Subject: Re: [xsl] Does the count() function require access to the whole subtree? From: Michael Kay <mike@xxxxxxxxxxxx> Date: Tue, 14 Jan 2014 12:26:06 +0000 |
On 14 Jan 2014, at 10:11, Costello, Roger L. <costello@xxxxxxxxx> wrote: > Yesterday Michael Kay wrote: > > //x is a "crawling" expression - one that selects > nodes which may overlap each other. > > Michael, I do not understand what you mean by "overlap". It seems like an important concept, since you have used that word repeatedly. > I mean that within the set of nodes selected by //x, there may be two nodes A and B such that A is an ancestor of B. (I'm not using the term overlap in the sense of non-hierarchic markup: perhaps that's the cause of any confusion). Michael Kay Saxonica
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