The minifigs in each series already have sequence numbers on the checklist, so using 0-f would be too confusing.
So, make that 973pc[series : 1-7][sequence : 1-9,a-g].dat (a=10...g=16).
So, make that 973pc[series : 1-7][sequence : 1-9,a-g].dat (a=10...g=16).
Chris (LDraw Parts Library Admin)