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   Re: [XQuery] Re: [xml-dev] draft-rsalz-qname-urn

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Elliotte Harold wrote:
> Michael Kay wrote:
>> The XQuery specification, incidentally, defines a mapping of error 
>> QNames to
>> error URIs. It's different from this one, of course.
> The error URIs in the XQuery spec look like this:
> http://www.w3.org/2004/10/xqt-errors#XPST0017

Yeah, WSDL 2.0 does something similar defining a fragment notation (in 
section C.2).  I'm sure the draft will get mentioned on the wsdl public 
comment list.  I think I've already commented publically enough for them. :)

> Something similar has been tried before in XML digital signatures and 
> RDF.

I don't know about RDF, but I don't think DSIG does it this way.  They 
make it easy, basing all identifiers within their namespace (which ends 
with a "#" :).  Can you point to what you mean for dsig?

> I agree with most of your concerns about the details of the proposed 
> qname URN scheme (IRIs vs. URIs, percent encoding, etc.) but at a 
> fundamental level I think the proposed scheme is better than what XQuery 
> is proposing. I would suggest that XQuery adopt the new qname URN scheme 
> rather than using http URIs to identify error codes. In fact, I'll cc 
> this to the XQuery working group to register it as a formal comment.

Well, there's a reason why it's a draft. :)  We appreciate the feedback.
And, thanks for the good words.  It'd be nice to do this all the same 
way.  WS-Addressing could also leverage this, depending on what we 
decide to do with some WSDL issues.



Rich Salz, Chief Security Architect
DataPower Technology                           http://www.datapower.com
XS40 XML Security Gateway   http://www.datapower.com/products/xs40.html
XML Security Overview  http://www.datapower.com/xmldev/xmlsecurity.html


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