const encoding/base32.invalidIndex

3 uses

	encoding/base32 (current package)
		base32.go#L51: 	invalidIndex = '\xff'
		base32.go#L78: 		case e.decodeMap[encoder[i]] != invalidIndex:
		base32.go#L104: 	case padding != NoPadding && enc.decodeMap[byte(padding)] != invalidIndex:

The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)