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Re: Type-based design patterns

• To: ndw@n...
• Subject: Re: Type-based design patterns
• From: David Carlisle <davidc@n...>
• Date: Thu, 3 Oct 2002 12:36:57 +0100
• Cc: xml-dev@l...
• In-reply-to: <87pturvk4n.fsf@n...> (message from Norman Walsh on Thu, 03Oct 2002 07:26:16 -0400)
• References: <001101c26a44$1be0e880$6401a8c0@pcukmka><19534340120.20021002203152@j...><873croy3lk.fsf_-_@n...><32588116827.20021003112808@j...> <87pturvk4n.fsf@n...>

> If we said that the only interface between the schema processor and
> the type system was a set of names, we could support multiple schema
> languages more easily, I think. And a natural extension would be to
> say that some nodes can have more than one type.

Yes please!

And at the same time take out of xpath core all the extra w3c schema
primitive types normalizedString, byte, etc etc etc, and get back to a
more sane set of primitive types. A w3c schema-specific function library
could map these types (appearing in the model as qname annotations) to
xpath types.

David



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• References:
  • RE: XPath/XSLT 2.0 concerns
    • From: "Michael Kay" <michael.h.kay@n...>
  • Re: XPath/XSLT 2.0 concerns
    • From: Jeni Tennison <jeni@j...>
  • Type-based design patterns
    • From: Norman Walsh <ndw@n...>
  • Re: Type-based design patterns
    • From: Jeni Tennison <jeni@j...>
  • Re: Type-based design patterns
    • From: Norman Walsh <ndw@n...>

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