From 71907d33e4b23eb6248a8ec664e0c04a12723630 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Tue, 13 Jan 2015 23:14:28 -0800
Subject: Removed an implicit cast in node.js 'next'.

---
 js/lib/node.js | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/js/lib/node.js b/js/lib/node.js
index c90c3e9..9fc71c7 100644
--- a/js/lib/node.js
+++ b/js/lib/node.js
@@ -27,7 +27,7 @@ var next = function(){
     var cur = this.current;
     var entering = this.entering;
 
-    if (!cur) {
+    if (cur === null) {
         return null;
     }
 
@@ -42,13 +42,13 @@ var next = function(){
             this.entering = false;
         }
 
-    } else if (cur.next) {
-        this.current = cur.next;
-        this.entering = true;
-
-    } else {
+    } else if (cur.next === null) {
         this.current = cur.parent;
         this.entering = false;
+
+    } else {
+        this.current = cur.next;
+        this.entering = true;
     }
 
     return {entering: entering, node: cur};
-- 
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