Actually, I need to correct two things on my reply to Mike; first the
template needs to put the year variable within the year-grouped
for-each (it was outside the for-each). So:
<xsl:template match="list" mode="sort_author-year">
<xsl:for-each-group select="item" group-by="@author">
<xsl:sort select="current-grouping-key()"/>
<xsl:for-each-group select="current-group()" group-by="@year">
<xsl:sort select="current-grouping-key()" />
<xsl:for-each select="current-group()">
<xsl:variable name="year">
<xsl:value-of select="current-grouping-key()"/>
<xsl:if test="last() > 1">
<xsl:number value="position()" format="a"/>
</xsl:if>
</xsl:variable>
<xsl:variable name="author-position" select="position()"/>
<xsl:variable name="shorten-author"
as="xs:boolean"select="$author-position > 1" />
<xsl:apply-templates select=".">
<xsl:with-param name="year" select="$year"/>
<xsl:with-param
name="shorten-author"select="$shorten-author"/>
</xsl:apply-templates>
</xsl:for-each>
</xsl:for-each-group>
</xsl:for-each-group>
</xsl:template>
Therefore this is wrong:
... here's the expected result:
<result>
<item>
<shorten-author>false</shorten-author>
<year>2001a</year>
</item>
<item>
<shorten-author>true</shorten-author>
<year>2001a</year>
</item>
<item>
<shorten-author>true</shorten-author>
<year>2002b</year>
</item>
</result>
It should be:
<result>
<item>
<shorten-author>false</shorten-author>
<year>2001a</year>
</item>
<item>
<shorten-author>true</shorten-author>
<year>2001a</year>
</item>
<item>
<shorten-author>true</shorten-author>
<year>2002</year>
</item>
</result>
Note the last year.
Bruce
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