Bug 196419 Long string word in element will lost head and tail when preview as PDF[0004]
Description: Long string word in element will lost head and tail[0004] Step: 1.Input "labellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabel" in label or text. 2.Preview as PDF Actual result: It only privew the center of content on label and text. Please see the attached image
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTextLM.java
{        
			if ( isInline )
			{
				return createInlineTextArea( text, content, fi, dimension );
			}
			else
			{
				return createBlockTextArea( text, content, fi, dimension );
			}
		}
		
		/**
		 * Gets the hyphenation index
		 * 
		 * @param startIndex			    the start index
		 * @param width						the width of the free space 
		 * @param hyphenation				the hyphenation
		 * @param fi						the FontInfo object of the text to be hyphened.
		 * @return 							the hyphenation index
		 */
		private int hyphen(int startIndex, int width,
				Hyphenation hyphenation, FontInfo fi) 
		{
			assert (startIndex >= 0);
			if (startIndex > hyphenation.length() - 1) 
			{
				return -1;
			}
			int last = 0;
			int current = 0;