Small doc fixes.

[gnu-emacs] / lisp / org / ob-latex.el

diff --git a/lisp/org/ob-latex.el b/lisp/org/ob-latex.el
index 9bb0f318be667d7a0644a4ca2953e5cd37ac8c32..c27ca33080a01e3e5dd923edf1261a7fc4ada3c2 100644 (file)
--- a/lisp/org/ob-latex.el
+++ b/lisp/org/ob-latex.el
@@ -5,7 +5,7 @@
 ;; Author: Eric Schulte
 ;; Keywords: literate programming, reproducible research
 ;; Homepage: http://orgmode.org
-;; Version: 7.4
+;; Version: 7.7
 
 ;; This file is part of GNU Emacs.
 
@@ -37,6 +37,7 @@
 (declare-function org-splice-latex-header "org"
                  (tpl def-pkg pkg snippets-p &optional extra))
 (declare-function org-export-latex-fix-inputenc "org-latex" ())
+(defvar org-babel-tangle-lang-exts)
 (add-to-list 'org-babel-tangle-lang-exts '("latex" . "tex"))
 
 (defvar org-format-latex-header)
@@ -122,7 +123,7 @@ This function is called by `org-babel-execute-src-block'."
          ((string-match "\\.\\([^\\.]+\\)$" out-file)
           (error "can not create %s files, please specify a .png or .pdf file"
                 (match-string 1 out-file))))
-        out-file)
+        nil) ;; signal that output has already been written to file
     body))
 
 (defun org-babel-latex-tex-to-pdf (file)
@@ -176,4 +177,5 @@ Extracted from `org-export-as-pdf' in org-latex.el."
 (provide 'ob-latex)
 
 
+
 ;;; ob-latex.el ends here