anchor.diff:          cut/2,
           date/1,
           date/2,
  +        date_unix_epoch/1,
           default/2,
           default_if_none/2,
           dictsort/2,
  
positive.code: date(Input, _FormatStr) when is_list(Input) ->
      io:format("Unexpected date parameter : ~p~n", [Input]),
      "".
  
  %% @doc If value evaluates to `false', use given default. Otherwise, use the value.
  default(Input, Default) ->
  
negative.code: %% @doc Returns a plural suffix if the value is not 1. By default, this suffix is 's'.
  pluralize(Number, Suffix) when is_binary(Suffix) ->
      pluralize_io(Number, binary_to_list(Suffix) );
  
  pluralize(Number, Suffix) when is_list(Suffix) ->
      pluralize_io(Number, Suffix).
  
  