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Re: This might be a stupid question...

From: Dean Jackson <dean@w3.org>
Date: Wed, 26 Jan 2005 12:53:39 +1100
Message-Id: <19977C66-6F3D-11D9-AF47-000D9358C980@w3.org>
Cc: www-svg@w3.org, Cameron McCormack <cam-www-svg@aka.mcc.id.au>
To: Thomas DeWeese <Thomas.DeWeese@Kodak.com>


On 26 Jan 2005, at 08:35, Thomas DeWeese wrote:

> Hi All,
>
>    Cameron just raised this to my attention again.  I don't
> think I actually followed what Dean had suggested the first time
> I read this.
>
>    I might agree that the document is in error, I would disagree
> on the reason.

Having read your response, I don't think we disagree at all :)

I think it was my wording that confused you. The reasons
you list are the same as I should have given, but I
summarised it as "blah blah blah *BAD*". My mistake :)

Dean

> I think it is a really bad idea to allow users to
> change the version attribute after the document has been loaded (or it
> should have no effect).  If you want to enable this you would have to
> specify what implementations are expected to do with existing
> references to DOM objects (do they lose the SVG 1.2 methods? Try that
> with a strongly typed language ;).  At the very least it would imply
> that the implementation would have to walk the DOM checking for
> elements or references that are now invalid (re-evaluate switches).
>
>    This just strikes me as an almost impossible to implement
> feature with almost no reason for existing.  Also given the
> issues with the Object model I have a hard time imagining any kind of
> consistent behavior across browsers/binding languages.
>
> Dean Jackson wrote:
>
>> No such thing as a stupid question. Only stupid people.
>> (I'm in that group)
>> On 14 Jan 2005, at 15:13, Cameron McCormack wrote:
>>> ...but what happens if you change the value of the version attribute 
>>> on
>>> the document element?
>>>
>>>   <svg xmlns="http://www.w3.org/2000/svg" version="1.2">
>>>     <solidColor solid-color="red"/>
>>>     <rect width="100%" height="100%"
>>>           onclick="document.documentElement.setAttributeNS(null, 
>>> 'version', '1.1')"/>
>>>   </svg>
>>>
>>> After clicking the rect, is the document in error?
>> My thinking is that it is error. This is the same
>> as a script adding an element that doesn't exist, or
>> as a child of an element that can't contain it, or
>> doing something else that is equally bad.
>
>
>
>> Do you agree?
>>>
>>> Also, while I'm talking about solidColor, what is the purpose of the
>>> stop element as a child of solidColor?  The schema says that it is
>>> allowed but I'm not sure why.
>> That's a mistake. It shouldn't be there.
>> Dean
Received on Wednesday, 26 January 2005 01:53:53 GMT

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