Historical Permission Notice and Disclaimer
{{Infobox software license
|author = Bruce A. Dodson{{cite mailing list|url=http://crynwr.com/cgi-bin/ezmlm-cgi?3:mss:6305:jggiiehpeekebdbmpopm|title=discuss: approval request: "Historical Permission Notice and Disclaimer"|mailing-list=license-discuss|date=29 November 2002|first=Bruce|last=Dodson|archive-url=https://web.archive.org/web/20160307161541/http://crynwr.com/cgi-bin/ezmlm-cgi?3:mss:6305:jggiiehpeekebdbmpopm|archive-date=7 March 2016}}
|copyright = Bruce A. Dodson
|date = 9 November 2002
|OSI approved = Yes
|linking = Yes
|website = {{webarchive|url=https://web.archive.org/web/20230129154903/https://opensource.org/licenses/HPND|date=January 29, 2023|title=https://opensource.org/licenses/HPND|nolink=y}}
}}
The Historical Permission Notice and Disclaimer (HPND) is an open source license, approved by the Open Source Initiative (OSI) and verified as GPL-compatible by the Free Software Foundation.
Characteristics
It is unique among the OSI's licenses because of the choices it allows in its construction.
It lets the licensor pick anywhere from 0-2 warranty disclaimers, whether they want to prohibit the author's name from being used in publicity or advertising surrounding a distribution (like in the BSD License), and other spelling and grammar options.
Besides this, the license can be almost functionally identical to the new, 3-clause BSD License (if the option for the no-promotion clause is exercised), or the MIT License (if the option for the no-promotion clause is not exercised).
Variants of this license are in use primarily in older software, including the original BSD kernel. Today,{{when|date=May 2015}} it is most popular to choose either the new 3-clause BSD License or the MIT License to meet the licensing needs of the developer.
This is the only OSI-certified license (excluding the public domain) that can lack a disclaimer of warranty.
The license was deprecated by its author, Bruce A. Dodson, prior to 24 September 2009.{{cite web | title=Legacy approval request | website=BSD license (PostgreSQL variant) | date=2009-09-24 | url=https://lists.opensource.org/pipermail/license-review_lists.opensource.org/2009-September/000876.html | access-date=2023-08-10}}
References
{{reflist|2}}
External links
- [https://web.archive.org/web/20091025115245/http://geocities.com/brucedodson.rm/hist_pnd.htm Original publication of the license]
- [https://opensource.org/license/historical-php/ Text of the license on the Open Source Initiative website]
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