anchor.diff:  %% @hidden
   auth_query1(_Start, _End, _Protocol, _Types, _ReqAttrsMatch, _RespAttrsMatch,
   		eof, Acc) ->
  -	lists:reverse(Acc);
  +	{eof, lists:reverse(Acc)};
   auth_query1(_Start, _End, _Protocol, _Types, _ReqAttrsMatch, _RespAttrsMatch,
   		{error, Reason}, _Acc) ->
  -	exit(Reason);
  +	{error, Reason};
   %% @hidden
   auth_query1(Start, End, '_', '_', ReqAttrsMatch, RespAttrsMatch,
   		{Cont, [{TS, _, _, _, _, _, _, _, _} | _] = Chunk}, Acc)
  
positive.code: 		AttrsMatch :: [{Attribute, Match}] | '_',
  		Attribute :: byte(),
  		Match :: term() | '_',
  		Result :: [term()].
  %% @equiv acct_query(Start, End, radius, Types, AttrsMatch)
  acct_query(Start, End, Types, AttrsMatch) ->
  	acct_query(Start, End, radius, Types, AttrsMatch).
  
  -spec acct_query(Start, End, Protocol, Types, AttrsMatch) -> Result
  	when
  		Start :: calendar:datetime() | pos_integer(),
  		End :: calendar:datetime() | pos_integer(),
  		Protocol :: radius | diameter | '_',
  
negative.code: 		RespAttrsMatch :: [{Attribute, Match}] | '_',
  		Attribute :: byte(),
  		Match :: term() | '_',
  		Result :: {Continuation2, Events} | {eof, Events} | {error, Reason},
  		Continuation2 :: disk_log:continuation(),
  		Events :: [auth_event()],
  		Reason :: term().
  %% @doc Query access log events with filters.
  %%
  %% 	The first time called `Continuation' should have the value `start'.
  %%
  %% 	Events before `Start' or after `Stop' or which do not match
  %% 	the protocol or one of the `Types' are ignored.
  