texmath-0.13.1.2: test/roundtrip/mrow-01.native
[ EFraction NormalFrac (EIdentifier "x") (ENumber "4") , ESymbol Rel "=" , EFraction NormalFrac (EIdentifier "x") (ENumber "4") ]
[ EFraction NormalFrac (EIdentifier "x") (ENumber "4") , ESymbol Rel "=" , EFraction NormalFrac (EIdentifier "x") (ENumber "4") ]