use strict;
use warnings;
use utf8 ;

use Encode;
use Data::Dump qw/dd pp/;
use Devel::Peek;
use MIME::Base64 ;

my $str ='Ä';

warn "\n*** orig str='$str'";
Dump $str;


our $encoded = MIME::Base64::encode_base64($str);
warn "\n*** encode_b64 encoded='$encoded'";
Dump $encoded;


warn "\n*** decode_b64";
our $decoded = MIME::Base64::decode_base64($encoded);
Dump $decoded;

warn "\n*** encode_utf8";
$decoded = Encode::encode_utf8($decoded);
Dump $decoded;

warn "\n*** _utf8_on";
Encode::_utf8_on($decoded);
Dump $decoded;

##</code><code>##

*** orig str='Ä' at c:/tmp/b64_utf8.pl line 12.
SV = PV(0x54c9d8) at 0x5a8b00
  REFCNT = 1
  FLAGS = (PADMY,POK,pPOK,UTF8)
  PV = 0x5471d8 "\303\204"\0 [UTF8 "\x{c4}"]
  CUR = 2
  LEN = 16

*** encode_b64 encoded='xA==
' at c:/tmp/b64_utf8.pl line 17.
SV = PV(0x54caa8) at 0x26dbcb8
  REFCNT = 1
  FLAGS = (POK,pPOK)
  PV = 0x547478 "xA==\n"\0
  CUR = 5
  LEN = 16

*** decode_b64 at c:/tmp/b64_utf8.pl line 21.
SV = PV(0x54cb08) at 0x26da130
  REFCNT = 1
  FLAGS = (POK,pPOK)
  PV = 0x28d2b98 "\304"\0
  CUR = 1
  LEN = 16

*** encode_utf8 at c:/tmp/b64_utf8.pl line 25.
SV = PV(0x54cb08) at 0x26da130
  REFCNT = 1
  FLAGS = (POK,pPOK)
  PV = 0x28d2c28 "\303\204"\0
  CUR = 2
  LEN = 16

*** _utf8_on at c:/tmp/b64_utf8.pl line 29.
SV = PV(0x54cb08) at 0x26da130
  REFCNT = 1
  FLAGS = (POK,pPOK,UTF8)
  PV = 0x28d2c28 "\303\204"\0 [UTF8 "\x{c4}"]
  CUR = 2
  LEN = 16