<item label="Économiseur d'écran">
<action name="Execute">
<execute>
- gnome-screensaver-preferences
+ xscreensaver-demo
</execute>
</action>
</item>
<item label="Verrouiller l'écran">
<action name="Execute">
<execute>
- gnome-screensaver-command -\-lock
+ xscreensaver-command -lock
</execute>
</action>
</item>