Re: doc elisp intro cross reference fixes

[Stefan Monnier]

>    What I suggested is to make something like `:group nil' not place
>    the defcustom in any group (obviously not even in the `nil' group).

> So the existence of this `nil' group actually _is_ unintentional?

Yes.

> I somehow got the impression from some of your previous posts that you
> considered it an improvement over 21.3.

I happen to like it, but I don't consider it an improvement.
You might have gotten this impression from the message where I said
that it was good that M-x customize-variable and M-x set-variable
work on variables declared only as (defcustom a b "c").


        Stefan