_utf8_on
--------
SV = PV(0x226154) at 0x1853e20
  REFCNT = 1
  FLAGS = (PADBUSY,PADMY,POK,pPOK,UTF8)
  PV = 0x18307d4 "\302A"\0Malformed UTF-8 character (unexpected non-continuation byte 0x41, immediately after start byte 0xc2) in subroutine entry at 688773.pl line 19, <$fh> line 1.
 [UTF8 "\x{0}"]
  CUR = 2
  LEN = 80

binmode ':utf8'
---------------
utf8 "\xC2" does not map to Unicode at 688773.pl line 28, <$fh> line 1.
SV = PV(0x226154) at 0x18dcdc4
  REFCNT = 1
  FLAGS = (PADBUSY,PADMY,POK,pPOK,UTF8)
  PV = 0x183083c "\302A"\0Malformed UTF-8 character (unexpected non-continuation byte 0x41, immediately after start byte 0xc2) in subroutine entry at 688773.pl line 29, <$fh> line 1.
 [UTF8 "\x{0}"]
  CUR = 2
  LEN = 80

binmode ':encoding(utf8)'
-------------------------
utf8 "\xC2" does not map to Unicode at 688773.pl line 38.
SV = PV(0x22616c) at 0x18dce6c
  REFCNT = 1
  FLAGS = (PADBUSY,PADMY,POK,pPOK,UTF8)
  PV = 0x18f2964 "\\xC2A"\0 [UTF8 "\\xC2A"]
  CUR = 5
  LEN = 80

decode 'utf8'
-------------
SV = PV(0x22616c) at 0x18dce9c
  REFCNT = 1
  FLAGS = (PADBUSY,PADMY,POK,pPOK,UTF8)
  PV = 0x182d0cc "\357\277\275A"\0 [UTF8 "\x{fffd}A"]
  CUR = 4
  LEN = 8

decode 'utf-8'
--------------
SV = PV(0x18d1688) at 0x18dcefc
  REFCNT = 1
  FLAGS = (PADBUSY,PADMY,POK,pPOK,UTF8)
  PV = 0x182ce5c "\357\277\275A"\0 [UTF8 "\x{fffd}A"]
  CUR = 4
  LEN = 8