passed

ElementaryMathExamples-msline01

test for : msline position="2"

W3C sample	WIRIS
	$12345$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mstack>
    <mn>12345</mn>
    <msline length="2" position="2"/>
  </mstack>
</math>

Author: Yecheng Gu