anchor.diff:      F = fun (T, Acc) ->
   		case
   		  refac_syntax:type(T)      %% To think: any other cases here?
  -		    of
  -		  application -> Acc ++ [T];
  -		  _ -> Acc
  +		of
  +		    application -> Acc ++ [T];
  +		    _ -> Acc
   		end
   	end,
       F1 = fun (E) ->
   		 {_, {EndLine, _}} = refac_util:get_range(E),
   		 case EndLine >= Line of
  -		   true ->
  +		     true ->
   		       CalledFuns = wrangler_callgraph_server:called_funs(E),
   		       case lists:subtract(CalledFuns, MFAs) of
   			 CalledFuns -> false;
  
positive.code: 			 end, Files),
      non_flush_format_result(lists:usort(Funs)).
  
  
  
  not_flush_unknown_messages(FName, SearchPaths, TabWidth) ->
      {ok, {AnnAST, Info}} = refac_util:parse_annotate_file(FName, true, SearchPaths, TabWidth),
      ModName = get_module_name(FName, Info),
  
negative.code: display_results(Callers, UnSures) ->
      case {Callers, UnSures} of
        {[], []} ->
  	  ?wrangler_io("The function selected is not called by any other functions.\n",[]);
        {_, []} ->
  	  ?wrangler_io("The function selected is called by the following function(s):\n",[]),
  	    lists:foreach(fun({File, F, A}) -> ?wrangler_io("{~p:~p: , ~p}\n", [File, F, A]) end, Callers);
        {[], [_H | _]} ->
  	    ?wrangler_io("The function selected is not explicitly called by any other functions, \n"
  			 "but please check the following expressions:\n", []),
  	    lists:foreach(fun({File, Line, Exp}) -> ?wrangler_io("{~p:~p: , ~p}\n", [File, Line, Exp]) end, UnSures);
  	{[_H1 | _], [_H2 | _]} ->
  	    ?wrangler_io("The function selected is called by the following function(s):\n",[]),
  	    lists:foreach(fun({File, F, A}) -> ?wrangler_io("{File:~p, function name: ~p/~p }\n", [File, F, A]) end, Callers),
  	    ?wrangler_io("Please also check the following expressions:\n", []),
  	    lists:foreach(fun({File, Line, Exp}) -> ?wrangler_io("~p:~p: , ~p\n", [File, Line, Exp]) end, UnSures)		 
      end.
  
  get_caller_funs_in_client_modules(FileNames, {M, F, A}, SearchPaths, TabWidth) ->
  