Hi Dan,
> Whats the story with the PDF files mentioned below ? Are they flawed , > damaged or not confirming to standard ? There is no story. They work just fine. Use the “plain” links, e.g. https://git.savannah.gnu.org/cgit/guix/maintenance.git/plain/talks/ghm-2012/guix-ghm-2012.20120721.pdf -- Ricardo