[debian-devel:03860] Re: TeX's Copyright (Re: upload: web, web2c, ptex-base, ptex-bin, jbibtex-base, jbibtex-bin)

[nakahara@xxxxxxxxxxxxxxxxxxxxx]

中原です。

変なものにフォロウしてますが。

 > From: Hiroshi KISE <kise@xxxxxxxxxxxx>

 > kise> TeXのCopyrightはどこに書いてあるんでしょう?

tex.web には次のように書いてあります。

% This program is copyright (C) 1982 by D. E. Knuth; all rights are reserved.
% Copying of this file is authorized only if (1) you are D. E. Knuth, or if
% (2) you make absolutely no changes to your copy. (The WEB system provides
% for alterations via an auxiliary file; the master file should stay intact.)
% See Appendix H of the WEB manual for hints on how to install this program.
% And see Appendix A of the TRIP manual for details about how to validate it.

% TeX is a trademark of the American Mathematical Society.
% METAFONT is a trademark of Addison-Wesley Publishing Company.

% Version 0 was released in September 1982 after it passed a variety of tests.

また、TEX: The Program (Addison Wesley, ISBN 0-201-13437-3) には

TeX is a trademark of the American Mathematical Society.

METAFONT is a trademark of Addison-Wesley Publishing Company.

に続いて、

The program for TEX is in the public domain, and readers may freely
incorporate the algorithms of this book into their own programs.
However, use of the name TEX is restricted to software system that
agree exactly with the program here.

と書いてあります。

 > “TeX Frequently Asked Questions”の
 > http://www.cogs.susx.ac.uk/cgi-bin/texfaq2html?keyword=&question=12
 > “If TeX is so good, how come it's free?”をみつけました。
 > 
 > で、この場合は、作ったパッケージはGPLにしちゃっていいのでしょうか?
 > 最初の段落はこうなっています。

TeX 自体は GPL ではないと思います。tex.ch による改変を許しているので
DFSG 的には大丈だと思います。

-- 
中原 早生
広島大学総合科学部 
nakahara@xxxxxxxxxxxxxxxxxxxxx