<math xmlns="http://www.w3.org/1998/Math/MathML" id="p1.1.m1.1" class="ltx_Math" alttext="{\displaystyle{\displaystyle\bar{L}}}" display="inline">
  <semantics id="p1.1.m1.1a">
    <mover accent="true" id="p1.1.m1.1.1" xref="p1.1.m1.1.1.cmml">
      <mi id="p1.1.m1.1.1.2" xref="p1.1.m1.1.1.2.cmml">L</mi>
      <mo stretchy="false" id="p1.1.m1.1.1.1" xref="p1.1.m1.1.1.1.cmml">¯</mo>
    </mover>
    <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b">
      <apply id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">
        <ci id="p1.1.m1.1.1.1.cmml" xref="p1.1.m1.1.1.1">¯</ci>
        <ci id="p1.1.m1.1.1.2.cmml" xref="p1.1.m1.1.1.2">𝐿</ci>
      </apply>
    </annotation-xml>
    <annotation encoding="application/x-tex" id="p1.1.m1.1c">{\displaystyle{\displaystyle\bar{L}}}</annotation>
  </semantics>
</math>

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block" alttext="{\displaystyle {\bar {L}}}">
  <semantics>
    <mrow class="MJX-TeXAtom-ORD">
      <mstyle displaystyle="true" scriptlevel="0">
        <mrow class="MJX-TeXAtom-ORD">
          <mrow class="MJX-TeXAtom-ORD">
            <mover>
              <mi>L</mi>
              <mo stretchy="false">&#x00AF;<!-- ¯ --></mo>
            </mover>
          </mrow>
        </mrow>
      </mstyle>
    </mrow>
    <annotation encoding="application/x-tex">{\displaystyle {\bar {L}}}</annotation>
  </semantics>
</math>