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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta charset="utf-8"/>
<meta name="generator" content="Docutils 0.17b.dev: http://docutils.sourceforge.net/" />
<title>docutils.sty</title>
<style type="text/css">

/* Minimal style sheet for the HTML output of Docutils.                    */
/*                                                                         */
/* :Author: Günter Milde, based on html4css1.css by David Goodger          */
/* :Id: $Id$               */
/* :Copyright: © 2015 Günter Milde.                                        */
/* :License: Released under the terms of the `2-Clause BSD license`_,      */
/*    in short:                                                            */
/*                                                                         */
/*    Copying and distribution of this file, with or without modification, */
/*    are permitted in any medium without royalty provided the copyright   */
/*    notice and this notice are preserved.                                */
/*                                                                         */
/*    This file is offered as-is, without any warranty.                    */
/*                                                                         */
/* .. _2-Clause BSD license: http://www.spdx.org/licenses/BSD-2-Clause     */

/* This CSS2.1_ stylesheet defines rules for Docutils elements without    */
/* HTML equivalent. It is required to make the document semantic visible. */
/*                                                                        */
/* .. _CSS2.1: http://www.w3.org/TR/CSS2                                  */
/* .. _validates: http://jigsaw.w3.org/css-validator/validator$link       */

/* alignment of text and inline objects inside block objects*/
.align-left   { text-align: left; }
.align-right  { text-align: right; }
.align-center { clear: both; text-align: center; }
.align-top    { vertical-align: top; }
.align-middle { vertical-align: middle; }
.align-bottom { vertical-align: bottom; }

/* titles */
h1.title, p.subtitle {
  text-align: center;
}
p.topic-title,
p.sidebar-title,
p.rubric,
p.admonition-title,
p.system-message-title {
  font-weight: bold;
}
h1 + p.subtitle,
h1 + p.section-subtitle {
  font-size: 1.6em;
}
h2 + p.section-subtitle { 
  font-size: 1.28em;
}
p.subtitle,
p.section-subtitle,
p.sidebar-subtitle {
  font-weight: bold;
  margin-top: -0.5em;
}
p.sidebar-title {
  font-size: larger;
}
p.rubric {
  font-size: larger;
  color: maroon;
}
a.toc-backref {
  color: black;
  text-decoration: none; }

/* Warnings, Errors */
div.system-messages h1,
span.problematic,
p.system-message-title {
  color: red;
}

/* inline literals */
span.docutils.literal {
  font-family: monospace;
  white-space: pre-wrap;
}
/* do not wraph at hyphens and similar: */
.literal > span.pre { white-space: nowrap; }

/* Lists */

/* compact and simple lists: no margin between items */
.simple  li, .compact li,
.simple  ul, .compact ul,
.simple  ol, .compact ol,
.simple > li p, .compact > li p,
dl.simple > dd, dl.compact > dd {
  margin-top: 0;
  margin-bottom: 0;
}

/* Table of Contents */
div.topic.contents { margin: 0.5em 0; }
div.topic.contents ul {
  list-style-type: none;
  padding-left: 1.5em;
}

/* Enumerated Lists */
ol.arabic     { list-style: decimal }
ol.loweralpha { list-style: lower-alpha }
ol.upperalpha { list-style: upper-alpha }
ol.lowerroman { list-style: lower-roman }
ol.upperroman { list-style: upper-roman }

dt span.classifier { font-style: italic }
dt span.classifier:before {
  font-style: normal;
  margin: 0.5em;
  content: ":";
}

/* Field Lists and drivatives */
/* bold field name, content starts on the same line */
dl.field-list > dt,
dl.option-list > dt,
dl.docinfo > dt,
dl.footnote > dt,
dl.citation > dt {
  font-weight: bold;
  clear: left;
  float: left;
  margin: 0;
  padding: 0;
  padding-right: 0.5em;
}
/* Offset for field content (corresponds to the --field-name-limit option) */
dl.field-list > dd,
dl.option-list > dd,
dl.docinfo > dd {
  margin-left:  9em; /* ca. 14 chars in the test examples */
}
/* start field-body on a new line after long field names */
dl.field-list > dd > *:first-child,
dl.option-list > dd > *:first-child
{
  display: inline-block;
  width: 100%;
  margin: 0;
}
/* field names followed by a colon */
dl.field-list > dt:after,
dl.docinfo > dt:after {
  content: ":";
}

