W3C home > Mailing lists > Public > www-validator@w3.org > April 2007

Re: xmlns attributes...

From: olivier Thereaux <ot@w3.org>
Date: Mon, 30 Apr 2007 12:09:59 -0400
Message-Id: <AD26DDE2-F763-434B-BF35-D5D73124C2B3@w3.org>
Cc: www-validator Community <www-validator@w3.org>
To: Shane McCarron <shane@aptest.com>

Hi Shane,

On Apr 27, 2007, at 23:45 , Shane McCarron wrote:
> I had an action item from the XHTML Working Group and the RDF task  
> force to find some way to validate documents that declare  
> additional namespaces without resorting to the "internal subset  
> trick" that was enabled by XHTML Modularization.  I have submitted  
> a patch against version 0.8.0 of the validator, attaching it to the  
> relevant bug already in the issue tracking system [1].

Thanks a lot for looking into this. I wish the relation between XML  
DTDs and XML Namespace were a little less complicated, which would  
make this hacking of the validator unnecessary, but I am afraid this  
is a necessary evil :/

> This is not really complete - I think I need to understand if there  
> are contexts where this option should NOT be enabled.  Currently,  
> the patch just enables it all the time.

I modified your patch a little, enabling the filtering of xmlns:  
attributes only in XML mode (see [2]) but other than that it looks good.

Note that it does not make the validator entirely namespace-friendly,  
notably, it does NOT solve the question of validating documents with  
elements from a foreign namespace. Such a change would involve  
ignoring  all elements declaring to be from a namespace unknown to  
the document type, and their children.

> I look forward to comments on this potential change to the validator.

The patch is in CVS now [3], will be in next public beta of the  

[1] http://www.w3.org/Bugs/Public/show_bug.cgi?id=800
[2] http://www.w3.org/Bugs/Public/show_bug.cgi?id=800#c7
[3] http://lists.w3.org/Archives/Public/www-validator-cvs/2007Apr/ 

Received on Monday, 30 April 2007 16:10:18 UTC

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