Errors

use_warnings

W3C::LinkChecker

valid_signature

Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Sun 16 Oct 2011 05:34:36 PM JST
gpg:                using RSA key 8779F3447197636C
gpg: Can't check signature: No public key