Sebastien, I don't think this is a duplicate of that bug. (The root causes may be similar though, but I don't know.)
** This bug is no longer a duplicate of bug 738735 Compiz: grab resize borders included in Alt-screenshot -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-utils in Ubuntu. https://bugs.launchpad.net/bugs/724491 Title: "select area to grab" functionality broken because it includes the 'area shadow' -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
