static L<S> splitIntoSentences(S s) {

  new L<S> sentences;

  for (S sentence : splitIntoSentences_split(s)) {

    char first = sentence.charAt(0);

    if (Character.isLowerCase(first) || ",;:=".indexOf(first) >= 0) continue;

    if (!hasCharacters(sentence)) continue;

    sentences.add(sentence);

  }

  ret sentences;

}

static L<S> splitIntoSentences_split(S s) {

  L<S> tok = javaTok(s); // To parse quoted things

  simpleSpaces(tok);

  new L<S> list;

  int i = 0;

  while (true) {

    int j = i;

    do {

      j = indexOfAny(tok, j+1, ".", "?");

      if (j < 0) return list;

    } while (j+1 < tok.size()-1 && tok.get(j+1).equals("")); // matches stuff like "9.5"

    S sentence = join(tok.subList(i, j+1)).trim();

    if (sentence.length() > 1)

      list.add(sentence);

    i = j+1;

  }

}