Copyright for dealer source package in Focal

Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: dealer
Source: https://henku.home.xs4all.nl/software/dealer.html
Files-Excluded:
 */._*
 getopt.*
 MSDOS/*
 Random/*
 __random.c
Comment: This package was debianized by Christoph Berg  on
 Fri, 17 Jun 2005 16:24:24 +0200.
 .
 It was originally downloaded from:
   http://www.dombo.org/henk/dealer.html

Files: *
Copyright:
 Public domain.
 Authors:
  Hans van Staveren 
  Henk Uijterwaal 
License: dealer
 This program is hereby put in the public domain. Do with it whatever
 you want, but I would like you not to redistribute it in modified form
 without mentioning the fact of modification. I will accept bug reports
 and modification requests, without any obligation of course, but fixing
 bugs someone else put in is beyond me.