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    key

    The <xsl:key> element declares a named key which can be used elsewhere in the stylesheet with the key( ) function.

    Syntax

    <xsl:key name=NAME match=EXPRESSION
    	use=EXPRESSION /> 

    Required Attributes

    name
    Specifies a name for this key. Must be a QName.
    match
    Defines the nodes for which this key is applicable.
    use
    Specifies an XPath expression that will be used to determine the value of the key for each of the applicable nodes.

    Optional Attributes

    None.

    Type

    Top-level, must be the child of <xsl:stylesheet> or <xsl:transform>.

    Defined

    XSLT, section 12.2.

    Gecko support

    Supported.

    Document Tags and Contributors

    Contributors to this page: Sheppy, Nickolay, Fredchat, Ptak82, Mgjbot, CitizenK
    Last updated by: Sheppy,