Function Calls

A function call in XPath 2.0 takes the form F ( arg1, arg2, ...) . In general, the function name is a QName. A library of core functions is defined in the XPath 2.0 and XSLT 2.0 specifications. For details of these functions, including notes on their implementation in this Saxon release, see functions.html. Additional functions are available (in a special namespace) as Saxon extensions: these are listed in extensions.html. Further functions may be implemented by the user, either as XSLT stylesheet functions (see xsl:function), or as Java extension functions (see extensibility.html).

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