244 lines
15 KiB
HTML
244 lines
15 KiB
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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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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<link rel="canonical" href="https://heydon.github.io/inclusive-pattern-library/patterns/code/code-blocks/">
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<link href="https://fonts.googleapis.com/css?family=Miriam+Libre:700&text=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz%26" rel="stylesheet">
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<link href="https://fonts.googleapis.com/css?family=PT+Sans:400,400i,700" rel="stylesheet">
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<link rel="stylesheet" href="/css/prism.css" />
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<link rel="stylesheet" type="text/css" href="/css/styles.css">
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<title>
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Code blocks | Infusion
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</title>
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</head>
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<body>
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<path style="stroke:currentColor;stroke-width:3.2637;fill:none" d="m-2262.2-3203.4-.2331 42.195 16.319-16.318 16.318 16.318.2331-42.428z"/>
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<text font-size="83" style="font-size:83px;font-family:Trebuchet;letter-spacing:-12;fill-opacity:0" letter-spacing="-12" y="67.609352" x="-26.782778">W3C</text>
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<text font-size="83" style="font-size:83px;font-weight:bold;font-family:Trebuchet;fill-opacity:0" y="67.609352" x="153.21722" font-weight="bold">SVG</text>
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<path style="fill:#111111;image-rendering:optimizeQuality;shape-rendering:geometricPrecision" d="m125.21 0 1.414 8.6-5.008 9.583s-1.924-4.064-5.117-6.314c-2.693-1.899-4.447-2.309-7.186-1.746-3.527.73-7.516 4.938-9.258 10.13-2.084 6.21-2.104 9.218-2.178 11.978-.115 4.428.58 7.043.58 7.043s-3.04-5.626-3.011-13.866c.018-5.882.947-11.218 3.666-16.479 2.404-4.627 5.954-7.404 9.114-7.728 3.264-.343 5.848 1.229 7.841 2.938 2.089 1.788 4.213 5.698 4.213 5.698l4.94-9.837z"/>
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<path style="fill:#111111;image-rendering:optimizeQuality;shape-rendering:geometricPrecision" d="m125.82 48.674s-2.208 3.957-3.589 5.48c-1.379 1.524-3.849 4.209-6.896 5.555-3.049 1.343-4.646 1.598-7.661 1.306-3.01-.29-5.807-2.032-6.786-2.764-.979-.722-3.486-2.864-4.897-4.854-1.42-2-3.634-5.995-3.634-5.995s1.233 4.001 2.007 5.699c.442.977 1.81 3.965 3.749 6.572 1.805 2.425 5.315 6.604 10.652 7.545 5.336.945 9.002-1.449 9.907-2.031.907-.578 2.819-2.178 4.032-3.475 1.264-1.351 2.459-3.079 3.116-4.108.487-.758 1.276-2.286 1.276-2.286l-1.276-6.644z"/>
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<path style="fill-rule:evenodd;stroke-width:0;fill:#111111" d="m159.9 894.3-68.79 8.5872-75.42 77.336 61.931 60.397 75.429-76.565 6.8495-69.755zm-31.412 31.835a10.813 10.813 0 0 1 1.8443 2.247 10.813 10.813 0 0 1 -3.5174 14.872l-.0445.0275a10.813 10.813 0 0 1 -14.86 -3.5714 10.813 10.813 0 0 1 3.5563 -14.863 10.813 10.813 0 0 1 13.022 1.2884z"/>
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<symbol id="balloon">
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<g transform="translate(0 -875.2)">
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<path style="fill:#1a1a1a" d="m68.156 882.83-.88753 1.4269c-4.9564 7.9666-6.3764 17.321-5.6731 37.378.36584 10.437 1.1246 23.51 1.6874 29.062.38895 3.8372 3.8278 32.454 4.6105 38.459 4.6694-.24176 9.2946.2879 14.377 1.481 1.2359-3.2937 5.2496-13.088 8.886-21.623 6.249-14.668 8.4128-21.264 10.253-31.252 1.2464-6.7626 1.6341-12.156 1.4204-19.764-.36325-12.93-2.1234-19.487-6.9377-25.843-2.0833-2.7507-6.9865-7.6112-7.9127-7.8436-.79716-.20019-6.6946-1.0922-6.7755-1.0248-.02213.0182-5.0006-.41858-7.5248-.22808l-2.149-.22808h-3.3738z"/>
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<path style="fill:#1a1a1a" d="m61.915 883.28-3.2484.4497c-1.7863.24724-3.5182.53481-3.8494.63994-2.4751.33811-4.7267.86957-6.7777 1.5696-.28598 0-1.0254.20146-2.3695.58589-5.0418 1.4418-6.6374 2.2604-8.2567 4.2364-6.281 7.6657-11.457 18.43-12.932 26.891-1.4667 8.4111.71353 22.583 5.0764 32.996 3.8064 9.0852 13.569 25.149 22.801 37.517 1.3741 1.841 2.1708 2.9286 2.4712 3.5792 3.5437-1.1699 6.8496-1.9336 10.082-2.3263-1.3569-5.7831-4.6968-21.86-6.8361-33.002-.92884-4.8368-2.4692-14.322-3.2452-19.991-.68557-5.0083-.77707-6.9534-.74159-15.791.04316-10.803.41822-16.162 1.5026-21.503 1.4593-5.9026 3.3494-11.077 6.3247-15.852z"/>
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<path style="fill:#1a1a1a" d="m94.499 885.78c-.10214-.0109-.13691 0-.0907.0409.16033.13489 1.329 1.0675 2.5976 2.0723 6.7003 5.307 11.273 14.568 12.658 25.638.52519 4.1949.24765 14.361-.5059 18.523-2.4775 13.684-9.7807 32.345-20.944 53.519l-3.0559 5.7971c2.8082.76579 5.7915 1.727 8.9926 2.8441 11.562-11.691 18.349-19.678 24.129-28.394 7.8992-11.913 11.132-20.234 12.24-31.518.98442-10.02-1.5579-20.876-6.7799-28.959-.2758-.4269-.57803-.86856-.89617-1.3166-3.247-6.13-9.752-12.053-21.264-16.131-2.3687-.86369-6.3657-2.0433-7.0802-2.1166z"/>
