1  <?xml version="1.0" encoding="ISO-8859-1" ?>
 2  <!-- 3.2.3 : 3.1
 3      One of ref or name must be present, but not both
 4  -->
 5  <schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://foo" xmlns:foo="http://foo">
 6  	
 7    <element name="foo">
 8    	  <complexType>
 9    	  	<attribute name="bar" ref="foo:bar" />
10    	  </complexType>    
11    </element>  
12    
13    <attribute name="bar" type="string" />
14  
15  </schema>