From abb5ffd508d7e9dff0b3c51b30ae309498654871 Mon Sep 17 00:00:00 2001
From: nathangray <nathangray.bsc+github@gmail.com>
Date: Wed, 19 Apr 2017 12:51:58 -0600
Subject: [PATCH] Do not change XMLNode, that changes the cached template. 
 Clone it, then change it to avoid weird side effects.

---
 api/js/etemplate/et2_widget_tabs.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/api/js/etemplate/et2_widget_tabs.js b/api/js/etemplate/et2_widget_tabs.js
index f7bb2e08d9..3d021a2b8b 100644
--- a/api/js/etemplate/et2_widget_tabs.js
+++ b/api/js/etemplate/et2_widget_tabs.js
@@ -283,6 +283,8 @@ var et2_tabbox = (function(){ "use strict"; return et2_valueWidget.extend([et2_I
 			if(tabData.hidden)
 			{
 				// Set hidden tab to readonly, so widgets aren't active
+				// Do not modify the XMLNode, or the change will be cached for all
+				tabData.XMLNode = tabData.XMLNode.cloneNode();
 				tabData.XMLNode.setAttribute('readonly', true);
 			}
 			tabData.widget = this.createElementFromNode(tabData.XMLNode,tabData.XMLNode.nodeName.toLowerCase());