}
	i.p = next
	return i.buf[:decomposeHangul(i.buf[:], i.rb.src.hangul(p))]
}

func nextDone(i *Iter) []byte {
	return nil
}

// nextMulti is used for iterating over multi-segment decompositions
// for decomposing normal forms.
func nextMulti(i *Iter) []byte {
	j := 0
	d := i.multiSeg
	// skip first rune
	for j = 1; j < len(d) && !utf8.RuneStart(d[j]); j++ {
	}
	for j < len(d) {

	}
	i.p = next
	return i.buf[:decomposeHangul(i.buf[:], i.rb.src.hangul(p))]
}

func nextDone(i *Iter) []byte {
	return nil
}

// nextMulti is used for iterating over multi-segment decompositions
// for decomposing normal forms.
func nextMulti(i *Iter) []byte {
	j := 0
	d := i.multiSeg
	// skip first rune
	for j = 1; j < len(d) && !utf8.RuneStart(d[j]); j++ {
	}
	for j < len(d) {