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    copied!<p><strong>Edit</strong>: In my initial reply (below) I thought that the value of the <code>select</code> attribute was required to be a pattern and now I see that I was misled by the spec.</p> <p>In this case, the reported behavior is most likely a bug.</p> <p>@Jahangir, congratulations for discovering a bug in at least three XSLT 2.0 processors.</p> <hr> <p><strong>The W3C XSLT 2.0 spec says</strong> (about the <code>select</code> attribute of <code>xsl:for-each-group</code>):</p> <blockquote> <p>"•If the group-starting-with attribute is present, then its value must be a pattern."</p> </blockquote> <p>And the rules for pattern allow only the <code>child::</code> or <code>attribute::</code> axes to be used in the pattern. </p> <p><strong>Therefore, <code>descendant::*</code> is not allowed as a pattern</strong>. I guess that the XSLT processor treats this as "recoverable error" and takes its own action as recovery.</p> <p>The solution is to put the first <code>milestone</code> element in its proper place as the immediate following sibling of <code>div</code>, and change the <code>select attribute of</code>xsl:for-each-group<code>to:</code>div/*`:</p> <pre><code>&lt;text&gt; &lt;body&gt; &lt;div&gt; &lt;milestone unit="fragment"/&gt; &lt;p&gt;First line text in FIRST fragment&lt;/p&gt; &lt;p&gt;Second line &lt;seg&gt;text in FIRST&lt;/seg&gt; fragment &lt;/p&gt; &lt;p&gt;Third line text in FIRST fragment&lt;/p&gt; &lt;milestone unit="fragment"/&gt; &lt;p&gt;First line text in SECOND fragment&lt;/p&gt; &lt;p&gt;Second line &lt;seg&gt;text in SECOND &lt;/seg&gt; fragment &lt;/p&gt; &lt;p&gt;Third line text in SECOND fragment&lt;/p&gt; &lt;milestone unit="fragment"/&gt; &lt;p&gt;First line text in THIRD fragment&lt;/p&gt; &lt;p&gt;Second line &lt;seg&gt;text in THIRD &lt;/seg&gt; fragment &lt;/p&gt; &lt;p&gt;Third line text in THIRD fragment&lt;/p&gt; &lt;/div&gt; &lt;/body&gt; &lt;/text&gt; </code></pre> <p>and:</p> <pre><code>&lt;xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" exclude-result-prefixes="xs" version="2.0"&gt; &lt;xsl:output method="html" name="html" encoding="UTF-8" indent="yes" omit-xml-declaration="yes" include-content-type="no"/&gt; &lt;xsl:template match="/"&gt; &lt;xsl:apply-templates/&gt; &lt;/xsl:template&gt; &lt;xsl:template match="body"&gt; &lt;xsl:for-each-group select="div/*" group-starting-with="milestone[@unit='fragment']"&gt; &lt;xsl:variable name="currFragNumber"&gt; &lt;xsl:number count="milestone[@unit='fragment']" level="any" from="text"/&gt; &lt;/xsl:variable&gt; &lt;xsl:result-document href="{$currFragNumber}.html" format="html"&gt; &lt;xsl:apply-templates select="current-group()" /&gt; &lt;/xsl:result-document&gt; &lt;/xsl:for-each-group&gt; &lt;/xsl:template&gt; &lt;xsl:template match="p"&gt; &lt;p&gt; &lt;xsl:apply-templates/&gt; &lt;/p&gt; &lt;/xsl:template&gt; &lt;xsl:template match="seg"&gt; &lt;span&gt; &lt;xsl:apply-templates/&gt; &lt;/span&gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre>
 

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