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