On Sun, Nov 17, 2013 at 1:25 AM, Stefan Monnier
<monnier@iro.umontreal.ca> wrote:
>> * Remove iswitchb in doc/emacs/{buffers, ack, emacs}.texi
>
> ..and replace it with icomplete-mode, indeed, yes.

icomplete-mode is already documented (although it's brief).

>> * move iswitchb.el to lisp/obsolete/
>> * Add a `;; Obsolete-since: 24.4' header
>
> I'm OK with that.  But packages in `obsolete' aren't autoloaded (they
> aren't scanned for ;;;###autoload cookies), and AFAIK many users use
> iswitchb-mode in their .emacs, so please add an explicit autoload of
> iswtchb-mode, then (and make sure the autoload's docstring says that
> it's obsolete).

OK, what about the following patch?

-- 
http://www.gnu.org/software/emacs/