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Re: [css3-multicol] 'column-rule-color' values, allowed and initial

From: Řyvind Stenhaug <oyvinds@opera.com>
Date: Fri, 19 Mar 2010 15:36:28 +0100
To: "www-style@w3.org" <www-style@w3.org>
Message-ID: <op.u9tj62t3ru61ud@oyvinds-desktop>
On Fri, 19 Mar 2010 00:35:38 +0100, Tab Atkins Jr. <jackalmage@gmail.com>  
wrote:

> On Thu, Mar 18, 2010 at 12:08 PM, Řyvind Stenhaug <oyvinds@opera.com>  
> wrote:
>> 1)
>> The value type of 'column-rule-color' is <color>, whereas the  
>> 'column-rule'
>> shorthand also accepts the 'transparent' keyword. Presumably the keyword
>> should be allowed in both cases? If so, the 'column-rule-color' entry  
>> could
>> say "<color> | transparent" and 'column-rule' could say
>> "<'column-rule-width'> || <'column-rule-style'> ||  
>> <'column-rule-color'>".
>
> This is likely simply a result of Multicol not explicitly depending on
> Colors Level 3, where transparent is a valid value for <color>.
>
> We had a discussion a few months ago about this, which didn't come to
> a conclusion that satisfied me, but essentially it was decided to just
> leave it with a reference to CSS2.1, but allow implementors to use the
> Colors Level 3 if they wished.  When Colors reaches an appropriate
> level on the Rec track, Multicol will have its reference updated.

Yes, it looks like the inconsistencies started when level 3 colors were  
introduced.

Then my suggestion still seems right, and when multicol updates its  
<color> reference to level 3, the " | transparent" part can be removed.

-- 
Řyvind Stenhaug
Core Norway, Opera Software ASA
Received on Friday, 19 March 2010 14:36:15 GMT

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