return copy(buf, in.bytes[b:e])
}

func (in *input) charinfoNFC(p int) (uint16, int) {
	if in.bytes == nil {
		return nfcData.lookupString(in.str[p:])
	}
	return nfcData.lookup(in.bytes[p:])
}

func (in *input) charinfoNFKC(p int) (uint16, int) {
	if in.bytes == nil {
		return nfkcData.lookupString(in.str[p:])
	}
	return nfkcData.lookup(in.bytes[p:])
}

func (in *input) hangul(p int) (r rune) {
	var size int

}

// PropertiesString returns properties for the first rune in s.
func (f Form) PropertiesString(s string) Properties {
	if f == NFC || f == NFD {
		return compInfo(nfcData.lookupString(s))
	}
	return compInfo(nfkcData.lookupString(s))
}

// compInfo converts the information contained in v and sz
// to a Properties.  See the comment at the top of the file
// for more information on the format.

		return t.lookupValue(uint32(i), s[3])
	}
	return 0
}

// lookupString returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *caseTrie) lookupString(s string) (v uint16, sz int) {
	c0 := s[0]
	switch {
	case c0 < 0x80: // is ASCII

		return t.lookupValue(uint32(i), s[3])
	}
	return 0
}

// lookupString returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *caseTrie) lookupString(s string) (v uint16, sz int) {
	c0 := s[0]
	switch {
	case c0 < 0x80: // is ASCII

		return t.lookupValue(uint32(i), s[3])
	}
	return 0
}

// lookupString returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *caseTrie) lookupString(s string) (v uint16, sz int) {
	c0 := s[0]
	switch {
	case c0 < 0x80: // is ASCII

		return t.lookupValue(uint32(i), s[3])
	}
	return 0
}

// lookupString returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *caseTrie) lookupString(s string) (v uint16, sz int) {
	c0 := s[0]
	switch {
	case c0 < 0x80: // is ASCII

		return t.lookupValue(uint32(i), s[3])
	}
	return 0
}

// lookupString returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *caseTrie) lookupString(s string) (v uint16, sz int) {
	c0 := s[0]
	switch {
	case c0 < 0x80: // is ASCII

		return t.lookupValue(uint32(i), s[3])
	}
	return 0
}

// lookupString returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *caseTrie) lookupString(s string) (v uint16, sz int) {
	c0 := s[0]
	switch {
	case c0 < 0x80: // is ASCII

		return t.lookupValue(uint32(i), s[3])
	}
	return 0
}

// lookupString returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *nfcTrie) lookupString(s string) (v uint16, sz int) {
	c0 := s[0]
	switch {
	case c0 < 0x80: // is ASCII

		return t.lookupValue(uint32(i), s[3])
	}
	return 0
}

// lookupString returns the trie value for the first UTF-8 encoding in s and
// the width in bytes of this encoding. The size will be 0 if s does not
// hold enough bytes to complete the encoding. len(s) must be greater than 0.
func (t *nfcTrie) lookupString(s string) (v uint16, sz int) {
	c0 := s[0]
	switch {
	case c0 < 0x80: // is ASCII