- perl-Perl-Critic-Compatibility (4)
- Development/Perl (3)
- GPL+ or Artistic (3)
- Don't allow three-argument open unless the code uses a version of perl that supports it (2)
- Don't allow three-argument open unless version of perl supports it
- Perl::Critic policies for compatibility with Perl versions
- Policies for Perl::Critic concerned with compatibility with various versions of Perl.