fix offline documentation - pdfbook
https://phabricator.whonix.org/T933
GitHub - WhonixBOT/whonix-wiki-html: HTML-only copy of the Whonix wiki outdated. Script https://github.com/WhonixBOT/whonix-wiki-html/blob/master/scrape-whonix-wiki.sh is broken.
fix whonix-wiki-html backup / fix scrape-whonix-wiki.sh
https://phabricator.whonix.org/T934