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	<id>https://nethackwiki.com/index.php?action=history&amp;feed=atom&amp;title=Source%3ANetHack_3.4.3%2Fdat%2Flicense</id>
	<title>Source:NetHack 3.4.3/dat/license - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://nethackwiki.com/index.php?action=history&amp;feed=atom&amp;title=Source%3ANetHack_3.4.3%2Fdat%2Flicense"/>
	<link rel="alternate" type="text/html" href="https://nethackwiki.com/index.php?title=Source:NetHack_3.4.3/dat/license&amp;action=history"/>
	<updated>2026-08-02T14:02:03Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.43.9</generator>
	<entry>
		<id>https://nethackwiki.com/index.php?title=Source:NetHack_3.4.3/dat/license&amp;diff=174884&amp;oldid=prev</id>
		<title>Furey: Remove {{nethack-343}} tag from source code article.</title>
		<link rel="alternate" type="text/html" href="https://nethackwiki.com/index.php?title=Source:NetHack_3.4.3/dat/license&amp;diff=174884&amp;oldid=prev"/>
		<updated>2024-07-07T18:58:05Z</updated>

		<summary type="html">&lt;p&gt;Remove {{nethack-343}} tag from source code article.&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 18:58, 7 July 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l99&quot;&gt;Line 99:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 99:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:NGPL]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:NGPL]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:source code]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:source code]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{nethack-343}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Furey</name></author>
	</entry>
	<entry>
		<id>https://nethackwiki.com/index.php?title=Source:NetHack_3.4.3/dat/license&amp;diff=64387&amp;oldid=prev</id>
		<title>Paxedbot: moved Source:License to Source:NetHack 3.4.3/dat/license: Moving src to subdirs</title>
		<link rel="alternate" type="text/html" href="https://nethackwiki.com/index.php?title=Source:NetHack_3.4.3/dat/license&amp;diff=64387&amp;oldid=prev"/>
		<updated>2011-01-31T19:14:51Z</updated>

		<summary type="html">&lt;p&gt;moved &lt;a href=&quot;/wiki/Source:License&quot; class=&quot;mw-redirect&quot; title=&quot;Source:License&quot;&gt;Source:License&lt;/a&gt; to &lt;a href=&quot;/wiki/Source:NetHack_3.4.3/dat/license&quot; title=&quot;Source:NetHack 3.4.3/dat/license&quot;&gt;Source:NetHack 3.4.3/dat/license&lt;/a&gt;: Moving src to subdirs&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 19:14, 31 January 2011&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Paxedbot</name></author>
	</entry>
	<entry>
		<id>https://nethackwiki.com/index.php?title=Source:NetHack_3.4.3/dat/license&amp;diff=60255&amp;oldid=prev</id>
		<title>Paxed: wrong filename...</title>
		<link rel="alternate" type="text/html" href="https://nethackwiki.com/index.php?title=Source:NetHack_3.4.3/dat/license&amp;diff=60255&amp;oldid=prev"/>
		<updated>2010-11-28T10:13:12Z</updated>

		<summary type="html">&lt;p&gt;wrong filename...&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 10:13, 28 November 2010&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Below is the full text to dat/&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;hh &lt;/del&gt;from NetHack 3.4.3.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Below is the full text to dat/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;license &lt;/ins&gt;from NetHack 3.4.3.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;pre&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;pre&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;                     NETHACK GENERAL PUBLIC LICENSE&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;                     NETHACK GENERAL PUBLIC LICENSE&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Paxed</name></author>
	</entry>
	<entry>
		<id>https://nethackwiki.com/index.php?title=Source:NetHack_3.4.3/dat/license&amp;diff=60249&amp;oldid=prev</id>
		<title>Paxed: dat/license</title>
		<link rel="alternate" type="text/html" href="https://nethackwiki.com/index.php?title=Source:NetHack_3.4.3/dat/license&amp;diff=60249&amp;oldid=prev"/>
		<updated>2010-11-28T10:08:36Z</updated>

