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-----Original Message----- From: Michael Kay I solved exactly this same problem for a client recently (in a real application involving financial reporting up an organization hierarchy). It's a tricky one, but the final solution is remarkably concise, at least in XSLT 2.0. To give you a sketch of the solution: there is a recursive named template that takes as input a set of elements and a level number: the template calls xsl:for-each-group to do one level of grouping, calling a function to calculate the grouping key for level N; within the for-each-group it then makes a recursive call-template to group the elements in current-group() at level N+1. The function that calculates the grouping key for level N reads the Nth XPath expression from a configuration file, and calls saxon:evaluate() to evaluate it. I need a Jeni to translate that... Are either of our Jeni's around today :-) regards DaveP -- DISCLAIMER: NOTICE: The information contained in this email and any attachments is confidential and may be privileged. If you are not the intended recipient you should not use, disclose, distribute or copy any of the content of it or of any attachment; you are requested to notify the sender immediately of your receipt of the email and then to delete it and any attachments from your system. RNIB endeavours to ensure that emails and any attachments generated by its staff are free from viruses or other contaminants. However, it cannot accept any responsibility for any such which are transmitted. We therefore recommend you scan all attachments. Please note that the statements and views expressed in this email and any attachments are those of the author and do not necessarily represent those of RNIB. RNIB Registered Charity Number: 226227 Website: http://www.rnib.org.uk
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