Errors

use_warnings

Oxford::Calendar

valid_signature

Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Wed 11 Feb 2015 06:21:56 AM JST
gpg:                using RSA key C0057E714D694FB2
gpg: Can't check signature: No public key