Migrate away from templ and towards html/template

16 files changed, 6368 insertions, 0 deletions

diff --git a/vendor/golang.org/x/text/internal/gen/code.go b/vendor/golang.org/x/text/internal/gen/code.go
new file mode 100644
index 0000000..75435c9
--- /dev/null
+++ b/vendor/golang.org/x/text/internal/gen/code.go
@@ -0,0 +1,375 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package gen
+
+import (
+	"bytes"
+	"encoding/gob"
+	"fmt"
+	"hash"
+	"hash/fnv"
+	"io"
+	"log"
+	"os"
+	"reflect"
+	"strings"
+	"unicode"
+	"unicode/utf8"
+)
+
+// This file contains utilities for generating code.
+
+// TODO: other write methods like:
+// - slices, maps, types, etc.
+
+// CodeWriter is a utility for writing structured code. It computes the content
+// hash and size of written content. It ensures there are newlines between
+// written code blocks.
+type CodeWriter struct {
+	buf  bytes.Buffer
+	Size int
+	Hash hash.Hash32 // content hash
+	gob  *gob.Encoder
+	// For comments we skip the usual one-line separator if they are followed by
+	// a code block.
+	skipSep bool
+}
+
+func (w *CodeWriter) Write(p []byte) (n int, err error) {
+	return w.buf.Write(p)
+}
+
+// NewCodeWriter returns a new CodeWriter.
+func NewCodeWriter() *CodeWriter {
+	h := fnv.New32()
+	return &CodeWriter{Hash: h, gob: gob.NewEncoder(h)}
+}
+
+// WriteGoFile appends the buffer with the total size of all created structures
+// and writes it as a Go file to the given file with the given package name.
+func (w *CodeWriter) WriteGoFile(filename, pkg string) {
+	f, err := os.Create(filename)
+	if err != nil {
+		log.Fatalf("Could not create file %s: %v", filename, err)
+	}
+	defer f.Close()
+	if _, err = w.WriteGo(f, pkg, ""); err != nil {
+		log.Fatalf("Error writing file %s: %v", filename, err)
+	}
+}
+
+// WriteVersionedGoFile appends the buffer with the total size of all created
+// structures and writes it as a Go file to the given file with the given
+// package name and build tags for the current Unicode version,
+func (w *CodeWriter) WriteVersionedGoFile(filename, pkg string) {
+	tags := buildTags()
+	if tags != "" {
+		pattern := fileToPattern(filename)
+		updateBuildTags(pattern)
+		filename = fmt.Sprintf(pattern, UnicodeVersion())
+	}
+	f, err := os.Create(filename)
+	if err != nil {
+		log.Fatalf("Could not create file %s: %v", filename, err)
+	}
+	defer f.Close()
+	if _, err = w.WriteGo(f, pkg, tags); err != nil {
+		log.Fatalf("Error writing file %s: %v", filename, err)
+	}
+}
+
+// WriteGo appends the buffer with the total size of all created structures and
+// writes it as a Go file to the given writer with the given package name.
+func (w *CodeWriter) WriteGo(out io.Writer, pkg, tags string) (n int, err error) {
+	sz := w.Size
+	if sz > 0 {
+		w.WriteComment("Total table size %d bytes (%dKiB); checksum: %X\n", sz, sz/1024, w.Hash.Sum32())
+	}
+	defer w.buf.Reset()
+	return WriteGo(out, pkg, tags, w.buf.Bytes())
+}
+
+func (w *CodeWriter) printf(f string, x ...interface{}) {
+	fmt.Fprintf(w, f, x...)
+}
+
+func (w *CodeWriter) insertSep() {
+	if w.skipSep {
+		w.skipSep = false
+		return
+	}
+	// Use at least two newlines to ensure a blank space between the previous
+	// block. WriteGoFile will remove extraneous newlines.
+	w.printf("\n\n")
+}
+
+// WriteComment writes a comment block. All line starts are prefixed with "//".
+// Initial empty lines are gobbled. The indentation for the first line is
+// stripped from consecutive lines.
+func (w *CodeWriter) WriteComment(comment string, args ...interface{}) {
+	s := fmt.Sprintf(comment, args...)
+	s = strings.Trim(s, "\n")
+
+	// Use at least two newlines to ensure a blank space between the previous
+	// block. WriteGoFile will remove extraneous newlines.
+	w.printf("\n\n// ")
+	w.skipSep = true
+
+	// strip first indent level.
+	sep := "\n"
+	for ; len(s) > 0 && (s[0] == '\t' || s[0] == ' '); s = s[1:] {
+		sep += s[:1]
+	}
+
+	strings.NewReplacer(sep, "\n// ", "\n", "\n// ").WriteString(w, s)
+
+	w.printf("\n")
+}
+
+func (w *CodeWriter) writeSizeInfo(size int) {
+	w.printf("// Size: %d bytes\n", size)
+}
+
+// WriteConst writes a constant of the given name and value.
+func (w *CodeWriter) WriteConst(name string, x interface{}) {
+	w.insertSep()
+	v := reflect.ValueOf(x)
+
+	switch v.Type().Kind() {
+	case reflect.String:
+		w.printf("const %s %s = ", name, typeName(x))
+		w.WriteString(v.String())
+		w.printf("\n")
+	default:
+		w.printf("const %s = %#v\n", name, x)
+	}
+}
+
+// WriteVar writes a variable of the given name and value.
+func (w *CodeWriter) WriteVar(name string, x interface{}) {
+	w.insertSep()
+	v := reflect.ValueOf(x)
+	oldSize := w.Size
+	sz := int(v.Type().Size())
+	w.Size += sz
+
+	switch v.Type().Kind() {
+	case reflect.String:
+		w.printf("var %s %s = ", name, typeName(x))
+		w.WriteString(v.String())
+	case reflect.Struct:
+		w.gob.Encode(x)
+		fallthrough
+	case reflect.Slice, reflect.Array:
+		w.printf("var %s = ", name)
+		w.writeValue(v)
+		w.writeSizeInfo(w.Size - oldSize)
+	default:
+		w.printf("var %s %s = ", name, typeName(x))
+		w.gob.Encode(x)
+		w.writeValue(v)
+		w.writeSizeInfo(w.Size - oldSize)
+	}
+	w.printf("\n")
+}
+
+func (w *CodeWriter) writeValue(v reflect.Value) {
+	x := v.Interface()
+	switch v.Kind() {
+	case reflect.String:
+		w.WriteString(v.String())
+	case reflect.Array:
+		// Don't double count: callers of WriteArray count on the size being
+		// added, so we need to discount it here.
+		w.Size -= int(v.Type().Size())
+		w.writeSlice(x, true)
+	case reflect.Slice:
+		w.writeSlice(x, false)
+	case reflect.Struct:
+		w.printf("%s{\n", typeName(v.Interface()))
+		t := v.Type()
+		for i := 0; i < v.NumField(); i++ {
+			w.printf("%s: ", t.Field(i).Name)
+			w.writeValue(v.Field(i))
+			w.printf(",\n")
+		}
+		w.printf("}")
+	default:
+		w.printf("%#v", x)
+	}
+}
+
+// WriteString writes a string literal.
+func (w *CodeWriter) WriteString(s string) {
+	io.WriteString(w.Hash, s) // content hash
+	w.Size += len(s)
+
+	const maxInline = 40
+	if len(s) <= maxInline {
+		w.printf("%q", s)
+		return
+	}
+
+	// We will render the string as a multi-line string.
+	const maxWidth = 80 - 4 - len(`"`) - len(`" +`)
+
+	// When starting on its own line, go fmt indents line 2+ an extra level.
+	n, max := maxWidth, maxWidth-4
+
+	// As per https://golang.org/issue/18078, the compiler has trouble
+	// compiling the concatenation of many strings, s0 + s1 + s2 + ... + sN,
+	// for large N. We insert redundant, explicit parentheses to work around
+	// that, lowering the N at any given step: (s0 + s1 + ... + s63) + (s64 +
+	// ... + s127) + etc + (etc + ... + sN).
+	explicitParens, extraComment := len(s) > 128*1024, ""
+	if explicitParens {
+		w.printf(`(`)
+		extraComment = "; the redundant, explicit parens are for https://golang.org/issue/18078"
+	}
+
+	// Print "" +\n, if a string does not start on its own line.
+	b := w.buf.Bytes()
+	if p := len(bytes.TrimRight(b, " \t")); p > 0 && b[p-1] != '\n' {
+		w.printf("\"\" + // Size: %d bytes%s\n", len(s), extraComment)
+		n, max = maxWidth, maxWidth
+	}
+
+	w.printf(`"`)
+
+	for sz, p, nLines := 0, 0, 0; p < len(s); {
+		var r rune
+		r, sz = utf8.DecodeRuneInString(s[p:])
+		out := s[p : p+sz]
+		chars := 1
+		if !unicode.IsPrint(r) || r == utf8.RuneError || r == '"' {
+			switch sz {
+			case 1:
+				out = fmt.Sprintf("\\x%02x", s[p])
+			case 2, 3:
+				out = fmt.Sprintf("\\u%04x", r)
+			case 4:
+				out = fmt.Sprintf("\\U%08x", r)
+			}
+			chars = len(out)
+		} else if r == '\\' {
+			out = "\\" + string(r)
+			chars = 2
+		}
+		if n -= chars; n < 0 {
+			nLines++
+			if explicitParens && nLines&63 == 63 {
+				w.printf("\") + (\"")
+			}
+			w.printf("\" +\n\"")
+			n = max - len(out)
+		}
+		w.printf("%s", out)
+		p += sz
+	}
+	w.printf(`"`)
+	if explicitParens {
+		w.printf(`)`)
+	}
+}
+
+// WriteSlice writes a slice value.
+func (w *CodeWriter) WriteSlice(x interface{}) {
+	w.writeSlice(x, false)
+}
+
+// WriteArray writes an array value.
+func (w *CodeWriter) WriteArray(x interface{}) {
+	w.writeSlice(x, true)
+}
+
+func (w *CodeWriter) writeSlice(x interface{}, isArray bool) {
+	v := reflect.ValueOf(x)
+	w.gob.Encode(v.Len())
+	w.Size += v.Len() * int(v.Type().Elem().Size())
+	name := typeName(x)
+	if isArray {
+		name = fmt.Sprintf("[%d]%s", v.Len(), name[strings.Index(name, "]")+1:])
+	}
+	if isArray {
+		w.printf("%s{\n", name)
+	} else {
+		w.printf("%s{ // %d elements\n", name, v.Len())
+	}
+
+	switch kind := v.Type().Elem().Kind(); kind {
+	case reflect.String:
+		for _, s := range x.([]string) {
+			w.WriteString(s)
+			w.printf(",\n")
+		}
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
+		reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		// nLine and nBlock are the number of elements per line and block.
+		nLine, nBlock, format := 8, 64, "%d,"
+		switch kind {
+		case reflect.Uint8:
+			format = "%#02x,"
+		case reflect.Uint16:
+			format = "%#04x,"
+		case reflect.Uint32:
+			nLine, nBlock, format = 4, 32, "%#08x,"
+		case reflect.Uint, reflect.Uint64:
+			nLine, nBlock, format = 4, 32, "%#016x,"
+		case reflect.Int8:
+			nLine = 16
+		}
+		n := nLine
+		for i := 0; i < v.Len(); i++ {
+			if i%nBlock == 0 && v.Len() > nBlock {
+				w.printf("// Entry %X - %X\n", i, i+nBlock-1)
+			}
+			x := v.Index(i).Interface()
+			w.gob.Encode(x)
+			w.printf(format, x)
+			if n--; n == 0 {
+				n = nLine
+				w.printf("\n")
+			}
+		}
+		w.printf("\n")
+	case reflect.Struct:
+		zero := reflect.Zero(v.Type().Elem()).Interface()
+		for i := 0; i < v.Len(); i++ {
+			x := v.Index(i).Interface()
+			w.gob.EncodeValue(v)
+			if !reflect.DeepEqual(zero, x) {
+				line := fmt.Sprintf("%#v,\n", x)
+				line = line[strings.IndexByte(line, '{'):]
+				w.printf("%d: ", i)
+				w.printf(line)
+			}
+		}
+	case reflect.Array:
+		for i := 0; i < v.Len(); i++ {
+			w.printf("%d: %#v,\n", i, v.Index(i).Interface())
+		}
+	default:
+		panic("gen: slice elem type not supported")
+	}
+	w.printf("}")
+}
+
+// WriteType writes a definition of the type of the given value and returns the
+// type name.
+func (w *CodeWriter) WriteType(x interface{}) string {
+	t := reflect.TypeOf(x)
+	w.printf("type %s struct {\n", t.Name())
+	for i := 0; i < t.NumField(); i++ {
+		w.printf("\t%s %s\n", t.Field(i).Name, t.Field(i).Type)
+	}
+	w.printf("}\n")
+	return t.Name()
+}
+
+// typeName returns the name of the go type of x.
+func typeName(x interface{}) string {
+	t := reflect.ValueOf(x).Type()
+	return strings.Replace(fmt.Sprint(t), "main.", "", 1)
+}
diff --git a/vendor/golang.org/x/text/internal/gen/gen.go b/vendor/golang.org/x/text/internal/gen/gen.go
new file mode 100644
index 0000000..78bfef6
--- /dev/null
+++ b/vendor/golang.org/x/text/internal/gen/gen.go
@@ -0,0 +1,354 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package gen contains common code for the various code generation tools in the
+// text repository. Its usage ensures consistency between tools.
+//
+// This package defines command line flags that are common to most generation
+// tools. The flags allow for specifying specific Unicode and CLDR versions
+// in the public Unicode data repository (https://www.unicode.org/Public).
+//
+// A local Unicode data mirror can be set through the flag -local or the
+// environment variable UNICODE_DIR. The former takes precedence. The local
+// directory should follow the same structure as the public repository.
+//
+// IANA data can also optionally be mirrored by putting it in the iana directory
+// rooted at the top of the local mirror. Beware, though, that IANA data is not
+// versioned. So it is up to the developer to use the right version.
+package gen // import "golang.org/x/text/internal/gen"
+
+import (
+	"bytes"
+	"flag"
+	"fmt"
+	"go/build"
+	"go/format"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"path"
+	"path/filepath"
+	"regexp"
+	"strings"
+	"sync"
+	"unicode"
+
+	"golang.org/x/text/unicode/cldr"
+)
+
+var (
+	url = flag.String("url",
+		"https://www.unicode.org/Public",
+		"URL of Unicode database directory")
+	iana = flag.String("iana",
+		"http://www.iana.org",
+		"URL of the IANA repository")
+	unicodeVersion = flag.String("unicode",
+		getEnv("UNICODE_VERSION", unicode.Version),
+		"unicode version to use")
+	cldrVersion = flag.String("cldr",
+		getEnv("CLDR_VERSION", cldr.Version),
+		"cldr version to use")
+)
+
+func getEnv(name, def string) string {
+	if v := os.Getenv(name); v != "" {
+		return v
+	}
+	return def
+}
+
+// Init performs common initialization for a gen command. It parses the flags
+// and sets up the standard logging parameters.
+func Init() {
+	log.SetPrefix("")
+	log.SetFlags(log.Lshortfile)
+	flag.Parse()
+}
+
+const header = `// Code generated by running "go generate" in golang.org/x/text. DO NOT EDIT.
+
+`
+
+// UnicodeVersion reports the requested Unicode version.
+func UnicodeVersion() string {
+	return *unicodeVersion
+}
+
+// CLDRVersion reports the requested CLDR version.
+func CLDRVersion() string {
+	return *cldrVersion
+}
+
+var tags = []struct{ version, buildTags string }{
+	{"9.0.0", "!go1.10"},
+	{"10.0.0", "go1.10,!go1.13"},
+	{"11.0.0", "go1.13,!go1.14"},
+	{"12.0.0", "go1.14,!go1.16"},
+	{"13.0.0", "go1.16,!go1.21"},
+	{"15.0.0", "go1.21"},
+}
+
+// buildTags reports the build tags used for the current Unicode version.
+func buildTags() string {
+	v := UnicodeVersion()
+	for _, e := range tags {
+		if e.version == v {
+			return e.buildTags
+		}
+	}
+	log.Fatalf("Unknown build tags for Unicode version %q.", v)
+	return ""
+}
+
+// IsLocal reports whether data files are available locally.
+func IsLocal() bool {
+	dir, err := localReadmeFile()
+	if err != nil {
+		return false
+	}
+	if _, err = os.Stat(dir); err != nil {
+		return false
+	}
+	return true
+}
+
+// OpenUCDFile opens the requested UCD file. The file is specified relative to
+// the public Unicode root directory. It will call log.Fatal if there are any
+// errors.
+func OpenUCDFile(file string) io.ReadCloser {
+	return openUnicode(path.Join(*unicodeVersion, "ucd", file))
+}
+
+// OpenCLDRCoreZip opens the CLDR core zip file. It will call log.Fatal if there
+// are any errors.
+func OpenCLDRCoreZip() io.ReadCloser {
+	return OpenUnicodeFile("cldr", *cldrVersion, "core.zip")
+}
+
+// OpenUnicodeFile opens the requested file of the requested category from the
+// root of the Unicode data archive. The file is specified relative to the
+// public Unicode root directory. If version is "", it will use the default
+// Unicode version. It will call log.Fatal if there are any errors.
+func OpenUnicodeFile(category, version, file string) io.ReadCloser {
+	if version == "" {
+		version = UnicodeVersion()
+	}
+	return openUnicode(path.Join(category, version, file))
+}
+
+// OpenIANAFile opens the requested IANA file. The file is specified relative
+// to the IANA root, which is typically either http://www.iana.org or the
+// iana directory in the local mirror. It will call log.Fatal if there are any
+// errors.
+func OpenIANAFile(path string) io.ReadCloser {
+	return Open(*iana, "iana", path)
+}
+
+var (
+	dirMutex sync.Mutex
+	localDir string
+)
+
+const permissions = 0755
+
+func localReadmeFile() (string, error) {
+	p, err := build.Import("golang.org/x/text", "", build.FindOnly)
+	if err != nil {
+		return "", fmt.Errorf("Could not locate package: %v", err)
+	}
+	return filepath.Join(p.Dir, "DATA", "README"), nil
+}
+
+func getLocalDir() string {
+	dirMutex.Lock()
+	defer dirMutex.Unlock()
+
+	readme, err := localReadmeFile()
+	if err != nil {
+		log.Fatal(err)
+	}
+	dir := filepath.Dir(readme)
+	if _, err := os.Stat(readme); err != nil {
+		if err := os.MkdirAll(dir, permissions); err != nil {
+			log.Fatalf("Could not create directory: %v", err)
+		}
+		os.WriteFile(readme, []byte(readmeTxt), permissions)
+	}
+	return dir
+}
+
+const readmeTxt = `Generated by golang.org/x/text/internal/gen. DO NOT EDIT.
+
+This directory contains downloaded files used to generate the various tables
+in the golang.org/x/text subrepo.
+
+Note that the language subtag repo (iana/assignments/language-subtag-registry)
+and all other times in the iana subdirectory are not versioned and will need
+to be periodically manually updated. The easiest way to do this is to remove
+the entire iana directory. This is mostly of concern when updating the language
+package.
+`
+
+// Open opens subdir/path if a local directory is specified and the file exists,
+// where subdir is a directory relative to the local root, or fetches it from
+// urlRoot/path otherwise. It will call log.Fatal if there are any errors.
+func Open(urlRoot, subdir, path string) io.ReadCloser {
+	file := filepath.Join(getLocalDir(), subdir, filepath.FromSlash(path))
+	return open(file, urlRoot, path)
+}
+
+func openUnicode(path string) io.ReadCloser {
+	file := filepath.Join(getLocalDir(), filepath.FromSlash(path))
+	return open(file, *url, path)
+}
+
+// TODO: automatically periodically update non-versioned files.
+
+func open(file, urlRoot, path string) io.ReadCloser {
+	if f, err := os.Open(file); err == nil {
+		return f
+	}
+	r := get(urlRoot, path)
+	defer r.Close()
+	b, err := io.ReadAll(r)
+	if err != nil {
+		log.Fatalf("Could not download file: %v", err)
+	}
+	os.MkdirAll(filepath.Dir(file), permissions)
+	if err := os.WriteFile(file, b, permissions); err != nil {
+		log.Fatalf("Could not create file: %v", err)
+	}
+	return io.NopCloser(bytes.NewReader(b))
+}
+
+func get(root, path string) io.ReadCloser {
+	url := root + "/" + path
+	fmt.Printf("Fetching %s...", url)
+	defer fmt.Println(" done.")
+	resp, err := http.Get(url)
+	if err != nil {
+		log.Fatalf("HTTP GET: %v", err)
+	}
+	if resp.StatusCode != 200 {
+		log.Fatalf("Bad GET status for %q: %q", url, resp.Status)
+	}
+	return resp.Body
+}
+
+// TODO: use Write*Version in all applicable packages.
+
+// WriteUnicodeVersion writes a constant for the Unicode version from which the
+// tables are generated.
+func WriteUnicodeVersion(w io.Writer) {
+	fmt.Fprintf(w, "// UnicodeVersion is the Unicode version from which the tables in this package are derived.\n")
+	fmt.Fprintf(w, "const UnicodeVersion = %q\n\n", UnicodeVersion())
+}
+
+// WriteCLDRVersion writes a constant for the CLDR version from which the
+// tables are generated.
+func WriteCLDRVersion(w io.Writer) {
+	fmt.Fprintf(w, "// CLDRVersion is the CLDR version from which the tables in this package are derived.\n")
+	fmt.Fprintf(w, "const CLDRVersion = %q\n\n", CLDRVersion())
+}
+
+// WriteGoFile prepends a standard file comment and package statement to the
+// given bytes, applies gofmt, and writes them to a file with the given name.
+// It will call log.Fatal if there are any errors.
+func WriteGoFile(filename, pkg string, b []byte) {
+	w, err := os.Create(filename)
+	if err != nil {
+		log.Fatalf("Could not create file %s: %v", filename, err)
+	}
+	defer w.Close()
+	if _, err = WriteGo(w, pkg, "", b); err != nil {
+		log.Fatalf("Error writing file %s: %v", filename, err)
+	}
+}
+
+func fileToPattern(filename string) string {
+	suffix := ".go"
+	if strings.HasSuffix(filename, "_test.go") {
+		suffix = "_test.go"
+	}
+	prefix := filename[:len(filename)-len(suffix)]
+	return fmt.Sprint(prefix, "%s", suffix)
+}
+
+// tagLines returns the //go:build lines to add to the file.
+func tagLines(tags string) string {
+	return "//go:build " + strings.ReplaceAll(tags, ",", " && ") + "\n"
+}
+
+func updateBuildTags(pattern string) {
+	for _, t := range tags {
+		oldFile := fmt.Sprintf(pattern, t.version)
+		b, err := os.ReadFile(oldFile)
+		if err != nil {
+			continue
+		}
+		b = regexp.MustCompile(`//go:build.*\n`).ReplaceAll(b, []byte(tagLines(t.buildTags)))
+		err = os.WriteFile(oldFile, b, 0644)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+}
+
+// WriteVersionedGoFile prepends a standard file comment, adds build tags to
+// version the file for the current Unicode version, and package statement to
+// the given bytes, applies gofmt, and writes them to a file with the given
+// name. It will call log.Fatal if there are any errors.
+func WriteVersionedGoFile(filename, pkg string, b []byte) {
+	pattern := fileToPattern(filename)
+	updateBuildTags(pattern)
+	filename = fmt.Sprintf(pattern, UnicodeVersion())
+
+	w, err := os.Create(filename)
+	if err != nil {
+		log.Fatalf("Could not create file %s: %v", filename, err)
+	}
+	defer w.Close()
+	if _, err = WriteGo(w, pkg, buildTags(), b); err != nil {
+		log.Fatalf("Error writing file %s: %v", filename, err)
+	}
+}
+
+// WriteGo prepends a standard file comment and package statement to the given
+// bytes, applies gofmt, and writes them to w.
+func WriteGo(w io.Writer, pkg, tags string, b []byte) (n int, err error) {
+	src := []byte(header)
+	if tags != "" {
+		src = append(src, tagLines(tags)...)
+		src = append(src, '\n')
+	}
+	src = append(src, fmt.Sprintf("package %s\n\n", pkg)...)
+	src = append(src, b...)
+	formatted, err := format.Source(src)
+	if err != nil {
+		// Print the generated code even in case of an error so that the
+		// returned error can be meaningfully interpreted.
