     div.style.height = `${box.height+1}px`;
          document.body.appendChild(div);
      });
      document.documentElement.classList.remove("reftest-wait");
  }
  window.addEventListener("load", () => { loadAllFonts().then(runTests); });
</script>
<body>
  <p>This test passes if you see a green rectangle and no red.</p>
  <div class="container">
    <!-- This font uses assembly glyphs with zero ink descent, which is what
         Latin Modern Math does for U+007C VERTICAL LINE. -->
    <math style="fon