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From: Eli Zaretskii <eliz@gnu.org>
To: Noam Postavsky <npostavs@users.sourceforge.net>
Cc: bo.johansson@lsn.se, 10980@debbugs.gnu.org
Subject: bug#10980: GNU bugs information: logs for bug#10980
Date: Wed, 22 Jun 2016 17:57:30 +0300	[thread overview]
Message-ID: <83fus55l0l.fsf@gnu.org> (raw)
In-Reply-To: <CAM-tV-899k6Dm5+mmgj0LTv8d+YwCcYHzAhCXVkW0GuZkFPepA@mail.gmail.com> (message from Noam Postavsky on Tue, 21 Jun 2016 22:54:25 -0400)

> From: Noam Postavsky <npostavs@users.sourceforge.net>
> Date: Tue, 21 Jun 2016 22:54:25 -0400
> Cc: 10980@debbugs.gnu.org, bo.johansson@lsn.se
> 
> On Tue, Jun 21, 2016 at 10:39 PM, Eli Zaretskii <eliz@gnu.org> wrote:
> >> From: Noam Postavsky <npostavs@users.sourceforge.net>
> >> Date: Tue, 21 Jun 2016 17:03:21 -0400
> >> Cc: 10980@debbugs.gnu.org, bo.johansson@lsn.se
> >>
> >> I feel like I'm missing some important point here. If these
> >> environment variables won't affect subprocess environments, why set
> >> them at all?
> >
> > Because Emacs itself needs them.  They must be in Emacs's environment,
> > but don't have to be in Vprocess_environment.
> 
> What does it need them for?

Various features in Emacs rely on them to be present and valid
(because that's what happens on Posix systems).

> Just because Emacs consults the values from its environment?

Yes.

> Is there some reason not to use just plain old global variables?

On all platforms, or just on Windows?

In any case, doing that would mean a much larger job, even if it's
possible.  E.g., how do you deal with Lisp code that expects
(expand-file-name "~") and (getenv "HOME") to yield the same value?





  reply	other threads:[~2016-06-22 14:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAM-tV-8GBPbR3WO9Y_k6mrWop2ZcJCL16R9R2=zmFU5brRp5+w@mail.gmail.com>
     [not found] ` <handler.s.R.14653322689344.info.0@debbugs.gnu.org>
2016-06-08  3:54   ` bug#10980: GNU bugs information: logs for bug#10980 Noam Postavsky
2016-06-08 16:40     ` Eli Zaretskii
2016-06-21  0:23       ` Noam Postavsky
2016-06-21 13:27         ` Eli Zaretskii
2016-06-21 21:03           ` Noam Postavsky
2016-06-22  2:39             ` Eli Zaretskii
2016-06-22  2:54               ` Noam Postavsky
2016-06-22 14:57                 ` Eli Zaretskii [this message]
2016-06-29 13:12                   ` Noam Postavsky
2016-06-29 15:15                     ` Eli Zaretskii
2016-06-29 15:26                       ` Noam Postavsky
2016-06-29 15:34                         ` Eli Zaretskii
2016-06-29 23:02                           ` Noam Postavsky
2016-07-09 10:57                             ` Eli Zaretskii
2016-07-18 21:52                               ` Noam Postavsky

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