Feeds for recent changes now provide URLs for the change (i.e., the diff), not just the page. This matches behavior of history feeds, which appears more correct. Incidentally, this code needs centralization, probably, say into a constructor method of Revision or Article. Logic is unnecessarily duplicated at present. (Also tweaked some docs, used __METHOD__ instead of $fname.)

RELEASE-NOTES

@@ -157,6 +157,8 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
   pages which had spaces in theirs names
 * If restricted read access was enabled, requests for non-existing special pages
   threw an exception
+* Feeds for recent changes now provide correct URLs for the change, not just
+  the page
 
 === API changes in 1.12 ===
 

includes/Feed.php

@@ -41,6 +41,7 @@ class FeedItem {
 
 	/**#@+
 	 * @todo document
+	 * @param $Url URL uniquely designating the item.
 	 */
 	function __construct( $Title, $Description, $Url, $Date = '', $Author = '', $Comments = '' ) {
 		$this->Title = $Title;

includes/SpecialRecentchanges.php

@@ -379,9 +379,12 @@ function rcOutputFeed( $rows, $feedFormat, $limit, $hideminor, $lastmod ) {
 	return true;
 }
 
+/**
+ * @todo document
+ * @param $rows Database resource with recentchanges rows
+ */
 function rcDoOutputFeed( $rows, &$feed ) {
-	$fname = 'rcDoOutputFeed';
-	wfProfileIn( $fname );
+	wfProfileIn( __METHOD__ );
 
 	$feed->outHeader();
 
@@ -406,7 +409,7 @@ function rcDoOutputFeed( $rows, &$feed ) {
 		$item = new FeedItem(
 			$title->getPrefixedText(),
 			rcFormatDiff( $obj ),
-			$title->getFullURL(),
+			$title->getFullURL( 'diff=' . $obj->rc_this_oldid . '&oldid=prev' ),
 			$obj->rc_timestamp,
 			$obj->rc_user_text,
 			$talkpage->getFullURL()
@@ -414,7 +417,7 @@ function rcDoOutputFeed( $rows, &$feed ) {
 		$feed->outItem( $item );
 	}
 	$feed->outFooter();
-	wfProfileOut( $fname );
+	wfProfileOut( __METHOD__ );
 }
 
 /**