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<?xml version='1.0' encoding='ISO-8859-1'?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:fo="http://www.w3.org/1999/XSL/Format"
version="1.0">
<!-- Making a proper punctuation in xref (only for English language).-->
<xsl:template match="xref" name="xref">
<xsl:variable name="targets" select="key('id',@linkend)"/>
<xsl:variable name="target" select="$targets[1]"/>
<xsl:variable name="refelem" select="local-name($target)"/>
<xsl:variable name="role" select="@role"/>
<xsl:call-template name="check.id.unique">
<xsl:with-param name="linkend" select="@linkend"/>
</xsl:call-template>
<xsl:choose>
<xsl:when test="$refelem=''">
<xsl:message>
<xsl:text>XRef to nonexistent id: </xsl:text>
<xsl:value-of select="@linkend"/>
</xsl:message>
<xsl:text>???</xsl:text>
</xsl:when>
<xsl:when test="$target/@xreflabel">
<fo:basic-link internal-destination="{@linkend}"
xsl:use-attribute-sets="xref.properties">
<xsl:call-template name="xref.xreflabel">
<xsl:with-param name="target" select="$target"/>
</xsl:call-template>
</fo:basic-link>
</xsl:when>
<xsl:otherwise>
<fo:basic-link internal-destination="{@linkend}"
xsl:use-attribute-sets="xref.properties">
<xsl:apply-templates select="$target" mode="xref-to">
<xsl:with-param name="referrer" select="."/>
<xsl:with-param name="role" select="$role"/>
<xsl:with-param name="xrefstyle">
<xsl:value-of select="@xrefstyle"/>
</xsl:with-param>
</xsl:apply-templates>
</fo:basic-link>
</xsl:otherwise>
</xsl:choose>
<!-- Add standard page reference? -->
<xsl:if test="not(starts-with(normalize-space(@xrefstyle), 'select:') != ''
and (contains(@xrefstyle, 'page')
or contains(@xrefstyle, 'Page')))
and ( $insert.xref.page.number = 'yes'
or $insert.xref.page.number = '1')
or local-name($target) = 'para'">
<fo:basic-link internal-destination="{@linkend}"
xsl:use-attribute-sets="xref.properties">
<xsl:apply-templates select="$target" mode="page.citation">
<xsl:with-param name="id" select="@linkend"/>
</xsl:apply-templates>
</fo:basic-link>
</xsl:if>
</xsl:template>
<xsl:template match="section|simplesect|sect1|sect2|sect3|sect4|sect5
|refsect1|refsect2|refsect3|refsection" mode="xref-to">
<xsl:param name="referrer"/>
<xsl:param name="xrefstyle"/>
<xsl:param name="role"/>
<xsl:apply-templates select="." mode="object.xref.markup">
<xsl:with-param name="purpose" select="'xref'"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="referrer" select="$referrer"/>
<xsl:with-param name="role" select="$role"/>
</xsl:apply-templates>
</xsl:template>
<xsl:template match="*" mode="object.xref.markup">
<xsl:param name="purpose"/>
<xsl:param name="xrefstyle"/>
<xsl:param name="referrer"/>
<xsl:param name="role"/>
<xsl:variable name="template">
<xsl:choose>
<xsl:when test="starts-with(normalize-space($xrefstyle), 'select:')">
<xsl:call-template name="make.gentext.template">
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="purpose" select="$purpose"/>
<xsl:with-param name="referrer" select="$referrer"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="starts-with(normalize-space($xrefstyle), 'template:')">
<xsl:value-of select="substring-after(normalize-space($xrefstyle), 'template:')"/>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="." mode="object.xref.template">
<xsl:with-param name="purpose" select="$purpose"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="referrer" select="$referrer"/>
</xsl:apply-templates>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:if test="$template = ''">
<xsl:message>
<xsl:text>object.xref.markup: empty xref template</xsl:text>
<xsl:text> for linkend="</xsl:text>
<xsl:value-of select="@id"/>
<xsl:text>" and @xrefstyle="</xsl:text>
<xsl:value-of select="$xrefstyle"/>
<xsl:text>"</xsl:text>
</xsl:message>
</xsl:if>
<xsl:call-template name="substitute-markup">
<xsl:with-param name="purpose" select="$purpose"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="referrer" select="$referrer"/>
<xsl:with-param name="template" select="$template"/>
<xsl:with-param name="role" select="$role"/>
</xsl:call-template>
</xsl:template>
<xsl:template name="substitute-markup">
<xsl:param name="template" select="''"/>
<xsl:param name="allow-anchors" select="'0'"/>
<xsl:param name="title" select="''"/>
<xsl:param name="subtitle" select="''"/>
<xsl:param name="label" select="''"/>
<xsl:param name="pagenumber" select="''"/>
<xsl:param name="purpose"/>
<xsl:param name="xrefstyle"/>
<xsl:param name="referrer"/>
<xsl:param name="role"/>
<xsl:choose>
<xsl:when test="contains($template, '%')">
