ll listener of the change of the model</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>e</code> - the event to send to the listeners</dd></dl>
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<h4>clearUndo</h4>
<pre>public&nbsp;void&nbsp;clearUndo()</pre>
<div class="block">removes the undo history</div>
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<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../weka/core/Undoable.html#clearUndo()">clearUndo</a></code>&nbsp;in