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A. Legalisms

In general, each file has its own copyright notice stating the copying permissions for that file. Following is a summary.

The Web2c system itself and most of the original WEB source files are public domain.

`tex.web', the MLTeX code, `mf.web', and `bibtex.web', are copyrighted by their authors. They may be copied verbatim, but may be modified only through a `.ch' file.

MetaPost-related files, including `mp.web' itself, are copyrighted under X-like terms; the precise notice is included below.

Finally, almost all of the Kpathsea library is covered by the GNU Library General Public License, but part of one file is covered by the regular GNU General Public License (see section `Introduction' in Kpathsea). Therefore, the binaries resulting from a standard Web2c compilation are also covered by the GPL; so if you (re)distribute the binaries, you must also (offer to) distribute the complete source that went into those binaries. See the files `COPYING' and `COPYING.LIB' for complete details on the GPL and LGPL.

The following notice must be included by the terms of the MetaPost copyright.

Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that the copyright notice and this permission notice and warranty disclaimer appear in supporting documentation, and that the names of AT&T Bell Laboratories or any of its entities not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission.

AT&T disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall AT&T be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software.


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