k3d/share/shaders/k3d_graphic_lines.sl:94:	color layer_color_highlight;
k3d/share/shaders/k3d_graphic_lines.sl:140:		layer_color_highlight=0.0;
k3d/share/shaders/k3d_graphic_lines.sl:144:		layer_color_highlight=1.0;
k3d/share/shaders/k3d_graphic_lines.sl:147:		layer_color_highlight=1.0;
k3d/share/shaders/k3d_graphic_lines.sl:153:	surface_color_highlight=((surface_color_highlight)*(1-(layer_opac_highlight))+(layer_color_highlight)*(layer_opac_highlight));
