texmath-0.6.7: tests/readers/mml/munder-11.native
[EGrouped [EUnder (EText TextNormal "BASE") (EText TextNormal "x"),ESymbol Op "=",EUnder (EText TextNormal "BASE") (EGrouped [EUnary "\\phantom" (EGrouped [ENumber "1"]),EText TextNormal "x",EUnary "\\phantom" (EGrouped [ENumber "1"])])]]