RE: What version of Emacs still requires '*' in defcustom docs?

[Drew Adams]

> > Why is it important to make such a change?
> 
> Because complexity is a problem in itself and as maintainers our main
> task is to try and keep it in check, so the code doesn't crumble under
> its own weight.

So do _nothing_.  No added complexity for maintainers.
No loss of features for users.

This code and behavior for users have remained unchanged since at least Emacs
21.1, as some have been eager to point out.