ACTIONS - Actions (/me) - usually ORed with PUBLIC or MSGS
JOINS - Someone joins a channel
PARTS - Someone parts a channel
- QUITS - Someone quits network
+ QUITS - Someone quits IRC
KICKS - Someone gets kicked from channel
MODES - Channel mode is changed
TOPICS - Channel topic is changed
NICKS - Someone changes nick
DCC - DCC related messages
DCCMSGS - DCC chat messages
- CLIENTNOTICES - Irssi's notices
- CLIENTERRORS - Irssi's error messages
+ CLIENTNOTICE - Irssi's notices
+ CLIENTERROR - Irssi's error messages
CLIENTCRAP - Some other messages from Irssi
And a few special ones that could be included with the