Errors

use_warnings

Graph::Easy::As_svg

valid_signature

Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Mon 18 Dec 2006 12:14:53 AM JST
gpg:                using RSA key 770B3C4393B84C15
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==