<<< native [ EOver False (EIdentifier "x") (ESymbol Accent "\732") , ESymbol Rel "\8800" , EOver False (EIdentifier "x") (ESymbol Ord "\732") , ESymbol Rel "=" , EOver False (EIdentifier "x") (ESymbol Ord "\732") , ESymbol Rel "=" , EOver False (EIdentifier "x") (ESymbol Ord "\732") ] >>> tex \widetilde{x} \neq \overset{˜}{x} = \overset{˜}{x} = \overset{˜}{x}