anchor.diff:  error_description(Err) ->
       mnesia_lib:error_desc(Err).
   
  --spec info() -> ok.
  +-spec info() -> 'ok'.
   info() ->
       case mnesia_lib:is_running() of
   	yes ->
  
positive.code: 
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %% Snmp
  -spec snmp_open_table(Tab::table(), Snmp::snmp_struct()) -> ok.
  snmp_open_table(Tab, Us) ->
      mnesia_schema:add_snmp(Tab, Us).
  
  -spec snmp_close_table(Tab::table()) -> ok.
  snmp_close_table(Tab) ->
      mnesia_schema:del_snmp(Tab).
  
  
negative.code: bad_info_reply(Tab, Item) -> abort({no_exists, Tab, Item}).
  
  %% Raw info about all tables
  -spec schema() -> 'ok'.
  schema() ->
      mnesia_schema:info().
  
  %% Raw info about one tables
  -spec schema(Tab::table()) -> 'ok'.
  schema(Tab) ->
      mnesia_schema:info(Tab).
  
  