With the new functionality that etabeta added today, couldn't one let's say pcecd create the list in such away that, if one need cd-rom system 1 the chd that needed it becomes a clone of that same with cdsys2 and cdsys3

thus it would look like this:
<software name="cfii" cloneof="cdsys">
	<description>Cosmic Fantasies 2 (JPN)</description>