[CSS21] [css3-selectors] Default Attribute Values

[fantasai]

The specs currently say that the UA is "not required to" match against
default attribute values. It's unclear whether the UA "may" match against
them or is "required not to" match against them.

   http://www.w3.org/TR/CSS21/selector.html#default-attrs
   http://www.w3.org/TR/css3-selectors/#def-values

~fantasai

[Giovanni Campagna]

2009/11/3 fantasai <fantasai.lists@...>:
> The specs currently say that the UA is "not required to" match against
> default attribute values. It's unclear whether the UA "may" match against
> them or is "required not to" match against them.

I'd like it to say that the UA is "required to match against the
current attribute value, which may include default attribute values if
the source document has been modified by other means (DTD, XMLSchema,
knowledge of the namespace)"
This is similar to *may*, but the dependence is not on the UA
implementing CSS differently, instead is on the choice between
non-validating and validating processing and infoset (DOM / ESIS)

>  http://www.w3.org/TR/CSS21/selector.html#default-attrs
>  http://www.w3.org/TR/css3-selectors/#def-values
>
> ~fantasai
>
>

Giovanni

[Anne van Kesteren-2]

On Tue, 03 Nov 2009 05:37:49 -0800, Giovanni Campagna  
<scampa.giovanni@...> wrote:

> 2009/11/3 fantasai <fantasai.lists@...>:
>> The specs currently say that the UA is "not required to" match against
>> default attribute values. It's unclear whether the UA "may" match  
>> against them or is "required not to" match against them.
>
> I'd like it to say that the UA is "required to match against the
> current attribute value, which may include default attribute values if
> the source document has been modified by other means (DTD, XMLSchema,
> knowledge of the namespace)"
> This is similar to *may*, but the dependence is not on the UA
> implementing CSS differently, instead is on the choice between
> non-validating and validating processing and infoset (DOM / ESIS)
>
>>  http://www.w3.org/TR/CSS21/selector.html#default-attrs
>>  http://www.w3.org/TR/css3-selectors/#def-values

I don't think we have to say anything about this at all. Selectors match  
against the resulting tree. What the resulting tree looks like is not up  
to Selectors.


--
Anne van Kesteren
http://annevankesteren.nl/

[fantasai]

fantasai wrote:
> The specs currently say that the UA is "not required to" match against
> default attribute values. It's unclear whether the UA "may" match against
> them or is "required not to" match against them.
>
>   http://www.w3.org/TR/CSS21/selector.html#default-attrs
>   http://www.w3.org/TR/css3-selectors/#def-values

I have made the following changes:
   http://dev.w3.org/cvsweb/csswg/selectors3/Overview.html.diff?r1=1.66&r2=1.67&f=h

~fantasai