k3d/share/shaders/k3d_fresnelplastic.sl:60:    float fKt, fKr;
k3d/share/shaders/k3d_fresnelplastic.sl:84:	       fKr, fKt);
k3d/share/shaders/k3d_fresnelplastic.sl:86:      fKt = 1 - fKr;
k3d/share/shaders/k3d_fresnelplastic.sl:90:      fKr = fKt = 1;
k3d/share/shaders/k3d_fresnelplastic.sl:110:                fKr * Cspec * Ks * specular(Nf,V,roughness) +
k3d/share/shaders/k3d_fresnelplastic.sl:111:		Kr * Cr * fKr);
