List, > > https://github.com/lua/lua/blob/af6d9f31165a13c34c0601f37ca5a67c365d1d01/manual/manual.of#L1798 By the way, the "detectable difference" between functions, especially if you mean detectable at runtime without debug tricks and string.dump() (i.e. different extensionally as some would put it), is quite vague and surprisingly hard to decide upon in practice (trust me, I know). Any chance of this being elaborated further? Best regards, -- DoubleF P.S. > Freudian slip? Certainly hope not...