From d3143b8e655dfcb83e005b69624ef77179c98b8e Mon Sep 17 00:00:00 2001
From: Tony Garnock-Jones <tonygarnockjones@gmail.com>
Date: Mon, 26 May 2014 05:53:27 -0400
Subject: [PATCH] Actually shift levels for gestalt filtering

---
 route.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/route.js b/route.js
index 56b9071..2817db8 100644
--- a/route.js
+++ b/route.js
@@ -1290,6 +1290,7 @@ function Routing(exports) {
     // reasonably expensive - possibly cache it?
     function smearLevels(levels) {
 	var result = shallowCopyArray(levels);
+	if (result.length > 0) result.shift();
 	for (var i = result.length - 2; i >= 0; i--) {
 	    result[i].subscriptions = union(result[i].subscriptions, result[i+1].subscriptions);
 	    result[i].advertisements = union(result[i].advertisements, result[i+1].advertisements);