fScanner= new Scanner(false, false);
fScanner= new Scanner(true, false);
	public CompilationUnitBuffer(ICompilationUnit unit) throws JavaModelException {		fScanner= new Scanner(false, false);	// comments and white spaces.		char[] source= unit.getBuffer().getCharacters();		fEndPosition= source.length - 1;		fScanner.setSourceBuffer(source);	}