Add items to TODO list.

lisp/vc.el

@@ -677,6 +677,15 @@
 ;;
 ;; - vc-create-snapshot and vc-retrieve-snapshot should update the
 ;;   buffers that might be visiting the affected files.
+;; - Using multiple backends needs work.  Given a CVS directory with some 
+;;   files checked into git (but not all), using C-x v l to get a log file 
+;;   from a file only present in git, and then typing RET on some log entry, 
+;;   vc will bombs out because it wants to see the file being in CVS.
+;;   Those logs should likely use a local variable to hardware the VC they
+;;   are supposed to work with.
+;;
+;; More issues here: 
+;; http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg00664.html
 
 ;;; Code: