I'm binding the result of for-each to a variable like this:
<xsl:variable name="title-suffix">
<xsl:for-each select="relation_list/relation[(_at_)class='REP']">
<xsl:call-template name="title-suffix">
<xsl:with-param name="relation" select="."/>
</xsl:call-template>
</xsl:for-each>
</xsl:variable>
My problem arises when no nodes match the select expression and so the
title-suffix template isn't called. Shouldn't the
title-suffix variable
be bound to an empty sequence, whose effective boolean value is false?
No, it's bound to an empty tree: a document node with no children, whose
effective boolean value is true.
You're using 2.0 here. In 2.0 this kind of thing is done much more easily
using functions. Something like:
<xsl:variable name="title-suffix"
select="for $x in relation_list/relation[(_at_)class='REP']
return title-suffix($x)"/>
Michael Kay
http://www.saxonica.com/
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