Bug 147676 [regression]Visibility set in the first col will affect the second col
Description: Visibility set in the first col will affect the second col Steps to reproduce: 1. Insert a grid(3*3), insert contents to each cell. 2.Set the first col to hide all in visibility and preview Expected result: Only the first col is hidden. Actual result: The second col is hidden, too. If you set the second col in step2, the third col will disappear.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/html/HTMLAbstractLM.java
this.engine = factory.getLayoutEngine( );
		this.context = engine.getContext( );
	}
	public int getType( )
	{
		return LAYOUT_MANAGER_UNKNOW;
	}
	public void initialize( HTMLAbstractLM parent, IContent content,
			IReportItemExecutor executor, IContentEmitter emitter )
	{
		this.parent = parent;
		this.content = content;
		this.executor = executor;
		this.emitter = emitter;
		status = STATUS_INTIALIZE;
	}
	public HTMLAbstractLM getParent( )
	{
		return parent;
	}
	/**
	 * output the content.
	 */
	protected void start( )
	{
		if ( emitter != null )
		{
			ContentEmitterUtil.startContent( content, emitter );
		}
	}