Sous OpenBSD, désactiver le screensaver de XFCE4

Liens :
http://mynixworld.info/2011/10/18/how-to-disable-xfce-screensaver/
https://forum.xfce.org/viewtopic.php?id=13268
https://forum.xfce.org/viewtopic.php?id=8303
https://ubuntuforums.org/showthread.php?t=1810262

1/ Vérifier si le screensaver est actif.

local$ xfconf-query -c xfce4-session -lv
...
/startup/screensaver/enabled true

2/ Désactiver le screensaver.

local$ xfconf-query -c xfce4-session -n -t bool -p /startup/screensaver/enabled -s false

3/ Vérifier si le screensaver est désactivé.

local$ xfconf-query -c xfce4-session -lv
...
/startup/screensaver/enabled false