*** 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