SAXONICA

Saxon Documentation
Full Contents
About Saxon
Changes in this Release
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
	Introduction
	Constants
	Variable References
	Function Calls
	Axis steps
	Parentheses and operator precedence
	Filter expressions
	Path expressions
	Cast as, Treat as
	Set difference and intersection
	Union
	Arithmetic expressions
	Range expressions
	Comparisons
	Instance of and Castable as
	Conditional Expressions
	Quantified Expressions
	For Expressions
	Boolean expressions: AND and OR
»	Sequence expressions
Function Library
Standards Conformance

Sequence expressions

The expression E1 , E2 returns the sequence obtained by concatenating the sequences E1 and E2.

For example, $x = ("London", "Paris", "Tokyo") returns true if the value of $x is one of the strings listed.