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<?xml version='1.0'?>
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<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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                xmlns:sverb="http://nwalsh.com/xslt/ext/com.nwalsh.saxon.Verbatim"
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                xmlns:xverb="xalan://com.nwalsh.xalan.Verbatim"
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                xmlns:lxslt="http://xml.apache.org/xslt"
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                xmlns:exsl="http://exslt.org/common"
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                exclude-result-prefixes="sverb xverb lxslt exsl"
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                version='1.0'>
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<!-- ********************************************************************
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     $Id: verbatim.xsl 8421 2009-05-04 07:49:49Z bobstayton $
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     ********************************************************************
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     This file is part of the XSL DocBook Stylesheet distribution.
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     See ../README or http://docbook.sf.net/release/xsl/current/ for
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     copyright and other information.
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     ******************************************************************** -->
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<!-- XSLTHL highlighting is turned off by default. See highlighting/README
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     for instructions on how to turn on XSLTHL -->
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<xsl:template name="apply-highlighting">
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    <xsl:apply-templates/>
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</xsl:template>
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<lxslt:component prefix="xverb"
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                 functions="numberLines"/>
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<xsl:template match="programlisting|screen|synopsis">
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  <xsl:param name="suppress-numbers" select="'0'"/>
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  <xsl:variable name="id">
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    <xsl:call-template name="object.id"/>
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  </xsl:variable>
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  <xsl:call-template name="anchor"/>
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  <xsl:if test="$shade.verbatim != 0">
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    <xsl:message>
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      <xsl:text>The shade.verbatim parameter is deprecated. </xsl:text>
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      <xsl:text>Use CSS instead,</xsl:text>
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    </xsl:message>
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    <xsl:message>
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      <xsl:text>for example: pre.</xsl:text>
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      <xsl:value-of select="local-name(.)"/>
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      <xsl:text> { background-color: #E0E0E0; }</xsl:text>
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    </xsl:message>
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  </xsl:if>
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  <xsl:choose>
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    <xsl:when test="$suppress-numbers = '0'
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                    and @linenumbering = 'numbered'
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                    and $use.extensions != '0'
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                    and $linenumbering.extension != '0'">
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      <xsl:variable name="rtf">
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        <xsl:choose>
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          <xsl:when test="$highlight.source != 0">
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            <xsl:call-template name="apply-highlighting"/>
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          </xsl:when>
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          <xsl:otherwise>
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            <xsl:apply-templates/>
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          </xsl:otherwise>
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        </xsl:choose>
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      </xsl:variable>
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      <pre>
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        <xsl:apply-templates select="." mode="common.html.attributes"/>
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        <xsl:if test="@width != ''">
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          <xsl:attribute name="width">
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            <xsl:value-of select="@width"/>
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          </xsl:attribute>
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        </xsl:if>
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        <xsl:call-template name="number.rtf.lines">
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          <xsl:with-param name="rtf" select="$rtf"/>
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        </xsl:call-template>
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      </pre>
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    </xsl:when>
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    <xsl:otherwise>
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      <pre>
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        <xsl:apply-templates select="." mode="common.html.attributes"/>
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        <xsl:if test="@width != ''">
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          <xsl:attribute name="width">
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            <xsl:value-of select="@width"/>
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          </xsl:attribute>
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        </xsl:if>
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        <xsl:choose>
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          <xsl:when test="$highlight.source != 0">
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            <xsl:call-template name="apply-highlighting"/>
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          </xsl:when>
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          <xsl:otherwise>
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            <xsl:apply-templates/>
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          </xsl:otherwise>
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        </xsl:choose>
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      </pre>
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    </xsl:otherwise>
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  </xsl:choose>
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</xsl:template>
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<xsl:template match="literallayout">
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  <xsl:param name="suppress-numbers" select="'0'"/>
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  <xsl:variable name="rtf">
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    <xsl:apply-templates/>
