// Pack a Lua value
PackedValue *script_pack(lua_State *L, int idx);
// Unpack a Lua value (left on top of stack)
-// Note that this may modify the PackedValue, you can't reuse it!
+// Note that this may modify the PackedValue, reusability is not guaranteed!
void script_unpack(lua_State *L, PackedValue *val);
// Dump contents of PackedValue to stdout for debugging