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
{
		String paramName = paramHandle.getName( );
		Object paramValue = runValues.get( paramName );
		String type = paramHandle.getDataType( );
		
		if ( paramValue == null )
		{
			if ( !paramHandle.isRequired( ) )
				return true;
			log.log( Level.SEVERE, "Parameter {0} doesn't allow a null value.",  
					paramName );
			return false;
		}
		String source = paramHandle.getValidate( );
		if ( source != null && source.length( ) != 0 )
		{
			Object result = executionContext.evaluate( source );
			if ( !( result instanceof Boolean )
					|| !( (Boolean) result ).booleanValue( ) )
			{
				log.log( Level.SEVERE, "Parameter validate failed: ",  
					source );
				return false;
			}
		}
		
		/*
		 * Validate based on parameter type
		 */
		if ( DesignChoiceConstants.PARAM_TYPE_DECIMAL.equals( type )