<<< native [ EUnderover False (ESymbol Op "\8721") (EIdentifier "x") (ENumber "0") , ESymbol Rel "=" , EUnderover False (ESymbol Op "\8721") (EIdentifier "x") (ENumber "0") , ESymbol Rel "=" , EUnderover False (ESymbol Op "\8721") (EIdentifier "x") (ENumber "0") , ESymbol Rel "=" , EGrouped [ EUnderover False (ESymbol Op "\8721") (EIdentifier "x") (ENumber "0") , ESymbol Rel "=" , EUnderover False (ESymbol Op "\8721") (EIdentifier "x") (ENumber "0") , ESymbol Rel "=" , EUnderover False (ESymbol Op "\8721") (EIdentifier "x") (ENumber "0") ] ] >>> tex \sum\limits_{x}^{0} = \sum\limits_{x}^{0} = \sum\limits_{x}^{0} = {\sum\limits_{x}^{0} = \sum\limits_{x}^{0} = \sum\limits_{x}^{0}}