--- a/.emacs-my	Sun Mar 14 18:54:20 2010 +0200
+++ b/.emacs-my	Sun Mar 14 20:03:11 2010 +0200
@@ -132,7 +132,10 @@
 ;; scrolling.
 
 (setq-default
- scroll-step 1
+ ;; When scroll-step is 1 and if first displayed line overlapped and you go up one line or fisrt
+ ;; non-displayed line at bottom overlapped and you go down one line moving cause displaing engine
+ ;; redisplay windows content and center point as done by 'C-l'. So take it greater.
+ scroll-step 3
  scroll-conservatively 100
  scroll-preserve-screen-position t
  )