GNU bug report logs - #63555
emacs 29 complains that it can't connect to the display

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From: Phillip Susi <phill <at> thesusis.net>
To: 63555 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>, Po Lu <luangruo <at> yahoo.com>
Subject: bug#63555: closed (Re: bug#63555: emacs 29 complains that it can't connect to the display)
Date: Sat, 20 May 2023 13:35:56 -0400

Eli Zaretskii <eliz <at> gnu.org> writes:

> > Can we invoke those same functions earlier during startup to realize
> > this fact where we still can start as -nw?
> 
> Unfortunately not.  At least, not enough to make a change suitable for
> the release branch.

Why not?  How hard can it be to set -nw if neither DISPLAY nor
WAYLAND_DISPLAY is set, as emacs always has, prior to
window-system-initialization?

> Btw, the Emacs user manual says WAYLAND_DISPLAY is the variable used
> by PGTK, which you seem to say is inaccurate?

Yes, WAYLAND_DISPLAY is used if it is set ( as it will be under wayland
), or DISPLAY otherwise ( under X11, or wayland with Xwayland ).

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