anchor.diff:          ++ TokenPair
           ++ VerifierPair
           ++ CallbackPair,
  +    ParameterPairsEncoded =
  +        [{encode(K), encode(V)}|| {K, V} <- ParameterPairs],
       ParameterSortComparator =
           fun ({K , V1}, {K , V2}) -> V1 =< V2
           ;   ({K1,  _}, {K2,  _}) -> K1 =< K2
           end,
  -    ParameterPairsSorted = lists:sort(ParameterSortComparator, ParameterPairs),
  +    ParameterPairsSorted =
  +        lists:sort(ParameterSortComparator, ParameterPairsEncoded),
       ParameterAppend =
           fun ({K, V}, Acc) ->
               <<Acc/binary, K/binary, "=", V/binary>>
  
positive.code:     , ?AMPERSAND
      ,  ParametersString/binary
      >>.
  
  
  %% 3.4.1.  Signature Base String
  
negative.code:     , callback         = CallbackOpt
      }
  ) ->
      URI           = ?resource:get_uri(Resource),
      BaseStringURI = ?signature_base_string_uri:cons(URI),
      TokenPair =
  