From b3bb17a56165ab29dba19346f0db53c0196b120c Mon Sep 17 00:00:00 2001
From: John Firebaugh <john.firebaugh@gmail.com>
Date: Mon, 18 Mar 2013 14:26:11 -0700
Subject: [PATCH] Better key function

---
 js/id/ui/preset.js | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/js/id/ui/preset.js b/js/id/ui/preset.js
index 99d151e3d..c0105206b 100644
--- a/js/id/ui/preset.js
+++ b/js/id/ui/preset.js
@@ -73,13 +73,9 @@ iD.ui.preset = function(context) {
 
     }
 
-    function formKey(d) {
-        return d.key || String(d.keys);
-    }
-
     function draw(selection, fields) {
         var sections = selection.selectAll('div.preset-field')
-            .data(fields, formKey)
+            .data(fields, function(field) { return field.id; })
             .enter()
             .append('div')
             .style('opacity', 0)