Re: What's the right way to define a custom info path.

["Pierre Téchoueyres" <pierre.techoueyres@free.fr>]

First, thanks for the answer.
I note that the recommended way to setup info is to use INFOPATH.
But, just for my knowledge, I would ask you about one or two things below.

Eli Zaretskii wrote:

>> ...
>> ** My questions
>>    Have I do something wrong with my config ? Should I set an INFOPATH
>>    env var with absolutes paths ? If the answer of the previous questions
>>    is : No, should I open bugs ?
> 
> The way to set this up correctly is to define the INFOPATH environment
> variable (outside Emacs) which mentions the directories with Info
> files in the proper order.  The Emacs is supposed to automatically
> pick up the directories from INFOPATH, and you should be able to read
> your manuals without any further problems.
> 
> You are instead trying to futz with Emacs variables that are not
> supposed to do that well.  I suggest to save yourself a lot of trouble
> and go via INFOPATH.
> 
>> ** My questions
>>    Have I do something wrong with my config ? Should I set an INFOPATH
>>    env var with absolutes paths ?
> 
> Yes to INFOPATH.
> 
>>    If the answer of the previous questions is : No, should I open bugs ?
> 
> No, there's no bug here, AFAICT.  If you want to set up
> Info-directory-list or Info-additional-directory-list, you must load
> info.elc first.  (But again, I don't recommend going that way.)

But these two variables could be modified with the custom machinery, and so 
without requiring info[.elc] aren't they ? But I understand your advice that 
doing that is discouraged.

Second, the default value for Info-default-directory-list (as computed by 
the defcustom in info.el) is ("%emacs_dir/info") on my windows install. Is 
this the expected behaviour ? this value is obviously overridden by info-
initialize and become, in my install, ("c:/programmes/emacs/info").
Again is this the expected behaviour ?

Third, in the windows patform (substitute-env-vars "%emacs_dir%") doesn't 
produce "c:/programmes/emacs" as I expected. But (substitute-env-vars 
"$emacs_dir") do the expansion. Is this the expected behaviour ? Is it that 
we should not offer a version that performs primary processing ?

Thanks agin for your answers.