static void web_expandOperations(Web web) {
  for (Lisp rule : trueStatementsByHead("pqnfhkzxoqkaoyqk")) {
    S toExpand = rule.s(0);
    //print("Expanding " + toExpand);
    for (WebNode node : cloneList(web.nodes))
      for (Lisp lbl : node.labels)
        if (lbl.is(toExpand)) {
          //print("  Expanding " + lbl);
          for (Lisp child : lbl)
            web.node(child);
        }
  }
}