texmath-0.13.3.2: test/reader/tex/atop.test

<<< tex
{a + b \atop c} \over d + e

>>> native
[ EFraction
    NormalFrac
    (EFraction
       NoLineFrac
       (EGrouped [ EIdentifier "a" , ESymbol Bin "+" , EIdentifier "b" ])
       (EIdentifier "c"))
    (EGrouped [ EIdentifier "d" , ESymbol Bin "+" , EIdentifier "e" ])
]