akes care of reference counting automatically.</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment">** Reference counting is optional so use of this class is experimental.</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="preprocessor">#if defined(XML_DOMREFCOUNT_EXPERIMENTAL)</spa