True. What do you need to know?

I really only removed line 76 (use AutoLoader;) and removed lines 650 (1;) and (#__END__).

My example code looks as follows:

#!perl

use strict;
use warnings;
use utf8;
use 5.020;
use FindBin qw/$Bin/;
use lib $Bin . '/Tk-Text-SuperText-0.9.5';
use Tk;
use Tk::Text::SuperText;

say $Tk::Text::SuperText::VERSION;

my $mw = tkinit();

my $st = $mw->SuperText->pack(-fill => 'both', -expand => 1);

$mw->MainLoop;
exit(0);
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Maybe the module was broken from the beginning and the errors show regardless of the changes I did. But that's just a suspicion.