Date: Aug. 3, 2000
Link: http://www.vbxml.com/XPL/spec_draft.asp
Source Author or Organization: Jonathan Burns, Michael Lauzon, Richard Anthony Hein

This is a specification for eXtensible Programming Language (XPL), an XML-based compiled programming language. XPL's "source code" is expressed using XML documents.

This object-oriented programming language is designed to work with XSLT (XSL Transformations), RDF (Resource Description Framework), XLink (XML Linking Language), and XPath (XML Path Language).