package tmod;
use 5.20.0;
use strict;
use warnings;
require Exporter;
our @ISA = qw(Exporter);
our @EXPORT_OK = qw($v0 $v1 $v2);
our %EXPORT_TAGS = (tag_v0=>[qw($v0)]);
our $v0=0;
our $v1=1;
our $v2='';

1;

##</code><code>##

use 5.20.0;
use strict;
use warnings;
use Carp;
use tmod qw(tag_v0);

say "done"; 
exit;

##</code><code>##

perl test_tmod.pl
"tag_v0" is not exported by the tmod module
Can't continue after import errors at test_tmod.pl line 5.
BEGIN failed--compilation aborted at test_tmod.pl line 5.