This file is indexed.

/usr/share/doc/sjeng/copyright is in sjeng 11.2-8.

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

The actual contents of the file can be viewed below.

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This package was debianized by Lukas Geyer <lukas@debian.org> on
Sat, 25 May 2002 01:02:03 +0200.

It was downloaded from http://sjeng.sourceforge.net

Upstream Author: Gian-Carlo Pascutto <gcp@sjeng.org>

Copyright: (C) 2000-2001 Gian-Carlo Pascutto

Original copyright notice:
-------------------------------------------------------------------
Copying/Distribution
--------------------

Sjeng is Free Software and is licensed under the GNU General
Public License. For more details see the file COPYING that
comes with Sjeng.

If this file is missing, write to the  Free Software Foundation,
Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.

Sjeng should have come with source code, or you should have
been given the possibility to obtain it for a charge no more
than the cost of physically performing the source distribution.
If not, please contact gcp@sjeng.org.

Sjeng includes tablebase accessing code written by Andrew Kadatch
and Eugene Nalimov. This code is contained in the files tbindex.cpp
and tbdecode.h and is copyrighted by them, all rights reserved.
This code does _not_ fall under the GPL. You are hereby given the
additional right to compile and link Sjeng with this code, as well
as to distribute the resulting executable and code under the
conditions of the GPL, except for the files tbindex.cpp and
tbdecode.h, which do not fall under the GPL, but may also be
distributed together with Sjeng.

The author regrets having to include this non-free code with
Sjeng, but no free replacement of the same quality is available
yet.
-------------------------------------------------------------------

Additional comments from the Debian maintainer:

On Debian systems, the text of the GPL is available in
/usr/share/common-licenses/GPL. The files tbindex.cpp and tbdecode.h
are not contained in the source code archive, so this package is free
software completely covered by the GPL license.

Lukas Geyer <lukas@debian.org>