Ticket #10713: 10713.diff

wp-includes/feed.php

@@ -540 +540 @@
         $feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', 12 * HOUR_IN_SECONDS, $url ) );
         do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );
         $feed->init();
+    $feed->set_output_encoding(get_option('blog_charset'));
         $feed->handle_content_type();
 
         if ( $feed->error() )