Er gwaetha'r rhybuddion clir a niferus y byddai unrhyw ymgais gan San Steffan a Whitehall i gymryd y pwerau sydd gan yr UE ar hyn o bryd a’u cadw iddyn nhw eu hunain yn hollol annerbyniol, dyna'n union y mae Cymal 11 o Fil yr UE (Ymadael) yn ceisio ei wneud.
Despite the very clear and repeated warnings that any attempt by Westminster and Whitehall to take the powers currently vested in the EU to themselves would be wholly unacceptable, this is precisely what Clause 11 of the EU (Withdrawal) Bill seeks to do.