Created attachment 6528 Brightness notification Popup notification for keyboard brightness changes is squeezed as fresh lemon. See the attached picture.
This has been fixed in git master already: http://git.xfce.org/xfce/xfce4-power-manager/commit/?id=2ff69c8475cfb4b121ba107c41249a63aa8dffb2 *** This bug has been marked as a duplicate of bug 12292 ***
All right!