From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ricardo Wurmus Subject: Re: base64: Restore original license header (license compliance issue) Date: Sat, 27 Aug 2016 09:55:00 +0200 Message-ID: <87inumodd7.fsf@elephly.net> References: <87eg5b8et9.fsf@dustycloud.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:44883) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bdYSN-0000nB-WE for guix-devel@gnu.org; Sat, 27 Aug 2016 03:55:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bdYSK-0004Iy-RR for guix-devel@gnu.org; Sat, 27 Aug 2016 03:55:12 -0400 Received: from sender163-mail.zoho.com ([74.201.84.163]:24227) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bdYSK-0004HI-JO for guix-devel@gnu.org; Sat, 27 Aug 2016 03:55:08 -0400 In-reply-to: <87eg5b8et9.fsf@dustycloud.org> List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: Christopher Allan Webber Cc: guix-devel Christopher Allan Webber writes: > When incorporating a copyleft licensed program with a lax licensed program, > it is correct to preserve the original license notice. See also: > https://www.softwarefreedom.org/resources/2007/gpl-non-gpl-collaboration.html > > base64.scm did not do this. This is important, because it is part of > the license that the copyright header be preserved, so we must do this > to comply correctly. > > (This is a common confusion: adding a stronger copyleft does not > "relicense" the original work.) Thank you for this patch. I’m not familiar with these licensing details but what you write looks plausible to me. ~~ Ricardo