Index: relativity.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/relativity/relativity.module,v
retrieving revision 1.46.2.7
diff -u -p -r1.46.2.7 relativity.module
--- relativity.module	10 Jul 2009 14:41:43 -0000	1.46.2.7
+++ relativity.module	12 Nov 2009 11:32:31 -0000
@@ -1085,6 +1085,8 @@ function relativity_nodeapi(&$node, $op,
 
     // remove all relationships involving this node from the database table
     case 'delete':
+      // Let other modules act before before deleting a node.
+      module_invoke_all('relativity', 'delete', $node);
       relativity_delete_relationships($node);
       break;