| <xs:element name="ordering">
  <xs:complexType>
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="descending" type="xs:boolean"/>
        <xs:attribute name="ignore-case" type="xs:boolean"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
</xs:element> |