#!/usr/bin/perl -w
BEGIN {
        package LibXMLVars;
        require Exporter;
        our @ISA = qw(Exporter);
        our @EXPORT_OK = qw(XML_ELEMENT_NODE XML_ATTRIBUTE_NODE XML_TEXT_NODE XML_CDATA_SECTION_NODE);
        use constant XML_ELEMENT_NODE => 0;
        use constant XML_ATTRIBUTE_NODE => 0;
        use constant XML_TEXT_NODE => 0;
        use constant XML_CDATA_SECTION_NODE => 0;
}
package main;
use strict;
BEGIN {
        eval {
                require XML::LibXML;
                import XML::LibXML;
                require XML::LibXML::Common;
                import XML::LibXML::Common qw(:libxml);
        };
        if ($@) {
                warn "Failed to import XML::LibXML";
                import LibXMLVars qw(XML_ELEMENT_NODE XML_ATTRIBUTE_NODE XML_TEXT_NODE XML_CDATA_SECTION_NODE);
        }
}

print "Test: '".XML_ELEMENT_NODE."'\n";