Index: core.js
===================================================================
--- core.js	(revision 5841)
+++ core.js	(working copy)
@@ -201,7 +201,7 @@
 		if ( this[0] )
 			// The elements to wrap the target around
 			jQuery( html, this[0].ownerDocument )
-				.clone()
+				.clone(true)
 				.insertBefore( this[0] )
 				.map(function(){
 					var elem = this;