Index: modules/system/system.api.php
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.api.php,v
retrieving revision 1.179
diff -u -p -r1.179 system.api.php
--- modules/system/system.api.php	10 Jul 2010 01:59:02 -0000	1.179
+++ modules/system/system.api.php	17 Jul 2010 09:57:03 -0000
@@ -281,6 +281,17 @@ function hook_entity_update($entity, $ty
 }
 
 /**
+ * Act on entities when deleted.
+ *
+ * @param $entity
+ *   The entity object.
+ * @param $type
+ *   The type of entity being deleted (i.e. node, user, comment).
+ */
+function hook_entity_delete($entity, $type) {
+}
+
+/**
  * Alter or execute an EntityFieldQuery.
  *
  * @param EntityFieldQuery $query
