[CAUT] back check height and searching archives

[Ron Nossaman]

> Alan
> 
> Thanks for the links to the archives. I found the posts I was looking 
> for. I knew someone had written about back check heights some time 
> ago, and lo and behold, it was me, about 2 and a half years ago.
> 
> Wim

Always makin' new friends, eh Wim?

<G>
Whatzisname