texmath-0.7: tests/readers/mml/mfrac-06.native

[EFraction NormalFrac (EFraction NormalFrac (EIdentifier "a") (EIdentifier "b")) (EFraction NormalFrac (EIdentifier "c") (EIdentifier "d")),ESymbol Rel "=",EFraction NormalFrac (EFraction NormalFrac (EIdentifier "a") (EIdentifier "b")) (EFraction NormalFrac (EIdentifier "c") (EIdentifier "d"))]