var regexp.specialBytes

3 uses

	regexp (current package)
		regexp.go#L704: var specialBytes [16]byte
		regexp.go#L708: 	return b < utf8.RuneSelf && specialBytes[b%16]&(1<<(b/16)) != 0
		regexp.go#L713: 		specialBytes[b%16] |= 1 << (b / 16)