/* Bibliographic Fields (docinfo) */
pre.address { font: inherit; }
dd.authors > p { margin: 0; }

/* Option Lists */
dl.option-list { margin-left: 1.5em; }
dl.option-list > dt { font-weight: normal; }
span.option { white-space: nowrap; }

/* Footnotes and Citations  */
dl.footnote.superscript > dd {margin-left: 1em; }
dl.footnote.brackets > dd {margin-left: 2em; }
dl > dt.label { font-weight: normal; }
a.footnote-reference.brackets:before,
dt.label > span.brackets:before { content: "["; }
a.footnote-reference.brackets:after,
dt.label > span.brackets:after { content: "]"; }
a.footnote-reference.superscript,
dl.footnote.superscript > dt.label {
  vertical-align: super;
  font-size: smaller;
}
dt.label > span.fn-backref { margin-left: 0.2em; }
dt.label > span.fn-backref > a { font-style: italic; }

/* Line Blocks */
div.line-block { display: block; }
div.line-block div.line-block {
  margin-top: 0;
  margin-bottom: 0;
  margin-left: 40px;
}

/* Figures, Images, and Tables */
.figure.align-left,
figure.align-left,
img.align-left,
object.align-left,
table.align-left {
  margin-right: auto;
}
.figure.align-center,
figure.align-center,
img.align-center,
object.align-center,
table.align-center {
  margin-left: auto;
  margin-right: auto;
}
.figure.align-right,
figure.align-right,
img.align-right,
object.align-right,
table.align-right {
  margin-left: auto;
}
img.align-center, img.align-right,
object.align-center, object.align-right {
  display: block;
}
/* reset inner alignment in figures and tables */
.figure.align-left, .figure.align-right,
figure.align-left, figure.align-right,
table.align-left, table.align-center, table.align-right {
  text-align: inherit;
}

/* Sidebar */
aside.sidebar {
  width: 30%;
  max-width: 26em;
  float: right;
  clear: right;
}

/* Text Blocks */
blockquote,
div.topic,
div.admonition,
div.system-message,
pre.literal-block,
pre.doctest-block,
pre.math,
pre.code {
  margin-left: 1.5em;
  margin-right: 1.5em;
}
pre.code .ln { color: gray; } /* line numbers */

/* Tables */
table { border-collapse: collapse; }
td, th {
  border-style: solid;
  border-color: silver;
  padding: 0 1ex;
  border-width: thin;
}
td > p:first-child, th > p:first-child { margin-top: 0; }
td > p, th > p { margin-bottom: 0; }

table > caption {
  text-align: left;
  margin-bottom: 0.25em
}

table.borderless td, table.borderless th {
  border: 0;
  padding: 0;
  padding-right: 0.5em /* separate table cells */
}

/* Document Header and Footer */
header { border-bottom: 1px solid black; }
footer { border-top: 1px solid black; }

/* new HTML5 block elements: set display for older browsers */
header, section, footer, aside, nav, main, article, figure {
  display: block;
}

</style>
<style type="text/css">

/* CSS31_ style sheet for the output of Docutils HTML writers.             */
/* Rules for easy reading and pre-defined style variants.                  */
/*                                                                         */
/* :Author: Günter Milde, based on html4css1.css by David Goodger          */
/* :Id: $Id$                                                               */
/* :Copyright: © 2015 Günter Milde.                                        */
/* :License: Released under the terms of the `2-Clause BSD license`_,      */
/*    in short:                                                            */
/*                                                                         */
/*    Copying and distribution of this file, with or without modification, */
/*    are permitted in any medium without royalty provided the copyright   */
/*    notice and this notice are preserved.                                */
/*                                                                         */
/*    This file is offered as-is, without any warranty.                    */
/*                                                                         */
/* .. _2-Clause BSD license: http://www.spdx.org/licenses/BSD-2-Clause     */
/* .. _CSS3: http://www.w3.org/TR/CSS3                                     */


/* Document Structure */
/* ****************** */

/* "page layout" */
body {
  margin: 0;
  background-color: #dbdbdb;
}
div.document,
main {
  line-height:1.3;
  counter-reset: table figure;
  /* avoid long lines --> better reading */
  /* optimum is 45…75 characters/line <http://webtypography.net/2.1.2> */ 
  /* OTOH: lines should not be too short because of missing hyphenation, */
  max-width: 50em; 
  padding: 1px 2%; /* 1px on top avoids grey bar above title (mozilla) */
  margin: auto;
  background-color: white;
}

