From 6a15c45544f8abef891471d892aa0945f7f6af1e Mon Sep 17 00:00:00 2001
From: Carsten Dominik <carsten.dominik@gmail.com>
Date: Wed, 3 Feb 2010 16:13:49 +0100
Subject: [PATCH] Use \providecommand to make sure \alert is defined

---
 lisp/ChangeLog    | 3 +++
 lisp/org-latex.el | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 8801a441a..e4806cf4d 100755
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2010-02-03  Carsten Dominik  <carsten.dominik@gmail.com>
 
+	* org-latex.el (org-export-latex-make-header): Use \providecommand
+	to make sure the \alert macro is defined.
+
 	* org.el (org-format-latex-signal-error)
 	(org-create-formula-image): Use `org-format-latex-signal-error'.
 
diff --git a/lisp/org-latex.el b/lisp/org-latex.el
index 8760ed433..ecf9b67b8 100644
--- a/lisp/org-latex.el
+++ b/lisp/org-latex.el
@@ -1147,7 +1147,7 @@ OPT-PLIST is the options plist for current buffer."
       (plist-get opt-plist :latex-header-extra))
      (org-export-apply-macros-in-string org-export-latex-append-header)
      ;; define align if not yet defined
-     "\\ifx\\alert\\undefined\\let\\alert\\textbf\\fi"
+     "\\providecommand{\\alert}[1]{\\textbf{#1}}"
      ;; insert the title
      (format
       "\n\n\\title{%s}\n"