1 <!-- reference to external simple element -->
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2 <xs:schema xmlns:xs='http://www.w3.org/2001/XMLSchema' targetNamespace='urn:foo' xmlns:x='urn:foo'>
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3 <xs:element name='uno' type='x:t' />
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4 <xs:element name='tres' type='xs:string' />
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5 <xs:complexType name='t'>
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7 <xs:element name='des'>
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10 <xs:element ref='x:tres' />
\r