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Re: Is "order" attribute of feConvolveMatrix required or not?

From: Erik Dahlstrom <ed@opera.com>
Date: Tue, 17 Feb 2009 12:05:03 +1100
To: robert@ocallahan.org, www-svg <www-svg@w3.org>
Message-ID: <op.upg1apgbgeuyw5@macbooked.local>
On Mon, 16 Feb 2009 08:27:25 +1100, Robert O'Callahan <robert@ocallahan.org> wrote:

> On Tue, Feb 12, 2008 at 2:02 PM, Robert O'Callahan  
> <robert@ocallahan.org>wrote:
>
>> http://www.w3.org/TR/SVG/filters.html#feConvolveMatrix says
>>
>>  order %NumberOptional  
>> <http://www.w3.org/TR/SVG/types.html#DataTypeNumberOptionalNumber>Number.datatype  
>> <http://www.w3.org/TR/SVG/types.html#DataTypeNumber>; #REQUIRED
>>
>>
>> But it also says
>> > If the attribute is not specified, the effect is as if a value of "3"
>> were specified.
>>
>> Is it required or not? Currently Gecko treats it as required.
>>
>
> Could we get a decision on this? It's causing interop problems.
> https://bugzilla.mozilla.org/show_bug.cgi?id=478570
>
> Rob

It's in the SVG 1.1 errata:

  http://www.w3.org/2003/01/REC-SVG11-20030114-errata#clarify-feconvolvematrix-order-attribute

...which changes the DTD to say that it's implied, not required.

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, 17 February 2009 01:19:56 GMT

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