svoid gazelle_addRulesFromConcepts(Concepts concepts) {
  L<Concept> toMerge = list(concepts, "Rule");
  for (Concept c : toMerge) {
    S ruleID = getString globalID(c);
    if (empty(ruleID))
      continue with print("No rule ID!?");
    PairS p = dm_textAndCommentForRule(ruleID);
    print("Rule " + ruleID + (p != null ? ": Have rule" : ": Should merge"));
    if (p == null)
      dm_call(dm_gazelle_rulesModule(), 'uniqConcept, globalID := ruleID, text := p.a, comment := p.b);
    else {
      print("  should update");
      // TODO
    }
  }
}