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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
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<TITLE>XmHTML Legal Issues, Distribution and Licensing</TITLE>
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<META HTTP-EQUIV="Description" CONTENT="This document describes
the legal issues involved with using XmHTML">
<META NAME="Author" CONTENT="Koen D'Hondt">
<META NAME="Copyright" content="1995-1997 by Ripley Software Development">
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<h1>Introduction</h1>
This document discusses the legal issues involved with using XmHTML in
any program, but is mainly intended for those who want to use XmHTML in
a <a href="#commercial">commercial</a> program.
<p>
If you intend to use XmHTML with a program which will be distributed under
the <a href="GPL.html">GPL</a> or combine XmHTML into a library distributed
under the <a href="LGPL.html">LGPL</a>, you can skip this document entirely.
<p><IMG SRC="../Images/wood/bar.gif" width=508 height=15><p>
<h1><a name="top">Licensing and Distribution</a></h1>
XmHTML is distributed and licensed under the
<a href="LGPL.html">Library GNU Public License (LGPL)</a>.
This license is intended to guarantee your freedom to share and change
free software--to make sure the software is free for all its users.
<p>
The LGPL distinguishes two different uses of a library, each of which
is described in the following paragraphs.
<p>
<h3>A work based on the library</h3>
Simply said, this means that you have modified a copy of the library
(or any portion of it), or use parts of the library in a program.
The resulting library must be distributed and licensed under the same
terms, while the resulting program may opt to use the
<a href="GPL.html">GNU Public License</a> instead.
<p>
A work based on the library may never become commercialized.
<p>
See <a href="LGPL.html#section2">section 2</a> and
<a href="LGPL.html#section3">3</a> in the <a href="LGPL.html">LGPL</a> for
more details.
<h3>A work that uses the library</h3>
This means: you have written a program the uses the library.
(using header files from the library does not make it a work based
on the library, header files are public interfaces and as such may
be used without further consent).
<p>
Such a program may be distributed under any license you choose,
and thus XmHTML can also be used in commercial programs.
See the next section for more details on using XmHTML in commercial
programs.
See <a href="LGPL.html#section5">section 5</a> and
<a href="LGPL.html#section6">6</a> in the <a href="LGPL.html">LGPL</a> for
more details.
<p><a name="policy"><IMG SRC="../Images/wood/bar.gif" width=508 height=15></a><p>
<h1><a name="commercial">Use of XmHTML in commercial programs</a></h1>
<a href="LGPL.html#section6">Section 6</a> in the LGPL clearly states the
requirements to any commercial program using XmHTML. It is mostly intended
to allow users to upgrade and/or modify the library without depending on
the vendor of such a program.
<p>
If you find it very hard to comply with the requirements stated in section
6, you can obtain XmHTML under a different license which will allow full
commercial use without any restrictions. This license does not exist yet
but it will be a one-time source license with no run-time fees associated
with it.
<p>
This license however will come with a pricetag attached to it. Please
<a href="mailto:ripley@xs4all.nl">contact us</a> if you want to know more about
this.
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©Copyright 1996-1997 by Ripley Software Development<br>
Last update: September 19, 1997 by Koen
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