Validate against W3C XML Schema (XSD) 1.1 in Perl

xsd11-validate.pl

use XML::Compile::Schema;	# XML::LibXML does not support W3C XML SChema 1.1 (but which we need)

my $xmlschemastring = q(<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
    ...
    elementFormDefault="qualified"
    xmlns:vc="http://www.w3.org/2007/XMLSchema-versioning"
    vc:minVersion="1.1">

    <xs:element ...

</xs:schema>);

my $schema = XML::Compile::Schema->new($xmlschemastring);
my $reader = $schema->compile(READER => '{my_namespace}my_root_element');
my $conf   = $reader->($my_xmlfile);