Examplotron - The purpose of examplotron is to use instance documents as a lightweight schema language-- eventually adding the information needed to guide a validator in the sample documents. EXSLT - EXSLT is a community initiative to provide extensions to XSLT. They are trying to encourage the implementers of XSLT processors to use these extensions, so that your stylesheets can be more portable. Hysen, Gordon - XSLT - Resources, downloads, links, and xsl-list. XSLT Requirements Version 2.0 - This draft document describes the requirements for the XSLT 2.0 specification. (W3C Working Draft 14 February 2001) XSL Transformations (XSLT) Version 1.0 - This specification defines the syntax and semantics of XSLT, which is a language for transforming XML documents into other XML documents. (W3C Recommendation 16 November 1999) W3C : Extensible Stylesheet Language (XSL) - XSL information at W3C : this page is the starting point to all the official W3C documents about XSL. XSLT and XPath Quick Reference - Quick reference card developed by Mulberry Technologies in PDF format XML Bible Chapter 17 - Covers the October 8, 1999 proposed recommendations of XSL Transformations and XPath. Saxon: The Anatomy of an XSLT processor - In this article Michael Kay, outlines the Saxon architecture to demonstrate the inner workings of an Extensible Style Language Transformations (XSLT) processor.