t-online.de>
CC: W3C Style List <www-style@w3.org>

Christof Hoeke wrote:
> Henri Sivonen wrote:
>> On Nov 14, 2007, at 19:14, fantasai wrote:
>>> Henri Sivonen wrote:
>>>> Case-insensitivity would be ASCII case-insensitivity, right? That 
>>>> is, "HEIGHT" should count as "height" but "HEÄ°GHT" shouldn't.
>>> I would normatively reference the appropriate section of Unicode on
>>> default case mappings (not locale-dependent mappings), but since media
>>> queries are all ASCII anyway, ASCII case-insensitivity is fine. :)
>> The spec needs to say which treatment it wants. I tend to prefer 
>> ASCII-case-insensitivity when the canonical language tokens are 
>> ASCII-only, but I'm not sure what the convention in CSS 
>> implementations is.
> Does it really make sense to make a special case just for media queries? 
> As far as I understand the CSS specs until now things like @media, 
> !imporant, color, red are *all* IDENTs which may contain CSS escapes. If 
> I understand the proposition of this thread right it is suggested to 
> make a special exception just for keyword "all" "print" etc in this 
> case? Does it not make problems for existing implementations which use 
> something like
>     @media all {...}
>     @media a\ll {...}
>     @media \61 ll {...}
> as equivalent?
> Sorry if I misunderstand the issue but I just saw the whole thread and 
> am a bit out of context...

Escapes would be allowed when media queries are used in CSS. The question
is what happens when media queries are used elsewhere, for example in

Received on Wednesday, 14 November 2007 21:45:34 UTC

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