texmath-0.12.5: test/writer/mml/digit-bold.test

<<< native
[ EText
    TextNormal
    "\120782\120783\120784\120785\120786\120787\120788\120789\120790\120791"
]
>>> mml
<?xml version='1.0' ?>
<math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
  <mtext mathvariant="normal">𝟎𝟏𝟐𝟑𝟒𝟓𝟔𝟕𝟖𝟗</mtext>
</math>