on *:text:!delgreet*:#:{ if (!$($+(%Greets.,$chan),2)) | halt }
else { unset $($+(%,$address($nick,2),.Greet))
  elseif { (!$($+(%,$address($nick,2),.Greet),2)) notice $nick 10Y7ou do 4not7 have a greet to delete!
    notice $nick 10Y7our greet has been deleted!
  }
}