2008-12-21 Carsten Dominik <dominik@science.uva.nl>

        * org-export-latex.el (org-export-latex-special-chars): Handle
          case where there is no match group 3.

lisp/org/ChangeLog

@@ -2,6 +2,8 @@
 
 	* org-export-latex.el (org-export-latex-make-header): Double the
 	commenting % in the time stamp format.
+	(org-export-latex-special-chars): Handle case where there is no
+	match group 3.
 
 2008-12-20  Carsten Dominik  <carsten.dominik@gmail.com>
 

lisp/org/org-export-latex.el

@@ -913,7 +913,8 @@ See the `org-export-latex.el' code for a complete conversion table."
 		       (replace-match (or (save-match-data
 					    (org-export-latex-treat-backslash-char
 					     (match-string 1)
-					     (match-string 3))) "") t t))
+					     (or (match-string 3) "")))
+					  "") t t))
 		      ((member (match-string 2) '("_" "^"))
 		       (replace-match (or (save-match-data
 					    (org-export-latex-treat-sub-super-char