Bug 176467 Wrong page break effect for spanned cell
When page break occurs on spanned cell, this cell on next page is lost, which cause incorrect page layout. Report design to reproduce the error is attached.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/EngineTask.java
* The parameter values that will be used to run the report. It is a merged
	 * map between the input value and the default values.
	 */
	protected HashMap runValues = new HashMap( );
	/**
	 * Engine task type. for usage in BIRT scripting.
	 */
	protected int taskType = IEngineTask.TASK_UNKNOWN;
	/**
	 * @param engine
	 *            reference to report engine
	 * @param appContext
	 *            a user-defined object that capsulates the context for running
	 *            a task. The context object is passed to callback functions
	 *            (i.e., functions in image handlers, action handlers, etc. )
	 *            that are written by those who embeds engine in their
	 *            applications
	 */
	protected EngineTask( IReportEngine engine, IReportRunnable runnable )
	{
		taskID = id++;
		this.engine = engine;
		this.log = engine.getLogger( );
		
		executionContext = new ExecutionContext( this );
		
		executionContext.setReportContext( new ReportContextImpl(
				executionContext ) );
		setReportRunnable( runnable );