WordPress at a glance
function is not described

get_comment_author_rss() WP 2.0.0

Retrieve the current comment author for use in the feeds.

Hooks in function
Return

String. Comment Author

Usage

get_comment_author_rss();

Code of get comment author rss: wp-includes/feed.php VER 5.1.1

<?php
function get_comment_author_rss() {
	/**
	 * Filters the current comment author for use in a feed.
	 *
	 * @since 1.5.0
	 *
	 * @see get_comment_author()
	 *
	 * @param string $comment_author The current comment author.
	 */
	return apply_filters( 'comment_author_rss', get_comment_author() );
}