anchor.diff:      end.
   
   var_used(Name, Toks) ->
  -    case keyfind(Name, 3, Toks) of
  +    case lists:keyfind(Name, 3, Toks) of
           {var,_,Name} -> true;                   %It's the var we want
           _ -> false
       end.
  
positive.code:                   false ->
                        Options0
                end,
      V = case keysearch(Key, 1, Options) of
              {value, {Key, Filename0}} when Key =:= includefile; 
                                             Key =:= scannerfile ->
                  case is_filename(Filename0) of
                      no -> 
                          badarg;
                      Filename -> 
                          {ok,[{Key,Filename}]}
                  end;
              {value,{Key,Bool}} when Bool; not Bool ->
                  {ok,[{Key, Bool}]};
              {value,{Key, _}} ->
                  badarg;
              false ->
                  {ok,[{Key,default_option(Key)}]}
  
negative.code:     %% C1    C2
      %%    C3   C4
      pack_crs([{C1,C4}|Crs]);
  pack_crs([{C1,C2},{C3,C4}|Crs]) when C2 + 1 =:= C3 ->
      %% C1   C2
      %%        C3  C4
      pack_crs([{C1,C4}|Crs]);
  