From: Ben Bullock on
Ted <r.ted.byers(a)rogers.com> wrote:

> You know, this is precisely how I have conceived of undef working
> since I first read Wall et al. It is good to know I haven't grossly
> misunderstood it all this time.

It is very good to know that you understood everything correctly from
the beginning without anyone having to go to the trouble of explaining
it to you.