Copyright for dot-forward source package in Xenial

This package was debianized by Gerrit Pape  on
Tue, 18 Apr 2000 18:09:29 +0200.

It was downloaded from http://cr.yp.to/software/dot-forward-0.71.tar.gz

Upstream Author: D. J. Bernstein 

Copyright:

D. J. Bernstein placed the dot-forward package into the public domain.
From http://cr.yp.to/distributors.html
 What are the distribution terms for dot-forward?
 2008.06.01: I hereby place the dot-forward package (in particular,
 dot-forward-0.71.tar.gz, with MD5 checksum 1fefd9760e4706491fb31c7511d69bed)
 into the public domain. The package is no longer copyrighted.

The Debian diff is in the public domain.