Privs and their meanings:  (see also ".help privuse")

A = .alert (the "+++ URGENT MESSAGE:" you sometimes see.)
B = .banuser, .unbanuser, .locktalker (for banning users)
C = .closedown (useful for rebooting)
F = .force
G = .gag, .ungag (to stop people from shouting)
I = .vis, .invis
K = .kick (kick silly users)
L = .lua (executes commands inside the talker's VM)
M = ** MASTER ** (Mostly just gives an 'M' flag when you
    list users.)
N = .name (for renaming offensively or wrongly named
    spods)
P = .set privs (to temporarily set someone's privs)
U = .newuser, .deleteuser, .userinfo (user management)
W = .warn (for warning users, and recording it in the log)
