twentysixteen twentyseventeen fehlende widgets.php

Gibt es eine Dokumentation darüber, wie Widgets zu untergeordneten Themen von twentyixteen twentyseventeen hinzugefügt werden? In der functions.php im Elternteil gibt es:

function twentyseventeen_widgets_init() add_action( 'widgets_init', 'twentyseventeen_widgets_init' ); function twentyseventeen_widget_tag_cloud_args( $args ) { $args['largest'] = 1; $args['smallest'] = 1; $args['unit'] = 'em'; $args['format'] = 'list'; return $args; } add_filter( 'widget_tag_cloud_args', 'twentyseventeen_widget_tag_cloud_args' ); however, I don't see anything like // Post Format Archives Widget @ https://wp-tao.com/541 if (!class_exists('Post_Format_Archives_Widget')) { class Post_Format_Archives_Widget extends WP_Widget { function __construct() { parent::__construct('post_format_archives_widget', 'Post Format Archives', array('description'=>'Displays a list of links to post-format archives')); } function widget($args, $instance) { .... 

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