> Thanks, I applied both patches. Even though I really more and more hat > this whole EWMH cruft. Since there was basic EWMH support in dwm, > things became more unreadable...
Then I start to feel guilty of my question. I've got my answer, and I do not know if anyone really needs _NET_WM_WINDOW_OPACITY to be handled by dwm. Thank you for the answers anyway, s.