texmath-0.12.5: test/writer/eqn/mfracZcomp-04.test

<<< native
[ EText TextNormal "Inline, auto, thick line\160"
, EFraction
    NormalFrac
    (EGrouped
       [ ESuper (EIdentifier "x") (ENumber "2")
       , ESymbol Bin "+"
       , ENumber "1"
       ])
    (EIdentifier "x")
, EText
    TextNormal ", the superscripted 2 should be script-script size."
]
>>> eqn
roman "Inline, auto, thick line " {x sup 2 + 1} over x roman ", the superscripted 2 should be script-script size."