/* Sections */

/* Transitions */

hr.docutils {
  width: 80%;
  margin-top: 1em;
  margin-bottom: 1em;
  clear: both;
}

/* Paragraphs */
/* ========== */

/* vertical space (parskip) */
p, ol, ul, dl, li, dd,
div.line-block,
div.topic,
table {
  margin-top: 0.5em;
  margin-bottom: 0.5em;
}
p:first-child { margin-top: 0; }
/* (:last-child is new in CSS 3) */
p:last-child  { margin-bottom: 0; }

h1, h2, h3, h4, h5, h6,
dl > dd {
  margin-bottom: 0.5em;
}

/* Lists */
/* ===== */

/* Separate list entries in compound lists */
dl > dd, ol > li,

/* Definition Lists */
/* Indent lists nested in definition lists */
/* (:only-child is new in CSS 3)           */
dd > ul:only-child, dd > ol:only-child { padding-left: 1em; }

/* Description Lists */
/* styled like in most dictionaries, encyclopedias etc. */
dl.description > dt {
  font-weight: bold;
  clear: left;
  float: left;
  margin: 0;
  padding: 0;
  padding-right: 0.5em;
}

/* Field Lists */

/* example for custom field-name width */
dl.field-list.narrow > dd {
  margin-left: 5em;
}
/* run-in: start field-body on same line after long field names */
dl.field-list.run-in > dd p {
  display: block;
}

/* Bibliographic Fields */

/* generally, bibliographic fields use special definition list dl.docinfo */
/* but dedication and abstract are placed into "topic" divs */
div.abstract p.topic-title {
  text-align: center;
}
div.dedication {
  margin: 2em 5em;
  text-align: center;
  font-style: italic;
}
div.dedication p.topic-title {
  font-style: normal;
}

/* Citations */
dl.citation dt.label {
  font-weight: bold;
}
span.fn-backref {
  font-weight: normal;
}

/* Text Blocks */
/* =========== */

/* Literal Blocks */

pre.literal-block,
pre.doctest-block,
pre.math,
pre.code {
  font-family: monospace;
}

/* Block Quotes */

blockquote > table,
div.topic > table {
  margin-top: 0;
  margin-bottom: 0;
}
blockquote p.attribution,
div.topic p.attribution {
  text-align: right;
  margin-left: 20%;
}

/* Tables */
/* ====== */

/* th { vertical-align: bottom; } */

table tr { text-align: left; }

/* "booktabs" style (no vertical lines) */
table.booktabs {
  border: 0;
  border-top: 2px solid;
  border-bottom: 2px solid;
  border-collapse: collapse;
}
table.booktabs * {
  border: 0;
}
table.booktabs th {
  border-bottom: thin solid;
}

/* numbered tables (counter defined in div.document) */
table.numbered > caption:before {
  counter-increment: table;
  content: "Table " counter(table) ": ";
  font-weight: bold;
}

/* Explicit Markup Blocks */
/* ====================== */

/* Footnotes and Citations */
/* ----------------------- */

/* line on the left */
dl.footnote {
  padding-left: 1ex;
  border-left: solid;
  border-left-width: thin;
}

/* Directives */
/* ---------- */

/* Body Elements */
/* ~~~~~~~~~~~~~ */

/* Images and Figures */

/* let content flow to the side of aligned images and figures */
.figure.align-left,
figure.align-left,
img.align-left,
object.align-left {
  display: block;
  clear: left;
  float: left;
  margin-right: 1em;
}
.figure.align-right,
figure.align-right,
img.align-right,
object.align-right {
  display: block;
  clear: right;
  float: right;
  margin-left: 1em;
}
/* Stop floating sidebars, images and figures at section level 1,2,3 */
h1, h2, h3 { clear: both; }

/* Numbered figures */
figure.numbered > figcaption > p:before {
  counter-increment: figure;
  content: "Figure " counter(figure) ": ";
  font-weight: bold;
}


/* Admonitions and System Messages */

div.admonition,
div.system-message,
aside.sidebar {
  border: medium outset;
  margin: 1em 1.5em;
  padding: 0.5em 1em;
}

div.caution p.admonition-title,
div.attention p.admonition-title,
div.danger p.admonition-title,
div.error p.admonition-title,
div.warning p.admonition-title,
div.error {
  color: red;
}


