Algorithm::CheckDigits::M11_001(3pm) on Linux

The text eb30cb4405a2, as Debian 13 (Trixie), Debian 12 (Bookworm) shipped it. The page shows this text now.

compute check digits for ISBN, ISSN, VAT RN (PT), HKID (HK), Wagon number (BR), NHS (GB), VAT (SL)