anchor.diff:  %% @doc Create a database and a client for connectiong to it.
   %% @equiv create_db(Server, DbName, [], [])
   create_db(Server, DbName) ->
  -    create_db(Server, DbName, []).
  +    create_db(Server, DbName, [], []).
   
   %% @doc Create a database and a client for connectiong to it.
   %% @equiv create_db(Server, DbName, Options, [])
   create_db(Server, DbName, Options) ->
  -    create_db(Server, DbName, Options).
  +    create_db(Server, DbName, Options, []).
   
   %% @doc Create a database and a client for connectiong to it.
   %% 
  
positive.code:             Error
      end.
  
  %% @doc get database info
  %% @spec db_infos(db()) -> iolist()
  db_infos(#db{server=Server, name=DbName}) ->
  
negative.code:         server_connection/5, server_info/1,
          get_uuid/1, get_uuids/2,
          create_db/2, create_db/3, create_db/4, open_db/2, open_db/3,
          open_or_create_db/2, open_or_create_db/3,  open_or_create_db/4,
          delete_db/1, delete_db/2, db_infos/1]).
  
  %% --------------------------------------------------------------------
  %% Generic utilities.
  