[xep-support] Index Sort Problem (no index output produced when sort statement is used)

From: Chris Cosentino (ccosenti@cisco.com)
Date: Wed Feb 18 2004 - 10:58:56 PST

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    Hi,

    I'm using XEP 3.7.1 Client.

    I'm experiencing some odd behavior with sort. I'm trying to sort an index.

    My index entries are set up like this in the XSLT:

    <xsl:template match="indexentry">
         <fo:wrapper id="{generate-id()}">
             <xsl:apply-templates/>
         </fo:wrapper>
    </xsl:template>

    My code to generate the index, unsorted, works fine:

    <xsl:template name="index">
    <fo:block>
    INDEX
    <xsl:for-each select="//indexentry">
             <fo:block font="11pt Times" space-before.optimum="6pt">
                 <fo:wrapper text-transform="lowercase">
                 <xsl:value-of select="."/>
                 <fo:leader leader-pattern="dots"/>
                 <fo:page-number-citation ref-id="{generate-id()}"/>
                 </fo:wrapper>
                 </fo:block>
             </xsl:for-each>
    </fo:block>
    </xsl:template>

    However, the following produces no output after "INDEX":

    <xsl:template name="index">
    <fo:block>
    INDEX
    <xsl:for-each select="//indexentry">
             <xsl:sort>
             <fo:block font="11pt Times" space-before.optimum="6pt">
                 <fo:wrapper text-transform="lowercase">
                 <xsl:value-of select="."/>
                 <fo:leader leader-pattern="dots"/>
                 <fo:page-number-citation ref-id="{generate-id()}"/>
                 </fo:wrapper>
                 </fo:block>
            </xsl:sort>
             </xsl:for-each>
    </fo:block>
    </xsl:template>

    No variation of the initial sort tag seems to work either (granted my
    select statements may be grasping at straws, but I tried EVERYTHING,
    several times):

    <xsl:sort select = ".">
    <xsl:sort select = "//indexentry">
    <xsl:sort select = "indexentry">
    <xsl:sort order-"descending">

    Any idea why absolutely no index is output when I put a sort statement in
    there, even the most basic sort with no options? Obviously I need to read
    up on XPath a little better for my select statements, but I still don't
    understand why nothing is output with even just a basic sort.

    Thanks,

    Chris Cosentino
    Cisco Systems, Inc.

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