static S ai_autoApplyRules(S input) {
  temp temp_ai_setVar("#input", input);
  L<S> rules = ai_texts_verified("$X", "is", "an auto-apply rule");
  Class c = loadFunctions_cached(rules);
  ai_prepLoadFunctions();
  for (S ruleName : rules)
    try answer (S) pcallOpt(c, ruleName);
}