Bug 192981 Leading white space get trimmed in PDF&HTML output.
Build ID: The Eclipse bundled with BIRT 2.1.3 designer all in one Steps To Reproduce: 1.Create a new blank report. 2.Setup data source and data set component 3.Insert a List 4.Insert a DataItem into the detail slot of List 5.Set the value expression of DataItem to " " + row["Column1"] 6.Run the report to produce PDF or HTML 7.the leading white space is disappeared in output More information: The leading white space is preserved in BIRT 2.1.1, but get disappeared in BIRT 2.1.3 or later version. We want to know whether it's expected behavior or a bug.
core/org.eclipse.birt.core/src/org/eclipse/birt/core/format/StringFormatter.java
* 
	 * @param str
	 *            the input string to parse
	 * @return the string
	 * @throws ParseException
	 *             if the specified string cannot be parsed according to specified pattern.
	 */
	public String parser(String str) throws ParseException
	{
		if(formatPattern==null || "".equals(formatPattern)  
				|| formatPattern.indexOf(">")>-1 || formatPattern.indexOf("<")>-1) 
		{
			return str;
		}
		StringBuffer orig = new StringBuffer( str );
		StringBuffer fstr = new StringBuffer( "" );  
		StringBuffer ret = new StringBuffer( "" ); 
		for(int i=0; i<formatPattern.length(); i++)
		{
			if(formatPattern.charAt(i)!='!' 
				&& formatPattern.charAt(i)!='>'
				&& formatPattern.charAt(i)!='<')
			{
				fstr.append(formatPattern.charAt(i));
			}
		}
		char fc = ' ';
		int lenPattern = fstr.length();
		int lenFormatStr = orig.length();
		if(lenPattern>lenFormatStr)