@Test
public void testPOFkeyword3()
throws TokenMgrError, ParseException, MalformedQueryException,
VisitorException {

  final String q = "SELECT * {\n ?s a <Person> ; <type> rdf< }";
  ast = SyntaxTreeBuilder.parseQuery(q);
  POFMetadata meta = PofNodesMetadata.retrieve(ast);
  assertMetadata(meta.pofNode, SyntaxTreeBuilder.Keyword, "rdf");
  assertCursor(meta.pofNode, 1, 1, 25, 27);
  assertCursor(meta.pofClassAttribute, 1, 1, 18, 23);
}