RE: [xsl] Empty nodes - more informative

Subject: RE: [xsl] Empty nodes - more informative
From: "Michael Kay" <mhkay@xxxxxxxxxxxx>
Date: Wed, 4 Jul 2001 14:00:52 +0100
> <xsl:template match="*">
> 	<xsl:choose>
> 		<xsl:when test="not(string(.))"/>
> 		<xsl:otherwise>
> 			<xsl:copy-of select="."/>
> 		</xsl:otherwise>
> 	</xsl:choose>
> </xsl:template>
> </xsl:transform>
> but <b code="123/> and <c/> are still in the output.
That's because <xsl:copy-of> does a deep copy: if the outermost element has
a non-empty string value, this will copy the whole tree. If you want to test
nodes at every level, you need to do a shallow copy and use
xsl:apply-templates to walk the tree.

Mike Kay
Software AG

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