[XHR] note works in progress such as DOM 3 Events in references section

The [DOM3Events] citation is a link to a work in progress.
Please say so.

The bibliography generator will do it for you:

<dt>
            <a name="DOM3EV" id="DOM3EV">DOM3EV</a>
</dt>
         <dd>
            <cite>
               <a href="http://www.w3.org/TR/2006/WD-DOM-Level-3-Events-20060413">Document Object Model (DOM) Level 3 Events Specification</a>
            </cite>, T. Pixley, P. Le Hégaret, B. Höhrmann,  Editors, W3C Working Draft (work in progress), 13 April 2006, http://www.w3.org/TR/2006/WD-DOM-Level-3-Events-20060413 . <a href="http://www.w3.org/TR/DOM-Level-3-Events/"
               title="Latest version of Document Object Model (DOM) Level 3 Events Specification">Latest version</a> available at http://www.w3.org/TR/DOM-Level-3-Events/ .</dd>

DOM3EV http://www.w3.org/TR/DOM-Level-3-Events/
http://www.w3.org/2002/01/tr-automation/tr-biblio-ui

ref:
http://www.w3.org/TR/XMLHttpRequest/#bibref
http://www.w3.org/TR/2007/WD-XMLHttpRequest-20070618/


-- 
Dan Connolly, W3C http://www.w3.org/People/Connolly/