+ url(r'^book/(?P<slug>[^/]+)/$', 'book', name="wiki_book"),
+ url(r'^book/(?P<slug>[^/]+)/xml$', 'book_xml', name="wiki_book_xml"),
+ url(r'^book/(?P<slug>[^/]+)/txt$', 'book_txt', name="wiki_book_txt"),
+ url(r'^book/(?P<slug>[^/]+)/html$', 'book_html', name="wiki_book_html"),
+ #url(r'^book/(?P<slug>[^/]+)/epub$', 'book_epub', name="wiki_book_epub"),
+ #url(r'^book/(?P<slug>[^/]+)/pdf$', 'book_pdf', name="wiki_book_pdf"),