Added recognition licenses for sky cultures (#2410)

Added code to recognition the license (or licenses) info in sky cultures and show human readable hints for granted permissions for users. A few sky cultures have an updated license info in info.ini file. Co-authored-by: Georg Zotti <Georg.Zotti@univie.ac.at>
Stellarium · Jun 8, 2022 · 27fb413 · 27fb413
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diff --git a/guide/ch_skycultures.tex b/guide/ch_skycultures.tex
@@ -46,6 +46,7 @@ \section{Basic Information}
 author=me
 boundaries=none
 classification=personal
+license=CC BY-SA 4.0 International Public License
 \end{configfile}
 
 \noindent (or what seems best for you). The name is used for the list entry in
@@ -87,7 +88,51 @@ \section{Basic Information}
     how these differences should be interpreted.
 \end{description}
 
-%The classification may show overlaps. Currently (V0.19.0) it is not displayed or evaluated, but will be used in future versions. 
+\paragraph{license}
+The option ``license'' \newFeature{0.22.2} is technically optional
+(for backward compatibility; it defaults to ``unknown''), but we
+highly recommend to define it for your sky culture, and it is
+mandatory if you want your skyculture to be distributed with
+Stellarium to prevent ``unexpected'' distribution of your content to other
+software out of our hands.  The license info will be decoded for human
+readable hints about allowed permissions for sky culture in the GUI.
+
+We recommend to use one of the following possible licenses in this section: 
+\begin{description}
+  \item[GNU GPL v2.0 (or later)] -- this is the most famous ``copyleft'' license for code and it may be acceptable also for text and data.
+  \item[CC0] (No Rights Reserved) -- this is a ``don't care'' license. Content may be freely distributed without attribution for all purposes. 
+  \item[CC BY] (Creative Commons Attribution License) -- this license lets others distribute, remix, adapt, and build upon your work, even commercially, as long as they credit you for the original creation.
+    This is the most accommodating of licenses offered. Recommended for maximum dissemination and use of licensed materials.
+  \item[CC BY-SA] (Creative Commons Attribution-ShareAlike License) -- this license lets others remix, adapt, and build upon your work even for commercial purposes, as long as they credit you and license their new creations under the identical terms.
+    This license is often compared to ``copyleft'' free and open source software licenses. All new works based on yours will carry the same license, so any derivatives will also allow commercial use.
+    This is the license used by Wikipedia, and is recommended for materials that would benefit from incorporating content from Wikipedia and similarly licensed projects.
+  \item[CC BY-ND] (Creative Commons Attribution-NoDerivatives License) -- this license lets others reuse the work for any purpose, including commercially; however, it cannot be shared with others in adapted form, and credit must be provided to you.
+  \item[CC BY-NC] (Creative Commons Attribution-NonCommercial License) -- this license lets others remix, adapt, and build upon your work non-commercially, and although their new works must also acknowledge you and be non-commercial, they don’t have to license their derivative works on the same terms.
+  \item[CC BY-NC-SA] (Creative Commons Attribution-NonCommercial-ShareAlike License) -- this license lets others remix, adapt, and build upon your work non-commercially, as long as they credit you and license their new creations under the identical terms.
+  \item[CC BY-NC-ND] (Creative Commons Attribution-NonCommercial-NoDerivatives License) -- this license is the most restrictive of the six main Creative Commons licenses, only allowing others to download your works and share them with others as long as they credit you, but they can’t change them in any way or use them commercially.
+  \item[FAL] For illustrations we also expect usage of the \textbf{Free Art License}\footnote{\url{https://artlibre.org/licence/lal/en/}} (in addition to any other licenses) ---
+    it is a ``copyleft'' license that grants the right to freely copy, distribute, and transform creative works. You can specify, e.g., ``GPL2, FAL'' to indicate that the images are additionally released under Free Art License.
+\end{description}
+
+Creative Commons provides a range of licenses\footnote{Creative
+  Commons License Chooser --
+  \url{https://creativecommons.org/choose/}}, each of which grants
+different rights to use the materials licensed under them. All of
+these licenses offer more permissions than ``all rights
+reserved''. Some of Creative Commons are free and some are
+non-free. For example you can apply only the most permissive of its
+licenses (\textbf{CC0}, \textbf{CC BY} and \textbf{CC BY-SA}) to
+material you create, to meets the Freedom Defined definition of a
+``Free Cultural Work''.\footnote{See Creative Commons website to
+  details ---
+  \url{https://creativecommons.org/share-your-work/public-domain/freeworks}}
+
+If you have used one of the keys above in your \texttt{license} entry,
+a short (unofficial!  Informative only) description of license
+conditions will be displayed. You can use other licenses as well, but
+please describe the conditions sufficiently well in a dedicated
+\texttt{h2} section close to the end of your
+\file{description.en.utf8}.
 
