@Test
public void testPOFkeyword2()
throws TokenMgrError, ParseException, MalformedQueryException,
VisitorException {

  final String q = "SELECT * {\n ?s a [ <type> rdf< ] }";
  ast = SyntaxTreeBuilder.parseQuery(q);
  POFMetadata meta = PofNodesMetadata.retrieve(ast);
  assertMetadata(meta.pofNode, SyntaxTreeBuilder.Keyword, "rdf");
  assertCursor(meta.pofNode, 1, 1, 16, 18);
  assertCursor(meta.pofClassAttribute, 1, 1, 9, 14);
}