+		n, _ = w.Write(src)
+		return n, err
+	}
+	return w.Write(formatted)
+}
+
+// Repackage rewrites a Go file from belonging to package main to belonging to
+// the given package.
+func Repackage(inFile, outFile, pkg string) {
+	src, err := os.ReadFile(inFile)
+	if err != nil {
+		log.Fatalf("reading %s: %v", inFile, err)
+	}
+	const toDelete = "package main\n\n"
+	i := bytes.Index(src, []byte(toDelete))
+	if i < 0 {
+		log.Fatalf("Could not find %q in %s.", toDelete, inFile)
+	}
+	w := &bytes.Buffer{}
+	w.Write(src[i+len(toDelete):])
+	WriteGoFile(outFile, pkg, w.Bytes())
+}
diff --git a/vendor/golang.org/x/text/message/pipeline/extract.go b/vendor/golang.org/x/text/message/pipeline/extract.go
new file mode 100644
index 0000000..a15a7f9
--- /dev/null
+++ b/vendor/golang.org/x/text/message/pipeline/extract.go
@@ -0,0 +1,821 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package pipeline
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"go/ast"
+	"go/constant"
+	"go/format"
+	"go/token"
+	"go/types"
+	"path/filepath"
+	"sort"
+	"strings"
+	"unicode"
+	"unicode/utf8"
+
+	fmtparser "golang.org/x/text/internal/format"
+	"golang.org/x/tools/go/callgraph"
+	"golang.org/x/tools/go/callgraph/cha"
+	"golang.org/x/tools/go/loader"
+	"golang.org/x/tools/go/ssa"
+	"golang.org/x/tools/go/ssa/ssautil"
+)
+
+const debug = false
+
+// TODO:
+// - merge information into existing files
+// - handle different file formats (PO, XLIFF)
+// - handle features (gender, plural)
+// - message rewriting
+
+// - `msg:"etc"` tags
+
+// Extract extracts all strings form the package defined in Config.
+func Extract(c *Config) (*State, error) {
+	x, err := newExtracter(c)
+	if err != nil {
+		return nil, wrap(err, "")
+	}
+
+	if err := x.seedEndpoints(); err != nil {
+		return nil, err
+	}
+	x.extractMessages()
+
+	return &State{
+		Config:  *c,
+		program: x.iprog,
+		Extracted: Messages{
+			Language: c.SourceLanguage,
+			Messages: x.messages,
+		},
+	}, nil
+}
+
+type extracter struct {
+	conf      loader.Config
+	iprog     *loader.Program
+	prog      *ssa.Program
+	callGraph *callgraph.Graph
+
+	// Calls and other expressions to collect.
+	globals  map[token.Pos]*constData
+	funcs    map[token.Pos]*callData
+	messages []Message
+}
+
+func newExtracter(c *Config) (x *extracter, err error) {
+	x = &extracter{
+		conf:    loader.Config{},
+		globals: map[token.Pos]*constData{},
+		funcs:   map[token.Pos]*callData{},
+	}
+
+	x.iprog, err = loadPackages(&x.conf, c.Packages)
+	if err != nil {
+		return nil, wrap(err, "")
+	}
+
+	x.prog = ssautil.CreateProgram(x.iprog, ssa.GlobalDebug|ssa.BareInits)
+	x.prog.Build()
+
+	x.callGraph = cha.CallGraph(x.prog)
+
+	return x, nil
+}
+
+func (x *extracter) globalData(pos token.Pos) *constData {
+	cd := x.globals[pos]
+	if cd == nil {
+		cd = &constData{}
+		x.globals[pos] = cd
+	}
+	return cd
+}
+
+func (x *extracter) seedEndpoints() error {
+	pkgInfo := x.iprog.Package("golang.org/x/text/message")
+	if pkgInfo == nil {
+		return errors.New("pipeline: golang.org/x/text/message is not imported")
+	}
+	pkg := x.prog.Package(pkgInfo.Pkg)
+	typ := types.NewPointer(pkg.Type("Printer").Type())
+
+	x.processGlobalVars()
+
+	x.handleFunc(x.prog.LookupMethod(typ, pkg.Pkg, "Printf"), &callData{
+		formatPos: 1,
+		argPos:    2,
+		isMethod:  true,
+	})
+	x.handleFunc(x.prog.LookupMethod(typ, pkg.Pkg, "Sprintf"), &callData{
+		formatPos: 1,
+		argPos:    2,
+		isMethod:  true,
+	})
+	x.handleFunc(x.prog.LookupMethod(typ, pkg.Pkg, "Fprintf"), &callData{
+		formatPos: 2,
+		argPos:    3,
+		isMethod:  true,
+	})
+	return nil
+}
+
+// processGlobalVars finds string constants that are assigned to global
+// variables.
+func (x *extracter) processGlobalVars() {
+	for _, p := range x.prog.AllPackages() {
+		m, ok := p.Members["init"]
+		if !ok {
+			continue
+		}
+		for _, b := range m.(*ssa.Function).Blocks {
+			for _, i := range b.Instrs {
+				s, ok := i.(*ssa.Store)
+				if !ok {
+					continue
+				}
+				a, ok := s.Addr.(*ssa.Global)
+				if !ok {
+					continue
+				}
+				t := a.Type()
+				for {
+					p, ok := t.(*types.Pointer)
+					if !ok {
+						break
+					}
+					t = p.Elem()
+				}
+				if b, ok := t.(*types.Basic); !ok || b.Kind() != types.String {
+					continue
+				}
+				x.visitInit(a, s.Val)
+			}
+		}
+	}
+}
+
+type constData struct {
+	call   *callData // to provide a signature for the constants
+	values []constVal
+	others []token.Pos // Assigned to other global data.
+}
+
+func (d *constData) visit(x *extracter, f func(c constant.Value)) {
+	for _, v := range d.values {
+		f(v.value)
+	}
+	for _, p := range d.others {
+		if od, ok := x.globals[p]; ok {
+			od.visit(x, f)
+		}
+	}
+}
+
+type constVal struct {
+	value constant.Value
+	pos   token.Pos
+}
+
+type callData struct {
+	call    ssa.CallInstruction
+	expr    *ast.CallExpr
+	formats []constant.Value
+
+	callee    *callData
+	isMethod  bool
+	formatPos int
+	argPos    int   // varargs at this position in the call
+	argTypes  []int // arguments extractable from this position
+}
+
+func (c *callData) callFormatPos() int {
+	c = c.callee
+	if c.isMethod {
+		return c.formatPos - 1
+	}
+	return c.formatPos
+}
+
+func (c *callData) callArgsStart() int {
+	c = c.callee
+	if c.isMethod {
+		return c.argPos - 1
+	}
+	return c.argPos
+}
+
+func (c *callData) Pos() token.Pos      { return c.call.Pos() }
+func (c *callData) Pkg() *types.Package { return c.call.Parent().Pkg.Pkg }
+
+func (x *extracter) handleFunc(f *ssa.Function, fd *callData) {
+	for _, e := range x.callGraph.Nodes[f].In {
+		if e.Pos() == 0 {
+			continue
+		}
+
+		call := e.Site
+		caller := x.funcs[call.Pos()]
+		if caller != nil {
+			// TODO: theoretically a format string could be passed to multiple
+			// arguments of a function. Support this eventually.
+			continue
+		}
+		x.debug(call, "CALL", f.String())
+
+		caller = &callData{
+			call:      call,
+			callee:    fd,
+			formatPos: -1,
+			argPos:    -1,
+		}
+		// Offset by one if we are invoking an interface method.
+		offset := 0
+		if call.Common().IsInvoke() {
+			offset = -1
+		}
+		x.funcs[call.Pos()] = caller
+		if fd.argPos >= 0 {
+			x.visitArgs(caller, call.Common().Args[fd.argPos+offset])
+		}
+		x.visitFormats(caller, call.Common().Args[fd.formatPos+offset])
+	}
+}
+
+type posser interface {
+	Pos() token.Pos
+	Parent() *ssa.Function
+}
+
+func (x *extracter) debug(v posser, header string, args ...interface{}) {
+	if debug {
+		pos := ""
+		if p := v.Parent(); p != nil {
+			pos = posString(&x.conf, p.Package().Pkg, v.Pos())
+		}
+		if header != "CALL" && header != "INSERT" {
+			header = "  " + header
+		}
+		fmt.Printf("%-32s%-10s%-15T ", pos+fmt.Sprintf("@%d", v.Pos()), header, v)
+		for _, a := range args {
+			fmt.Printf(" %v", a)
+		}
+		fmt.Println()
+	}
+}
+
+// visitInit evaluates and collects values assigned to global variables in an
+// init function.
+func (x *extracter) visitInit(global *ssa.Global, v ssa.Value) {
+	if v == nil {
+		return
+	}
+	x.debug(v, "GLOBAL", v)
+
+	switch v := v.(type) {
+	case *ssa.Phi:
+		for _, e := range v.Edges {
+			x.visitInit(global, e)
+		}
+
+	case *ssa.Const:
+		// Only record strings with letters.
+		if str := constant.StringVal(v.Value); isMsg(str) {
+			cd := x.globalData(global.Pos())
+			cd.values = append(cd.values, constVal{v.Value, v.Pos()})
+		}
+		// TODO: handle %m-directive.
+
+	case *ssa.Global:
+		cd := x.globalData(global.Pos())
+		cd.others = append(cd.others, v.Pos())
+
+	case *ssa.FieldAddr, *ssa.Field:
+		// TODO: mark field index v.Field of v.X.Type() for extraction. extract
+		// an example args as to give parameters for the translator.
+
+	case *ssa.Slice:
+		if v.Low == nil && v.High == nil && v.Max == nil {
+			x.visitInit(global, v.X)
+		}
+
+	case *ssa.Alloc:
+		if ref := v.Referrers(); ref == nil {
+			for _, r := range *ref {
+				values := []ssa.Value{}
+				for _, o := range r.Operands(nil) {
+					if o == nil || *o == v {
+						continue
+					}
+					values = append(values, *o)
+				}
+				// TODO: return something different if we care about multiple
+				// values as well.
+				if len(values) == 1 {
+					x.visitInit(global, values[0])
+				}
+			}
+		}
+
+	case ssa.Instruction:
+		rands := v.Operands(nil)
+		if len(rands) == 1 && rands[0] != nil {
+			x.visitInit(global, *rands[0])
+		}
+	}
+	return
+}
+
+// visitFormats finds the original source of the value. The returned index is
+// position of the argument if originated from a function argument or -1
+// otherwise.
+func (x *extracter) visitFormats(call *callData, v ssa.Value) {
+	if v == nil {
+		return
+	}
+	x.debug(v, "VALUE", v)
+
+	switch v := v.(type) {
+	case *ssa.Phi:
+		for _, e := range v.Edges {
+			x.visitFormats(call, e)
+		}
+
+	case *ssa.Const:
+		// Only record strings with letters.
+		if isMsg(constant.StringVal(v.Value)) {
+			x.debug(call.call, "FORMAT", v.Value.ExactString())
+			call.formats = append(call.formats, v.Value)
+		}
+		// TODO: handle %m-directive.
+
+	case *ssa.Global:
+		x.globalData(v.Pos()).call = call
+
+	case *ssa.FieldAddr, *ssa.Field:
+		// TODO: mark field index v.Field of v.X.Type() for extraction. extract
+		// an example args as to give parameters for the translator.
+
+	case *ssa.Slice:
+		if v.Low == nil && v.High == nil && v.Max == nil {
+			x.visitFormats(call, v.X)
+		}
+
+	case *ssa.Parameter:
+		// TODO: handle the function for the index parameter.
+		f := v.Parent()
+		for i, p := range f.Params {
+			if p == v {
+				if call.formatPos < 0 {
+					call.formatPos = i
+					// TODO: is there a better way to detect this is calling
+					// a method rather than a function?
+					call.isMethod = len(f.Params) > f.Signature.Params().Len()
+					x.handleFunc(v.Parent(), call)
+				} else if debug && i != call.formatPos {
+					// TODO: support this.
+					fmt.Printf("WARNING:%s: format string passed to arg %d and %d\n",
+						posString(&x.conf, call.Pkg(), call.Pos()),
+						call.formatPos, i)
+				}
+			}
+		}
+
+	case *ssa.Alloc:
+		if ref := v.Referrers(); ref == nil {
+			for _, r := range *ref {
+				values := []ssa.Value{}
+				for _, o := range r.Operands(nil) {
+					if o == nil || *o == v {
+						continue
+					}
+					values = append(values, *o)
+				}
+				// TODO: return something different if we care about multiple
+				// values as well.
+				if len(values) == 1 {
+					x.visitFormats(call, values[0])
+				}
+			}
+		}
+
+		// TODO:
+	// case *ssa.Index:
+	// 	// Get all values in the array if applicable
+	// case *ssa.IndexAddr:
+	// 	// Get all values in the slice or *array if applicable.
+	// case *ssa.Lookup:
+	// 	// Get all values in the map if applicable.
+
+	case *ssa.FreeVar:
+		// TODO: find the link between free variables and parameters:
+		//
+		// func freeVar(p *message.Printer, str string) {
+		// 	fn := func(p *message.Printer) {
+		// 		p.Printf(str)
+		// 	}
+		// 	fn(p)
+		// }
+
+	case *ssa.Call:
+
+	case ssa.Instruction:
+		rands := v.Operands(nil)
+		if len(rands) == 1 && rands[0] != nil {
+			x.visitFormats(call, *rands[0])
+		}
+	}
+}
+
+// Note: a function may have an argument marked as both format and passthrough.
+
+// visitArgs collects information on arguments. For wrapped functions it will
+// just determine the position of the variable args slice.
+func (x *extracter) visitArgs(fd *callData, v ssa.Value) {
+	if v == nil {
+		return
+	}
+	x.debug(v, "ARGV", v)
+	switch v := v.(type) {
+
+	case *ssa.Slice:
+		if v.Low == nil && v.High == nil && v.Max == nil {
+			x.visitArgs(fd, v.X)
+		}
+
+	case *ssa.Parameter:
+		// TODO: handle the function for the index parameter.
+		f := v.Parent()
+		for i, p := range f.Params {
+			if p == v {
+				fd.argPos = i
+			}
+		}
+
+	case *ssa.Alloc:
+		if ref := v.Referrers(); ref == nil {
+			for _, r := range *ref {
+				values := []ssa.Value{}
+				for _, o := range r.Operands(nil) {
+					if o == nil || *o == v {
+						continue
+					}
+					values = append(values, *o)
+				}
+				// TODO: return something different if we care about
+				// multiple values as well.
+				if len(values) == 1 {
+					x.visitArgs(fd, values[0])
+				}
+			}
+		}
+
+	case ssa.Instruction:
+		rands := v.Operands(nil)
+		if len(rands) == 1 && rands[0] != nil {
+			x.visitArgs(fd, *rands[0])
+		}
+	}
+}
+
+// print returns Go syntax for the specified node.
+func (x *extracter) print(n ast.Node) string {
+	var buf bytes.Buffer
+	format.Node(&buf, x.conf.Fset, n)
+	return buf.String()
+}
+
+type packageExtracter struct {
+	f    *ast.File
+	x    *extracter
+	info *loader.PackageInfo
+	cmap ast.CommentMap
+}
+
+func (px packageExtracter) getComment(n ast.Node) string {
+	cs := px.cmap.Filter(n).Comments()
+	if len(cs) > 0 {
+		return strings.TrimSpace(cs[0].Text())
+	}
+	return ""
+}
+
+func (x *extracter) extractMessages() {
+	prog := x.iprog
+	keys := make([]*types.Package, 0, len(x.iprog.AllPackages))
+	for k := range x.iprog.AllPackages {
+		keys = append(keys, k)
+	}
+	sort.Slice(keys, func(i, j int) bool { return keys[i].Path() < keys[j].Path() })
+	files := []packageExtracter{}
+	for _, k := range keys {
+		info := x.iprog.AllPackages[k]
+		for _, f := range info.Files {
+			// Associate comments with nodes.
+			px := packageExtracter{
+				f, x, info,
+				ast.NewCommentMap(prog.Fset, f, f.Comments),
+			}
+			files = append(files, px)
+		}
+	}
+	for _, px := range files {
+		ast.Inspect(px.f, func(n ast.Node) bool {
+			switch v := n.(type) {
+			case *ast.CallExpr:
+				if d := x.funcs[v.Lparen]; d != nil {
+					d.expr = v
+				}
+			}
+			return true
+		})
+	}
+	for _, px := range files {
+		ast.Inspect(px.f, func(n ast.Node) bool {
+			switch v := n.(type) {
+			case *ast.CallExpr:
+				return px.handleCall(v)
+			case *ast.ValueSpec:
+				return px.handleGlobal(v)
+			}
+			return true
+		})
+	}
+}
+
+func (px packageExtracter) handleGlobal(spec *ast.ValueSpec) bool {
+	comment := px.getComment(spec)
+
+	for _, ident := range spec.Names {
+		data, ok := px.x.globals[ident.Pos()]
+		if !ok {
+			continue
+		}
+		name := ident.Name
+		var arguments []argument
+		if data.call != nil {
+			arguments = px.getArguments(data.call)
+		} else if !strings.HasPrefix(name, "msg") && !strings.HasPrefix(name, "Msg") {
+			continue
+		}
+		data.visit(px.x, func(c constant.Value) {
+			px.addMessage(spec.Pos(), []string{name}, c, comment, arguments)
+		})
+	}
+
+	return true
+}
+
+func (px packageExtracter) handleCall(call *ast.CallExpr) bool {
+	x := px.x
+	data := x.funcs[call.Lparen]
+	if data == nil || len(data.formats) == 0 {
+		return true
+	}
+	if data.expr != call {
+		panic("invariant `data.call != call` failed")
+	}
+	x.debug(data.call, "INSERT", data.formats)
+
+	argn := data.callFormatPos()
+	if argn >= len(call.Args) {
+		return true
+	}
+	format := call.Args[argn]
+
+	arguments := px.getArguments(data)
+
+	comment := ""
+	key := []string{}
+	if ident, ok := format.(*ast.Ident); ok {
+		key = append(key, ident.Name)
+		if v, ok := ident.Obj.Decl.(*ast.ValueSpec); ok && v.Comment != nil {
+			// TODO: get comment above ValueSpec as well
+			comment = v.Comment.Text()
+		}
+	}
+	if c := px.getComment(call.Args[0]); c != "" {
+		comment = c
+	}
+
+	formats := data.formats
+	for _, c := range formats {
+		px.addMessage(call.Lparen, key, c, comment, arguments)
+	}
+	return true
+}
+
+func (px packageExtracter) getArguments(data *callData) []argument {
+	arguments := []argument{}
+	x := px.x
+	info := px.info
+	if data.callArgsStart() >= 0 {
+		args := data.expr.Args[data.callArgsStart():]
+		for i, arg := range args {
+			expr := x.print(arg)
+			val := ""
+			if v := info.Types[arg].Value; v != nil {
+				val = v.ExactString()
+				switch arg.(type) {
+				case *ast.BinaryExpr, *ast.UnaryExpr:
+					expr = val
+				}
+			}
+			arguments = append(arguments, argument{
+				ArgNum:         i + 1,
+				Type:           info.Types[arg].Type.String(),
+				UnderlyingType: info.Types[arg].Type.Underlying().String(),
+				Expr:           expr,
+				Value:          val,
+				Comment:        px.getComment(arg),
+				Position:       posString(&x.conf, info.Pkg, arg.Pos()),
+				// TODO report whether it implements
+				// interfaces plural.Interface,
+				// gender.Interface.
+			})
+		}
+	}
+	return arguments
+}
+
+func (px packageExtracter) addMessage(
+	pos token.Pos,
+	key []string,
+	c constant.Value,
+	comment string,
+	arguments []argument) {
+	x := px.x
+	fmtMsg := constant.StringVal(c)
+
+	ph := placeholders{index: map[string]string{}}
+
+	trimmed, _, _ := trimWS(fmtMsg)
+
+	p := fmtparser.Parser{}
+	simArgs := make([]interface{}, len(arguments))
+	for i, v := range arguments {
+		simArgs[i] = v
+	}
+	msg := ""
+	p.Reset(simArgs)
+	for p.SetFormat(trimmed); p.Scan(); {
+		name := ""
+		var arg *argument
+		switch p.Status {
+		case fmtparser.StatusText:
+			msg += p.Text()
+			continue
+		case fmtparser.StatusSubstitution,
+			fmtparser.StatusBadWidthSubstitution,
+			fmtparser.StatusBadPrecSubstitution:
+			arguments[p.ArgNum-1].used = true
+			arg = &arguments[p.ArgNum-1]
+			name = getID(arg)
+		case fmtparser.StatusBadArgNum, fmtparser.StatusMissingArg:
+			arg = &argument{
+				ArgNum:   p.ArgNum,
+				Position: posString(&x.conf, px.info.Pkg, pos),
+			}
+			name, arg.UnderlyingType = verbToPlaceholder(p.Text(), p.ArgNum)
+		}
+		sub := p.Text()
+		if !p.HasIndex {
+			r, sz := utf8.DecodeLastRuneInString(sub)
+			sub = fmt.Sprintf("%s[%d]%c", sub[:len(sub)-sz], p.ArgNum, r)
+		}
+		msg += fmt.Sprintf("{%s}", ph.addArg(arg, name, sub))
+	}
+	key = append(key, msg)
+
+	// Add additional Placeholders that can be used in translations
+	// that are not present in the string.
+	for _, arg := range arguments {
+		if arg.used {
+			continue
+		}
+		ph.addArg(&arg, getID(&arg), fmt.Sprintf("%%[%d]v", arg.ArgNum))
+	}
+
+	x.messages = append(x.messages, Message{
+		ID:      key,
+		Key:     fmtMsg,
+		Message: Text{Msg: msg},
+		// TODO(fix): this doesn't get the before comment.
+		Comment:      comment,
+		Placeholders: ph.slice,
+		Position:     posString(&x.conf, px.info.Pkg, pos),
+	})
+}
+
+func posString(conf *loader.Config, pkg *types.Package, pos token.Pos) string {
+	p := conf.Fset.Position(pos)
+	file := fmt.Sprintf("%s:%d:%d", filepath.Base(p.Filename), p.Line, p.Column)
+	return filepath.Join(pkg.Path(), file)
+}
+
+func getID(arg *argument) string {
+	s := getLastComponent(arg.Expr)
+	s = strip(s)
+	s = strings.Replace(s, " ", "", -1)
+	// For small variable names, use user-defined types for more info.
+	if len(s) <= 2 && arg.UnderlyingType != arg.Type {
+		s = getLastComponent(arg.Type)
+	}
+	return strings.Title(s)
+}
+
+// strip is a dirty hack to convert function calls to placeholder IDs.
+func strip(s string) string {
+	s = strings.Map(func(r rune) rune {
+		if unicode.IsSpace(r) || r == '-' {
+			return '_'
+		}
+		if !unicode.In(r, unicode.Letter, unicode.Mark, unicode.Number) {
+			return -1
+		}
+		return r
+	}, s)
+	// Strip "Get" from getter functions.
+	if strings.HasPrefix(s, "Get") || strings.HasPrefix(s, "get") {
+		if len(s) > len("get") {
+			r, _ := utf8.DecodeRuneInString(s)
+			if !unicode.In(r, unicode.Ll, unicode.M) { // not lower or mark
+				s = s[len("get"):]
+			}
+		}
+	}
+	return s
+}
+
+// verbToPlaceholder gives a name for a placeholder based on the substitution
+// verb. This is only to be used if there is otherwise no other type information
+// available.
+func verbToPlaceholder(sub string, pos int) (name, underlying string) {
+	r, _ := utf8.DecodeLastRuneInString(sub)
+	name = fmt.Sprintf("Arg_%d", pos)
+	switch r {
+	case 's', 'q':
+		underlying = "string"
+	case 'd':
+		name = "Integer"
+		underlying = "int"
+	case 'e', 'f', 'g':
+		name = "Number"
+		underlying = "float64"
+	case 'm':
+		name = "Message"
+		underlying = "string"
+	default:
+		underlying = "interface{}"
+	}
+	return name, underlying
+}
+
+type placeholders struct {
+	index map[string]string
+	slice []Placeholder
+}
+
+func (p *placeholders) addArg(arg *argument, name, sub string) (id string) {
+	id = name
+	alt, ok := p.index[id]
+	for i := 1; ok && alt != sub; i++ {
+		id = fmt.Sprintf("%s_%d", name, i)
+		alt, ok = p.index[id]
+	}
+	p.index[id] = sub
+	p.slice = append(p.slice, Placeholder{
+		ID:             id,
+		String:         sub,
+		Type:           arg.Type,
+		UnderlyingType: arg.UnderlyingType,
+		ArgNum:         arg.ArgNum,
+		Expr:           arg.Expr,
+		Comment:        arg.Comment,
+	})
+	return id
+}
+
+func getLastComponent(s string) string {
+	return s[1+strings.LastIndexByte(s, '.'):]
+}
+
+// isMsg returns whether s should be translated.
