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Re: Kynn's Last Call Comments on CSS TV Profile 1.0

From: Tantek Çelik <tantek@cs.stanford.edu>
Date: Sun, 16 Jun 2002 21:17:18 -0700
To: fantasai <fantasai@escape.com>, www-style@w3.org
Message-id: <B932B0DE.E602%tantek@cs.stanford.edu>

On 6/14/02 3:33 PM, "fantasai" <fantasai@escape.com> wrote:

> 
> Tantek Çelik wrote:
>> 
>> On 5/23/02 1:42 PM, "Kynn Bartlett" <kynn@idyllmtn.com> wrote:
>>> 
>>> Section 6 of the proposal states that:
>>> 
>>>     4.  The TV-UA SHALL support author originating style sheets.
>>>         The TV-UA MAY support user or user-agent originating
>>>         style sheets.
>>> 
>>> User and user-agent style sheets are essential to ensuring equal
>>> access to CSS-based documents by people with disabilities, and are
>>> a critical part of the cascade. The word MAY should be replaced by
>>> SHALL.
>> 
>> I agree that user style sheets are very beneficial to the user, but
>> typically this is true only on devices such as desktop computers that have a
>> keyboard etc. In fact, UAAG 1.0 explicitly recognizes this appropriate
>> targeting for itself, and states it clearly[2].
> 
> If the device allows any sort of user preferences that affect the
> rendering of a page, such as choosing link colors, these are
> considered part of the user stylesheet whether or not they are
> implemented as a style sheet.
> 
> CSS2:6.4 - "the user agent may provide an interface that
>           generates a user style sheet (or behave as
>           if it did)"
> 
> CSS2 requires a user agent to have a UA stylesheet for the document
> or to behave as if it did. There's no reason to change this for any
> device; a stylesheet /can/ be blank. And I'm sure any UA that claims
> to read HTML will have, or behave as if it had, a default user agent
> stylesheet.
> 
> CSS2:6.4 - "Conforming user agents must apply a default
>           style sheet (or behave as if they did) prior
>           to all other style sheets for a document."
> 
> I conclude that all of CSS2:6.4 can be applied to the TV profile as
> it stands.

Agreed on both counts.

Tantek
Received on Monday, 17 June 2002 00:11:08 GMT

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