Bug 155551 Arabic Separated Characters in PDF Export
When viewing the Report Design with the eclipse plugin, the Arabic characters are OK and contiguous, but when the report is exported to PDF the characters are shown separately.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTextLM.java
* the text in chunk. 
		 */
		private int vestigeIndex = -1;
		private int vestigeLength = 0;
		
		private int currentPos = 0;
		private int areaStartPos = 0;
		
		private int letterSpacing = 0;
		private int wordSpacing = 0;
		
		private int maxLineSpace = 0;
		private IWordRecognizer wr = null;
		
		/** 
		 * The flag to indicate whether the current TextArea needs to be added
		 * into the line by force. 
		 */ 
		private boolean addByForce = false;
		
		/**
		 * The flag to indicate whether we need to split off the first character next time. 
		 */
		private boolean nothingSplitted = false;
		
		private int leftMargin;
		private int leftBorder;
		private int leftPadding;
		private int rightMargin;
		private int rightBorder;