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From: Tomas Hlavaty <tom@logand.com>
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Subject: Re: master fe7c015b20: Support XFCE in wallpaper.el
Date: Mon, 19 Sep 2022 22:16:07 +0200
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Cc: Stefan Kangas <stefankangas@gmail.com>, emacs-devel@gnu.org
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On Mon 19 Sep 2022 at 18:05, Thierry Volpiatto <thievol@posteo.net> wrote:
>     (let* ((screen  (shell-command-to-string "echo -n $DISPLAY"))

would (getenv "DISPLAY") be better?