k3d/share/shaders/k3d_leather.sl:147:	#define BWIDTH .0

k3d/share/shaders/k3d_leather.sl:148:	blackness = 1-(smoothstep(BEDGE, BEDGE+BWIDTH, t)*

k3d/share/shaders/k3d_leather.sl:149:	               smoothstep(BEDGE, BEDGE+BWIDTH, 1-t));

k3d/share/shaders/k3d_redapple.sl:171:	#define BWIDTH .01
k3d/share/shaders/k3d_redapple.sl:172:	blackness = 1-(smoothstep(BEDGE, BEDGE+BWIDTH, t)*
k3d/share/shaders/k3d_redapple.sl:173:	               smoothstep(BEDGE, BEDGE+BWIDTH, 1-t));