 \section{Skyculture Description Files}
 \label{sec:skycultures:description}
@@ -389,7 +434,7 @@ \section{Publish Your Work}
 International\footnote{\url{https://creativecommons.org/licenses/by/4.0/}}
 or CC BY-SA 4.0
 International\footnote{\url{https://creativecommons.org/licenses/by-sa/4.0/}}
-licenses are best suited.
+licenses are best suited. See notes in section~\ref{sec:skycultures:info.ini} above. 
 
 
 %%% Local Variables: 

diff --git a/skycultures/anutan/info.ini b/skycultures/anutan/info.ini
@@ -1,3 +1,4 @@
 [info]
 name = Anutan
 classification = ethnographic
+license = CC BY-SA 4.0 International Public License
diff --git a/skycultures/arabic_al-sufi/description.en.utf8 b/skycultures/arabic_al-sufi/description.en.utf8
@@ -63,9 +63,6 @@
 <p>The translation of star descriptions from Arabic into English was extracted from Ernie Wright website<sup><a href="#footnote-6">[6]</a></sup> which was transcribed from Toomer's translation of the Almagest<sup><a href="#footnote-7">[7]</a></sup>. The translation was modified in a few places to agree with Al-Sufi wording.</p>
 <p>The single source of the sky culture is the Book of Fixed Stars and the objective is to give a faithful representation of the book content.</p>
 
-<h2>Fair Use</h2>
-<p>This sky culture is provided for free under CC BY-ND 4.0 International Public License (share-alike, do not change it without consulting the contributors, and cite the contributors). The author wishes that this work be cited according to the common rules.</p>
-
 <h2>Author</h2>
 <p>This sky culture was compiled and added to Stellarium by Khalid Al-Ajaji: turath.alfalak@gmail.com</p>
 

diff --git a/skycultures/arabic_al-sufi/info.ini b/skycultures/arabic_al-sufi/info.ini
@@ -3,5 +3,5 @@ name = Arabic (Al-Sufi)
 Author = Khalid AlAjaji
 boundaries = None
 source = Book of Fixed stars by Al-Sufi (903-986AD)
-license = CC BY-NC-ND 4.0 International
+license = CC BY-ND 4.0 International Public License
 classification = single
diff --git a/skycultures/arabic_arabian_peninsula/description.en.utf8 b/skycultures/arabic_arabian_peninsula/description.en.utf8
@@ -146,8 +146,6 @@ The Arabian Peninsula is a region covering the south western corner of Asia, bor
 <p>
 Khalid al-Ajaji, turath.alfalak@gmail.com.
 </p>
-<h2 id="license">License</h2>
-<p>Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0).</p>
 <h2 id="notes">Notes</h2>
 <p id="footnote-1">[1]: Al-Hamdânîʼs Geographie der Arabischen Halbinsel, David Heinrich Müller, Leiden : E. J. Brill, 1884, pg. 47.
 <p id="footnote-2">[2]: Le Bon, Gustave, La civilisation des Arabes, Paris, Librairie de Firmin-Didot, 1884, livre premier, pg. 1.

diff --git a/skycultures/arabic_arabian_peninsula/info.ini b/skycultures/arabic_arabian_peninsula/info.ini
@@ -2,5 +2,5 @@
 name = Arabic (Arabian Peninsula)
 Author = Khalid AlAjaji
 boundaries = None
-license = CC BY-NC-ND 4.0 International
+license = CC BY-NC-ND 4.0 International Public License
 classification = traditional
diff --git a/skycultures/arabic_indigenous/description.en.utf8 b/skycultures/arabic_indigenous/description.en.utf8
@@ -31,7 +31,5 @@ Other asterisms are given names according to legends and stories.</p>
 
