if lineMaxLen-1-w.i < 3 {
		if err := w.insertSoftLineBreak(); err != nil {
			return err
		}
	}

	w.line[w.i] = '='
	w.line[w.i+1] = upperhex[b>>4]
	w.line[w.i+2] = upperhex[b&0x0f]
	w.i += 3

	return nil
}

const upperhex = "0123456789ABCDEF"

// checkLastByte encodes the last buffered byte if it is a space or a tab.
func (w *Writer) checkLastByte() error {
	if w.i == 0 {

					ch == '*' || ch == '\'' || ch == '%' ||
					isTSpecial(rune(ch)) {

					b.WriteString(value[offset:index])
					offset = index + 1

					b.WriteByte('%')
					b.WriteByte(upperhex[ch>>4])
					b.WriteByte(upperhex[ch&0x0F])
				}
			}
			b.WriteString(value[offset:])
			continue
		}

		if isToken(value) {
			b.WriteString(value)
			continue
		}

		b.WriteByte('"')
		offset := 0

    CharSequence testSeq = new StringBuilder(testString);
    CharSequence upperSeq = new StringBuilder(upperString);
    CharSequence[] lhs = new CharSequence[] {testString, testSeq, testString, testSeq};
    CharSequence[] rhs = new CharSequence[] {upperString, upperString, upperSeq, upperSeq};

    boolean dummy = false;
    for (int i = 0; i < reps; i++) {

    CharSequence testSeq = new StringBuilder(testString);
    CharSequence upperSeq = new StringBuilder(upperString);
    CharSequence[] lhs = new CharSequence[] {testString, testSeq, testString, testSeq};
    CharSequence[] rhs = new CharSequence[] {upperString, upperString, upperSeq, upperSeq};

    boolean dummy = false;
    for (int i = 0; i < reps; i++) {