XML, XSL, XHTML

• XHTML - Etendebla Hiperteksta Marklingvo
• XML.COM - XML From the Inside Out
• Developer Fusion : XML - Tutorials, Articles & Source Code
• HotScripts.com - PHP, Java, JavaScript, Perl, Python, XML & more!
• DOM Level 1 Specification - Document Object Model
• XML in 10 points
• XML 1.0 Extensible Markup Language
• XML Linking Language (XLink) Version 1.0
• XML Pointer Language (XPointer) Version 1.0
• XSL - Extensible Stylesheet Language
• XSL and CSS: which should I use? Use CSS when you can, XSL when you must!
• XHTML 1.0: Extensible HyperText Markup Language - A reformulation of HTML 4 as an XML 1.0 application