Mathematical Markup Language (MathML) Version 3.0: Working Draft
2007-04-27: The Math Working Group has published the First Public Working Draft of Mathematical Markup Language (MathML) Version 3.0. MathML is an XML application for describing mathematical notation and capturing both its structure and content. The goal of MathML is to enable mathematics to be served, received, and processed on the World Wide Web, just as HTML has enabled this functionality for text. Learn more about the Math Activity. (Permalink)
Read more at: http://www.w3.org/News/2007#item81.