Copyright for sketch source package in Focal

This package was downloaded from 

Files: *
Copyright: © 2005-2009 Eugene K. Ressler, Jr.  
License: GPL3+

	Sketch is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as
	published by the Free Software Foundation; either version 3,
	or (at your option) any later version.

	Sketch is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public
	License along with Sketch; see the file COPYING.txt.  If not, see
	http://www.gnu.org/copyleft 

Files: debian/*
Copyright: © 2007,2009 David Bremner (Debian Packaging)
License: Same as upstream (GPL3+)

Files: debian/examples/km-*
Copyright: © 2009 Kjell Magne Fauske
Downloaded from: http://www.fauskes.net/nb/introduction-to-sketch/
License: MIT
 This code is released under the MIT license
 See http://www.opensource.org/licenses/mit-license.php for details. 

On Debian systems, the GPL version 3 can be found as
`/usr/share/common-licenses/GPL-3'

The MIT License text is as follows:

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.