+func isMsg(s string) bool {
+	// TODO: parse as format string and omit strings that contain letters
+	// coming from format verbs.
+	for _, r := range s {
+		if unicode.In(r, unicode.L) {
+			return true
+		}
+	}
+	return false
+}
diff --git a/vendor/golang.org/x/text/message/pipeline/generate.go b/vendor/golang.org/x/text/message/pipeline/generate.go
new file mode 100644
index 0000000..f747c37
--- /dev/null
+++ b/vendor/golang.org/x/text/message/pipeline/generate.go
@@ -0,0 +1,329 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package pipeline
+
+import (
+	"fmt"
+	"go/build"
+	"io"
+	"os"
+	"path/filepath"
+	"regexp"
+	"sort"
+	"strings"
+	"text/template"
+
+	"golang.org/x/text/collate"
+	"golang.org/x/text/feature/plural"
+	"golang.org/x/text/internal"
+	"golang.org/x/text/internal/catmsg"
+	"golang.org/x/text/internal/gen"
+	"golang.org/x/text/language"
+	"golang.org/x/tools/go/loader"
+)
+
+var transRe = regexp.MustCompile(`messages\.(.*)\.json`)
+
+// Generate writes a Go file that defines a Catalog with translated messages.
+// Translations are retrieved from s.Messages, not s.Translations, so it
+// is assumed Merge has been called.
+func (s *State) Generate() error {
+	path := s.Config.GenPackage
+	if path == "" {
+		path = "."
+	}
+	isDir := path[0] == '.'
+	prog, err := loadPackages(&loader.Config{}, []string{path})
+	if err != nil {
+		return wrap(err, "could not load package")
+	}
+	pkgs := prog.InitialPackages()
+	if len(pkgs) != 1 {
+		return errorf("more than one package selected: %v", pkgs)
+	}
+	pkg := pkgs[0].Pkg.Name()
+
+	cw, err := s.generate()
+	if err != nil {
+		return err
+	}
+	if !isDir {
+		gopath := filepath.SplitList(build.Default.GOPATH)[0]
+		path = filepath.Join(gopath, "src", filepath.FromSlash(pkgs[0].Pkg.Path()))
+	}
+	if len(s.Config.GenFile) == 0 {
+		cw.WriteGo(os.Stdout, pkg, "")
+		return nil
+	}
+	if filepath.IsAbs(s.Config.GenFile) {
+		path = s.Config.GenFile
+	} else {
+		path = filepath.Join(path, s.Config.GenFile)
+	}
+	cw.WriteGoFile(path, pkg) // TODO: WriteGoFile should return error.
+	return err
+}
+
+// WriteGen writes a Go file with the given package name to w that defines a
+// Catalog with translated messages. Translations are retrieved from s.Messages,
+// not s.Translations, so it is assumed Merge has been called.
+func (s *State) WriteGen(w io.Writer, pkg string) error {
+	cw, err := s.generate()
+	if err != nil {
+		return err
+	}
+	_, err = cw.WriteGo(w, pkg, "")
+	return err
+}
+
+// Generate is deprecated; use (*State).Generate().
+func Generate(w io.Writer, pkg string, extracted *Messages, trans ...Messages) (n int, err error) {
+	s := State{
+		Extracted:    *extracted,
+		Translations: trans,
+	}
+	cw, err := s.generate()
+	if err != nil {
+		return 0, err
+	}
+	return cw.WriteGo(w, pkg, "")
+}
+
+func (s *State) generate() (*gen.CodeWriter, error) {
+	// Build up index of translations and original messages.
+	translations := map[language.Tag]map[string]Message{}
+	languages := []language.Tag{}
+	usedKeys := map[string]int{}
+
+	for _, loc := range s.Messages {
+		tag := loc.Language
+		if _, ok := translations[tag]; !ok {
+			translations[tag] = map[string]Message{}
+			languages = append(languages, tag)
+		}
+		for _, m := range loc.Messages {
+			if !m.Translation.IsEmpty() {
+				for _, id := range m.ID {
+					if _, ok := translations[tag][id]; ok {
+						warnf("Duplicate translation in locale %q for message %q", tag, id)
+					}
+					translations[tag][id] = m
+				}
+			}
+		}
+	}
+
+	// Verify completeness and register keys.
+	internal.SortTags(languages)
+
+	langVars := []string{}
+	for _, tag := range languages {
+		langVars = append(langVars, strings.Replace(tag.String(), "-", "_", -1))
+		dict := translations[tag]
+		for _, msg := range s.Extracted.Messages {
+			for _, id := range msg.ID {
+				if trans, ok := dict[id]; ok && !trans.Translation.IsEmpty() {
+					if _, ok := usedKeys[msg.Key]; !ok {
+						usedKeys[msg.Key] = len(usedKeys)
+					}
+					break
+				}
+				// TODO: log missing entry.
+				warnf("%s: Missing entry for %q.", tag, id)
+			}
+		}
+	}
+
+	cw := gen.NewCodeWriter()
+
+	x := &struct {
+		Fallback  language.Tag
+		Languages []string
+	}{
+		Fallback:  s.Extracted.Language,
+		Languages: langVars,
+	}
+
+	if err := lookup.Execute(cw, x); err != nil {
+		return nil, wrap(err, "error")
+	}
+
+	keyToIndex := []string{}
+	for k := range usedKeys {
+		keyToIndex = append(keyToIndex, k)
+	}
+	sort.Strings(keyToIndex)
+	fmt.Fprint(cw, "var messageKeyToIndex = map[string]int{\n")
+	for _, k := range keyToIndex {
+		fmt.Fprintf(cw, "%q: %d,\n", k, usedKeys[k])
+	}
+	fmt.Fprint(cw, "}\n\n")
+
+	for i, tag := range languages {
+		dict := translations[tag]
+		a := make([]string, len(usedKeys))
+		for _, msg := range s.Extracted.Messages {
+			for _, id := range msg.ID {
+				if trans, ok := dict[id]; ok && !trans.Translation.IsEmpty() {
+					m, err := assemble(&msg, &trans.Translation)
+					if err != nil {
+						return nil, wrap(err, "error")
+					}
+					_, leadWS, trailWS := trimWS(msg.Key)
+					if leadWS != "" || trailWS != "" {
+						m = catmsg.Affix{
+							Message: m,
+							Prefix:  leadWS,
+							Suffix:  trailWS,
+						}
+					}
+					// TODO: support macros.
+					data, err := catmsg.Compile(tag, nil, m)
+					if err != nil {
+						return nil, wrap(err, "error")
+					}
+					key := usedKeys[msg.Key]
+					if d := a[key]; d != "" && d != data {
+						warnf("Duplicate non-consistent translation for key %q, picking the one for message %q", msg.Key, id)
+					}
+					a[key] = string(data)
+					break
+				}
+			}
+		}
+		index := []uint32{0}
+		p := 0
+		for _, s := range a {
+			p += len(s)
+			index = append(index, uint32(p))
+		}
+
+		cw.WriteVar(langVars[i]+"Index", index)
+		cw.WriteConst(langVars[i]+"Data", strings.Join(a, ""))
+	}
+	return cw, nil
+}
+
+func assemble(m *Message, t *Text) (msg catmsg.Message, err error) {
+	keys := []string{}
+	for k := range t.Var {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+	var a []catmsg.Message
+	for _, k := range keys {
+		t := t.Var[k]
+		m, err := assemble(m, &t)
+		if err != nil {
+			return nil, err
+		}
+		a = append(a, &catmsg.Var{Name: k, Message: m})
+	}
+	if t.Select != nil {
+		s, err := assembleSelect(m, t.Select)
+		if err != nil {
+			return nil, err
+		}
+		a = append(a, s)
+	}
+	if t.Msg != "" {
+		sub, err := m.Substitute(t.Msg)
+		if err != nil {
+			return nil, err
+		}
+		a = append(a, catmsg.String(sub))
+	}
+	switch len(a) {
+	case 0:
+		return nil, errorf("generate: empty message")
+	case 1:
+		return a[0], nil
+	default:
+		return catmsg.FirstOf(a), nil
+
+	}
+}
+
+func assembleSelect(m *Message, s *Select) (msg catmsg.Message, err error) {
+	cases := []string{}
+	for c := range s.Cases {
+		cases = append(cases, c)
+	}
+	sortCases(cases)
+
+	caseMsg := []interface{}{}
+	for _, c := range cases {
+		cm := s.Cases[c]
+		m, err := assemble(m, &cm)
+		if err != nil {
+			return nil, err
+		}
+		caseMsg = append(caseMsg, c, m)
+	}
+
+	ph := m.Placeholder(s.Arg)
+
+	switch s.Feature {
+	case "plural":
+		// TODO: only printf-style selects are supported as of yet.
+		return plural.Selectf(ph.ArgNum, ph.String, caseMsg...), nil
+	}
+	return nil, errorf("unknown feature type %q", s.Feature)
+}
+
+func sortCases(cases []string) {
+	// TODO: implement full interface.
+	sort.Slice(cases, func(i, j int) bool {
+		switch {
+		case cases[i] != "other" && cases[j] == "other":
+			return true
+		case cases[i] == "other" && cases[j] != "other":
+			return false
+		}
+		// the following code relies on '<' < '=' < any letter.
+		return cmpNumeric(cases[i], cases[j]) == -1
+	})
+}
+
+var cmpNumeric = collate.New(language.Und, collate.Numeric).CompareString
+
+var lookup = template.Must(template.New("gen").Parse(`
+import (
+	"golang.org/x/text/language"
+	"golang.org/x/text/message"
+	"golang.org/x/text/message/catalog"
+)
+
+type dictionary struct {
+	index []uint32
+	data  string
+}
+
+func (d *dictionary) Lookup(key string) (data string, ok bool) {
+	p, ok := messageKeyToIndex[key]
+	if !ok {
+		return "", false
+	}
+	start, end := d.index[p], d.index[p+1]
+	if start == end {
+		return "", false
+	}
+	return d.data[start:end], true
+}
+
+func init() {
+	dict := map[string]catalog.Dictionary{
+		{{range .Languages}}"{{.}}": &dictionary{index: {{.}}Index, data: {{.}}Data },
+		{{end}}
+	}
+	fallback := language.MustParse("{{.Fallback}}")
+	cat, err := catalog.NewFromMap(dict, catalog.Fallback(fallback))
+	if err != nil {
+		panic(err)
+	}
+	message.DefaultCatalog = cat
+}
+
+`))
diff --git a/vendor/golang.org/x/text/message/pipeline/message.go b/vendor/golang.org/x/text/message/pipeline/message.go
new file mode 100644
index 0000000..c83a8fd
--- /dev/null
+++ b/vendor/golang.org/x/text/message/pipeline/message.go
@@ -0,0 +1,241 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package pipeline
+
+import (
+	"encoding/json"
+	"errors"
+	"strings"
+
+	"golang.org/x/text/language"
+)
+
+// TODO: these definitions should be moved to a package so that the can be used
+// by other tools.
+
+// The file contains the structures used to define translations of a certain
+// messages.
+//
+// A translation may have multiple translations strings, or messages, depending
+// on the feature values of the various arguments. For instance, consider
+// a hypothetical translation from English to English, where the source defines
+// the format string "%d file(s) remaining".
+// See the examples directory for examples of extracted messages.
+
+// Messages is used to store translations for a single language.
+type Messages struct {
+	Language language.Tag    `json:"language"`
+	Messages []Message       `json:"messages"`
+	Macros   map[string]Text `json:"macros,omitempty"`
+}
+
+// A Message describes a message to be translated.
+type Message struct {
+	// ID contains a list of identifiers for the message.
+	ID IDList `json:"id"`
+	// Key is the string that is used to look up the message at runtime.
+	Key         string `json:"key,omitempty"`
+	Meaning     string `json:"meaning,omitempty"`
+	Message     Text   `json:"message"`
+	Translation Text   `json:"translation"`
+
+	Comment           string `json:"comment,omitempty"`
+	TranslatorComment string `json:"translatorComment,omitempty"`
+
+	Placeholders []Placeholder `json:"placeholders,omitempty"`
+
+	// Fuzzy indicates that the provide translation needs review by a
+	// translator, for instance because it was derived from automated
+	// translation.
+	Fuzzy bool `json:"fuzzy,omitempty"`
+
+	// TODO: default placeholder syntax is {foo}. Allow alternative escaping
+	// like `foo`.
+
+	// Extraction information.
+	Position string `json:"position,omitempty"` // filePosition:line
+}
+
+// Placeholder reports the placeholder for the given ID if it is defined or nil
+// otherwise.
+func (m *Message) Placeholder(id string) *Placeholder {
+	for _, p := range m.Placeholders {
+		if p.ID == id {
+			return &p
+		}
+	}
+	return nil
+}
+
+// Substitute replaces placeholders in msg with their original value.
+func (m *Message) Substitute(msg string) (sub string, err error) {
+	last := 0
+	for i := 0; i < len(msg); {
+		pLeft := strings.IndexByte(msg[i:], '{')
+		if pLeft == -1 {
+			break
+		}
+		pLeft += i
+		pRight := strings.IndexByte(msg[pLeft:], '}')
+		if pRight == -1 {
+			return "", errorf("unmatched '}'")
+		}
+		pRight += pLeft
+		id := strings.TrimSpace(msg[pLeft+1 : pRight])
+		i = pRight + 1
+		if id != "" && id[0] == '$' {
+			continue
+		}
+		sub += msg[last:pLeft]
+		last = i
+		ph := m.Placeholder(id)
+		if ph == nil {
+			return "", errorf("unknown placeholder %q in message %q", id, msg)
+		}
+		sub += ph.String
+	}
+	sub += msg[last:]
+	return sub, err
+}
+
+var errIncompatibleMessage = errors.New("messages incompatible")
+
+func checkEquivalence(a, b *Message) error {
+	for _, v := range a.ID {
+		for _, w := range b.ID {
+			if v == w {
+				return nil
+			}
+		}
+	}
+	// TODO: canonicalize placeholders and check for type equivalence.
+	return errIncompatibleMessage
+}
+
+// A Placeholder is a part of the message that should not be changed by a
+// translator. It can be used to hide or prettify format strings (e.g. %d or
+// {{.Count}}), hide HTML, or mark common names that should not be translated.
+type Placeholder struct {
+	// ID is the placeholder identifier without the curly braces.
+	ID string `json:"id"`
+
+	// String is the string with which to replace the placeholder. This may be a
+	// formatting string (for instance "%d" or "{{.Count}}") or a literal string
+	// (<div>).
+	String string `json:"string"`
+
+	Type           string `json:"type"`
+	UnderlyingType string `json:"underlyingType"`
+	// ArgNum and Expr are set if the placeholder is a substitution of an
+	// argument.
+	ArgNum int    `json:"argNum,omitempty"`
+	Expr   string `json:"expr,omitempty"`
+
+	Comment string `json:"comment,omitempty"`
+	Example string `json:"example,omitempty"`
+
+	// Features contains the features that are available for the implementation
+	// of this argument.
+	Features []Feature `json:"features,omitempty"`
+}
+
+// An argument contains information about the arguments passed to a message.
+type argument struct {
+	// ArgNum corresponds to the number that should be used for explicit argument indexes (e.g.
+	// "%[1]d").
+	ArgNum int `json:"argNum,omitempty"`
+
+	used           bool   // Used by Placeholder
+	Type           string `json:"type"`
+	UnderlyingType string `json:"underlyingType"`
+	Expr           string `json:"expr"`
+	Value          string `json:"value,omitempty"`
+	Comment        string `json:"comment,omitempty"`
+	Position       string `json:"position,omitempty"`
+}
+
+// Feature holds information about a feature that can be implemented by
+// an Argument.
+type Feature struct {
+	Type string `json:"type"` // Right now this is only gender and plural.
+
+	// TODO: possible values and examples for the language under consideration.
+
+}
+
+// Text defines a message to be displayed.
+type Text struct {
+	// Msg and Select contains the message to be displayed. Msg may be used as
+	// a fallback value if none of the select cases match.
+	Msg    string  `json:"msg,omitempty"`
+	Select *Select `json:"select,omitempty"`
+
+	// Var defines a map of variables that may be substituted in the selected
+	// message.
+	Var map[string]Text `json:"var,omitempty"`
+
+	// Example contains an example message formatted with default values.
+	Example string `json:"example,omitempty"`
+}
+
+// IsEmpty reports whether this Text can generate anything.
+func (t *Text) IsEmpty() bool {
+	return t.Msg == "" && t.Select == nil && t.Var == nil
+}
+
+// rawText erases the UnmarshalJSON method.
+type rawText Text
+
+// UnmarshalJSON implements json.Unmarshaler.
+func (t *Text) UnmarshalJSON(b []byte) error {
+	if b[0] == '"' {
+		return json.Unmarshal(b, &t.Msg)
+	}
+	return json.Unmarshal(b, (*rawText)(t))
+}
+
+// MarshalJSON implements json.Marshaler.
+func (t *Text) MarshalJSON() ([]byte, error) {
+	if t.Select == nil && t.Var == nil && t.Example == "" {
+		return json.Marshal(t.Msg)
+	}
+	return json.Marshal((*rawText)(t))
+}
+
+// IDList is a set identifiers that each may refer to possibly different
+// versions of the same message. When looking up a messages, the first
+// identifier in the list takes precedence.
+type IDList []string
+
+// UnmarshalJSON implements json.Unmarshaler.
+func (id *IDList) UnmarshalJSON(b []byte) error {
+	if b[0] == '"' {
+		*id = []string{""}
+		return json.Unmarshal(b, &((*id)[0]))
+	}
+	return json.Unmarshal(b, (*[]string)(id))
+}
+
+// MarshalJSON implements json.Marshaler.
+func (id *IDList) MarshalJSON() ([]byte, error) {
+	if len(*id) == 1 {
+		return json.Marshal((*id)[0])
+	}
+	return json.Marshal((*[]string)(id))
+}
+
+// Select selects a Text based on the feature value associated with a feature of
+// a certain argument.
+type Select struct {
+	Feature string          `json:"feature"` // Name of Feature type (e.g plural)
+	Arg     string          `json:"arg"`     // The placeholder ID
+	Cases   map[string]Text `json:"cases"`
+}
+
+// TODO: order matters, but can we derive the ordering from the case keys?
+// type Case struct {
+// 	Key   string `json:"key"`
+// 	Value Text   `json:"value"`
+// }
diff --git a/vendor/golang.org/x/text/message/pipeline/pipeline.go b/vendor/golang.org/x/text/message/pipeline/pipeline.go
new file mode 100644
index 0000000..34f15f8
--- /dev/null
+++ b/vendor/golang.org/x/text/message/pipeline/pipeline.go
@@ -0,0 +1,422 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package pipeline provides tools for creating translation pipelines.
+//
+// NOTE: UNDER DEVELOPMENT. API MAY CHANGE.
+package pipeline
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"go/build"
+	"go/parser"
+	"io/ioutil"
+	"log"
+	"os"
+	"path/filepath"
+	"regexp"
+	"strings"
+	"text/template"
+	"unicode"
+
+	"golang.org/x/text/internal"
+	"golang.org/x/text/language"
+	"golang.org/x/text/runes"
+	"golang.org/x/tools/go/loader"
+)
+
+const (
+	extractFile  = "extracted.gotext.json"
+	outFile      = "out.gotext.json"
+	gotextSuffix = "gotext.json"
+)
+
+// Config contains configuration for the translation pipeline.
+type Config struct {
+	// Supported indicates the languages for which data should be generated.
+	// The default is to support all locales for which there are matching
+	// translation files.
+	Supported []language.Tag
+
+	// --- Extraction
+
+	SourceLanguage language.Tag
+
+	Packages []string
+
+	// --- File structure
+
+	// Dir is the root dir for all operations.
+	Dir string
+
+	// TranslationsPattern is a regular expression to match incoming translation
+	// files. These files may appear in any directory rooted at Dir.
+	// language for the translation files is determined as follows:
+	//   1. From the Language field in the file.
+	//   2. If not present, from a valid language tag in the filename, separated
+	//      by dots (e.g. "en-US.json" or "incoming.pt_PT.xmb").
+	//   3. If not present, from a the closest subdirectory in which the file
+	//      is contained that parses as a valid language tag.
+	TranslationsPattern string
+
+	// OutPattern defines the location for translation files for a certain
+	// language. The default is "{{.Dir}}/{{.Language}}/out.{{.Ext}}"
+	OutPattern string
+
+	// Format defines the file format for generated translation files.
+	// The default is XMB. Alternatives are GetText, XLIFF, L20n, GoText.
+	Format string
+
+	Ext string
+
+	// TODO:
+	// Actions are additional actions to be performed after the initial extract
+	// and merge.
+	// Actions []struct {
+	// 	Name    string
+	// 	Options map[string]string
+	// }
+
+	// --- Generation
+
+	// GenFile may be in a different package. It is not defined, it will
+	// be written to stdout.
+	GenFile string
+
+	// GenPackage is the package or relative path into which to generate the
+	// file. If not specified it is relative to the current directory.
+	GenPackage string
+
+	// DeclareVar defines a variable to which to assign the generated Catalog.
+	DeclareVar string
+
+	// SetDefault determines whether to assign the generated Catalog to
+	// message.DefaultCatalog. The default for this is true if DeclareVar is
+	// not defined, false otherwise.
+	SetDefault bool
+
+	// TODO:
+	// - Printf-style configuration
+	// - Template-style configuration
+	// - Extraction options
+	// - Rewrite options
+	// - Generation options
+}
+
+// Operations:
+// - extract:       get the strings
+// - disambiguate:  find messages with the same key, but possible different meaning.
+// - create out:    create a list of messages that need translations
+// - load trans:    load the list of current translations
+// - merge:         assign list of translations as done
+// - (action)expand:    analyze features and create example sentences for each version.
+// - (action)googletrans:   pre-populate messages with automatic translations.
+// - (action)export:    send out messages somewhere non-standard
+// - (action)import:    load messages from somewhere non-standard
+// - vet program:   don't pass "foo" + var + "bar" strings. Not using funcs for translated strings.
+// - vet trans:     coverage: all translations/ all features.
+// - generate:      generate Go code
+
+// State holds all accumulated information on translations during processing.
+type State struct {
+	Config Config
+
+	Package string
+	program *loader.Program
+
+	Extracted Messages `json:"messages"`
+
+	// Messages includes all messages for which there need to be translations.
+	// Duplicates may be eliminated. Generation will be done from these messages
+	// (usually after merging).
+	Messages []Messages
+
+	// Translations are incoming translations for the application messages.
+	Translations []Messages
+}
+
+func (s *State) dir() string {
+	if d := s.Config.Dir; d != "" {
+		return d
+	}
+	return "./locales"
+}
+
+func outPattern(s *State) (string, error) {
+	c := s.Config
+	pat := c.OutPattern
+	if pat == "" {
+		pat = "{{.Dir}}/{{.Language}}/out.{{.Ext}}"
+	}
+
+	ext := c.Ext
+	if ext == "" {
+		ext = c.Format
+	}
+	if ext == "" {
+		ext = gotextSuffix
+	}
+	t, err := template.New("").Parse(pat)
+	if err != nil {
+		return "", wrap(err, "error parsing template")
+	}
+	buf := bytes.Buffer{}
+	err = t.Execute(&buf, map[string]string{
+		"Dir":      s.dir(),
+		"Language": "%s",
+		"Ext":      ext,
+	})
+	return filepath.FromSlash(buf.String()), wrap(err, "incorrect OutPattern")
+}
+
+var transRE = regexp.MustCompile(`.*\.` + gotextSuffix)
+
+// Import loads existing translation files.
