k3d/share/shaders/k3d_softboxes.sl:88:    uniform string	boxCoords;
k3d/share/shaders/k3d_softboxes.sl:111:    varying point Pb1 = transform (boxCoords, surfPt);
k3d/share/shaders/k3d_softboxes.sl:112:    varying vector Vlight = vtransform (boxCoords, reflVect);
k3d/share/shaders/k3d_softboxes.sl:165:    varying point ppC = transform(boxCoords,"world",Pplane);