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<path style="fill:#1a1a1a" d="m32.52 892.22c-.20090-.13016-1.4606.81389-3.9132 2.7457-11.486 9.0476-17.632 24.186-16.078 39.61.79699 7.9138 2.4066 13.505 5.9184 20.562 5.8577 11.77 14.749 23.219 30.087 38.74.05838.059.12188.1244.18052.1838 1.3166-.5556 2.5965-1.0618 3.8429-1.5199-.66408-.32448-1.4608-1.3297-3.8116-4.4602-5.0951-6.785-8.7512-11.962-13.051-18.486-5.1379-7.7948-5.0097-7.5894-8.0586-13.054-6.2097-11.13-8.2674-17.725-8.6014-27.563-.21552-6.3494.13041-9.2733 1.775-14.987 2.1832-7.5849 3.9273-10.986 9.2693-18.07 1.7839-2.3656 2.6418-3.57 2.4409-3.7003z"/>
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<path style="fill:#1a1a1a" d="m69.133 992.37c-6.2405.0309-12.635.76718-19.554 2.5706 4.6956 4.7759 9.935 10.258 12.05 12.625l4.1272 4.6202h11.493l3.964-4.4516c2.0962-2.3541 7.4804-7.9845 12.201-12.768-8.378-1.4975-16.207-2.6353-24.281-2.5955z"/>
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<rect style="stroke-width:0;fill:#1a1a1a" ry="2.0328" height="27.746" width="22.766" y="1017.7" x="60.201"/>
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</g>
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</g>
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</symbol>
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</svg>
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<div class="wrapper">
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<header class="intro-and-nav" role="banner">
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<div>
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<div class="intro">
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<a class="logo" href="/" aria-label="Infusion pattern library home page">
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<img src="https://heydon.github.io/inclusive-pattern-library/images/logo.png" alt="">
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</a>
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<p class="library-desc">Documentation for the <strong>Infusion</strong> pattern library builder. This documentation is constructed using the builder itself.</p>
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</div>
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<nav class="patterns" role="navigation">
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<ul>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/installation/" >
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>Installation</span>
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</a>
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</li>
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</li>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/library-setup/" >
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>Library setup</span>
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</a>
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</li>
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</li>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/serving/" >
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>Serving</span>
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</a>
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</li>
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</li>
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<li>
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<h3>Writing</h3>
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<ul>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/writing/library-structure/" >
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>Library structure</span>
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</a>
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</li>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/writing/markdown-and-metadata/" >
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>Markdown & metadata</span>
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</a>
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</li>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/writing/expandable-sections/" >
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>Expandable sections</span>
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</a>
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</li>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/writing/including-images/" >
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>Including images</span>
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</a>
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</li>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/writing/notes-and-warnings/" >
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>Notes & warnings</span>
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</a>
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</li>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/writing/references/" >
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>References</span>
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</a>
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</li>
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</ul>
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</li>
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<li>
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<h3>Exhibiting code</h3>
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<ul>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/code/code-blocks/" aria-current="page">
