ElementaryMathExamples-mstack04

test for : mstack stackalign="decimalpoint"

W3C sample	WIRIS
	$0.133+0.3375$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mstack stackalign="decimalpoint">
    <mn>0.133</mn>
    <msrow>
      <mo>+</mo>
      <mn>0.3375</mn>
    </msrow>
    <msline/>
  </mstack>
</math>

Author: Yecheng Gu