+func (s *State) Import() error {
+	outPattern, err := outPattern(s)
+	if err != nil {
+		return err
+	}
+	re := transRE
+	if pat := s.Config.TranslationsPattern; pat != "" {
+		if re, err = regexp.Compile(pat); err != nil {
+			return wrapf(err, "error parsing regexp %q", s.Config.TranslationsPattern)
+		}
+	}
+	x := importer{s, outPattern, re}
+	return x.walkImport(s.dir(), s.Config.SourceLanguage)
+}
+
+type importer struct {
+	state      *State
+	outPattern string
+	transFile  *regexp.Regexp
+}
+
+func (i *importer) walkImport(path string, tag language.Tag) error {
+	files, err := ioutil.ReadDir(path)
+	if err != nil {
+		return nil
+	}
+	for _, f := range files {
+		name := f.Name()
+		tag := tag
+		if f.IsDir() {
+			if t, err := language.Parse(name); err == nil {
+				tag = t
+			}
+			// We ignore errors
+			if err := i.walkImport(filepath.Join(path, name), tag); err != nil {
+				return err
+			}
+			continue
+		}
+		for _, l := range strings.Split(name, ".") {
+			if t, err := language.Parse(l); err == nil {
+				tag = t
+			}
+		}
+		file := filepath.Join(path, name)
+		// TODO: Should we skip files that match output files?
+		if fmt.Sprintf(i.outPattern, tag) == file {
+			continue
+		}
+		// TODO: handle different file formats.
+		if !i.transFile.MatchString(name) {
+			continue
+		}
+		b, err := ioutil.ReadFile(file)
+		if err != nil {
+			return wrap(err, "read file failed")
+		}
+		var translations Messages
+		if err := json.Unmarshal(b, &translations); err != nil {
+			return wrap(err, "parsing translation file failed")
+		}
+		i.state.Translations = append(i.state.Translations, translations)
+	}
+	return nil
+}
+
+// Merge merges the extracted messages with the existing translations.
+func (s *State) Merge() error {
+	if s.Messages != nil {
+		panic("already merged")
+	}
+	// Create an index for each unique message.
+	// Duplicates are okay as long as the substitution arguments are okay as
+	// well.
+	// Top-level messages are okay to appear in multiple substitution points.
+
+	// Collect key equivalence.
+	msgs := []*Message{}
+	keyToIDs := map[string]*Message{}
+	for _, m := range s.Extracted.Messages {
+		m := m
+		if prev, ok := keyToIDs[m.Key]; ok {
+			if err := checkEquivalence(&m, prev); err != nil {
+				warnf("Key %q matches conflicting messages: %v and %v", m.Key, prev.ID, m.ID)
+				// TODO: track enough information so that the rewriter can
+				// suggest/disambiguate messages.
+			}
+			// TODO: add position to message.
+			continue
+		}
+		i := len(msgs)
+		msgs = append(msgs, &m)
+		keyToIDs[m.Key] = msgs[i]
+	}
+
+	// Messages with different keys may still refer to the same translated
+	// message (e.g. different whitespace). Filter these.
+	idMap := map[string]bool{}
+	filtered := []*Message{}
+	for _, m := range msgs {
+		found := false
+		for _, id := range m.ID {
+			found = found || idMap[id]
+		}
+		if !found {
+			filtered = append(filtered, m)
+		}
+		for _, id := range m.ID {
+			idMap[id] = true
+		}
+	}
+
+	// Build index of translations.
+	translations := map[language.Tag]map[string]Message{}
+	languages := append([]language.Tag{}, s.Config.Supported...)
+
+	for _, t := range s.Translations {
+		tag := t.Language
+		if _, ok := translations[tag]; !ok {
+			translations[tag] = map[string]Message{}
+			languages = append(languages, tag)
+		}
+		for _, m := range t.Messages {
+			if !m.Translation.IsEmpty() {
+				for _, id := range m.ID {
+					if _, ok := translations[tag][id]; ok {
+						warnf("Duplicate translation in locale %q for message %q", tag, id)
+					}
+					translations[tag][id] = m
+				}
+			}
+		}
+	}
+	languages = internal.UniqueTags(languages)
+
+	for _, tag := range languages {
+		ms := Messages{Language: tag}
+		for _, orig := range filtered {
+			m := *orig
+			m.Key = ""
+			m.Position = ""
+
+			for _, id := range m.ID {
+				if t, ok := translations[tag][id]; ok {
+					m.Translation = t.Translation
+					if t.TranslatorComment != "" {
+						m.TranslatorComment = t.TranslatorComment
+						m.Fuzzy = t.Fuzzy
+					}
+					break
+				}
+			}
+			if tag == s.Config.SourceLanguage && m.Translation.IsEmpty() {
+				m.Translation = m.Message
+				if m.TranslatorComment == "" {
+					m.TranslatorComment = "Copied from source."
+					m.Fuzzy = true
+				}
+			}
+			// TODO: if translation is empty: pre-expand based on available
+			// linguistic features. This may also be done as a plugin.
+			ms.Messages = append(ms.Messages, m)
+		}
+		s.Messages = append(s.Messages, ms)
+	}
+	return nil
+}
+
+// Export writes out the messages to translation out files.
+func (s *State) Export() error {
+	path, err := outPattern(s)
+	if err != nil {
+		return wrap(err, "export failed")
+	}
+	for _, out := range s.Messages {
+		// TODO: inject translations from existing files to avoid retranslation.
+		data, err := json.MarshalIndent(out, "", "    ")
+		if err != nil {
+			return wrap(err, "JSON marshal failed")
+		}
+		file := fmt.Sprintf(path, out.Language)
+		if err := os.MkdirAll(filepath.Dir(file), 0755); err != nil {
+			return wrap(err, "dir create failed")
+		}
+		if err := ioutil.WriteFile(file, data, 0644); err != nil {
+			return wrap(err, "write failed")
+		}
+	}
+	return nil
+}
+
+var (
+	ws    = runes.In(unicode.White_Space).Contains
+	notWS = runes.NotIn(unicode.White_Space).Contains
+)
+
+func trimWS(s string) (trimmed, leadWS, trailWS string) {
+	trimmed = strings.TrimRightFunc(s, ws)
+	trailWS = s[len(trimmed):]
+	if i := strings.IndexFunc(trimmed, notWS); i > 0 {
+		leadWS = trimmed[:i]
+		trimmed = trimmed[i:]
+	}
+	return trimmed, leadWS, trailWS
+}
+
+// NOTE: The command line tool already prefixes with "gotext:".
+var (
+	wrap = func(err error, msg string) error {
+		if err == nil {
+			return nil
+		}
+		return fmt.Errorf("%s: %v", msg, err)
+	}
+	wrapf = func(err error, msg string, args ...interface{}) error {
+		if err == nil {
+			return nil
+		}
+		return wrap(err, fmt.Sprintf(msg, args...))
+	}
+	errorf = fmt.Errorf
+)
+
+func warnf(format string, args ...interface{}) {
+	// TODO: don't log.
+	log.Printf(format, args...)
+}
+
+func loadPackages(conf *loader.Config, args []string) (*loader.Program, error) {
+	if len(args) == 0 {
+		args = []string{"."}
+	}
+
+	conf.Build = &build.Default
+	conf.ParserMode = parser.ParseComments
+
+	// Use the initial packages from the command line.
+	args, err := conf.FromArgs(args, false)
+	if err != nil {
+		return nil, wrap(err, "loading packages failed")
+	}
+
+	// Load, parse and type-check the whole program.
+	return conf.Load()
+}
diff --git a/vendor/golang.org/x/text/message/pipeline/rewrite.go b/vendor/golang.org/x/text/message/pipeline/rewrite.go
new file mode 100644
index 0000000..cf1511f
--- /dev/null
+++ b/vendor/golang.org/x/text/message/pipeline/rewrite.go
@@ -0,0 +1,268 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package pipeline
+
+import (
+	"bytes"
+	"fmt"
+	"go/ast"
+	"go/constant"
+	"go/format"
+	"go/token"
+	"io"
+	"os"
+	"strings"
+
+	"golang.org/x/tools/go/loader"
+)
+
+const printerType = "golang.org/x/text/message.Printer"
+
+// Rewrite rewrites the Go files in a single package to use the localization
+// machinery and rewrites strings to adopt best practices when possible.
+// If w is not nil the generated files are written to it, each files with a
+// "--- <filename>" header. Otherwise the files are overwritten.
+func Rewrite(w io.Writer, args ...string) error {
+	conf := &loader.Config{
+		AllowErrors: true, // Allow unused instances of message.Printer.
+	}
+	prog, err := loadPackages(conf, args)
+	if err != nil {
+		return wrap(err, "")
+	}
+
+	for _, info := range prog.InitialPackages() {
+		for _, f := range info.Files {
+			// Associate comments with nodes.
+
+			// Pick up initialized Printers at the package level.
+			r := rewriter{info: info, conf: conf}
+			for _, n := range info.InitOrder {
+				if t := r.info.Types[n.Rhs].Type.String(); strings.HasSuffix(t, printerType) {
+					r.printerVar = n.Lhs[0].Name()
+				}
+			}
+
+			ast.Walk(&r, f)
+
+			w := w
+			if w == nil {
+				var err error
+				if w, err = os.Create(conf.Fset.File(f.Pos()).Name()); err != nil {
+					return wrap(err, "open failed")
+				}
+			} else {
+				fmt.Fprintln(w, "---", conf.Fset.File(f.Pos()).Name())
+			}
+
+			if err := format.Node(w, conf.Fset, f); err != nil {
+				return wrap(err, "go format failed")
+			}
+		}
+	}
+
+	return nil
+}
+
+type rewriter struct {
+	info       *loader.PackageInfo
+	conf       *loader.Config
+	printerVar string
+}
+
+// print returns Go syntax for the specified node.
+func (r *rewriter) print(n ast.Node) string {
+	var buf bytes.Buffer
+	format.Node(&buf, r.conf.Fset, n)
+	return buf.String()
+}
+
+func (r *rewriter) Visit(n ast.Node) ast.Visitor {
+	// Save the state by scope.
+	if _, ok := n.(*ast.BlockStmt); ok {
+		r := *r
+		return &r
+	}
+	// Find Printers created by assignment.
+	stmt, ok := n.(*ast.AssignStmt)
+	if ok {
+		for _, v := range stmt.Lhs {
+			if r.printerVar == r.print(v) {
+				r.printerVar = ""
+			}
+		}
+		for i, v := range stmt.Rhs {
+			if t := r.info.Types[v].Type.String(); strings.HasSuffix(t, printerType) {
+				r.printerVar = r.print(stmt.Lhs[i])
+				return r
+			}
+		}
+	}
+	// Find Printers created by variable declaration.
+	spec, ok := n.(*ast.ValueSpec)
+	if ok {
+		for _, v := range spec.Names {
+			if r.printerVar == r.print(v) {
+				r.printerVar = ""
+			}
+		}
+		for i, v := range spec.Values {
+			if t := r.info.Types[v].Type.String(); strings.HasSuffix(t, printerType) {
+				r.printerVar = r.print(spec.Names[i])
+				return r
+			}
+		}
+	}
+	if r.printerVar == "" {
+		return r
+	}
+	call, ok := n.(*ast.CallExpr)
+	if !ok {
+		return r
+	}
+
+	// TODO: Handle literal values?
+	sel, ok := call.Fun.(*ast.SelectorExpr)
+	if !ok {
+		return r
+	}
+	meth := r.info.Selections[sel]
+
+	source := r.print(sel.X)
+	fun := r.print(sel.Sel)
+	if meth != nil {
+		source = meth.Recv().String()
+		fun = meth.Obj().Name()
+	}
+
+	// TODO: remove cheap hack and check if the type either
+	// implements some interface or is specifically of type
+	// "golang.org/x/text/message".Printer.
+	m, ok := rewriteFuncs[source]
+	if !ok {
+		return r
+	}
+
+	rewriteType, ok := m[fun]
+	if !ok {
+		return r
+	}
+	ident := ast.NewIdent(r.printerVar)
+	ident.NamePos = sel.X.Pos()
+	sel.X = ident
+	if rewriteType.method != "" {
+		sel.Sel.Name = rewriteType.method
+	}
+
+	// Analyze arguments.
+	argn := rewriteType.arg
+	if rewriteType.format || argn >= len(call.Args) {
+		return r
+	}
+	hasConst := false
+	for _, a := range call.Args[argn:] {
+		if v := r.info.Types[a].Value; v != nil && v.Kind() == constant.String {
+			hasConst = true
+			break
+		}
+	}
+	if !hasConst {
+		return r
+	}
+	sel.Sel.Name = rewriteType.methodf
+
+	// We are done if there is only a single string that does not need to be
+	// escaped.
+	if len(call.Args) == 1 {
+		s, ok := constStr(r.info, call.Args[0])
+		if ok && !strings.Contains(s, "%") && !rewriteType.newLine {
+			return r
+		}
+	}
+
+	// Rewrite arguments as format string.
+	expr := &ast.BasicLit{
+		ValuePos: call.Lparen,
+		Kind:     token.STRING,
+	}
+	newArgs := append(call.Args[:argn:argn], expr)
+	newStr := []string{}
+	for i, a := range call.Args[argn:] {
+		if s, ok := constStr(r.info, a); ok {
+			newStr = append(newStr, strings.Replace(s, "%", "%%", -1))
+		} else {
+			newStr = append(newStr, "%v")
+			newArgs = append(newArgs, call.Args[argn+i])
+		}
+	}
+	s := strings.Join(newStr, rewriteType.sep)
+	if rewriteType.newLine {
+		s += "\n"
+	}
+	expr.Value = fmt.Sprintf("%q", s)
+
+	call.Args = newArgs
+
+	// TODO: consider creating an expression instead of a constant string and
+	// then wrapping it in an escape function or so:
+	// call.Args[argn+i] = &ast.CallExpr{
+	// 		Fun: &ast.SelectorExpr{
+	// 			X:   ast.NewIdent("message"),
+	// 			Sel: ast.NewIdent("Lookup"),
+	// 		},
+	// 		Args: []ast.Expr{a},
+	// 	}
+	// }
+
+	return r
+}
+
+type rewriteType struct {
+	// method is the name of the equivalent method on a printer, or "" if it is
+	// the same.
+	method string
+
+	// methodf is the method to use if the arguments can be rewritten as a
+	// arguments to a printf-style call.
+	methodf string
+
+	// format is true if the method takes a formatting string followed by
+	// substitution arguments.
+	format bool
+
+	// arg indicates the position of the argument to extract. If all is
+	// positive, all arguments from this argument onwards needs to be extracted.
+	arg int
+
+	sep     string
+	newLine bool
+}
+
+// rewriteFuncs list functions that can be directly mapped to the printer
+// functions of the message package.
+var rewriteFuncs = map[string]map[string]rewriteType{
+	// TODO: Printer -> *golang.org/x/text/message.Printer
+	"fmt": {
+		"Print":  rewriteType{methodf: "Printf"},
+		"Sprint": rewriteType{methodf: "Sprintf"},
+		"Fprint": rewriteType{methodf: "Fprintf"},
+
+		"Println":  rewriteType{methodf: "Printf", sep: " ", newLine: true},
+		"Sprintln": rewriteType{methodf: "Sprintf", sep: " ", newLine: true},
+		"Fprintln": rewriteType{methodf: "Fprintf", sep: " ", newLine: true},
+
+		"Printf":  rewriteType{method: "Printf", format: true},
+		"Sprintf": rewriteType{method: "Sprintf", format: true},
+		"Fprintf": rewriteType{method: "Fprintf", format: true},
+	},
+}
+
+func constStr(info *loader.PackageInfo, e ast.Expr) (s string, ok bool) {
+	v := info.Types[e].Value
+	if v == nil || v.Kind() != constant.String {
+		return "", false
+	}
+	return constant.StringVal(v), true
+}
diff --git a/vendor/golang.org/x/text/runes/cond.go b/vendor/golang.org/x/text/runes/cond.go
new file mode 100644
index 0000000..df7aa02
--- /dev/null
+++ b/vendor/golang.org/x/text/runes/cond.go
@@ -0,0 +1,187 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package runes
+
+import (
+	"unicode/utf8"
+
+	"golang.org/x/text/transform"
+)
+
+// Note: below we pass invalid UTF-8 to the tIn and tNotIn transformers as is.
+// This is done for various reasons:
+// - To retain the semantics of the Nop transformer: if input is passed to a Nop
+//   one would expect it to be unchanged.
+// - It would be very expensive to pass a converted RuneError to a transformer:
+//   a transformer might need more source bytes after RuneError, meaning that
+//   the only way to pass it safely is to create a new buffer and manage the
+//   intermingling of RuneErrors and normal input.
+// - Many transformers leave ill-formed UTF-8 as is, so this is not
+//   inconsistent. Generally ill-formed UTF-8 is only replaced if it is a
+//   logical consequence of the operation (as for Map) or if it otherwise would
+//   pose security concerns (as for Remove).
+// - An alternative would be to return an error on ill-formed UTF-8, but this
+//   would be inconsistent with other operations.
+
+// If returns a transformer that applies tIn to consecutive runes for which
+// s.Contains(r) and tNotIn to consecutive runes for which !s.Contains(r). Reset
+// is called on tIn and tNotIn at the start of each run. A Nop transformer will
+// substitute a nil value passed to tIn or tNotIn. Invalid UTF-8 is translated
+// to RuneError to determine which transformer to apply, but is passed as is to
+// the respective transformer.
+func If(s Set, tIn, tNotIn transform.Transformer) Transformer {
+	if tIn == nil && tNotIn == nil {
+		return Transformer{transform.Nop}
+	}
+	if tIn == nil {
+		tIn = transform.Nop
+	}
+	if tNotIn == nil {
+		tNotIn = transform.Nop
+	}
+	sIn, ok := tIn.(transform.SpanningTransformer)
+	if !ok {
+		sIn = dummySpan{tIn}
+	}
+	sNotIn, ok := tNotIn.(transform.SpanningTransformer)
+	if !ok {
+		sNotIn = dummySpan{tNotIn}
+	}
+
+	a := &cond{
+		tIn:    sIn,
+		tNotIn: sNotIn,
+		f:      s.Contains,
+	}
+	a.Reset()
+	return Transformer{a}
+}
+
+type dummySpan struct{ transform.Transformer }
+
+func (d dummySpan) Span(src []byte, atEOF bool) (n int, err error) {
+	return 0, transform.ErrEndOfSpan
+}
+
+type cond struct {
+	tIn, tNotIn transform.SpanningTransformer
+	f           func(rune) bool
+	check       func(rune) bool               // current check to perform
+	t           transform.SpanningTransformer // current transformer to use
+}
+
+// Reset implements transform.Transformer.
+func (t *cond) Reset() {
+	t.check = t.is
+	t.t = t.tIn
+	t.t.Reset() // notIn will be reset on first usage.
+}
+
+func (t *cond) is(r rune) bool {
+	if t.f(r) {
+		return true
+	}
+	t.check = t.isNot
+	t.t = t.tNotIn
+	t.tNotIn.Reset()
+	return false
+}
+
+func (t *cond) isNot(r rune) bool {
+	if !t.f(r) {
+		return true
+	}
+	t.check = t.is
+	t.t = t.tIn
+	t.tIn.Reset()
+	return false
+}
+
+// This implementation of Span doesn't help all too much, but it needs to be
+// there to satisfy this package's Transformer interface.
+// TODO: there are certainly room for improvements, though. For example, if
+// t.t == transform.Nop (which will a common occurrence) it will save a bundle
+// to special-case that loop.
+func (t *cond) Span(src []byte, atEOF bool) (n int, err error) {
+	p := 0
+	for n < len(src) && err == nil {
+		// Don't process too much at a time as the Spanner that will be
+		// called on this block may terminate early.
+		const maxChunk = 4096
+		max := len(src)
+		if v := n + maxChunk; v < max {
+			max = v
+		}
+		atEnd := false
+		size := 0
+		current := t.t
+		for ; p < max; p += size {
+			r := rune(src[p])
+			if r < utf8.RuneSelf {
+				size = 1
+			} else if r, size = utf8.DecodeRune(src[p:]); size == 1 {
+				if !atEOF && !utf8.FullRune(src[p:]) {
+					err = transform.ErrShortSrc
+					break
+				}
+			}
+			if !t.check(r) {
+				// The next rune will be the start of a new run.
+				atEnd = true
+				break
+			}
+		}
+		n2, err2 := current.Span(src[n:p], atEnd || (atEOF && p == len(src)))
+		n += n2
+		if err2 != nil {
+			return n, err2
+		}
+		// At this point either err != nil or t.check will pass for the rune at p.
+		p = n + size
+	}
+	return n, err
+}
+
+func (t *cond) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
+	p := 0
+	for nSrc < len(src) && err == nil {
+		// Don't process too much at a time, as the work might be wasted if the
+		// destination buffer isn't large enough to hold the result or a
+		// transform returns an error early.
+		const maxChunk = 4096
+		max := len(src)
+		if n := nSrc + maxChunk; n < len(src) {
+			max = n
+		}
+		atEnd := false
+		size := 0
+		current := t.t
+		for ; p < max; p += size {
+			r := rune(src[p])
+			if r < utf8.RuneSelf {
+				size = 1
+			} else if r, size = utf8.DecodeRune(src[p:]); size == 1 {
+				if !atEOF && !utf8.FullRune(src[p:]) {
+					err = transform.ErrShortSrc
+					break
+				}
+			}
+			if !t.check(r) {
+				// The next rune will be the start of a new run.
+				atEnd = true
+				break
+			}
+		}
+		nDst2, nSrc2, err2 := current.Transform(dst[nDst:], src[nSrc:p], atEnd || (atEOF && p == len(src)))
+		nDst += nDst2
+		nSrc += nSrc2
+		if err2 != nil {
+			return nDst, nSrc, err2
+		}
+		// At this point either err != nil or t.check will pass for the rune at p.
+		p = nSrc + size
+	}
+	return nDst, nSrc, err
+}
diff --git a/vendor/golang.org/x/text/runes/runes.go b/vendor/golang.org/x/text/runes/runes.go
new file mode 100644
index 0000000..930e87f
--- /dev/null
+++ b/vendor/golang.org/x/text/runes/runes.go
@@ -0,0 +1,355 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package runes provide transforms for UTF-8 encoded text.
+package runes // import "golang.org/x/text/runes"
+
+import (
+	"unicode"
+	"unicode/utf8"
+
+	"golang.org/x/text/transform"
+)
+
+// A Set is a collection of runes.
+type Set interface {
+	// Contains returns true if r is contained in the set.
+	Contains(r rune) bool
+}
+
+type setFunc func(rune) bool
+
+func (s setFunc) Contains(r rune) bool {
+	return s(r)
+}
+
+// Note: using funcs here instead of wrapping types result in cleaner
+// documentation and a smaller API.
+
+// In creates a Set with a Contains method that returns true for all runes in
+// the given RangeTable.
+func In(rt *unicode.RangeTable) Set {
+	return setFunc(func(r rune) bool { return unicode.Is(rt, r) })
+}
+
+// NotIn creates a Set with a Contains method that returns true for all runes not
+// in the given RangeTable.
+func NotIn(rt *unicode.RangeTable) Set {
+	return setFunc(func(r rune) bool { return !unicode.Is(rt, r) })
+}
+
+// Predicate creates a Set with a Contains method that returns f(r).
+func Predicate(f func(rune) bool) Set {
+	return setFunc(f)
+}
+
+// Transformer implements the transform.Transformer interface.
+type Transformer struct {
+	t transform.SpanningTransformer
+}
+
+func (t Transformer) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
+	return t.t.Transform(dst, src, atEOF)
+}
+
+func (t Transformer) Span(b []byte, atEOF bool) (n int, err error) {
+	return t.t.Span(b, atEOF)
+}
+
+func (t Transformer) Reset() { t.t.Reset() }
+
+// Bytes returns a new byte slice with the result of converting b using t.  It
+// calls Reset on t. It returns nil if any error was found. This can only happen
+// if an error-producing Transformer is passed to If.
+func (t Transformer) Bytes(b []byte) []byte {
+	b, _, err := transform.Bytes(t, b)
+	if err != nil {
+		return nil
+	}
+	return b
+}
+
+// String returns a string with the result of converting s using t. It calls
+// Reset on t. It returns the empty string if any error was found. This can only
+// happen if an error-producing Transformer is passed to If.
+func (t Transformer) String(s string) string {
+	s, _, err := transform.String(t, s)
+	if err != nil {
+		return ""
+	}
+	return s
+}
+
+// TODO:
+// - Copy: copying strings and bytes in whole-rune units.
