anchor.diff:  			  case C of 
   			      ' ' -> [C];
   			      $\n -> "\\n";
  +			      $\\ -> "\\\\";
   			    %%  $\s  -> "\\s";
   			      $\r ->  "\\r";
   			      $\t -> "\\t";
  
positive.code:     end.
  
  %% tokenize1(File) ->
  %%     {ok, Bin} = file:read_file(File),
  %%     S = erlang:binary_to_list(Bin),
  %%     case refac_scan_with_layout:string(S) of
  %%       {ok, Toks, _} ->
  %% 	    Res = concat_toks(Toks),
  %%       _ -> []
  %%     end.
  
  
  -spec(concat_toks(Toks::[token()]) ->
  
negative.code: %% element of the tuple being the module name, and the second element 
  %% binding the directory name of the file to which the module belongs.
  
  -spec(get_modules_by_file(Files::[filename()]) -> [{filename(), dir()}]).
  get_modules_by_file(Files) ->
      get_modules_by_file(Files, []).
  
  