xslate not work?

gistfile1.txt

use strict;
use warnings;
use Text::Xslate;
use Data::Section::Simple qw/get_data_section/;

my $xslate = Text::Xslate->new(syntax => 'TTerse');
render('simple_if');
render('declare_if');
render('problem_case');

sub render {
    my $section = shift;
    warn $section;
    warn $xslate->render_string(get_data_section($section));
}

__DATA__
@@ declare_if
[% IF hoge %]
[% ELSE %]
[%    IF fuga %]
[%    ELSE %]
[%    END  %]
[%    SET hoge = fuga %]
[% END %]

@@ simple_if
%% IF hoge
%% ELSE
%%    IF fuga
%%    ELSE
%%    END
%% END

@@ problem_case

%% IF hoge
%% ELSE
%%    IF fuga
%%    ELSE
%%    END
%%    SET hoge = fuga;
%% END