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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Line highlight ▲ Prism plugins</title>
<base href="../.." />
<link rel="stylesheet" href="style.css" />
<link rel="stylesheet" href="prism.css" data-noprefix />
<link rel="stylesheet" href="plugins/line-highlight/prism-line-highlight.css" data-noprefix />
<script src="prefixfree.min.js"></script>
</head>
<body>
<header>
<div class="intro" data-src="templates/header-plugins.html" data-type="text/html"></div>
<h2>Line highlight</h2>
<p>Highlights specific lines and/or line ranges.</p>
</header>
<section class="language-markup">
<h1>How to use</h1>
<p>Obviously, this only works on code blocks (<code>&lt;pre>&lt;code></code>) and not for inline code.
<p>You specify the lines to be highlighted through the <code>data-line</code> attribute on the <code>&lt;pre></code> element, in the following simple format:</p>
<ul>
<li>A single number refers to the line with that number</li>
<li>Ranges are denoted by two numbers, separated with a hyphen (-)</li>
<li>Multiple line numbers or ranges are separated by commas.</li>
<li>Whitespace is allowed anywhere and will be stripped off.</li>
</ul>
<p>Examples:</p>
<dl>
<dt>5</dt>
<dd>The 5th line</dd>
<dt>1-5</dt>
<dd>Lines 1 through 5</dd>
<dt>1,4</dt>
<dd>Line 1 and line 4</dd>
<dt>1-2, 5, 9-20</dt>
<dd>Lines 1 through 2, line 5, lines 9 through 20</dd>
</dl>
<p>In case you want the line numbering to be offset by a certain number (for example, you want the 1st line to be number 41 instead of 1, which is an offset of 40), you can additionally use the <code>data-line-offset</code> attribute.
<p>You can also link to specific lines on any code snippet, by using the following as a url hash: <code>#{element-id}.{lines}</code> where
<code>{element-id}</code> is the id of the <code>&lt;pre></code> element and <code>{lines}</code> is one or more lines or line ranges that follow the format
outlined above. For example, if there is an element with <code>id="play"</code> on the page, you can link to lines 5-6 by linking to <a href="plugins/line-highlight/#play.5-6">#play.5-6</a></p>
</section>
<section>
<h1>Examples</h1>
<h2>Line 2</h2>
<pre data-line="2" data-src="plugins/line-highlight/prism-line-highlight.js" id="play"></pre>
<h2>Lines 15-25</h2>
<pre data-line="15-25" data-src="plugins/line-highlight/prism-line-highlight.js"></pre>
<h2>Line 1 and lines 3-4 and line 42</h2>
<pre data-line="1,3-4,42" data-src="plugins/line-highlight/prism-line-highlight.js"></pre>
<h2>Line 43, starting from line 41</h2>
<pre data-line="43" data-line-offset="40" data-src="plugins/line-highlight/prism-line-highlight.js"></pre>
<p><a href="plugins/line-highlight/#play.50-55,60">Linking example</a></p>
</section>
<footer data-src="templates/footer.html" data-type="text/html"></footer>
<script src="prism.js"></script>
<script src="plugins/line-highlight/prism-line-highlight.js"></script>
<script src="utopia.js"></script>
<script src="code.js"></script>
</body>
</html>
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