);
  }

  setup({ explicit_done: true });
  window.addEventListener("load", runTests);

  function runTests() {
    test(function() {
      var none = getBox("none");
      assert_equals(none.width, 0, "zero width");
      assert_approx_equals(getBox("baseline").bottom - none.top, 0, epsilon, "zero depth");
      assert_approx_equals(none.bottom - getBox("baseline").bottom, 0, epsilon, "zero depth");
    }, "mpadded (no attributes)");

    test(function() {
      for (var i = 0; i <= 2; i++) {
        var m