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
ActionImpl.create( ActionType.TOGGLE_VISIBILITY_LITERAL,
											SeriesValueImpl.create( String.valueOf( se.getSeriesIdentifier( ) ) ) ) );
						}
						break;
					case LegendBehaviorType.NONE :
						break;
				}
			}
			if ( !elTriggers.isEmpty( ) || buildinTg != null )
			{
				final StructureSource source;
				if ( this.cm.getLegend().getItemType() == LegendItemType.CATEGORIES_LITERAL )
				{
					final DataPointHints dph = new DataPointHints( la, null, null,
							null, null, null, null,  null, null, dataIndex,null, 0, null );
					source = WrappedStructureSource.createSeriesDataPoint( se, dph);
				}
				else
				{
					source = StructureSource.createSeries( se );
				}
				final InteractionEvent iev = (InteractionEvent) ( (EventObjectCache) ipr ).getEventObject( source ,
						InteractionEvent.class );
				
				for ( int t = 0; t < elTriggers.size( ); t++ )
				{
					tg = TriggerImpl.copyInstance( (Trigger) elTriggers.get( t ) );
					processTrigger( tg,
							WrappedStructureSource.createLegendEntry( lg, lerh ) );
					iev.addTrigger( tg );