Errors

use_warnings

Math::String::Charset, Math::String::Charset::Grouped, Math::String::Charset::Nested

valid_signature

gpg: Signature made Mon 19 Jul 2021 12:38:42 AM JST
gpg:                using RSA key 67263E5D9FAF5EBA
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==