Sorry, my mistake--try this one...

Code:
on ^*:NICK: {
  var %chan = 1
  while ($comchan($newnick, %chan)) {
    /echo -ti2 $ifmatch 9.:Nickchange:. $nick is now known as $newnick
    /inc %chan
  }
  /haltdef
}

on ^*:QUIT: {
  var %chan = 1
  while ($comchan($nick, %chan)) {
    /echo -ti2 $ifmatch 12.:Quit:. $nick ( $+ $1- $+ )
    /inc %chan
  }
  /haltdef
}