<element name="_Geometry" type="gml:AbstractGeometryType" abstract="true" substitutionGroup="gml:_GML">
	<annotation>
		<documentation>The "_Geometry" element is the abstract head of the substituition group for all geometry elements of GML 3. This 
		includes pre-defined and user-defined geometry elements. Any geometry element must be a direct or indirect extension/restriction 
		of AbstractGeometryType and must be directly or indirectly in the substitution group of "_Geometry".</documentation>
		<appinfo>
			<sch:pattern name="Check SRS tags">
				<sch:rule context="gml:_Geometry">
					<sch:extends rule="CRSLabels"/>
				</sch:rule>
			</sch:pattern>
		</appinfo>
	</annotation>
</element>