faults to <code><span class="codeIdentifier">false</span></code>.</div></div></div></div><div class="boxedElem"><div class="contentHolder"><span class="title">Returns:</span><div class="item"><ul><li> Returns <code><span class="codeIdentifier">true</span></code> if parameter <code>sender_mc</code> was referenced correctly and the font was successfully registered; otherwise <code><span class="codeIdentifier">false</span></code>. </li></ul></div></div></div><div class="boxedElem"><div class="contentHolder"><s