SAXONICA

Saxon Documentation
Full Contents
About Saxon
Changes in this Release
| Version 8.9 (2007-02-12)
| Version 8.8 (2006-09-05)
| Version 8.7.3 (2006-06-13)
| Version 8.7.2 (2006-04-19)
| Version 8.7.1 (2006-04-13)
| Version 8.7 (2006-02-24)
| Version 8.6.1 (24 November 2005)
| Version 8.6 (3 November 2005)
| Version 8.5.1 (26 August 2005)
| Version 8.5 (2 August 2005)
| Version 8.4 (4 April 2005)
» | Version 8.3 (11 February 2005)
| Version 8.2 (21 December 2004)
| Version 8.1.1 (8 October 2004)
| Version 8.1 (24 September 2004)
| Version 8.0 (1 June 2004)
Conditions of Use
Using XSLT 2.0
Using XQuery
Handling Source Documents
XML Schema Processing
XPath API for Java
Saxon on .NET
Extensibility
Saxon Extensions
Sample Saxon Applications
The Saxon SQL Extension
XSLT Elements
XPath 2.0 Expression Syntax
Function Library
Standards Conformance

# XPath 2.0 Changes

The rules for effective boolean value have changed. These rules make it a type error to ask for the effective boolean value of anything other than a sequence starting with a node, or a singleton boolean, number, or string. For example, testing the effective boolean value of an `xs:anyURI` value or of a sequence of integers is now an error.

Similarly, it is now an error for the value of a predicate in a filter expression to evaluate to anything other than a sequence starting with a node, or a singleton boolean, number, or string.

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