From ec0fce7d4497122d4bb6cfdda91df65e5e21627a Mon Sep 17 00:00:00 2001
From: Tommaso Cucinotta <tommaso@lyx.org>
Date: Tue, 18 Oct 2011 22:04:42 +0000
Subject: [PATCH] Fixing ASSERT on re-opening of Advanced F&R with cursor on a
 text style non-existing in the currently opened document. Addressing #7812.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@39886 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt4/LayoutBox.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/frontends/qt4/LayoutBox.cpp b/src/frontends/qt4/LayoutBox.cpp
index c46ce45538..df4b076a27 100644
--- a/src/frontends/qt4/LayoutBox.cpp
+++ b/src/frontends/qt4/LayoutBox.cpp
@@ -534,6 +534,9 @@ void LayoutBox::set(docstring const & layout)
 	if (!d->text_class_)
 		return;
 
+	if (!(*d->text_class_).hasLayout(layout))
+		return;
+
 	Layout const & lay = (*d->text_class_)[layout];
 	QString newLayout = toqstr(lay.name());