[ODE] visibility detemination?

[Gary R. Van Sickle]

> (oh goody, reply-all would send _me_ a copy ;)
>
> Note that I tend to type 'frustrum' rather than 'frustum' - it's burned into
> my brain like that ...
> --
> gl
>

OH MY GOD!  I THOUGHT I WAS THE ONLY ONE!!!  I've been using "frustrum" for
DECADES, and only noticed that it's really "frustum" a few MONTHS ago!  I'm with
you though, I like the extra "r" regardless.

--
Gary R. Van Sickle
Brewer.  Patriot.