% This is jstex.ch, a WEB change file code extending e-TeX,
% to be applied to etex.web in order to define the jsTeX program.

% jsTeX is copyright (C) 2021 by Jim Fowler.

% e-TeX is copyright (C) 1999-2012 by P. Breitenlohner (1994,98 by the NTS
% team); all rights are reserved. Copying of this file is authorized only if
% (1) you are P. Breitenlohner, or if (2) you make absolutely no changes to
% your copy. (Programs such as TIE allow the application of several change
% files to tex.web; the master files tex.web and etex.ch should stay intact.)

% The TeX program is copyright (C) 1982 by D. E. Knuth.
% TeX is a trademark of the American Mathematical Society.
% e-TeX and NTS are trademarks of the NTS group.

@x limbo l.1 - this is jsTeX
% e-TeX is copyright (C) 1999-2012 by P. Breitenlohner (1994,98 by the NTS
% team); all rights are reserved. Copying of this file is authorized only if
% (1) you are P. Breitenlohner, or if (2) you make absolutely no changes to
% your copy. (Programs such as TIE allow the application of several change
% files to tex.web; the master files tex.web and etex.ch should stay intact.)

% See etex_gen.tex for hints on how to install this program.
% And see etripman.tex for details about how to validate it.
@y
% jsTeX is copyright (C) 2021 by Jim Fowler; all rights are reserved.
% Copying of this file is authorized only if (1) you are Jim Fowler,
% or if (2) you make absolutely no changes to your copy. (Programs
% such as TIE allow the application of several change files to
% tex.web; master files tex.web, etex.ch, and jstex.ch should stay
% intact.)

% Code for primitives like \strcmp was taken from the XeTeX
% typesetting system, which is

% Copyright (c) 1994-2008 by SIL International
% Copyright (c) 2009-2012 by Jonathan Kew
% Copyright (c) 2010-2012 by Han Han The Thanh
% Copyright (c) 2012-2013 by Khaled Hosny

% Permission is hereby granted, free of charge, to any person obtaining a copy
% of this software and associated documentation files (the "Software"), to deal
% in the Software without restriction, including without limitation the rights
% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
% copies of the Software, and to permit persons to whom the Software is
% furnished to do so, subject to the following conditions:

% The above copyright notice and this permission notice shall be included in all
% copies or substantial portions of the Software.

% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
% COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
% IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
% CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

% Except as contained in this notice, the name of the copyright holders shall
% not be used in advertising or otherwise to promote the sale, use or other
% dealings in this Software without prior written authorization from the
% copyright holders.
@z

@x
% This program is directly derived from Donald E. Knuth's TeX;
@y
% This program is indirectly derived from Knuth's TeX via e-TeX.
@z