<!-- schema --> <xsd:element name="address"> <xsd:simpleType> <xsd:restriction base="xsd:anyURI"> <xsd:enumeration value= "http://www.w3.org/TR/2000/PR-xlink-20001220/"/> <xsd:enumeration value= "http://www.w3.org/TR/xmlschema-2/"/> </xsd:restriction> </xsd:simpleType> </xsd:element> <!-- instance document --> <address>http://www.w3.org/TR/xmlschema-2/</address>