Installed sources are based on Lua-5.3.4

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FILES:
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README		# this file
lua/
	"mk install"  will create:
	/usr/local/bin/$objtype/lua
	/usr/local/bin/$objtype/luac
	the package path includes:
	/usr/local/lib/lua/5.3
9lua/	# lua with plan9 extension
	"mk install"  will create:
	/usr/local/bin/$objtype/9lua
	/usr/local/bin/$objtype/9luac
	the package path includes:
	/usr/local/lib/lua/5.3
lib/	# lua lib for that appls

to install just execute install
then lua, 9lua and their libraries will be installed.