 <xsd:schema
     xmlns:xsd="http://www.w3.org/2001/XMLSchema"
     xmlns="http://xbean/scomp/attribute/GlobalAttrId"
     targetNamespace="http://xbean/scomp/attribute/GlobalAttrId"
     >

     <xsd:attribute name="id1" type="xsd:ID"/>
     <xsd:attribute name="id2" type="xsd:ID"/>

     <xsd:complexType name="GlobalAttrIdT">
         <xsd:attribute ref="id1"/>
     </xsd:complexType>

     <xsd:complexType name="IDRefT">
         <xsd:attribute name="idref1" type="xsd:IDREF"/>
     </xsd:complexType>

     <xsd:element name="GlobalAttrId">
         <xsd:complexType>
             <xsd:sequence>
                 <xsd:element name="IDElement" type="GlobalAttrIdT"/>
                 <xsd:element name="IDRefElement" type="IDRefT"/>
             </xsd:sequence>
         </xsd:complexType>
     </xsd:element>


 </xsd:schema>