k3d/share/shaders/k3d_ceramictiles.sl:18: *   Cbase, Cmottle - base color and mottle color of the tile
k3d/share/shaders/k3d_ceramictiles.sl:19: *   mottlefreq - frequency of the mottling between Cbase & Cmottle
k3d/share/shaders/k3d_ceramictiles.sl:93:		  color Cbase, Cedge, Cmottle, Cspeck)
k3d/share/shaders/k3d_ceramictiles.sl:95:  color C = Cbase;
k3d/share/shaders/k3d_ceramictiles.sl:182:			 color Cbase = color(.05, .075, .6);
k3d/share/shaders/k3d_ceramictiles.sl:231:			    Cbase, Cedge, Cmottle, Cspeck);