 <h2 id="author">Author</h2>
 <p>Khalid al-Ajaji: turath.alfalak@gmail.com</p>
-<h2 id="license">License</h2>
-<p>Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0). The author wishes that this work be cited according to the common rules.</p>
 <p id="footnote-1">[1]: Ibn Qutaybah (Arabic ابن قتيبة) (b. 828 d. 884 or 889), Kitab al-Anwā’a (Arabic الأنواء في مواسم العرب), (Arabic print of the original book in 1956 in India Hydarabad al-Dakan), page: يد.</p>
 <p id="footnote-2">[2]: <a href="https://drive.google.com/drive/folders/1s6JXzftwjMQ5rgZoGE3718EtBLBZtjzr?usp=sharing">Book of the Stars: Critical edition with commentary by Khalid al-Ajaji, digital edition</a></p>
diff --git a/skycultures/arabic_indigenous/info.ini b/skycultures/arabic_indigenous/info.ini
@@ -2,5 +2,5 @@
 name = Arabic (Indigenous)
 Author = Khalid AlAjaji
 boundaries = None
-license = CC BY-NC-ND 4.0 International
+license = CC BY-NC-ND 4.0 International Public License
 classification = traditional
diff --git a/skycultures/arabic_lunar_mansions/description.en.utf8 b/skycultures/arabic_lunar_mansions/description.en.utf8
@@ -71,8 +71,6 @@ Mr. Roland Laffitte discussed these two figures and offered a depiction of each
 <h2 id="authors">Authors</h2>
 <p>
 Khalid al-Ajaji with additional documentation of this file by Susanne M Hoffmann.</p>
-<h2 id="license">License</h2>
-<p>Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0).</p>
 
 <h2>Notes</h2>
 <p id="footnote-1">[1]: Kunitzsch P. The Arabs and the Stars, Variorum reprints Northampton 1989, Al-Manazil, Item XX pp 1-7.</p>

diff --git a/skycultures/arabic_lunar_mansions/info.ini b/skycultures/arabic_lunar_mansions/info.ini
@@ -2,5 +2,5 @@
 name = Arabic (Lunar Mansions)
 Author = Khalid AlAjaji
 boundaries = own
-license = CC BY-NC-ND 4.0 International
+license = CC BY-NC-ND 4.0 International Public License
 classification = traditional
diff --git a/skycultures/aztec/info.ini b/skycultures/aztec/info.ini
@@ -2,4 +2,5 @@
 name = Aztec
 author = Enrique Gómez Candelario
 descriptionSource = http://www.wirikuta.org/comala
-classification = historical
+classification = historical
+license = GNU GPL v2.0
diff --git a/skycultures/babylonian_mulapin/description.en.utf8 b/skycultures/babylonian_mulapin/description.en.utf8
@@ -520,9 +520,7 @@ Further publications are in preparation (e.g. together with M. Krebernik for the
 </ul>
 
 <h2>Fair Use</h2>
-<p>This sky culture originates from many years of research by several scholars. 
-We provide this for free but authors of contributions certainly deserve to be cited according to the common rules. 
-This sky culture is provided under CC BY-ND 4.0 International Public Licence (share-alike, do not change it without consulting the contributors, and cite the contributors). Thank you!</p>
+<p>This sky culture originates from many years of research by several scholars. We provide this for free but authors of contributions certainly deserve to be cited according to the common rules. Thank you!</p>
 
 <h2>Thanks to</h2>
 <p>The positioning of the Babylonian terms in the sky and the drawing of the stick figures for Stellarium had been done by Susanne M. Hoffmann. 

diff --git a/skycultures/babylonian_mulapin/info.ini b/skycultures/babylonian_mulapin/info.ini
@@ -3,5 +3,5 @@ name = Babylonian (MUL.APIN)
 author = Susanne M. Hoffmann email:service@urania-uhurae.com
 boundaries = None
 source = MUL.APIN translated by Hermann Hunger+ (both versions: 1989, 2018) plus Susanne M Hoffmann's research on visualization
-license = CC BY-ND 4.0 International
+license = CC BY-ND 4.0 International Public License
 classification = historical
diff --git a/skycultures/babylonian_seleucid/description.en.utf8 b/skycultures/babylonian_seleucid/description.en.utf8
@@ -461,8 +461,6 @@
 <li lang="fr" dir="ltr">Jordi Pàmias and Klaus Geus (2007), Eratosthenes: Sternsagen (Catasterismi), Utopica, Oberhaid.</li>
 <li>many publications on <i>ziqpu</i> star lists by Wayne Horowitz, John M. Steele, E. Weidner, J. Koch, and others are compiled or/and discussed in the above books, especially the one by Hunger and Pingree (1999) which is why we do not list them in detail here.</li>
 </ul>
-<h3>Fair Use</h3>
-<p>This sky culture is provided under CC BY-ND 4.0 (international) licence (noncommercial use only, share-alike, do not change it without consulting the contributors, and please cite the contributors). Thank you!</p>
 
