From aef17c1968fe57d35dae66c35849408aa11b32e2 Mon Sep 17 00:00:00 2001
From: John Firebaugh <john.firebaugh@gmail.com>
Date: Fri, 22 Mar 2013 11:23:23 -0700
Subject: [PATCH] Fix duplicate undo entries (fixes #1105)

---
 js/id/ui/inspector.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/js/id/ui/inspector.js b/js/id/ui/inspector.js
index cef84ca75..de2ed33ae 100644
--- a/js/id/ui/inspector.js
+++ b/js/id/ui/inspector.js
@@ -2,7 +2,8 @@ iD.ui.Inspector = function(context, entity) {
     var tagEditor;
 
     function changeTags(tags) {
-        if (!_.isEqual(entity.tags, tags)) {
+        entity = context.entity(entity.id);
+        if (entity && !_.isEqual(entity.tags, tags)) {
             context.perform(
                 iD.actions.ChangeTags(entity.id, tags),
                 t('operations.change_tags.annotation'));