MathML / XML series: An introduction

The eXtensible Markup Language (XML) is changing the way the world

works...The word processor used to write this piece is storing the text and

style information using XML. The Firefox web browser from the Mozilla

Foundation which is battling for web browser market share with Microsoft’s

Internet Explorer browser uses the XML language XUL to describe its user

interface. With the interface in an open format Firefox is customisible.