Subject: Re: [xsl] things about grouping From: Geert Bormans <geert@xxxxxxxxxxxxxxxxxxx> Date: Sat, 24 Nov 2012 10:31:35 +0100 |
2. If your group by patttern evaluates to an empty element current-grouping-key() will yield nothing. However one may (as I did) want to get at the attributes of such an element but this is not possible.
3. If you group-starting-with it's weird to then see things not encompassed by the starting-with expression appear as a group because they precede the first occurrence of the starting-with expression. While this works as specified because for-each-group is a total function over the population it does result in a mismatch between the grammatical semantic and the exhibited behaviour, or to put it another way it does what it says in the spec but doesn't do what it says on the tin.
Thank God a programming language does as per specification ;-) If you don't want that preceding group simply get rid of it using some test For me the semantics is right... all nodes selected are grouped without throwing away selected nodes
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