anchor.diff:  		is_integer(Port), is_list(Options) ->
   		gen_server:call(ocs, {start, Protocol, Type, Address, Port, Options}).
   
  --spec add_user(Username, Password, Language) -> Result
  +-spec add_user(Username, Password, Locale) -> Result
   	when
   		Username :: string(),
   		Password :: string(),
  -		Language :: string(),
  +		Locale :: string(),
   		Result :: {ok, LastModified} | {error, Reason},
   		LastModified :: {integer(), integer()},
   		Reason :: term().
  -%% @doc Adds a user with `Username', `Password' and locale set to `Language'
  +%% @doc Add an HTTP user.
  +%% 	HTTP Basic authentication (RFC7617) is required with
  +%% 	`Username' and  `Password' used to construct the
  +%% 	`Authorization' header in requests.
  +%%
  +%% 	`Locale' is used to set the language for text in the web UI.
  +%% 	For English use `"en"', for Spanish use `"es'"..
  +%%
   add_user(Username, Password, Language) when is_list(Username),
   		is_list(Password), is_list(Language) ->
   	{Port, Address, Dir, _} = get_params(),
  
positive.code: 		Result :: {ok, Users} | {error, Reason},
  		Users :: list(),
  		Reason :: term().
  %% @equiv  mod_auth:list_users(Address, Port, Dir)
  list_users() ->
  	{Port, Address, Dir, _} = get_params(),
  
negative.code: 		Username :: string(),
  		Result :: true | {error, Reason},
  		Reason :: term().
  %% @doc Delete an existing HTTP user.
  delete_user(Username) ->
  	{Port, Address, Dir, GroupName} = get_params(),
  	case mod_auth:delete_user(Username, Address, Port, Dir) of
  