Should publish URL field in announcements ATOM feeds

I just noticed that the external URL field that you enter when creating an announcement on a LP project page doesn't end up in the ATOM feed for those announcements.

For example, with Mixxx (http://launchpad.net/mixxx), we publish lengthy release notes on our blog. What we'd like to be able to do is set the blog article to be the "read more" field in our announcements, and then have that feed displayed back on our mixxx.org homepage, with our own "Read more" link going to the blog. We're one step away from being able to do that, and the missing link is this missing URL field (to the "web location of the announcement").

Thanks!