diff -r 2f6f6f7551ca -r 32102edaa81b web/wp-includes/feed-rss2.php
--- a/web/wp-includes/feed-rss2.php	Thu Sep 16 15:45:36 2010 +0000
+++ b/web/wp-includes/feed-rss2.php	Mon Nov 19 18:26:13 2012 +0100
@@ -26,8 +26,7 @@
 	<link><?php bloginfo_rss('url') ?></link>
 	<description><?php bloginfo_rss("description") ?></description>
 	<lastBuildDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_lastpostmodified('GMT'), false); ?></lastBuildDate>
-	<?php the_generator( 'rss2' ); ?>
-	<language><?php echo get_option('rss_language'); ?></language>
+	<language><?php bloginfo_rss( 'language' ); ?></language>
 	<sy:updatePeriod><?php echo apply_filters( 'rss_update_period', 'hourly' ); ?></sy:updatePeriod>
 	<sy:updateFrequency><?php echo apply_filters( 'rss_update_frequency', '1' ); ?></sy:updateFrequency>
 	<?php do_action('rss2_head'); ?>
@@ -35,10 +34,10 @@
 	<item>
 		<title><?php the_title_rss() ?></title>
 		<link><?php the_permalink_rss() ?></link>
-		<comments><?php comments_link(); ?></comments>
+		<comments><?php comments_link_feed(); ?></comments>
 		<pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_post_time('Y-m-d H:i:s', true), false); ?></pubDate>
 		<dc:creator><?php the_author() ?></dc:creator>
-		<?php the_category_rss() ?>
+		<?php the_category_rss('rss2') ?>
 
 		<guid isPermaLink="false"><?php the_guid(); ?></guid>
 <?php if (get_option('rss_use_excerpt')) : ?>
@@ -51,7 +50,7 @@
 		<content:encoded><![CDATA[<?php the_excerpt_rss() ?>]]></content:encoded>
 	<?php endif; ?>
 <?php endif; ?>
-		<wfw:commentRss><?php echo get_post_comments_feed_link(null, 'rss2'); ?></wfw:commentRss>
+		<wfw:commentRss><?php echo esc_url( get_post_comments_feed_link(null, 'rss2') ); ?></wfw:commentRss>
 		<slash:comments><?php echo get_comments_number(); ?></slash:comments>
 <?php rss_enclosure(); ?>
 	<?php do_action('rss2_item'); ?>