Code:
on *:QUIT:{
  if ((:lined isin $1-) || (User has been banned from isin $1-)) && (Quit: !isin $1-) {
    if (!$window(@GZLines)) { window -k0 @GZLines }
    echo -mt @GZLines Quit: $address($nick,5) $+($chr(40),$1-,$chr(41)) 
  }
}