6 October 2000: Extensible Markup
Language (XML) 1.0 (Second Edition)
- subset of SGML
- describes class of data objects with a grammar and processor
semantics.
- definitions of well formed and valid (using DTD) instances
14-January-1999. Namespaces in XML
- provide a simple method for qualifying element and attribute names
- permits content to be mixed together without collisions or
ambiguity
- recent plenary decision said relative URIs are deprecated
