anchor.diff:               #field{occurrence=repeated} ->
                    indent(Indent, f("~p = []", [FName]));
                #field{type={msg,FMsgName}} ->
  -                 FNameQLen = iolist_size(f("~p", [FName])),
  +                 FNameQLen = flength("~p", [FName]),
                    {Type, FMsgDef} = lists:keyfind(Type, 1, Defs),
                    indent(Indent, f("~p = ~s",
                                     [FName,
  
positive.code: f(F)   -> f(F,[]).
  f(F,A) -> io_lib:format(F,A).
  
  file_read_file(FileName, Opts) ->
      file_op(read_file, [FileName], Opts).
  
  
negative.code:      f("    AccSeq.~n~n")].
  
  format_msg_decoder_reverse_toplevel(MsgName, MsgDef) ->
      MsgNameQLen = flength("~p", [MsgName]),
      FieldsToReverse = [F || F <- MsgDef, F#field.occurrence == repeated],
      if FieldsToReverse /= [] ->
              FieldMatchings =
  