<<< native [ EOver False (EGrouped [ EIdentifier "G" , ESymbol Bin "-" , ENumber "1" ]) (ESymbol Accent "\8254") , ESymbol Bin "+" , EOver False (EGrouped [ EIdentifier "G" , ESymbol Accent "-" , ENumber "1" ]) (ESymbol Accent "\8254") , ESymbol Bin "+" , EOver False (EGrouped [ EIdentifier "G" , ESymbol Bin "-" , ENumber "1" ]) (ESymbol Ord "\8254") ] >>> tex \bar{G - 1} + \bar{G-1} + \overset{‾}{G - 1}