k3d/share/shaders/k3d_fur2.sl:53:	 float clump_dark_strength = 0.0;
k3d/share/shaders/k3d_fur2.sl:126:	if ( clump_dark_strength > 0.0 ) {
k3d/share/shaders/k3d_fur2.sl:127:	    clump_darkening = 1 - ( clump_dark_strength * 
