k3d/share/shaders/k3d_bubbly.sl:44:  setycomp(trucell,floor(ycomp(Po))+.5);
k3d/share/shaders/k3d_droop.sl:19:	setycomp(P, ycomp(P) + yDel);
k3d/share/shaders/k3d_orange.sl:39:	setycomp (p2, 2*t);
k3d/share/shaders/k3d_tooledsteel.sl:62:  setycomp(trucell,floor(ycomp(Po))+.5);
