Francesco Poli <[email protected]> writes: > On Thu, 10 May 2012 11:26:21 +0200 Simon Josefsson wrote: > >> Hi, > > Hi Simon! > >> >> Has this license been evaluated before? RFC 1950-1952 contains: >> >> Copyright (c) 1996 L. Peter Deutsch and Jean-Loup Gailly >> >> Permission is granted to copy and distribute this document for any >> purpose and without charge, including translations into other >> languages and incorporation into compilations, provided that the >> copyright notice and this notice are preserved, and that any >> substantive changes or deletions from the original are clearly >> marked. >> >> A pointer to the latest version of this and related documentation in >> HTML format can be found at the URL >> <ftp://ftp.uu.net/graphics/png/documents/zlib/zdoc-index.html>. >> >> The license initially doesn't give permissions to make modifications, >> although it later require that any changes are clearly marked, which I >> guess can be seen as the intention is to allow modifications. >> >> Is the license DFSG-free? > > To me it's really unclear whether this license really wants to grant > permission to make modifications and redistribute the result.
Thanks for analysis. > Do I understand correctly that the RFC documents you are referring to > are related to the zlib library? Yes. These RFCs are included in the upstream zlib tarball, which is shipped together with some source packages in Debian (i.e., libereoffice and qt4-x11). The zlib source package in Debian does not contain the files though. > I think the copyright holders for these RFC documents should really be > persuaded to re-license them under the terms of the zlib license [1]. > It is always recommendable that the documentation for a program or > library is released under the same licensing terms as the program or > library itself. > > [1] http://www.zlib.net/zlib_license.html > > I hope this re-licensing may happen soon... Me too. /Simon -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
