Thanks, interesting! I think I misunderstood the initial comment as somehow back-lighting the inside of a window to highlight text, which confused me. Now that

Thanks, interesting! I think I misunderstood the initial comment as somehow back-lighting the inside of a window to highlight text, which confused me. Now that I see what you mean, this is definitely better - the grey-on-black windowing of the original link is far less clear than backlighting each pane.