texmath-0.7: tests/readers/mml/msupSadvance1.native
[ESuper (EIdentifier "H") (ENumber "2"),ESymbol Bin "+",ESuper (EIdentifier "\8459") (ENumber "2")]
[ESuper (EIdentifier "H") (ENumber "2"),ESymbol Bin "+",ESuper (EIdentifier "\8459") (ENumber "2")]