<!ELEMENT disp-formula-group %disp-formula-group-model; >
(label?, (caption)?, (abstract)*, (kwd-group)*, (alt-text | long-desc | email | ext-link | uri)*, (disp-formula | disp-formula-group)*)
...
<sec>
<title>The Quadratic Formula Explained</title>
<p>...</p>
<disp-formula-group>
<disp-formula id="formula-qf-1">
<label>(1)</label>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mrow>...</mml:mrow>
</mml:math>
</disp-formula>
<disp-formula id="formula-qf-2">
<label>(2)</label>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mrow>...</mml:mrow>
</mml:math>
</disp-formula>
<disp-formula id="formula-qf-3">
<label>(3)</label>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mrow>...</mml:mrow>
</mml:math>
</disp-formula>
</disp-formula-group>
</sec>
...
Journal Publishing Tag Library NISO JATS Draft Version 1.1d2
Version of December 2014