All the warnings below seem bogus to me.
% /usr/local/perl-5(_dot_)7(_dot_)3(_at_)15620/bin/perl -wle '
use Encode qw(from_to);
$x = "\x{df}";
from_to($x,"utf-8","iso8859-1");
'
Use of uninitialized value in subroutine entry at
/usr/local/perl-5(_dot_)7(_dot_)3(_at_)15620/lib/5.7.3/i686-linux-thread-multi/Encode.pm
line 200.
Use of uninitialized value in subroutine entry at
/usr/local/perl-5(_dot_)7(_dot_)3(_at_)15620/lib/5.7.3/i686-linux-thread-multi/Encode.pm
line 200.
For the above I would expect something like "illegal character in
string".
% /usr/local/perl-5(_dot_)7(_dot_)3(_at_)15620/bin/perl -wle '
use Encode qw(from_to);
$x = "\x{100}";
from_to($x,"utf-8","iso8859-1");
'
Use of uninitialized value in subroutine entry at
/usr/local/perl-5(_dot_)7(_dot_)3(_at_)15620/lib/5.7.3/i686-linux-thread-multi/Encode.pm
line 200.
Use of uninitialized value in subroutine entry at
/usr/local/perl-5(_dot_)7(_dot_)3(_at_)15620/lib/5.7.3/i686-linux-thread-multi/Encode.pm
line 200.
For the above I would expect no warning at all.
% /usr/local/perl-5(_dot_)7(_dot_)3(_at_)15620/bin/perl -wle '
use Encode qw(from_to);
$x = Encode::encode_utf8("\x{100}");
from_to($x,"utf-8","iso8859-1");
'
"\N{U+100}" does not map to iso-8859-1 at
/usr/local/perl-5(_dot_)7(_dot_)3(_at_)15620/lib/5.7.3/i686-linux-thread-multi/Encode.pm
line 200.
Use of uninitialized value in length at
/usr/local/perl-5(_dot_)7(_dot_)3(_at_)15620/lib/5.7.3/i686-linux-thread-multi/Encode.pm
line 202.
The \N{U+HHHH} notation is retracted since patch 9025. The warning
about length() makes no sense at all.
--
andreas