From 203dab97c36308b74ec43f3706ade4fc23f5c35b Mon Sep 17 00:00:00 2001
From: Tommaso Cucinotta <tommaso@lyx.org>
Date: Sat, 24 Aug 2013 13:06:05 +0100
Subject: [PATCH] Now the regexp insets entered in Advanced F&R search/replace
 boxes do not preview anymore independently, unless embedded/nested within
 other math elements. Fixing crash as described in #7805.

---
 src/mathed/InsetMathHull.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/mathed/InsetMathHull.cpp b/src/mathed/InsetMathHull.cpp
index d03eca9c53..0eb7241f4c 100644
--- a/src/mathed/InsetMathHull.cpp
+++ b/src/mathed/InsetMathHull.cpp
@@ -412,7 +412,9 @@ ColorCode InsetMathHull::standardColor() const
 
 bool InsetMathHull::previewState(BufferView * bv) const
 {
-	if (!editing(bv) && RenderPreview::status() == LyXRC::PREVIEW_ON) {
+	if (!editing(bv) && RenderPreview::status() == LyXRC::PREVIEW_ON
+		&& type_ != hullRegexp)
+	{
 		graphics::PreviewImage const * pimage =
 			preview_->getPreviewImage(bv->buffer());
 		return pimage && pimage->image();