Ticket #18118: 18118.2.patch

src/wp-includes/post-template.php

@@ -531 +531 @@
                 if ( isset( $post->post_type ) ) {
                         $classes[] = 'single-' . sanitize_html_class($post->post_type, $post_id);
                         $classes[] = 'postid-' . $post_id;
+                        $classes[] = 'post-slug-' . $post->post_name;
 
                         // Post Format
                         if ( post_type_supports( $post->post_type, 'post-formats' ) ) {
@@ -593 +594 @@
                 $post = get_post($page_id);
 
                 $classes[] = 'page-id-' . $page_id;
+                $classes[] = 'page-slug-' . $post->post_name;
 
                 if ( $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'page' AND post_status = 'publish' LIMIT 1", $page_id) ) )
                         $classes[] = 'page-parent';