Mark - thanks for the link to the XSL list, very useful!
From: Encoded Archival Description List [mailto:[log in to unmask]] On Behalf Of Custer, Mark
Sent: Tuesday, April 03, 2012 5:47 PM
To: [log in to unmask]
Subject: Re: duplicate an xml file
...If you get into more complicated uses of XSL, though, I'd definitely recommend checking out the XSL-List, http://www.mulberrytech.com/xsl/xsl-list/. The regulars on that listserv know XSL exceptionally well, and they often come up with very creative and terse solutions...