static L<S> tok_splitAtCommaOrAnd(S s) {
  ret tok_splitAtCommaOrAnd(javaTok(s));
}
  
static L<S> tok_splitAtCommaOrAnd(L<S> tok) {
  new L<S> out;
  for i over tok: {
    int j = smartIndexOfAnyIC(tok, i, ",", "and");
    out.add(joinSubList(tok, i+1, j-1));
    while (j < l(tok) && eqicOneOf(tok.get(j+2), ",", "and")) j += 2;
    i = j;
  }
  ret out;
}