insize="7em" maxsize="2em" stretchy="true" symmetric="false">⥯</mo>
        <mn><!-- not space like --></mn>
      </mrow>
    </math>
  </p>
  <p>
    <math>
      <mrow>
        <mspace width="1em" height="5em" style="background: blue"/>
        <mo id="minsize_less_than_negative_maxsize" minsize="-2em" maxsize="-1em" stretchy="true" symmetric="false">⥯</mo>
        <mn><!-- not space like --></mn>
      </mrow>
    </math>
  </p>
  <p>
    <math>
      <mrow>
        <mspace id="zero_target_size_with