/* Sidebar */

/* Move right. In a layout with fixed margins, */
/* it can be moved into the margin.            */
div.sidebar,
aside.sidebar {
  width: 30%;
  max-width: 26em;
  margin-left: 1em;
  margin-right: -2%;
  background-color: #ffffee;
}

/* Code */

pre.code { padding: 0.7ex }
pre.code, code { background-color: #eeeeee }
pre.code .ln { color: gray; } /* line numbers */
/* basic highlighting: for a complete scheme, see */
/* http://docutils.sourceforge.net/sandbox/stylesheets/ */
pre.code .comment, code .comment { color: #5C6576 }
pre.code .keyword, code .keyword { color: #3B0D06; font-weight: bold }
pre.code .literal.string, code .literal.string { color: #0C5404 }
pre.code .name.builtin, code .name.builtin { color: #352B84 }
pre.code .deleted, code .deleted { background-color: #DEB0A1}
pre.code .inserted, code .inserted { background-color: #A3D289}

/* Math */
/* styled separately (see math.css for math-output=HTML) */

/* Epigraph           */
/* Highlights         */
/* Pull-Quote         */
/* Compound Paragraph */
/* Container          */

/* Document Header and Footer */

footer, header {
  font-size: smaller;
  clear: both;
  padding: 0.5em 2%;
  background-color: #ebebee;
  border: none;
}

/* Inline Markup */
/* ============= */

/* Emphasis           */
/*   em               */
/* Strong Emphasis    */
/*   strong           */
/* Interpreted Text   */
/*   span.interpreted */
/* Title Reference    */
/*   cite             */

/* Inline Literals                                          */
/* possible values: normal, nowrap, pre, pre-wrap, pre-line */
/*   span.docutils.literal { white-space: pre-wrap; }       */

/* Hyperlink References */
a { text-decoration: none; }

/* External Targets       */
/*   span.target.external */
/* Internal Targets       */
/*   span.target.internal */
/* Footnote References    */
/*   a.footnote-reference */
/* Citation References    */
/*   a.citation-reference */

</style>
</head>
<body>
<main id="docutils-sty">
<h1 class="title">docutils.sty</h1>

