Bug 134671 Legend title is displayed incorrectly.
Legend title is displayed incorrectly. Steps: 1.Import the attached report design file 2.Preview Actual Results: 1.Legend title is "Company", but displayed as "=Company" Expected Results: 1.Legend title is displayed correctly.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
* applies basic lighting. This convenience method may be used by series
	 * type rendering extensions if needed.
	 * 
	 * @param ipr
	 *            A handle to the primitive rendering device
	 * @param oSource
	 *            The object wrapped in the polygon rendering event
	 * @param loaFront
	 *            The co-ordinates of the front face polygon
	 * @param f
	 *            The fill color for the front face
	 * @param lia
	 *            The edge color for the polygon
	 * @param dSeriesThickness
	 *            The thickness or the extrusion level (for 2.5D or 3D)
	 * 
	 * @throws RenderingException
	 */
	protected final void renderPlane( IPrimitiveRenderer ipr, Object oSource,
			Location[] loaFront, Fill f, LineAttributes lia, ChartDimension cd,
			double dSeriesThickness, boolean bDeferred ) throws ChartException
	{
		PolygonRenderEvent pre;
		if ( cd.getValue( ) == ChartDimension.TWO_DIMENSIONAL )
		{
			
			pre = (PolygonRenderEvent) ( (EventObjectCache) ipr ).getEventObject( oSource,
					PolygonRenderEvent.class );
			pre.setPoints( loaFront );
			pre.setBackground( f );