Self-describing XML
Globally scoped XML data requires more precision:
<?xml version="1.0"?> <foaf:Person soapenc:href="http://www.w3.org/People/all#eric" foaf:first="Eric" foaf:surname="Prud'hommeaux" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:foaf="http://xmlns.com/foaf/0.1/"> <foaf:mbox soapenc:href="mailto:eric+talk@w3.org"/> </foaf:Person>