Index: editadvanced_form.php
===================================================================
--- editadvanced_form.php	(revision 264)
+++ editadvanced_form.php	(working copy)
@@ -28,7 +28,11 @@
         $modules = get_list_of_plugins('auth');
         $auth_options = array();
         foreach ($modules as $module) {
-            $auth_options[$module] = get_string("auth_$module"."title", "auth");
+			//MDL-18273: Fix to correctly search for custom auth plugin lang files
+			$auth_options[$module] = get_string("auth_$module"."title", "auth");		
+			if ($auth_options[$module] == "[[auth_{$module}title]]") {
+				$auth_options[$module] = get_string("auth_{$module}title", "auth_{$module}");
+			}
         }
         $mform->addElement('select', 'auth', get_string('chooseauthmethod','auth'), $auth_options);
         $mform->setHelpButton('auth', array('authchange', get_string('chooseauthmethod','auth')));