Add a META.yml to the distribution. Your buildtool should be able to autogenerate it.
Remove the POD errors. You can check for POD errors automatically by including Test::Pod to your test suite.
Error: Language-DATR-DATR2XML-0.901/DATR2XML.pm -- Around line 104: '=item' outside of any '=over'Around line 178: You forgot a '=back' before '=head1'Around line 353: =cut found outside a pod block. Skipping to next block.Around line 386: =cut found outside a pod block. Skipping to next block.Around line 1452: Non-ASCII character seen before =encoding in 'Â©'. Assuming CP1252
List all used modules in META.yml requires
Add a META.json to the distribution. Your buildtool should be able to autogenerate it.
Add tests or move tests.pl to the t/ directory!
Define the license if you are using in Build.PL. If you are using MakeMaker (Makefile.PL) you should upgrade to ExtUtils::MakeMaker version 6.31.