k3d/share/shaders/k3d_noisysmoke.sl:55:  color li, last_li, lighttau;
k3d/share/shaders/k3d_noisysmoke.sl:78:	  last_li = li;
k3d/share/shaders/k3d_noisysmoke.sl:86:	  lighttau = .5 * ss * (li * dtau + last_li * last_dtau);
k3d/share/shaders/k3d_smoke.sl:86:  color li, last_li;
k3d/share/shaders/k3d_smoke.sl:100:	       smokeoctaves, ss, last_li, last_dtau);
k3d/share/shaders/k3d_smoke.sl:116:	lightdensity * ss / 2 * (li * dtau + last_li * last_dtau);
k3d/share/shaders/k3d_smoke.sl:122:      last_li = li;
k3d/share/shaders/k3d_smoke2.sl:102:  color li, last_li, lighttau;
k3d/share/shaders/k3d_smoke2.sl:123:	  last_li = li;
k3d/share/shaders/k3d_smoke2.sl:131:	  lighttau = .5 * ss * (li*dtau + last_li*last_dtau);
