anchor.diff:  %%----------------------------------------------------------------------
   
   -spec generate_password(Length) -> password()
  -	when 
  +	when
   		Length :: pos_integer().
   %% @doc Generate a random uniform password.
   %% @private
  
positive.code: 						BucketRefs2 = [B5 || #bucket{id = B5} <- Buckets2],
  						P2 = P1#product{balance = BucketRefs2},
  						mnesia:write(product, P2, write),
  						{0, undefined};
  					{RemainAmount, DeleteRefs, Buckets2} ->
  						B4 = #bucket{id = generate_bucket_id(),
  								start_date = StartDate, end_date = EndDate,
  
negative.code: 	end,
  	lists:sort(F, Buckets).
  
  %% @private
  generate_bucket_id() ->
  	TS = erlang:system_time(?MILLISECOND),
  	N = erlang:unique_integer([positive]),
  