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RE: Checking for empty values


Subject: RE: Checking for empty values
From: Kay Michael <Michael.Kay@xxxxxxx>
Date: Mon, 17 Jul 2000 13:05:24 +0100

> I want to have my XSL stylesheet evaluate to see if a tag 
> exists or the value is blank. How do I do this using <xsl:if> or
<xsl:when> ?
> 
To test if the element exists:

<xsl:template match="book">
<xsl:if test="author">

To test if the element exists and is non-empty:

<xsl:template match="book">
<xsl:if test="string(author)">

Mike Kay


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