From 0e5369dcda371654ad9bf463ad4fd9bd6cc5ef03 Mon Sep 17 00:00:00 2001
From: Stephan Witt <switt@lyx.org>
Date: Mon, 10 Jan 2011 10:23:10 +0000
Subject: [PATCH] #7209 avoid a crash in inMacroMode(): one cannot get the
 previous atom of an empty math cell

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@37162 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/Cursor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Cursor.cpp b/src/Cursor.cpp
index f2a61c28cc..075577c783 100644
--- a/src/Cursor.cpp
+++ b/src/Cursor.cpp
@@ -1624,7 +1624,7 @@ bool Cursor::inMacroMode() const
 {
 	if (!inMathed())
 		return false;
-	if (pos() == 0)
+	if (pos() == 0 || cell().empty())
 		return false;
 	InsetMathUnknown const * p = prevAtom()->asUnknownInset();
 	return p && !p->final();