anchor.diff:      test ->
         case Rest =:= [] of
           true -> finalize(Rest, Acc);
  -        false -> finalize(Rest ++ [{Key, Value}], Acc)
  +        false -> finalize(Rest ++ [Option], Acc)
         end;
       _ ->
  -      finalize(Rest, [{Key, Value}|Acc])
  +      finalize(Rest, [Option|Acc])
     end.
   
   -spec file_error(atom(), term()) -> no_return().
  
positive.code:             true ->
                check_values(
                  [{scheduling, fun(X) -> X =:= round_robin end}],
                  Rest ++ Acc, {scheduling_bound, T}),
                consistent(Rest, [BoundType|Acc]);
              false ->
                consistent(Rest, [BoundType|Acc])
  
negative.code:       opt_error("could not add ~s to code path", [Value])
    end,
    finalize(Rest, Acc);
  finalize([{Key, Value} = Option|Rest], AccIn) ->
    Acc =
      case proplists:is_defined(Key, AccIn) of
        true ->
  