StartDocument( documentVersion="1.0" ) Comment( text=" Attribute uniqueness: repeated identical attribute " ) StartElement( name="foo" qualifiedName="foo" NamespaceDeclaration( prefix="a" namespaceUri="http://example.org/~wilbur" ) NamespaceDeclaration( prefix="b" namespaceUri="http://example.org/~wilbur" ) ) Characters( whitespace text=" " ) Invalid( name="bar" qualifiedName="bar" Attribute( name="attr" namespaceUri="http://example.org/~wilbur" qualifiedName="a:attr" prefix="a" value="1" ) Attribute( name="attr" namespaceUri="http://example.org/~wilbur" qualifiedName="a:attr" prefix="a" value="2" ) ) ERROR: Attribute redefined.