No ticket: move jQuery.expando to core

src/core.js

@@ -361,6 +361,10 @@ jQuery.extend = jQuery.fn.extend = function() {
 };
 
 jQuery.extend({
+	// Unique for each copy of jQuery on the page
+	// Non-digits removed to match rinlinejQuery
+	expando: "jQuery" + ( core_version + Math.random() ).replace( /\D/g, "" ),
+
 	noConflict: function( deep ) {
 		if ( window.$ === jQuery ) {
 			window.$ = _$;