test/schemas/src-attribute3-1_0.xsd

<?xml version="1.0" encoding="ISO-8859-1" ?>
<!-- 3.2.3 : 3.1
    One of ref or name must be present, but not both
-->
<schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://foo" xmlns:foo="http://foo">
	
  <element name="foo">
  	  <complexType>
  	  	<attribute name="bar" ref="foo:bar" />
  	  </complexType>    
  </element>  
  
  <attribute name="bar" type="string" />

</schema>