From 6fb07e35c51242c52fe5f961408ba82a1dff82b6 Mon Sep 17 00:00:00 2001
From: Enrico Forestieri <forenr@lyx.org>
Date: Thu, 8 Oct 2009 12:32:11 +0000
Subject: [PATCH] Fix bug #6264: Broken undo of removed script in mathed when
 both scripts are present.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@31558 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/mathed/InsetMathScript.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mathed/InsetMathScript.cpp b/src/mathed/InsetMathScript.cpp
index 8a6c258080..b445de9473 100644
--- a/src/mathed/InsetMathScript.cpp
+++ b/src/mathed/InsetMathScript.cpp
@@ -675,11 +675,13 @@ bool InsetMathScript::notifyCursorLeaves(Cursor const & old, Cursor & cur)
 	if (nargs() > 2 && (!cell(1).empty() || !cell(2).empty())) {
 		if (cell(2).empty()) {
 			// must be a subscript...
+			old.recordUndoInset();
 			removeScript(false);
 			cur.updateFlags(cur.disp_.update() | Update::SinglePar);
 			return true;
 		} else if (cell(1).empty()) {
 			// must be a superscript...
+			old.recordUndoInset();
 			removeScript(true);
 			cur.updateFlags(cur.disp_.update() | Update::SinglePar);
 			return true;