sax_parser_test.pl

#!/usr/bin/perl

use strict;
use warnings;

use XML::SAX;
use Encode qw( encode_utf8 );

my $parser = XML::SAX::ParserFactory->parser( Handler => MySAXHandler->new );
binmode STDOUT, ':encoding(UTF-8)';
print "\x{65}\x{301}\n";
$parser->parse_string( encode_utf8("<xml>\x{65}\x{301}</xml>") );
$parser->parse_string("<xml>\xEF\xBB\xBF\x{65}\x{301}</xml>");

package MySAXHandler;

use base qw(XML::SAX::Base);

sub start_document {
    my ( $self, $doc ) = @_;

    # process document start event
}

sub start_element {
    my ( $self, $el ) = @_;

    # process element start event
}