Bug 156658 Error occour when previewing a text with a style set word-spacing 20cm in PDF
Description: Error occour when previewing a text with a style set word-spacing 20cm Steps to reproduce: 1.new a text and input some text like "actuate great" 2.new a style and set word-spacing 20cm then apply it to the text 3.Preview in PDF Expected: No error occour Actual: Error occour Error log: org.eclipse.birt.report.service.api.ReportServiceException: Error happened while running the report
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTextLM.java
bottomPadding  = getDimensionValue(boxStyle.getProperty(StyleConstants.STYLE_PADDING_BOTTOM));
		}
		
		public boolean compose()
		{
			boolean hasMore;
			while ( (hasMore = hasMore()) &&  ! PDFTextLM.this.needPause() )
			{
				handleNext();
			}
			return hasMore;
		}
		private boolean hasMore()
		{
			if (cg.hasMore())
				return true;
			else if ( null == chunk )
				return false;
			else
				if (currentPos < chunk.getText().length())
					return true;
				else
				{
					if (isInline)
					{
						ContainerArea con = (ContainerArea)createInlineContainer(content, false, true);
						con.setWidth(rightBorder+rightPadding);
						if (null == chunk.getFontInfo())
						{
							IStyle style = content.getComputedStyle();