const unicode/utf8.RuneError

60 uses

	unicode/utf8 (current package)
		utf8.go#L16: 	RuneError = '\uFFFD'     // the "error" Rune or "Unicode replacement character"
		utf8.go#L154: 		return RuneError, 0
		utf8.go#L163: 		return rune(p[0])&^mask | RuneError&mask, 1
		utf8.go#L168: 		return RuneError, 1
		utf8.go#L172: 		return RuneError, 1
		utf8.go#L179: 		return RuneError, 1
		utf8.go#L186: 		return RuneError, 1
		utf8.go#L202: 		return RuneError, 0
		utf8.go#L211: 		return rune(s[0])&^mask | RuneError&mask, 1
		utf8.go#L216: 		return RuneError, 1
		utf8.go#L220: 		return RuneError, 1
		utf8.go#L227: 		return RuneError, 1
		utf8.go#L234: 		return RuneError, 1
		utf8.go#L250: 		return RuneError, 0
		utf8.go#L274: 		return RuneError, 1
		utf8.go#L290: 		return RuneError, 0
		utf8.go#L314: 		return RuneError, 1
		utf8.go#L354: 		r = RuneError

	bufio
		scan.go#L296: var errorRune = []byte(string(utf8.RuneError))

	bytes
		bytes.go#L159: 	case r == utf8.RuneError:
		bytes.go#L162: 			if r1 == utf8.RuneError {
		bytes.go#L191: 				if r == utf8.RuneError {
		bytes.go#L205: 			r = utf8.RuneError
		bytes.go#L230: 		if r != utf8.RuneError {
		bytes.go#L278: 				if r == utf8.RuneError {
		bytes.go#L292: 			cr = utf8.RuneError
		bytes.go#L314: 		if r != utf8.RuneError {
		bytes.go#L567: 				rl = len(string(utf8.RuneError))

	crypto/x509
		verify.go#L1016: 		if c == utf8.RuneError {

	encoding/json
		decode.go#L1207: 		if rr == utf8.RuneError && size == 1 {
		encode.go#L1066: 		if c == utf8.RuneError && size == 1 {
		encode.go#L1138: 		if c == utf8.RuneError && size == 1 {

	fmt
		format.go#L466: 		r = utf8.RuneError
		format.go#L478: 		r = utf8.RuneError

	path
		match.go#L223: 	if r == utf8.RuneError && n == 1 {

	path/filepath
		match.go#L225: 	if r == utf8.RuneError && n == 1 {

	regexp/syntax
		parse.go#L1879: 		if rune == utf8.RuneError && size == 1 {
		parse.go#L1889: 	if c == utf8.RuneError && size == 1 {

	src.elv.sh/pkg/edit
		complete_getopt.go#L269: 			if r == utf8.RuneError || size != len(s) {

	src.elv.sh/pkg/eval/vals
		conversion.go#L177: 	if r == utf8.RuneError {
		index_string.go#L32: 	if r == utf8.RuneError {
		index_string.go#L43: 	return r != utf8.RuneError
		index_string.go#L51: 	return r != utf8.RuneError

	strconv
		quote.go#L42: 		if width == 1 && r == utf8.RuneError {
		quote.go#L57: 		r = utf8.RuneError
		quote.go#L215: 		if r == utf8.RuneError {
		quote.go#L411: 			if size == len(s) && (r != utf8.RuneError || size != 1) {

	strings
		strings.go#L29: 		if ch == utf8.RuneError {
		strings.go#L30: 			a[i] = string(utf8.RuneError)
		strings.go#L125: 	case r == utf8.RuneError:
		strings.go#L127: 			if r == utf8.RuneError {
		strings.go#L150: 			r = utf8.RuneError
		strings.go#L183: 			rc = utf8.RuneError
		strings.go#L203: 			rc = utf8.RuneError
		strings.go#L467: 		if r == c && c != utf8.RuneError {
		strings.go#L472: 		if c == utf8.RuneError {
		strings.go#L637: 		if c != utf8.RuneError {

	vendor/golang.org/x/net/idna
		idna10.0.0.go#L411: 			return s, bidi, runeError(utf8.RuneError)
		idna10.0.0.go#L459: 				err = runeError(utf8.RuneError)
		idna10.0.0.go#L602: 			return runeError(utf8.RuneError)