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Re: [1.2T-LC] Comments on Last Call WD of SVG T1.2 (ISSUE-2130)

From: Robin Berjon <robin@berjon.com>
Date: Mon, 3 Nov 2008 11:27:38 +0100
Cc: cyril.concolato@telecom-paristech.fr, www-svg@w3.org
Message-Id: <BD1990C2-0265-4FBB-A703-EFF9CCF2AAA8@berjon.com>
To: Doug Schepers <schepers@w3.org>

On Nov 2, 2008, at 18:23 , Doug Schepers wrote:
> I've fixed this now.  Both 'id' and 'xml:id' are "<NCName>", and we've
> removed the conditionality of the type (we now say that you shouldn't
> mix-and-match 'xml:id' and 'id').  In any case, Relax NG does not  
> modify
> the infoset (by design), so it can't (or shouldn't) be used to impose
> ID-ness on attributes.

Bzzzzzt. Those two aspects are not necessarily linked. RelaxNG can and  
does provide identity checking as explained in the "RELAX NG DTD  
Compatibility" specification, it simply is not required to do anything  
but check that the name is unique (the infoset needn't be augmented as  
a result).

It is therefore perfectly fine to rely on RelaxNG to impose ID  
constraints. There were rumours of the RelaxNG team getting together  
to work on a more powerful framework for assigning identity but that  
was years ago so I think we can discount that now.

-- 
Robin Berjon - http://berjon.com/
     Feel like hiring me? Go to http://robineko.com/
Received on Monday, 3 November 2008 10:28:50 GMT

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