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Bug#122929: wpoison, is it okay?

Antti-Juhani Kaijanaho <gaia@iki.fi> writes:

> On 20011216T112830-0800, Thomas Bushnell, BSG wrote:
> > Um, no, TeX has a perfectly clear license.
> Would you please give a reference to it?

>From tex.web:

% 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.

Note that number (2) there permits distribution of patched versions,
provided you use the special WEB mechanism for patches.

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