pub fn expand_until_endgroup<ET: EngineTypes, Fn: FnMut(&mut EngineAux<ET>, &ET::State, ET::Token) -> TeXResult<(), ET>>(
engine: &mut EngineReferences<'_, ET>,
expand_protected: bool,
edef_like: bool,
token: &ET::Token,
cont: Fn,
) -> TeXResult<(), ET>Expand description
Default implementation for Gullet::expand_until_endgroup.