Improve login process The roster and private storage elements are requested before broadcasting our presence, because we want the roster before we receive our contacts presence notifications. This is more efficients, and also solves an issue with entity capabilities (as we do not store caps for unknown items).

 /HELP [command|+topic]

Выводит помощь для указанной команды "command" или темы "topic"
Пример: "/help buffer"  выводит помощь по команде "buffer"