rec-domainofapplication1

W3C sample	WIRIS
	$\int f\,d$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <apply>
    <int/>
    <domainofapplication>
      <ci>C</ci>
    </domainofapplication>
    <ci>f</ci>
  </apply>
</math>

Author: MathML 2 Recommendation