<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
           targetNamespace="http://www.w3.org/1999/xhtml"
           xmlns:simpleml="http://www.example.com/xmlns/simpleml1"
           xmlns="http://www.w3.org/1999/xhtml"
           blockDefault="#all">

  <xs:import namespace="http://www.w3.org/XML/1998/namespace"
             schemaLocation="http://www.w3.org/2001/xml.xsd"/>

  <xs:import namespace="http://www.w3.org/1998/Math/MathML"
            schemaLocation="http://www.w3.org/Math/XMLSchema/mathml2/mathml2.xsd"/>

  <xs:include schemaLocation="http://www.w3.org/MarkUp/SCHEMA/xhtml11-modules-1.xsd"/>

  <xs:include schemaLocation="mathml-model-1.xsd"/>

</xs:schema>