<ns0:user dni="30181626" xmlns:ns0="urn:ns0">
    <ns0:name lang:code="es" xmlns:lang="urn:ns1" encoding:code="utf-8" xmlns:encoding="urn:ns2">Mariano</ns0:name>
    <addr:address xmlns:addr="http://www.w3c.org/1999/xhtml">Cordoba</addr:address>
    <ns0:age>33</ns0:age>
</ns0:user>