Merge branch 'slidifyMarkdown' of https://github.com/webpro/reveal.js into dev
This commit is contained in:
Hakim El Hattab
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demo.md
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demo.md
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# External markdown
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## Slide 1.1
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Content 1.1
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## Slide 1.2
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Content 1.2
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## Slide 2
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Content 2.1
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## Slide 3.1
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Content 3.1
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## Slide 3.2
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Content 3.2
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index-markdown.html
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index-markdown.html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>reveal.js - The HTML Presentation Framework</title>
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<meta name="description" content="A framework for easily creating beautiful presentations using HTML">
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<meta name="author" content="Hakim El Hattab">
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<meta name="apple-mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
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<link rel="stylesheet" href="css/reveal.css">
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<link rel="stylesheet" href="css/theme/default.css" id="theme">
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<!-- For syntax highlighting -->
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<link rel="stylesheet" href="lib/css/zenburn.css">
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<!-- If the query includes 'print-pdf', use the PDF print sheet -->
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<script>
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document.write( '<link rel="stylesheet" href="css/print/' + ( window.location.search.match( /print-pdf/gi ) ? 'pdf' : 'paper' ) + '.css" type="text/css" media="print">' );
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</script>
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<!--[if lt IE 9]>
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<script src="lib/js/html5shiv.js"></script>
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<![endif]-->
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</head>
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<body>
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<div class="reveal">
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<!-- Any section element inside of this container is displayed as a slide -->
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<div class="slides">
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<!-- Use external markdown resource, and separate slides by three newlines; vertical slides by two newlines -->
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<section data-markdown="demo.md" data-separator="^\n\n\n" data-vertical="^\n\n"></section>
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<!-- Slides are separated by three dashes (quick 'n dirty regular expression) -->
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<section data-markdown data-separator="---">
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<script type="text/template">
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Slide 1
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---
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Slide 2
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---
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Slide 3
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</script>
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</section>
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<!-- Slides are separated by newline + three dashes + newline, vertical slides identical but two dashes -->
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<section data-markdown data-separator="^\n---\n$" data-vertical="^\n--\n$">
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<script type="text/template">
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Slide 1.1
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--
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Slide 1.2
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---
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Slide 2
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</script>
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</section>
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<!-- No "extra" slides, since there are no separators defined (so they'll become horizontal rulers) -->
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<section data-markdown>
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<script type="text/template">
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A
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---
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B
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---
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C
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</script>
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</section>
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</div>
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</div>
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<script src="lib/js/head.min.js"></script>
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<script src="js/reveal.js"></script>
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<script>
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// Full list of configuration options available here:
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// https://github.com/hakimel/reveal.js#configuration
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Reveal.initialize({
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controls: true,
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progress: true,
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history: true,
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center: true,
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theme: Reveal.getQueryHash().theme, // available themes are in /css/theme
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transition: Reveal.getQueryHash().transition || 'default', // default/cube/page/concave/zoom/linear/fade/none
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// Optional libraries used to extend on reveal.js
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dependencies: [
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{ src: 'lib/js/classList.js', condition: function() { return !document.body.classList; } },
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{ src: 'plugin/markdown/showdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: 'plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: 'plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
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{ src: 'plugin/zoom-js/zoom.js', async: true, condition: function() { return !!document.body.classList; } },
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{ src: 'plugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } }
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// { src: 'plugin/remotes/remotes.js', async: true, condition: function() { return !!document.body.classList; } }
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]
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});
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</script>
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</body>
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</html>
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@@ -6,11 +6,7 @@
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throw 'The reveal.js Markdown plugin requires Showdown to be loaded';
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}
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var sections = document.querySelectorAll( '[data-markdown]' );
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for( var i = 0, len = sections.length; i < len; i++ ) {
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var section = sections[i];
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var notes = section.querySelector( 'aside.notes' );
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var stripLeadingWhitespace = function(section) {
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var template = section.querySelector( 'script' );
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@@ -27,11 +23,125 @@
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text = text.replace( new RegExp('\\n? {' + leadingWs + '}','g'), '\n' );
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}
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section.innerHTML = (new Showdown.converter()).makeHtml(text);
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return text;
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};
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var slidifyMarkdown = function(markdown, separator, vertical) {
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separator = separator || '^\n---\n$';
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var reSeparator = new RegExp(separator + (vertical ? '|' + vertical : ''), 'mg'),
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reHorSeparator = new RegExp(separator),
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matches,
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lastIndex = 0,
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isHorizontal,
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wasHorizontal = true,
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content,
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sectionStack = [],
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markdownSections = '';
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// iterate until all blocks between separators are stacked up
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while( matches = reSeparator.exec(markdown) ) {
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// determine direction (horizontal by default)
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isHorizontal = reHorSeparator.test(matches[0]);
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if( !isHorizontal && wasHorizontal ) {
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// create vertical stack
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sectionStack.push([]);
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}
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// pluck slide content from markdown input
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content = markdown.substring(lastIndex, matches.index);
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if( isHorizontal && wasHorizontal ) {
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// add to horizontal stack
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sectionStack.push(content);
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} else {
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// add to vertical stack
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sectionStack[sectionStack.length-1].push(content);
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}
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lastIndex = reSeparator.lastIndex;
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wasHorizontal = isHorizontal;
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}
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// add the remaining slide
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(wasHorizontal ? sectionStack : sectionStack[sectionStack.length-1]).push(markdown.substring(lastIndex));
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// flatten the hierarchical stack, and insert <section data-markdown> tags
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for( var k = 0, klen = sectionStack.length; k < klen; k++ ) {
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markdownSections += typeof sectionStack[k] === 'string'
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? '<section data-markdown>' + sectionStack[k] + '</section>'
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: '<section><section data-markdown>' + sectionStack[k].join('</section><section data-markdown>') + '</section></section>';
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}
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return markdownSections;
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};
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var querySlidingMarkdown = function() {
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var sections = document.querySelectorAll( '[data-markdown]'),
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section;
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for( var j = 0, jlen = sections.length; j < jlen; j++ ) {
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section = sections[j];
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if( section.getAttribute('data-markdown').length ) {
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var xhr = new XMLHttpRequest(),
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url = section.getAttribute('data-markdown');
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xhr.onreadystatechange = function () {
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if( xhr.readyState === 4 ) {
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section.outerHTML = slidifyMarkdown( xhr.responseText, section.getAttribute('data-separator'), section.getAttribute('data-vertical') );
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}
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};
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xhr.open('GET', url, false);
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xhr.send();
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} else if( section.getAttribute('data-separator') ) {
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var markdown = stripLeadingWhitespace(section);
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section.outerHTML = slidifyMarkdown( markdown, section.getAttribute('data-separator'), section.getAttribute('data-vertical') );
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}
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}
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};
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var queryMarkdownSlides = function() {
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var sections = document.querySelectorAll( '[data-markdown]');
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for( var j = 0, jlen = sections.length; j < jlen; j++ ) {
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makeHtml(sections[j]);
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}
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};
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var makeHtml = function(section) {
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var notes = section.querySelector( 'aside.notes' );
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var markdown = stripLeadingWhitespace(section);
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section.innerHTML = (new Showdown.converter()).makeHtml(markdown);
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if( notes ) {
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section.appendChild( notes );
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}
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}
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})();
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};
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querySlidingMarkdown();
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queryMarkdownSlides();
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})();
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