static L<S> ai_splitAtPhrase(S s, S phrase) {
  L<S> tok = javaTok(s);
  S[] _phrase = toStringArray(javaTokC(phrase));
  int i = findCodeTokensIC(tok, _phrase);
  ret i < 0 ? ll(s) : ll(trimJoinSubList(tok, 0, i), trimJoinSubList(tok, i+l(_phrase)*2));
}