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    copied!<blockquote> <p>Do I have a problem with my key definition or the way that I am trying to use it?</p> </blockquote> <p>There is no problem with any of them:</p> <p><strong>I cannot reproduce the reported output</strong>. This means that if there really is any problem, it is in the code not shown to us.</p> <p><strong>The provided transformation</strong>:</p> <pre><code>&lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns="http://www.w3.org/1999/xhtml" xmlns:date="http://www.oracle.com/XSL/Transform/java/java.util.Date" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:m="http://mapping.tables" &gt; &lt;xsl:key name="preferences" match="preferences/preference" use="@code"/&gt; &lt;xsl:template match="Reservation/Detail" &gt; &lt;xsl:for-each select="Preferences/Preference"&gt; &lt;xsl:if test ="string-length(./PreferenceCode)&gt;0"&gt; &amp;#160;&amp;#160;&amp;#160;&amp;#160;* ( &lt;xsl:value-of select="./PreferenceCode"/&gt;) &lt;xsl:choose&gt; &lt;xsl:when test="./PreferenceCode!='PETS'"&gt; &lt;xsl:call-template name="prefmap"&gt; &lt;xsl:with-param name="code" select="./PreferenceCode"/&gt; &lt;/xsl:call-template&gt; &lt;br/&gt; &lt;br/&gt; &lt;/xsl:when&gt; &lt;/xsl:choose&gt; &lt;/xsl:if&gt; &lt;/xsl:for-each&gt; &lt;/xsl:template&gt; &lt;xsl:template name="prefmap"&gt; &lt;xsl:param name="code"/&gt; You got here (called template) with code &lt;xsl:value-of select="$code"/&gt; &lt;xsl:for-each select="document('')"&gt; &lt;xsl:value-of select="key('preferences',$code)"/&gt; &lt;/xsl:for-each&gt; &lt;/xsl:template&gt; &lt;m:Maps xmlns=""&gt; &lt;preferences&gt; &lt;preference code="ANT"&gt; Hypoallergenic Bedding &lt;/preference&gt; &lt;preference code="NSK"&gt; Non-smoking Room &lt;/preference&gt; &lt;preference code="SMK"&gt; Smoking Room &lt;/preference&gt; &lt;/preferences&gt; &lt;/m:Maps&gt; &lt;/xsl:stylesheet&gt; </code></pre> <p><strong>when applied on the following XML document</strong> (no XML document was provided in the question!):</p> <pre><code>&lt;Reservation&gt; &lt;Detail&gt; &lt;Preferences&gt; &lt;Preference&gt; &lt;PreferenceCode&gt;ANT&lt;/PreferenceCode&gt; &lt;/Preference&gt; &lt;Preference&gt; &lt;PreferenceCode&gt;NSK&lt;/PreferenceCode&gt; &lt;/Preference&gt; &lt;Preference&gt; &lt;PreferenceCode&gt;SMK&lt;/PreferenceCode&gt; &lt;/Preference&gt; &lt;Preference&gt; &lt;PreferenceCode&gt;PETS&lt;/PreferenceCode&gt; &lt;/Preference&gt; &lt;/Preferences&gt; &lt;/Detail&gt; &lt;/Reservation&gt; </code></pre> <p><strong>produces exactly the expected result</strong>:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; * ( ANT) You got here (called template) with code ANT Hypoallergenic Bedding &lt;br xmlns="http://www.w3.org/1999/xhtml" xmlns:date="http://www.oracle.com/XSL/Transform/java/java.util.Date" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:m="http://mapping.tables"/&gt;&lt;br xmlns="http://www.w3.org/1999/xhtml" xmlns:date="http://www.oracle.com/XSL/Transform/java/java.util.Date" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:m="http://mapping.tables"/&gt; * ( NSK) You got here (called template) with code NSK Non-smoking Room &lt;br xmlns="http://www.w3.org/1999/xhtml" xmlns:date="http://www.oracle.com/XSL/Transform/java/java.util.Date" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:m="http://mapping.tables"/&gt;&lt;br xmlns="http://www.w3.org/1999/xhtml" xmlns:date="http://www.oracle.com/XSL/Transform/java/java.util.Date" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:m="http://mapping.tables"/&gt; * ( SMK) You got here (called template) with code SMK Smoking Room &lt;br xmlns="http://www.w3.org/1999/xhtml" xmlns:date="http://www.oracle.com/XSL/Transform/java/java.util.Date" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:m="http://mapping.tables"/&gt;&lt;br xmlns="http://www.w3.org/1999/xhtml" xmlns:date="http://www.oracle.com/XSL/Transform/java/java.util.Date" xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:m="http://mapping.tables"/&gt; * ( PETS) </code></pre> <p><strong>Do Note:</strong></p> <p>All the following 7 XSLT processors produce exactly the same (above) result: MSXML3/4, XslCompiledTransform, XslTransform, Saxon 6.5.4, Saxon 9.1.05, AltovaXML (XmlSPY).</p>
 

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