k3d/share/shaders/k3d_wallpaper_2stripe.sl:15: *   stripespacing              dist between sets of stripes, in s coordinates
k3d/share/shaders/k3d_wallpaper_2stripe.sl:33:			      float stripespacing = 0.5;)
k3d/share/shaders/k3d_wallpaper_2stripe.sl:35:  float ss = s / stripespacing - 0.5;
