; http://emacswiki.emacs.cl/cgi-bin/emacs-fr/InitSplit
(require 'initsplit)
(defadvice initsplit-split-customizations (around do-the-initsplit act)
   "Don't clobber the `kill-ring' when writing customizations."
   (let ((orig-kill-ring kill-ring))
     (unwind-protect
	 ad-do-it
       (setq kill-ring orig-kill-ring))))