failed

ElementaryMathExamples-mscarry12

test for : mscarry location="n"

W3C sample WIRIS
2 1 2,327 - 1,156 1,171 
<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mstack charspacing="loose">
    <mscarries location="nw">
      <none/>
      <mscarry crossout="updiagonalstrike" location="n">
        <mn>2</mn>
      </mscarry>
      <mn>1</mn>
      <none/>
    </mscarries>
    <mn>2,327</mn>
    <msrow>
      <mo>-</mo>
      <mn>1,156</mn>
    </msrow>
    <msline/>
    <mn>1,171</mn>
  </mstack>
</math>

Author: Yecheng Gu