Index: core.js
===================================================================
--- core.js	(revision 6544)
+++ core.js	(working copy)
@@ -54,6 +54,7 @@
 
 		// $("body"): Shortcut for quickly finding the body element
 		if ( selector === "body" && !context && document.body ) {
+			this.selector = selector;
 			selector = document.body;
 		}