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That Technical Notes document doesn't look like it was updated for Lua 5.1.

--
Martins

On 5/18/07, Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br> wrote:
> We are try to shrink lua and luac to the minimum size possible in order
> to make it run in less than 30k of ram and to make it fit in less than
> 60k of rom.

I don't know about running Lua with only 30K of RAM, but for a small
Lua engine try min.c and noparser.c in the etc directory in the
source distribution. These files implement the ideas described in
http://www.lua.org/notes/ltn002.html (updated for Lua 5.1). Under Linux,
I get a 40K Lua engine by removing all libraries and the parser modules.
--lhf