From d6d15b455839aa3a75cbcc5df2d7fa41299b59a9 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Scott=20Gonz=C3=A1lez?= <scott.gonzalez@gmail.com>
Date: Wed, 30 Jul 2014 10:03:53 -0400
Subject: [PATCH] Core: Fix focusable detection for image maps

The attribute selector requires quotes to be valid, but only new (unreleased)
Sizzle has this requirement.
---
 ui/core.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui/core.js b/ui/core.js
index 35930866b..aa1ee0f3d 100644
--- a/ui/core.js
+++ b/ui/core.js
@@ -93,7 +93,7 @@ function focusable( element, isTabIndexNotNaN ) {
 		if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
 			return false;
 		}
-		img = $( "img[usemap=#" + mapName + "]" )[0];
+		img = $( "img[usemap='#" + mapName + "']" )[ 0 ];
 		return !!img && visible( img );
 	}
 	return ( /input|select|textarea|button|object/.test( nodeName ) ?
-- 
2.39.5