<!-- %% docutils.sty: macros for Docutils LaTeX output.
%%
%%   Copyright © 2020 Günter Milde
%%   Released under the terms of the `2-Clause BSD license`, in short:
%%
%%      Copying and distribution of this file, with or without modification,
%%      are permitted in any medium without royalty provided the copyright
%%      notice and this notice are preserved.
%%      This file is offered as-is, without any warranty. -->
<p>Helper commands and element definitions for <a class="reference external" href="https://docutils.sourceforge.io/">Docutils</a> LaTeX output.</p>
<dl class="field-list simple">
<dt>Copyright</dt>
<dd><p>© 2020 Günter Milde</p>
</dd>
<dt>Licence</dt>
<dd><p>Released under the terms of the <a class="reference external" href="https://opensource.org/licenses/BSD-2-Clause">2-Clause BSD license</a></p>
</dd>
</dl>
<section id="changelog">
<h2>Changelog</h2>
<div class="line-block">
<div class="line">2020-08-28  first public version for Docutils &gt;= 0.17</div>
</div>
</section>
<section id="requirements">
<h2>Requirements</h2>
<p>None.</p>
</section>
<section id="installation">
<h2>Installation</h2>
<p>If possible, get this package from your distribution using its
installation manager. Alternatively, copy/move/link <span class="docutils literal">docutils.sty</span>
to a place where LaTeX can find it.</p>
</section>
<section id="usage">
<h2>Usage</h2>
<p>The package is intended for use with LaTeX documents generated from
<a class="reference external" href="https://en.wikipedia.org/wiki/ReStructuredText">reStructuredText</a> sources with <a class="reference external" href="https://docutils.sourceforge.io/">Docutils</a>.</p>
<p>When generating LaTeX documents, specify this package with the
<a class="reference external" href="https://docutils.sourceforge.io/docs/user/config.html#stylesheet-latex-writers">“stylesheet”</a> <a class="reference external" href="https://docutils.sourceforge.io/docs/user/config.html">configuration option</a>, e.g.</p>
<pre class="literal-block">rst2latex --stylesheet=docutils exampledocument.txt</pre>
<p>The the Docutils <cite>LaTeX writer</cite> will then reference this package
istead of inserting required definitions into the preamble of
generated documents (see the <a class="reference external" href="https://docutils.sourceforge.io/docs/user/latex.html">Docutils LaTeX Writer documentation</a>
for details).</p>
</section>
<section id="documentation-generation">
<h2>Documentation Generation</h2>
<p>The bidirectional text &lt;-&gt; code converter <a class="reference external" href="https://repo.or.cz/pylit.git">PyLit</a> and <a class="reference external" href="https://docutils.sourceforge.io/">Docutils</a>
were used to generate the HTML documentation:</p>
<pre class="literal-block">#&gt; pylit docutils.sty
#&gt; rst2html5 docutils.sty.txt docutils.sty.html</pre>
</section>
<section id="implementation">
<h2>Implementation</h2>
<section id="identification">
<h3>Identification</h3>
<pre class="literal-block">\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{docutils}
  [2020/08/28 macros for Docutils LaTeX output]</pre>
</section>
<section id="helpers">
<h3>Helpers</h3>
<p>duclass:</p>
<pre class="literal-block">% class handling for environments (block-level elements)
% \begin{DUclass}{spam} tries \DUCLASSspam and
% \end{DUclass}{spam} tries \endDUCLASSspam
\ifx\DUclass\undefined % poor man's &quot;provideenvironment&quot;
 \newenvironment{DUclass}[1]%
  {% &quot;#1&quot; does not work in end-part of environment.
   \def\DocutilsClassFunctionName{DUCLASS#1}
     \csname \DocutilsClassFunctionName \endcsname}%
  {\csname end\DocutilsClassFunctionName \endcsname}%
\fi</pre>
<p>providelength:</p>
<pre class="literal-block">% Provide a length variable and set default, if it is new
\providecommand*{\DUprovidelength}[2]{
  \ifthenelse{\isundefined{#1}}{\newlength{#1}\setlength{#1}{#2}}{}
}</pre>
</section>
<section id="configuration-defaults">
<h3>Configuration defaults</h3>
<p>See the <a class="reference external" href="https://docutils.sourceforge.io/docs/user/latex.html">Docutils LaTeX Writer documentation</a> for details.</p>
<p>abstract:</p>
<pre class="literal-block">\providecommand*{\DUCLASSabstract}{
  \renewcommand{\DUtitle}[1]{\centerline{\textbf{##1}}}
}</pre>
<p>dedication:</p>
<pre class="literal-block">% special topic for dedications
\providecommand*{\DUCLASSdedication}{%
  \renewenvironment{quote}{\begin{center}}{\end{center}}%
}</pre>
