Index: wp-includes/rss.php
===================================================================
--- wp-includes/rss.php	(revision 5001)
+++ wp-includes/rss.php	(working copy)
@@ -375,7 +375,7 @@
 }
 require_once( dirname(__FILE__) . '/class-snoopy.php');
 
-function fetch_rss ($url) {
+function fetch_rss ($url, $timeout = false ) {
 	// initialize constants
 	init();
 
@@ -385,7 +385,7 @@
 	}
 
 	// if cache is disabled
-	if ( !MAGPIE_CACHE_ON ) {
+	if ( !MAGPIE_CACHE_ON || $timeout === 0) {
 		// fetch file, and parse it
 		$resp = _fetch_remote_file( $url );
 		if ( is_success( $resp->status ) ) {
@@ -404,7 +404,7 @@
 		// 3. if cached obj fails freshness check, fetch remote
 		// 4. if remote fails, return stale object, or error
 
-		$cache = new RSSCache( MAGPIE_CACHE_DIR, MAGPIE_CACHE_AGE );
+		$cache = new RSSCache( MAGPIE_CACHE_DIR, ( $timeout === false ? MAGPIE_CACHE_AGE : $timeout ) );
 
 		if (MAGPIE_DEBUG and $cache->ERROR) {
 			debug($cache->ERROR, E_USER_WARNING);