anchor.diff:      clean(base64:encode_to_string(atom_to_list(Bucket))).
   
   decode_bucket(B64) ->
  -    list_to_binary(base64:decode_to_string(dirty(B64))).
  +    list_to_atom(base64:decode_to_string(dirty(B64))).
   
   encode_key(Key) ->
       clean(base64:encode_to_string(Key)).
  
positive.code:     ["0","0",[N3a,N3b]];
  nest(_) ->
      ["0","0","0"].
  
negative.code: 
  -module(riak_fs_backend).
  -export([start/1,stop/1,get/2,put/3,list/1,list_bucket/2,delete/2]).
  -include_lib("eunit/include/eunit.hrl").
  % @type state() = term().
  -record(state, {dir}).
  
  