xdg-settings --version (return code: 0)
xdg-settings 1.1.0 rc3
xdg-settings --help (return code: 0)
xdg-settings - get various settings from the desktop environment
Synopsis
xdg-settings { get | check | set } {property} [subproperty] [value]
xdg-settings { --help | --list | --manual | --version }
Use 'man xdg-settings' or 'xdg-settings --manual' for additional info.