Extracted from doc/readme.html
--- /dev/null	2020-07-04 07:25:57.571395009 +0200
+++ ./LICENSE	2020-07-06 09:04:21.283567870 +0200
@@ -0,0 +1,28 @@
+Lua is free software distributed under the terms of the MIT license
+reproduced below; it may be used for any purpose, including commercial
+purposes, at absolutely no cost without having to ask us. The only
+requirement is that if you do use Lua, then you should give us credit
+by including the appropriate copyright notice somewhere in your
+product or its documentation.
+
+Copyright © 1994–2012 Lua.org, PUC-Rio.
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use, copy,
+modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.