+; from https://emacs.stackexchange.com/questions/909/how-can-i-have-an-agenda-timeline-view-of-multiple-files
+(defun org-agenda-timeline-all (&optional arg)
+ (interactive "P")
+ (with-temp-buffer
+ (dolist (org-agenda-file org-agenda-files)
+ (insert-file-contents org-agenda-file nil)
+ (end-of-buffer)
+ (newline))
+ (write-file "/tmp/timeline.org")
+ (org-agenda arg "L")))
+(define-key org-mode-map (kbd "C-c t") 'org-agenda-timeline-all)
+