type io.RuneReader

13 uses

	io (current package)
		io.go#L283: type RuneReader interface {
		io.go#L295: 	RuneReader

	github.com/yuin/goldmark/text
		reader.go#L18: 	io.RuneReader

	regexp
		exec.go#L66: func (i *inputs) newReader(r io.RuneReader) input {
		exec.go#L85: func (i *inputs) init(r io.RuneReader, b []byte, s string) (input, int) {
		exec.go#L397: func (re *Regexp) doOnePass(ir io.RuneReader, ib []byte, is string, pos, ncap int, dstCap []int) []int {
		exec.go#L513: func (re *Regexp) doMatch(r io.RuneReader, b []byte, s string) bool {
		exec.go#L521: func (re *Regexp) doExecute(r io.RuneReader, b []byte, s string, pos int, ncap int, dstCap []int) []int {
		regexp.go#L474: 	r     io.RuneReader
		regexp.go#L518: func (re *Regexp) MatchReader(r io.RuneReader) bool {
		regexp.go#L537: func MatchReader(pattern string, r io.RuneReader) (matched bool, err error) {
		regexp.go#L867: func (re *Regexp) FindReaderIndex(r io.RuneReader) (loc []int) {
		regexp.go#L1066: func (re *Regexp) FindReaderSubmatchIndex(r io.RuneReader) []int {