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[xsl] Does the count() function require access to the whole subtree?

2014-01-12 05:10:36
A couple days ago Michael Kay wrote:

        Inspection operations on an element are operations 
        that can be performed while positioned at the start tag.

        Inspection operations include: count(), exists(), name().

        Absorption operations are operations that require access 
        to the whole subtree.

        Absorption operations include: string(), data(), xsl:value-of

Michael, doesn't the count() function require access to the whole subtree? How 
would a count be conducted by sitting at the top of a subtree? Perhaps you 
meant to say that the count() function is an absorption operation?

/Roger

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