static void ai_tg_collectRuleFeedback(Map<S, Int> ruleScores, Collection<S> out_facts) {
  replace Msg with TelegramMsg. // We're lazy!
  
  LPair<Msg, LS> l = serverTelegramLog_plusFiredRules();
  for i over l: {
    LS rules = l.get(i).b;
    if (empty(rules)) continue;
    Msg msg = l.get(i).a;
    int j = i+1;
    while (j < l(l) && l.get(j).a.sent) ++j; // Find next user msg
    L<Msg> nextMsgs = pairsA(subList(l, i+1, j+1));
    Msg userMsg = null;
    if (nempty(nextMsgs)) {
      for (Msg m : nextMsgs)
        if (userMsg == null && !m.sent) userMsg = m;
    }
    if (userMsg == null) continue;
    int score = 0, ruleNr = 0;
    S s = userMsg.text;
    
    new Matches m;
    if "* to number *" {
      s = $1; ruleNr = parseInt($2);
    }
    
    if (matchAny(mL("Yes Feedback Words"), s))
      ++score;
    if (matchAny(mL("No Feedback Words"), s))
      --score;

    // Rules seem to be in the right order w/respect to output lines
    for (S rule : ruleNr == 0 ? rules : ll(rules.get(ruleNr-1))) {
      if (score != 0 && ruleScores != null)
        ruleScores.put(rule, toInt(ruleScores.get(rule))+score);
      if (out_facts != null)
        out_facts.add("rule " + format_arg(rule) + " had "
          + (score > 0 ? "positive" : score < 0 ? "negative" : "possible") + " feedback (" + quote(userMsg.text) + ") when fired on msg " + msg.globalID + " at " + msg.date);
    }
  }
  
  if (out_facts != null)
    addToMechList("Rule Feedback", out_facts);
}

Began life as a copy of #1017865