Dear David,
I have used your statements as follows:
<xsl:key name="page" match="*[(_at_)page-num]" use="@page-num"/>
<xsl:template match="/">
<h1><xsl:if
test="generate-id(.)=generate-id(key('page',@page-num)[1])"><xsl:value-of
select="generate-id(key('page',@page-num)[1])"/></xsl:if></h1>
</xsl:apply-templates/>
</xsl:template>
but I am unable to get the result in <h1> tag. Please help me.
Regards,
Ganesh
On 10/3/08, David Carlisle <davidc(_at_)nag(_dot_)co(_dot_)uk> wrote:
muenchian grouping is your friend.
add
<xsl:key name="page" match="*[(_at_)page-num]" use="@page-num"/>
then to test if the current node is the first node with a given page-num
you just need
<xsl:if test="generate-id(.)=generate-id(key('page',@page-num)[1])">
...
as the key will return all the nodes with the current page-num, and the
generate-id test tests that the current node is the first of those in
document order.
To comment on your posted code
<xsl:template match="/">
<xsl:for-each select="@page-num">
/ is the document root so has no attributes so this is iterating over
the empty node set and will therefore do nothing.
You could change it to <xsl:for-each select="//*(_at_)page-num"> but the
above key is likely to be a lot more efficient than building a list of
unique pages before starting.
David
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