From a99331a4e946390609d7c158c843f2a14aee0bd2 Mon Sep 17 00:00:00 2001
From: nick_m <mainsbridge@gmail.com>
Date: Fri, 16 Dec 2016 01:58:58 +1100
Subject: more work on patch change redisplay.

	- fixes just-introduced undo crash.
---
 libs/canvas/flag.cc | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libs/canvas')

diff --git a/libs/canvas/flag.cc b/libs/canvas/flag.cc
index d0ce5af2b1..9fa59dbbd5 100644
--- a/libs/canvas/flag.cc
+++ b/libs/canvas/flag.cc
@@ -74,6 +74,8 @@ Flag::set_text (string const & text)
 {
 	if (text.empty ()) {
 		_text->set (" ");
+	} else if (text == _text->text()) {
+		return;
 	} else {
 		_text->set (text);
 	}
-- 
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