		<summary type="html">&lt;p&gt;dat/license&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Below is the full text to dat/hh from NetHack 3.4.3.&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
                    NETHACK GENERAL PUBLIC LICENSE&lt;br /&gt;
                    (Copyright 1989 M. Stephenson)&lt;br /&gt;
&lt;br /&gt;
               (Based on the BISON general public license,&lt;br /&gt;
                   copyright 1988 Richard M. Stallman)&lt;br /&gt;
&lt;br /&gt;
 Everyone is permitted to copy and distribute verbatim copies of this&lt;br /&gt;
 license, but changing it is not allowed.  You can also use this wording to&lt;br /&gt;
 make the terms for other programs.&lt;br /&gt;
&lt;br /&gt;
  The license agreements of most software companies keep you at the mercy of&lt;br /&gt;
those companies.  By contrast, our general public license is intended to give&lt;br /&gt;
everyone the right to share NetHack.  To make sure that you get the rights we&lt;br /&gt;
want you to have, we need to make restrictions that forbid anyone to deny you&lt;br /&gt;
these rights or to ask you to surrender the rights.  Hence this license&lt;br /&gt;
agreement.&lt;br /&gt;
&lt;br /&gt;
  Specifically, we want to make sure that you have the right to give away&lt;br /&gt;
copies of NetHack, that you receive source code or else can get it if you&lt;br /&gt;
want it, that you can change NetHack or use pieces of it in new free&lt;br /&gt;
programs, and that you know you can do these things.&lt;br /&gt;
&lt;br /&gt;
  To make sure that everyone has such rights, we have to forbid you to&lt;br /&gt;
deprive anyone else of these rights.  For example, if you distribute copies&lt;br /&gt;
of NetHack, you must give the recipients all the rights that you have.  You&lt;br /&gt;
must make sure that they, too, receive or can get the source code.  And you&lt;br /&gt;
must tell them their rights.&lt;br /&gt;
&lt;br /&gt;
  Also, for our own protection, we must make certain that everyone finds out&lt;br /&gt;
that there is no warranty for NetHack.  If NetHack is modified by someone&lt;br /&gt;
else and passed on, we want its recipients to know that what they have is&lt;br /&gt;
not what we distributed.&lt;br /&gt;
&lt;br /&gt;
  Therefore we (Mike Stephenson and other holders of NetHack copyrights) make&lt;br /&gt;
the following terms which say what you must do to be allowed to distribute or&lt;br /&gt;
change NetHack.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
                        COPYING POLICIES&lt;br /&gt;
&lt;br /&gt;
  1. You may copy and distribute verbatim copies of NetHack source code as&lt;br /&gt;
you receive it, in any medium, provided that you keep intact the notices on&lt;br /&gt;
all files that refer to copyrights, to this License Agreement, and to the&lt;br /&gt;
absence of any warranty; and give any other recipients of the NetHack&lt;br /&gt;
program a copy of this License Agreement along with the program.&lt;br /&gt;
&lt;br /&gt;
  2. You may modify your copy or copies of NetHack or any portion of it, and&lt;br /&gt;
copy and distribute such modifications under the terms of Paragraph 1 above&lt;br /&gt;
(including distributing this License Agreement), provided that you also do the&lt;br /&gt;
following:&lt;br /&gt;
&lt;br /&gt;
    a) cause the modified files to carry prominent notices stating that you&lt;br /&gt;
    changed the files and the date of any change; and&lt;br /&gt;
&lt;br /&gt;
    b) cause the whole of any work that you distribute or publish, that in&lt;br /&gt;
    whole or in part contains or is a derivative of NetHack or any part&lt;br /&gt;
    thereof, to be licensed at no charge to all third parties on terms&lt;br /&gt;
    identical to those contained in this License Agreement (except that you&lt;br /&gt;
    may choose to grant more extensive warranty protection to some or all&lt;br /&gt;
    third parties, at your option)&lt;br /&gt;
&lt;br /&gt;
    c) You may charge a distribution fee for the physical act of&lt;br /&gt;
    transferring a copy, and you may at your option offer warranty protection&lt;br /&gt;
    in exchange for a fee.&lt;br /&gt;
&lt;br /&gt;
  3. You may copy and distribute NetHack (or a portion or derivative of it,&lt;br /&gt;
under Paragraph 2) in object code or executable form under the terms of&lt;br /&gt;
Paragraphs 1 and 2 above provided that you also do one of the following:&lt;br /&gt;
&lt;br /&gt;
    a) accompany it with the complete machine-readable source code, which&lt;br /&gt;
    must be distributed under the terms of Paragraphs 1 and 2 above; or,&lt;br /&gt;
&lt;br /&gt;
    b) accompany it with full information as to how to obtain the complete&lt;br /&gt;
    machine-readable source code from an appropriate archive site.  (This&lt;br /&gt;
    alternative is allowed only for noncommercial distribution.)&lt;br /&gt;
&lt;br /&gt;
For these purposes, complete source code means either the full source&lt;br /&gt;
distribution as originally released over Usenet or updated copies of the&lt;br /&gt;
files in this distribution used to create the object code or executable.&lt;br /&gt;
&lt;br /&gt;
  4. You may not copy, sublicense, distribute or transfer NetHack except as&lt;br /&gt;
expressly provided under this License Agreement.  Any attempt otherwise to&lt;br /&gt;
copy, sublicense, distribute or transfer NetHack is void and your rights to&lt;br /&gt;
use the program under this License agreement shall be automatically&lt;br /&gt;
terminated.  However, parties who have received computer software programs&lt;br /&gt;
from you with this License Agreement will not have their licenses terminated&lt;br /&gt;
so long as such parties remain in full compliance.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Stated plainly:  You are permitted to modify NetHack, or otherwise use parts&lt;br /&gt;
of NetHack, provided that you comply with the conditions specified above;&lt;br /&gt;
in particular, your modified NetHack or program containing parts of NetHack&lt;br /&gt;
must remain freely available as provided in this License Agreement.  In&lt;br /&gt;
other words, go ahead and share NetHack, but don&amp;#039;t try to stop anyone else&lt;br /&gt;
from sharing it farther.&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
[[Category:NGPL]]&lt;br /&gt;
[[Category:source code]]&lt;br /&gt;
{{nethack-343}}&lt;/div&gt;</summary>
		<author><name>Paxed</name></author>
	</entry>
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