he external SWFs root/shell; if this code is on the top timeline <code>sender_mc</code> should be <code><span class="codeIdentifier">this</span></code>.</div></div><div class="item"><div class="floatbox code colorizedCode">isLastRegister<span class="itemSeparator">:</span></div><div><strong>[optional]</strong> Indicates it's the last font registered <code><span class="codeIdentifier">true</span></code>, or that there are other fonts left to register <code><span class="codeIdentifier">false</span></code>; de