bug#18040: 24.4.50; "@acronym" in "(emacs) Intro"

[Eli Zaretskii]

> Date: Thu, 17 Jul 2014 14:20:25 +0200
> From: Dani Moncayo <dmoncayo@gmail.com>
> 
> (info "(emacs) Intro")
> 
> The first paragraph looks here like this:
> 
>   You are reading about GNU Emacs, the GNU incarnation of the advanced,
>   self-documenting, customizable, extensible editor Emacs.  (The `G' in
>   GNU (@acronym{GNU}'s Not Unix) is not silent.)
>        ^^^^^^^^
> 
> 
> It seems that the "@acronym" texinfo keyword/command/whatever was not
> properly processed by my texinfo (version 4.13, which comes with MSYS),
> and therefore ends up in the final info file.

Evidently, Texinfo 4.x doesn't support recursive @acronyms.