<!DOCTYPE html>
<html>
  <head>
    <title>mo-lspace-rspace-4</title>
    <link rel="match" href="mo-lspace-rspace-4-ref.html">
  </head>
  <body>
    <p>
      <math>
        <mtext>_</mtext>
        <mfrac>
          <mo lspace="1em" rspace="2em">_</mo>
          <mtext>_</mtext>
        </mfrac>
        <mtext>_</mtext>
      </math>
    </p>
  </body>
</html>
