-# same for groups
-# NOTE: white spaces are not supported any more for group names
-# plc_config_devel.xml used to mention standard group names with
-# spaces, but we do not use them anymore
+# same for groups, except that you need to replace any white-space in
+# the groupname with +++, like in
+group: X+++Window+++System
+group: GNOME+++Desktop+++Environment