documentation for multi-instance initialization
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Hakim El Hattab
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README.md
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README.md
@ -14,12 +14,8 @@ This project was started and is maintained by [@hakimel](https://github.com/haki
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- [Installation](#installation)
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- [Basic setup](#basic-setup)
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- [Full setup](#full-setup)
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- [Folder Structure](#folder-structure)
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- [Instructions](#instructions)
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- [Markup](#markup)
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- [Markdown](#markdown)
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- [Element Attributes](#element-attributes)
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- [Slide Attributes](#slide-attributes)
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- [Initialization](#initialization)
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- [Configuration](#configuration)
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- [Presentation Size](#presentation-size)
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- [Dependencies](#dependencies)
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@ -49,6 +45,10 @@ This project was started and is maintained by [@hakimel](https://github.com/haki
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- [Stretching elements](#stretching-elements)
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- [Resize Event](#resize-event)
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- [postMessage API](#postmessage-api)
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- [Markdown](#markdown)
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- [External Markdown](#external-markdown)
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- [Element Attributes](#element-attributes)
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- [Slide Attributes](#slide-attributes)
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- [PDF Export](#pdf-export)
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- [Theming](#theming)
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- [Speaker Notes](#speaker-notes)
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@ -98,14 +98,9 @@ Some reveal.js features, like external Markdown and speaker notes, require that
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$ git clone https://github.com/hakimel/reveal.js.git
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```
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1. Navigate to the reveal.js folder
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1. Move to the reveal.js folder and install dependencies
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```sh
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$ cd reveal.js
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```
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1. Install dependencies
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```sh
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$ npm install
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$ cd reveal.js && npm install
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```
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1. Serve the presentation and monitor source files for changes
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@ -117,17 +112,7 @@ Some reveal.js features, like external Markdown and speaker notes, require that
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You can change the port by using `npm start -- --port=8001`.
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### Folder Structure
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- **css/** Core styles without which the project does not function
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- **js/** Like above but for JavaScript
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- **plugin/** Components that have been developed as extensions to reveal.js
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- **lib/** All other third party assets (JavaScript, CSS, fonts)
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## Instructions
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### Markup
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## Markup
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Here's a barebones example of a fully working reveal.js presentation:
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```html
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@ -165,79 +150,35 @@ The presentation markup hierarchy needs to be `.reveal > .slides > section` wher
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</div>
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```
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### Markdown
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It's also possible to write presentations using [Markdown](#markdown).
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It's possible to write your slides using Markdown. To enable Markdown, add the `data-markdown` attribute to your `<section>` elements and wrap the contents in a `<textarea data-template>` like the example below. You'll also need to add the `plugin/markdown/marked.js` and `plugin/markdown/markdown.js` scripts (in that order) to your HTML file. _Note: both these dependencies are already included in the default `index.html`._
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### Initialization
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This is based on [data-markdown](https://gist.github.com/1343518) from [Paul Irish](https://github.com/paulirish) modified to use [marked](https://github.com/chjj/marked) to support [GitHub Flavored Markdown](https://help.github.com/articles/github-flavored-markdown). Sensitive to indentation (avoid mixing tabs and spaces) and line breaks (avoid consecutive breaks).
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```html
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<section data-markdown>
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<textarea data-template>
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## Page title
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A paragraph with some text and a [link](http://hakim.se).
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</textarea>
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</section>
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If you only have a single presentation on the page we recommend initializing reveal.js using the singleton API.
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```js
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Reveal.initialize({ keyboard: true });
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```
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#### External Markdown
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You can write your content as a separate file and have reveal.js load it at runtime. Note the separator arguments which determine how slides are delimited in the external file: the `data-separator` attribute defines a regular expression for horizontal slides (defaults to `^\r?\n---\r?\n$`, a newline-bounded horizontal rule) and `data-separator-vertical` defines vertical slides (disabled by default). The `data-separator-notes` attribute is a regular expression for specifying the beginning of the current slide's speaker notes (defaults to `notes?:`, so it will match both "note:" and "notes:"). The `data-charset` attribute is optional and specifies which charset to use when loading the external file.
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When used locally, this feature requires that reveal.js [runs from a local web server](#full-setup). The following example customises all available options:
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```html
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<section data-markdown="example.md"
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data-separator="^\n\n\n"
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data-separator-vertical="^\n\n"
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data-separator-notes="^Note:"
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data-charset="iso-8859-15">
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<!--
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Note that Windows uses `\r\n` instead of `\n` as its linefeed character.
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For a regex that supports all operating systems, use `\r?\n` instead of `\n`.
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-->
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</section>
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The `initialize` method returns a promise which will resolve as soon as the presentation is ready and can be interacted with via the API.
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```js
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Reveal.initialize.then( () => {
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// reveal.js is ready
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} )
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```
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#### Element Attributes
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Special syntax (through HTML comments) is available for adding attributes to Markdown elements. This is useful for fragments, amongst other things.
