GNU bug report logs - #70402
29.3; Error in "(emacs)Package Installation" description.

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Message #17 received at 70402 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Philip Kaludercic <philipk <at> posteo.net>,
 Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: tpeplt <at> gmail.com, 70402 <at> debbugs.gnu.org
Subject: Re: bug#70402: 29.3; Error in "(emacs)Package Installation"
 description.
Date: Mon, 22 Apr 2024 16:04:28 +0300

> From: Philip Kaludercic <philipk <at> posteo.net>
> Cc: Eli Zaretskii <eliz <at> gnu.org>,  70402 <at> debbugs.gnu.org
> Date: Mon, 22 Apr 2024 12:34:43 +0000
> 
> tpeplt <tpeplt <at> gmail.com> writes:
> 
> >>> The final sentence in this paragraph says that
> >>> ‘package-enable-at-startup’ cannot be set via Customize, but it is
> >>> possible in Emacs 29.3 to set that variable via Customize.  Type the
> >>> following:
> >>> 
> >>> M-x customize-option RET
> >>> Customize variable: package-enable-at-startup RET
> >>> 
> >>> After this sequence, the buffer "*Customize Option: Package Enable At
> >>> Startup*" is displayed, which according to the Emacs user manual should
> >>> not be possible.
> >
> >>
> >> I think you misunderstand what the manual attempts to convey: that
> >> customizing this variable will not have the desired effect, because it
> >> must be set before reading the init file.
> >
> > If I understand you correctly, then there are two reasons, rather than
> > one, for why the variable ‘package-enable-at-startup’ should not be an
> > (customizable) option:
> >
> > 1. Because the Emacs user manual says that it cannot be set (it can).
> >
> > 2. Because setting the variable via ‘customize-option’ has no effect (it
> > happens too late in the initialization sequence?).
> >
> > If the user manual says that "something" cannot be done and doing so
> > anyway would have no effect, then it should not be possible to do that
> > "something."
> 
> When in doubt, "cannot" for Emacs usually means "will not do what you
> want it to" instead of "it is not possible to", or that is at least how
> I read the sentence here.  That being said, I guess the manual could be
> clarified, or one could revert `package-enable-at-startup' to a regular
> variable?  I am not sure what the policy on the last point is.

Stefan, any suggestions?

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