 <h3>Thanks to</h3>
 <p>Thanks to some very enthusiastic planetarium managers for their request and development time in their domes.

diff --git a/skycultures/babylonian_seleucid/info.ini b/skycultures/babylonian_seleucid/info.ini
@@ -2,5 +2,5 @@
 name = Babylonian (Seleucid)
 author = Susanne M. Hoffmann email:service@urania-uhurae.com
 boundaries = None
-license = CC BY-ND 4.0 International
+license = CC BY-ND 4.0 International Public License
 classification = historical
diff --git a/skycultures/belarusian/info.ini b/skycultures/belarusian/info.ini
@@ -1,4 +1,5 @@
 [info]
 name = Belarusian
 author = Tsimafei Avilin
-classification = single
+classification = single
+license = CC BY-SA 4.0 International Public License + Free Art License
diff --git a/skycultures/boorong/info.ini b/skycultures/boorong/info.ini
@@ -2,5 +2,5 @@
 name = Boorong
 author = John Morieson & Alex Cherney
 descriptionSource = http://www.terrastro.com/boorong
-license = GPLv2
+license = GNU GPL v2.0
 classification = ethnographic
diff --git a/skycultures/chinese/info.ini b/skycultures/chinese/info.ini
@@ -2,3 +2,4 @@
 name = Chinese
 boundaries = own
 classification = traditional
+license = CC BY-SA 4.0 International Public License
diff --git a/skycultures/chinese_contemporary/info.ini b/skycultures/chinese_contemporary/info.ini
@@ -2,3 +2,4 @@
 name = Chinese Contemporary
 boundaries = iau
 classification = traditional
+license = CC BY-SA 4.0 International Public License + Free Art License
diff --git a/skycultures/chinese_medieval/description.en.utf8 b/skycultures/chinese_medieval/description.en.utf8
@@ -34,6 +34,7 @@
 <li><a href="https://www.lcsd.gov.hk/CE/Museum/Space/archive/Research/Literature/c_research_literature_9.htm">(Chinese) Song of the Sky Pacers</a></li>
 <li><a href="https://en.wikipedia.org/wiki/Song_of_the_Sky_Pacers">wikipedia - Song of the Sky Pacers</a></li>
 <li><a href="http://wwt.china-vo.org/why/chineseheaven.htm">(Chinese) Chinese Heaven in WWT Community Beijing</a></li>
+</ul>
 
 <h2>Reference</h2>
 <ol>

diff --git a/skycultures/chinese_medieval/info.ini b/skycultures/chinese_medieval/info.ini
@@ -3,3 +3,4 @@ name = Chinese Medieval
 boundaries = own
 author = Sun Shuwei
 classification = historical
+license = CC BY-SA 4.0 International Public License
diff --git a/skycultures/dakota/description.en.utf8 b/skycultures/dakota/description.en.utf8
@@ -59,7 +59,3 @@ planispheres, curriculum, and other resources.</p>
 <p>Constellation Paintings by A. Lee.</p>
 <p>Contact A. Lee at aslee@stcloudstate.edu for more information.</p>
 
-<h2>Licence</h2>
-<p>This SkyCulture is provided under CC BY-NC-ND 4.0 International Public licence. <br/>
-It allows you to use the unadapted work for noncommercial purposes only, and only as long as you give credit to the creator. 
-You may also adapt the work for their own personal use but may not share any adaptations publicly.</p>
diff --git a/skycultures/dakota/info.ini b/skycultures/dakota/info.ini
@@ -2,3 +2,4 @@
 name = Dakota/Lakota/Nakota
 author = Annette S. Lee
 classification = traditional
+license = CC BY-NC-ND 4.0 International Public License
diff --git a/skycultures/egyptian/info.ini b/skycultures/egyptian/info.ini
@@ -1,3 +1,4 @@
 [info]
 name = Egyptian
 classification = historical
+license = GNU GPL v2.0
diff --git a/skycultures/egyptian_dendera/description.en.utf8 b/skycultures/egyptian_dendera/description.en.utf8
@@ -230,8 +230,7 @@ These positions are equal to the "secret places" in Babylonian astrology and the
 </ul>
 
