This file is indexed.

/usr/share/doc/intercal/copyright is in intercal 29:0.29-3.

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
21
22
23
24
25
26
27
This package was debianized by Mark W. Eichin <eichin@kitten.gen.ma.us> and is
now maintained by Joey Hess <joeyh@debian.org>

Its web site is http://intercal.freeshell.org/

C-INTERCAL is now distributed under the General Public License,
except for the C skeleton file which is explicitly *not* GPLed
in order to avoid the (possibly mythical) "license virus" effect.

    Copyright (C) 1996 Eric S. Raymond 
    Copyright (C) 2006 Alex Smith 

    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.

    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.

See the file /usr/share/common-licenses/GPL for details on the General
Public License.

The skeleton file has this copyright:
/* This code is explicitly *not* GPLed.  Use, abuse, and redistribute freely */