--- a/schema.py	Fri Oct 01 11:08:31 2010 +0200
+++ b/schema.py	Fri Oct 01 11:09:25 2010 +0200
@@ -51,8 +51,8 @@
     'owned_by', 'created_by', 'is', 'is_instance_of', 'identity',
     'eid', 'creation_date', 'modification_date', 'has_text', 'cwuri',
     ))
-SYSTEM_RTYPES = set(('require_permission', 'custom_workflow', 'in_state',
-                     'wf_info_for'))
+WORKFLOW_RTYPES = set(('custom_workflow', 'in_state', 'wf_info_for'))
+SYSTEM_RTYPES = set(('require_permission',)) | WORKFLOW_RTYPES
 
 # set of entity and relation types used to build the schema
 SCHEMA_TYPES = set((