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The redefine Element

Definition and Usage

The redefine element redefines simple and complex types, groups, and attribute groups from an external schema.

Element Information

• Parent elements: schema

Syntax

<redefine
id=ID
schemaLocation=anyURI
any attributes
>

(annotation|(simpleType|complexType|group|attributeGroup))*

</redefine>

Example 1

The following example shows a schema, Myschama2.xsd, with elements specified by the Myschama1.xsd. The pname type is redefined. According to this schema, elements constrained by the pname type must end with a "country" element:

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

<xs:complexType name="pname">
  <xs:sequence>
    <xs:element name="firstname"/>
    <xs:element name="lastname"/>
  </xs:sequence>
</xs:complexType>

<xs:element name="customer" type="pname"/>

</xs:schema>

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

<xs:redefine schemaLocation="Myschema1.xsd">
  <xs:complexType name="pname">
    <xs:complexContent>
      <xs:extension base="pname">
        <xs:sequence>
          <xs:element name="country"/>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:redefine>

<xs:element name="author" type="pname"/>

</xs:schema>

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