--- a/.emacs-my	Sun Mar 28 22:13:05 2010 +0300
+++ b/.emacs-my	Thu Apr 01 22:47:31 2010 +0300
@@ -1132,7 +1132,8 @@
 
 (setq
  make-backup-files t
- backup-by-copying t                           ; don't clobber symlinks
+ ;; In other case (by renaming) you loose original file creation date.
+ backup-by-copying t
  backup-directory-alist '(("." . "~/.backup")) ; don't litter my fs tree
  delete-old-versions t                         ; delete excess backup versions silently
  kept-old-versions 1                           ; store first original version