function luaK.nilK(H,F)local T,C={},{}H:setnilvalue(C)H:sethvalue(T,F.h)return H:addk(F,T,C)end
------------------------------------------------------------------------
-- creates and sets a nil object
-- * used only in luaK:exp2RK()
------------------------------------------------------------------------
function luaK:nilK(fs)
	local k, v = {}, {} -- TValue
	self:setnilvalue(v)
	-- cannot use nil as key; instead use table itself to represent nil
	self:sethvalue(k, fs.h)
	return self:addk(fs, k, v)
end
