<<< mml $\overline{G-1}+\overline{G-1}+\overline{G-1}$ >>> native [ EOver False (EGrouped [ EIdentifier "G" , ESymbol Bin "-" , ENumber "1" ]) (ESymbol Ord "\8254") , ESymbol Bin "+" , EOver False (EGrouped [ EIdentifier "G" , ESymbol Accent "-" , ENumber "1" ]) (ESymbol Ord "\8254") , ESymbol Accent "+" , EOver False (EGrouped [ EIdentifier "G" , ESymbol Bin "-" , ENumber "1" ]) (ESymbol Ord "\8254") ]