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   Re: Namespaces and DTDs

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  • From: james anderson <James.Anderson@mecomnet.de>
  • To: Andrew McNaughton <andrew@squiz.co.nz>,"xml-dev@ic.ac.uk" <xml-dev@ic.ac.uk>
  • Date: Fri, 12 Mar 1999 11:15:37 +0100

of all things, the "context problems" would be minimal, so long as the
decoding process maps the prefixed identifiers to universal identifiers.
(which as best i can surmis all the "standard" parsers do.) the application
wouldn't care where they came from and any reserialization would be
responsible to get its own declarations in order.

[i'm not arguing for this declaration form, just noting that it doesn't make
the problem any more complex.]

Andrew McNaughton wrote:
> Documents resulting from queries run on the concatenated document would tend
> to cause problems, as query results don't generally return the context of the
> XML elements returned.  This problem also applies to queries run across
> multiple documents unless their DTD's are identical, which perhaps suggests
> that an answer to this problem has to come from the query languages.
> Andrew McNaughton
>  Marc.McDonald@Design-Intelligence.com wrote:
> > So make a namespace declaration a PI and add an "not using this
> > namespace anymore" PI. Then use simple occurrence scoping:
> >
> > Process result:
> > <?XMLNS prefix="foo" uri="...">
> > <A> .... </A>
> > <XMLENDNS prefix="foo">
> >

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