From 433eda2ccafb0ae545c493246642fa3bd56b3dfa Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=BCrgen=20Spitzm=C3=BCller?= <spitz@lyx.org>
Date: Sun, 2 Dec 2007 17:59:53 +0000
Subject: [PATCH] * src/BufferParams.cpp (readToken): 	- fix assertion
 introduced with rev. 21800 (bug 4395).

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21925 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/BufferParams.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/BufferParams.cpp b/src/BufferParams.cpp
index 44573db167..f13fb287bc 100644
--- a/src/BufferParams.cpp
+++ b/src/BufferParams.cpp
@@ -474,8 +474,10 @@ string const BufferParams::readToken(Lexer & lex, string const & token,
 		string const classname = lex.getString();
 		// if there exists a local layout file, ignore the system one
 		// NOTE: in this case, the textclass (.cls file) is assumed to be available.
-		pair<bool, lyx::textclass_type> pp = textclasslist.addTextClass(
-			classname, filepath.absFilename());
+		pair<bool, lyx::textclass_type> pp;
+		if (!filepath.empty())
+			pp = textclasslist.addTextClass(
+				classname, filepath.absFilename());
 		if (pp.first)
 			setBaseClass(pp.second);
 		else {
-- 
2.39.2