xtends to the end of the
    line. The default value is <code>false</code>.</li>
    <li><code>case</code>: Font case, <code>'u'</code> for upper, <code>'l'</code> for lower, <code>'m'</code> for normal,
    mixed case, and <code>'c'</code> for camel case. The default value is <code>'m'</code>.</li>
    <li><code>visible</code>: Whether or not the text is visible. The default value is <code>true</code>.</li>
    <li><code>changeable</code>: Whether the text is changeable instead of read-only. The
    defaul