Synopsis:
   on [<modes>]msg_group [<serial#>] [-|^]<match> { <action> }

Description:
   This hook is similar to the MSG hook, except it applies to messages sent
   to an undetermined group of people.  Typically, this is a server mask or
   hostmask, and is sent by an irc operator.

Parameters:
   $0    nickname of message sender
   $1    group message was sent to
   $2-   text of message

See Also:
   msg(1)

Restrictions:
   This hook has the same limitations on automated replies as the MSG hook.