static bool tok_hasClassRef(L<S> tok, S className) {
  for (int i = 1; i < l(tok); i += 2)
    if (eq(tok.get(i), className))
      if (eq(get(tok, i-2), "ifclass"))
        i = smartIndexOf(tok, "endif", i);
      else
        true;
  false;
}