RPL_MAP = 15, // ircu
RPL_ENDMAP = 17, // ircu
RPL_MAPUSERS = 18, // insp-specific
+ RPL_SAVENICK = 43, // From irc2.
RPL_STATS = 210, // From aircd.
RPL_UMODEIS = 221,
ERR_CANNOTSENDTOCHAN = 404,
ERR_TOOMANYCHANNELS = 405,
ERR_WASNOSUCHNICK = 406,
+ ERR_NOSUCHSERVICE = 408, // From RFC 2812.
ERR_NOTEXTTOSEND = 412,
ERR_UNKNOWNCOMMAND = 421,
ERR_NOMOTD = 422,