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RE: [XQuery] Re: draft-rsalz-qname-urn

  • To: "Elliotte Harold" <elharo@m...>,"Michael Kay" <mike@s...>
  • Subject: RE: [XQuery] Re: draft-rsalz-qname-urn
  • From: "Michael Rys" <mrys@m...>
  • Date: Fri, 17 Dec 2004 11:53:00 -0800
  • Cc: "Rich Salz" <rsalz@d...>,<xml-dev@l...>
  • Thread-index: AcTjhw7c84/Y1zuZSRKN0S8efeX43AA5MA8A
  • Thread-topic: [XQuery] Re: draft-rsalz-qname-urn

xquery format
> The XQuery format also seem to suffer from the disease that everything
> must be an http URI even when, as in this case, the URI is not
actually
> resolvable. (http://www.w3.org/2004/10/xqt-errors is a real page but
the
> fragment ID doesn't point to anything.)

If I remember correctly, at some point the idea was to have it point to
a description of the error...

Best regards
Michael

> -----Original Message-----
> From: public-qt-comments-request@w... [mailto:public-qt-comments-
> request@w...] On Behalf Of Elliotte Harold
> Sent: Thursday, December 16, 2004 7:51 AM
> To: Michael Kay
> Cc: 'Rich Salz'; xml-dev@l...; public-qt-comments@w...
> Subject: [XQuery] Re:  draft-rsalz-qname-urn
> 
> 
> 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
> 
> Something similar has been tried before in XML digital signatures and
> RDF. For reasons elucidated in the draft proposal, this format is not
> suitable for all QNames and does not work as a generic mechanism for
> encoding Qnames as URIs.
> 
> The XQuery format also seem to suffer from the disease that everything
> must be an http URI even when, as in this case, the URI is not
actually
> resolvable. (http://www.w3.org/2004/10/xqt-errors is a real page but
the
> fragment ID doesn't point to anything.)
> 
> 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.
> 
> --
> Elliotte Rusty Harold  elharo@m...
> XML in a Nutshell 3rd Edition Just Published!
> http://www.cafeconleche.org/books/xian3/
>
http://www.amazon.com/exec/obidos/ISBN=0596007647/cafeaulaitA/ref=nosim


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