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  </xsl:variable>
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  <xsl:if test="$shade.verbatim != 0 and @class='monospaced'">
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    <xsl:message>
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      <xsl:text>The shade.verbatim parameter is deprecated. </xsl:text>
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      <xsl:text>Use CSS instead,</xsl:text>
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    </xsl:message>
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    <xsl:message>
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      <xsl:text>for example: pre.</xsl:text>
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      <xsl:value-of select="local-name(.)"/>
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      <xsl:text> { background-color: #E0E0E0; }</xsl:text>
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    </xsl:message>
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  </xsl:if>
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  <xsl:choose>
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    <xsl:when test="$suppress-numbers = '0'
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                    and @linenumbering = 'numbered'
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                    and $use.extensions != '0'
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                    and $linenumbering.extension != '0'">
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      <xsl:choose>
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        <xsl:when test="@class='monospaced'">
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          <pre>
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            <xsl:apply-templates select="." mode="common.html.attributes"/>
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            <xsl:call-template name="number.rtf.lines">
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              <xsl:with-param name="rtf" select="$rtf"/>
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            </xsl:call-template>
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          </pre>
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        </xsl:when>
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        <xsl:otherwise>
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          <div>
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            <xsl:apply-templates select="." mode="common.html.attributes"/>
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            <p>
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              <xsl:call-template name="number.rtf.lines">
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                <xsl:with-param name="rtf" select="$rtf"/>
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              </xsl:call-template>
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            </p>
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          </div>
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        </xsl:otherwise>
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      </xsl:choose>
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    </xsl:when>
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    <xsl:otherwise>
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      <xsl:choose>
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        <xsl:when test="@class='monospaced'">
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          <pre>
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            <xsl:apply-templates select="." mode="common.html.attributes"/>
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            <xsl:copy-of select="$rtf"/>
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          </pre>
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        </xsl:when>
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        <xsl:otherwise>
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          <div>
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            <xsl:apply-templates select="." mode="common.html.attributes"/>
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            <p>
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              <xsl:call-template name="make-verbatim">
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                <xsl:with-param name="rtf" select="$rtf"/>
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              </xsl:call-template>
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            </p>
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          </div>
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        </xsl:otherwise>
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      </xsl:choose>
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    </xsl:otherwise>
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  </xsl:choose>
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</xsl:template>
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<xsl:template match="address">
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  <xsl:param name="suppress-numbers" select="'0'"/>
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  <xsl:variable name="rtf">
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    <xsl:apply-templates/>
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  </xsl:variable>
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  <xsl:choose>
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    <xsl:when test="$suppress-numbers = '0'
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                    and @linenumbering = 'numbered'
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                    and $use.extensions != '0'
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                    and $linenumbering.extension != '0'">
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      <div>
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        <xsl:apply-templates select="." mode="common.html.attributes"/>
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        <p>
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          <xsl:call-template name="number.rtf.lines">
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            <xsl:with-param name="rtf" select="$rtf"/>
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          </xsl:call-template>
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        </p>
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      </div>
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    </xsl:when>
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    <xsl:otherwise>
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      <div>
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        <xsl:apply-templates select="." mode="common.html.attributes"/>
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        <p>
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          <xsl:call-template name="make-verbatim">
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            <xsl:with-param name="rtf" select="$rtf"/>
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          </xsl:call-template>
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        </p>
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      </div>
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    </xsl:otherwise>
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  </xsl:choose>
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</xsl:template>
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<xsl:template name="number.rtf.lines">
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  <xsl:param name="rtf" select="''"/>
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  <xsl:param name="pi.context" select="."/>
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  <!-- Save the global values -->
