merror-01.test

<<< mml
<?xml version="1.0" encoding="UTF-8"?>

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">  <merror>    <mrow>      <mi>A</mi>
      <mo>/</mo>
      <mn>0</mn>
    </mrow>   </merror> </math>
>>> native
[]