I disable this due to bugs in Emacs (it doesn't highlight at all until you
press any key).
--- a/.emacs-my Mon Nov 19 00:51:19 2012 +0200
+++ b/.emacs-my Tue Nov 20 21:48:05 2012 +0200
@@ -593,7 +593,9 @@
(message "highlighting")
;; Increase scrolling speed by defer consuming operation.
-(setq jit-lock-defer-time 0.01)
+;; I disable this due to bugs in Emacs (it doesn't highlight at all until you
+;; press any key).
+;; (setq jit-lock-defer-time 0.01)
(setq font-lock-maximum-decoration t)
(global-font-lock-mode 1)