local function j(j)local Z=j.index local h=j.source:byte(Z,Z)j.index=Z+1 return h end
-- byte stm_byte(Stream S)
-- @S - Stream object to read from
local function stm_byte(S)
	local idx = S.index
	local bt = S.source:byte(idx, idx)

	S.index = idx + 1
	return bt
end
