<sg:test xmlns:sg="http://www.w3.org/XML/2008/xsdl-exx/ns1" >

  <sg:e1 xsi:type="xsd:string"
         xmlns:xsd="http://www.w3.org/2001/XMLSchema"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	>This is a test of substitution groups and abstract elements.</sg:e1>

  <sg:e1 xsi:type="xsd:string"
         xmlns:xsd="http://www.w3.org/2001/XMLSchema"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	>41</sg:e1>
</sg:test>