 <h2>Fair Use</h2>
-<p>This sky culture originates from research. We provide this for free but the authors of contributions certainly deserve to be cited according to the common rules. <br />
-This sky culture is provided under CC BY-ND 4.0 International Public Licence (share-alike, do not change it without consulting the contributors, and cite the contributors). Thank you!</p>
+<p>This sky culture originates from research. We provide this for free but the authors of contributions certainly deserve to be cited according to the common rules. Thank you!</p>
 
 <h2>Authors</h2>
 <p>This Greco-Egyptian sky culture was painted and added to Stellarium by:</p>

diff --git a/skycultures/egyptian_dendera/info.ini b/skycultures/egyptian_dendera/info.ini
@@ -3,5 +3,5 @@ name = Egyptian (Dendera)
 author = Susanne M. Hoffmann email:service@urania-uhurae.com
 boundaries = None
 source = own research
-license = CC BY-ND 4.0 International
+license = CC BY-ND 4.0 International Public License
 classification = historical
diff --git a/skycultures/greek_almagest/description.en.utf8 b/skycultures/greek_almagest/description.en.utf8
@@ -495,9 +495,7 @@ the reconstruction (column 6).</p>
 
 <h2>Fair Use</h2>
 <p>This sky culture originates from a student's year of research. We provide this for free but 
-authors of contributions certainly deserve to be cited according to the common rules. This sky 
-culture is provided under CC BY-ND 4.0 International Public Licence (share-alike, do not change 
-it without consulting the contributors, and cite the contributors). Thank you!</p>
+authors of contributions certainly deserve to be cited according to the common rules. Thank you!</p>
 
 <h2>Thanks</h2>
 <p>The authors thank Patrick Gleason and Georg Zotti for English proofreading and interesting discussions.</p>

diff --git a/skycultures/greek_almagest/info.ini b/skycultures/greek_almagest/info.ini
@@ -3,5 +3,5 @@ name = Greek (Almagest)
 author = Lea Jabschinsky, Alina Schmidt, Marie von Seggern, Susanne M. Hoffmann email:service@urania-uhurae.com
 boundaries = None
 source = Ptolemy's Almagest translated by G. Toomer (1984) plus author's own research on visualization
-license = CC BY-ND 4.0 International
+license = CC BY-ND 4.0 International Public License
 classification = single
diff --git a/skycultures/greek_farnese/description.en.utf8 b/skycultures/greek_farnese/description.en.utf8
@@ -297,7 +297,7 @@
 	<li>Toomer, G. J.: Ptolemy's Almagest, Duckworth, London, 1984</li>
 </ul>
 <h2>Fair Use</h2>
-<p>We provide this sky culture free of charge, but the authors deserve to be cited according to the usual rules. This sky culture is provided under CC BY-ND 4.0 International Public Licence (cite, share under equal terms, do not modify without consulting the authors). Thank you!</p>
+<p>We provide this sky culture free of charge, but the authors deserve to be cited according to the usual rules. Thank you!</p>
 
 <h2>Author</h2>
 <p>This sky culture was contributed to Stellarium by Susanne M. Hoffmann (service@uhura-uraniae.com).</p>

diff --git a/skycultures/greek_farnese/info.ini b/skycultures/greek_farnese/info.ini
@@ -3,5 +3,5 @@ name = Greek (Farnese + Almagest)
 author = Susanne M. Hoffmann email:service@urania-uhurae.com
 boundaries = None
 source = Globus of Atlas Farnese (Naples)
-license = CC BY-ND 4.0 International
+license = CC BY-ND 4.0 International Public License
 classification = comparative
diff --git a/skycultures/greek_leidenAratea/description.en.utf8 b/skycultures/greek_leidenAratea/description.en.utf8
@@ -286,7 +286,7 @@ Both, the Almagest and the poem, are written in Greek originally but the Leiden
 	<li>Toomer, G. J.: Ptolemy's Almagest, Duckworth, London, 1984</li>
 </ul>
 <h2>Fair Use</h2>
-<p>We provide this sky culture free of charge, but the authors deserve to be cited according to the usual rules. This sky culture is provided under CC BY-ND 4.0 International Public Licence (cite, share under equal terms, do not modify without consulting the authors). Thank you!</p>
+<p>We provide this sky culture free of charge, but the authors deserve to be cited according to the usual rules. Thank you!</p>
 
