Ticket #42257: 42257.diff

src/wp-includes/customize/class-wp-customize-nav-menu-item-setting.php

@@ -697 +697 @@
                 $menu_item_value['original_title'] = sanitize_text_field( $menu_item_value['original_title'] );
 
                 // Apply the same filters as when calling wp_insert_post().
+
+                /** This filter is documented in wp-includes/post.php */
                 $menu_item_value['title'] = wp_unslash( apply_filters( 'title_save_pre', wp_slash( $menu_item_value['title'] ) ) );
+
+                /** This filter is documented in wp-includes/post.php */
                 $menu_item_value['attr_title'] = wp_unslash( apply_filters( 'excerpt_save_pre', wp_slash( $menu_item_value['attr_title'] ) ) );
+
+                /** This filter is documented in wp-includes/post.php */
                 $menu_item_value['description'] = wp_unslash( apply_filters( 'content_save_pre', wp_slash( $menu_item_value['description'] ) ) );
 
                 if ( '' !== $menu_item_value['url'] ) {