static void ai_spec_parseAnd(S s) {
  L<S> tok = tok_combineCurlyBrackets_keep(javaTok(s));
  int i = indexOf(tok, "and");
  if (i < 0) ret;
  T3<S> t = tok_tripleSplitAtToken(tok, i);
  ai_postTriple(s, "possibly parses as", optionalCurlyBrace(dropSuffix(",", t.a)) + " " + t.b + " " + optionalCurlyBrace(t.c));
}