This is the Debian GNU/Linux prepackaged version of sed - the GNU stream
oriented editor.

This package was assembled from sources obtained from:
   ftp://ftp.gnu.org/gnu/sed-3.02.tar.gz

It is currently maintained by Wichert Akkerman <wakkerma@debian.org>

Change to the upstream release are:
 * added a manpage for sed

GNU sed 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, or (at your option) any later
version.

On Debian GNU/Linux systems you can find a copy of the GPL in
/usr/share/common-licenses/GPL