From 3cafb856d7692e7e1fe448cf24f918f31819f2d5 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=BCrgen=20Spitzm=C3=BCller?= <spitz@lyx.org>
Date: Mon, 5 Nov 2007 07:15:57 +0000
Subject: [PATCH] * src/mathed/MathParser.cpp (getChar): 	- empty return
 if the char is not good() (fix bug 4318).

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21425 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/mathed/MathParser.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/mathed/MathParser.cpp b/src/mathed/MathParser.cpp
index 26cf14f497..5b811fcc98 100644
--- a/src/mathed/MathParser.cpp
+++ b/src/mathed/MathParser.cpp
@@ -463,8 +463,11 @@ bool Parser::good() const
 
 char_type Parser::getChar()
 {
-	if (!good())
+	if (!good()) {
 		error("The input stream is not well...");
+		putback();
+		return char_type();
+	}
 	return tokens_[pos_++].character();
 }
 
-- 
2.39.2