Gah, not that simple...  This changeset won't work - I'm looking further.

julian at beta4.com wrote:
> from preamble:
> 
> "Change Set:		SystemOrganizer-remove-empty-category-fix-jf
> Date:			1 August 2003
> Author:			Julian Fitzell
> 
> When you remove a category in in the Browser, SystemOrganizer removes
> all empty categories for you.  Surely this isn't the correct behaviour? 
> Can't believe I've never noticed this before..."!
> 
> 
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