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   XML Schema - redefine

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  • To: <xml-dev@lists.xml.org>
  • Subject: XML Schema - redefine
  • From: "Morcom, Harvey" <Harvey.Morcom@KPMG.co.uk>
  • Date: Fri, 6 Feb 2004 14:52:24 -0000
  • Thread-index: AcPswNQxVdvyvzeGTpa4wnLZHvqKTw==
  • Thread-topic: XML Schema - redefine

Is it possible to use <redefine> to extend a simpleType using union? I have tried to achieve this using the approach below but with no luck, does anybody know where I am going wrong?

For example, 
Schema_A.xsd contains the simpleType
	<xsd:simpleType name="myString">
		<xsd:restriction base="xsd:string">
			<xsd:enumeration value="Football"/>
			<xsd:enumeration value="Rugby"/>

Schema_B.xsd extends this datatype using union
	<xs:import namespace="http://foo/sports"; schemaLocation="Schema_C.xsd"/>
	<xsd:redefine schemaLocation="Schema_A.xsd">
		<xsd:simpleType name="myString">
			<xsd:union memberTypes="myString foo:Sports"/>

Schema_C.xsd contains the new dataType
	<xsd:simpleType name="Sports">
		<xsd:restriction base="xsd:string">
			<xsd:enumeration value="Elephant Wrestling"/>

Thanks in advance

> Harvey Morcom
> Knowledge Analyst
> harvey.morcom@kpmg.co.uk
> Tel: 782 8695 (020 7694 8695)

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