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  ITU-T A.5 justification information for referenced document W3C XQuery 1.0 and XPath 2.0 Functions and Operators in draft X.1144
1. Clear description of the referenced document:
Name: W3C XQuery 1.0 and XPath 2.0 Functions and Operators
Title: W3C Recommendation (23 January 2007), XQuery 1.0 and XPath 2.0 Functions and Operators
2. Status of approval:
W3C Recommendation of 2007.
3. Justification for the specific reference:
Draft Rec. X.xacml3 refers to XQuery 1.0 and XPath 2.0 Functions and Operators (Second Edition).
4. Current information, if any, about IPR issues:
No Issues.
5. Other useful information describing the "Quality" of the document:
XML Path Language 2.0 was published in December 2010. Conformance requirements are clear, and the specification is readily and widely available.
6. The degree of stability or maturity of the document:
The document is considered stable and provides a complete description of XML Path Language Version 2.0.See http://www.w3.org/TR/xpath20 for the latest version.
7. Relationship with other existing or emerging documents:
XML Path V2.0 (2010) is a superset of XPath V1.0.
8. Any explicit references within that referenced document should also be listed:
IEEE 754-1985/
IEEE. IEEE Standard for Binary Floating-Point Arithmetic./
Locale Data Markup Language/
Unicode Technical Standard #35, Locale Data Markup Language. Available at: http://www.unicode.org/unicode/reports/tr35//
RFC 2396/
IETF. RFC 2396: Uniform Resource Identifiers (URI): Generic Syntax. Available at: http://www.ietf.org/rfc/rfc2396.txt/
RFC 3986/
IETF. RFC 3986: Uniform Resource Identifiers (URI): Generic Syntax. Available at: http://www.ietf.org/rfc/rfc3986.txt/
RFC 3987/
IETF. RFC 3987: Internationalized Resource Identifiers (IRIs). Available at: http://www.ietf.org/rfc/rfc3987.txt/
Character Model for the World Wide Web 1.0: Fundamentals/
Character Model for the World Wide Web 1.0: Fundamentals. Available at: http://www.w3.org/TR/2005/REC-charmod-20050215//
Character Model for the World Wide Web 1.0: Normalization/
Character Model for the World Wide Web 1.0: Normalization, Last Call Working Draft. Available at: http://www.w3.org/TR/2004/WD-charmod-norm-20040225//
ISO 10967/
ISO (International Organization for Standardization). ISO/IEC 10967-1:1994, Information technology—Language Independent Arithmetic—Part 1: Integer and floating point arithmetic [Geneva]: International Organization for Standardization, 1994. Available from: http://www.iso.ch//
The Unicode Standard/
The Unicode Consortium, Reading, MA, Addison-Wesley, 2003. The Unicode Standard as updated from time to time by the publication of new versions. See http://www.unicode.org/unicode/standard/versions for the latest version and additional information on versions of the standard and of the Unicode Character Database. The version of Unicode to be used is ·implementation-defined·, but implementations are recommended to use the latest Unicode version; currently, Version 4.0.00, Addison-Wesley, 2003 ISBN 0-321-18578-1/
Unicode Collation Algorithm/
Unicode Technical Standard #10, Unicode Collation Algorithm. Available at: http://www.unicode.org/unicode/reports/tr10//
Unicode Regular Expressions/
Unicode Technical Standard #18, Unicode Regular Expressions. Available at: http://www.unicode.org/unicode/reports/tr18//
Extensible Markup Language (XML) 1.0 Recommendation (Third Edition)/
World Wide Web Consortium. Extensible Markup Language (XML) 1.0 Third Edition. Available at: http://www.w3.org/TR/REC-xml/
Extensible Markup Language (XML) 1.1 Recommendation/
World Wide Web Consortium. Extensible Markup Language (XML) 1.1. Available at: http://www.w3.org/TR/2004/REC-xml11-20040204//
XML Path Language (XPath) 2.0/
World Wide Web Consortium. XML Path Language (XPath) Version 2.0. Available at: http://www.w3.org/TR/xpath20//
XSL Transformations (XSLT) Version 2.0/
World Wide Web Consortium. XSL Transformations Version 2.0. Available at: http://www.w3.org/TR/xslt20//
XQuery 1.0 and XPath 2.0 Data Model/
World Wide Web Consortium. XQuery 1.0 and XPath 2.0 Data Model (XDM). Available at: http://www.w3.org/TR/query-datamodel//
XQuery 1.0 and XPath 2.0 Formal Semantics/
World Wide Web Consortium. XQuery 1.0 and XPath 2.0 Formal Semantics. Available at: http://www.w3.org/TR/query-semantics//
XQuery 1.0: An XML Query Language/
World Wide Web Consortium. XQuery 1.0: An XML Query Language. Available at: http://www.w3.org/TR/xquery//
XML Schema Part 1: Structures Second Edition/
XML Schema Part 1: Structures Second Edition, Oct 28 2004. Available at: http://www.w3.org/TR/xmlschema-1//
XML Schema Part 2: Datatypes Second Edition/
XML Schema Part 2: Datatypes Second Edition, Oct. 28 2004. Available at: http://www.w3.org/TR/xmlschema-2//
Namespaces in XML/
Namespaces in XML. Available at: http://www.w3.org/TR/1999/REC-xml-names-19990114/
9. Qualification of W3C:
W3C is qualified for including references in ITU-T Recommendations under Recommendation A.5 procedures.
10. Other (for any supplementary information):
All standards are available on-line. An index of Recommendation and their status may be found in the W3C archives at http://www.w3.org/TR/ .
Note: This form is based on Recommendation ITU-T A.5