Todd Ditchendorf wrote:
New in TeXMLMate 1.4: XPath 2.0 Visualization.
http://www.ditchnet.org/texmlmate/
In the new ‘XPath’ tab, execute XPath 2.0 expressions against your front most TextMate document and view the matched nodes. XPath support added via NSXML.
This stuff is pretty slick. Incidentally, send new emails to the list instead of replying to existing threads, so that mail clients don't get confused. ;)