anchor.diff:  	end,
       do_echo(Terms, Config, OutTrans, InTrans).
   
  -compress_roundtrip(doc) -> [];
  -compress_roundtrip(suite) -> [];
   compress_roundtrip(Config) when is_list(Config) ->
   	RandomBin = erlang:term_to_binary(lists:seq(1, 5 * 1024 * 1024)), % roughly 26MB
   	<<RandomBin1k:1024/binary,_/binary>> = RandomBin,
  
positive.code: 
  
  
  lists_iterator(doc) -> [];
  lists_iterator(suite) -> [];
  lists_iterator(Config) when is_list(Config) ->
      Ls = [["able ","was ","I ","ere ","I ","saw ","elba"]],
      do_echo(Ls, Config,
  
negative.code: 
  
  
  unicode(Config) when is_list(Config) ->
      S1 = "plain ascii",
      S2 = "iso-latin åäö ñ",
  