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
if(context!=null)
		{
				return context.getLayoutHint( content );
		}
		return true;
	}
	
	protected boolean allowPageBreak()
	{
		if(context!=null)
		{
				return context.allowPageBreak( );
		}
		return false;
	}
	public void startContent( IContent content )
	{
		if ( cellEmitter != null )
		{
			ContentEmitterUtil.startContent( content, cellEmitter );
		}
		else
		{
			ContentEmitterUtil.startContent( content, emitter );
		}
	}
	public void endContent( IContent content )
	{
		if ( cellEmitter != null )
		{