Hi, On Fri, 2003-08-15 at 15:22, Mukund wrote: > Even if your images are black and white, they are most likely stored in a > compressed format (if a Subversion based GIMP file format was ever > invented), and if such compressed files are revisioned, no > generic algorithm is going to give you a good difference. Actually with GEGL, a solid white or black image will be represented using a special layer node that has no image data at all. Sven