chromium/third_party/blink/web_tests/external/wpt/mathml/presentation-markup/operators/mo-dynamic-mozilla-347348-ref.xhtml

<html xmlns="http://www.w3.org/1999/xhtml">

<head>
</head>

<body>

<div><math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
<mrow>
  <mi>x</mi>
  <mo id="mo"></mo>
  <mi>y</mi>
  </mrow>
</math></div>

</body>
</html>