anchor.diff:                      end,
                       { Acc, SourceMap },
                       SourceKeys),
  -    interpolate_values(N - 1, SourceKeys, OutputSourceMap, OutputAcc).
  +    merge_values(N - 1, SourceKeys, OutputSourceMap, OutputAcc).
   
   %% Collect the first value for a given key, then return the value and the mutated map:
   pop_value(Key, SourceMap) ->
  
positive.code: -ifndef(MD_LASTMOD).
   -define(MD_LASTMOD,  <<"X-Riak-Last-Modified">>).
  -endif.
  
  %% JFW: hack until we can get this to play nicely with rebar:
  log_info(Message) -> lager:log(info, self(), Message).
  
negative.code:         true  -> erlang:throw("Requested more vnodes than available in smallest target")
      end,
  
      merge_values(MinLen, HandoffMembers, HandoffMap, []).
  
  %%
  %% Selection utilities:
  