pub fn currentgrouptype<ET: EngineTypes>(
engine: &mut EngineReferences<'_, ET>,
_tk: ET::Token,
) -> TeXResult<ET::Int, ET>pub fn currentgrouptype<ET: EngineTypes>(
engine: &mut EngineReferences<'_, ET>,
_tk: ET::Token,
) -> TeXResult<ET::Int, ET>