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> In the NEWTABLE opcode, the field B and C,which is the array and hash size
> of the table,respectively,use the so-called "floating point byte" with
> unsigned int.
> I guess the "floating point byte" can support more data range than the raw
> unsigned int, is it right?

It can support a range larger than unsigned int, although the
functions that Lua use to support it cannot. Its purpose
is to pack such range into a single byte.

-- Roberto