@@ -281,6 +281,7 @@ arguments, and pop open the results in a preview buffer."
(expanded (funcall cmd body params))
(buf (get-buffer-create "*Org-Babel Code Body Preview*")))
(with-current-buffer buf
+ (erase-buffer)
(insert expanded)
(funcall (intern (concat lang "-mode"))))
(pop-to-buffer buf)))