The XML Query Working Group has published a Proposed Recommendation of XQueryX 3.0. XQueryX is an XML representation of an XQuery. It was created by mapping the productions of the XQuery grammar into XML productions. The result is not particularly convenient for humans to read and write, but it is easy for programs to parse, and because XQueryX is represented in XML, standard XML tools can be used to create, interpret, or modify queries. Comments are welcome through 25 February 2014. Learn more about the Extensible Markup Language (XML) Activity.