- Patch #1174602 by jn2: Node_block_view() should use render arrays.

modules/node/node.module

@@ -2115,16 +2115,21 @@ function node_block_view($delta = '') {
   switch ($delta) {
     case 'syndicate':
       $block['subject'] = t('Syndicate');
-      $block['content'] = theme('feed_icon', array('url' => 'rss.xml', 'title' => t('Syndicate')));
+      $block['content'] = array(
+        '#theme' => 'feed_icon',
+        '#url' => 'rss.xml',
+        '#title' => t('Syndicate'),
+      );
       break;
 
     case 'recent':
       if (user_access('access content')) {
         $block['subject'] = t('Recent content');
         if ($nodes = node_get_recent(variable_get('node_recent_block_count', 10))) {
-          $block['content'] = theme('node_recent_block', array(
-            'nodes' => $nodes,
-          ));
+          $block['content'] = array(
+            '#theme' => 'node_recent_block',
+            '#nodes' => $nodes,
+          );
         } else {
           $block['content'] = t('No content available.');
         }