texmath-0.6.7: tests/readers/mml/msub-10.native
[EGrouped [ESub (EIdentifier "S") (ENumber "5"),ESymbol Op "=",EUnder (EGrouped [ESub (EIdentifier "S") (ENumber "5")]) (EUnary "\\phantom" (EGrouped [EIdentifier "t"]))]]
[EGrouped [ESub (EIdentifier "S") (ENumber "5"),ESymbol Op "=",EUnder (EGrouped [ESub (EIdentifier "S") (ENumber "5")]) (EUnary "\\phantom" (EGrouped [EIdentifier "t"]))]]