Example:
header#header>nav.navbar.navbar-inverse>div.container>(div.navbar-header>(button:button.navbar-toggle>span.sr-only{toggle navigation}+span.icon-bar*3)+(a.navbar-brand[href=index.php]>img[src=imgs/logo.png]))+(div.collapse>ul.nav.navbar-nav>li>a.link[href=index.html]{Inicio}^(li.active.link>a[href=login.html]{regresar})+(li>a.link[href=registro.html]{registrarse})+(li>a.link[href=contacto.html]{Contacto}))
Result:
<![CDATA[
<header id="header">
<nav class="navbar navbar-inverse">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle">
<span class="sr-only">toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a href="index.php" class="navbar-brand"><img src="imgs/logo.png" alt="">
</a>
</div>
<div class="collapse">
<ul class="nav navbar-nav">
<li><a href="index.html" class="link">Inicio</a></li>
<li class="active link"><a href="login.html">regresar</a></li>
<li><a href="registro.html" class="link">registrarse</a></li>
<li><a href="contacto.html" class="link">Contacto</a></li>
</ul>
</div>
</div>
</nav>
</header>
]]>