Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.1027
diff -u -r1.1027 node.module
--- modules/node/node.module	26 Feb 2009 07:30:27 -0000	1.1027
+++ modules/node/node.module	4 Mar 2009 12:12:18 -0000
@@ -1225,10 +1225,10 @@
   $node->readmore = (strlen($node->teaser) < strlen($node->body));
 
   if ($teaser == FALSE) {
-    $node->body = check_markup($node->body, $node->format, $node->language, FALSE);
+    $node->body = '<div class="node-body">' . check_markup($node->body, $node->format, $node->language, FALSE) . '</div>';
   }
   else {
-    $node->teaser = check_markup($node->teaser, $node->format, $node->language, FALSE);
+    $node->teaser = '<div class="node-body">' . check_markup($node->teaser, $node->format, $node->language, FALSE) . '</div>';
   }
 
   $node->content['body'] = array(