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92 lines
2.8 KiB
92 lines
2.8 KiB
15 years ago
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<refentry id="use.role.as.xrefstyle">
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<refmeta>
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<refentrytitle>use.role.as.xrefstyle</refentrytitle>
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<refmiscinfo role="type">boolean</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>use.role.as.xrefstyle</refname>
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<refpurpose>Use <sgmltag class="attribute">role</sgmltag> attribute for
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<sgmltag class="attribute">xrefstyle</sgmltag> on <sgmltag>xref</sgmltag>?</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<src:fragment id='use.role.as.xrefstyle.frag'>
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<xsl:param name="use.role.as.xrefstyle" select="1"/>
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</src:fragment>
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</refsynopsisdiv>
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<refsect1><title>Description</title>
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<para>If non-zero, the <sgmltag class="attribute">role</sgmltag> attribute on
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<sgmltag>xref</sgmltag> will be used to select the cross reference style.
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The <ulink url="http://www.oasis-open.org/docbook/">DocBook
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Technical Committee</ulink> recently added an
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<sgmltag class="attribute">xrefstyle</sgmltag> attribute for this purpose.
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If the <sgmltag class="attribute">xrefstyle</sgmltag> attribute
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is present, <sgmltag class="attribute">role</sgmltag> will be ignored, regardless
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of this setting.</para>
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<para>Until an official DocBook release that includes the new
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attribute, this flag allows <sgmltag class="attribute">role</sgmltag>
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to serve that purpose.</para>
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</refsect1>
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<refsect1><title>Example</title>
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<para>The following small stylesheet shows how to configure the stylesheets to make
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use of the cross reference style:</para>
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<programlisting><![CDATA[<?xml version="1.0"?>
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<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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version="1.0">
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<xsl:import href="../xsl/html/docbook.xsl"/>
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<xsl:output method="html"/>
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<xsl:param name="local.l10n.xml" select="document('')"/>
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<l:i18n xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0">
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<l:l10n xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" language="en">
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<l:context name="xref">
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<l:template name="chapter" style="title" text="Chapter %n, %t"/>
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<l:template name="chapter" text="Chapter %n"/>
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</l:context>
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</l:l10n>
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</l:i18n>
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</xsl:stylesheet>]]></programlisting>
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<para>With this stylesheet, the cross references in the following document:</para>
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<programlisting><![CDATA[<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<book id="book"><title>Book</title>
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<preface>
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<title>Preface</title>
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<para>Normal: <xref linkend="ch1"/>.</para>
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<para>Title: <xref xrefstyle="title" linkend="ch1"/>.</para>
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</preface>
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<chapter id="ch1">
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<title>First Chapter</title>
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<para>Irrelevant.</para>
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</chapter>
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</book>]]></programlisting>
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<para>will appear as:</para>
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<informalexample>
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<para>Normal: Chapter 1.</para>
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<para>Title: Chapter 1, <emphasis>First Chapter</emphasis>.</para>
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</informalexample>
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</refsect1>
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</refentry>
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