<xsl:value-of select="substring-before($template, '%')"/>
<xsl:variable name="candidate"
select="substring(substring-after($template, '%'), 1, 1)"/>
<xsl:choose>
<xsl:when test="$candidate = 't'">
<xsl:apply-templates select="." mode="insert.title.markup">
<xsl:with-param name="purpose" select="$purpose"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="role" select="$role"/>
<xsl:with-param name="title">
<xsl:choose>
<xsl:when test="$title != ''">
<xsl:copy-of select="$title"/>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="." mode="title.markup">
<xsl:with-param name="allow-anchors" select="$allow-anchors"/>
</xsl:apply-templates>
</xsl:otherwise>
</xsl:choose>
</xsl:with-param>
</xsl:apply-templates>
</xsl:when>
<xsl:when test="$candidate = 's'">
<xsl:apply-templates select="." mode="insert.subtitle.markup">
<xsl:with-param name="purpose" select="$purpose"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="subtitle">
<xsl:choose>
<xsl:when test="$subtitle != ''">
<xsl:copy-of select="$subtitle"/>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="." mode="subtitle.markup">
<xsl:with-param name="allow-anchors" select="$allow-anchors"/>
</xsl:apply-templates>
</xsl:otherwise>
</xsl:choose>
</xsl:with-param>
</xsl:apply-templates>
</xsl:when>
<xsl:when test="$candidate = 'n'">
<xsl:apply-templates select="." mode="insert.label.markup">
<xsl:with-param name="purpose" select="$purpose"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="label">
<xsl:choose>
<xsl:when test="$label != ''">
<xsl:copy-of select="$label"/>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="." mode="label.markup"/>
</xsl:otherwise>
</xsl:choose>
</xsl:with-param>
</xsl:apply-templates>
</xsl:when>
<xsl:when test="$candidate = 'p'">
<xsl:apply-templates select="." mode="insert.pagenumber.markup">
<xsl:with-param name="purpose" select="$purpose"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="pagenumber">
<xsl:choose>
<xsl:when test="$pagenumber != ''">
<xsl:copy-of select="$pagenumber"/>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="." mode="pagenumber.markup"/>
</xsl:otherwise>
</xsl:choose>
</xsl:with-param>
</xsl:apply-templates>
</xsl:when>
<xsl:when test="$candidate = 'd'">
<xsl:apply-templates select="." mode="insert.direction.markup">
<xsl:with-param name="purpose" select="$purpose"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="direction">
<xsl:choose>
<xsl:when test="$referrer">
<xsl:variable name="referent-is-below">
<xsl:for-each select="preceding::xref">
<xsl:if test="generate-id(.) = generate-id($referrer)">1</xsl:if>
</xsl:for-each>
</xsl:variable>
<xsl:choose>
<xsl:when test="$referent-is-below = ''">
<xsl:call-template name="gentext">
<xsl:with-param name="key" select="'above'"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="gentext">
<xsl:with-param name="key" select="'below'"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:message>Attempt to use %d in gentext with no referrer!</xsl:message>
</xsl:otherwise>
</xsl:choose>
</xsl:with-param>
</xsl:apply-templates>
</xsl:when>
<xsl:when test="$candidate = '%' ">
<xsl:text>%</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:text>%</xsl:text><xsl:value-of select="$candidate"/>
</xsl:otherwise>
</xsl:choose>
<!-- recurse with the rest of the template string -->
<xsl:variable name="rest"
select="substring($template,
string-length(substring-before($template, '%'))+3)"/>
<xsl:call-template name="substitute-markup">
<xsl:with-param name="template" select="$rest"/>
<xsl:with-param name="allow-anchors" select="$allow-anchors"/>
<xsl:with-param name="title" select="$title"/>
<xsl:with-param name="subtitle" select="$subtitle"/>
<xsl:with-param name="label" select="$label"/>
<xsl:with-param name="pagenumber" select="$pagenumber"/>
<xsl:with-param name="purpose" select="$purpose"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="referrer" select="$referrer"/>
<xsl:with-param name="role" select="$role"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$template"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="*" mode="insert.title.markup">
<xsl:param name="purpose"/>
<xsl:param name="xrefstyle"/>
<xsl:param name="title"/>
<xsl:param name="role"/>
<xsl:choose>
<xsl:when test="$purpose = 'xref' and titleabbrev">
<xsl:apply-templates select="." mode="titleabbrev.markup"/>
</xsl:when>
<xsl:otherwise>
<xsl:copy-of select="$title"/>
<xsl:value-of select="$role"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
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