functions.php

<?php
/**
 *   Liberty theme functions file.
 *
 *   @package Liberty
 *   @since 1.0.0
 */

/**
 *   Print "...." when content exceed length.
 *
 *   @package Liberty
 *   @since 1.0.0
 *   @param type $more is not used.
 *   @return string "....".
 */
function wpdocs_excerpt_more( $more ) {
	return '....';
};

/**
 *   Hooks for filter the comment form fields.
 *
 *   @package Liberty
 *   @since 1.0.0
 *   @param array $fields is not used.
 */
function comments_field( $fields ) {
	$comment_field = $fields['comment'];
	$author_field  = $fields['author'];
	unset( $fields['comment'] );
	unset( $fields['author'] );
	unset( $fields['email'] );
	unset( $fields['url'] );
	unset( $fields['cookies'] );
	$fields['author']  = $author_field;
	$fields['comment'] = $comment_field;
	return $fields;
};


add_theme_support( 'automatic-feed-links' );
add_filter( 'comment_form_fields', 'comments_field' );
add_filter( 'excerpt_more', 'wpdocs_excerpt_more' );