fembooru/themes/lite/comment.theme.php

<?php

class CustomCommentListTheme extends CommentListTheme {
	protected function comment_to_html(Comment $comment, bool $trim=false): string {
		return $this->rr(parent::comment_to_html($comment, $trim));
	}

	protected function build_postbox(int $image_id): string {
		return $this->rr(parent::build_postbox($image_id));
	}
}