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Please check the errata for any errors or issues reported since publication. This document is also available in these non-normative formats: XML and Change markings relative to previous edition.

Copyright © 2014 Change markings are relative to the Recommendation of 23 January 2007.

This document defines constructor functions, operators, and functions on the datatypes defined in [XML Schema Part 2: Datatypes Second Edition] and the datatypes defined in [XQuery and XPath Data Model (XDM) 3.0].

These functions and operators are defined for use in [XML Path Language (XPath) 3.0], [XQuery 3.0: An XML Query Language] and [XSL Transformations (XSLT) Version 3.0] and other related XML standards.

The signatures and summaries of functions defined in this document are available at:

This is the third version of the specification of this function library.

The first version was included as an intrinsic part of the [XML Path Language (XPath) Version 1.0] specification published on 16 November 1999.

The second version was published under the title on 23 January 2007, subsequently revised in a second edition published on 14 December 2010.

Last modified 24-Jul-2016 08:54