anchor.diff:  %%%
   %%% @spec add_task(binary()) -> term()
   %%% @end
  --spec add_task(binary(), schedule(), term()) -> term().
  +-spec add_task(binary(), schedule(), detail()) -> term().
   add_task(Task, Schedule, Detail) -> gen_server:call(?SERVER, {add, Task, Schedule, Detail}).
   
   %%% @doc
  
positive.code: -spec members() -> [term()].
  members() -> gen_server:call(?SERVER, {members}).
  
  %%--------------------------------------------------------------------
  %% @doc
  %% Starts the server
  
negative.code: %% @end
  %%--------------------------------------------------------------------
  terminate(_Reason, _State) ->
      ok.
  
  %%--------------------------------------------------------------------
  %% @private
  