Index: modules/filter/filter.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/filter/filter.module,v
retrieving revision 1.349
diff -u -p -r1.349 filter.module
--- modules/filter/filter.module  29 Sep 2010 14:58:24 -0000  1.349
+++ modules/filter/filter.module  29 Sep 2010 15:52:37 -0000
@@ -385,6 +385,10 @@ function filter_formats($account = NULL)
         ->execute()
         ->fetchAllAssoc('format');
 
+      // Allow modules to alter the list of formats; e.g., to load formats
+      // exported into code.
+      drupal_alter('filter_formats', $formats['all'])
+
       cache_set("filter_formats:{$language->language}", $formats['all']);
     }
   }