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  <xsl:variable name="global.linenumbering.everyNth"
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                select="$linenumbering.everyNth"/>
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  <xsl:variable name="global.linenumbering.separator"
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                select="$linenumbering.separator"/>
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  <xsl:variable name="global.linenumbering.width"
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                select="$linenumbering.width"/>
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  <!-- Extract the <?dbhtml linenumbering.*?> PI values -->
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  <xsl:variable name="pi.linenumbering.everyNth">
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    <xsl:call-template name="pi.dbhtml_linenumbering.everyNth">
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      <xsl:with-param name="node" select="$pi.context"/>
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    </xsl:call-template>
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  </xsl:variable>
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  <xsl:variable name="pi.linenumbering.separator">
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    <xsl:call-template name="pi.dbhtml_linenumbering.separator">
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      <xsl:with-param name="node" select="$pi.context"/>
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    </xsl:call-template>
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  </xsl:variable>
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  <xsl:variable name="pi.linenumbering.width">
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    <xsl:call-template name="pi.dbhtml_linenumbering.width">
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      <xsl:with-param name="node" select="$pi.context"/>
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    </xsl:call-template>
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  </xsl:variable>
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  <!-- Construct the 'in-context' values -->
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  <xsl:variable name="linenumbering.everyNth">
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    <xsl:choose>
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      <xsl:when test="$pi.linenumbering.everyNth != ''">
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        <xsl:value-of select="$pi.linenumbering.everyNth"/>
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      </xsl:when>
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      <xsl:otherwise>
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        <xsl:value-of select="$global.linenumbering.everyNth"/>
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      </xsl:otherwise>
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    </xsl:choose>
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  </xsl:variable>
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  <xsl:variable name="linenumbering.separator">
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    <xsl:choose>
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      <xsl:when test="$pi.linenumbering.separator != ''">
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        <xsl:value-of select="$pi.linenumbering.separator"/>
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      </xsl:when>
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      <xsl:otherwise>
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        <xsl:value-of select="$global.linenumbering.separator"/>
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      </xsl:otherwise>
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    </xsl:choose>
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  </xsl:variable>
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  <xsl:variable name="linenumbering.width">
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    <xsl:choose>
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      <xsl:when test="$pi.linenumbering.width != ''">
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        <xsl:value-of select="$pi.linenumbering.width"/>
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      </xsl:when>
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      <xsl:otherwise>
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        <xsl:value-of select="$global.linenumbering.width"/>
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      </xsl:otherwise>
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    </xsl:choose>
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  </xsl:variable>
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  <xsl:variable name="linenumbering.startinglinenumber">
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    <xsl:choose>
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      <xsl:when test="$pi.context/@startinglinenumber">
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        <xsl:value-of select="$pi.context/@startinglinenumber"/>
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      </xsl:when>
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      <xsl:when test="$pi.context/@continuation='continues'">
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        <xsl:variable name="lastLine">
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          <xsl:choose>
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            <xsl:when test="$pi.context/self::programlisting">
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              <xsl:call-template name="lastLineNumber">
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                <xsl:with-param name="listings"
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                     select="preceding::programlisting[@linenumbering='numbered']"/>
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              </xsl:call-template>
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            </xsl:when>
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            <xsl:when test="$pi.context/self::screen">
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              <xsl:call-template name="lastLineNumber">
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                <xsl:with-param name="listings"
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                     select="preceding::screen[@linenumbering='numbered']"/>
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              </xsl:call-template>
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            </xsl:when>
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            <xsl:when test="$pi.context/self::literallayout">
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              <xsl:call-template name="lastLineNumber">
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                <xsl:with-param name="listings"
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                     select="preceding::literallayout[@linenumbering='numbered']"/>
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              </xsl:call-template>
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            </xsl:when>
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            <xsl:when test="$pi.context/self::address">
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              <xsl:call-template name="lastLineNumber">
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                <xsl:with-param name="listings"
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                     select="preceding::address[@linenumbering='numbered']"/>
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              </xsl:call-template>
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            </xsl:when>
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            <xsl:when test="$pi.context/self::synopsis">
