sS mL_answerWithCodeFragments(S s) {
  ret mL_answerWithCodeFragments("Questions to AI => Answers with code fragments", s);
}

sS mL_answerWithCodeFragments(S listName, S s) {
  Pair<S, Matches> answer = lookupNL_dollarVars_dontExpand(mechMap(listName), s);
  if (answer == null) null;
  
  L<S> tok = javaTokWithAngleBrackets(answer.a);
  for (int i = 1; i < l(tok); i += 2) {
    S t = tok.get(i);
    if (isAngleBracketed(t))
      tok.set(i, structOrText(javaEval(mL_expandFunctionNames(expandDollarRefsToMatches_alwaysQuote(deAngleBracket(t), answer.b)))));
    else
      tok.set(i, expandDollarRefsToMatches(t, answer.b));
  }
  ret join(tok);
}