if (this.indentation == 0)
if (this.indentation == 0 || sb.length() == 0)
    private void handleIndentation(StringBuffer sb) {        if (this.indentation == 0)            return;        int i = 0;        while (sb.charAt(i) == '\n') {            i++;            if (i == sb.length())                continue;        }        sb.insert(i,getSpaces());    }