static L<IfThen> nlLogic_loadMechScript(S listName) {
  new L<IfThen> out;
  new Matches m;
  S scriptID = "";
  for (S s : splitAtEmptyLines(mL_raw(listName))) pcall {
    if "this is script *"
      continue with scriptID = $1 + "-";
    IfThen rule = nlLogic_parseRule(s);
    if (rule != null)
      out.add(rule);
    else
      print("Couldn't parse: " + s);
  }
  nlLogic_setScriptID(out, scriptID);
  ret out;
}