Ticket #5789: 5789.diff

Index: wp-includes/comment-template.php
===================================================================
--- wp-includes/comment-template.php    (revision 6755)
+++ wp-includes/comment-template.php    (working copy)
@@ -108,7 +108,7 @@
        $url    = get_comment_author_url();
        $author = get_comment_author();
 
-       if ( empty( $url ) || 'http://' == $url )
+       if ( empty( $url ) )
                $return = $author;
        else
                $return = "<a href='$url' rel='external nofollow'>$author</a>";
@@ -159,7 +159,12 @@
  */
 function get_comment_author_url() {
        global $comment;
-       return apply_filters('get_comment_author_url', $comment->comment_author_url);
+       $url = $comment->comment_author_url;
+
+       if ( 'http://' == $url )
+               $url = '';
+
+       return apply_filters('get_comment_author_url', $url);
 }
 
 /**