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If you want to run multiple presentations side-by-side on the same page you can create instances of the Reveal class. Note that you will also need to set the `embedded` config option to true.
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```html
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<section data-markdown>
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<script type="text/template">
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- Item 1 <!-- .element: class="fragment" data-fragment-index="2" -->
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- Item 2 <!-- .element: class="fragment" data-fragment-index="1" -->
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<div class="reveal deck-1">...</div>
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<div class="reveal deck-2">...</div>
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<script type="module">
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import Reveal from 'js/reveal.js';
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let deck1 = new Reveal( document.querySelector( 'deck-1' ), { embedded: true } );
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let deck2 = new Reveal( document.querySelector( 'deck-2' ), { embedded: true } );
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deck1.initialize();
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deck2.initialize();
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</script>
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</section>
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```
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#### Slide Attributes
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Special syntax (through HTML comments) is available for adding attributes to the slide `<section>` elements generated by your Markdown.
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```html
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<section data-markdown>
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<script type="text/template">
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<!-- .slide: data-background="#ff0000" -->
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Markdown content
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</script>
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</section>
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```
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#### Configuring *marked*
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We use [marked](https://github.com/chjj/marked) to parse Markdown. To customise marked's rendering, you can pass in options when [configuring Reveal](#configuration):
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```javascript
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Reveal.initialize({
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// Options which are passed into marked
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// See https://marked.js.org/#/USING_ADVANCED.md#options
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markdown: {
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smartypants: true
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}
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});
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```
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### Configuration
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@ -1253,6 +1194,80 @@ Reveal.initialize({
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});
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```
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## Markdown
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It's possible to write your slides using Markdown. To enable Markdown, add the `data-markdown` attribute to your `<section>` elements and wrap the contents in a `<textarea data-template>` like the example below. You'll also need to add the `plugin/markdown/marked.js` and `plugin/markdown/markdown.js` scripts (in that order) to your HTML file. _Note: both these dependencies are already included in the default `index.html`._
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This is based on [data-markdown](https://gist.github.com/1343518) from [Paul Irish](https://github.com/paulirish) modified to use [marked](https://github.com/chjj/marked) to support [GitHub Flavored Markdown](https://help.github.com/articles/github-flavored-markdown). Sensitive to indentation (avoid mixing tabs and spaces) and line breaks (avoid consecutive breaks).
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```html
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<section data-markdown>
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<textarea data-template>
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## Page title
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A paragraph with some text and a [link](http://hakim.se).
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</textarea>
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</section>
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```
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### External Markdown
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You can write your content as a separate file and have reveal.js load it at runtime. Note the separator arguments which determine how slides are delimited in the external file: the `data-separator` attribute defines a regular expression for horizontal slides (defaults to `^\r?\n---\r?\n$`, a newline-bounded horizontal rule) and `data-separator-vertical` defines vertical slides (disabled by default). The `data-separator-notes` attribute is a regular expression for specifying the beginning of the current slide's speaker notes (defaults to `notes?:`, so it will match both "note:" and "notes:"). The `data-charset` attribute is optional and specifies which charset to use when loading the external file.
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When used locally, this feature requires that reveal.js [runs from a local web server](#full-setup). The following example customises all available options:
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```html
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<section data-markdown="example.md"
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data-separator="^\n\n\n"
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data-separator-vertical="^\n\n"
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data-separator-notes="^Note:"
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data-charset="iso-8859-15">
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<!--
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Note that Windows uses `\r\n` instead of `\n` as its linefeed character.
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For a regex that supports all operating systems, use `\r?\n` instead of `\n`.
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-->
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</section>
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```
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### Element Attributes
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Special syntax (through HTML comments) is available for adding attributes to Markdown elements. This is useful for fragments, amongst other things.
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```html
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<section data-markdown>
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<script type="text/template">
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- Item 1 <!-- .element: class="fragment" data-fragment-index="2" -->
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- Item 2 <!-- .element: class="fragment" data-fragment-index="1" -->
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</script>
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</section>
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```
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### Slide Attributes
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Special syntax (through HTML comments) is available for adding attributes to the slide `<section>` elements generated by your Markdown.
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```html
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<section data-markdown>
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<script type="text/template">
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<!-- .slide: data-background="#ff0000" -->
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Markdown content
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</script>
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</section>
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```
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### Configuring *marked*
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We use [marked](https://github.com/chjj/marked) to parse Markdown. To customise marked's rendering, you can pass in options when [configuring Reveal](#configuration):
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```javascript
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Reveal.initialize({
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// Options which are passed into marked
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// See https://marked.js.org/#/USING_ADVANCED.md#options
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markdown: {
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smartypants: true
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}
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});
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```
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## PDF Export
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