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              <xsl:call-template name="lastLineNumber">
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                <xsl:with-param name="listings"
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                     select="preceding::synopsis[@linenumbering='numbered']"/>
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              </xsl:call-template>
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            </xsl:when>
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            <xsl:otherwise>
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              <xsl:message>
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                <xsl:text>Unexpected verbatim environment: </xsl:text>
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                <xsl:value-of select="local-name($pi.context)"/>
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              </xsl:message>
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              <xsl:value-of select="0"/>
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            </xsl:otherwise>
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          </xsl:choose>
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        </xsl:variable>
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        <xsl:value-of select="$lastLine + 1"/>
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      </xsl:when>
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      <xsl:otherwise>1</xsl:otherwise>
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    </xsl:choose>
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  </xsl:variable>
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  <xsl:choose>
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    <xsl:when test="function-available('sverb:numberLines')">
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      <xsl:copy-of select="sverb:numberLines($rtf)"/>
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    </xsl:when>
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    <xsl:when test="function-available('xverb:numberLines')">
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      <xsl:copy-of select="xverb:numberLines($rtf)"/>
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    </xsl:when>
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    <xsl:otherwise>
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      <xsl:message terminate="yes">
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        <xsl:text>No numberLines function available.</xsl:text>
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      </xsl:message>
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    </xsl:otherwise>
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  </xsl:choose>
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</xsl:template>
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<xsl:template name="make-verbatim">
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  <xsl:param name="rtf"/>
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  <!-- I want to make this RTF verbatim. There are two possibilities: either
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       I have access to the exsl:node-set extension function and I can "do it right"
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       or I have to rely on CSS. -->
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  <xsl:choose>
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    <xsl:when test="$exsl.node.set.available != 0">
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      <xsl:apply-templates select="exsl:node-set($rtf)" mode="make.verbatim.mode"/>
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    </xsl:when>
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    <xsl:otherwise>
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      <span style="white-space: pre;">
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        <xsl:copy-of select="$rtf"/>
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      </span>
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    </xsl:otherwise>
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  </xsl:choose>
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</xsl:template>
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<!-- ======================================================================== -->
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<xsl:template name="lastLineNumber">
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  <xsl:param name="listings"/>
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  <xsl:param name="number" select="0"/>
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  <xsl:variable name="lines">
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    <xsl:call-template name="countLines">
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      <xsl:with-param name="listing" select="string($listings[1])"/>
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    </xsl:call-template>
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  </xsl:variable>
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  <xsl:choose>
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    <xsl:when test="not($listings)">
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      <xsl:value-of select="$number"/>
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    </xsl:when>
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    <xsl:when test="$listings[1]/@startinglinenumber">
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      <xsl:value-of select="$number + $listings[1]/@startinglinenumber + $lines - 1"/>
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    </xsl:when>
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    <xsl:when test="$listings[1]/@continuation='continues'">
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      <xsl:call-template name="lastLineNumber">
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        <xsl:with-param name="listings" select="listings[position() &gt; 1]"/>
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        <xsl:with-param name="number" select="$number + $lines"/>
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      </xsl:call-template>
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    </xsl:when>
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    <xsl:otherwise>
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      <xsl:value-of select="$lines"/>
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    </xsl:otherwise>
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  </xsl:choose>
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</xsl:template>
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<xsl:template name="countLines">
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  <xsl:param name="listing"/>
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  <xsl:param name="count" select="1"/>
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  <xsl:choose>
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    <xsl:when test="contains($listing, '&#10;')">
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      <xsl:call-template name="countLines">
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        <xsl:with-param name="listing" select="substring-after($listing, '&#10;')"/>
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        <xsl:with-param name="count" select="$count + 1"/>
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      </xsl:call-template>
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    </xsl:when>
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    <xsl:otherwise>
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      <xsl:value-of select="$count"/>
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    </xsl:otherwise>
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  </xsl:choose>
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</xsl:template>
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</xsl:stylesheet>
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