Index: src/selector.js
===================================================================
--- src/selector.js	(revision 5554)
+++ src/selector.js	(working copy)
@@ -67,6 +67,8 @@
 	
 	// The regular expressions that power the parsing engine
 	parse: [
+		// Match: (sub selector, sub...)
+		/^(\()(.*)(\))/,
 		// Match: [@value='test'], [@foo]
 		/^(\[) *@?([\w-]+) *([!*$^~=]*) *('?"?)(.*?)\4 *\]/,
 
@@ -330,6 +332,9 @@
 			else if ( m[1] == "." )
 				r = jQuery.classFilter(r, m[2], not);
 
+			else if ( m[1] == "(" )
+				r = jQuery(r).find(m[2]);
+
 			else if ( m[1] == "[" ) {
 				var tmp = [], type = m[3];