Revise paste FORBID

alias fordialog {
  set %geninp.1 $1
  set %geninp.2 $2
  set %geninp.3 $3
  set %geninp.4 $4
  set %geninp.5 $5
  var %t = fordialog. $+ $trnum
  mrcdlg -m %t
}
dialog fordialog.* {
  title ""
  option dbu
  size -1 -1 173 94
  text "", 1, 6 5 257 8, read multi
  combo 2, 5 60 163 170, drop edit result
  edit "NOTE: No specific, show the first 100 available entries.", 4, 4 51 165 8, disable
  link "Help?", 5, 7 79 20 8
  button "&OK", 6, 77 77 44 13, ok default
  button "&Cancel", 7, 124 77 44 13, cancel
}
on *:dialog:fordialog.*:*:*:{
  if ($devent == init) {
    mdx SetBorderStyle $dname 4
    dialog -t $dname %geninp.2
    did -a $dname 1 %geninp.1
    didtok $dname 2 44 %forb.syntax
  }
  elseif ($devent == sclick) {
    if ($did == 6) {
      set %forblist forbid
      if (!$did(2).text) { %geninp.4 }
      elseif ($regex($did(2).text, /^[a-zA-Z\s]+$/)) { set %cfblist $calc($did(2).sel +1) $did(2) | %geninp.4 $did(2) }
      else { set %cfblist %linenum | %geninp.4 $did(2) }
    }
    elseif ($did == 7) { unset %forb.syntax %linenum }
    elseif ($did == 5) { var %r = $specialwin | window -kea %r | os help Forbid }
  }
  elseif ($devent == edit) {
    var %read $did(2,0)
    if (%read != $null) && ($regex(%read, /[a-zA-Z]/)) {
      var %t $did(2).lines, %i 1
      while (%i <= %t) {
        var %line $did(2, %i)
        if (%line $+ * iswm %read) { set %linenum $calc(%i +1) %read | return }
        inc %i
      }
    }
  }
  elseif ($devent == close) { unset %linenum %geninp.* }
}