anchor.diff:  		    [SearchPaths]),
   	  ClientFiles = refac_util:get_client_files(File, SearchPaths),
   	  Results = tuple_parameters_in_client_modules(ClientFiles, FunName, Arity, C,
  -						       length(Parameters), Mod),
  +						       length(Parameters), Mod, TabWidth),
   	  case Editor of
   	    emacs ->
   		refac_util:write_refactored_files([{{File, File}, AnnAST2} | Results]),
  
positive.code: %% =====================================================================
  
  check_is_callback_fun(Info, FunName, Arity)->
    case is_callback_fun(Info, FunName, Arity) of
      true -> 
        {error, "Tupling parameters of a callback function is not supported."};
      false -> ok
  
negative.code: %% 
  %% @end
  %% =====================================================================
  tuple_parameters_in_client_modules(Files, Name, Arity, C, N, Mod, TabWidth)->
    case Files of
      [] -> [];
      [F | Fs] ->
  	  ?wrangler_io("The current file under refactoring is:\n~p\n", [F]),
  	  {ok, {AnnAST, Info}}= refac_util:parse_annotate_file(F, true, [], TabWidth),
  	  {AnnAST1, _} = tuple_parameters_in_client_modules_1({AnnAST, Info}, 
  							      Name, Arity, C, N, Mod),
            [{{F, F}, AnnAST1} | 
  	   tuple_parameters_in_client_modules(Fs,Name,Arity, C, N, Mod,TabWidth)]
    end.
  
  %% =====================================================================
  