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Re: can't access info dir in emacs under msys2

From: Oleksandr Gavenko
Subject: Re: can't access info dir in emacs under msys2
Date: Mon, 10 Oct 2016 17:01:00 +0300
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

On 2016-10-03, Bostjan Vilfan wrote:

> however, I am experiencing difficulties in accessing manuals, other than the
> emacs manual and the emacs lisp manual (for example, I would like to access
> the org mode manual). Could someone, please, let me know how to set up emacs
> so that I can access all manuals in /msys64/mingw64/share/info.

``Info-directory-list`` is the easiest way to extend INFOPATH.

With native Emacs and ``cygwin-mount.el`` you may have:

--8<---------------cut here---------------start------------->8---
--8<---------------cut here---------------end--------------->8---

Trailing ``:`` ensure that default search path included in search.

In that way these variables can be used both by Cygwin/MSYS ``info``/``emacs``
and native Emacs. See example in:

Because I have personal info pages store and always use ``cygwin-mount.el`` on
Windows I have:

--8<---------------cut here---------------start------------->8---
  (unless (getenv "INFOPATH")
    (if (eq system-type 'windows-nt)
        (setenv "INFOPATH" (concat (expand-file-name "~/usr/share/info") 
      (setenv "INFOPATH" (expand-file-name "~/usr/share/info:"))))

  ;; Assume that cygwin-mount already activated.
  (when (featurep 'cygwin-mount)
    (setenv "INFOPATH" "/usr/share/info/:~/usr/share/info/:")
    ;; Redefine path-separator to UNIX to update Info-directory-list.
    (let ( (path-separator ":") )
      (require 'info)
      (info-initialize) ))
--8<---------------cut here---------------end--------------->8---


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