      */
     public function export():XML
     {
-        return TextFilter.export(textFlow, TextFilter.TCAL_FORMAT,
+        return TextFilter.export(textFlow, TextFilter.TEXT_LAYOUT_FORMAT,
                                  ConversionType.XML_TYPE).children()[0];
     }
 

     */
    private function importStringMarkup(markup:String):TextFlow
    {
        markup = '<TextFlow xmlns="http://ns.adobe.com/tcal/2008">' +
                 markup +
                 '</TextFlow>';
        
        return TextFilter.importToFlow(markup, TextFilter.TCAL_FORMAT);
    }
	
	/**

import flash.text.engine.TextLine;
import flash.ui.Keyboard;

import flashx.textLayout.compose.IFlowComposer;
import flashx.textLayout.compose.StandardFlowComposer;
import flashx.textLayout.container.DisplayObjectContainerController;
import flashx.textLayout.container.IContainerController;
import flashx.textLayout.conversion.ITextImporter;
import flashx.textLayout.conversion.TextFilter;
import flashx.textLayout.conversion.ConversionType;
import flashx.textLayout.edit.EditManager;
import flashx.textLayout.edit.ISelectionManager;
import flashx.textLayout.elements.FlowElement;
import flashx.textLayout.elements.ParagraphElement;
import flashx.textLayout.elements.SpanElement;
import flashx.textLayout.elements.TextFlow;
import flashx.textLayout.events.CompositionCompletionEvent;
import flashx.textLayout.events.FlowOperationEvent;
import flashx.textLayout.events.SelectionEvent;
import flashx.textLayout.formats.CharacterFormat;
import flashx.textLayout.formats.ContainerFormat;
import flashx.textLayout.formats.ICharacterFormat;
import flashx.textLayout.formats.IContainerFormat;
import flashx.textLayout.formats.IParagraphFormat;
import flashx.textLayout.formats.ParagraphFormat;
import flashx.textLayout.operations.ApplyFormatOperation;
import flashx.textLayout.operations.FlowOperation;
import flashx.textLayout.operations.SplitParagraphOperation;

import mx.core.IViewport;
import mx.core.UIComponent;
