This is the home of the MathML 2.0 XML Schema from the MathML Working Group. All the details needed to use it should be covered in appendix A of MathML 2.0, 2nd edition This schema is not normative. It is only provided as a tool to validate MathML instances, without any guarantee on the accuracy of the results. This version will be updated gradually to incorporate corrections or changes. WWW: http://www.w3.org/Math/XMLSchema/