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xslt2 grouping

Subject: xslt2 grouping
From: David.Pawson@xxxxxxxxxxx
Date: Tue, 15 Apr 2003 09:40:04 +0100
xslt2 grouping
http://www.w3.org/TR/xslt20/#d5e12772 says

The xsl:for-each-group instruction partitions a sequence into groups of
items (that is, it establishes a set of sequences)

A set of sequences.
A set.
But a set does not contain duplicates?
- What definition of duplicate is used please?
  say I use group-by="@x"
With two members of the population being
  <el x='2' y='3'/> and
  <el x='2' y='4'/>  are they classed as duplicate members
  of this population?

So for our grouping uses, we need to be careful to include
all parts of the population if needed?

Is that right please?

TIA, DaveP.





Regards DaveP.

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