Index: wp-includes/classes.php =================================================================== --- wp-includes/classes.php (revision 10746) +++ wp-includes/classes.php (working copy) @@ -1172,20 +1172,20 @@ $indent = ''; extract($args, EXTR_SKIP); - $css_class = 'page_item page-item-'.$page->ID; + $css_class = array('page_item', 'page-item-'.$page->ID); if ( !empty($current_page) ) { $_current_page = get_page( $current_page ); if ( isset($_current_page->ancestors) && in_array($page->ID, (array) $_current_page->ancestors) ) - $css_class .= ' current_page_ancestor'; + $css_class[] = 'current_page_ancestor'; if ( $page->ID == $current_page ) - $css_class .= ' current_page_item'; + $css_class[] = 'current_page_item'; elseif ( $_current_page && $page->ID == $_current_page->post_parent ) - $css_class .= ' current_page_parent'; + $css_class[] = 'current_page_parent'; } elseif ( $page->ID == get_option('page_for_posts') ) { - $css_class .= ' current_page_parent'; + $css_class[] = 'current_page_parent'; } - $output .= $indent . '