 
 (global-set-key [C-up] 'scroll-down-in-place)
 (global-set-key [C-down] 'scroll-up-in-place)
+(global-set-key (kbd "C-s-i") 'scroll-down-in-place)
+(global-set-key (kbd "C-s-k") 'scroll-up-in-place)
 
 
 ;; smart home


(global-set-key (kbd "M-<up>") 'move-text-up)
(global-set-key (kbd "M-<down>") 'move-text-down)


;; duplicate line

	    (local-set-key (kbd "C-M-<right>") 'outline-forward-same-level)
	    (local-set-key (kbd "C-M-<up>") 'outline-previous-visible-heading)
	    (local-set-key (kbd "C-M-<down>") 'outline-next-visible-heading)
	    (local-set-key (kbd "C-M-j") 'outline-backward-same-level)
	    (local-set-key (kbd "C-M-l") 'outline-forward-same-level)
	    (local-set-key (kbd "C-M-i") 'outline-previous-visible-heading)
	    (local-set-key (kbd "C-M-k") 'outline-next-visible-heading)

	    (local-set-key (kbd "C-c C-p") 'markdown-preview)
	    (local-set-key (kbd "C-c C-b") 'markdown-insert-bold)
