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2012/1/20 Pierre-Yves Gérardy <pygy79@gmail.com>:
> local function safe_loadstring (s,chunkname)
>   if s:match"^%.Lua" then
>     return false, "Attempt to load bytecode." -- are there other
> bytecode signatures?

That check won't detect bytecode. You'd probably be better with "if
s:byte() == 27 then".