> Take a close look at your XML: there is no @lastUpdate. Only
> a lastUpdate.

'doh! I'm an idiot. ;o)

> To get sorts right, I often employ a very simple and handy
> trick: use xsl:copy-of with the exact statement as in the
> xsl:sort, on the same location (just under the sort) in the
> XSLT. That way, it is easy enough to see that you select nothingness.

Good tip. Thanks, Abel!

-Darrel