rec-annotation1

semantics with TeX encoded annotation

W3C sample WIRIS
x 5 \sin x + 5 
<math xmlns="http://www.w3.org/1998/Math/MathML">
  <semantics>
    <apply>
      <plus/>
      <apply>
        <sin/>
        <ci>x</ci>
      </apply>
      <cn>5</cn>
    </apply>
    <annotation encoding="TeX">\sin x + 5</annotation>
  </semantics>
</math>

Author: MathML 2 Recomendation