k3d/share/shaders/k3d_arealight.sl:19:  illuminate(P, N, 1.5707963 /* PI/2 */ )
k3d/share/shaders/k3d_arealight.sl:29:  illuminate(point "shader"(0, 0, 0), Nl, PI / 2)
k3d/share/shaders/k3d_causticlight.sl:19:    illuminate (from, axis, coneangle) {
k3d/share/shaders/k3d_hdri2.sl:13:    illuminate (P) {
k3d/share/shaders/k3d_pointlight.sl:13:  illuminate(from) Cl = intensity * lightcolor / (L.L);
k3d/share/shaders/k3d_shadowspot.sl:27:	illuminate( from, A, coneangle ) {
k3d/share/shaders/k3d_slideprojector.sl:23:  illuminate(from, Z, rconeangle)
k3d/share/shaders/k3d_spotlight.sl:20:  illuminate(from, A, coneangle)
k3d/share/shaders/k3d_uberlight.sl:115: *       illuminated or the appearance of highlights, etc.
k3d/share/shaders/k3d_uberlight.sl:445:  illuminate(from, axis, angle)
k3d/share/shaders/k3d_windowlight.sl:58:  illuminate(PL, -path, .01)
