bug#46917: 28.0.50; error when unloading feature after loading elp

[Lars Ingebrigtsen <larsi@gnus.org>]

Mauro Aranda <maurooaranda@gmail.com> writes:

>> I had a quick look at the documentation -- this limitation doesn't seem
>> to be stated anywhere?
>
> It's hard to take a long look, since the documentation about :extra is
> scarce ;-)

:-)

Indeed.

>> Perhaps it should be, or perhaps the restriction should be lifted?
>
> I don't really have an opinion.  My guess is that expecting :extra to
> come first just makes the code simpler.

I've now applied your patch, and I've also altered the documentation and
doc string to document the actual syntax.  The manual said, for instance:

----
You can also define @dfn{auxiliary methods}, by using one of the
following values as @var{qualifier}:
----

But then listed both the :before (etc) and :extra in the same section,
when you can use both :extra and :before.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no