From f47eee9a0cadc2f342da542cff4b95ba737a8558 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Aleksander=20=C5=81ukasz?=
 <aleksander.lukasz@nowoczesnapolska.org.pl>
Date: Wed, 13 Aug 2014 10:06:56 +0200
Subject: [PATCH] smartxml: removing node attributes by setting undefined as
 their value

Before this change calling Node.setAttr(undefined) was a noop.
---
 src/smartxml/core.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/smartxml/core.js b/src/smartxml/core.js
index b60bc2e..7326507 100644
--- a/src/smartxml/core.js
+++ b/src/smartxml/core.js
@@ -169,7 +169,11 @@ var elementNodeTransformations = {
 
     setAttr: function(name, value, silent) {
         var oldVal = this.getAttr(name);
-        this._$.attr(name, value);
+        if(_.isUndefined(value)) {
+            this._$.removeAttr(name);
+        } else {
+            this._$.attr(name, value);
+        }
         if(!silent) {
             this.triggerChangeEvent('nodeAttrChange', {attr: name, oldVal: oldVal, newVal: value});
         }
-- 
2.20.1