Tested with different browsers and RSS plugins. It is shown, that RSS feed is available. Clicking on it brings this error: "Not Found sorry, we couldn't find that page".
URL of Firefox: http://triplea.sourceforge.net/mywiki/RecentChanges?action=rss_rc&ddiffs=1&unique=1
URL of Chrome: http://www.google.com/reader/view/feed/http%3A%2F%2Ftriplea.sourceforge.net%2Fmywiki%2FRecentChanges%3Faction%3Drss_rc%26ddiffs%3D1%26unique%3D1
Nobody/Anonymous ( nobody ) - 2012-11-21 00:35:00 PST