bug#7942: 23.2; Duplicate entries in Info dir file

[Eli Zaretskii]

> Date: Fri, 18 Feb 2011 19:23:45 +0100
> Cc: cyd@stupidchicken.com, 7942@debbugs.gnu.org
> From: Ulrich Mueller <ulm@gentoo.org>
> 
> It's much better, but several duplicate entries remain:
> 
> elisp: appears both in categories "Emacs" and "GNU Emacs Lisp".
> 
> eintr: ditto.
> 
> ede: appears twice in category "Emacs misc features" (caused by
> different character case?):
> * EDE: (ede).                   The Emacs Development Environment.
> * ede: (ede).                   Project management for Emacs.
> 
> eieio: ditto.

Fixed those, please try again.

> info: appears on top of the file (no category header) and under
> "Texinfo documentation system".

That's expected, and perhaps even desired (info.texi is part of the
Texinfo project and is maintained there, but it is also the first
manual newcomers to Info should read).  I asked the Texinfo maintainer
if he has better ideas.