Ticket #42565: 42565.2.diff

src/wp-includes/customize/class-wp-customize-nav-menu-control.php

@@ -35 +35 @@
          * @since 4.3.0
          */
         public function content_template() {
+                $add_items = __( 'Add Items' );
                 ?>
-                <p class="new-menu-item-invitation"><?php _e( 'Time to add some links! Click &#8220;Add menu items&#8221; to start putting pages, categories, and custom links in your menu. Add as many things as you&#8217;d like.' ); ?></p>
+                <p class="new-menu-item-invitation">
+                        <?php
+                        echo esc_html( sprintf(
+                                /* translators: %s: "Add Items" button text */
+                                __( 'Time to add some links! Click &#8220;%s&#8221; to start putting pages, categories, and custom links in your menu. Add as many things as you&#8217;d like.' ),
+                                $add_items
+                        ) );
+                        ?>
+                </p>
                 <div class="customize-control-nav_menu-buttons">
                         <button type="button" class="button add-new-menu-item" aria-label="<?php esc_attr_e( 'Add or remove menu items' ); ?>" aria-expanded="false" aria-controls="available-menu-items">
-                                <?php _e( 'Add Items' ); ?>
+                                <?php echo esc_html( $add_items ); ?>
                         </button>
                         <button type="button" class="button-link reorder-toggle" aria-label="<?php esc_attr_e( 'Reorder menu items' ); ?>" aria-describedby="reorder-items-desc-{{ data.menu_id }}">
                                 <span class="reorder"><?php _e( 'Reorder' ); ?></span>