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This is the Debian GNU/Linux prepackaged version of the GNU groff
document formatting system.
GNU groff was written by James Clark <[e-mail]>.
It is now maintained by Ted Harding <[e-mail]> and
Werner Lemberg <[e-mail]>.

This Debian package was previously maintained by Fabrizio Polacco
<[e-mail]>.
It is now maintained by Colin Watson <[e-mail]>.

The original tarball came from <URL:ftp://groff.ffii.org/pub/groff/>:
  4c7a1b478d230696f14743772f31639f  groff-1.18.1.tar.gz
and was simply renamed to groff_1.18.1.orig.tar.gz.

Some patches have been applied to groff outside the debian directory. The
most visible of these is a patch for Japanese support (contributed by
Fumitoshi UKAI and others in the jgroff team), which adds the ascii8 and
nippon devices and a number of font files. This has been discussed on the
upstream mailing list, and the opinion there was that multi-byte language
support would be better implemented using preprocessors and a UTF-8 core.
However, at the time of writing, there are no known problems caused by this
patch, and until a more complete solution is implemented upstream this
provides a useful service to Japanese users of Debian.

The Debian diff also appends /usr/share/groff/tmac to the default macro path
for compatibility with versions of groff earlier than 1.17 (patch by Colin
Watson).

=========================================================================

Copyright (C) 1989-2000 Free Software Foundation, Inc.
     Written by James Clark ([e-mail])

This file is part of groff.

groff 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 2, or (at your option) any later
version.

groff 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 groff; see the file COPYING.  If not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
USA.

On Debian systems, a copy of the GNU General Public License is available
in /usr/share/common-licenses/GPL as part of the base-files package.

=========================================================================

Included in this release are implementations of troff, pic, eqn, tbl,
grn, refer, -man, -mdoc, and -ms macros, and drivers for PostScript, TeX
dvi format, HP LaserJet 4 printers, Canon CAPSL printers, HTML format
(still alpha), and typewriter-like devices.  Also included is a modified
version of the Berkeley -me macros, an enhanced version of the X11
xditview previewer, and an implementation of the -mm macros contributed
by Joergen Haegg ([e-mail]).

xditview is copyrighted by MIT under the usual X terms.

/*
 * Copyright 1991 Massachusetts Institute of Technology
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of M.I.T. not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  M.I.T. makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

=========================================================================

The groff manual is distributed under the terms of the GNU Free
Documentation License, whose text follows below. However, Debian does not
consider this free when the Front-Cover Texts or Back-Cover Texts options
are used. More recent versions of groff are distributed with a LICENSES file
containing the following text (excerpted):

  The groff program is a free software project.  It is licensed under the GNU
  General Public License (GNU GPL), version 2 or later.

  The file COPYING in the top directory of the groff source package contains a
  copy of the GPL that was downloaded from the GNU web site
  http://www.gnu.org/copyleft/gpl.txt at 1 dec 2003.

  All files part of groff are licensed under this version of the GPL (or
  licenses which are compatible with the GPL). You are free to choose
  version 2 or any subsequent version of the GPL.

I e-mailed the upstream maintainer to clarify the intent of this. Here is
the relevant part of the reply:

  From: Werner LEMBERG <[e-mail]>
  To: [e-mail]
  Subject: Re: Clarifying the scope of groff/LICENSE
  Date: Thu, 18 Nov 2004 00:19:52 +0100 (CET)

  > Since "compatible with the GPL" means to all intents and purposes
  > "may be distributed under the terms of the GPL", can I correctly
  > assume that groff/LICENSE grants me permission to distribute
  > groff/doc/groff.texinfo and groff/doc/pic.ms under the terms of the
  > GPL?

  This is the intention, of course.

  > If not, is the FDL thing from yesteryear going to be resolved some
  > other way?  I just want to make sure that I don't get forced to
  > remove the groff manual, since that would really diminish the
  > quality of the Debian package IMHO.

  Sigh.  I haven't found time to revert the FDL stuff back to GPL.  It
  basically affects only Bernd Warken and me, and we have both agreed to
  return to GPL in case FDL makes problems.

(Note that this e-mail predates the current wording in LICENSES.)

It is therefore my understanding that the copyright holders of the groff
documentation intend it to be distributable under the terms of the GPL
version 2 or later, and that there is no reason why this shouldn't extend to
the version in groff 1.18.1 (no material was removed from the documentation
in the process of applying the GPL to it). The FDL text that follows is for
information only.

Copyright (C) 1994-2000, 2001, 2002 Free Software Foundation, Inc.

