Thanks Michael for interesting suggestion, I added a comment there and my suggestion is to *split the discussion about PDF and djvu files* since they are very different, djvu files being much more "transparent" and usable.
Alex
2008/8/12 Michael Maggs Michael@maggs.name
I have added some text at [[Commons:Project scope/Proposal#Pdf and Djvu formats]] [...]
Michael https://lists.wikimedia.org/mailman/listinfo/commons-l