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Re: [css3-mediaqueries][mediaqueries4] "never necessary to apply the style sheet in order to evaluate expressions."

From: Florian Rivoal <florian@rivoal.net>
Date: Sat, 09 Nov 2013 17:43:41 +0100
To: www-style@w3.org, "Simon Sapin" <simon.sapin@exyr.org>
Message-ID: <op.w6aje3swf5de51@localhost.localdomain>
On Fri, 01 Mar 2013 14:58:36 +0100, Simon Sapin <simon.sapin@exyr.org>  
wrote:

> Both levels have the same paragraph at the end of section 2:
>
>> To avoid circular dependencies, it is never necessary to apply the
>> style sheet in order to evaluate expressions. For example, the aspect
>> ratio of a printed document may be influenced by a style sheet, but
>> expressions involving ‘device-aspect-ratio’ will be based on the
>> default aspect ratio of the user agent.
>
>
> This is not the case anymore. @viewport rules do influence MQs:
> http://dev.w3.org/csswg/css-device-adapt/#media-queries
>
>
> We’re discussing doing something similar in css3-page, which would make  
> even the example quoted above wrong.
>
> At least the word "never" needs to be changed in Level 4, but I would be  
> in favor of rewriting the whole paragraph and errata the Level 3 REC.
> Proposed wording:
>
>      Unless otherwise specified, it is not necessary to apply
>      stylesheets in order to evaluate expressions.
>
>      <p class=note>Note: CSS Device Adaptation [[CSS-DEVICE-ADAPT]]]
>      defines how '@viewport' rules interact with Media Queries.

Sorry for failing to respond when you sent that mail. I agree with your  
suggestion,
and have updated MQ4.

Chairs, do we need to backport this to the Errata for Media queries 3?

- Florian
Received on Saturday, 9 November 2013 16:44:05 UTC

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