WFL>Alright, I'll buy it --- what's this pleasant autumn scene got to do with pi/2 ? Or with excited canids, come to that. Or have I been sold a pup? WFL On 10/28/13, Bill Gosper <billgosper@gmail.com> wrote: gosper.org/IMG_0146.JPG --rwg (Viewed at full scale,) the bark is cracking off the foreground trunk in neat rectangles. Coincidentally, the background sound for this photo featured four fierce Pomeranians, whose quince tree I just raided. --rwg