Topic command override

alias topic {
  if ($isid) {
    if ($1) return $chan($1).topic
    elseif ($me ison $active) return $chan($active).topic
    else return
  }
  else {
    if ($left($1,1) == $chr(35)) topic $1-
    elseif ($left($active,1) == $chr(35)) topic $active $1-
    else echo -a You must be on or specify a channel
  }
}