Bug 191005 PDF preview hangs up with attached xtab.[1102]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFLineAreaLM.java
AbstractArea area = (AbstractArea) iter.next( );
			if(area instanceof TextArea)
			{
				String text = ((TextArea)area).getText( );
				blanks[index] = text.split( " " ).length - 1;
				chars[index] = (text.length( )>1 ? (text.length( )-1): 0);
				blankNumber += blanks[index];
				charNumber += chars[index];
			}
			else if(area instanceof InlineContainerArea)
			{
				ContainerArea container = (InlineContainerArea)area;
				if(container.getChildrenCount( )==1)
				{
					Iterator it = container.getChildren( );
					AbstractArea child = (AbstractArea) it.next( );
					if(child instanceof TextArea)
					{
						String text = ((TextArea)child).getText( );
						blanks[index] = text.split( " " ).length - 1;
						chars[index] = (text.length( )>1 ? (text.length( )-1): 0);
						blankNumber += blanks[index];
						charNumber += chars[index];
					}
				}
			}
				
			index++;
		}
		if(blankNumber>0)