return nil
}

// ReadRune reads a single UTF-8 encoded Unicode character and returns the
// rune and its size in bytes. If the encoded rune is invalid, it consumes one byte
// and returns unicode.ReplacementChar (U+FFFD) with a size of 1.
func (b *Reader) ReadRune() (r rune, size int, err error) {
	for b.r+utf8.UTFMax > b.w && !utf8.FullRune(b.buf[b.r:b.w]) && b.err == nil && b.w-b.r < len(b.buf) {

pkg unicode, const MaxASCII ideal-char
pkg unicode, const MaxCase ideal-int
pkg unicode, const MaxLatin1 ideal-char
pkg unicode, const MaxRune ideal-char
pkg unicode, const ReplacementChar ideal-char
pkg unicode, const TitleCase ideal-int
pkg unicode, const UpperCase ideal-int
pkg unicode, const UpperLower ideal-char
pkg unicode, const Version ideal-string

pkg unicode, const LowerCase = 1
pkg unicode, const MaxASCII = 127
pkg unicode, const MaxCase = 3
pkg unicode, const MaxLatin1 = 255
pkg unicode, const MaxRune = 1114111
pkg unicode, const ReplacementChar = 65533
pkg unicode, const TitleCase = 2
pkg unicode, const UpperCase = 0
pkg unicode, const UpperLower = 1114112
pkg unicode, const Version = "6.2.0"
pkg unicode, type RangeTable struct, LatinOffset int