k3d/share/shaders/k3d_uberlight.sl:129: *   blockerround - how round the corners of the blocker are (same
k3d/share/shaders/k3d_uberlight.sl:346:			  float blockerround;
k3d/share/shaders/k3d_uberlight.sl:361:			 blockerheight + blockerhedge, blockerround);
k3d/share/shaders/k3d_uberlight.sl:400:		     .1, blockerround = 1;
k3d/share/shaders/k3d_uberlight.sl:516:				  blockerhedge, blockerround);
