static S dropFirstWord(S s) {
  if (s == null) null;
  L<S> tok = javaTok(s);
  ret dropFirst(l(get(tok, 0))+l(get(tok, 1))+l(get(tok, 2)), s);
}

static S dropFirstWord(S word, S s) {
  if (s == null) null;
  L<S> tok = javaTok(s);
  if (!eqic(get(tok, 1), word)) ret s;
  ret dropFirst(l(get(tok, 0))+l(get(tok, 1))+l(get(tok, 2)), s);
}