on $*:TEXT:/^[+%@]/i:#:{
  if ($right($1,-1) ison $chan) {
    if ((!$2) || ($2 != -)) {
      if ($left($1,1) == +) var %option = v
      if ($left($1,1) == @) var %option = o
      if ($left($1,1) == %) var %option = h
      mode $chan $+(+,%option) $right($1,-1)
    }
    if ($2 == -) {
      if ($left($1,1) == +) var %option = v
      if ($left($1,1) == @) var %option = o
      if ($left($1,1) == %) var %option = h
      mode $chan $+(-,%option) $right($1,-1)
    }
  }
  else { halt }
}