More links to XML

Activities of W3C: http://www.w3.org/XML/Activity -- specification of standards, conferences, links to SW, reference tools, links

What is XML? na XML.COM: http://www.xml.com/pub/a/98/10/guide0.html -- one of the intro articles to XML

XML: XML Quick Syntax Reference Card -- great, simple reference card

Commented version of XML specification at XML.COM (Annotated XML): http://www.xml.com/pub/a/axml/axmlintro.html