<<< native [ EFraction NormalFrac (ENumber "1") (EGrouped [ ENumber "2" , EIdentifier "\960" ]) , ESymbol Rel "=" , EFraction NormalFrac (EOver False (ENumber "1") (EPhantom (ENumber "0"))) (EGrouped [ ENumber "2" , EIdentifier "\960" ]) ] >>> eqn 1 over {2 pi} = {1 to {hphantom 0}} over {2 pi}