anchor.diff:  -include_lib("kernel/include/file.hrl").
   
   -compile(export_all).
  -
  --define(unicode_string,[945,946]). % greek letters alpha and beta
   
   % Default timetrap timeout (set in init_per_testcase).
   %-define(default_timeout, ?t:minutes(40)).
  
positive.code:     %% Due to problem with long paths on windows => creating a new
      %% priv_dir under data_dir
      %% And get rid of trailing slash (absname does that)
      %% And if file name translation mode is utf8 when not on windows,
      %% use a path with unicode characters...
      PrivDir =
  	case {file:native_name_encoding(),os:type()} of
  	    {utf8,{Os,_}} when Os=/=win32 ->
  		"priv_dir_" ++ ?unicode_string;
  	    _ ->
  		"priv_dir"
  	end,
  
negative.code: %% install under a path which includes unicode characters
  target_system_unicode(Conf) when is_list(Conf) ->
      PrivDir = priv_dir(Conf),
      UnicodePrivDir = filename:join(PrivDir,"αβ"),
  
      PA = filename:dirname(code:which(?MODULE)),
  
  