Show scrollbar like position indicator in mode line. See the global minor mode `sml-modeline-mode' for more information. Idea and part of this code is adapted from David Engster's and Drew Adam's code in these mail messages: http://lists.gnu.org/archive/html/emacs-devel/2010-03/msg00523.html http://permalink.gmane.org/gmane.emacs.devel/122038 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;