From a7f42d9966443342098fc6b40d6ff823c75bb43a Mon Sep 17 00:00:00 2001
From: Richard Gibson <richard.gibson@gmail.com>
Date: Mon, 13 May 2013 21:55:00 -0400
Subject: [PATCH] Fix #13835: classes separated by form feed (cherry picked
 from commit d8a35011ec05ed3493a85c1bd699902893cd437c)

---
 src/attributes.js       |  2 +-
 test/unit/attributes.js | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/attributes.js b/src/attributes.js
index 8a6bf5659..4ea1bd5cf 100644
--- a/src/attributes.js
+++ b/src/attributes.js
@@ -1,5 +1,5 @@
 var nodeHook, boolHook,
-	rclass = /[\t\r\n]/g,
+	rclass = /[\t\r\n\f]/g,
 	rreturn = /\r/g,
 	rfocusable = /^(?:input|select|textarea|button|object)$/i,
 	rclickable = /^(?:a|area)$/i,
diff --git a/test/unit/attributes.js b/test/unit/attributes.js
index b913ce960..aa9d3b48c 100644
--- a/test/unit/attributes.js
+++ b/test/unit/attributes.js
@@ -1357,6 +1357,26 @@ test( "contents().hasClass() returns correct values", function() {
 	ok( !$contents.hasClass("undefined"), "Did not find 'undefined' in $contents (correctly)" );
 });
 
+test( "hasClass correctly interprets non-space separators (#13835)", function() {
+	expect( 4 );
+
+	var
+		map = {
+			tab: "&#9;",
+			"line-feed": "&#10;",
+			"form-feed": "&#12;",
+			"carriage-return": "&#13;"
+		},
+		classes = jQuery.map( map, function( separator, label ) {
+			return " " + separator + label + separator + " ";
+		}),
+		$div = jQuery( "<div class='" + classes + "'></div>" );
+
+	jQuery.each( map, function( label ) {
+		ok( $div.hasClass( label ), label.replace( "-", " " ) );
+	});
+});
+
 test( "coords returns correct values in IE6/IE7, see #10828", function() {
 	expect( 1 );
 
-- 
2.39.5