Errors

use_warnings
Math::String::Charset::Wordlist
valid_signature
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Fri 04 Apr 2008 01:30:28 AM JST
gpg:                using RSA key 770B3C4393B84C15
gpg: Can't check signature: No public key