Ticket #51455: 51455.diff

src/wp-includes/widgets/class-wp-widget-tag-cloud.php

@@ -90 +90 @@
                         echo $args['before_title'] . $title . $args['after_title'];
                 }
 
+                $format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml';
+
+                /** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */
+                $format = apply_filters( 'navigation_widgets_format', $format );
+
+                if ( 'html5' === $format ) {
+                        // The title may be filtered: Strip out HTML and make sure the aria-label is never empty.
+                        $title      = trim( strip_tags( $title ) );
+                        $aria_label = $title ? $title : $default_title;
+                        echo '<nav role="navigation" aria-label="' . esc_attr( $aria_label ) . '">';
+                }
+
                 echo '<div class="tagcloud">';
 
                 echo $tag_cloud;
 
                 echo "</div>\n";
+
+                if ( 'html5' === $format ) {
+                        echo '</nav>';
+                }
+
                 echo $args['after_widget'];
         }