This file is indexed.

/usr/share/doc/auctex/copyright is in auctex 11.87-1ubuntu2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: AUCTeX
Upstream-Contact: General discussion about AUCTeX <auctex@gnu.org>
  Discussion about AUCTeX development <auctex-devel@gnu.org>
  Bug reporting list for AUCTeX <bug-auctex@gnu.org>
  Announcements about AUCTeX <info-auctex@gnu.org>
Source: http://www.gnu.org/software/auctex/

Files: * doc/Makefile.in doc/preview-dtxdoc.pl
Copyright: 1985-2010 Free Software Foundation, Inc.
License: GPL-3+

Files: configure preview/configure
Copyright: 1992-2009 Free Software Foundation, Inc.
License: permissive
  This configure script is free software; the Free Software Foundation
  gives unlimited permission to copy, distribute and modify it.

Files: README doc/intro.texi
Copyright: 2008 Free Software Foundation, Inc.
License: preserve-notice
  Copying and distribution of this file, with or without modification, are
  permitted in any medium without royalty provided the copyright notice
  and this notice are preserved.

Files: install-sh
Copyright: 1991 the Massachusetts Institute of Technology
License: MIT

Files: mkinstalldirs
Copyright: 1993 Noah Friedman <friedman@prep.ai.mit.edu>
License: other
  Public domain

Files: tex-jp.el
Copyright: 1999, 2001 Hidenobu Nabetani
  2002-2007 Free Software Foundation, Inc.
License: GPL-3+

Files: doc/*
Copyright: 1992-2010 Free Software Foundation, Inc.
License: GFDL-NIV-1.3

Files: doc/tex-ref.tex
Copyright: 1987-2010 Free Software Foundation, Inc.
License: preserve-notice
  Permission is granted to make and distribute copies of this card
  provided the copyright notice and this permission notice are preserved
  on all copies.

Files: debian/*
Copyright: 1997-2012 Davide G. M. Salvetti
License: GPL-3+

Files: style/foils.el style/jarticle.el style/jbook.el style/jreport.el
  style/jsarticle.el style/jsbook.el style/j-article.el style/j-book.el
  style/j-report.el style/letter.el style/report.el style/scrpage2.el
Copyright: Ralf Angeli
License: tobeclarified

Files: style/amsbsy.el style/amsopn.el style/amstext.el style/natbib.el
Copyright: Carsten Dominik
License: tobeclarified

Files: style/amsart.el style/amsbook.el style/article.el style/book.el
  style/czech.el style/danish.el style/german.el style/graphics.el
  style/ngerman.el style/slovak.el style/swedish.el
Copyright: tobeclarified
License: tobeclarified

Files: style/dk.el style/dutch.el style/plfonts.el style/plhb.el
  style/virtex.el
Copyright: amanda
License: tobeclarified

Files: style/dinbrief.el
Copyright: Werner Fink
License: tobeclarified

Files: style/epsf.el style/psfig.el
Copyright: Marc Gemis
License: tobeclarified

Files: style/harvard.el
Copyright: 1994, 1997 Berwin Turlach
  2005 Free Software Foundation, Inc.
License: GPL-3+

Files: style/latexinfo.el
Copyright: 1993 Marc Gemis
License: GPL-3+

Files: style/prosper.el
Copyright: 2001, 2002 Phillip Lord, Nevin Kapur
License: GPL-3+

License: GPL-3+
  This program 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.
  .
  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
  .
  On Debian GNU/Linux System, you can find a copy of the GNU General Public
  License  version 3 in the file "/usr/share/common-licenses/GPL-3".

License: GFDL-NIV-1.3
  This program 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.
  .
  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
  .
  On Debian GNU/Linux System, you can find a copy of the GNU General Public
  License  version 3 in the file "/usr/share/common-licenses/GPL-3".

License: MIT
  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.

License: tobeclarified
  Supposedly GPL-3+ as the rest of the code; ask <auctex-devel@gnu.org>.