Re: Seeking an explanation
<xsl:variable name="g" select="//det[det_format!='test']/ this says select every det (that doesn't have det-format=test) det_rep_group then select its child det_rep_group [generate-id()=generate-id(key('g',.))]" />if that if that child is the first det_rep_group in the document with they key value as specified by its content. so you don't get the first <det_rep_group>10</det_rep_group> because it has <det_format>test</det_format> and you don't get the second <det_rep_group>10</det_rep_group> because that isn't the first much node in _the document_. You need your filter on the key to exactly match the filter on the select when doing muenchian grouping. Which is exactly how you changed the code. Then the select and the key are working on the same nodes, and things work out as you expect. David ________________________________________________________________________ The Numerical Algorithms Group Ltd is a company registered in England and Wales with company number 1249803. The registered office is: Wilkinson House, Jordan Hill Road, Oxford OX2 8DR, United Kingdom. This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. ________________________________________________________________________
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