Scott Boag. <a href="http://www.w3.org/TR/2005/WD-xquery-xpath-parsing-20050404"><cite>Building a Tokenizer for XPath or XQuery.</cite></a> 4 April 2005. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2005/WD-xquery-xpath-parsing-20050404">http://www.w3.org/TR/2005/WD-xquery-xpath-parsing-20050404</a>