This file is indexed.

/usr/share/doc/ed/copyright is in ed 1.10-2.

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 is Debian GNU's prepackaged version of the FSF's GNU ed
utility.  The classic unix line editor, ed is a line-oriented text
editor.  It is used to create, display, modify and otherwise
manipulate text files.

This package was put together by me, James Troup <james@nocrew.org>,
from the GNU sources, which I obtained from:

  ftp://ftp.gnu.org/pub/gnu/ed/ed-0.7.tar.bz2

The changes were small:

o adding support for the Debian package maintenance scheme, by adding
  various debian/* files.
o buf.c (open_sbuf): use tmpfile() and not mktemp().
o glbl.c (exec_global), io.c (read_stream, get_stream_line), main.c
  (main, exec_command, get_matching_node_addr, strip_escapes), re.c
  (get_compiled_pattern), sub.c (extract_subst_template, 
  substitute_matching_text): parentheses to quiet -Wall.
o ed.1: various fixes by Matt Kraai <kraai@alumni.carnegiemellon.edu>

Program Copyright (C) 1993, 1994 Andrew Moore, Talke Studio.
        Copyright (C) 2006, 2007 Antonio Diaz Diaz.
Modifications for Debian Copyright (C) 1997-2007 James Troup.

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 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.

You should have received a copy of the GNU General Public License with
your Debian GNU system, in /usr/share/common-licenses/GPL-3, or with
the Debian GNU ed source package as the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

Manual (ed.info) Copyright (C) 1993, 2006, 2007 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 1.2 or
any later version published by the Free Software Foundation; with no
Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

You should have received a copy of the GNU Free Documentation License
with your Debian GNU system, in /usr/share/common-licenses/GFDL-1.2.
If not, see <http://www.gnu.org/licenses/>.