(This is part 2, of 2 of this effort; part 1 was reported in
I have done a comparison of 1.5 to 1.6 and marked nits that I found. It is possible a few might be more than nits–sorry if that is so.
I'm posting an FDF (and the corresponding PDF, although the PDF is actually just the "Final" 1.6 spec).
I have now fully completed my comparison of 1.5 and 1.6.