@Test
public void testPOFQName2()
throws TokenMgrError, ParseException, MalformedQueryException,
VisitorException {

  final String q = "prefix rdf: <http://type.com/> SELECT * {\n ?s a rdf:< }";
  ast = SyntaxTreeBuilder.parseQuery(q);
  POFMetadata meta = PofNodesMetadata.retrieve(ast);
  assertMetadata(meta.pofNode, SyntaxTreeBuilder.Qname, "http://type.com/");
  assertCursor(meta.pofClassAttribute, 1, 1, 5, 5);
}