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    copied!<p><strong>This can be achieved with a very short and simple transformation -- no <code>&lt;xsl:for-each&gt;</code>, no <code>&lt;xsl:if&gt;</code>, <code>&lt;xsl:choose&gt;</code>, <code>&lt;xsl:when&gt;</code>,no <code>&lt;xsl:attribute&gt;</code> at all</strong>:</p> <pre><code>&lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"&gt; &lt;xsl:output omit-xml-declaration="yes" indent="yes"/&gt; &lt;xsl:strip-space elements="*"/&gt; &lt;xsl:template match="Book[Web/text()]"&gt; &lt;p&gt; &lt;a href="{Web}"&gt; &lt;xsl:value-of select="Pub"/&gt; &lt;/a&gt; &lt;/p&gt; &lt;/xsl:template&gt; &lt;xsl:template match="Book"&gt; &lt;p&gt; &lt;xsl:value-of select="Pub"/&gt; &lt;/p&gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre> <p><strong>when this transformation is applied on the provided XML document</strong>:</p> <pre><code>&lt;Catalog&gt; &lt;Book&gt; &lt;AName&gt;Steven Holzner&lt;/AName&gt; &lt;BName&gt;Using XSLT&lt;/BName&gt; &lt;Pub&gt;ABC Publication &lt;/Pub&gt; &lt;Web&gt;http://www.ABCPub.com&lt;/Web&gt; &lt;/Book&gt; &lt;Book&gt; &lt;AName&gt;Steven Holzner&lt;/AName&gt; &lt;BName&gt;Using HTML&lt;/BName&gt; &lt;Pub&gt;XYZ Publication &lt;/Pub&gt; &lt;Web&gt;&lt;/Web&gt; &lt;/Book&gt; &lt;/Catalog&gt; </code></pre> <p><strong>the wanted, correct result is produced</strong>:</p> <pre><code>&lt;p&gt; &lt;a href="http://www.ABCPub.com"&gt;ABC Publication &lt;/a&gt; &lt;/p&gt; &lt;p&gt;XYZ Publication &lt;/p&gt; </code></pre> <p><strong>Explanation</strong>: Template pattern matching.</p>
 

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