anchor.diff:              case z_db:transaction(F, Context) of
                   {ok,EdgeId} ->
                       z_depcache:flush(SubjectId, Context),
  +					z_notifier:notify({edge_insert, SubjectId, PredName, ObjectId}, Context),
                       {ok, EdgeId};
                   {error, Reason} ->
                       {error, Reason}
  
positive.code:             z_db:transaction(F, Context),
              z_depcache:flush(SubjectId, Context),
              z_depcache:flush(ObjectId, Context),
              ok;
          AclError -> 
              {error, {acl, AclError}}
  
negative.code: 		                {ok, EdgeId} = z_db:transaction(F, Context),
  		                z_depcache:flush(SubjectId, Context),
  		                z_depcache:flush(ObjectId, Context),
  						z_notifier:notify({edge_insert, SubjectId, PredName, ObjectId}, Context),
  		                {ok, EdgeId};
  					AclError ->
  						{error, {acl, AclError}}
  