// calc-notes — open every note before printing, restore afterwards
(function () {
  window.addEventListener("beforeprint", function () {
    document.querySelectorAll("details.calc-note").forEach(function (d) {
      d.dataset.calcWasOpen = d.open ? "1" : "0";
      d.open = true;
    });
  });
  window.addEventListener("afterprint", function () {
    document.querySelectorAll("details.calc-note").forEach(function (d) {
      d.open = d.dataset.calcWasOpen === "1";
      delete d.dataset.calcWasOpen;
    });
  });
})();