On Wed, 14 Apr 2010 21:30:23 -0700, "Joe User" <joeu2004 wrote:

I was right the first time: Harlan's verion works just fine with explicit
reference unions, too.

It's been years since I used his unmodified version, and I've never checked
that out. And I don't recall what version of Excel I was using when he first
provided that. But that's good to know.
--ron