<!DOCTYPE html>
<html>
<head>
  <title>op-dict mo movablelimits</title>
  <link rel="match" href="op-dict-12-ref.html">
</head>
<body>
  <math>
    <munder>
      <mo movablelimits="true">&sum;</mo>
      <mi>x</mi>
    </munder>
  </math>
</body>
</html>