+// - Validation (maybe)
+// - Well-formed-ness (maybe)
+
+const runeErrorString = string(utf8.RuneError)
+
+// Remove returns a Transformer that removes runes r for which s.Contains(r).
+// Illegal input bytes are replaced by RuneError before being passed to f.
+func Remove(s Set) Transformer {
+	if f, ok := s.(setFunc); ok {
+		// This little trick cuts the running time of BenchmarkRemove for sets
+		// created by Predicate roughly in half.
+		// TODO: special-case RangeTables as well.
+		return Transformer{remove(f)}
+	}
+	return Transformer{remove(s.Contains)}
+}
+
+// TODO: remove transform.RemoveFunc.
+
+type remove func(r rune) bool
+
+func (remove) Reset() {}
+
+// Span implements transform.Spanner.
+func (t remove) Span(src []byte, atEOF bool) (n int, err error) {
+	for r, size := rune(0), 0; n < len(src); {
+		if r = rune(src[n]); r < utf8.RuneSelf {
+			size = 1
+		} else if r, size = utf8.DecodeRune(src[n:]); size == 1 {
+			// Invalid rune.
+			if !atEOF && !utf8.FullRune(src[n:]) {
+				err = transform.ErrShortSrc
+			} else {
+				err = transform.ErrEndOfSpan
+			}
+			break
+		}
+		if t(r) {
+			err = transform.ErrEndOfSpan
+			break
+		}
+		n += size
+	}
+	return
+}
+
+// Transform implements transform.Transformer.
+func (t remove) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
+	for r, size := rune(0), 0; nSrc < len(src); {
+		if r = rune(src[nSrc]); r < utf8.RuneSelf {
+			size = 1
+		} else if r, size = utf8.DecodeRune(src[nSrc:]); size == 1 {
+			// Invalid rune.
+			if !atEOF && !utf8.FullRune(src[nSrc:]) {
+				err = transform.ErrShortSrc
+				break
+			}
+			// We replace illegal bytes with RuneError. Not doing so might
+			// otherwise turn a sequence of invalid UTF-8 into valid UTF-8.
+			// The resulting byte sequence may subsequently contain runes
+			// for which t(r) is true that were passed unnoticed.
+			if !t(utf8.RuneError) {
+				if nDst+3 > len(dst) {
+					err = transform.ErrShortDst
+					break
+				}
+				dst[nDst+0] = runeErrorString[0]
+				dst[nDst+1] = runeErrorString[1]
+				dst[nDst+2] = runeErrorString[2]
+				nDst += 3
+			}
+			nSrc++
+			continue
+		}
+		if t(r) {
+			nSrc += size
+			continue
+		}
+		if nDst+size > len(dst) {
+			err = transform.ErrShortDst
+			break
+		}
+		for i := 0; i < size; i++ {
+			dst[nDst] = src[nSrc]
+			nDst++
+			nSrc++
+		}
+	}
+	return
+}
+
+// Map returns a Transformer that maps the runes in the input using the given
+// mapping. Illegal bytes in the input are converted to utf8.RuneError before
+// being passed to the mapping func.
+func Map(mapping func(rune) rune) Transformer {
+	return Transformer{mapper(mapping)}
+}
+
+type mapper func(rune) rune
+
+func (mapper) Reset() {}
+
+// Span implements transform.Spanner.
+func (t mapper) Span(src []byte, atEOF bool) (n int, err error) {
+	for r, size := rune(0), 0; n < len(src); n += size {
+		if r = rune(src[n]); r < utf8.RuneSelf {
+			size = 1
+		} else if r, size = utf8.DecodeRune(src[n:]); size == 1 {
+			// Invalid rune.
+			if !atEOF && !utf8.FullRune(src[n:]) {
+				err = transform.ErrShortSrc
+			} else {
+				err = transform.ErrEndOfSpan
+			}
+			break
+		}
+		if t(r) != r {
+			err = transform.ErrEndOfSpan
+			break
+		}
+	}
+	return n, err
+}
+
+// Transform implements transform.Transformer.
+func (t mapper) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
+	var replacement rune
+	var b [utf8.UTFMax]byte
+
+	for r, size := rune(0), 0; nSrc < len(src); {
+		if r = rune(src[nSrc]); r < utf8.RuneSelf {
+			if replacement = t(r); replacement < utf8.RuneSelf {
+				if nDst == len(dst) {
+					err = transform.ErrShortDst
+					break
+				}
+				dst[nDst] = byte(replacement)
+				nDst++
+				nSrc++
+				continue
+			}
+			size = 1
+		} else if r, size = utf8.DecodeRune(src[nSrc:]); size == 1 {
+			// Invalid rune.
+			if !atEOF && !utf8.FullRune(src[nSrc:]) {
+				err = transform.ErrShortSrc
+				break
+			}
+
+			if replacement = t(utf8.RuneError); replacement == utf8.RuneError {
+				if nDst+3 > len(dst) {
+					err = transform.ErrShortDst
+					break
+				}
+				dst[nDst+0] = runeErrorString[0]
+				dst[nDst+1] = runeErrorString[1]
+				dst[nDst+2] = runeErrorString[2]
+				nDst += 3
+				nSrc++
+				continue
+			}
+		} else if replacement = t(r); replacement == r {
+			if nDst+size > len(dst) {
+				err = transform.ErrShortDst
+				break
+			}
+			for i := 0; i < size; i++ {
+				dst[nDst] = src[nSrc]
+				nDst++
+				nSrc++
+			}
+			continue
+		}
+
+		n := utf8.EncodeRune(b[:], replacement)
+
+		if nDst+n > len(dst) {
+			err = transform.ErrShortDst
+			break
+		}
+		for i := 0; i < n; i++ {
+			dst[nDst] = b[i]
+			nDst++
+		}
+		nSrc += size
+	}
+	return
+}
+
+// ReplaceIllFormed returns a transformer that replaces all input bytes that are
+// not part of a well-formed UTF-8 code sequence with utf8.RuneError.
+func ReplaceIllFormed() Transformer {
+	return Transformer{&replaceIllFormed{}}
+}
+
+type replaceIllFormed struct{ transform.NopResetter }
+
+func (t replaceIllFormed) Span(src []byte, atEOF bool) (n int, err error) {
+	for n < len(src) {
+		// ASCII fast path.
+		if src[n] < utf8.RuneSelf {
+			n++
+			continue
+		}
+
+		r, size := utf8.DecodeRune(src[n:])
+
+		// Look for a valid non-ASCII rune.
+		if r != utf8.RuneError || size != 1 {
+			n += size
+			continue
+		}
+
+		// Look for short source data.
+		if !atEOF && !utf8.FullRune(src[n:]) {
+			err = transform.ErrShortSrc
+			break
+		}
+
+		// We have an invalid rune.
+		err = transform.ErrEndOfSpan
+		break
+	}
+	return n, err
+}
+
+func (t replaceIllFormed) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
+	for nSrc < len(src) {
+		// ASCII fast path.
+		if r := src[nSrc]; r < utf8.RuneSelf {
+			if nDst == len(dst) {
+				err = transform.ErrShortDst
+				break
+			}
+			dst[nDst] = r
+			nDst++
+			nSrc++
+			continue
+		}
+
+		// Look for a valid non-ASCII rune.
+		if _, size := utf8.DecodeRune(src[nSrc:]); size != 1 {
+			if size != copy(dst[nDst:], src[nSrc:nSrc+size]) {
+				err = transform.ErrShortDst
+				break
+			}
+			nDst += size
+			nSrc += size
+			continue
+		}
+
+		// Look for short source data.
+		if !atEOF && !utf8.FullRune(src[nSrc:]) {
+			err = transform.ErrShortSrc
+			break
+		}
+
+		// We have an invalid rune.
+		if nDst+3 > len(dst) {
+			err = transform.ErrShortDst
+			break
+		}
+		dst[nDst+0] = runeErrorString[0]
+		dst[nDst+1] = runeErrorString[1]
+		dst[nDst+2] = runeErrorString[2]
+		nDst += 3
+		nSrc++
+	}
+	return nDst, nSrc, err
+}
diff --git a/vendor/golang.org/x/text/unicode/cldr/base.go b/vendor/golang.org/x/text/unicode/cldr/base.go
new file mode 100644
index 0000000..b71420c
--- /dev/null
+++ b/vendor/golang.org/x/text/unicode/cldr/base.go
@@ -0,0 +1,105 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cldr
+
+import (
+	"encoding/xml"
+	"regexp"
+	"strconv"
+)
+
+// Elem is implemented by every XML element.
+type Elem interface {
+	setEnclosing(Elem)
+	setName(string)
+	enclosing() Elem
+
+	GetCommon() *Common
+}
+
+type hidden struct {
+	CharData string `xml:",chardata"`
+	Alias    *struct {
+		Common
+		Source string `xml:"source,attr"`
+		Path   string `xml:"path,attr"`
+	} `xml:"alias"`
+	Def *struct {
+		Common
+		Choice string `xml:"choice,attr,omitempty"`
+		Type   string `xml:"type,attr,omitempty"`
+	} `xml:"default"`
+}
+
+// Common holds several of the most common attributes and sub elements
+// of an XML element.
+type Common struct {
+	XMLName         xml.Name
+	name            string
+	enclElem        Elem
+	Type            string `xml:"type,attr,omitempty"`
+	Reference       string `xml:"reference,attr,omitempty"`
+	Alt             string `xml:"alt,attr,omitempty"`
+	ValidSubLocales string `xml:"validSubLocales,attr,omitempty"`
+	Draft           string `xml:"draft,attr,omitempty"`
+	hidden
+}
+
+// Default returns the default type to select from the enclosed list
+// or "" if no default value is specified.
+func (e *Common) Default() string {
+	if e.Def == nil {
+		return ""
+	}
+	if e.Def.Choice != "" {
+		return e.Def.Choice
+	} else if e.Def.Type != "" {
+		// Type is still used by the default element in collation.
+		return e.Def.Type
+	}
+	return ""
+}
+
+// Element returns the XML element name.
+func (e *Common) Element() string {
+	return e.name
+}
+
+// GetCommon returns e. It is provided such that Common implements Elem.
+func (e *Common) GetCommon() *Common {
+	return e
+}
+
+// Data returns the character data accumulated for this element.
+func (e *Common) Data() string {
+	e.CharData = charRe.ReplaceAllStringFunc(e.CharData, replaceUnicode)
+	return e.CharData
+}
+
+func (e *Common) setName(s string) {
+	e.name = s
+}
+
+func (e *Common) enclosing() Elem {
+	return e.enclElem
+}
+
+func (e *Common) setEnclosing(en Elem) {
+	e.enclElem = en
+}
+
+// Escape characters that can be escaped without further escaping the string.
+var charRe = regexp.MustCompile(`&#x[0-9a-fA-F]*;|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8}|\\x[0-9a-fA-F]{2}|\\[0-7]{3}|\\[abtnvfr]`)
+
+// replaceUnicode converts hexadecimal Unicode codepoint notations to a one-rune string.
+// It assumes the input string is correctly formatted.
+func replaceUnicode(s string) string {
+	if s[1] == '#' {
+		r, _ := strconv.ParseInt(s[3:len(s)-1], 16, 32)
+		return string(rune(r))
+	}
+	r, _, _, _ := strconv.UnquoteChar(s, 0)
+	return string(r)
+}
diff --git a/vendor/golang.org/x/text/unicode/cldr/cldr.go b/vendor/golang.org/x/text/unicode/cldr/cldr.go
new file mode 100644
index 0000000..f39b2e3
--- /dev/null
+++ b/vendor/golang.org/x/text/unicode/cldr/cldr.go
@@ -0,0 +1,137 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:generate go run makexml.go -output xml.go
+
+// Package cldr provides a parser for LDML and related XML formats.
+//
+// This package is intended to be used by the table generation tools for the
+// various packages in x/text and is not internal for historical reasons.
+//
+// As the XML types are generated from the CLDR DTD, and as the CLDR standard is
+// periodically amended, this package may change considerably over time. This
+// mostly means that data may appear and disappear between versions. That is,
+// old code should keep compiling for newer versions, but data may have moved or
+// changed. CLDR version 22 is the first version supported by this package.
+// Older versions may not work.
+package cldr // import "golang.org/x/text/unicode/cldr"
+
+import (
+	"fmt"
+	"sort"
+)
+
+// CLDR provides access to parsed data of the Unicode Common Locale Data Repository.
+type CLDR struct {
+	parent   map[string][]string
+	locale   map[string]*LDML
+	resolved map[string]*LDML
+	bcp47    *LDMLBCP47
+	supp     *SupplementalData
+}
+
+func makeCLDR() *CLDR {
+	return &CLDR{
+		parent:   make(map[string][]string),
+		locale:   make(map[string]*LDML),
+		resolved: make(map[string]*LDML),
+		bcp47:    &LDMLBCP47{},
+		supp:     &SupplementalData{},
+	}
+}
+
+// BCP47 returns the parsed BCP47 LDML data. If no such data was parsed, nil is returned.
+func (cldr *CLDR) BCP47() *LDMLBCP47 {
+	return nil
+}
+
+// Draft indicates the draft level of an element.
+type Draft int
+
+const (
+	Approved Draft = iota
+	Contributed
+	Provisional
+	Unconfirmed
+)
+
+var drafts = []string{"unconfirmed", "provisional", "contributed", "approved", ""}
+
+// ParseDraft returns the Draft value corresponding to the given string. The
+// empty string corresponds to Approved.
+func ParseDraft(level string) (Draft, error) {
+	if level == "" {
+		return Approved, nil
+	}
+	for i, s := range drafts {
+		if level == s {
+			return Unconfirmed - Draft(i), nil
+		}
+	}
+	return Approved, fmt.Errorf("cldr: unknown draft level %q", level)
+}
+
+func (d Draft) String() string {
+	return drafts[len(drafts)-1-int(d)]
+}
+
+// SetDraftLevel sets which draft levels to include in the evaluated LDML.
+// Any draft element for which the draft level is higher than lev will be excluded.
+// If multiple draft levels are available for a single element, the one with the
+// lowest draft level will be selected, unless preferDraft is true, in which case
+// the highest draft will be chosen.
+// It is assumed that the underlying LDML is canonicalized.
+func (cldr *CLDR) SetDraftLevel(lev Draft, preferDraft bool) {
+	// TODO: implement
+	cldr.resolved = make(map[string]*LDML)
+}
+
+// RawLDML returns the LDML XML for id in unresolved form.
+// id must be one of the strings returned by Locales.
+func (cldr *CLDR) RawLDML(loc string) *LDML {
+	return cldr.locale[loc]
+}
+
+// LDML returns the fully resolved LDML XML for loc, which must be one of
+// the strings returned by Locales.
+//
+// Deprecated: Use RawLDML and implement inheritance manually or using the
+// internal cldrtree package.
+// Inheritance has changed quite a bit since the onset of this package and in
+// practice data often represented in a way where knowledge of how it was
+// inherited is relevant.
+func (cldr *CLDR) LDML(loc string) (*LDML, error) {
+	return cldr.resolve(loc)
+}
+
+// Supplemental returns the parsed supplemental data. If no such data was parsed,
+// nil is returned.
+func (cldr *CLDR) Supplemental() *SupplementalData {
+	return cldr.supp
+}
+
+// Locales returns the locales for which there exist files.
+// Valid sublocales for which there is no file are not included.
+// The root locale is always sorted first.
+func (cldr *CLDR) Locales() []string {
+	loc := []string{"root"}
+	hasRoot := false
+	for l, _ := range cldr.locale {
+		if l == "root" {
+			hasRoot = true
+			continue
+		}
+		loc = append(loc, l)
+	}
+	sort.Strings(loc[1:])
+	if !hasRoot {
+		return loc[1:]
+	}
+	return loc
+}
+
+// Get fills in the fields of x based on the XPath path.
+func Get(e Elem, path string) (res Elem, err error) {
+	return walkXPath(e, path)
+}
diff --git a/vendor/golang.org/x/text/unicode/cldr/collate.go b/vendor/golang.org/x/text/unicode/cldr/collate.go
new file mode 100644
index 0000000..5794ae4
--- /dev/null
+++ b/vendor/golang.org/x/text/unicode/cldr/collate.go
@@ -0,0 +1,363 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cldr
+
+import (
+	"bufio"
+	"encoding/xml"
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"unicode"
+	"unicode/utf8"
+)
+
+// RuleProcessor can be passed to Collator's Process method, which
+// parses the rules and calls the respective method for each rule found.
+type RuleProcessor interface {
+	Reset(anchor string, before int) error
+	Insert(level int, str, context, extend string) error
+	Index(id string)
+}
+
+const (
+	// cldrIndex is a Unicode-reserved sentinel value used to mark the start
+	// of a grouping within an index.
+	// We ignore any rule that starts with this rune.
+	// See https://unicode.org/reports/tr35/#Collation_Elements for details.
+	cldrIndex = "\uFDD0"
+
+	// specialAnchor is the format in which to represent logical reset positions,
+	// such as "first tertiary ignorable".
+	specialAnchor = "<%s/>"
+)
+
+// Process parses the rules for the tailorings of this collation
+// and calls the respective methods of p for each rule found.
+func (c Collation) Process(p RuleProcessor) (err error) {
+	if len(c.Cr) > 0 {
+		if len(c.Cr) > 1 {
+			return fmt.Errorf("multiple cr elements, want 0 or 1")
+		}
+		return processRules(p, c.Cr[0].Data())
+	}
+	if c.Rules.Any != nil {
+		return c.processXML(p)
+	}
+	return errors.New("no tailoring data")
+}
+
+// processRules parses rules in the Collation Rule Syntax defined in
+// https://www.unicode.org/reports/tr35/tr35-collation.html#Collation_Tailorings.
+func processRules(p RuleProcessor, s string) (err error) {
+	chk := func(s string, e error) string {
+		if err == nil {
+			err = e
+		}
+		return s
+	}
+	i := 0 // Save the line number for use after the loop.
+	scanner := bufio.NewScanner(strings.NewReader(s))
+	for ; scanner.Scan() && err == nil; i++ {
+		for s := skipSpace(scanner.Text()); s != "" && s[0] != '#'; s = skipSpace(s) {
+			level := 5
+			var ch byte
+			switch ch, s = s[0], s[1:]; ch {
+			case '&': // followed by <anchor> or '[' <key> ']'
+				if s = skipSpace(s); consume(&s, '[') {
+					s = chk(parseSpecialAnchor(p, s))
+				} else {
+					s = chk(parseAnchor(p, 0, s))
+				}
+			case '<': // sort relation '<'{1,4}, optionally followed by '*'.
+				for level = 1; consume(&s, '<'); level++ {
+				}
+				if level > 4 {
+					err = fmt.Errorf("level %d > 4", level)
+				}
+				fallthrough
+			case '=': // identity relation, optionally followed by *.
+				if consume(&s, '*') {
+					s = chk(parseSequence(p, level, s))
+				} else {
+					s = chk(parseOrder(p, level, s))
+				}
+			default:
+				chk("", fmt.Errorf("illegal operator %q", ch))
+				break
+			}
+		}
+	}
+	if chk("", scanner.Err()); err != nil {
+		return fmt.Errorf("%d: %v", i, err)
+	}
+	return nil
+}
+
+// parseSpecialAnchor parses the anchor syntax which is either of the form
+//
+//	['before' <level>] <anchor>
+//
+// or
+//
+//	[<label>]
+//
+// The starting should already be consumed.
+func parseSpecialAnchor(p RuleProcessor, s string) (tail string, err error) {
+	i := strings.IndexByte(s, ']')
+	if i == -1 {
+		return "", errors.New("unmatched bracket")
+	}
+	a := strings.TrimSpace(s[:i])
+	s = s[i+1:]
+	if strings.HasPrefix(a, "before ") {
+		l, err := strconv.ParseUint(skipSpace(a[len("before "):]), 10, 3)
+		if err != nil {
+			return s, err
+		}
+		return parseAnchor(p, int(l), s)
+	}
+	return s, p.Reset(fmt.Sprintf(specialAnchor, a), 0)
+}
+
+func parseAnchor(p RuleProcessor, level int, s string) (tail string, err error) {
+	anchor, s, err := scanString(s)
+	if err != nil {
+		return s, err
+	}
+	return s, p.Reset(anchor, level)
+}
+
+func parseOrder(p RuleProcessor, level int, s string) (tail string, err error) {
+	var value, context, extend string
+	if value, s, err = scanString(s); err != nil {
+		return s, err
+	}
+	if strings.HasPrefix(value, cldrIndex) {
+		p.Index(value[len(cldrIndex):])
+		return
+	}
+	if consume(&s, '|') {
+		if context, s, err = scanString(s); err != nil {
+			return s, errors.New("missing string after context")
+		}
+	}
+	if consume(&s, '/') {
+		if extend, s, err = scanString(s); err != nil {
+			return s, errors.New("missing string after extension")
+		}
+	}
+	return s, p.Insert(level, value, context, extend)
+}
+
+// scanString scans a single input string.
+func scanString(s string) (str, tail string, err error) {
+	if s = skipSpace(s); s == "" {
+		return s, s, errors.New("missing string")
+	}
+	buf := [16]byte{} // small but enough to hold most cases.
+	value := buf[:0]
+	for s != "" {
+		if consume(&s, '\'') {
+			i := strings.IndexByte(s, '\'')
+			if i == -1 {
+				return "", "", errors.New(`unmatched single quote`)
+			}
+			if i == 0 {
+				value = append(value, '\'')
+			} else {
+				value = append(value, s[:i]...)
+			}
+			s = s[i+1:]
+			continue
+		}
+		r, sz := utf8.DecodeRuneInString(s)
+		if unicode.IsSpace(r) || strings.ContainsRune("&<=#", r) {
+			break
+		}
+		value = append(value, s[:sz]...)
+		s = s[sz:]
+	}
+	return string(value), skipSpace(s), nil
+}
+
+func parseSequence(p RuleProcessor, level int, s string) (tail string, err error) {
+	if s = skipSpace(s); s == "" {
+		return s, errors.New("empty sequence")
+	}
+	last := rune(0)
+	for s != "" {
+		r, sz := utf8.DecodeRuneInString(s)
+		s = s[sz:]
+
+		if r == '-' {
+			// We have a range. The first element was already written.
+			if last == 0 {
+				return s, errors.New("range without starter value")
+			}
+			r, sz = utf8.DecodeRuneInString(s)
+			s = s[sz:]
+			if r == utf8.RuneError || r < last {
+				return s, fmt.Errorf("invalid range %q-%q", last, r)
+			}
+			for i := last + 1; i <= r; i++ {
+				if err := p.Insert(level, string(i), "", ""); err != nil {
+					return s, err
+				}
+			}
+			last = 0
+			continue
+		}
+
+		if unicode.IsSpace(r) || unicode.IsPunct(r) {
+			break
+		}
+
+		// normal case
+		if err := p.Insert(level, string(r), "", ""); err != nil {
+			return s, err
+		}
+		last = r
+	}
+	return s, nil
+}
+
+func skipSpace(s string) string {
+	return strings.TrimLeftFunc(s, unicode.IsSpace)
+}
+
+// consume returns whether the next byte is ch. If so, it gobbles it by
+// updating s.
+func consume(s *string, ch byte) (ok bool) {
+	if *s == "" || (*s)[0] != ch {
+		return false
+	}
+	*s = (*s)[1:]
+	return true
+}
+
+// The following code parses Collation rules of CLDR version 24 and before.
+
+var lmap = map[byte]int{
+	'p': 1,
+	's': 2,
+	't': 3,
+	'i': 5,
+}
+
+type rulesElem struct {
+	Rules struct {
+		Common
+		Any []*struct {
+			XMLName xml.Name
+			rule
+		} `xml:",any"`
+	} `xml:"rules"`
+}
+
+type rule struct {
+	Value  string `xml:",chardata"`
+	Before string `xml:"before,attr"`
+	Any    []*struct {
+		XMLName xml.Name
+		rule
+	} `xml:",any"`
+}
+
+var emptyValueError = errors.New("cldr: empty rule value")
+
+func (r *rule) value() (string, error) {
+	// Convert hexadecimal Unicode codepoint notation to a string.
