anchor.diff:      {ok, SecM} = snmp_conf:check_sec_model(SecModel, []),
       snmp_conf:check_string(SecName),
       snmp_conf:check_string(GroupName),
  -
       Vacm = {SecM, SecName, GroupName,
   	    ?'StorageType_nonVolatile', ?'RowStatus_active'},
       {ok, {vacmSecurityToGroup, Vacm}};
  
positive.code:     snmpa_vacm:dump_table().
  
  init_view_table([Row | T]) ->
  %     ?vtrace("init view table: "
  % 	    "~n   Row: ~p",[Row]),    
      Key1 = element(1, Row),
      Key2 = element(2, Row),
      Key = [length(Key1) | Key1] ++ [length(Key2) | Key2],
  
negative.code: 	fun(Prefix, Row) ->
  		lists:flatten(
  		  io_lib:format("~sSecurityModel: ~p (~w)"
  				"~n~sSecurityName:  ~p"
  				"~n~sGroupName:     ~p"
  				"~n~sStorageType:   ~p (~w)"
  				"~n~sStatus:        ~p (~w)", 
  				[Prefix, element(?vacmSecurityModel, Row), 
  				 case element(?vacmSecurityModel, Row) of
  				     ?SEC_ANY -> any;
  