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Re: Validation issue with the xsi namespace

From: Stephane Corlosquet <stephane.corlosquet@deri.org>
Date: Mon, 26 Jan 2009 13:35:21 +0000
Message-ID: <497DBC19.8010008@deri.org>
To: Toby A Inkster <tai@g5n.co.uk>
CC: RDFa <public-rdf-in-xhtml-tf@w3.org>

Hi,

Thanks Christophe, Shane and Toby for your informative answers.
> Hmm, I hope it's not getting to philosophical now ;-)  I'm sure it's
> no longer
> related to Stéphane's original question
It is still related! More questions now. I assume that the xsd prefix
http://www.w3.org/2001/XMLSchema follows the same rule and should be
declared:
xmlns:xsd="http://www.w3.org/2001/XMLSchema"

If the W3C validator returns an error when the xsi XML namespace is not
well defined, then I would expect the same for the xsd XML namespace.
However both
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
validate in XHTML+RDFa. Is that intended? The xsi prefix namespace seems
to be hard coded in the validator, as I'm not able to define a different
URI for xsi. However it seems there is no such restriction for xsd.

regards,
Stéphane.


Toby A Inkster wrote:
>
> Christoph Lange wrote:
>
>> Hmm, I hope it's not getting to philosophical now ;-)  I'm sure it's
>> no longer
>> related to Stéphane's original question, but nevertheless let me ask:
>> Wouldn't
>> it, in some cases, be reasonable to make XML namespace URIs usable as
>> vocabulary URIs?  What URI would, e.g., the xhtml:h1 element have if you
>> wanted to talk about it in RDF like …
>>
>> xhtml:h1
>>     a :XHTMLElement ;
>>     :content :text ;
>>     ... .
>
> Actually I had a very similar need. The choice was between using the
> XHTML namespace as-is, which would result in funny looking URIs like
> <http://www.w3.org/1999/xhtmlh1>; tacking an extra '#' on to the XHTML
> namespace; or defining my own URIs for XHTML elements.
>
> In the end, I opted for the third solution:
>
>     http://buzzword.org.uk/rdf/xhtml-elements#
>
> The ultimate point of it being:
>
>     http://buzzword.org.uk/rdf/sections#
>
Received on Monday, 26 January 2009 13:36:38 GMT

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