Bug 201526 Mutil parameter value will show the mutil value[0705]
Description: Mutil parameter value will show the mutil value[0705] Step: 1. New a list parameter and select allow multiple value 2. Add some value in it. 3. Drop the parameter in layout( param["NewParameter1"] ). 4. Preview and select several value. Actual result: It will preview a object string. Expected result: The value that is selected will be previewed.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
textContent.setText( rawValue == null ? "" : rawValue.toString( ) ); 
			return textContent;
		}
		
		if ( IForeignContent.HTML_TYPE.equals( rawFormat ) )
		{
			handleOnRender( foreignContent );
			String key = foreignContent.getRawKey( );
			if (key != null)
			{
				String text = localize( foreignContent, key, null);
				if (text != null)
				{
					foreignContent.setRawValue(  text );
				}
			}
			return foreignContent;
		}
		
		if ( IForeignContent.VALUE_TYPE.equals( rawFormat ) )
		{
			handleOnRender( foreignContent );
			IDataContent dataContent = reportContent
					.createDataContent( foreignContent );
			dataContent.setValue( rawValue );
			processData( dataContent );
			return dataContent;
		}
		return foreignContent;
	}