Nemeth -- Rule 80b(4)

[NSoiffer]

Need to restate the level before the multipurpose indicator.

MathML

<math><msub><mi>A</mi>
   <mrow><mover><mi>x</mi><mo>~</mo></mover>
         <mo>+</mo>
         <mover><mi>y</mi><mo>~</mo></mover>
   </mrow></msub></math>

Returns   "⠠⠁⠰⠐⠭⠣⠈⠱⠻⠬⠐⠽⠣⠈⠱⠻"
Should be "⠠⠁⠰⠐⠭⠣⠈⠱⠻⠬⠰⠐⠽⠣⠈⠱⠻"