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    <h1>XSLT 2.0</h1> <p>Using XSLT 2.0, the following solution works:</p> <pre><code> &lt;xsl:variable name="map"&gt; &lt;entry key="key-1"&gt;value1&lt;/entry&gt; &lt;entry key="key-2"&gt;value2&lt;/entry&gt; &lt;entry key="key-3"&gt;value3&lt;/entry&gt; &lt;/xsl:variable&gt; &lt;xsl:template match="/"&gt; &lt;output&gt; &lt;xsl:value-of select="$map/entry[@key='key-1']"/&gt; &lt;/output&gt; &lt;/xsl:template&gt; </code></pre> <h1>XSLT 1.0</h1> <p>You cannot use a result tree fragment in a XPath expression in XSLT 1.0, but <code>fn:document()</code> can retrieve map values. An answer to a <a href="https://stackoverflow.com/questions/3564329/how-can-i-select-nodes-from-a-tree-whose-markup-is-stored-in-a-variable/3564550#3564550">similar question</a> will work here:.</p> <pre><code>&lt;xsl:value-of select="document('')//xsl:variable[@name='map']/map/entry[@key='key-1']"/&gt; </code></pre> <p>As described in the <a href="https://www.w3.org/TR/xslt-10/#document" rel="nofollow noreferrer">XSLT 1.0 specification</a>:</p> <blockquote> <p><code>document('')</code> refers to the root node of the stylesheet; the tree representation of the stylesheet is exactly the same as if the XML document containing the stylesheet was the initial source document.</p> </blockquote> <p>However, you don't need to use <code>xsl:variable</code> for this. You could specify your map node directly under <code>xsl:stylesheet</code>, but you must remember that a top level elements must have a non null namespace URI:</p> <pre><code>&lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:my="some.uri" exclude-result-prefixes="my"&gt; &lt;my:map&gt; &lt;entry key="key-1"&gt;value1&lt;/entry&gt; &lt;entry key="key-2"&gt;value2&lt;/entry&gt; &lt;entry key="key-3"&gt;value3&lt;/entry&gt; &lt;/my:map&gt; &lt;xsl:template match="/"&gt; &lt;output&gt; &lt;xsl:value-of select="document('')/*/my:map/entry[@key='key-1']"/&gt; &lt;/output&gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre>
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    1. COHi, But then when i did copy-of the result tree fragment was printed properly and not only that even value-of only printed the text nodes in the result tree. BR, Keshav
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    2. CO@Keshav: If you only use `copy-of`/`value-of` on the variable `$map` without trying to use it as a node set, it will work. But once you try to make your way down the result tree fragment with a XPath expression it will fail.
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    3. COThis is *almost* what I need for my particular problem. What if I want to use an xpath or a $parameter instead of the hard-wired key-1 to lookup the right entry in the map? I've tried <xsl:value-of select="$map/entry[@key='{myxpath}']"/> but that does not work.
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