source: downloads/boost_1_33_1/tools/boostbook/xsl/fo.xsl @ 12

<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                xmlns:fo="http://www.w3.org/1999/XSL/Format"
                version="1.0">

  <!-- Import the FO stylesheet -->
  <xsl:import 
    href="http://docbook.sourceforge.net/release/xsl/current/fo/docbook.xsl"/>

  <xsl:param name="chapter.autolabel" select="0"/>
  <xsl:param name="refentry.generate.name" select="0"/>
  <xsl:param name="refentry.generate.title" select="1"/>
  <xsl:param name="fop.extensions" select="1"/>
  <xsl:param name="make.year.ranges" select="1"/>
  <xsl:param name="ulink.show" select="0"/>

  <!-- The question and answer templates are copied here from the
       1.61.3 DocBook XSL stylesheets so that we can eliminate the emission
       of id attributes in the emitted fo:list-item-label elements. FOP
       0.20.5 has problems with these id attributes, and they are otherwise
       unused. -->
<xsl:template match="question">
  <xsl:variable name="id"><xsl:call-template name="object.id"/></xsl:variable>

  <xsl:variable name="entry.id">
    <xsl:call-template name="object.id">
      <xsl:with-param name="object" select="parent::*"/>
    </xsl:call-template>
  </xsl:variable>

  <xsl:variable name="deflabel">
    <xsl:choose>
      <xsl:when test="ancestor-or-self::*[@defaultlabel]">
        <xsl:value-of select="(ancestor-or-self::*[@defaultlabel])[last()]
                              /@defaultlabel"/>
      </xsl:when>
      <xsl:otherwise>
        <xsl:value-of select="$qanda.defaultlabel"/>
      </xsl:otherwise>
    </xsl:choose>
  </xsl:variable>

  <fo:list-item id="{$entry.id}" xsl:use-attribute-sets="list.item.spacing">
    <fo:list-item-label end-indent="label-end()">
      <xsl:choose>
        <xsl:when test="$deflabel = 'none'">
          <fo:block/>
        </xsl:when>
        <xsl:otherwise>
          <fo:block>
            <xsl:apply-templates select="." mode="label.markup"/>
            <xsl:text>.</xsl:text> <!-- FIXME: Hack!!! This should be in the locale! -->
          </fo:block>
        </xsl:otherwise>
      </xsl:choose>
    </fo:list-item-label>
    <fo:list-item-body start-indent="body-start()">
      <xsl:choose>
        <xsl:when test="$deflabel = 'none'">
          <fo:block font-weight="bold">
            <xsl:apply-templates select="*[local-name(.)!='label']"/>
          </fo:block>
        </xsl:when>
        <xsl:otherwise>
          <xsl:apply-templates select="*[local-name(.)!='label']"/>
        </xsl:otherwise>
      </xsl:choose>
    </fo:list-item-body>
  </fo:list-item>
</xsl:template>

<xsl:template match="answer">
  <xsl:variable name="id"><xsl:call-template name="object.id"/></xsl:variable>
  <xsl:variable name="entry.id">
    <xsl:call-template name="object.id">
      <xsl:with-param name="object" select="parent::*"/>
    </xsl:call-template>
  </xsl:variable>

  <xsl:variable name="deflabel">
    <xsl:choose>
      <xsl:when test="ancestor-or-self::*[@defaultlabel]">
        <xsl:value-of select="(ancestor-or-self::*[@defaultlabel])[last()]
                              /@defaultlabel"/>
      </xsl:when>
      <xsl:otherwise>
        <xsl:value-of select="$qanda.defaultlabel"/>
      </xsl:otherwise>
    </xsl:choose>
  </xsl:variable>

  <fo:list-item xsl:use-attribute-sets="list.item.spacing">
    <fo:list-item-label end-indent="label-end()">
      <xsl:choose>
        <xsl:when test="$deflabel = 'none'">
          <fo:block/>
        </xsl:when>
        <xsl:otherwise>
          <fo:block>
            <!-- FIXME: Hack!!! This should be in the locale! -->
            <xsl:variable name="answer.label">
              <xsl:apply-templates select="." mode="label.markup"/>
            </xsl:variable>
            <xsl:copy-of select="$answer.label"/>
            <xsl:if test="string($answer.label) != ''">
              <xsl:text>.</xsl:text>
            </xsl:if>
          </fo:block>
        </xsl:otherwise>
      </xsl:choose>
    </fo:list-item-label>
    <fo:list-item-body start-indent="body-start()">
      <xsl:apply-templates select="*[local-name(.)!='label']"/>
    </fo:list-item-body>
  </fo:list-item>
</xsl:template>

</xsl:stylesheet>