anchor.diff:  -spec handle_info(any(), State) -> {noreply, State} when State::#state{}.
   handle_info(update_date, State) ->
       Date = httpd_util:rfc1123_date(),
  -    ets:insert(lala, {rfc1123, Date}),
  +    ets:insert(?MODULE, {rfc1123, Date}),
       {noreply, State};
   handle_info(_Info, State) ->
       {noreply, State}.
  
positive.code: 
  -spec init([]) -> {ok, #state{}}.
  init([]) ->
      lala = ets:new(lala, [named_table, protected]),
      handle_info(update_date, #state{}),
      timer:send_interval(1000, update_date),
      {ok, #state{}}.
  
negative.code: 
  -spec rfc1123() -> string().
  rfc1123() ->
      case ets:lookup(?MODULE, rfc1123) of
          [{rfc1123, Date}] ->
              Date;
          [] ->
  