bug#1768: 23.0.60; proced-mode should be autoloaded

[Eli Zaretskii]

> From: Chong Yidong <cyd@gnu.org>
> Cc: 1768@debbugs.gnu.org
> Date: Sun, 05 Aug 2012 22:22:44 +0800
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >  emacs -Q
> >  C-h f proced RET
> >  C-x o
> >  go to to `proced-mode' hyper link and press RET
> >   => No cross-reference here
> >
> > I think this happens because `proced-mode' is not autoloaded.
> 
> This is now fixed with the "autoload on C-h v" feature.

Thanks.  Though it would be nice if the <<foo-map>> trick were
described somewhere in the docs.