notify_session_window
notify_session_window("window-unlinked", dst,
notify_session_window("window-unlinked", s, wl->window);
notify_session_window("window-linked", s, w);
notify_session_window("window-unlinked", s, wl->window);
notify_session_window("window-linked", s, wl2->window);
notify_session_window("window-unlinked", s, wl->window);
notify_session_window("window-unlinked", s, wl->window);
notify_session_window("window-linked", s, w);