# $Id: Root.pm 4532 2004-05-11 05:15:40Z ezra $package XML::XPath::Root;use strict;use XML::XPath::XMLParser;use XML::XPath::NodeSet;sub new {	my $class = shift;	my $self; # actually don't need anything here - just a placeholder	bless \$self, $class;}sub as_string {	# do nothing}sub as_xml {    return "<Root/>\n";}sub evaluate {	my $self = shift;	my $nodeset = shift;	#	warn "Eval ROOT\n";		# must only ever occur on 1 node	die "Can't go to root on > 1 node!" unless $nodeset->size == 1;		my $newset = XML::XPath::NodeSet->new();	$newset->push($nodeset->get_node(1)->getRootNode());	return $newset;}1;