k3d/share/shaders/k3d_graphic_lines.sl:246:	color layer_opac_ink;
k3d/share/shaders/k3d_graphic_lines.sl:297:	layer_opac_ink=color(val2);
k3d/share/shaders/k3d_graphic_lines.sl:298:	surface_color_ink=((surface_color_ink)*(1-(layer_opac_ink))+(layer_color_ink)*(layer_opac_ink));
