f</span> greet; <span class="st">&quot;Hello, world!&quot;</span>; <span class="cf">end</span></span></code></pre></div>
<p>The line numbers are clickable and all have HTML IDs attached to them, making them linkable.</p>
<p>This theme extends Pandoc‚Äôs code blocks with line numbers by allowing individual lines to be highlighted. Emphasize specific lines in a code block by adding various <code>.hl-*</code> classes for the lines you‚Äôd like to highlight, like this:</p>
<pre><code>```{.numberLines .h