k3d/share/shaders/k3d_ceramictiles.sl:20: *   Cedge - separate edge color for the tiles
k3d/share/shaders/k3d_ceramictiles.sl:93:		  color Cbase, Cedge, Cmottle, Cspeck)
k3d/share/shaders/k3d_ceramictiles.sl:116:      C = mix(C, Cedge, edgevary * edgy);
k3d/share/shaders/k3d_ceramictiles.sl:183:			 color Cedge = color(.025, .025, .2);
k3d/share/shaders/k3d_ceramictiles.sl:231:			    Cbase, Cedge, Cmottle, Cspeck);
