failed

rec3-ElementaryMathExamples-02

MathML3 specification example

W3C sample WIRIS
123 456 + 579
<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mstack>
    <mn>123</mn>
    <msrow>
      <mn>456</mn>
      <mo>+</mo>
    </msrow>
    <msline/>
    <mn>579</mn>
  </mstack>
</math>

Author: MathML3