Something

on *:TEXT:.unban *:#:{
  if ($address($2,5)) {
    set %unban.mask $v1
    .enable #unban
    mode $chan b
  }
}
#unban off
raw ^*:*:{
  if ($istok(367 368,$numeric,32)) haltdef
  if ($numeric == 367) && ($3 iswm %unban.mask) {
    var %b.string = %b.string $3
    if ($numtok(%b.string,32) == $modespl) {
      mode $2 -b %b.string
      var %b.string
    }
  }
  if ($numeric == 368) {
    unset %unban.mask
    if (%b.string) mode $2 -b $v1
    .disable #unban
  }
}
#unban end