<p>Allows the modification of the map of romanization conversions as defined in <code>XF\Data\Str</code>. This allows you to map any character to any ASCII character.</p>

<p>Callback signature:</p>
<blockquote><code>&amp;$romanization</code></blockquote>

<p>Arguments:</p>
<ol>
	<li><code>&amp;$romanization</code> - Map of characters to their ASCII replacement.</li>
</ol>