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The Stylesheet below does most of what I want -- It groups all of the
entries for a single Subject under a single subject heading. I would like to subsort under each group (Subject) first by author then by title, and if possible, when there is/are no author/authors, by title alone. The example would put the Kolar book first, then the Siegar Book, both under the single heading "Catalogs. Austria". I have spent a lot of time on it but have not been able to solve the sort within groupings problem. Can someone help? stylesheet and xml input sample below Thanks, Mark <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="2.0">
<xsl:template match="/">
<List>
<xsl:for-each-group select="/List/Entry" group-by="Subject">
<Entry>
<xsl:copy-of select="Subject"/>
<xsl:for-each select="current-group()">
<Item>
<xsl:copy-of select="*[not(self::Subject)]"/>
</Item>
</xsl:for-each>
</Entry>
</xsl:for-each-group>
</List>
</xsl:template>
</xsl:stylesheet>--------------------------------
- <List>
- <Entry>
<Subject>Catalogs. Austria</Subject>
<Author>Sieger, Hermann Walter</Author>
- <Book>
<Title>Zeppelinpost spezial-katalog</Title>
</Book>
- </Entry>
- <Entry>
<Subject>Catalogs. Austria</Subject>
<Author>Kolar, Hugo</Author>
- <Book>
<Title>Katalog znamok Rakzsko 1850-1918</Title>
<Edition>Second</Edition>
</Book>
</Locator>
</Entry>
</List>
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