Re: :encoding() layer modifies read-only scalars

* Bjoern Hoehrmann wrote:
>  Enocde 2.08, PerlIO::scalar 0.02, ActivePerl 5.8.2, 
>
>  #!perl -w
>  use strict;
>  use warnings;
>  use Encode;
>  
>  my $string = encode(UTF16 => "");
>  
>  for (qw/UTF-8 UTF-16LE UTF-16BE UTF-32LE UTF-32BE/)
>  {
>    my $backup = $string;
>    open F, "<:encoding($_)", \$backup;
>    my $char;
>    read F, $char, 1, 0;
>    close F;
>  
>    die unless $backup eq $string;
>  }
>  
>Gives
>
>  utf8 "\xFE" does not map to Unicode at ... line 13.
>  utf8 "\xFF" does not map to Unicode at ... line 13.
>  Unicode character 0xfffe is illegal at ... line 13.
>  Died at ... line 16.

Perl ActivePerl 5.8.4 and the same PerlIO::scalar/Encode the result is

  utf8 "\xFE" does not map to Unicode at 1.pl line 13.
  Unicode character 0xfffe is illegal at 1.pl line 13.
  Died at 1.pl line 16.

Which is still not what I would expect...
-- 
Björn Höhrmann · mailto:[email protected] · http://bjoern.hoehrmann.de
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