texmath-0.12.5: test/roundtrip/mfracSinheritance14.native

[ EFraction
    NormalFrac
    (EFraction
       NormalFrac
       (ENumber "1")
       (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ]))
    (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ])
, EFraction
    NormalFrac
    (ENumber "1")
    (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ])
, EFraction
    NormalFrac
    (EFraction
       NormalFrac
       (ENumber "1")
       (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ]))
    (EGrouped [ EIdentifier "y" , ESymbol Bin "+" , ENumber "3" ])
]