> The row for __cpp_lib_not_fn says the header is <function> which
> should be <functional>

Thanks.

> The row for __cpp_lib_lock_guard_variadic says the header is
> <thread> but lock_guard is defined in <mutex>

OK, thanks again. As it turns out, it was published that way on isocpp.org,
so that's an even more substantive correction, about which we may want to
say something in the rationale.

Clark