Look at this (list (cons 8 lay)'(62 . 256) '(6 . "ByLayer") '(370 . -1)))) and compare Lee's and Tharwats also check out what the assoc numbers 62, 6 & 370 actually mean. The original code by Tharwat only had the single (cons 8 lay) option so it would adopt the new layers properties.
