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RE: [xml-dev] having problems with the "|" in field's element in the xs:key el ement

From: Jeff Lowery <>
To: 'Murali Mani' <>, Bill Riegel <>
Date: 2003-05-20T17:10:57Z
ID: <>
Thread: RE: [xml-dev] having problems with the "|" in field's element in the xs:key el ement

The syntactic restrictions on XPath expressions in XML Schema are given by:

http://www.w3.org/TR/xmlschema-1/#coss-identity-constraint

I don't know of any method for doing what you're trying to do in XML Schema.
No doubt Schematron annotations are an option.

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