anchor.diff:  		true -> [];
   		_ ->
   		    [{Range, Len, F, Res}] 
  -		    %%[{Range, Len, F, Res, Pars}]
   	    end
       catch
         _Error_ -> []
  
positive.code:     end.
  
  
  %% file_info(DirFileList)->
  %%      FileNames = refac_util:expand_files(DirFileList, ".erl"),
  %%      refac_io:format("No of files:\n~p\n", [length(FileNames)]),
  %%      lists:sum(lists:map(fun(F) ->
  %% 		       Toks= refac_util:tokenize(F, false, 8),
  %% 		       {L, _} = token_loc(lists:last(Toks)),
  %% 		       L
  %% 	       end, FileNames)).
      
  
negative.code:     Len =  element(5, hd(C)),
      get_anti_unifier_0({lists:unzip([{R, {U, Vars}}||{R, U, Vars, _Bd, _Len}<-C]), Len, Freq}, MaxPars, MinLength).
  		  
  get_anti_unifier_0(_C={{Range, CodeEVsPairs}, Len, F}, MaxPars, MinLength) ->
      try
          get_anti_unifier_1(CodeEVsPairs)
      of
  