texmath-0.12.5: test/writer/mml/mphantomBoperators3.test

<<< native
[ EIdentifier "A"
, ESymbol Bin "+"
, EIdentifier "A"
, EPhantom (ESymbol Bin "+")
, EIdentifier "A"
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow>
    <mi>A</mi>
    <mo>+</mo>
    <mi>A</mi>
    <mphantom>
      <mo>+</mo>
    </mphantom>
    <mi>A</mi>
  </mrow>
</math>