texmath-0.12.5: test/writer/eqn/msupSadvance1.test
<<< native [ ESuper (EIdentifier "H") (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "\8459") (ENumber "2") ] >>> eqn H sup 2 + \[u210B] sup 2
<<< native [ ESuper (EIdentifier "H") (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "\8459") (ENumber "2") ] >>> eqn H sup 2 + \[u210B] sup 2