From 95ad8c1fba05d91cf4145b0659df279f759b2c61 Mon Sep 17 00:00:00 2001
From: Thomas Goyne <plorkyeran@aegisub.org>
Date: Thu, 22 Dec 2011 21:31:18 +0000
Subject: [PATCH] Fix the single-line-commit optimization

Originally committed to SVN as r6138.
---
 aegisub/src/ass_file.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/aegisub/src/ass_file.cpp b/aegisub/src/ass_file.cpp
index 467a8db04..01fe798e2 100644
--- a/aegisub/src/ass_file.cpp
+++ b/aegisub/src/ass_file.cpp
@@ -743,7 +743,8 @@ int AssFile::Commit(wxString desc, int type, int amendId, AssEntry *single_line)
 				++this_it;
 				++undo_it;
 			}
-			**undo_it = *single_line;
+			delete *undo_it;
+			*undo_it = single_line->Clone();
 		}
 		else {
 			UndoStack.back() = *this;