From c903bd8cfb145b91de8a39204ea207ad0f5a3b49 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Tue, 10 Feb 2015 23:16:07 +0100
Subject: [PATCH] fixed bug in editor when using undo after rotating level
 repeatedly

---
 ChangeLog    | 1 +
 src/editor.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index f924f206..3df085a3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
 2015-02-10
 	* changed position of CE/GE use/save template gadgets to be visually
 	  separated from other CE/GE gadgets (to prevent accidental use)
+	* fixed bug in editor when using undo after rotating level repeatedly
 
 2015-02-04
 	* added configurability of editor control buttons (toolbox buttons)
diff --git a/src/editor.c b/src/editor.c
index a16c902f..725badd7 100644
--- a/src/editor.c
+++ b/src/editor.c
@@ -10477,6 +10477,9 @@ static void CopyLevelToUndoBuffer(int mode)
   boolean new_undo_buffer_position = TRUE;
   int x, y;
 
+  if (undo_buffer_steps == 0)
+    accumulated_undo = FALSE;
+
   switch (mode)
   {
     case UNDO_IMMEDIATE:
-- 
2.34.1