nextUntil accepts DOM nodes and jQuery objects
This fiddle confirms that prevUntil now accepts DOM nodes and jQuery objects.
HTML
<dl>
<dt id="term-1">term 1</dt>
<dd>definition 1-a</dd>
<dd>definition 1-b</dd>
<dd>definition 1-c</dd>
<dd>definition 1-d</dd>
<dt id="term-2">term 2</dt>
<dd>definition 2-a</dd>
<dd>definition 2-b</dd>
<dd>definition 2-c</dd>
<dt id="term-3">term 3</dt>
<dd>definition 3-a</dd>
<dd>definition 3-b</dd>
</dl>
JavaScript
/** Definition 1-a, 1-b, 1-c and 1-d will turn red if the DOM node works
* They will turn bold if the jQuery-object works
*/
$(function(){
var term1 = $('#term-1');
$("#term-2").prevUntil(term1[0]).css("background-color", "red");
$("#term-2").prevUntil(term1).css("font-weight", "bold");
});