size?

Hi,

The xslt spec has the following example fragment in section 11.2:

    <xsl:variable name="level"
                    expr="size(from-ancestors(orderedlist)) mod 3"/>

size() looks like a function, but it is not described as any of the
"well-known" functions. Can I assume that this is some "extension
function" or am I not understanding the syntax?

Or (please say yes) is this a generic function that should be available for all
datatypes but was inadvertently not documented?

Cheers!lef




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