Confirmed... the faq (and tutorial) are in /usr/share/gtk-doc/gtk-faq/book1.html instead of /usr/share/gtk-doc/html/gtk-faq/book1.html.
Confirmed... the faq (and tutorial) are in /usr/share/ gtk-doc/ gtk-faq/ book1.html instead of /usr/share/ gtk-doc/ html/gtk- faq/book1. html.