+	s := charRe.ReplaceAllStringFunc(r.Value, replaceUnicode)
+	r.Value = s
+	if s == "" {
+		if len(r.Any) != 1 {
+			return "", emptyValueError
+		}
+		r.Value = fmt.Sprintf(specialAnchor, r.Any[0].XMLName.Local)
+		r.Any = nil
+	} else if len(r.Any) != 0 {
+		return "", fmt.Errorf("cldr: XML elements found in collation rule: %v", r.Any)
+	}
+	return r.Value, nil
+}
+
+func (r rule) process(p RuleProcessor, name, context, extend string) error {
+	v, err := r.value()
+	if err != nil {
+		return err
+	}
+	switch name {
+	case "p", "s", "t", "i":
+		if strings.HasPrefix(v, cldrIndex) {
+			p.Index(v[len(cldrIndex):])
+			return nil
+		}
+		if err := p.Insert(lmap[name[0]], v, context, extend); err != nil {
+			return err
+		}
+	case "pc", "sc", "tc", "ic":
+		level := lmap[name[0]]
+		for _, s := range v {
+			if err := p.Insert(level, string(s), context, extend); err != nil {
+				return err
+			}
+		}
+	default:
+		return fmt.Errorf("cldr: unsupported tag: %q", name)
+	}
+	return nil
+}
+
+// processXML parses the format of CLDR versions 24 and older.
+func (c Collation) processXML(p RuleProcessor) (err error) {
+	// Collation is generated and defined in xml.go.
+	var v string
+	for _, r := range c.Rules.Any {
+		switch r.XMLName.Local {
+		case "reset":
+			level := 0
+			switch r.Before {
+			case "primary", "1":
+				level = 1
+			case "secondary", "2":
+				level = 2
+			case "tertiary", "3":
+				level = 3
+			case "":
+			default:
+				return fmt.Errorf("cldr: unknown level %q", r.Before)
+			}
+			v, err = r.value()
+			if err == nil {
+				err = p.Reset(v, level)
+			}
+		case "x":
+			var context, extend string
+			for _, r1 := range r.Any {
+				v, err = r1.value()
+				switch r1.XMLName.Local {
+				case "context":
+					context = v
+				case "extend":
+					extend = v
+				}
+			}
+			for _, r1 := range r.Any {
+				if t := r1.XMLName.Local; t == "context" || t == "extend" {
+					continue
+				}
+				r1.rule.process(p, r1.XMLName.Local, context, extend)
+			}
+		default:
+			err = r.rule.process(p, r.XMLName.Local, "", "")
+		}
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
diff --git a/vendor/golang.org/x/text/unicode/cldr/decode.go b/vendor/golang.org/x/text/unicode/cldr/decode.go
new file mode 100644
index 0000000..7a8fb5a
--- /dev/null
+++ b/vendor/golang.org/x/text/unicode/cldr/decode.go
@@ -0,0 +1,171 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cldr
+
+import (
+	"archive/zip"
+	"bytes"
+	"encoding/xml"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"path/filepath"
+	"regexp"
+)
+
+// A Decoder loads an archive of CLDR data.
+type Decoder struct {
+	dirFilter     []string
+	sectionFilter []string
+	loader        Loader
+	cldr          *CLDR
+	curLocale     string
+}
+
+// SetSectionFilter takes a list top-level LDML element names to which
+// evaluation of LDML should be limited.  It automatically calls SetDirFilter.
+func (d *Decoder) SetSectionFilter(filter ...string) {
+	d.sectionFilter = filter
+	// TODO: automatically set dir filter
+}
+
+// SetDirFilter limits the loading of LDML XML files of the specified directories.
+// Note that sections may be split across directories differently for different CLDR versions.
+// For more robust code, use SetSectionFilter.
+func (d *Decoder) SetDirFilter(dir ...string) {
+	d.dirFilter = dir
+}
+
+// A Loader provides access to the files of a CLDR archive.
+type Loader interface {
+	Len() int
+	Path(i int) string
+	Reader(i int) (io.ReadCloser, error)
+}
+
+var fileRe = regexp.MustCompile(`.*[/\\](.*)[/\\](.*)\.xml`)
+
+// Decode loads and decodes the files represented by l.
+func (d *Decoder) Decode(l Loader) (cldr *CLDR, err error) {
+	d.cldr = makeCLDR()
+	for i := 0; i < l.Len(); i++ {
+		fname := l.Path(i)
+		if m := fileRe.FindStringSubmatch(fname); m != nil {
+			if len(d.dirFilter) > 0 && !in(d.dirFilter, m[1]) {
+				continue
+			}
+			var r io.ReadCloser
+			if r, err = l.Reader(i); err == nil {
+				err = d.decode(m[1], m[2], r)
+				r.Close()
+			}
+			if err != nil {
+				return nil, err
+			}
+		}
+	}
+	d.cldr.finalize(d.sectionFilter)
+	return d.cldr, nil
+}
+
+func (d *Decoder) decode(dir, id string, r io.Reader) error {
+	var v interface{}
+	var l *LDML
+	cldr := d.cldr
+	switch {
+	case dir == "supplemental":
+		v = cldr.supp
+	case dir == "transforms":
+		return nil
+	case dir == "bcp47":
+		v = cldr.bcp47
+	case dir == "validity":
+		return nil
+	default:
+		ok := false
+		if v, ok = cldr.locale[id]; !ok {
+			l = &LDML{}
+			v, cldr.locale[id] = l, l
+		}
+	}
+	x := xml.NewDecoder(r)
+	if err := x.Decode(v); err != nil {
+		log.Printf("%s/%s: %v", dir, id, err)
+		return err
+	}
+	if l != nil {
+		if l.Identity == nil {
+			return fmt.Errorf("%s/%s: missing identity element", dir, id)
+		}
+		// TODO: verify when CLDR bug https://unicode.org/cldr/trac/ticket/8970
+		// is resolved.
+		// path := strings.Split(id, "_")
+		// if lang := l.Identity.Language.Type; lang != path[0] {
+		// 	return fmt.Errorf("%s/%s: language was %s; want %s", dir, id, lang, path[0])
+		// }
+	}
+	return nil
+}
+
+type pathLoader []string
+
+func makePathLoader(path string) (pl pathLoader, err error) {
+	err = filepath.Walk(path, func(path string, _ os.FileInfo, err error) error {
+		pl = append(pl, path)
+		return err
+	})
+	return pl, err
+}
+
+func (pl pathLoader) Len() int {
+	return len(pl)
+}
+
+func (pl pathLoader) Path(i int) string {
+	return pl[i]
+}
+
+func (pl pathLoader) Reader(i int) (io.ReadCloser, error) {
+	return os.Open(pl[i])
+}
+
+// DecodePath loads CLDR data from the given path.
+func (d *Decoder) DecodePath(path string) (cldr *CLDR, err error) {
+	loader, err := makePathLoader(path)
+	if err != nil {
+		return nil, err
+	}
+	return d.Decode(loader)
+}
+
+type zipLoader struct {
+	r *zip.Reader
+}
+
+func (zl zipLoader) Len() int {
+	return len(zl.r.File)
+}
+
+func (zl zipLoader) Path(i int) string {
+	return zl.r.File[i].Name
+}
+
+func (zl zipLoader) Reader(i int) (io.ReadCloser, error) {
+	return zl.r.File[i].Open()
+}
+
+// DecodeZip loads CLDR data from the zip archive for which r is the source.
+func (d *Decoder) DecodeZip(r io.Reader) (cldr *CLDR, err error) {
+	buffer, err := io.ReadAll(r)
+	if err != nil {
+		return nil, err
+	}
+	archive, err := zip.NewReader(bytes.NewReader(buffer), int64(len(buffer)))
+	if err != nil {
+		return nil, err
+	}
+	return d.Decode(zipLoader{archive})
+}
diff --git a/vendor/golang.org/x/text/unicode/cldr/resolve.go b/vendor/golang.org/x/text/unicode/cldr/resolve.go
new file mode 100644
index 0000000..31cc7be
--- /dev/null
+++ b/vendor/golang.org/x/text/unicode/cldr/resolve.go
@@ -0,0 +1,602 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cldr
+
+// This file implements the various inheritance constructs defined by LDML.
+// See https://www.unicode.org/reports/tr35/#Inheritance_and_Validity
+// for more details.
+
+import (
+	"fmt"
+	"log"
+	"reflect"
+	"regexp"
+	"sort"
+	"strings"
+)
+
+// fieldIter iterates over fields in a struct. It includes
+// fields of embedded structs.
+type fieldIter struct {
+	v        reflect.Value
+	index, n []int
+}
+
+func iter(v reflect.Value) fieldIter {
+	if v.Kind() != reflect.Struct {
+		log.Panicf("value %v must be a struct", v)
+	}
+	i := fieldIter{
+		v:     v,
+		index: []int{0},
+		n:     []int{v.NumField()},
+	}
+	i.descent()
+	return i
+}
+
+func (i *fieldIter) descent() {
+	for f := i.field(); f.Anonymous && f.Type.NumField() > 0; f = i.field() {
+		i.index = append(i.index, 0)
+		i.n = append(i.n, f.Type.NumField())
+	}
+}
+
+func (i *fieldIter) done() bool {
+	return len(i.index) == 1 && i.index[0] >= i.n[0]
+}
+
+func skip(f reflect.StructField) bool {
+	return !f.Anonymous && (f.Name[0] < 'A' || f.Name[0] > 'Z')
+}
+
+func (i *fieldIter) next() {
+	for {
+		k := len(i.index) - 1
+		i.index[k]++
+		if i.index[k] < i.n[k] {
+			if !skip(i.field()) {
+				break
+			}
+		} else {
+			if k == 0 {
+				return
+			}
+			i.index = i.index[:k]
+			i.n = i.n[:k]
+		}
+	}
+	i.descent()
+}
+
+func (i *fieldIter) value() reflect.Value {
+	return i.v.FieldByIndex(i.index)
+}
+
+func (i *fieldIter) field() reflect.StructField {
+	return i.v.Type().FieldByIndex(i.index)
+}
+
+type visitor func(v reflect.Value) error
+
+var stopDescent = fmt.Errorf("do not recurse")
+
+func (f visitor) visit(x interface{}) error {
+	return f.visitRec(reflect.ValueOf(x))
+}
+
+// visit recursively calls f on all nodes in v.
+func (f visitor) visitRec(v reflect.Value) error {
+	if v.Kind() == reflect.Ptr {
+		if v.IsNil() {
+			return nil
+		}
+		return f.visitRec(v.Elem())
+	}
+	if err := f(v); err != nil {
+		if err == stopDescent {
+			return nil
+		}
+		return err
+	}
+	switch v.Kind() {
+	case reflect.Struct:
+		for i := iter(v); !i.done(); i.next() {
+			if err := f.visitRec(i.value()); err != nil {
+				return err
+			}
+		}
+	case reflect.Slice:
+		for i := 0; i < v.Len(); i++ {
+			if err := f.visitRec(v.Index(i)); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+// getPath is used for error reporting purposes only.
+func getPath(e Elem) string {
+	if e == nil {
+		return "<nil>"
+	}
+	if e.enclosing() == nil {
+		return e.GetCommon().name
+	}
+	if e.GetCommon().Type == "" {
+		return fmt.Sprintf("%s.%s", getPath(e.enclosing()), e.GetCommon().name)
+	}
+	return fmt.Sprintf("%s.%s[type=%s]", getPath(e.enclosing()), e.GetCommon().name, e.GetCommon().Type)
+}
+
+// xmlName returns the xml name of the element or attribute
+func xmlName(f reflect.StructField) (name string, attr bool) {
+	tags := strings.Split(f.Tag.Get("xml"), ",")
+	for _, s := range tags {
+		attr = attr || s == "attr"
+	}
+	return tags[0], attr
+}
+
+func findField(v reflect.Value, key string) (reflect.Value, error) {
+	v = reflect.Indirect(v)
+	for i := iter(v); !i.done(); i.next() {
+		if n, _ := xmlName(i.field()); n == key {
+			return i.value(), nil
+		}
+	}
+	return reflect.Value{}, fmt.Errorf("cldr: no field %q in element %#v", key, v.Interface())
+}
+
+var xpathPart = regexp.MustCompile(`(\pL+)(?:\[@(\pL+)='([\w-]+)'\])?`)
+
+func walkXPath(e Elem, path string) (res Elem, err error) {
+	for _, c := range strings.Split(path, "/") {
+		if c == ".." {
+			if e = e.enclosing(); e == nil {
+				panic("path ..")
+				return nil, fmt.Errorf(`cldr: ".." moves past root in path %q`, path)
+			}
+			continue
+		} else if c == "" {
+			continue
+		}
+		m := xpathPart.FindStringSubmatch(c)
+		if len(m) == 0 || len(m[0]) != len(c) {
+			return nil, fmt.Errorf("cldr: syntax error in path component %q", c)
+		}
+		v, err := findField(reflect.ValueOf(e), m[1])
+		if err != nil {
+			return nil, err
+		}
+		switch v.Kind() {
+		case reflect.Slice:
+			i := 0
+			if m[2] != "" || v.Len() > 1 {
+				if m[2] == "" {
+					m[2] = "type"
+					if m[3] = e.GetCommon().Default(); m[3] == "" {
+						return nil, fmt.Errorf("cldr: type selector or default value needed for element %s", m[1])
+					}
+				}
+				for ; i < v.Len(); i++ {
+					vi := v.Index(i)
+					key, err := findField(vi.Elem(), m[2])
+					if err != nil {
+						return nil, err
+					}
+					key = reflect.Indirect(key)
+					if key.Kind() == reflect.String && key.String() == m[3] {
+						break
+					}
+				}
+			}
+			if i == v.Len() || v.Index(i).IsNil() {
+				return nil, fmt.Errorf("no %s found with %s==%s", m[1], m[2], m[3])
+			}
+			e = v.Index(i).Interface().(Elem)
+		case reflect.Ptr:
+			if v.IsNil() {
+				return nil, fmt.Errorf("cldr: element %q not found within element %q", m[1], e.GetCommon().name)
+			}
+			var ok bool
+			if e, ok = v.Interface().(Elem); !ok {
+				return nil, fmt.Errorf("cldr: %q is not an XML element", m[1])
+			} else if m[2] != "" || m[3] != "" {
+				return nil, fmt.Errorf("cldr: no type selector allowed for element %s", m[1])
+			}
+		default:
+			return nil, fmt.Errorf("cldr: %q is not an XML element", m[1])
+		}
+	}
+	return e, nil
+}
+
+const absPrefix = "//ldml/"
+
+func (cldr *CLDR) resolveAlias(e Elem, src, path string) (res Elem, err error) {
+	if src != "locale" {
+		if !strings.HasPrefix(path, absPrefix) {
+			return nil, fmt.Errorf("cldr: expected absolute path, found %q", path)
+		}
+		path = path[len(absPrefix):]
+		if e, err = cldr.resolve(src); err != nil {
+			return nil, err
+		}
+	}
+	return walkXPath(e, path)
+}
+
+func (cldr *CLDR) resolveAndMergeAlias(e Elem) error {
+	alias := e.GetCommon().Alias
+	if alias == nil {
+		return nil
+	}
+	a, err := cldr.resolveAlias(e, alias.Source, alias.Path)
+	if err != nil {
+		return fmt.Errorf("%v: error evaluating path %q: %v", getPath(e), alias.Path, err)
+	}
+	// Ensure alias node was already evaluated. TODO: avoid double evaluation.
+	err = cldr.resolveAndMergeAlias(a)
+	v := reflect.ValueOf(e).Elem()
+	for i := iter(reflect.ValueOf(a).Elem()); !i.done(); i.next() {
+		if vv := i.value(); vv.Kind() != reflect.Ptr || !vv.IsNil() {
+			if _, attr := xmlName(i.field()); !attr {
+				v.FieldByIndex(i.index).Set(vv)
+			}
+		}
+	}
+	return err
+}
+
+func (cldr *CLDR) aliasResolver() visitor {
+	return func(v reflect.Value) (err error) {
+		if e, ok := v.Addr().Interface().(Elem); ok {
+			err = cldr.resolveAndMergeAlias(e)
+			if err == nil && blocking[e.GetCommon().name] {
+				return stopDescent
+			}
+		}
+		return err
+	}
+}
+
+// elements within blocking elements do not inherit.
+// Taken from CLDR's supplementalMetaData.xml.
+var blocking = map[string]bool{
+	"identity":         true,
+	"supplementalData": true,
+	"cldrTest":         true,
+	"collation":        true,
+	"transform":        true,
+}
+
+// Distinguishing attributes affect inheritance; two elements with different
+// distinguishing attributes are treated as different for purposes of inheritance,
+// except when such attributes occur in the indicated elements.
+// Taken from CLDR's supplementalMetaData.xml.
+var distinguishing = map[string][]string{
+	"key":        nil,
+	"request_id": nil,
+	"id":         nil,
+	"registry":   nil,
+	"alt":        nil,
+	"iso4217":    nil,
+	"iso3166":    nil,
+	"mzone":      nil,
+	"from":       nil,
+	"to":         nil,
+	"type": []string{
+		"abbreviationFallback",
+		"default",
+		"mapping",
+		"measurementSystem",
+		"preferenceOrdering",
+	},
+	"numberSystem": nil,
+}
+
+func in(set []string, s string) bool {
+	for _, v := range set {
+		if v == s {
+			return true
+		}
+	}
+	return false
+}
+
+// attrKey computes a key based on the distinguishable attributes of
+// an element and its values.
+func attrKey(v reflect.Value, exclude ...string) string {
+	parts := []string{}
+	ename := v.Interface().(Elem).GetCommon().name
+	v = v.Elem()
+	for i := iter(v); !i.done(); i.next() {
+		if name, attr := xmlName(i.field()); attr {
+			if except, ok := distinguishing[name]; ok && !in(exclude, name) && !in(except, ename) {
+				v := i.value()
+				if v.Kind() == reflect.Ptr {
+					v = v.Elem()
+				}
+				if v.IsValid() {
+					parts = append(parts, fmt.Sprintf("%s=%s", name, v.String()))
+				}
+			}
+		}
+	}
+	sort.Strings(parts)
+	return strings.Join(parts, ";")
+}
+
+// Key returns a key for e derived from all distinguishing attributes
+// except those specified by exclude.
+func Key(e Elem, exclude ...string) string {
+	return attrKey(reflect.ValueOf(e), exclude...)
+}
+
+// linkEnclosing sets the enclosing element as well as the name
+// for all sub-elements of child, recursively.
+func linkEnclosing(parent, child Elem) {
+	child.setEnclosing(parent)
+	v := reflect.ValueOf(child).Elem()
+	for i := iter(v); !i.done(); i.next() {
+		vf := i.value()
+		if vf.Kind() == reflect.Slice {
+			for j := 0; j < vf.Len(); j++ {
+				linkEnclosing(child, vf.Index(j).Interface().(Elem))
+			}
+		} else if vf.Kind() == reflect.Ptr && !vf.IsNil() && vf.Elem().Kind() == reflect.Struct {
+			linkEnclosing(child, vf.Interface().(Elem))
+		}
+	}
+}
+
+func setNames(e Elem, name string) {
+	e.setName(name)
+	v := reflect.ValueOf(e).Elem()
+	for i := iter(v); !i.done(); i.next() {
+		vf := i.value()
+		name, _ = xmlName(i.field())
+		if vf.Kind() == reflect.Slice {
+			for j := 0; j < vf.Len(); j++ {
+				setNames(vf.Index(j).Interface().(Elem), name)
+			}
+		} else if vf.Kind() == reflect.Ptr && !vf.IsNil() && vf.Elem().Kind() == reflect.Struct {
+			setNames(vf.Interface().(Elem), name)
+		}
+	}
+}
+
+// deepCopy copies elements of v recursively.  All elements of v that may
+// be modified by inheritance are explicitly copied.
+func deepCopy(v reflect.Value) reflect.Value {
+	switch v.Kind() {
+	case reflect.Ptr:
+		if v.IsNil() || v.Elem().Kind() != reflect.Struct {
+			return v
+		}
+		nv := reflect.New(v.Elem().Type())
+		nv.Elem().Set(v.Elem())
+		deepCopyRec(nv.Elem(), v.Elem())
+		return nv
+	case reflect.Slice:
+		nv := reflect.MakeSlice(v.Type(), v.Len(), v.Len())
+		for i := 0; i < v.Len(); i++ {
+			deepCopyRec(nv.Index(i), v.Index(i))
+		}
+		return nv
+	}
+	panic("deepCopy: must be called with pointer or slice")
+}
+
+// deepCopyRec is only called by deepCopy.
+func deepCopyRec(nv, v reflect.Value) {
+	if v.Kind() == reflect.Struct {
+		t := v.Type()
+		for i := 0; i < v.NumField(); i++ {
+			if name, attr := xmlName(t.Field(i)); name != "" && !attr {
+				deepCopyRec(nv.Field(i), v.Field(i))
+			}
+		}
+	} else {
+		nv.Set(deepCopy(v))
+	}
+}
+
+// newNode is used to insert a missing node during inheritance.
+func (cldr *CLDR) newNode(v, enc reflect.Value) reflect.Value {
+	n := reflect.New(v.Type())
+	for i := iter(v); !i.done(); i.next() {
+		if name, attr := xmlName(i.field()); name == "" || attr {
+			n.Elem().FieldByIndex(i.index).Set(i.value())
+		}
+	}
+	n.Interface().(Elem).GetCommon().setEnclosing(enc.Addr().Interface().(Elem))
+	return n
+}
+
+// v, parent must be pointers to struct
+func (cldr *CLDR) inheritFields(v, parent reflect.Value) (res reflect.Value, err error) {
+	t := v.Type()
+	nv := reflect.New(t)
+	nv.Elem().Set(v)
+	for i := iter(v); !i.done(); i.next() {
+		vf := i.value()
+		f := i.field()
+		name, attr := xmlName(f)
+		if name == "" || attr {
+			continue
+		}
+		pf := parent.FieldByIndex(i.index)
+		if blocking[name] {
+			if vf.IsNil() {
+				vf = pf
+			}
+			nv.Elem().FieldByIndex(i.index).Set(deepCopy(vf))
+			continue
+		}
+		switch f.Type.Kind() {
+		case reflect.Ptr:
+			if f.Type.Elem().Kind() == reflect.Struct {
+				if !vf.IsNil() {
+					if vf, err = cldr.inheritStructPtr(vf, pf); err != nil {
+						return reflect.Value{}, err
+					}
+					vf.Interface().(Elem).setEnclosing(nv.Interface().(Elem))
+					nv.Elem().FieldByIndex(i.index).Set(vf)
+				} else if !pf.IsNil() {
+					n := cldr.newNode(pf.Elem(), v)
+					if vf, err = cldr.inheritStructPtr(n, pf); err != nil {
+						return reflect.Value{}, err
+					}
+					vf.Interface().(Elem).setEnclosing(nv.Interface().(Elem))
+					nv.Elem().FieldByIndex(i.index).Set(vf)
+				}
+			}
+		case reflect.Slice:
+			vf, err := cldr.inheritSlice(nv.Elem(), vf, pf)
+			if err != nil {
+				return reflect.Zero(t), err
+			}
+			nv.Elem().FieldByIndex(i.index).Set(vf)
+		}
+	}
+	return nv, nil
+}
+
+func root(e Elem) *LDML {
+	for ; e.enclosing() != nil; e = e.enclosing() {
+	}
+	return e.(*LDML)
+}
+
+// inheritStructPtr first merges possible aliases in with v and then inherits
+// any underspecified elements from parent.
+func (cldr *CLDR) inheritStructPtr(v, parent reflect.Value) (r reflect.Value, err error) {
+	if !v.IsNil() {
+		e := v.Interface().(Elem).GetCommon()
+		alias := e.Alias
+		if alias == nil && !parent.IsNil() {
+			alias = parent.Interface().(Elem).GetCommon().Alias
+		}
+		if alias != nil {
+			a, err := cldr.resolveAlias(v.Interface().(Elem), alias.Source, alias.Path)
+			if a != nil {
+				if v, err = cldr.inheritFields(v.Elem(), reflect.ValueOf(a).Elem()); err != nil {
+					return reflect.Value{}, err
+				}
+			}
+		}
+		if !parent.IsNil() {
+			return cldr.inheritFields(v.Elem(), parent.Elem())
+		}
+	} else if parent.IsNil() {
+		panic("should not reach here")
+	}
+	return v, nil
+}
+
+// Must be slice of struct pointers.
