end= i;
end= i + 1;
	public static String getIndentString(String line, int tabWidth) {		int size= line.length();		int end= 0;		int blanks= 0;		for (int i= 0; i < size; i++) {			char c= line.charAt(i);			if (c == '\t') {				end= i;				blanks= 0;			} else if (isIndentChar(c)) {				blanks++;				if (blanks == tabWidth) {					end= i;					blanks= 0;				}			} else {				break;			}		}		if (end == 0)			return ""; //$NON-NLS-1$		else if (end == size)			return line;		else			return line.substring(0, end + 1);	}