anchor.diff:                          end
                       end, [], Out);
                   _ ->
  -                    io:format("X? ~p: ~p~n", [Node, Out]),
  +                    io:format("graph_as_query: unknown_node_type: ~p: ~p~n", [Node, Out]),
                       {unknown_node_type, Node}
               end
       end.
  
positive.code:             case is_atom(Node) of
                  true -> io:format("graph_as_query: unknown atom: ~p~n", [Node]),
                          Out = [];
                  _ -> Out = Out0
              end
      end,
      case length(Out) of
  
negative.code:     OpList1 = riak_search_preplan:preplan(OpList, DefaultIndex, DefaultField, Facets),
  
      %% Query optimization pass
      %%io:format("OpList1 = ~p~n", [OpList1]),
      OpList2 = optimize_query(OpList1),
      %%io:format("OpList2 = ~p~n", [OpList2]),
  
      %% Get the total number of terms and weight in query...
      {NumTerms, NumDocs, QueryNorm} = get_scoring_info(OpList1),
  