+func (cldr *CLDR) inheritSlice(enc, v, parent reflect.Value) (res reflect.Value, err error) {
+	t := v.Type()
+	index := make(map[string]reflect.Value)
+	if !v.IsNil() {
+		for i := 0; i < v.Len(); i++ {
+			vi := v.Index(i)
+			key := attrKey(vi)
+			index[key] = vi
+		}
+	}
+	if !parent.IsNil() {
+		for i := 0; i < parent.Len(); i++ {
+			vi := parent.Index(i)
+			key := attrKey(vi)
+			if w, ok := index[key]; ok {
+				index[key], err = cldr.inheritStructPtr(w, vi)
+			} else {
+				n := cldr.newNode(vi.Elem(), enc)
+				index[key], err = cldr.inheritStructPtr(n, vi)
+			}
+			index[key].Interface().(Elem).setEnclosing(enc.Addr().Interface().(Elem))
+			if err != nil {
+				return v, err
+			}
+		}
+	}
+	keys := make([]string, 0, len(index))
+	for k, _ := range index {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+	sl := reflect.MakeSlice(t, len(index), len(index))
+	for i, k := range keys {
+		sl.Index(i).Set(index[k])
+	}
+	return sl, nil
+}
+
+func parentLocale(loc string) string {
+	parts := strings.Split(loc, "_")
+	if len(parts) == 1 {
+		return "root"
+	}
+	parts = parts[:len(parts)-1]
+	key := strings.Join(parts, "_")
+	return key
+}
+
+func (cldr *CLDR) resolve(loc string) (res *LDML, err error) {
+	if r := cldr.resolved[loc]; r != nil {
+		return r, nil
+	}
+	x := cldr.RawLDML(loc)
+	if x == nil {
+		return nil, fmt.Errorf("cldr: unknown locale %q", loc)
+	}
+	var v reflect.Value
+	if loc == "root" {
+		x = deepCopy(reflect.ValueOf(x)).Interface().(*LDML)
+		linkEnclosing(nil, x)
+		err = cldr.aliasResolver().visit(x)
+	} else {
+		key := parentLocale(loc)
+		var parent *LDML
+		for ; cldr.locale[key] == nil; key = parentLocale(key) {
+		}
+		if parent, err = cldr.resolve(key); err != nil {
+			return nil, err
+		}
+		v, err = cldr.inheritFields(reflect.ValueOf(x).Elem(), reflect.ValueOf(parent).Elem())
+		x = v.Interface().(*LDML)
+		linkEnclosing(nil, x)
+	}
+	if err != nil {
+		return nil, err
+	}
+	cldr.resolved[loc] = x
+	return x, err
+}
+
+// finalize finalizes the initialization of the raw LDML structs.  It also
+// removed unwanted fields, as specified by filter, so that they will not
+// be unnecessarily evaluated.
+func (cldr *CLDR) finalize(filter []string) {
+	for _, x := range cldr.locale {
+		if filter != nil {
+			v := reflect.ValueOf(x).Elem()
+			t := v.Type()
+			for i := 0; i < v.NumField(); i++ {
+				f := t.Field(i)
+				name, _ := xmlName(f)
+				if name != "" && name != "identity" && !in(filter, name) {
+					v.Field(i).Set(reflect.Zero(f.Type))
+				}
+			}
+		}
+		linkEnclosing(nil, x) // for resolving aliases and paths
+		setNames(x, "ldml")
+	}
+}
diff --git a/vendor/golang.org/x/text/unicode/cldr/slice.go b/vendor/golang.org/x/text/unicode/cldr/slice.go
new file mode 100644
index 0000000..388c983
--- /dev/null
+++ b/vendor/golang.org/x/text/unicode/cldr/slice.go
@@ -0,0 +1,144 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cldr
+
+import (
+	"fmt"
+	"reflect"
+	"sort"
+)
+
+// Slice provides utilities for modifying slices of elements.
+// It can be wrapped around any slice of which the element type implements
+// interface Elem.
+type Slice struct {
+	ptr reflect.Value
+	typ reflect.Type
+}
+
+// Value returns the reflect.Value of the underlying slice.
+func (s *Slice) Value() reflect.Value {
+	return s.ptr.Elem()
+}
+
+// MakeSlice wraps a pointer to a slice of Elems.
+// It replaces the array pointed to by the slice so that subsequent modifications
+// do not alter the data in a CLDR type.
+// It panics if an incorrect type is passed.
+func MakeSlice(slicePtr interface{}) Slice {
+	ptr := reflect.ValueOf(slicePtr)
+	if ptr.Kind() != reflect.Ptr {
+		panic(fmt.Sprintf("MakeSlice: argument must be pointer to slice, found %v", ptr.Type()))
+	}
+	sl := ptr.Elem()
+	if sl.Kind() != reflect.Slice {
+		panic(fmt.Sprintf("MakeSlice: argument must point to a slice, found %v", sl.Type()))
+	}
+	intf := reflect.TypeOf((*Elem)(nil)).Elem()
+	if !sl.Type().Elem().Implements(intf) {
+		panic(fmt.Sprintf("MakeSlice: element type of slice (%v) does not implement Elem", sl.Type().Elem()))
+	}
+	nsl := reflect.MakeSlice(sl.Type(), sl.Len(), sl.Len())
+	reflect.Copy(nsl, sl)
+	sl.Set(nsl)
+	return Slice{
+		ptr: ptr,
+		typ: sl.Type().Elem().Elem(),
+	}
+}
+
+func (s Slice) indexForAttr(a string) []int {
+	for i := iter(reflect.Zero(s.typ)); !i.done(); i.next() {
+		if n, _ := xmlName(i.field()); n == a {
+			return i.index
+		}
+	}
+	panic(fmt.Sprintf("MakeSlice: no attribute %q for type %v", a, s.typ))
+}
+
+// Filter filters s to only include elements for which fn returns true.
+func (s Slice) Filter(fn func(e Elem) bool) {
+	k := 0
+	sl := s.Value()
+	for i := 0; i < sl.Len(); i++ {
+		vi := sl.Index(i)
+		if fn(vi.Interface().(Elem)) {
+			sl.Index(k).Set(vi)
+			k++
+		}
+	}
+	sl.Set(sl.Slice(0, k))
+}
+
+// Group finds elements in s for which fn returns the same value and groups
+// them in a new Slice.
+func (s Slice) Group(fn func(e Elem) string) []Slice {
+	m := make(map[string][]reflect.Value)
+	sl := s.Value()
+	for i := 0; i < sl.Len(); i++ {
+		vi := sl.Index(i)
+		key := fn(vi.Interface().(Elem))
+		m[key] = append(m[key], vi)
+	}
+	keys := []string{}
+	for k, _ := range m {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+	res := []Slice{}
+	for _, k := range keys {
+		nsl := reflect.New(sl.Type())
+		nsl.Elem().Set(reflect.Append(nsl.Elem(), m[k]...))
+		res = append(res, MakeSlice(nsl.Interface()))
+	}
+	return res
+}
+
+// SelectAnyOf filters s to contain only elements for which attr matches
+// any of the values.
+func (s Slice) SelectAnyOf(attr string, values ...string) {
+	index := s.indexForAttr(attr)
+	s.Filter(func(e Elem) bool {
+		vf := reflect.ValueOf(e).Elem().FieldByIndex(index)
+		return in(values, vf.String())
+	})
+}
+
+// SelectOnePerGroup filters s to include at most one element e per group of
+// elements matching Key(attr), where e has an attribute a that matches any
+// the values in v.
+// If more than one element in a group matches a value in v preference
+// is given to the element that matches the first value in v.
+func (s Slice) SelectOnePerGroup(a string, v []string) {
+	index := s.indexForAttr(a)
+	grouped := s.Group(func(e Elem) string { return Key(e, a) })
+	sl := s.Value()
+	sl.Set(sl.Slice(0, 0))
+	for _, g := range grouped {
+		e := reflect.Value{}
+		found := len(v)
+		gsl := g.Value()
+		for i := 0; i < gsl.Len(); i++ {
+			vi := gsl.Index(i).Elem().FieldByIndex(index)
+			j := 0
+			for ; j < len(v) && v[j] != vi.String(); j++ {
+			}
+			if j < found {
+				found = j
+				e = gsl.Index(i)
+			}
+		}
+		if found < len(v) {
+			sl.Set(reflect.Append(sl, e))
+		}
+	}
+}
+
+// SelectDraft drops all elements from the list with a draft level smaller than d
+// and selects the highest draft level of the remaining.
+// This method assumes that the input CLDR is canonicalized.
+func (s Slice) SelectDraft(d Draft) {
+	s.SelectOnePerGroup("draft", drafts[len(drafts)-2-int(d):])
+}
diff --git a/vendor/golang.org/x/text/unicode/cldr/xml.go b/vendor/golang.org/x/text/unicode/cldr/xml.go
new file mode 100644
index 0000000..bbae53b
--- /dev/null
+++ b/vendor/golang.org/x/text/unicode/cldr/xml.go
@@ -0,0 +1,1494 @@
+// Code generated by running "go generate" in golang.org/x/text. DO NOT EDIT.
+
+package cldr
+
+// LDMLBCP47 holds information on allowable values for various variables in LDML.
+type LDMLBCP47 struct {
+	Common
+	Version *struct {
+		Common
+		Number string `xml:"number,attr"`
+	} `xml:"version"`
+	Generation *struct {
+		Common
+		Date string `xml:"date,attr"`
+	} `xml:"generation"`
+	Keyword []*struct {
+		Common
+		Key []*struct {
+			Common
+			Extension   string `xml:"extension,attr"`
+			Name        string `xml:"name,attr"`
+			Description string `xml:"description,attr"`
+			Deprecated  string `xml:"deprecated,attr"`
+			Preferred   string `xml:"preferred,attr"`
+			Alias       string `xml:"alias,attr"`
+			ValueType   string `xml:"valueType,attr"`
+			Since       string `xml:"since,attr"`
+			Type        []*struct {
+				Common
+				Name        string `xml:"name,attr"`
+				Description string `xml:"description,attr"`
+				Deprecated  string `xml:"deprecated,attr"`
+				Preferred   string `xml:"preferred,attr"`
+				Alias       string `xml:"alias,attr"`
+				Since       string `xml:"since,attr"`
+			} `xml:"type"`
+		} `xml:"key"`
+	} `xml:"keyword"`
+	Attribute []*struct {
+		Common
+		Name        string `xml:"name,attr"`
+		Description string `xml:"description,attr"`
+		Deprecated  string `xml:"deprecated,attr"`
+		Preferred   string `xml:"preferred,attr"`
+		Since       string `xml:"since,attr"`
+	} `xml:"attribute"`
+}
+
+// SupplementalData holds information relevant for internationalization
+// and proper use of CLDR, but that is not contained in the locale hierarchy.
+type SupplementalData struct {
+	Common
+	Version *struct {
+		Common
+		Number string `xml:"number,attr"`
+	} `xml:"version"`
+	Generation *struct {
+		Common
+		Date string `xml:"date,attr"`
+	} `xml:"generation"`
+	CurrencyData *struct {
+		Common
+		Fractions []*struct {
+			Common
+			Info []*struct {
+				Common
+				Iso4217      string `xml:"iso4217,attr"`
+				Digits       string `xml:"digits,attr"`
+				Rounding     string `xml:"rounding,attr"`
+				CashDigits   string `xml:"cashDigits,attr"`
+				CashRounding string `xml:"cashRounding,attr"`
+			} `xml:"info"`
+		} `xml:"fractions"`
+		Region []*struct {
+			Common
+			Iso3166  string `xml:"iso3166,attr"`
+			Currency []*struct {
+				Common
+				Before       string `xml:"before,attr"`
+				From         string `xml:"from,attr"`
+				To           string `xml:"to,attr"`
+				Iso4217      string `xml:"iso4217,attr"`
+				Digits       string `xml:"digits,attr"`
+				Rounding     string `xml:"rounding,attr"`
+				CashRounding string `xml:"cashRounding,attr"`
+				Tender       string `xml:"tender,attr"`
+				Alternate    []*struct {
+					Common
+					Iso4217 string `xml:"iso4217,attr"`
+				} `xml:"alternate"`
+			} `xml:"currency"`
+		} `xml:"region"`
+	} `xml:"currencyData"`
+	TerritoryContainment *struct {
+		Common
+		Group []*struct {
+			Common
+			Contains string `xml:"contains,attr"`
+			Grouping string `xml:"grouping,attr"`
+			Status   string `xml:"status,attr"`
+		} `xml:"group"`
+	} `xml:"territoryContainment"`
+	SubdivisionContainment *struct {
+		Common
+		Subgroup []*struct {
+			Common
+			Subtype  string `xml:"subtype,attr"`
+			Contains string `xml:"contains,attr"`
+		} `xml:"subgroup"`
+	} `xml:"subdivisionContainment"`
+	LanguageData *struct {
+		Common
+		Language []*struct {
+			Common
+			Scripts     string `xml:"scripts,attr"`
+			Territories string `xml:"territories,attr"`
+			Variants    string `xml:"variants,attr"`
+		} `xml:"language"`
+	} `xml:"languageData"`
+	TerritoryInfo *struct {
+		Common
+		Territory []*struct {
+			Common
+			Gdp                string `xml:"gdp,attr"`
+			LiteracyPercent    string `xml:"literacyPercent,attr"`
+			Population         string `xml:"population,attr"`
+			LanguagePopulation []*struct {
+				Common
+				LiteracyPercent   string `xml:"literacyPercent,attr"`
+				WritingPercent    string `xml:"writingPercent,attr"`
+				PopulationPercent string `xml:"populationPercent,attr"`
+				OfficialStatus    string `xml:"officialStatus,attr"`
+			} `xml:"languagePopulation"`
+		} `xml:"territory"`
+	} `xml:"territoryInfo"`
+	PostalCodeData *struct {
+		Common
+		PostCodeRegex []*struct {
+			Common
+			TerritoryId string `xml:"territoryId,attr"`
+		} `xml:"postCodeRegex"`
+	} `xml:"postalCodeData"`
+	CalendarData *struct {
+		Common
+		Calendar []*struct {
+			Common
+			Territories    string  `xml:"territories,attr"`
+			CalendarSystem *Common `xml:"calendarSystem"`
+			Eras           *struct {
+				Common
+				Era []*struct {
+					Common
+					Start string `xml:"start,attr"`
+					End   string `xml:"end,attr"`
+				} `xml:"era"`
+			} `xml:"eras"`
+		} `xml:"calendar"`
+	} `xml:"calendarData"`
+	CalendarPreferenceData *struct {
+		Common
+		CalendarPreference []*struct {
+			Common
+			Territories string `xml:"territories,attr"`
+			Ordering    string `xml:"ordering,attr"`
+		} `xml:"calendarPreference"`
+	} `xml:"calendarPreferenceData"`
+	WeekData *struct {
+		Common
+		MinDays []*struct {
+			Common
+			Count       string `xml:"count,attr"`
+			Territories string `xml:"territories,attr"`
+		} `xml:"minDays"`
+		FirstDay []*struct {
+			Common
+			Day         string `xml:"day,attr"`
+			Territories string `xml:"territories,attr"`
+		} `xml:"firstDay"`
+		WeekendStart []*struct {
+			Common
+			Day         string `xml:"day,attr"`
+			Territories string `xml:"territories,attr"`
+		} `xml:"weekendStart"`
+		WeekendEnd []*struct {
+			Common
+			Day         string `xml:"day,attr"`
+			Territories string `xml:"territories,attr"`
+		} `xml:"weekendEnd"`
+		WeekOfPreference []*struct {
+			Common
+			Locales  string `xml:"locales,attr"`
+			Ordering string `xml:"ordering,attr"`
+		} `xml:"weekOfPreference"`
+	} `xml:"weekData"`
+	TimeData *struct {
+		Common
+		Hours []*struct {
+			Common
+			Allowed   string `xml:"allowed,attr"`
+			Preferred string `xml:"preferred,attr"`
+			Regions   string `xml:"regions,attr"`
+		} `xml:"hours"`
+	} `xml:"timeData"`
+	MeasurementData *struct {
+		Common
+		MeasurementSystem []*struct {
+			Common
+			Category    string `xml:"category,attr"`
+			Territories string `xml:"territories,attr"`
+		} `xml:"measurementSystem"`
+		PaperSize []*struct {
+			Common
+			Territories string `xml:"territories,attr"`
+		} `xml:"paperSize"`
+	} `xml:"measurementData"`
+	UnitPreferenceData *struct {
+		Common
+		UnitPreferences []*struct {
+			Common
+			Category       string `xml:"category,attr"`
+			Usage          string `xml:"usage,attr"`
+			Scope          string `xml:"scope,attr"`
+			UnitPreference []*struct {
+				Common
+				Regions string `xml:"regions,attr"`
+			} `xml:"unitPreference"`
+		} `xml:"unitPreferences"`
+	} `xml:"unitPreferenceData"`
+	TimezoneData *struct {
+		Common
+		MapTimezones []*struct {
+			Common
+			OtherVersion string `xml:"otherVersion,attr"`
+			TypeVersion  string `xml:"typeVersion,attr"`
+			MapZone      []*struct {
+				Common
+				Other     string `xml:"other,attr"`
+				Territory string `xml:"territory,attr"`
+			} `xml:"mapZone"`
+		} `xml:"mapTimezones"`
+		ZoneFormatting []*struct {
+			Common
+			Multizone   string `xml:"multizone,attr"`
+			TzidVersion string `xml:"tzidVersion,attr"`
+			ZoneItem    []*struct {
+				Common
+				Territory string `xml:"territory,attr"`
+				Aliases   string `xml:"aliases,attr"`
+			} `xml:"zoneItem"`
+		} `xml:"zoneFormatting"`
+	} `xml:"timezoneData"`
+	Characters *struct {
+		Common
+		CharacterFallback []*struct {
+			Common
+			Character []*struct {
+				Common
+				Value      string    `xml:"value,attr"`
+				Substitute []*Common `xml:"substitute"`
+			} `xml:"character"`
+		} `xml:"character-fallback"`
+	} `xml:"characters"`
+	Transforms *struct {
+		Common
+		Transform []*struct {
+			Common
+			Source        string    `xml:"source,attr"`
+			Target        string    `xml:"target,attr"`
+			Variant       string    `xml:"variant,attr"`
+			Direction     string    `xml:"direction,attr"`
+			Alias         string    `xml:"alias,attr"`
+			BackwardAlias string    `xml:"backwardAlias,attr"`
+			Visibility    string    `xml:"visibility,attr"`
+			Comment       []*Common `xml:"comment"`
+			TRule         []*Common `xml:"tRule"`
+		} `xml:"transform"`
+	} `xml:"transforms"`
+	Metadata *struct {
+		Common
+		AttributeOrder *Common `xml:"attributeOrder"`
+		ElementOrder   *Common `xml:"elementOrder"`
+		SerialElements *Common `xml:"serialElements"`
+		Suppress       *struct {
+			Common
+			Attributes []*struct {
+				Common
+				Element        string `xml:"element,attr"`
+				Attribute      string `xml:"attribute,attr"`
+				AttributeValue string `xml:"attributeValue,attr"`
+			} `xml:"attributes"`
+		} `xml:"suppress"`
+		Validity *struct {
+			Common
+			Variable []*struct {
+				Common
+				Id string `xml:"id,attr"`
+			} `xml:"variable"`
+			AttributeValues []*struct {
+				Common
+				Dtds       string `xml:"dtds,attr"`
+				Elements   string `xml:"elements,attr"`
+				Attributes string `xml:"attributes,attr"`
+				Order      string `xml:"order,attr"`
+			} `xml:"attributeValues"`
+		} `xml:"validity"`
+		Alias *struct {
+			Common
+			LanguageAlias []*struct {
+				Common
+				Replacement string `xml:"replacement,attr"`
+				Reason      string `xml:"reason,attr"`
+			} `xml:"languageAlias"`
+			ScriptAlias []*struct {
+				Common
+				Replacement string `xml:"replacement,attr"`
+				Reason      string `xml:"reason,attr"`
+			} `xml:"scriptAlias"`
+			TerritoryAlias []*struct {
+				Common
+				Replacement string `xml:"replacement,attr"`
+				Reason      string `xml:"reason,attr"`
+			} `xml:"territoryAlias"`
+			SubdivisionAlias []*struct {
+				Common
+				Replacement string `xml:"replacement,attr"`
+				Reason      string `xml:"reason,attr"`
+			} `xml:"subdivisionAlias"`
+			VariantAlias []*struct {
+				Common
+				Replacement string `xml:"replacement,attr"`
+				Reason      string `xml:"reason,attr"`
+			} `xml:"variantAlias"`
+			ZoneAlias []*struct {
+				Common
+				Replacement string `xml:"replacement,attr"`
+				Reason      string `xml:"reason,attr"`
+			} `xml:"zoneAlias"`
+		} `xml:"alias"`
+		Deprecated *struct {
+			Common
+			DeprecatedItems []*struct {
+				Common
+				Elements   string `xml:"elements,attr"`
+				Attributes string `xml:"attributes,attr"`
+				Values     string `xml:"values,attr"`
+			} `xml:"deprecatedItems"`
+		} `xml:"deprecated"`
+		Distinguishing *struct {
+			Common
+			DistinguishingItems []*struct {
+				Common
+				Exclude    string `xml:"exclude,attr"`
+				Elements   string `xml:"elements,attr"`
+				Attributes string `xml:"attributes,attr"`
+			} `xml:"distinguishingItems"`
+		} `xml:"distinguishing"`
+		Blocking *struct {
+			Common
+			BlockingItems []*struct {
+				Common
+				Elements string `xml:"elements,attr"`
+			} `xml:"blockingItems"`
+		} `xml:"blocking"`
+		CoverageAdditions *struct {
+			Common
+			LanguageCoverage []*struct {
+				Common
+				Values string `xml:"values,attr"`
+			} `xml:"languageCoverage"`
+			ScriptCoverage []*struct {
+				Common
+				Values string `xml:"values,attr"`
+			} `xml:"scriptCoverage"`
+			TerritoryCoverage []*struct {
+				Common
+				Values string `xml:"values,attr"`
+			} `xml:"territoryCoverage"`
+			CurrencyCoverage []*struct {
+				Common
+				Values string `xml:"values,attr"`
+			} `xml:"currencyCoverage"`
+			TimezoneCoverage []*struct {
+				Common
+				Values string `xml:"values,attr"`
+			} `xml:"timezoneCoverage"`
+		} `xml:"coverageAdditions"`
+		SkipDefaultLocale *struct {
+			Common
+			Services string `xml:"services,attr"`
+		} `xml:"skipDefaultLocale"`
+		DefaultContent *struct {
+			Common
+			Locales string `xml:"locales,attr"`
+		} `xml:"defaultContent"`
+	} `xml:"metadata"`
+	CodeMappings *struct {
+		Common
+		LanguageCodes []*struct {
+			Common
+			Alpha3 string `xml:"alpha3,attr"`
+		} `xml:"languageCodes"`
+		TerritoryCodes []*struct {
+			Common
+			Numeric  string `xml:"numeric,attr"`
+			Alpha3   string `xml:"alpha3,attr"`
+			Fips10   string `xml:"fips10,attr"`
+			Internet string `xml:"internet,attr"`
+		} `xml:"territoryCodes"`
+		CurrencyCodes []*struct {
+			Common
+			Numeric string `xml:"numeric,attr"`
+		} `xml:"currencyCodes"`
+	} `xml:"codeMappings"`
+	ParentLocales *struct {
+		Common
+		ParentLocale []*struct {
+			Common
+			Parent  string `xml:"parent,attr"`
+			Locales string `xml:"locales,attr"`
+		} `xml:"parentLocale"`
+	} `xml:"parentLocales"`
+	LikelySubtags *struct {
+		Common
+		LikelySubtag []*struct {
+			Common
+			From string `xml:"from,attr"`
+			To   string `xml:"to,attr"`
+		} `xml:"likelySubtag"`
+	} `xml:"likelySubtags"`
+	MetazoneInfo *struct {
+		Common
+		Timezone []*struct {
+			Common
+			UsesMetazone []*struct {
+				Common
+				From  string `xml:"from,attr"`
+				To    string `xml:"to,attr"`
+				Mzone string `xml:"mzone,attr"`
+			} `xml:"usesMetazone"`
+		} `xml:"timezone"`
+	} `xml:"metazoneInfo"`
+	Plurals []*struct {
+		Common
+		PluralRules []*struct {
+			Common
+			Locales    string `xml:"locales,attr"`
+			PluralRule []*struct {
+				Common
+				Count string `xml:"count,attr"`
+			} `xml:"pluralRule"`
+		} `xml:"pluralRules"`
+		PluralRanges []*struct {
+			Common
+			Locales     string `xml:"locales,attr"`
+			PluralRange []*struct {
+				Common
+				Start  string `xml:"start,attr"`
+				End    string `xml:"end,attr"`
+				Result string `xml:"result,attr"`
+			} `xml:"pluralRange"`
+		} `xml:"pluralRanges"`
+	} `xml:"plurals"`
+	TelephoneCodeData *struct {
+		Common
+		CodesByTerritory []*struct {
+			Common
+			Territory            string `xml:"territory,attr"`
+			TelephoneCountryCode []*struct {
+				Common
+				Code string `xml:"code,attr"`
+				From string `xml:"from,attr"`
+				To   string `xml:"to,attr"`
+			} `xml:"telephoneCountryCode"`
+		} `xml:"codesByTerritory"`
+	} `xml:"telephoneCodeData"`
+	NumberingSystems *struct {
+		Common
+		NumberingSystem []*struct {
+			Common
+			Id     string `xml:"id,attr"`
+			Radix  string `xml:"radix,attr"`
+			Digits string `xml:"digits,attr"`
+			Rules  string `xml:"rules,attr"`
+		} `xml:"numberingSystem"`
+	} `xml:"numberingSystems"`
+	Bcp47KeywordMappings *struct {
+		Common
+		MapKeys *struct {
+			Common
+			KeyMap []*struct {
+				Common
+				Bcp47 string `xml:"bcp47,attr"`
+			} `xml:"keyMap"`
+		} `xml:"mapKeys"`
+		MapTypes []*struct {
+			Common
+			TypeMap []*struct {
+				Common
+				Bcp47 string `xml:"bcp47,attr"`
+			} `xml:"typeMap"`
+		} `xml:"mapTypes"`
+	} `xml:"bcp47KeywordMappings"`
+	Gender *struct {
+		Common
+		PersonList []*struct {
+			Common
+			Locales string `xml:"locales,attr"`
+		} `xml:"personList"`
+	} `xml:"gender"`
+	References *struct {
+		Common
+		Reference []*struct {
+			Common
+			Uri string `xml:"uri,attr"`
+		} `xml:"reference"`
+	} `xml:"references"`
+	LanguageMatching *struct {
+		Common
+		LanguageMatches []*struct {
+			Common
+			ParadigmLocales []*struct {
+				Common
+				Locales string `xml:"locales,attr"`
+			} `xml:"paradigmLocales"`
+			MatchVariable []*struct {
+				Common
+				Id    string `xml:"id,attr"`
+				Value string `xml:"value,attr"`
+			} `xml:"matchVariable"`
+			LanguageMatch []*struct {
+				Common
+				Desired   string `xml:"desired,attr"`
+				Supported string `xml:"supported,attr"`
+				Percent   string `xml:"percent,attr"`
+				Distance  string `xml:"distance,attr"`
+				Oneway    string `xml:"oneway,attr"`
+			} `xml:"languageMatch"`
+		} `xml:"languageMatches"`
+	} `xml:"languageMatching"`
+	DayPeriodRuleSet []*struct {
+		Common
+		DayPeriodRules []*struct {
+			Common
+			Locales       string `xml:"locales,attr"`
+			DayPeriodRule []*struct {
+				Common
+				At     string `xml:"at,attr"`
+				After  string `xml:"after,attr"`
+				Before string `xml:"before,attr"`
+				From   string `xml:"from,attr"`
+				To     string `xml:"to,attr"`
+			} `xml:"dayPeriodRule"`
+		} `xml:"dayPeriodRules"`
+	} `xml:"dayPeriodRuleSet"`
+	MetaZones *struct {
+		Common
+		MetazoneInfo *struct {
+			Common
+			Timezone []*struct {
+				Common
+				UsesMetazone []*struct {
+					Common
+					From  string `xml:"from,attr"`
+					To    string `xml:"to,attr"`
+					Mzone string `xml:"mzone,attr"`
+				} `xml:"usesMetazone"`
+			} `xml:"timezone"`
+		} `xml:"metazoneInfo"`
+		MapTimezones *struct {
+			Common
+			OtherVersion string `xml:"otherVersion,attr"`
+			TypeVersion  string `xml:"typeVersion,attr"`
+			MapZone      []*struct {
+				Common
+				Other     string `xml:"other,attr"`
+				Territory string `xml:"territory,attr"`
+			} `xml:"mapZone"`
+		} `xml:"mapTimezones"`
+	} `xml:"metaZones"`
+	PrimaryZones *struct {
+		Common
+		PrimaryZone []*struct {
+			Common
+			Iso3166 string `xml:"iso3166,attr"`
+		} `xml:"primaryZone"`
+	} `xml:"primaryZones"`
+	WindowsZones *struct {
+		Common
+		MapTimezones *struct {
+			Common
+			OtherVersion string `xml:"otherVersion,attr"`
+			TypeVersion  string `xml:"typeVersion,attr"`
+			MapZone      []*struct {
+				Common
+				Other     string `xml:"other,attr"`
+				Territory string `xml:"territory,attr"`
+			} `xml:"mapZone"`
+		} `xml:"mapTimezones"`
+	} `xml:"windowsZones"`
+	CoverageLevels *struct {
+		Common
+		ApprovalRequirements *struct {
+			Common
+			ApprovalRequirement []*struct {
+				Common
+				Votes   string `xml:"votes,attr"`
+				Locales string `xml:"locales,attr"`
+				Paths   string `xml:"paths,attr"`
+			} `xml:"approvalRequirement"`
+		} `xml:"approvalRequirements"`
+		CoverageVariable []*struct {
+			Common
+			Key   string `xml:"key,attr"`
+			Value string `xml:"value,attr"`
+		} `xml:"coverageVariable"`
+		CoverageLevel []*struct {
+			Common
+			InLanguage  string `xml:"inLanguage,attr"`
+			InScript    string `xml:"inScript,attr"`
+			InTerritory string `xml:"inTerritory,attr"`
+			Value       string `xml:"value,attr"`
+			Match       string `xml:"match,attr"`
+		} `xml:"coverageLevel"`
+	} `xml:"coverageLevels"`
+	IdValidity *struct {
+		Common
+		Id []*struct {
+			Common
+			IdStatus string `xml:"idStatus,attr"`
+		} `xml:"id"`
+	} `xml:"idValidity"`
+	RgScope *struct {
+		Common
+		RgPath []*struct {
+			Common
+			Path string `xml:"path,attr"`
+		} `xml:"rgPath"`
+	} `xml:"rgScope"`
+	LanguageGroups *struct {
+		Common
+		LanguageGroup []*struct {
+			Common
+			Parent string `xml:"parent,attr"`
+		} `xml:"languageGroup"`
+	} `xml:"languageGroups"`
+}
+
+// LDML is the top-level type for locale-specific data.
