Created by: buryat
<form>
<div class="input-append">
<input class="span2" />
<span class="add-on">test</span>
</div>
</form>
<form class="form-horizontal">
<div class="input-append">
<input class="span2" />
<span class="add-on">test</span>
</div>
</form>
—>
2.0.3-wip branch, Chrome 18.0.1025.142, Firefox 11.0