--- a/.emacs-my	Mon Mar 08 10:46:25 2010 +0200
+++ b/.emacs-my	Sat Mar 13 16:20:30 2010 +0200
@@ -1063,6 +1063,7 @@
 ;; backuping.
 
 (setq
+ make-backup-files t
  backup-by-copying t                           ; don't clobber symlinks
  backup-directory-alist '(("." . "~/.backup")) ; don't litter my fs tree
  delete-old-versions t                         ; delete excess backup versions silently