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Re: grouping/position problem

Subject: Re: grouping/position problem
From: Bruce D'Arcus <bdarcus@xxxxxxxxx>
Date: Sun, 24 Apr 2005 13:37:34 -0400
Re:  grouping/position problem
On Apr 24, 2005, at 1:11 PM, Michael Kay wrote:

If the items to be grouped are already sorted on the grouping key, then
group-by and group-adjacent will produce the same result, but group-adjacent
may be more efficient because each group can be processed sequentially as it
is encountered, rather than having to build all the groups in memory before
processing starts.

OK, thanks for the explanation.


Another question as I'm transferring the example template into my code:

I'm getting a complaint about my use of a function for the grouping here:

<xsl:for-each-group select="$bibrefs-for-author-sorted-by-year" group-adjacent="bib:year(.)">

F XPath syntax error at char 1 on line 32 in {$current-grouping-key()}:
    expected "<name>", found "<function>("

Is this my bug, or Saxon's? I'm using an earlier version bundled with Oxygen.

If the former, how do I workaround it? Store the result of the bib:year() function somehow?

Bruce

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