I appreciate pedantry as much as the next person, but I think it's safe to say that if you're using a shell without support for `help` you can make your way wit

I appreciate pedantry as much as the next person, but I think it's safe to say that if you're using a shell without support for `help` you can make your way without it. As a more practical suggestion, I find functionality detection is much less important since I learned to disavow all knowledge of a script when sharing it