my $twig = XML::Twig->new(
    twig_handlers => {
        keep_atts_order => 1,
        color           => \&content_handler,
    },
    pretty_print  => 'indented',
);

##</code><code>##

my $twig = XML::Twig->new(
    twig_handlers   => {
        color => \&content_handler,
    },
    keep_atts_order => 1,
    pretty_print    => 'indented',
);

##</code><code>##

$color->set_atts({...});

##</code><code>##

$color->set_atts(...);