On Sat, Jan 22, 2011 at 11:13 AM, Michal Kottman <k0mpjut0r@gmail.com> wrote: > You can find a short answer here: http://www.luafaq.org/#T1.26 Although it's not the whole story, and should be updated. The best answer is by Roberto, quoted by David Manura in this post: http://lua-users.org/lists/lua-l/2010-11/msg00479.html steve d.