From e82a59bb10bd25ed2bd73f32077baa2f1fc1b8d9 Mon Sep 17 00:00:00 2001
From: Alon Levy <alon@pobox.com>
Date: Sun, 28 Dec 2014 16:07:09 +0200
Subject: Fixes #238 - tab works again

Broken during recent overzealous precondition addition
---
 src/client/model/graph.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/client/model/graph.js')

diff --git a/src/client/model/graph.js b/src/client/model/graph.js
index c3e5209b..64327f6a 100644
--- a/src/client/model/graph.js
+++ b/src/client/model/graph.js
@@ -593,7 +593,7 @@ function Graph() {
 
     this._editProperty = function(id, state, prop, value) {
         var n = find_node__by_id(id);
-        if (state != n.state){
+        if (state !== null && state != n.state){
             return false;
         }
 
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