Subject: Re: Grouping in the FAQ (was Re: Conflicting Node Values) From: David Carlisle <davidc@xxxxxxxxx> Date: Fri, 26 May 2000 12:24:08 +0100 (BST) |
I wrote > Don't you want > > count(.|key('tid',.)[1])=1 > > which is equivalent to the generate-id tests. Of course, it's only equivalent in the case that you know that the key returns something, otherwise if the key returns the empty set then the above will always be true as .|key('tid',.)[1] will be . In general the test "is the current node the first node in the node set x" is either "generate-id(.) = generate-id($x[1])" (the [1] is optional here) or "count(.|$x[1])=count($x[1])" or "$x and count(.|$x[1])= 1" David XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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