Log Message:
From http://cr.yp.to/distributors.html:

What are the distribution terms for cdb?

2009.07.21: I hereby place the cdb package (in particular,
cdb-0.75.tar.gz, with MD5 checksum 81fed54d0bde51b147dd6c20cdb92d51)
into the public domain. The package is no longer copyrighted.