This file is indexed.

/usr/share/doc/libfftw3-doc/copyright is in libfftw3-doc 3.3.4-2.

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

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
This package was debianized by James A. Treacy treacy@debian.org on
Tue, 22 Apr 2003 12:50:10 -0500

It was downloaded from http://fftw.org/download.html

The homepage for fftw is at http://fftw.org/

Copyright:

 Copyright (c) 2003, 2007-8 Matteo Frigo
 Copyright (c) 2003, 2007-8 Massachusetts Institute of Technology

License:

 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 2 of the License, or
 (at your option) any later version.

 A copy of the GPL can be found in /usr/share/common-licenses/GPL-2