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Re: Are we ready for the namespace ID registry, yet? (was: Rel

• To: Jeff Lowery <Jeff.Lowery@c...>
• Subject: Re: Are we ready for the namespace ID registry, yet? (was: RelaxNG question)
• From: "Chiusano Joseph" <chiusano_joseph@b...>
• Date: Thu, 21 Aug 2003 18:40:14 -0400
• Cc: xml-dev@l...
• Organization: Booz Allen Hamilton
• References: <4827EC373E03DB44AC2AB3900430896B672355@c...>

<Quote>
in order to properly mix two namespaces:
<Quote>

Why would one want to do this? What advantages would it afford? In what
scenarios would it be useful?

Kind Regards,
Joe Chiusano
Booz | Allen | Hamilton

Jeff Lowery wrote:
> 
> Speaking of reckless recommendations, has anyone previously given thought to
> namespaces of the form:
> 
> <np1:root  xmlns:np1="http://www.example.com/ns1"
> xmlns:np2="http://www.example.com/ns2">
> 
>    <np1:foo/>
>    <np2:bar>
>       <np2:np1:baz/> <!-- this one -->
>    </np2:bar>
> </np1:root>
> 
> I know this is disallowed by Namespaces in XML Rec, but to me it could be
> helpful for the types of namespace mixing pointed out by Arjun Ray awhile
> back.
> 
> For the np2:np1:baz element above, the local name baz is interpreted to be
> qualified by three distinct namespaces: ../ns1, ../ns2, and the hybrid
> ../ns1|../ns2 (signified by either np1:np2:baz for np2:np1:baz; order of
> qualification is irrelevant).
> 
> The point is not to solve the problem of needing some semantic knowledge in
> order to properly mix two namespaces: some function still needs to know
> which elements get tagged with both their original namespace and the
> overarching namespace. But it at least allows just _one_ function to have to
> know-- the rest can just stupidly parse the qualified names, with awareness
> of either one or both qualifiers.
> 
> Just thinking out loud...
> 
> 
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  • RE: Are we ready for the namespace ID registry, yet? (w as: RelaxNG question)
    • From: Jeff Lowery <Jeff.Lowery@c...>

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