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>Code blocks</span>
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</a>
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</li>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/code/codepen-embedding/" >
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>CodePen embedding</span>
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</a>
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</li>
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<li class="pattern">
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<a href="/inclusive-pattern-library/patterns/code/writing-inline-demos/" >
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<svg class="bookmark" aria-hidden="true" height="50" width="40" viewBox="0 0 40 50"><use xlink:href="#bookmark"></use></svg>
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<span>Writing inline demos</span>
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</a>
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</li>
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</ul>
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</li>
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</ul>
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</nav>
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</div>
|
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|
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</header>
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<div class="main-and-footer">
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<div>
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<main id="main">
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<h1>Code blocks</h1>
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<p>Markdown already supports code samples both inline (using single backticks like `some code here`) and in blocks. <strong>Infusion</strong> will syntax highlight HTML, CSS, and JavaScript if you provide the correct language in the formulation of the block.</p>
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<p>So, this…</p>
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<pre class=" "><code data-codeblock-shortcode>
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```html
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<button aria-pressed="false">toggle me</button>
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```
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</code></pre>
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<p>… will result in this:</p>
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<pre><code class="language-html"><button aria-pressed="false">toggle me</button>
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</code></pre>
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<p>Note that the syntax highlighting uses a greyscale theme. <strong>Infusion</strong> is careful not to use color as part of its own design, because these colors may clash with those of the design being illustrated and discussed.</p>
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<h2 id="line-numbered-code-blocks">Line-numbered code blocks</h2>
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<p>In addition to the basic markdown support, <strong>Infusion</strong> provides a mechanism to display code blocks with line numbers. This is via the <code>codeBlock</code> shortcode. Here is the code for a block of JavaScript with line numbers:</p>
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<pre class=" "><code data-codeblock-shortcode>
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{{<codeBlock lang="js" numbered="true">}}
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var toggle = demo.querySelector('[aria-pressed]');
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toggle.addEventListener('click', (e) => {
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let pressed = e.target.getAttribute('aria-pressed') === 'true';
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e.target.setAttribute('aria-pressed', !pressed);
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});
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{{</codeBlock>}}
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</code></pre>
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<p>The output will look like the following. Now you can refer to particular bits of the code by line number, like the arrow function on line <code>3</code>.</p>
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<pre class="language-js line-numbers"><code class="language-js" data-codeblock-shortcode>
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var toggle = demo.querySelector('[aria-pressed]');
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toggle.addEventListener('click', (e) => {
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let pressed = e.target.getAttribute('aria-pressed') === 'true';
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e.target.setAttribute('aria-pressed', !pressed);
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});
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</code></pre>
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</main>
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<footer role="contentinfo">
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By Heydon Pickering
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</footer>
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