! Copyright (c) 1990-1997  Michael Sandrof, Troy Rollo, Matthew Green,
! and other ircII contributors.
!
! All rights reserved.  See the HELP IRCII COPYRIGHT file for more
! information.
!
Usage: ON [#|+|-|^|&|@]CHANNEL_NICK [-|^]"<channel> [<nick>]" [action]
  This is activated whenever someone on a channel you are on
  changes their nickname. The parameters for this function are:
    $0  The channel from which that person has changed nick
    $1  Original nickname for that person
    $2	New nickname for that person
