k3d/share/shaders/k3d_graphic_lines.sl:98:	float stripemax_highlight;
k3d/share/shaders/k3d_graphic_lines.sl:150:	stripemax_highlight=0.5+smoothstep(0.0,1.0,illumination_highlight)/2.0;
k3d/share/shaders/k3d_graphic_lines.sl:151:	float val_highlight=(smoothstep((stripemin_highlight)-(fuzz_highlight),(stripemin_highlight),(tt_highlight))-smoothstep((stripemax_highlight)-(fuzz_highlight),(stripemax_highlight),(tt_highlight)));
