- url(r'^book/(?P<slug>[^/]+)/txt$', 'book_txt', name="catalogue_book_txt"),
- url(r'^book/(?P<slug>[^/]+)/html$', 'book_html', name="catalogue_book_html"),
- url(r'^book/(?P<slug>[^/]+)/epub$', 'book_epub', name="catalogue_book_epub"),
- url(r'^book/(?P<slug>[^/]+)/pdf$', 'book_pdf', name="catalogue_book_pdf"),
+ #url(r'^book/(?P<slug>[^/]+)/txt$', 'book_txt', name="catalogue_book_txt"),
+ url(r'^(?P<pk>\d+)/$', 'book_html', name="catalogue_html"),
+ url(r'^(?P<pk>\d+)/preview/$', 'book_html', {'preview': True}, name="catalogue_preview"),
+ url(r'^(?P<pk>\d+)/rev(?P<rev_pk>\d+)/preview/$', 'book_html', {'preview': True}, name="catalogue_preview_rev"),
+ url(r'^(?P<pk>\d+)/rev(?P<rev_pk>\d+)/pdf/$', 'book_pdf', name="catalogue_pdf"),
+
+
+ #url(r'^book/(?P<slug>[^/]+)/epub$', 'book_epub', name="catalogue_book_epub"),
+ #url(r'^book/(?P<slug>[^/]+)/pdf$', 'book_pdf', name="catalogue_book_pdf"),