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   Re: RE: [xml-dev] XQuery and DTD/Schema?

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7/3/2002 11:38:31 AM, "Dare Obasanjo" <dareo@microsoft.com> wrote:

>-----Original Message----- 
>From: Simon St.Laurent [mailto:simonstl@simonstl.com] 
>Sent: Wed 7/3/2002 8:18 AM 
>To: xml-dev@lists.xml.org 
>The XQuery "type system" was originally based on that of XDuce which 
bears similarity to RELAX NG since they both primarily use pattern 
matching to establish types. The problem with this is that it is 
incompatible with XML Schema's notion of named types and type derivation 
which unfortunately it seems the W3C XML Query working group is refusing 
to accept given the last draft of the XQuery formal semantics I laid my 
eyes on. 

Could you elaborate?  Is the XQuery WG really re-thinking WXSDL named 
types in favor of a more XDuce/RELAX NG-like pattern-based approach?   I 
think I mis-parsed something, or maybe your sense of "unfortunately" is 
not the same as mine :~) 


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