From: Richard Heck <rgheck@comcast.net>
Date: Wed, 29 Jun 2011 14:24:48 +0000 (+0000)
Subject: Add a sanity check to prevent the crash noted in #7654.
X-Git-Tag: 2.0.1~125
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=6309880297df5c9ffaf63aa702eff4034eeb985c;p=features.git

Add a sanity check to prevent the crash noted in #7654.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_2_0_X@39213 a592a061-630c-0410-9148-cb99ea01b6c8
---

diff --git a/src/Text.cpp b/src/Text.cpp
index 7da48185c8..7cf206005e 100644
--- a/src/Text.cpp
+++ b/src/Text.cpp
@@ -1250,7 +1250,11 @@ void Text::acceptOrRejectChanges(Cursor & cur, ChangeOp op)
 
 		pos_type left  = (pit == begPit ? begPos : 0);
 		pos_type right = (pit == endPit ? endPos : parSize);
-
+		
+		if (left == right)
+			// there is no change here
+			continue;
+		
 		if (op == ACCEPT) {
 			pars_[pit].acceptChanges(left, right);
 		} else {