In all of my professional work with XSLT I have very rarely ever had
to address text() nodes individually.
At 2011-11-21 18:41 +0100, Robby Pelssers wrote:
You can do something like
<xsl:for-each group select="display-articles/section/entry"
group-by="concat(substring(datum/text(), 1,7), '/', page/text())">
<!-- this way you group on unique combinations of e.g. strings
like '2005-02/1' -->
</xsl:for-each>
Robby
In your example above where you have "datum/text()" and
"page/text()", you are better served by using simply "datum" and "page".
Consider if your user has the following:
<datum>2003<!--OCR read this '3' as an '8'-->-05-02</datum>
The expression "substring(datum,6,2)" evaluates as "05" as expected.
The expression "substring(datum/text(),6,2)" triggers a runtime error
because of supplying more than one node for the first argument.
Remember in XPath that the value of an element is the concatenation
of that element's descendent text nodes.
I tell my students if they ever think they need to address a text
node directly, to think again because they probably don't.
I hope this is helpful.
. . . . . . . . . . Ken
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