^node.selectSingle[XPath-query]
This method returns node found in the scope of specified node and satisfying specified XPath-query. If no node was found, void is returned. If more than one node is returned exception is thrown.
Before using prefixes of name spaces in the query one must define them, see $xdoc.search-namespaces.
Example $d[^xdoc::create{<?xml version="1.0" encoding="windows-1251" ?>
<t attr="hello" n="123"/>}]
# result=1 element "t"
$element[^d.selectSingle[t]]
# result=2 (number of attributes <t>)
Number of attributes: ^element.attributes._count[]<br />
Detailed specification of XPath is available at: http://www.w3.org/TR/xpath