[1] gisle/mime-base64: The base64 and quoted-printable encoder/decoder for Perl (2018-02-03 18:35:15 +09:00) <https://github.com/gisle/mime-base64>

[2] Gisle Aas / MIME-Base64 - search.cpan.org (2018-02-03 18:35:27 +09:00) <http://search.cpan.org/dist/MIME-Base64/>