gnome-todo -V (return code: 1)
Unable to init server: Could not connect: Connection refused
(gnome-todo:241): Gtk-WARNING **: cannot open display:
gnome-todo --help (return code: 0)
Usage:
gnome-todo [OPTION?]
Help Options:
-h, --help Show help options
--help-all Show all help options
--help-gapplication Show GApplication options
--help-gtk Show GTK+ Options
Application Options:
--display=DISPLAY X display to use