From a2abadb9f39269cc56516e7216e938efdcabb1fa Mon Sep 17 00:00:00 2001
From: Richard Heck <rgheck@comcast.net>
Date: Sat, 2 Apr 2011 12:26:03 +0000
Subject: [PATCH] Fix crash part of bug #7416. The export status was not being
 set for child documents, hence we had no DocIterator for preview.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@38204 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/Buffer.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index 88200f16dc..d6bc6d579b 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -3457,6 +3457,11 @@ namespace {
 void Buffer::setExportStatus(bool e) const
 {
 	d->doing_export = e;	
+	ListOfBuffers clist = getDescendents();
+	ListOfBuffers::const_iterator cit = clist.begin();
+	ListOfBuffers::const_iterator const cen = clist.end();
+	for (; cit != cen; ++cit)
+		(*cit)->d->doing_export = e;
 }
 
 
-- 
2.39.2