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