Ticket #16944: 16944.diff

wp-includes/comment-template.php

@@ -307 +307 @@
         $classes[] = ( empty( $comment->comment_type ) ) ? 'comment' : $comment->comment_type;
 
         // If the comment author has an id (registered), then print the log in name
-        if ( $comment->user_id > 0 && $user = get_userdata($comment->user_id) ) {
-                // For all registered users, 'byuser'
+        if ( $comment->user_id > 0 && $user = get_userdata( $comment->user_id ) ) {
+                // For all registered users (site-wide), 'byuser'
                 $classes[] = 'byuser';
                 $classes[] = 'comment-author-' . sanitize_html_class($user->user_nicename, $comment->user_id);
+                
+                // For current blog users
+                if ( ! is_multisite() || is_user_member_of_blog( $comment->user_id ) )
+                        $classes[] = 'by-blog-user';
+                        
                 // For comment authors who are the author of the post
-                if ( $post = get_post($post_id) ) {
+                if ( $post = get_post( $post_id ) ) {
                         if ( $comment->user_id === $post->post_author )
                                 $classes[] = 'bypostauthor';
                 }