orld!</code> button? You can use this in your plugins to register your own buttons with the toolbar.</p>

	<p>If you need more control, you can provide a function to <code>registerButton</code> that returns either a <code>span</code>, <code>a</code>, or
		<code>button</code> element.</p>

	<pre><code class="language-javascript">Prism.plugins.toolbar.registerButton('select-code', function() {
	var button = document.createElement('button');
	button.innerHTML = 'Select Code';

	button.addEventListener('click',