Comparison of SGML and XML - This W3C discussion paper outlines the differences between SGML and XML. Thoughts and Software - Now unmaintained list of ideas and simple tools from the early days. XML, Java, And The Future Of The Web - A White paper by Jon Bosak of Sun Microsystems. Articles on XML by Norman Walsh - Numerous articles about XML, including many on the DocBook DTD for documents. Design Principles for XML - Ten key points explaining the rationale of the language. OK, So What Is This XML Thing? - David C. Hay's discusses HTML and its counterpart, what it can and cannot do. XML - What's in it for us - This irt.org article presents a brief overview of XML, including its background, applications, and future. (Janus Boye)