  Permission is granted to copy, distribute and/or modify this
  document under the terms of the GNU Free Documentation License,
  Version 1.1 or any later version published by the Free Software
  Foundation; with no Invariant Sections, with the Front-Cover texts
  being `A GNU Manual," and with the Back-Cover Texts as in (a)
  below.  A copy of the license is included in the section entitled
  `GNU Free Documentation License."

  (a) The FSF's Back-Cover Text is: `You have freedom to copy and
  modify this GNU Manual, like GNU software.  Copies published by
  the Free Software Foundation raise funds for GNU development."


        GNU Free Documentation License
           Version 1.1, March 2000

 Copyright (C) 2000  Free Software Foundation, Inc.
     51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.


0. PREAMBLE

The purpose of this License is to make a manual, textbook, or other
written document "free" in the sense of freedom: to assure everyone
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This License is a kind of "copyleft", which means that derivative
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We have designed this License in order to use it for manuals for free
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1. APPLICABILITY AND DEFINITIONS

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It is requested, but not required, that you contact the authors of the
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4. MODIFICATIONS

You may copy and distribute a Modified Version of the Document under
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A. Use in the Title Page (and on the covers, if any) a title distinct
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B. List on the Title Page, as authors, one or more persons or entities
   responsible for authorship of the modifications in the Modified
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C. State on the Title page the name of the publisher of the
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D. Preserve all the copyright notices of the Document.
E. Add an appropriate copyright notice for your modifications
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G. Preserve in that license notice the full lists of Invariant Sections
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H. Include an unaltered copy of this License.
I. Preserve the section entitled "History", and its title, and add to
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If the Modified Version includes new front-matter sections or
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In the combination, you must combine any sections entitled "History"
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You may make a collection consisting of the Document and other documents
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7. AGGREGATION WITH INDEPENDENT WORKS

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If the Cover Text requirement of section 3 is applicable to these
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8. TRANSLATION

Translation is considered a kind of modification, so you may
distribute translations of the Document under the terms of section 4.
Replacing Invariant Sections with translations requires special
permission from their copyright holders, but you may include
translations of some or all Invariant Sections in addition to the
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translation of this License provided that you also include the
original English version of this License.  In case of a disagreement
between the translation and the original English version of this
License, the original English version will prevail.


9. TERMINATION

You may not copy, modify, sublicense, or distribute the Document except
as expressly provided for under this License.  Any other attempt to
copy, modify, sublicense or distribute the Document is void, and will
automatically terminate your rights under this License.  However,
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License will not have their licenses terminated so long as such
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10. FUTURE REVISIONS OF THIS LICENSE

The Free Software Foundation may publish new, revised versions
of the GNU Free Documentation License from time to time.  Such new
versions will be similar in spirit to the present version, but may
differ in detail to address new problems or concerns.  See
http://www.gnu.org/copyleft/.

Each version of the License is given a distinguishing version number.
If the Document specifies that a particular numbered version of this
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following the terms and conditions either of that specified version or
of any later version that has been published (not as a draft) by the
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number of this License, you may choose any version ever published (not
as a draft) by the Free Software Foundation.


ADDENDUM: How to use this License for your documents

To use this License in a document you have written, include a copy of
the License in the document and put the following copyright and
license notices just after the title page:

      Copyright (c)  YEAR  YOUR NAME.
      Permission is granted to copy, distribute and/or modify this document
      under the terms of the GNU Free Documentation License, Version 1.1
      or any later version published by the Free Software Foundation;
      with the Invariant Sections being LIST THEIR TITLES, with the
      Front-Cover Texts being LIST, and with the Back-Cover Texts being LIST.
      A copy of the license is included in the section entitled "GNU
      Free Documentation License".

If you have no Invariant Sections, write "with no Invariant Sections"
instead of saying which ones are invariant.  If you have no
Front-Cover Texts, write "no Front-Cover Texts" instead of
"Front-Cover Texts being LIST"; likewise for Back-Cover Texts.

If your document contains nontrivial examples of program code, we
recommend releasing these examples in parallel under your choice of
free software license, such as the GNU General Public License,
to permit their use in free software.

=========================================================================

meintro.me and meref.me are distributed under the following terms:

  Copyright (c) 1986 The Regents of the University of California.
  All rights reserved.

  Redistribution and use in source and binary forms are permitted
  provided that the above copyright notice and this paragraph are
  duplicated in all such forms and that any documentation,
  advertising materials, and other materials related to such
  distribution and use acknowledge that the software was developed
  by the University of California, Berkeley.  The name of the
  University may not be used to endorse or promote products derived
  from this software without specific prior written permission.
  THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

=========================================================================

pic.ms is distributed under the following terms:

  This document was written for free use and redistribution by
  Eric S. Raymond <[e-mail]> in August 1995.

(I've contacted the author for clarification.)