+[profile_list]
+tagger = profile:id
+
+[profile_tag]
+tagger = profile:id
+tagged = profile:id
+; in class definition:
+;tag,tagger = profile_list:tag,tagger
+
+[profile_list]
+tagger = profile:id
+
+[profile_tag_subscription]
+profile_tag_id = profile_list:id
+profile_id = profile:id
+