href2.test

<<< native
[ EIdentifier "\960" , ESymbol Bin "+" , ENumber "1" ]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mi>π</mi>
    <mo>+</mo>
    <mn>1</mn>
  </mrow>
</math>