<<< tex \newcommand{\my}[1]{(#1)} % diacritics \tilde\phi % unary operators \sqrt\phi % binary operators \frac\phi\xi \frac \phi {\xi} \frac {\phi} \xi % custom \my\phi \my{\phi}\xi >>> native [ EOver False (EIdentifier "\981") (ESymbol Accent "\771") , ESqrt (EIdentifier "\981") , EFraction NormalFrac (EIdentifier "\981") (EIdentifier "\958") , EFraction NormalFrac (EIdentifier "\981") (EIdentifier "\958") , EFraction NormalFrac (EIdentifier "\981") (EIdentifier "\958") , EDelimited "(" ")" [ Right (EIdentifier "\981") ] , EDelimited "(" ")" [ Right (EIdentifier "\981") ] , EIdentifier "\958" ]