<p>TODO: add em to set dedication text in italics?</p>
<p>docinfo:</p>
<pre class="literal-block">% width of docinfo table
\DUprovidelength{\DUdocinfowidth}{0.9\linewidth}</pre>
<p>error:</p>
<pre class="literal-block">\providecommand*{\DUCLASSerror}{\color{red}}</pre>
<p>highlight_rules:</p>
<pre class="literal-block">% basic code highlight:
\providecommand*\DUrolecomment[1]{\textcolor[rgb]{0.40,0.40,0.40}{#1}}
\providecommand*\DUroledeleted[1]{\textcolor[rgb]{0.40,0.40,0.40}{#1}}
\providecommand*\DUrolekeyword[1]{\textbf{#1}}
\providecommand*\DUrolestring[1]{\textit{#1}}</pre>
</section>
<section id="elements">
<h3>Elements</h3>
<p>Definitions for unknown or to-be-configured Docutils elements.</p>
<p>admonition:</p>
<pre class="literal-block">% admonition environment (specially marked topic)
\ifx\DUadmonition\undefined % poor man's &quot;provideenvironment&quot;
 \newbox{\DUadmonitionbox}
 \newenvironment{DUadmonition}%
  {\begin{center}
     \begin{lrbox}{\DUadmonitionbox}
       \begin{minipage}{0.9\linewidth}
  }%
  {    \end{minipage}
     \end{lrbox}
     \fbox{\usebox{\DUadmonitionbox}}
   \end{center}
  }
\fi</pre>
<p>fieldlist:</p>
<pre class="literal-block">% field list environment (for separate configuration of `field lists`)
\ifthenelse{\isundefined{\DUfieldlist}}{
  \newenvironment{DUfieldlist}%
    {\quote\description}
    {\enddescription\endquote}
}{}</pre>
<p>footnotes:</p>
<pre class="literal-block">% numerical or symbol footnotes with hyperlinks and backlinks
\providecommand*{\DUfootnotemark}[3]{%
  \raisebox{1em}{\hypertarget{#1}{}}%
  \hyperlink{#2}{\textsuperscript{#3}}%
}
\providecommand{\DUfootnotetext}[4]{%
  \begingroup%
  \renewcommand{\thefootnote}{%
    \protect\raisebox{1em}{\protect\hypertarget{#1}{}}%
    \protect\hyperlink{#2}{#3}}%
  \footnotetext{#4}%
  \endgroup%
}</pre>
<p>inline:</p>
<pre class="literal-block">% custom inline roles: \DUrole{#1}{#2} tries \DUrole#1{#2}
\providecommand*{\DUrole}[2]{%
  \ifcsname DUrole#1\endcsname%
    \csname DUrole#1\endcsname{#2}%
  \else%
    #2%
  \fi%
}</pre>
<p>legend:</p>
<pre class="literal-block">% legend environment (in figures and formal tables)
\ifthenelse{\isundefined{\DUlegend}}{
  \newenvironment{DUlegend}{\small}{}
}{}</pre>
<p>lineblock:</p>
<pre class="literal-block">% line block environment
\DUprovidelength{\DUlineblockindent}{2.5em}
\ifthenelse{\isundefined{\DUlineblock}}{
  \newenvironment{DUlineblock}[1]{%
    \list{}{\setlength{\partopsep}{\parskip}
            \addtolength{\partopsep}{\baselineskip}
            \setlength{\topsep}{0pt}
            \setlength{\itemsep}{0.15\baselineskip}
            \setlength{\parsep}{0pt}
            \setlength{\leftmargin}{#1}}
    \raggedright
  }
  {\endlist}
}{}</pre>
<p>optionlist:</p>
<pre class="literal-block">% list of command line options
\providecommand*{\DUoptionlistlabel}[1]{\bfseries #1 \hfill}
\DUprovidelength{\DUoptionlistindent}{3cm}
\ifthenelse{\isundefined{\DUoptionlist}}{
  \newenvironment{DUoptionlist}{%
    \list{}{\setlength{\labelwidth}{\DUoptionlistindent}
            \setlength{\rightmargin}{1cm}
            \setlength{\leftmargin}{\rightmargin}
            \addtolength{\leftmargin}{\labelwidth}
            \addtolength{\leftmargin}{\labelsep}
            \renewcommand{\makelabel}{\DUoptionlistlabel}}
  }
  {\endlist}
}{}</pre>
<p>rubric:</p>
<pre class="literal-block">% informal heading
\providecommand*{\DUrubric}[1]{\subsubsection*{\emph{#1}}}</pre>
<p>sidebar:</p>
<pre class="literal-block">% text outside the main text flow
\providecommand{\DUsidebar}[1]{%
  \begin{center}
    \colorbox[gray]{0.80}{\parbox{0.9\linewidth}{#1}}
  \end{center}
}</pre>
<p>title:</p>
<pre class="literal-block">% title for topics, admonitions, unsupported section levels, and sidebar
\providecommand*{\DUtitle}[1]{\subsubsection*{#1}}</pre>
<p>subtitle:</p>
<pre class="literal-block">% subtitle (for sidebar)
\providecommand*{\DUsubtitle}[1]{\par\emph{#1}\smallskip}</pre>
<p>documentsubtitle:</p>
<pre class="literal-block">% subtitle (in document title)
\providecommand*{\DUdocumentsubtitle}[1]{{\large #1}}</pre>
<p>titlereference:</p>
<pre class="literal-block">% titlereference standard role
\providecommand*{\DUroletitlereference}[1]{\textsl{#1}}</pre>
<p>transition:</p>
<pre class="literal-block">% transition (break / fancybreak / anonymous section)
\providecommand*{\DUtransition}{%
  \hspace*{\fill}\hrulefill\hspace*{\fill}
  \vskip 0.5\baselineskip
}</pre>
</section>
</section>
</main>
</body>
</html>