<<< native [ ESuper (EIdentifier "x") (ENumber "2") , ESymbol Bin "+" , ESuper (ENumber "2") (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "x") (ESymbol Ord "\8242") , ESymbol Bin "+" , ESuper (EIdentifier "x") (ESymbol Accent "'") , ESymbol Bin "+" , ESuper (EIdentifier "x") (EMathOperator "''") , ESymbol Bin "+" , EIdentifier "x" , EIdentifier "\8242" , ESymbol Bin "+" , ESuper (ESuper (EIdentifier "x") (ESymbol Accent "'")) (ESymbol Accent "'") , ESymbol Bin "+" , ESuper (ESuper (EIdentifier "x") (ESymbol Accent "'")) (ENumber "2") , ESymbol Bin "+" , ESuper (EIdentifier "x") (EGrouped [ ESymbol Accent "'" , ESymbol Bin "+" , ESymbol Accent "'" ]) , ESymbol Bin "+" , ESuper (ESuper (EIdentifier "x") (ESymbol Accent "'")) (ESymbol Accent "'") , ESymbol Bin "+" , ESuper (EIdentifier "x") (ESuper (ESymbol Accent "'") (ESymbol Accent "'")) , ESymbol Bin "+" , ESuper (ESymbol Accent "'") (ESymbol Accent "'") , ESymbol Bin "+" , ESuper (ESymbol Accent "'") (ESymbol Accent "'") ] >>> tex x^{2} + 2^{2} + x^{\prime} + x^{'} + x^{\operatorname{''}} + x\prime + {x^{'}}^{'} + {x^{'}}^{2} + x^{' + '} + {x^{'}}^{'} + x^{'^{'}} + '^{'} + '^{'}