String indent= fScanner.computeIndentation(29);
String indent= fScanner.computeIndentation(29).toString();
	public void testIndentation4() {		fDocument.set("\tint a;\n" +			"\tif (true)\n" +			"\t\treturn a\n" +			"");				String indent= fScanner.computeIndentation(29);		Assert.assertEquals("\t\t", indent);	}