Index: branches/5.2.x/core/kernel/constants.php
===================================================================
diff -u -N -r16247 -r16598
--- branches/5.2.x/core/kernel/constants.php	(.../constants.php)	(revision 16247)
+++ branches/5.2.x/core/kernel/constants.php	(.../constants.php)	(revision 16598)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: constants.php 16247 2015-09-02 20:48:06Z alex $
+* @version	$Id: constants.php 16598 2017-07-27 09:19:55Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -201,8 +201,13 @@
 		const PS_USER = 'USER';
 	}
 
-class CategoryPermissionRebuild {
-	const MANUAL = 1;
-	const SILENT = 2;
-	const AUTOMATIC = 3;
-}
+	class CategoryPermissionRebuild {
+		const MANUAL = 1;
+		const SILENT = 2;
+		const AUTOMATIC = 3;
+	}
+
+	class EmailDelivery {
+		const QUEUE = 1;
+		const IMMEDIATE = 2;
+	}