XPM isn't monochrome either, though. I always thought XPM was an elegant hack, since I could just #include my icons into the C source for my Xt or Motif applica

XPM isn't monochrome either, though. I always thought XPM was an elegant hack, since I could just #include my icons into the C source for my Xt or Motif applications. I don't miss the rest of Xt and Motif, particularly the pseudo-object-oriented C style code, or the twenty kilograms of O'Reilly books containing the documentation!