[emacs] add config for ditaa

emacs/.emacs

@@ -132,9 +132,16 @@
   '((dot . t)
     (python . t)))
 ;
+;; Point to jar file of ditaa
+(setq org-ditaa-jar-path "/usr/share/ditaa/ditaa.jar")
+;
 ;; Don't ask confirmation for code block eval of some languages
 (defun my-org-confirm-babel-evaluate (lang body)
-  (not (string= lang "dot")))  ; don't ask confirmation for dot
+  ; don't ask confirmation for these file types
+  (not (or
+         (string= lang "python")
+		 (string= lang "dot")
+		 (string= lang "ditaa"))))
 (setq org-confirm-babel-evaluate #'my-org-confirm-babel-evaluate)
 ;
 ;; Don't split line when doing M-RET at an item to make new item