GNU bug report logs - #60762
28.2; info--manual-names ignores Info-additional-directory-list

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From: Sean Devlin <spd <at> toadstyle.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 60762 <at> debbugs.gnu.org
Subject: bug#60762: 28.2; info--manual-names ignores Info-additional-directory-list
Date: Fri, 13 Jan 2023 12:45:20 -0500

> On Jan 13, 2023, at 8:18 AM, Eli Zaretskii <eliz <at> gnu.org> wrote:
> 
>> From: Sean Devlin <spd <at> toadstyle.org>
>> Date: Fri, 13 Jan 2023 07:04:53 -0500
>> Cc: 60762 <at> debbugs.gnu.org
>> 
>>>> The variable Info-additional-directory-list is intended as the main
>>>> Lisp-level customization point for users.
>>> 
>>> That is inaccurate.  The main Lisp-level customization variable for
>>> users is Info-default-directory-list.  So the question I'd like to ask
>>> before discussing the situations you describe is why don't you
>>> customize Info-default-directory-list instead?
>> 
>> The documentation string for Info-default-directory says:
>> 
>> “Although this is a customizable variable, that is mainly for technical
>> reasons.  Normally, you should either set INFOPATH or customize
>> `Info-additional-directory-list', rather than changing this variable.”
> 
> This text is no longer in the doc string in Emacs 29.
> 
>> To me, this suggests that users should prefer
>> Info-additional-directory-list. I guess that will change in Emacs 29,
>> but that is not released yet.
> 
> Yes, the main customization option is Info-default-directory-list.
> 
>> To be clear, I have already worked around this issue in my own
>> configuration.
> 
> Can you tell whether customizing Info-default-directory-list solves
> the problems in your case?  I'd like to know if there's still a
> problem we need to consider for Emacs 29.

In my view, the problem is that the documentation string for
Info-additional-directory-list is not correct. It seems that this
customization option is still supported in the Emacs 29 branch, so I
think it is still a problem regardless of whether this is the
recommended customization option.

That said, I don't think it is an urgent issue.

To answer your question, customizing Info-default-directory-list is
one valid workaround. It does require some care to keep the default
set of directories it generates, but this snippet seems to work:

(custom-set-variables
 '(Info-default-directory-list
   (append Info-default-directory-list
	   '("/path/to/my/info/files/"))))

Thanks.

> 
> Thanks.

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