Seven core specifications; new Working Drafts published 23 Jul 2004.
XQuery 1.0 and XPath 2.0 Data Model
XQuery 1.0 and XPath 2.0 Functions and Operators
XQuery 1.0 and XPath 2.0 Formal Semantics
XML Path Language (XPath) 2.0
XSL Transformations (XSLT) Version 2.0
XSLT 2.0 and XQuery 1.0 Serialization
XQuery 1.0: An XML Query Language