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Re: ISSUE-2363 (image stroke): Reconcile 'stroke' presentation attributes on <image> [SVG 1.1 F2 Last Call]

From: Erik Dahlstrom <ed@opera.com>
Date: Tue, 24 Aug 2010 15:39:16 +0200
To: public-svg-wg@w3.org
Message-ID: <op.vhx2vn08geuyw5@localhost>
On Tue, 24 Aug 2010 06:14:56 +0200, Cameron McCormack <cam@mcc.id.au>  
wrote:

> SVG Working Group Issue Tracker:
>> The definition of <image> in SVG 1.1, under "Presentation Attributes"
>> list the various 'stroke' attributes.
>>
>>  http://www.w3.org/TR/SVG/struct.html#ImageElement
>>
>> I think this is a change from SVG 1.1. We should either remove them,
>> or change SVG to allow stroke.
>
> One of the changes we made in Second Edition was to make all
> presentation attributes be valid to specify on all stylable elements.
>
>   http://dev.w3.org/SVG/profiles/1.1F2/publish/changes.html#WholeDocument
>
> The blue element summary boxes list the attributes that can be validly
> specified on the elements.  This is not to say that it will have an
> effect on the rendering.  It will have an effect on the element’s
> computed style, however.
>
> (There is after all no way to prevent the stroke properties from being
> set on an <image> due to a style="" attribute or a matching selector
> from a style sheet.  These will still have no effect on the rendering of
> the element, but will be reflected in the element’s computed style if
> looked up with script.)

I think Cameron's reasoning makes sense. It's quite clear from the  
'stroke' property definition that it only "applies to" certain elements  
(<image> isn't one of them).

IMHO the spec we have right now is much more readable than the DTD (or DTD  
snippets), which was what we had before.

Cheers
/Erik

-- 
Erik Dahlstrom, Core Technology Developer, Opera Software
Co-Chair, W3C SVG Working Group
Personal blog: http://my.opera.com/macdev_ed
Received on Tuesday, 24 August 2010 13:39:50 UTC

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