}

		t := new(taggedEncoder)

		t.tag = bytesEncoder(appendTagAndLength(t.scratch[:0], tagAndLength{rv.Class, rv.Tag, len(rv.Bytes), rv.IsCompound}))
		t.body = bytesEncoder(rv.Bytes)

		return t, nil
	}

	matchAny, tag, isCompound, ok := getUniversalType(v.Type())
	if !ok || matchAny {
		return nil, StructuralError{fmt.Sprintf("unknown Go type: %v", v.Type())}
	}

		bmpString = bmpString[2:]
	}

	return string(utf16.Decode(s)), nil
}

// A RawValue represents an undecoded ASN.1 object.
type RawValue struct {
	Class, Tag int
	IsCompound bool
	Bytes      []byte
	FullBytes  []byte // includes the tag and length
}

// RawContent is used to signal that the undecoded, DER data needs to be

	type untaggedRawValue struct {
		A RawValue
	}
	const isCompound = 0x20
	const tag = 5

	tests := []struct {
		shouldMatch bool
		derBytes    []byte
	}{
		{false, []byte{0x30, 3, TagInteger, 1, 1}},
		{true, []byte{0x30, 3, (ClassContextSpecific << 6) | tag, 1, 1}},
		{true, []byte{0x30, 3, (ClassContextSpecific << 6) | tag | isCompound, 1, 1}},

	{genericStringTest{"test&"}, "30070c057465737426"},
	{rawContentsStruct{nil, 64}, "3003020140"},
	{rawContentsStruct{[]byte{0x30, 3, 1, 2, 3}, 64}, "3003010203"},
	{RawValue{Tag: 1, Class: 2, IsCompound: false, Bytes: []byte{1, 2, 3}}, "8103010203"},
	{testSET([]int{10}), "310302010a"},
	{omitEmptyTest{[]string{}}, "3000"},
	{omitEmptyTest{[]string{"1"}}, "30053003130131"},
	{"Σ", "0c02cea3"},