1 <?xml version="1.0" encoding="UTF-8"?>
   2 <xsd:schema
   3   xmlns="IdConstrDefs/targetNS"
   4   xmlns:xsd="http://www.w3.org/2001/XMLSchema"
   5   targetNamespace="IdConstrDefs/targetNS">
   6 
   7   <xsd:include schemaLocation="targetNS00101m2a.xsd"/>
   8 
   9   <xsd:element name="root">
  10       <xsd:complexType>
  11           <xsd:sequence maxOccurs="unbounded">
  12               <xsd:element name="person"/>
  13           </xsd:sequence>
  14       </xsd:complexType>
  15       <xsd:key name="KEY">
  16           <xsd:selector xpath="./person"/>
  17           <xsd:field xpath="."/>
  18       </xsd:key>
  19       <xsd:keyref name="KEYREF" refer="KEY">
  20           <xsd:selector xpath="./person"/>
  21           <xsd:field xpath="@parent"/>
  22       </xsd:keyref>
  23   </xsd:element>
  24 
  25 </xsd:schema>