m_omode.c - OMODE - Allows an admin to do all sorts of evil upon a
channel, sets modes with extreme prejudice
+m_remove.c - REMOVE - Implements /REMOVE, which allows a channel op to
+ force-part a problematic user from a channel. Most
+ likely, you don't want this, because it is non-standard,
+ and easily worked around for autojoin purposes.
+
no_oper_invis.c - Disallow opers setting marking themselves as invisible
(+i) unless they have the hidden_oper flag.