BYTE $0x1c; BYTE $0x1d; BYTE $0x1e; BYTE $0x1f
	BYTE $0x40; BYTE $0x5a; BYTE $0x7f; BYTE $0x7b
	BYTE $0x5b; BYTE $0x6c; BYTE $0x50; BYTE $0x7d
	BYTE $0x4d; BYTE $0x5d; BYTE $0x5c; BYTE $0x4e
	BYTE $0x6b; BYTE $0x60; BYTE $0x4b; BYTE $0x61
	BYTE $0xf0; BYTE $0xf1; BYTE $0xf2; BYTE $0xf3
	BYTE $0xf4; BYTE $0xf5; BYTE $0xf6; BYTE $0xf7
	BYTE $0xf8; BYTE $0xf9; BYTE $0x7a; BYTE $0x5e

    assertThat(Buffer().writeUtf8("white\t space").isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeByte(0x80).isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeByte(0x00).isProbablyUtf8()).isFalse()
    assertThat(Buffer().writeByte(0xc0).isProbablyUtf8()).isFalse()
  }

	msg := []byte{
		0x85, 0x9e, 0xef, 0x2f, 0xd7, 0x8a, 0xca, 0x00, 0x30, 0x8b,
		0xdc, 0x47, 0x11, 0x93, 0xbf, 0x55, 0xbf, 0x9d, 0x78, 0xdb,
		0x8f, 0x8a, 0x67, 0x2b, 0x48, 0x46, 0x34, 0xf3, 0xc9, 0xc2,
		0x6e, 0x64, 0x78, 0xae, 0x10, 0x26, 0x0f, 0xe0, 0xdd, 0x8c,
		0x08, 0x2e, 0x53, 0xa5, 0x29, 0x3a, 0xf2, 0x17, 0x3c, 0xd5,
		0x0c, 0x6d, 0x5d, 0x35, 0x4f, 0xeb, 0xf7, 0x8b, 0x26, 0x02,
		0x1c, 0x25, 0xc0, 0x27, 0x12, 0xe7, 0x8c, 0xd4, 0x69, 0x4c,

			case *syscall.SockaddrInet4:
				ip = IPv4(sa.Addr[0], sa.Addr[1], sa.Addr[2], sa.Addr[3])
			case *syscall.SockaddrInet6:
				ip = make(IP, IPv6len)
				copy(ip, sa.Addr[:])
				if ip[0] == 0xfe && ip[1] == 0xc0 {
					// fec0/10 IPv6 addresses are site local anycast DNS
					// addresses Microsoft sets by default if no other
					// IPv6 DNS address is set. Site local anycast is
					// deprecated since 2004, see

	0xe1, 0xff, 0x33, 0xd9, 0xec, 0x20, 0x63, 0xd7, 0x14, 0x1b, 0xa8, 0x14, 0x43, 0x5e, 0x24, 0x52,
	0xf1, 0x97, 0xc7, 0x65, 0x0e, 0x8a, 0xcd, 0x17, 0x50, 0xe4, 0x50, 0xf3, 0x57, 0xc5, 0xad, 0xde,
	0xd6, 0x2e, 0x47, 0xa8, 0xb1, 0xdf, 0x11, 0xd7, 0x51, 0xb5, 0x4b, 0x83, 0xf0, 0xa1, 0xf7, 0x14,
	0x0e, 0xe9, 0xab, 0x71, 0x80, 0x2f, 0xd0, 0xd9, 0x60, 0xe8, 0xf5, 0xc3, 0x60, 0xd0, 0x75, 0xaf,

		Precedence: 1,
		Label:      3,
	},
	{
		// "2001::/32"
		// Teredo
		Prefix:     netip.PrefixFrom(netip.AddrFrom16([16]byte{0x20, 0x01}), 32),
		Precedence: 5,
		Label:      5,
	},
	{
		// "2002::/16"
		// 6to4
		Prefix:     netip.PrefixFrom(netip.AddrFrom16([16]byte{0x20, 0x02}), 16),
		Precedence: 30,
		Label:      2,
	},
	{
		// "3ffe::/16"

)

const (
	valid               category = 0x08
	validNV8            category = 0x18
	validXV8            category = 0x28
	disallowed          category = 0x40
	disallowedSTD3Valid category = 0x80
	ignored             category = 0xC0
)

// join types and additional rune information
const (
	joiningL = (iota + 1)
	joiningD
	joiningT
	joiningR

	//the following types are derived during processing

	// to how other linkers handle this (for example this code in lld:
	// https://github.com/llvm/llvm-project/blob/2a3a79ce4c2149d7787d56f9841b66cacc9061d0/lld/MachO/Writer.cpp#L524).
	rv[6] &= 0xcf
	rv[6] |= 0x30
	rv[8] &= 0x3f
	rv[8] |= 0xc0

	return rv
}

// machoRewriteUuid copies over the contents of the Macho executable
// exef into the output file outexe, and in the process updates the

	RET

// MD5 constants table

	// Round 1
	DATA	·table+0x00(SB)/4, $0xd76aa478
	DATA	·table+0x04(SB)/4, $0xe8c7b756
	DATA	·table+0x08(SB)/4, $0x242070db
	DATA	·table+0x0c(SB)/4, $0xc1bdceee
	DATA	·table+0x10(SB)/4, $0xf57c0faf
	DATA	·table+0x14(SB)/4, $0x4787c62a
	DATA	·table+0x18(SB)/4, $0xa8304613
	DATA	·table+0x1c(SB)/4, $0xfd469501
	DATA	·table+0x20(SB)/4, $0x698098d8
	DATA	·table+0x24(SB)/4, $0x8b44f7af

#define BLOCKS R17

// for VPERMXOR
#define MASK  R18

DATA consts<>+0x00(SB)/8, $0x3320646e61707865
DATA consts<>+0x08(SB)/8, $0x6b20657479622d32
DATA consts<>+0x10(SB)/8, $0x0000000000000001
DATA consts<>+0x18(SB)/8, $0x0000000000000000
DATA consts<>+0x20(SB)/8, $0x0000000000000004
DATA consts<>+0x28(SB)/8, $0x0000000000000000
DATA consts<>+0x30(SB)/8, $0x0a0b08090e0f0c0d
DATA consts<>+0x38(SB)/8, $0x0203000106070405