Switch debian/copyright to the machine-readable DEP5 format

It has been agreed that zsh's Debian packaging is licensed under the
MIT/Expat license.

Relevant replies:

Clint Adams:      https://lists.alioth.debian.org/pipermail/pkg-zsh-devel/2014-September/001111.html
Axel Beckert:     https://lists.alioth.debian.org/pipermail/pkg-zsh-devel/2014-September/001112.html
Richard Hartmann: https://lists.alioth.debian.org/pipermail/pkg-zsh-devel/2014-September/001113.html
Rob Leslie:       https://lists.alioth.debian.org/pipermail/pkg-zsh-devel/2014-September/001114.html
Frank Terbeck:    https://lists.alioth.debian.org/pipermail/pkg-zsh-devel/2014-September/001115.html
Mika Prokop:      https://lists.alioth.debian.org/pipermail/pkg-zsh-devel/2014-September/001119.html

The debian/copyright in this commit is known to be incomplete.

1 files changed, 62 insertions, 32 deletions

diff --git a/debian/copyright b/debian/copyright
index 7a42be708..6799cea17 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,36 +1,66 @@
-This is the Debian Linux prepackaged version of the Z Shell (zsh), a shell
-with lots of features.
+Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: Zsh (Z Shell)
+Upstream-Contact: zsh-workers@zsh.org
+Source: http://www.zsh.org/pub/
+        ftp://ftp.zsh.org/pub/
+        http://sourceforge.net/projects/zsh/files/
 
-This package was put together by Robert Leslie <rob@mars.org> with sources
-obtained from:
-  ftp://ftp.math.gatech.edu/pub/zsh/
+Files: *
+Copyright: 1992-2014 The Zsh Development Group (Paul Falstad, Richard
+           Coleman, Zoltán Hidvégi, Andrew Main, Peter Stephenson,
+           Sven Wischnowsky, and others).  All rights reserved.
+           Individual authors, whether or not specifically named,
+           retain copyright in all changes.
+License: Zsh
 
-Source can now be obtained from ftp://ftp.zsh.org/pub/zsh/
+Files: debian/*
+Copyright: 1996 Robert Leslie <rob@mars.org>
+           1997-2011 Clint Adams <clint@debian.org>
+           2011-2012 Michael Prokop <mika@debian.org>
+           2011-2014 Frank Terbeck <ft@bewatermyfriend.org>
+           2011-2014 Axel Beckert <abe@debian.org>
+           2012-2013 Richard Hartmann <richih@debian.org>
+License: Expat
 
-The following copyright and license apply to this software:
+License: Zsh
+ The Z shell is distributed under the following licence; any
+ provisions made in individual files take precedence.
+ .
+ Permission is hereby granted, without written agreement and without
+ licence or royalty fees, to use, copy, modify, and distribute this
+ software and to distribute modified versions of this software for any
+ purpose, provided that the above copyright notice and the following
+ two paragraphs appear in all copies of this software.
+ .
+ In no event shall the copy right owners liable to any party for
+ direct, indirect, special, incidental, or consequential damages
+ arising out of the use of this software and its documentation, even
+ if and the copyright owners have been advised of the possibility of
+ such damage.
+ .
+ The copyright owners specifically disclaim any warranties, including,
+ but not limited to, the implied warranties of merchantability and
+ fitness for a particular purpose.  The software provided hereunder is
+ on an "as is" basis, and the Zsh Development Group have no obligation
+ to provide maintenance, support, updates, enhancements, or
+ modifications.
 
-The Z Shell is copyright (c) 1992-2000 Paul Falstad, Richard Coleman,
-Zoltán Hidvégi, Andrew Main, Peter Stephenson, Sven Wischnowsky, and
-others.  All rights reserved.  Individual authors, whether or not
-specifically named, retain copyright in all changes; in what follows, they
-are referred to as `the Zsh Development Group'.  This is for convenience
-only and this body has no legal status.  The Z shell is distributed under
-the following licence; any provisions made in individual files take
-precedence.
-
-Permission is hereby granted, without written agreement and without
-licence or royalty fees, to use, copy, modify, and distribute this
-software and to distribute modified versions of this software for any
-purpose, provided that the above copyright notice and the following
-two paragraphs appear in all copies of this software.
-
-In no event shall the Zsh Development Group be liable to any party for
-direct, indirect, special, incidental, or consequential damages arising out
-of the use of this software and its documentation, even if and the Zsh
-Development Group have been advised of the possibility of such damage.
-
-The Zsh Development Group specifically disclaim any warranties, including,
-but not limited to, the implied warranties of merchantability and fitness
-for a particular purpose.  The software provided hereunder is on an "as is"
-basis, and the Zsh Development Group have no obligation to provide
-maintenance, support, updates, enhancements, or modifications.
+License: Expat
+ 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.