The LICENSE is already mentioned in debian/copyright (adding a
separate file conflicts with the policy), the man page is available in
nroff format and the PDFs are not better than the HTML version.
-LICENSE
README
AUTHORS
-doc/pdf/*.pdf
doc/text/faq.txt
doc/text/user-manual.txt
doc/text/developer-manual.txt
doc/webserver/faq
doc/webserver/user-manual
-doc/webserver/man-page
doc/webserver/developer-manual
doc/webserver/images
doc/webserver/p_doc.css
-doc/webserver/privoxy-index.html