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Subject: Importing titlepage.xsl breaks section heading level in html
Hi there,
I've notice some odd behavior in the DocBook xsls: If you import your titlepage xsl after importing the main docbook.xsl file, then all the headings for any section level are <h1>. However if you import the titlepage xsl first, then the headings are <h1>, <h2>, etc as you expect. I've put a minimal demo below. I'm mentioning it because the example customization layer here http://www.sagehill.net/docbookxsl/TitlePageGraphics.html has the titlepage imported after the docbook.xsl file and I've never seen instructions that you should import your titlepage before docbook.xsl. Is this by design or a bug?
Given the following test document:
<book>
<title>Foo</title>
<chapter>
<title>Chap</title>
<section>
<title>sect1</title>
<section>
<title>sect2</title>
<section>
<title>sect3</title>
<section>
<title>sect4</title>
<para>Foo</para>
</section>
</section>
</section>
</section>
</chapter>
</book>
With the following customization layer:
<xsl:stylesheet
xmlns="http://www.w3.org/1999/xhtml";
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="1.0">
<xsl:import href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"/>
<xsl:import href="http://docbook.sourceforge.net/release/xsl/current/xhtml/titlepage.xsl"/>
<!-- indent="yes" is just for the readability of the output and has no effect on test. -->
<xsl:output indent="yes"/>
</xsl:stylesheet>
I get the the following output (notice that all the section headings are <h1> (e.g. <h1 class="title"><a id="d0e16"/>sect4</h1>):
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml";>
<head>
<title>Foo</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.75.2"/>
</head>
<body>
<div class="book" title="Foo">
<div class="titlepage">
<div>
<div>
<h1 class="title">
<a id="d0e1"/>Foo</h1>
</div>
</div>
<hr/>
</div>
<div class="toc">
<p>
<b>Table of Contents</b>
</p>
<dl>
<dt>
<span class="chapter">
<a href="#d0e4">1. Chap</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="section">
<a href="#d0e7">sect1</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="section">
<a href="#d0e10">sect2</a>
</span>
</dt>
</dl>
</dd>
</dl>
</dd>
</dl>
</div>
<div class="chapter" title="Chapter 1. Chap">
<div class="titlepage">
<div>
<div>
<h1 class="title">
<a id="d0e4"/>Chap</h1>
</div>
</div>
</div>
<div class="toc">
<p>
<b>Table of Contents</b>
</p>
<dl>
<dt>
<span class="section">
<a href="#d0e7">sect1</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="section">
<a href="#d0e10">sect2</a>
</span>
</dt>
</dl>
</dd>
</dl>
</div>
<div class="section" title="sect1">
<div class="titlepage">
<div>
<div>
<h1 class="title">
<a id="d0e7"/>sect1</h1>
</div>
</div>
</div>
<div class="section" title="sect2">
<div class="titlepage">
<div>
<div>
<h1 class="title">
<a id="d0e10"/>sect2</h1>
</div>
</div>
</div>
<div class="section" title="sect3">
<div class="titlepage">
<div>
<div>
<h1 class="title">
<a id="d0e13"/>sect3</h1>
</div>
</div>
</div>
<div class="section" title="sect4">
<div class="titlepage">
<div>
<div>
<h1 class="title">
<a id="d0e16"/>sect4</h1>
</div>
</div>
</div>
<p>Foo</p>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
However if I reverse the order of the imports like so:
<xsl:stylesheet
xmlns="http://www.w3.org/1999/xhtml";
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="1.0">
<xsl:import href="http://docbook.sourceforge.net/release/xsl/current/xhtml/titlepage.xsl"/>
<xsl:import href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"/>
<!-- indent="yes" is just for the readability of the output and has no effect on test. -->
<xsl:output indent="yes"/>
</xsl:stylesheet>
I get the expected output (notice <h5 class="title"><a xmlns:saxon="http://icl.com/saxon"; id="d0e16"/>sect4</h5>):
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml";>
<head>
<title>Foo</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.75.2"/>
</head>
<body>
<div class="book" title="Foo">
<div class="titlepage">
<div>
<div>
<h1 class="title">
<a id="d0e1"/>Foo</h1>
</div>
</div>
<hr/>
</div>
<div class="toc">
<p>
<b>Table of Contents</b>
</p>
<dl>
<dt>
<span class="chapter">
<a href="#d0e4">1. Chap</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="section">
<a href="#d0e7">sect1</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="section">
<a href="#d0e10">sect2</a>
</span>
</dt>
</dl>
</dd>
</dl>
</dd>
</dl>
</div>
<div class="chapter" title="Chapter 1. Chap">
<div class="titlepage">
<div>
<div>
<h2 class="title">
<a xmlns:saxon="http://icl.com/saxon"; id="d0e4"/>Chapter 1. Chap</h2>
</div>
</div>
</div>
<div class="toc">
<p>
<b>Table of Contents</b>
</p>
<dl>
<dt>
<span class="section">
<a href="#d0e7">sect1</a>
</span>
</dt>
<dd>
<dl>
<dt>
<span class="section">
<a href="#d0e10">sect2</a>
</span>
</dt>
</dl>
</dd>
</dl>
</div>
<div class="section" title="sect1">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both">
<a xmlns:saxon="http://icl.com/saxon"; id="d0e7"/>sect1</h2>
</div>
</div>
</div>
<div class="section" title="sect2">
<div class="titlepage">
<div>
<div>
<h3 class="title">
<a xmlns:saxon="http://icl.com/saxon"; id="d0e10"/>sect2</h3>
</div>
</div>
</div>
<div class="section" title="sect3">
<div class="titlepage">
<div>
<div>
<h4 class="title">
<a xmlns:saxon="http://icl.com/saxon"; id="d0e13"/>sect3</h4>
</div>
</div>
</div>
<div class="section" title="sect4">
<div class="titlepage">
<div>
<div>
<h5 class="title">
<a xmlns:saxon="http://icl.com/saxon"; id="d0e16"/>sect4</h5>
</div>
</div>
</div>
<p>Foo</p>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
Thanks,
David
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