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   RE: [xml-dev] on the subject of schema crunching...

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  • To: "xml-Dev (E-mail)" <xml-dev@lists.xml.org>
  • Subject: RE: [xml-dev] on the subject of schema crunching...
  • From: "Paul Brown" <prb@fivesight.com>
  • Date: Sun, 23 Jun 2002 18:34:03 -0400
  • Cc: "Dare Obasanjo" <dareo@microsoft.com>
  • Thread-index: AcIa90SErMxbc3P6SYG8e0+v+arr6QAANMu9AAM1mnA=
  • Thread-topic: on the subject of schema crunching...

> From: Dare Obasanjo
> A schema can only have a single targetNamespace while imports 
> reference schemata from another namespace. I can't readily 
> think of any work around to that fundamental restriction to 
> how you can create a single unified schema. 

The work-around would be to create one unified "module" for each target namespace.  That's not such a big deal.

> Why exactly do you want to do this anyway? 

Schemata with large data dictionaries are cumbersome, and examples of large data dictionaries are all around us: EDI, HL-7, etc.  Most individual message types only use a small subset of the actual data dictionary.  The individual message types -- once distilled -- are more portable, easier for humans and machines to process, etc.

	-- Paul


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