[xsl] count selected nodes in for-each

[Kristof Bernaert <kbernaert@xxxxxxxxxxx>]

I have this for-each sequence that filters the data when select statement is
true.

<xsl:for-each
select="document('../../released_xml/news_xml_en/newsticker.xml')/News/Block
[@STARTDATE = '01']">
blabla
</xsl:for-each>

Now, I want to know into how many nodes this for-each results, with the
purpose to use that number in this selection:

<xsl:choose>
<xsl:when test="previous_amount_nudes = 0">blabla</xsl:when>
</xsl:choose>




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