[MathML] Bottom horizontal brace

[bird1500]

Hi,
How can I draw the bottom horizontal brace from the screenshot?

So far I could only implement the bottom equation itself, without the brace:


<math xmlns="http://www.w3.org/1998/Math/MathML">
<mo>=</mo>
<mfrac bevelled="true">
<mrow>
<mo>(</mo>
<mfrac>
<mrow><mn>2</mn><mi>n</mi></mrow>
<mrow><mi>r</mi><mo>-</mo><mi>l</mi></mrow>
</mfrac>
<mo>&#x22C5;</mo>
<msub><mi>x</mi><mi>e</mi></msub>
<mo>+</mo>
<mfrac>
<mrow><mi>r</mi><mo>+</mo><mi>l</mi></mrow>
<mrow><mi>r</mi><mo>-</mo><mi>l</mi></mrow>
</mfrac>
<mo>&#x22C5;</mo>
<msub><mi>z</mi><mi>e</mi></msub>
<mo>)</mo>
</mrow>
<msub><mi>&minus;z</mi><mi>e</mi></msub>
</mfrac>

</math>

[spjackson]

This (https://developer.mozilla.org/en-US/docs/Mozilla_MathML_Project/MathML_Torture_Test) has an example in row 22 of the table.

[bird1500]

Thanks buddy, it works, the tag "munder" is the key.