k3d/share/shaders/k3d_oak.sl:17: *   Cdarkwood - the darker color in the ring/grain
k3d/share/shaders/k3d_oak.sl:63:		color Cdarkwood = color(0.15, 0.077, 0.028);
k3d/share/shaders/k3d_oak.sl:76:  color Cwood = mix(Clightwood, Cdarkwood, wood);
k3d/share/shaders/k3d_oakplank.sl:24: *   Cdarkwood - the darker color in the ring/grain
k3d/share/shaders/k3d_oakplank.sl:113:		     color Cdarkwood = color(0.15, 0.077, 0.028);
k3d/share/shaders/k3d_oakplank.sl:145:  color Cwood = mix(Clightwood, Cdarkwood, wood);
