This package was debianized by the Swift project , with help from Olly Betts . The upstream sources were obtained from http://swift.im. Copyright (C) 2010-2019 Isode Limited. Licensed under the GNU General Public License. See /usr/share/common-licenses/GPL-3 for the full license. This software is subject to the OpenSSL license exception. Additional permission under GNU GPL version 3 section 7 If you modify this Program, or any covered work, by linking or combining it with the OpenSSL library (or a modified version of that library), containing parts covered by the terms of the OpenSSL License, the licensors of this Program grant you additional permission to convey the resulting work.