i have fixed the enable and disable made a few changes. it is better the my old one. and i can't figure out how to remove it.

#asciitxt on
on *:input:*: {
  if ($left($1,1) = /) return
  if ($left($1,1) = @) return
  %txtsc = $1-
  %txtsc = $replace(%txtsc,a,ä,b,ß,c,ç,e,è,g,g,h,}{,i,¡,j,j,l,£,n,ñ,o,ø,p,þ,r,®,s,§c,t,T,u,û,y,ÿ)
  /say  %txtsc  | unset %txtsc | halt 
}
#asciitxt end
menu * {
  -
  Ascii Text %kelsh $+ 
  .On:set %kelsh On | enable #asciitxt 
  .Off:set %kelsh Off | disable #asciitxt
}