Re: Running external info within Emacs

[Eli Zaretskii <eliz@gnu.org>]

> From: Arash Esbati <arash@gnu.org>
> Cc: emacs-devel@gnu.org
> Date: Thu, 30 Mar 2023 17:00:25 +0200
> 
> 'echo $INFOPATH' in a MinGW64 shell returns (line-breaks added manually)
> 
>   /mingw64/local/info:
>   /mingw64/share/info:
>   /usr/local/info:
>   /usr/share/info:
>   /usr/info:/share/info:
>   /c/texlive/2023/texmf-dist/doc/info
> 
> (getenv "INFOPATH") in Emacs returns:
> 
>   "C:\\msys64\\mingw64\\local\\info;
>   C:\\msys64\\mingw64\\share\\info;
>   C:\\msys64\\usr\\local\\info;
>   C:\\msys64\\usr\\share\\info;
>   C:\\msys64\\usr\\info;
>   C:\\msys64\\share\\info;
>   C:\\texlive\\2023\\texmf-dist\\doc\\info"
> 
> > What is the file name of the latex2e Info file,
> 
>   latex2e.info
> 
> > and does it have a menu entry in the DIR file in any of the
> > directories mentioned in INFOPATH?
> 
> Yes, the dir file starts like this:
> 
>   This is the file .../info/dir, which contains the
>   topmost node of the Info hierarchy, called (dir)Top.
>   The first time you invoke Info you start off looking at this node.
>   \x1f
>   File: dir,	Node: Top	This is the top of the INFO tree
> 
>     This (the Directory node) gives a menu of major topics.
>     Typing "q" exits, "?" lists all Info commands, "d" returns here,
>     "h" gives a primer for first-timers,
>     "mEmacs<Return>" visits the Emacs manual, etc.
> 
>     In Emacs, you can click mouse button 2 on a menu item or cross reference
>     to select it.
> 
>   * Menu:
> 
>   Science
>   * Asymptote: (asymptote).       Vector graphics language.
>   * Asymptote FAQ: (asy-faq).     FAQ for Asymptote.
> 
>   TeX
>   * Dvipng: (dvipng).             DVI to Portable Network Graphics (PNG).
>   * Dvips: (dvips).               Translating TeX DVI files to PostScript.
>   * Eplain: (eplain).             Expanding on plain TeX.
>   * EpsPDF: (epspdf).             Portable GUI&cmdline EPS/PS/PDF conversion.
>   * Kpathsea: (kpathsea).         File lookup along search paths.
>   * LaTeX2e: (latex2e).           LaTeX2e unofficial reference manual.
>   [...]

Then this is either a bug in MSYS2 stand-alone Info reader, or
something else is at work here that we don't see.

What happens if you copy latex2e.info to C:\msys64\mingw64\share\info?