<xs:attributeGroup ref="xlink:arcAttrs"/>
</xs:complexType>
+ <!-- Hack required for GML support -->
+ <xs:attributeGroup name="simpleLink">
+ <xs:attribute name="type" type="xs:string" use="optional" fixed="simple" form="qualified"/>
+ <xs:attribute ref="xlink:href" use="optional"/>
+ <xs:attribute ref="xlink:role" use="optional"/>
+ <xs:attribute ref="xlink:arcrole" use="optional"/>
+ <xs:attribute ref="xlink:title" use="optional"/>
+ <xs:attribute ref="xlink:show" use="optional"/>
+ <xs:attribute ref="xlink:actuate" use="optional"/>
+ </xs:attributeGroup>
</xs:schema>
\ No newline at end of file