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Re: modules binding the xml/xmlns prefix

From: Frans Englich <frans.englich@telia.com>
Date: Mon, 27 Feb 2006 17:28:55 +0000
To: Jonathan Robie <jonathan.robie@datadirect.com>
Cc: public-qt-comments@w3.org
Message-Id: <200602271728.55566.frans.englich@telia.com>

On Monday 27 February 2006 17:11, Jonathan Robie wrote:
> Frans Englich wrote:
> > Hi everyone,
> >
> > 4.12 Namespace Declaration specifies that it is not allowed to redeclare
> > the xml and xmlns prefix(XQST0070).
> >
> > A module declaration also allows an namespace binding to be done: "In the
> > statically known namespaces of the library module, the namespace prefix
> > specified in the module declaration is bound to the module's target
> > namespace".
> >
> > I don't see what makes it invalid to do for example "module namespace xml
> > = 'example.org/ns';".
> >
> > What have I missed? Or already taken care of? I'll probably file a report
> > otherwise.
> >
> >
> > Regards,
> >
> > 		Frans
>
> Hi Frans,
>
> These prefixes are reserved in the XML namespaces spec:
>
> http://www.w3.org/TR/2004/REC-xml-names11-20040204/#xmlReserved
>
> Since  "module namespace xml ='example.org/ns';" binds xml to a
> different prefix, it seems inconsistent with the philosophy advocated by
> the XML namespaces rec.

Yes, I agree it makes no sense to redeclare them. What I wonder is /where/ in 
the XQuery specification it is said that a 'module namespace' can't redeclare 
them. For example, for the 'declare namespace' declaration it is explicitly 
noted that attempted redeclarations of the xml/xmlns attributes raises 
XQST0070 -- but where can a similar clause be found for 'module namespace'?

In other words, where does it say in XQuery 1.0 that "declare namespace xml = 
'example.org/ns';" is an error, and what the error code is?


		Frans
Received on Monday, 27 February 2006 17:17:30 UTC

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