babel: allow point to move to end of comint buffer

contrib/babel/lisp/langs/org-babel-R.el

@@ -39,7 +39,7 @@
   "Execute a block of R code with org-babel.  This function is
 called by `org-babel-execute-src-block'."
   (message "executing R source code block...")
-  (save-window-excursion
+  (save-excursion
     (let* ((processed-params (org-babel-process-params params))
            (result-type (fourth processed-params))
            (session (org-babel-R-initiate-session (first processed-params)))

contrib/babel/lisp/org-babel-comint.el

@@ -45,7 +45,7 @@
 body inside the protection of `save-window-excursion' and
 `save-match-data'."
   (declare (indent 1))
-  `(save-window-excursion
+  `(save-excursion
      (save-match-data
        (unless (org-babel-comint-buffer-livep ,buffer)
          (error (format "buffer %s doesn't exist or has no process" ,buffer)))