Re: doc elisp intro cross reference fixes

[Stefan Monnier]

> Giving users a way to avoid repeated :group specifications could be
> convenient, but it looks like this way of doing it is unreliable.
> So let's consider another way: a special expression

>   (defcustom-group FOO)

Sounds good to me.  I still prefer the current solution, but it's a good
compromise that I can very well live with.  A variant of it would be to add
a special arg to defgroup like `:default t' or somesuch.


        Stefan