<<< native [ ENumber "2" , ESymbol Bin "+" , ESqrt (EGrouped [ EIdentifier "x" , ESymbol Bin "+" , ENumber "1" ]) , ESpace (0 % 1) , EGrouped [ ENumber "2" , ESymbol Bin "+" , ESqrt (EGrouped [ EIdentifier "x" , ESymbol Bin "+" , ENumber "1" ]) ] ] >>> tex 2 + \sqrt{x + 1}{2 + \sqrt{x + 1}}