bug#9528: 24.0.50; Info navigation

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: dmoncayo@gmail.com,  9528@debbugs.gnu.org
> Date: Mon, 19 Sep 2011 12:41:18 -0400
> 
> So if you really insist on having your behavior, then add a custom var
> (which should default to follow the superficial behavior), which you can
> then set in your .emacs.

Fine with me.