David Carlisle schrieb am 27.03.2009 um 21:58:30 (+0000):
perhaps this is less wrong.
<xsl:template match="Groups">
<xsl:copy>
<xsl:apply-templates
select="G1/M[ position() mod $M-per-G2 = 1 ]" mode="group"/>
</xsl:copy>
</xsl:template>
<xsl:template match="M" mode="group">
<G2 no="{position()}"><!-- I want this GR to be numbered sequentially. -->
<xsl:copy-of select="
. | following-sibling::M[position() < $M-per-G2]"/>
</G2>
</xsl:template>
Simply perfect. Thanks!
The lesson might be: Knowing that position() will be the device to do
the numbering (and not <xsl:number/>), the task is in setting up a
suitable current context, which implies the required numbering.
This context happily (and necessarily, in this case) coincides with what
I need to introduce a new hiararchical level <G2>.
By applying templates from <G1>, I had moved too close to the problem
and lost the occasion to solve it easily. Thanks for reframing this!
Michael Ludwig
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