Stefan Monnier writes:
>> I got sidetracked at that time, but I'm currently working it. The
>> essential functionality won't change, though: the main work is done in
>> eieio.el and eieio-opt.el. The only things that get's added to
>> help-fns.el is the new `help-fns-describe-function-functions' hook.
>> Would it be OK to apply it in the coming days?
>
> I remember discussions around that, yes.  Send us the patch and we'll
> see if that can be installed.

Much to my surprise I didn't get much done over the holidays, but
anyway, here it is.

The patch looks large, but as you can see, most of the stuff is just for
displaying the class/constructor/slot descriptions. The real core of the
patch is, as I've written above, the new hook in help-fns.el.

Is it OK to install, or will it have to wait?

-David