/// empty macro, put arguments into args, possibly strip arity-attachedArgsNum_ empty ones.
/// Includes the optional arguments.
void detachArguments(std::vector<MathData> & args, bool strip);
/// empty macro, put arguments into args, possibly strip arity-attachedArgsNum_ empty ones.
/// Includes the optional arguments.
void detachArguments(std::vector<MathData> & args, bool strip);