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<?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">
<!-- This stylesheet fixes English punctuation in xref links
(as was requested by the publisher) via adding @role propagation
in xref tags.
This hack may not work with xref flavours not used in the book.
For other languages, just remove the xref @role attributes
in the book XML sources and/or comment-out the inclusion of
this file in lfs-pdf.xsl -->
<!-- xref:
Added role variable and use it when calling mode xref-to.
Also remove code for xlink:href attribute in xref elements,
since we don't use it.-->
<!-- The original template is in {docbook-xsl}/fo/xref.xsl -->
<xsl:template match="xref" name="xref">
<xsl:param name="linkend.targets" select="key('id',@linkend)"/>
<xsl:param name="target" select="$linkend.targets[1]"/>
<xsl:param name="refelem" select="local-name($target)"/>
<!-- Added role variable -->
<xsl:variable name="role" select="@role"/>
<xsl:variable name="xrefstyle">
<xsl:choose>
<xsl:when test="@role and not(@xrefstyle)
and $use.role.as.xrefstyle != 0">
<xsl:value-of select="@role"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@xrefstyle"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="content">
<fo:inline xsl:use-attribute-sets="xref.properties">
<xsl:choose>
<xsl:when test="@endterm">
<xsl:variable name="etargets" select="key('id',@endterm)"/>
<xsl:variable name="etarget" select="$etargets[1]"/>
<xsl:choose>
<xsl:when test="count($etarget) = 0">
<xsl:message>
<xsl:value-of select="count($etargets)"/>
<xsl:text>Endterm points to nonexistent ID: </xsl:text>
<xsl:value-of select="@endterm"/>
</xsl:message>
<xsl:text>???</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="$etarget" mode="endterm"/>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:when test="$target/@xreflabel">
<xsl:call-template name="xref.xreflabel">
<xsl:with-param name="target" select="$target"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$target">
<xsl:if test="not(parent::citation)">
<xsl:apply-templates select="$target" mode="xref-to-prefix"/>
</xsl:if>
<xsl:apply-templates select="$target" mode="xref-to">
<xsl:with-param name="referrer" select="."/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<!-- Propagate role -->
<xsl:with-param name="role" select="$role"/>
</xsl:apply-templates>
<xsl:if test="not(parent::citation)">
<xsl:apply-templates select="$target" mode="xref-to-suffix"/>
</xsl:if>
</xsl:when>
<xsl:otherwise>
<xsl:message>
<xsl:text>ERROR: xref linking to </xsl:text>
<xsl:value-of select="@linkend"/>
<xsl:text> has no generated link text.</xsl:text>
</xsl:message>
<xsl:text>???</xsl:text>
</xsl:otherwise>
</xsl:choose>
</fo:inline>
</xsl:variable>
<!-- Convert it into an active link -->
<xsl:call-template name="simple.xlink">
<xsl:with-param name="content" select="$content"/>
</xsl:call-template>
<!-- Add standard page reference? -->
<xsl:choose>
<xsl:when test="not($target)">
<!-- page numbers only for local targets -->
</xsl:when>
<xsl:when test="starts-with(normalize-space($xrefstyle), 'select:')
and contains($xrefstyle, 'nopage')">
<!-- negative xrefstyle in instance turns it off -->
</xsl:when>
<!-- positive xrefstyle already handles it -->
<xsl:when test="not(starts-with(normalize-space($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'">
<xsl:apply-templates select="$target" mode="page.citation">
<xsl:with-param name="id" select="$target/@id|$target/@xml:id"/>
</xsl:apply-templates>
</xsl:when>
</xsl:choose>
</xsl:template>
<!-- sect* mode xref-to:
Propagate role to mode object.xref.markup (see ../lfs-common.xsl) -->
<!-- The original template is in {docbook-xsl}/fo/xref.xsl -->
<xsl:template match="section|simplesect|sect1|sect2|sect3|sect4|sect5
|refsect1|refsect2|refsect3|refsection" mode="xref-to">
<xsl:param name="referrer"/>
<xsl:param name="xrefstyle"/>
<xsl:param name="verbose" select="1"/>
<xsl:param name="role"/>
<xsl:apply-templates select="." mode="object.xref.markup">
<xsl:with-param name="purpose" select="'xref'"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="referrer" select="$referrer"/>
<xsl:with-param name="verbose" select="$verbose"/>
<xsl:with-param name="role" select="$role"/>
</xsl:apply-templates>
</xsl:template>
<!-- insert.title.markup:
Apply the role value. -->
<!-- The original template is in {docbook-xsl}/fo/xref.xsl -->
<xsl:template match="*" mode="insert.title.markup">
<xsl:param name="purpose"/>
<xsl:param name="xrefstyle"/>
<xsl:param name="title"/>
<xsl:param name="role"/>
<xsl:choose>
<xsl:when test="$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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