 <h2>Author</h2>
 <p>This sky culture was added to Stellarium by Susanne M. Hoffmann (service@uhura-uraniae.com) and originally created in collaboration with Prof. Dr. Dieter Blume (Art History, FSU Jena, Germany) for Planetarium Jena.</p>

diff --git a/skycultures/greek_leidenAratea/info.ini b/skycultures/greek_leidenAratea/info.ini
@@ -3,5 +3,5 @@ name = Greek (Leiden Aratea + Almagest)
 author = Susanne M. Hoffmann email:service@urania-uhurae.com
 boundaries = None
 source = Manuscript (Leiden)
-license = CC BY-ND 4.0 International
+license = CC BY-ND 4.0 International Public License
 classification = comparative
diff --git a/skycultures/hawaiian_starlines/info.ini b/skycultures/hawaiian_starlines/info.ini
@@ -2,3 +2,4 @@
 name = Hawaiian Starlines
 author = Darren Kamalu
 classification = traditional
+license = CC BY-SA 4.0 International Public License
diff --git a/skycultures/indian/info.ini b/skycultures/indian/info.ini
@@ -3,3 +3,4 @@ name = Indian Vedic
 author = Tanmoy Saha, groups.google.com/forum/#!forum/sanskrit-programmers (esp Vishvas Vasuki)
 descriptionSource = ?
 classification = traditional
+license = CC BY-SA 4.0 International Public License
diff --git a/skycultures/inuit/description.en.utf8 b/skycultures/inuit/description.en.utf8
@@ -31,6 +31,6 @@
 <h2>Authors</h2>
 <p>This sky culture was contributed by <i>Karrie Berglund</i> of Digitalis Education Solutions, Inc. based primarily on the book <b>The Arctic Sky: Inuit Astronomy, Star Lore and Legend</b> by John MacDonald.</p>
 
-<p>Illustrations are done by Johan Meuris, released under the Free Art License.</p>
+<p>Illustrations are done by Johan Meuris.</p>
 
 
diff --git a/skycultures/inuit/info.ini b/skycultures/inuit/info.ini
@@ -1,3 +1,4 @@
 [info]
 name = Inuit
 classification = ethnographic
+license = GNU GPL v2.0 + Free Art License
diff --git a/skycultures/japanese_moon_stations/info.ini b/skycultures/japanese_moon_stations/info.ini
@@ -2,3 +2,4 @@
 name = Japanese Moon Stations
 author = Alexander Wolf
 classification = historical
+license = CC BY-SA 4.0 International Public License
diff --git a/skycultures/kamilaroi/info.ini b/skycultures/kamilaroi/info.ini
@@ -3,3 +3,4 @@ name = Kamilaroi/Euahlayi
 author = Robert S. Fuller and Ghillar Michael Anderson
 descriptionSource = Skyculture artwork © Ghillar Michael Anderson 2014. Stories in Description are the IP (Intellectual Property) of Ghillar Michael Anderson
 classification = ethnographic
+license = CC BY-NC-ND 4.0 International Public License
diff --git a/skycultures/khoi-san/description.en.utf8 b/skycultures/khoi-san/description.en.utf8
@@ -15,7 +15,3 @@ Another Khoikhoi legend tells of some &#8220;great celestial beast&#8221; with t
 They were modified using inputs and information from Themba Matomela, Thembela Mantungwa and Mdumiseni Nxumalo. The project was initiated by 
 Sivuyile Manxoyi after having discussions with Prof Jarita Holbrook and Prof Kevin Snedegar on African Cultural astronomy.</p>
 
-<h2>Licence</h2> 
-<p>This sky culture is provided under CC BY-ND 4.0 International Public Licence (you can use it for any commercial and noncommercial 
-purpose but credit the authors and do not change it. Thanks!).<br/>
-Please credit the <a href="https://cfah.org.za">Centre for Astronomical Heritage (CfAH)</a>.</p>
diff --git a/skycultures/khoi-san/info.ini b/skycultures/khoi-san/info.ini
@@ -1,3 +1,5 @@
 [info]
 name = Khoikhoi and San
 classification = ethnographic
+license = CC BY-ND 4.0 International Public License
+credit = Centre for Astronomical Heritage (CfAH)