326 lines
10 KiB
XML
326 lines
10 KiB
XML
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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:fo="http://www.w3.org/1999/XSL/Format"
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xmlns:doc="http://nwalsh.com/xsl/documentation/1.0"
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exclude-result-prefixes="doc"
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version='1.0'>
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<!-- ********************************************************************
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$Id: ebnf.xsl 6910 2007-06-28 23:23:30Z xmldoc $
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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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<doc:reference xmlns="">
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<referenceinfo>
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<releaseinfo role="meta">
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$Id: ebnf.xsl 6910 2007-06-28 23:23:30Z xmldoc $
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</releaseinfo>
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<author><surname>Walsh</surname>
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<firstname>Norman</firstname></author>
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<copyright><year>1999</year><year>2000</year><year>2001</year>
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<holder>Norman Walsh</holder>
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</copyright>
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</referenceinfo>
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<title>HTML EBNF Reference</title>
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<partintro>
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<section><title>Introduction</title>
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<para>This is technical reference documentation for the DocBook XSL
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Stylesheets; it documents (some of) the parameters, templates, and
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other elements of the stylesheets.</para>
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<para>This reference describes the templates and parameters relevant
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to formatting EBNF markup.</para>
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<para>This is not intended to be <quote>user</quote> documentation.
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It is provided for developers writing customization layers for the
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stylesheets, and for anyone who's interested in <quote>how it
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works</quote>.</para>
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<para>Although I am trying to be thorough, this documentation is known
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to be incomplete. Don't forget to read the source, too :-)</para>
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</section>
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</partintro>
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</doc:reference>
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<!-- ==================================================================== -->
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<xsl:template match="productionset">
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<xsl:variable name="id"><xsl:call-template name="object.id"/></xsl:variable>
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<xsl:choose>
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<xsl:when test="title">
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<fo:block id="{$id}" xsl:use-attribute-sets="formal.object.properties">
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<xsl:call-template name="formal.object.heading">
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<xsl:with-param name="placement" select="'before'"/>
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</xsl:call-template>
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<fo:table table-layout="fixed" width="100%">
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<fo:table-column column-number="1" column-width="3%"/>
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<fo:table-column column-number="2" column-width="15%"/>
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<fo:table-column column-number="3" column-width="5%"/>
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<fo:table-column column-number="4" column-width="52%"/>
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<fo:table-column column-number="5" column-width="25%"/>
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<fo:table-body start-indent="0pt" end-indent="0pt">
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<xsl:apply-templates select="production|productionrecap"/>
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</fo:table-body>
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</fo:table>
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</fo:block>
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</xsl:when>
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<xsl:otherwise>
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<fo:table id="{$id}" table-layout="fixed" width="100%">
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<fo:table-column column-number="1" column-width="3%"/>
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<fo:table-column column-number="2" column-width="15%"/>
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<fo:table-column column-number="3" column-width="5%"/>
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<fo:table-column column-number="4" column-width="52%"/>
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<fo:table-column column-number="5" column-width="25%"/>
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<fo:table-body start-indent="0pt" end-indent="0pt">
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<xsl:apply-templates select="production|productionrecap"/>
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</fo:table-body>
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</fo:table>
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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="productionset/title">
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<!-- suppressed -->
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</xsl:template>
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<xsl:template match="production">
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<xsl:param name="recap" select="false()"/>
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<xsl:variable name="id"><xsl:call-template name="object.id"/></xsl:variable>
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<fo:table-row>
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<fo:table-cell>
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<fo:block text-align="start">
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<xsl:text>[</xsl:text>
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<xsl:number count="production" level="any"/>
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<xsl:text>]</xsl:text>
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</fo:block>
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</fo:table-cell>
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<fo:table-cell>
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<fo:block text-align="end">
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<xsl:choose>
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<xsl:when test="$recap">
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<fo:basic-link internal-destination="{$id}"
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xsl:use-attribute-sets="xref.properties">
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<xsl:apply-templates select="lhs"/>
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</fo:basic-link>
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</xsl:when>
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<xsl:otherwise>
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<fo:wrapper id="{$id}">
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<xsl:apply-templates select="lhs"/>
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</fo:wrapper>
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</xsl:otherwise>
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</xsl:choose>
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</fo:block>
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</fo:table-cell>
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<fo:table-cell>
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<fo:block text-align="center">
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<xsl:copy-of select="$ebnf.assignment"/>
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</fo:block>
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</fo:table-cell>
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<fo:table-cell>
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<fo:block>
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<xsl:apply-templates select="rhs"/>
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<xsl:copy-of select="$ebnf.statement.terminator"/>
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</fo:block>
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</fo:table-cell>
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<fo:table-cell border-start-width="3pt">
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<fo:block text-align="start">
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<xsl:choose>
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<xsl:when test="rhs/lineannotation|constraint">
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<xsl:apply-templates select="rhs/lineannotation" mode="rhslo"/>
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<xsl:apply-templates select="constraint"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:text> </xsl:text>
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</xsl:otherwise>
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</xsl:choose>
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</fo:block>
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</fo:table-cell>
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</fo:table-row>
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</xsl:template>
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<xsl:template match="productionrecap">
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<xsl:variable name="targets" select="key('id',@linkend)"/>
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<xsl:variable name="target" select="$targets[1]"/>
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<xsl:if test="count($targets)=0">
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<xsl:message>
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<xsl:text>Error: no ID for productionrecap linkend: </xsl:text>
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<xsl:value-of select="@linkend"/>
