X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/8678d9e413593b0abab296551a20589745c459da..db7ab02fe1ddf4ba6a5d523c4462afdb3fd11dc5:/lisp/org/ob-mscgen.el

diff --git a/lisp/org/ob-mscgen.el b/lisp/org/ob-mscgen.el
index 3b55f2e27b..dc800a875c 100644
--- a/lisp/org/ob-mscgen.el
+++ b/lisp/org/ob-mscgen.el
@@ -5,7 +5,7 @@
 ;; Author: Juan Pechiar
 ;; Keywords: literate programming, reproducible research
 ;; Homepage: http://orgmode.org
-;; Version: 7.4
+;; Version: 7.7
 
 ;; This file is part of GNU Emacs.
 
@@ -73,7 +73,7 @@ mscgen supported formats."
       (error "
 ERROR: no output file specified. Add \":file name.png\" to the src header"))
     (org-babel-eval (concat "mscgen -T " filetype " -o " out-file) body)
-    out-file))
+    nil)) ;; signal that output has already been written to file
 
 (defun org-babel-prep-session:mscgen (session params)
   "Raise an error because Mscgen doesn't support sessions."
@@ -82,4 +82,5 @@ ERROR: no output file specified. Add \":file name.png\" to the src header"))
 (provide 'ob-mscgen)
 
 
+
 ;;; ob-msc.el ends here