E4X

<script type="application/x-javascript; version=1.5; e4x=1">
var siblings =
	<people>
	   <person>
		  <name>Jamin</name>
		  <url>http://pubcrawler.org</url>
	   </person>
	   <person>
		  <name>Lauren</name>
		  <url>http://laurengray.blogspot.com</url>
	   </person>
	   <person>
		  <name>Noah</name>
		  <url>http://www.missouri.edu</url>
	   </person>
	   <person>
		  <name>Micah</name>
		  <url>http://micahgray.com</url>
	   </person>
	</people>;

function makeList(siblings) {
	var list = <ul/>;
	list.@style = "list-style: square";
	var people = siblings..person;
	for each (var person in people) {
		var name = person.name.text();
		var url = person.url.text();
		list.li += <li><a href={url}>{name}</a></li>;
	}
	return list;
}

var list = makeList(siblings);
document.write(list);
</script>