Fetches an XBEL file and maps it to RSS elements for archival purposes. More detail here. Cloned from "Fetch OPML as RSS (does not aggregate)": http://pipes.yahoo.com/pipes/pipe.info?_id=hjQfQk3h2xGJymSXjUnRlg
Pipe Web Address: http://pipes.yahoo.com/devinreams/xbeltorss