- _NET_WM_HANDLED_ICONS (1.3)
Openbox does not display icons for iconic windows.
+ _NET_WM_USER_TIME (1.3)
-+ _NET_WM_USER_TIME_WINDOW (1.4)
+- _NET_WM_USER_TIME_WINDOW (1.4)
- _NET_WM_PING (1.3)
Openbox doesn't look for hung processes at this time.
+ _NET_FRAME_EXTENTS (1.3)