Fix for problem in IE 8 where deserialized (then reserialized) form m…

…arkup was getting malformed. Thanks IE. Fixes #5998.

src/manipulation.js

@@ -197,13 +197,15 @@ jQuery.fn.extend({
 				// as properties will not be copied (such as the
 				// the name attribute on an input).
 				var html = this.outerHTML, ownerDocument = this.ownerDocument;
-				if ( !html ) {
+				if ( !html || jQuery.nodeName( this, "form" ) ) {
 					var div = ownerDocument.createElement("div");
 					div.appendChild( this.cloneNode(true) );
 					html = div.innerHTML;
 				}
 
 				return jQuery.clean([html.replace(rinlinejQuery, "")
+					// Handle the case in IE 8 where action=/test/> self-closes a tag
+					.replace(/=([^="'>\s]+\/)>/g, '="$1">')
 					.replace(rleadingWhitespace, "")], ownerDocument)[0];
 			} else {
 				return this.cloneNode(true);

test/unit/manipulation.js

@@ -757,7 +757,7 @@ test("replaceAll(String|Element|Array<Element>|jQuery)", function() {
 });
 
 test("clone()", function() {
-	expect(30);
+	expect(31);
 	equals( 'This is a normal link: Yahoo', jQuery('#en').text(), 'Assert text for #en' );
 	var clone = jQuery('#yahoo').clone();
 	equals( 'Try them out:Yahoo', jQuery('#first').append(clone).text(), 'Check for clone' );
@@ -807,6 +807,14 @@ test("clone()", function() {
 	div = div.clone(true);
 	equals( div.data("a"), true, "Data cloned." );
 	equals( div.data("b"), true, "Data cloned." );
+
+	var form = document.createElement("form");
+	form.action = "/test/";
+	var div = document.createElement("div");
+	div.appendChild( document.createTextNode("test") );
+	form.appendChild( div );
+
+	equals( jQuery(form).clone().children().length, 1, "Make sure we just get the form back." );
 });
 
 if (!isLocal) {