++ _NET_FRAME_EXTENTS (1.3)
++ _NET_WM_STATE_DEMANDS_ATTENTION (1.3)
+- _NET_RESTACK_WINDOW (1.3)
+ Openbox doesn't support this at this time.
++ _NET_WM_SYNC_REQUEST (1.3)
++ _NET_WM_FULL_PLACEMENT (1.4)
++ _NET_WM_MOVERESIZE_CANCEL (1.4)
+- _NET_REQUEST_FRAME_EXTENTS (1.3)