From f3953e32149bdcaff479c9f66a0185f6b9292dfb Mon Sep 17 00:00:00 2001
From: Luis Copetti <lhcopetti@gmail.com>
Date: Thu, 9 Aug 2018 09:12:48 -0300
Subject: [PATCH] fix dom rendering of attributes with empty data (#289)

(cherry picked from commit 294ed0218c787695d135b98e7b856371dc7a66a8)
---
 dtl/dom.js           |  2 +-
 dtl/tests/dom/tag.js | 10 +++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/dtl/dom.js b/dtl/dom.js
index cbd7d8b383..91b67a4b86 100644
--- a/dtl/dom.js
+++ b/dtl/dom.js
@@ -916,7 +916,7 @@ define([
 			if(dd.BOOLS[key]){
 				value = !(value == "false" || value == "undefined" || !value);
 			}
-			if(value !== this.contents){
+			if(value !== this.contents || value === ""){
 				this.contents = value;
 				return buffer.setAttribute(key, value);
 			}
diff --git a/dtl/tests/dom/tag.js b/dtl/tests/dom/tag.js
index 2b915a86fa..b4edcaa6b7 100644
--- a/dtl/tests/dom/tag.js
+++ b/dtl/tests/dom/tag.js
@@ -320,6 +320,14 @@ doh.register("dojox.dtl.dom.tag",
 			var template = new dd.DomTemplate('<div tabIndex="-1"></div>');
 			//the following should not throw errors in IE
 			dd.tests.dom.util.render(template, context);
-		}
+		},
+		function test_attribute_with_empty_data(t){
+		    var dd = dojox.dtl;
+
+		    var template = new dd.DomTemplate('<div attr="{{fruit}}"></div>');
+		    var context = new dd.Context({ fruit : "" });
+		    const htmlResult = template.render(context).getParent().outerHTML;
+		    t.is('<div attr=""></div>', htmlResult);
+		},
 	]
 );
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