Index: wp-includes/taxonomy.php
===================================================================
--- wp-includes/taxonomy.php	(revision 18989)
+++ wp-includes/taxonomy.php	(working copy)
@@ -75,7 +75,7 @@
 		'query_var' => false,
 		'rewrite' => false,
 		'public' => false,
-		'show_ui' => false,
+		'show_ui' => true,
 		'_builtin' => true,
 	) );