kirbytext: email with subject and body with linebreaks (\n)

email.php

<?php
kirbytext::$tags['email'] = array(
  'attr' => array(
    'text',
    'subject',
    'body'
  ),
  'html' => function($tag) {
    $email   = $tag->attr('email');
    $text    = $tag->attr('text', $email);
    $subject = rawurlencode($tag->attr('subject',null));
    $body = $tag->attr('body',null);
    $body = rawurlencode(str_replace('\n', "\n", $body));

    $query   = ($subject || $body) ? '?' : '';
    $query   .= ($subject) ? 'subject='.$subject : '';
    $query   .= ($subject && $body) ? '&' : '';
    $query   .= ($body) ? 'body='.$body : '';

    return '<a href="mailto:'.$email.$query.'">'.$text.'</a>';
  }
);

Panel Text

(email: [email protected] subject: reserve tickets body: Hi!\n I need the following tickets:\n\n\nBest,\n)