.onChange(of: textInput) { old, new in
   let tokenizer = NLTokenizer(unit: .word)
   tokenizer.string = new

   var listWords = ""
   let tokens = tokenizer.tokens(for: new.startIndex ..< new.endIndex)
   for range in tokens {
      listWords += "\(new[range])\n"
   }
   message = listWords
}