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Re: WD for Namespaces 1.1

• To: xml-dev@l...
• Subject: Re: WD for Namespaces 1.1
• From: james anderson <james.anderson@s...>
• Date: Thu, 04 Apr 2002 10:49:11 +0200
• Organization: nil
• References: <D7155AD41ECFD511AF4A00B0D0202CB51DFFFB@m...> <3CABB8AB.AD2166E3@a...> <3CAC0A15.6E97CBC9@r...>
• Reply-to: james.anderson@s...

Ronald Bourret wrote:
> 
> ...
> 
> I think this does raise a legitimate problem though, and that is that
> moving namespaces into 1.1 formalizes the problems between DTDs and
> namespaces. One solution is to continue to live with the problem. A
> better solution is to allow namespace "declarations" in DTDs via the
> mechanism proposed recently by Rick Jelliffe [1] and implemented a years
> ago by Microsoft.
> 
> The good news is that this solution is already known to work. The bad
> news is that it would cause backwards-incompatibility problems --
> documents that are both valid and namespace valid would cease to be
> valid due to a lack of xmlns attribute defaults in the DTD.

in order to avoid this problem it is necessary to implement a more
complete inference mechanism than that suggested by [1] and implemented
by microsoft. where one performs constriant propagation in the type
domain [2] one can incorporate the declarations in the document entity
and "retrofit" existing dtd's. 

> 
> -- Ron
> 
> [1] http://lists.xml.org/archives/xml-dev/200201/msg02012.html


[2] http://lists.xml.org/archives/xml-dev/200201/msg02044.html

• Follow-Ups:
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• References:
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    • From: Michael Brennan <Michael_Brennan@A...>
  • Re: WD for Namespaces 1.1
    • From: Marcus Carr <mcarr@a...>
  • Re: WD for Namespaces 1.1
    • From: Ronald Bourret <rpbourret@r...>

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