<?xml version="1.0" encoding="UTF-8" ?> 
<xsd:schema targetNamespace="http://www.w3.org/1999/xlink" 
            xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
            xmlns:xlink="http://www.w3.org/1999/xlink" 
            elementFormDefault="qualified" attributeFormDefault="qualified">

   <xsd:element name="root">
      <xsd:annotation>
         <xsd:documentation>Comment describing your root element</xsd:documentation> 
      </xsd:annotation>
   </xsd:element>
   
   <xsd:attribute name="type">
      <xsd:simpleType>
         <xsd:restriction base="xsd:NMTOKEN">
         <xsd:enumeration value="simple" /> 
         <xsd:enumeration value="extended" /> 
         <xsd:enumeration value="locator" /> 
         <xsd:enumeration value="arc" /> 
         <xsd:enumeration value="resource" /> 
         <xsd:enumeration value="title" /> 
         <xsd:enumeration value="none" /> 
         </xsd:restriction>
      </xsd:simpleType>
   </xsd:attribute>
   
   <xsd:attribute name="href" type="xsd:anyURI" /> 
   <xsd:attribute name="role" type="xsd:anyURI" /> 
   <xsd:attribute name="arcrole" type="xsd:anyURI" /> 
   <xsd:attribute name="title" type="xsd:string" /> 
   <xsd:attribute name="label" type="xsd:NMTOKEN" /> 
   
   <xsd:attribute name="show">
      <xsd:simpleType>
         <xsd:restriction base="xsd:NMTOKEN">
         <xsd:enumeration value="new" /> 
         <xsd:enumeration value="replace" /> 
         <xsd:enumeration value="embed" /> 
         <xsd:enumeration value="other" /> 
         <xsd:enumeration value="none" /> 
         </xsd:restriction>
      </xsd:simpleType>
   </xsd:attribute>

</xsd:schema>