Tab 1
Tab 1 content.
Tab 2
Tab 2 content.
Tab 3
Tab 3 content.
source code of this page:
<div class="tabber">
<div class="tabbertab"><h2>Tab 1</h2><p>Tab 1 content.</p></div>
<div class="tabbertab"><h2>Tab 2</h2><p>Tab 2 content.</p></div>
<div class="tabbertab"><h2>Tab 3</h2><p>Tab 3 content.</p></div>
</div>
<verbatim>Tabber</verbatim>
the verbatim tag loads MediaWiki:Tabber.