Bug 204245 Blank column on visibility column in excel[0300]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/html/HTMLTableLayoutEmitter.java
ContentEmitterUtil.endContent( content, cellEmitter );
		}
		else
		{
			ContentEmitterUtil.endContent( content, emitter );
		}
	}
	boolean hasDropCell = false;
	public void resetLayout( )
	{
		layout.reset( );
		layoutEvents.clear( );
		hasDropCell = false;
	}
	public void initLayout( ITableContent table )
	{
		this.layout = new TableContentLayout( table,
				getOutputFormat( ), context );
		this.layoutEvents = new Stack( );
	}
	
	public boolean isLayoutStarted()
	{
		return layout!=null;
	}
	protected boolean hasDropCell( )
	{
		return hasDropCell;
	}
	public void createCell( int colId, int rowSpan, int colSpan,