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<xsl:text>.</xsl:text>
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</xsl:message>
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</xsl:if>
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<xsl:if test="count($targets)>1">
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<xsl:message>
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<xsl:text>Warning: multiple "IDs" for productionrecap linkend: </xsl:text>
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<xsl:value-of select="@linkend"/>
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<xsl:text>.</xsl:text>
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</xsl:message>
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</xsl:if>
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<xsl:apply-templates select="$target">
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<xsl:with-param name="recap" select="true()"/>
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</xsl:apply-templates>
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</xsl:template>
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<xsl:template match="lhs">
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<xsl:apply-templates/>
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</xsl:template>
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<xsl:template match="rhs">
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<xsl:apply-templates/>
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</xsl:template>
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<xsl:template match="nonterminal">
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<xsl:variable name="linkend">
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<xsl:call-template name="xpointer.idref">
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<xsl:with-param name="xpointer" select="@def"/>
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</xsl:call-template>
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</xsl:variable>
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<xsl:call-template name="check.id.unique">
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<xsl:with-param name="linkend" select="$linkend"/>
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</xsl:call-template>
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<xsl:call-template name="check.idref.targets">
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<xsl:with-param name="linkend" select="$linkend"/>
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<xsl:with-param name="element-list">production</xsl:with-param>
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</xsl:call-template>
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<!-- If you don't provide content, you can't point outside this doc. -->
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<xsl:choose>
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<xsl:when test="*|text()"><!--nop--></xsl:when>
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<xsl:otherwise>
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<xsl:if test="$linkend = ''">
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<xsl:message>
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<xsl:text>Non-terminals with no content must point to </xsl:text>
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<xsl:text>production elements in the current document.</xsl:text>
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</xsl:message>
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<xsl:message>
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<xsl:text>Invalid xpointer for empty nt: </xsl:text>
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<xsl:value-of select="@def"/>
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</xsl:message>
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</xsl:if>
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</xsl:otherwise>
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</xsl:choose>
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<xsl:variable name="href">
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<xsl:choose>
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<xsl:when test="$linkend != ''">
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<xsl:variable name="targets" select="key('id',$linkend)"/>
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<xsl:variable name="target" select="$targets[1]"/>
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<xsl:call-template name="object.id">
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<xsl:with-param name="object" select="$target"/>
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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="@def"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:variable>
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<fo:basic-link internal-destination="{$href}"
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xsl:use-attribute-sets="xref.properties">
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<xsl:choose>
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<xsl:when test="*|text()">
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<xsl:apply-templates/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:choose>
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<xsl:when test="$linkend != ''">
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<xsl:variable name="targets" select="key('id',$linkend)"/>
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<xsl:variable name="target" select="$targets[1]"/>
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<xsl:apply-templates select="$target/lhs"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:text>???</xsl:text>
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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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</fo:basic-link>
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</xsl:template>
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<xsl:template match="rhs/lineannotation">
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<!--nop-->
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</xsl:template>
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<xsl:template match="rhs/lineannotation" mode="rhslo">
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<xsl:text>/* </xsl:text>
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<xsl:apply-templates/>
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<xsl:text> */</xsl:text>
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</xsl:template>
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<xsl:template match="constraint">
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<xsl:call-template name="check.id.unique">
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<xsl:with-param name="linkend" select="@linkend"/>
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</xsl:call-template>
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<xsl:call-template name="check.idref.targets">
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<xsl:with-param name="linkend" select="@linkend"/>
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<xsl:with-param name="element-list">constraintdef</xsl:with-param>
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</xsl:call-template>
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<xsl:variable name="href">
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<xsl:variable name="targets" select="key('id',@linkend)"/>
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<xsl:variable name="target" select="$targets[1]"/>
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<xsl:call-template name="object.id">
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<xsl:with-param name="object" select="$target"/>
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</xsl:call-template>
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</xsl:variable>
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<xsl:if test="preceding-sibling::constraint">
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<fo:inline linefeed-treatment="preserve">
</fo:inline>
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</xsl:if>
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<xsl:text>[ </xsl:text>
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<xsl:choose>
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<xsl:when test="@role">
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<xsl:value-of select="@role"/>
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<xsl:text>: </xsl:text>
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</xsl:when>
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<xsl:otherwise>
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<xsl:variable name="targets" select="key('id',@linkend)"/>
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<xsl:variable name="target" select="$targets[1]"/>
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<xsl:if test="$target/@role">
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<xsl:value-of select="$target/@role"/>
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<xsl:text>: </xsl:text>
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</xsl:if>
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</xsl:otherwise>
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</xsl:choose>
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<fo:basic-link internal-destination="{$href}"
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xsl:use-attribute-sets="xref.properties">
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<xsl:variable name="targets" select="key('id',@linkend)"/>
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<xsl:variable name="target" select="$targets[1]"/>
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<xsl:apply-templates select="$target" mode="title.markup"/>
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</fo:basic-link>
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<xsl:text> ]</xsl:text>
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</xsl:template>
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<xsl:template match="constraintdef">
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<xsl:variable name="id"><xsl:call-template name="object.id"/></xsl:variable>
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<fo:block id="{$id}">
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<xsl:apply-templates/>
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</fo:block>
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</xsl:template>
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<xsl:template match="constraintdef/title">
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<fo:block font-weight="bold">
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<xsl:apply-templates/>
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</fo:block>
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</xsl:template>
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<!-- ==================================================================== -->
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</xsl:stylesheet>
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