@@ -40,14 +40,15 @@ John Sullivan
The copyright holders of this part hereby grant the freedom to copy, modify,
convey, Adapt, and/or redistribute this work under the terms of the Creative
Commons Attribution Share Alike 4.0 International License. A copy of that
license is available at
\verb=https://creativecommons.org/licenses/by-sa/4.0/legalcode=. }
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This part of the tutorial gives a comprehensive explanation of the most
popular Free Software copyright license, the GNU General Public License (GNU
GPL) -- both version 2 and version 3 -- and teaches lawyers, software
developers, managers and business people how to use the GPL (and GPL'd
software) successfully in a new Free Software business and in existing,