Re: doc elisp intro cross reference fixes

[Per Abrahamsen]

Stefan Monnier <address@hidden> writes:

> Indeed.  We'd just need to make (defvar a b "*c") equivalent
> to (defcustom a b "c").

I'd prefer to add a warning to the compiler for (defvar a b "*c"),
with a suggestion to use (defcustom a b "c") instead.

And then fix the warnings.