<element name="pointRep" type="gml:PointPropertyType"> <annotation> <appinfo> <sch:pattern xmlns:sch="http://www.ascc.net/xml/schematron"> <sch:rule context="gml:pointRep"> <sch:extends rule="hrefOrContent" /> </sch:rule> </sch:pattern> </appinfo> </annotation> </element>