<gml:datumRef xlink:actuate="" xlink:arcrole="" xlink:href="" nilReason="" gml:remoteSchema="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple"> <gml:AbstractDatum gml:id="">{1,1}</gml:AbstractDatum> </gml:datumRef>
<element name="datumRef" type="gml:DatumPropertyType"> <annotation> <appinfo>deprecated</appinfo> </annotation> </element>