Index: modules/comment/comment.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/comment/comment.module,v
retrieving revision 1.520.2.1
diff -u -r1.520.2.1 comment.module
--- modules/comment/comment.module	23 Jan 2007 19:11:43 -0000	1.520.2.1
+++ modules/comment/comment.module	23 Feb 2007 17:53:19 -0000
@@ -324,7 +324,7 @@
               $links['comment_add'] = array(
                 'title' => t('Add new comment'),
                 'href' => "comment/reply/$node->nid",
-                'attributes' => array('title' => t('Add a new comment to this page.')),
+                'attributes' => array('title' => t('Add a new comment to this page.'), 'rel' => 'nofollow'),
                 'fragment' => 'comment-form'
               );
             }