From a8ba7cc7222f315f5dab0e400e49798a7e0ed7f6 Mon Sep 17 00:00:00 2001
From: Richard Heck <rgheck@comcast.net>
Date: Thu, 19 Nov 2009 21:56:08 +0000
Subject: [PATCH] Whoops.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32099 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/output_xhtml.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/output_xhtml.cpp b/src/output_xhtml.cpp
index 8eabbc19ab..ecc4220e5b 100644
--- a/src/output_xhtml.cpp
+++ b/src/output_xhtml.cpp
@@ -143,6 +143,8 @@ void XHTMLStream::writeError(std::string const & s)
 
 bool XHTMLStream::closeFontTags()
 {
+	if (tag_stack_.empty())
+		return true;
 	// first, we close any open font tags we can close
 	StartTag curtag = tag_stack_.back();
 	while (html::isFontTag(curtag.tag_)) {