+type LDML struct {
+	Common
+	Version  string `xml:"version,attr"`
+	Identity *struct {
+		Common
+		Version *struct {
+			Common
+			Number string `xml:"number,attr"`
+		} `xml:"version"`
+		Generation *struct {
+			Common
+			Date string `xml:"date,attr"`
+		} `xml:"generation"`
+		Language  *Common `xml:"language"`
+		Script    *Common `xml:"script"`
+		Territory *Common `xml:"territory"`
+		Variant   *Common `xml:"variant"`
+	} `xml:"identity"`
+	LocaleDisplayNames *LocaleDisplayNames `xml:"localeDisplayNames"`
+	Layout             *struct {
+		Common
+		Orientation []*struct {
+			Common
+			Characters     string    `xml:"characters,attr"`
+			Lines          string    `xml:"lines,attr"`
+			CharacterOrder []*Common `xml:"characterOrder"`
+			LineOrder      []*Common `xml:"lineOrder"`
+		} `xml:"orientation"`
+		InList []*struct {
+			Common
+			Casing string `xml:"casing,attr"`
+		} `xml:"inList"`
+		InText []*Common `xml:"inText"`
+	} `xml:"layout"`
+	ContextTransforms *struct {
+		Common
+		ContextTransformUsage []*struct {
+			Common
+			ContextTransform []*Common `xml:"contextTransform"`
+		} `xml:"contextTransformUsage"`
+	} `xml:"contextTransforms"`
+	Characters *struct {
+		Common
+		ExemplarCharacters []*Common `xml:"exemplarCharacters"`
+		Ellipsis           []*Common `xml:"ellipsis"`
+		MoreInformation    []*Common `xml:"moreInformation"`
+		Stopwords          []*struct {
+			Common
+			StopwordList []*Common `xml:"stopwordList"`
+		} `xml:"stopwords"`
+		IndexLabels []*struct {
+			Common
+			IndexSeparator           []*Common `xml:"indexSeparator"`
+			CompressedIndexSeparator []*Common `xml:"compressedIndexSeparator"`
+			IndexRangePattern        []*Common `xml:"indexRangePattern"`
+			IndexLabelBefore         []*Common `xml:"indexLabelBefore"`
+			IndexLabelAfter          []*Common `xml:"indexLabelAfter"`
+			IndexLabel               []*struct {
+				Common
+				IndexSource string `xml:"indexSource,attr"`
+				Priority    string `xml:"priority,attr"`
+			} `xml:"indexLabel"`
+		} `xml:"indexLabels"`
+		Mapping []*struct {
+			Common
+			Registry string `xml:"registry,attr"`
+		} `xml:"mapping"`
+		ParseLenients []*struct {
+			Common
+			Scope        string `xml:"scope,attr"`
+			Level        string `xml:"level,attr"`
+			ParseLenient []*struct {
+				Common
+				Sample string `xml:"sample,attr"`
+			} `xml:"parseLenient"`
+		} `xml:"parseLenients"`
+	} `xml:"characters"`
+	Delimiters *struct {
+		Common
+		QuotationStart          []*Common `xml:"quotationStart"`
+		QuotationEnd            []*Common `xml:"quotationEnd"`
+		AlternateQuotationStart []*Common `xml:"alternateQuotationStart"`
+		AlternateQuotationEnd   []*Common `xml:"alternateQuotationEnd"`
+	} `xml:"delimiters"`
+	Measurement *struct {
+		Common
+		MeasurementSystem []*Common `xml:"measurementSystem"`
+		PaperSize         []*struct {
+			Common
+			Height []*Common `xml:"height"`
+			Width  []*Common `xml:"width"`
+		} `xml:"paperSize"`
+	} `xml:"measurement"`
+	Dates *struct {
+		Common
+		LocalizedPatternChars []*Common `xml:"localizedPatternChars"`
+		DateRangePattern      []*Common `xml:"dateRangePattern"`
+		Calendars             *struct {
+			Common
+			Calendar []*Calendar `xml:"calendar"`
+		} `xml:"calendars"`
+		Fields *struct {
+			Common
+			Field []*struct {
+				Common
+				DisplayName []*struct {
+					Common
+					Count string `xml:"count,attr"`
+				} `xml:"displayName"`
+				Relative     []*Common `xml:"relative"`
+				RelativeTime []*struct {
+					Common
+					RelativeTimePattern []*struct {
+						Common
+						Count string `xml:"count,attr"`
+					} `xml:"relativeTimePattern"`
+				} `xml:"relativeTime"`
+				RelativePeriod []*Common `xml:"relativePeriod"`
+			} `xml:"field"`
+		} `xml:"fields"`
+		TimeZoneNames *TimeZoneNames `xml:"timeZoneNames"`
+	} `xml:"dates"`
+	Numbers *Numbers `xml:"numbers"`
+	Units   *struct {
+		Common
+		Unit []*struct {
+			Common
+			DisplayName []*struct {
+				Common
+				Count string `xml:"count,attr"`
+			} `xml:"displayName"`
+			UnitPattern []*struct {
+				Common
+				Count string `xml:"count,attr"`
+			} `xml:"unitPattern"`
+			PerUnitPattern []*Common `xml:"perUnitPattern"`
+		} `xml:"unit"`
+		UnitLength []*struct {
+			Common
+			CompoundUnit []*struct {
+				Common
+				CompoundUnitPattern []*Common `xml:"compoundUnitPattern"`
+			} `xml:"compoundUnit"`
+			Unit []*struct {
+				Common
+				DisplayName []*struct {
+					Common
+					Count string `xml:"count,attr"`
+				} `xml:"displayName"`
+				UnitPattern []*struct {
+					Common
+					Count string `xml:"count,attr"`
+				} `xml:"unitPattern"`
+				PerUnitPattern []*Common `xml:"perUnitPattern"`
+			} `xml:"unit"`
+			CoordinateUnit []*struct {
+				Common
+				CoordinateUnitPattern []*Common `xml:"coordinateUnitPattern"`
+			} `xml:"coordinateUnit"`
+		} `xml:"unitLength"`
+		DurationUnit []*struct {
+			Common
+			DurationUnitPattern []*Common `xml:"durationUnitPattern"`
+		} `xml:"durationUnit"`
+	} `xml:"units"`
+	ListPatterns *struct {
+		Common
+		ListPattern []*struct {
+			Common
+			ListPatternPart []*Common `xml:"listPatternPart"`
+		} `xml:"listPattern"`
+	} `xml:"listPatterns"`
+	Collations *struct {
+		Common
+		Version          string       `xml:"version,attr"`
+		DefaultCollation *Common      `xml:"defaultCollation"`
+		Collation        []*Collation `xml:"collation"`
+	} `xml:"collations"`
+	Posix *struct {
+		Common
+		Messages []*struct {
+			Common
+			Yesstr  []*Common `xml:"yesstr"`
+			Nostr   []*Common `xml:"nostr"`
+			Yesexpr []*Common `xml:"yesexpr"`
+			Noexpr  []*Common `xml:"noexpr"`
+		} `xml:"messages"`
+	} `xml:"posix"`
+	CharacterLabels *struct {
+		Common
+		CharacterLabelPattern []*struct {
+			Common
+			Count string `xml:"count,attr"`
+		} `xml:"characterLabelPattern"`
+		CharacterLabel []*Common `xml:"characterLabel"`
+	} `xml:"characterLabels"`
+	Segmentations *struct {
+		Common
+		Segmentation []*struct {
+			Common
+			Variables *struct {
+				Common
+				Variable []*struct {
+					Common
+					Id string `xml:"id,attr"`
+				} `xml:"variable"`
+			} `xml:"variables"`
+			SegmentRules *struct {
+				Common
+				Rule []*struct {
+					Common
+					Id string `xml:"id,attr"`
+				} `xml:"rule"`
+			} `xml:"segmentRules"`
+			Exceptions *struct {
+				Common
+				Exception []*Common `xml:"exception"`
+			} `xml:"exceptions"`
+			Suppressions *struct {
+				Common
+				Suppression []*Common `xml:"suppression"`
+			} `xml:"suppressions"`
+		} `xml:"segmentation"`
+	} `xml:"segmentations"`
+	Rbnf *struct {
+		Common
+		RulesetGrouping []*struct {
+			Common
+			Ruleset []*struct {
+				Common
+				Access        string `xml:"access,attr"`
+				AllowsParsing string `xml:"allowsParsing,attr"`
+				Rbnfrule      []*struct {
+					Common
+					Value  string `xml:"value,attr"`
+					Radix  string `xml:"radix,attr"`
+					Decexp string `xml:"decexp,attr"`
+				} `xml:"rbnfrule"`
+			} `xml:"ruleset"`
+		} `xml:"rulesetGrouping"`
+	} `xml:"rbnf"`
+	Annotations *struct {
+		Common
+		Annotation []*struct {
+			Common
+			Cp  string `xml:"cp,attr"`
+			Tts string `xml:"tts,attr"`
+		} `xml:"annotation"`
+	} `xml:"annotations"`
+	Metadata *struct {
+		Common
+		CasingData *struct {
+			Common
+			CasingItem []*struct {
+				Common
+				Override   string `xml:"override,attr"`
+				ForceError string `xml:"forceError,attr"`
+			} `xml:"casingItem"`
+		} `xml:"casingData"`
+	} `xml:"metadata"`
+	References *struct {
+		Common
+		Reference []*struct {
+			Common
+			Uri string `xml:"uri,attr"`
+		} `xml:"reference"`
+	} `xml:"references"`
+}
+
+// Collation contains rules that specify a certain sort-order,
+// as a tailoring of the root order.
+// The parsed rules are obtained by passing a RuleProcessor to Collation's
+// Process method.
+type Collation struct {
+	Common
+	Visibility string  `xml:"visibility,attr"`
+	Base       *Common `xml:"base"`
+	Import     []*struct {
+		Common
+		Source string `xml:"source,attr"`
+	} `xml:"import"`
+	Settings *struct {
+		Common
+		Strength           string `xml:"strength,attr"`
+		Alternate          string `xml:"alternate,attr"`
+		Backwards          string `xml:"backwards,attr"`
+		Normalization      string `xml:"normalization,attr"`
+		CaseLevel          string `xml:"caseLevel,attr"`
+		CaseFirst          string `xml:"caseFirst,attr"`
+		HiraganaQuaternary string `xml:"hiraganaQuaternary,attr"`
+		MaxVariable        string `xml:"maxVariable,attr"`
+		Numeric            string `xml:"numeric,attr"`
+		Private            string `xml:"private,attr"`
+		VariableTop        string `xml:"variableTop,attr"`
+		Reorder            string `xml:"reorder,attr"`
+	} `xml:"settings"`
+	SuppressContractions *Common   `xml:"suppress_contractions"`
+	Optimize             *Common   `xml:"optimize"`
+	Cr                   []*Common `xml:"cr"`
+	rulesElem
+}
+
+// Calendar specifies the fields used for formatting and parsing dates and times.
+// The month and quarter names are identified numerically, starting at 1.
+// The day (of the week) names are identified with short strings, since there is
+// no universally-accepted numeric designation.
+type Calendar struct {
+	Common
+	Months *struct {
+		Common
+		MonthContext []*struct {
+			Common
+			MonthWidth []*struct {
+				Common
+				Month []*struct {
+					Common
+					Yeartype string `xml:"yeartype,attr"`
+				} `xml:"month"`
+			} `xml:"monthWidth"`
+		} `xml:"monthContext"`
+	} `xml:"months"`
+	MonthNames *struct {
+		Common
+		Month []*struct {
+			Common
+			Yeartype string `xml:"yeartype,attr"`
+		} `xml:"month"`
+	} `xml:"monthNames"`
+	MonthAbbr *struct {
+		Common
+		Month []*struct {
+			Common
+			Yeartype string `xml:"yeartype,attr"`
+		} `xml:"month"`
+	} `xml:"monthAbbr"`
+	MonthPatterns *struct {
+		Common
+		MonthPatternContext []*struct {
+			Common
+			MonthPatternWidth []*struct {
+				Common
+				MonthPattern []*Common `xml:"monthPattern"`
+			} `xml:"monthPatternWidth"`
+		} `xml:"monthPatternContext"`
+	} `xml:"monthPatterns"`
+	Days *struct {
+		Common
+		DayContext []*struct {
+			Common
+			DayWidth []*struct {
+				Common
+				Day []*Common `xml:"day"`
+			} `xml:"dayWidth"`
+		} `xml:"dayContext"`
+	} `xml:"days"`
+	DayNames *struct {
+		Common
+		Day []*Common `xml:"day"`
+	} `xml:"dayNames"`
+	DayAbbr *struct {
+		Common
+		Day []*Common `xml:"day"`
+	} `xml:"dayAbbr"`
+	Quarters *struct {
+		Common
+		QuarterContext []*struct {
+			Common
+			QuarterWidth []*struct {
+				Common
+				Quarter []*Common `xml:"quarter"`
+			} `xml:"quarterWidth"`
+		} `xml:"quarterContext"`
+	} `xml:"quarters"`
+	Week *struct {
+		Common
+		MinDays []*struct {
+			Common
+			Count string `xml:"count,attr"`
+		} `xml:"minDays"`
+		FirstDay []*struct {
+			Common
+			Day string `xml:"day,attr"`
+		} `xml:"firstDay"`
+		WeekendStart []*struct {
+			Common
+			Day  string `xml:"day,attr"`
+			Time string `xml:"time,attr"`
+		} `xml:"weekendStart"`
+		WeekendEnd []*struct {
+			Common
+			Day  string `xml:"day,attr"`
+			Time string `xml:"time,attr"`
+		} `xml:"weekendEnd"`
+	} `xml:"week"`
+	Am         []*Common `xml:"am"`
+	Pm         []*Common `xml:"pm"`
+	DayPeriods *struct {
+		Common
+		DayPeriodContext []*struct {
+			Common
+			DayPeriodWidth []*struct {
+				Common
+				DayPeriod []*Common `xml:"dayPeriod"`
+			} `xml:"dayPeriodWidth"`
+		} `xml:"dayPeriodContext"`
+	} `xml:"dayPeriods"`
+	Eras *struct {
+		Common
+		EraNames *struct {
+			Common
+			Era []*Common `xml:"era"`
+		} `xml:"eraNames"`
+		EraAbbr *struct {
+			Common
+			Era []*Common `xml:"era"`
+		} `xml:"eraAbbr"`
+		EraNarrow *struct {
+			Common
+			Era []*Common `xml:"era"`
+		} `xml:"eraNarrow"`
+	} `xml:"eras"`
+	CyclicNameSets *struct {
+		Common
+		CyclicNameSet []*struct {
+			Common
+			CyclicNameContext []*struct {
+				Common
+				CyclicNameWidth []*struct {
+					Common
+					CyclicName []*Common `xml:"cyclicName"`
+				} `xml:"cyclicNameWidth"`
+			} `xml:"cyclicNameContext"`
+		} `xml:"cyclicNameSet"`
+	} `xml:"cyclicNameSets"`
+	DateFormats *struct {
+		Common
+		DateFormatLength []*struct {
+			Common
+			DateFormat []*struct {
+				Common
+				Pattern []*struct {
+					Common
+					Numbers string `xml:"numbers,attr"`
+					Count   string `xml:"count,attr"`
+				} `xml:"pattern"`
+				DisplayName []*struct {
+					Common
+					Count string `xml:"count,attr"`
+				} `xml:"displayName"`
+			} `xml:"dateFormat"`
+		} `xml:"dateFormatLength"`
+	} `xml:"dateFormats"`
+	TimeFormats *struct {
+		Common
+		TimeFormatLength []*struct {
+			Common
+			TimeFormat []*struct {
+				Common
+				Pattern []*struct {
+					Common
+					Numbers string `xml:"numbers,attr"`
+					Count   string `xml:"count,attr"`
+				} `xml:"pattern"`
+				DisplayName []*struct {
+					Common
+					Count string `xml:"count,attr"`
+				} `xml:"displayName"`
+			} `xml:"timeFormat"`
+		} `xml:"timeFormatLength"`
+	} `xml:"timeFormats"`
+	DateTimeFormats *struct {
+		Common
+		DateTimeFormatLength []*struct {
+			Common
+			DateTimeFormat []*struct {
+				Common
+				Pattern []*struct {
+					Common
+					Numbers string `xml:"numbers,attr"`
+					Count   string `xml:"count,attr"`
+				} `xml:"pattern"`
+				DisplayName []*struct {
+					Common
+					Count string `xml:"count,attr"`
+				} `xml:"displayName"`
+			} `xml:"dateTimeFormat"`
+		} `xml:"dateTimeFormatLength"`
+		AvailableFormats []*struct {
+			Common
+			DateFormatItem []*struct {
+				Common
+				Id    string `xml:"id,attr"`
+				Count string `xml:"count,attr"`
+			} `xml:"dateFormatItem"`
+		} `xml:"availableFormats"`
+		AppendItems []*struct {
+			Common
+			AppendItem []*struct {
+				Common
+				Request string `xml:"request,attr"`
+			} `xml:"appendItem"`
+		} `xml:"appendItems"`
+		IntervalFormats []*struct {
+			Common
+			IntervalFormatFallback []*Common `xml:"intervalFormatFallback"`
+			IntervalFormatItem     []*struct {
+				Common
+				Id                 string `xml:"id,attr"`
+				GreatestDifference []*struct {
+					Common
+					Id string `xml:"id,attr"`
+				} `xml:"greatestDifference"`
+			} `xml:"intervalFormatItem"`
+		} `xml:"intervalFormats"`
+	} `xml:"dateTimeFormats"`
+	Fields []*struct {
+		Common
+		Field []*struct {
+			Common
+			DisplayName []*struct {
+				Common
+				Count string `xml:"count,attr"`
+			} `xml:"displayName"`
+			Relative     []*Common `xml:"relative"`
+			RelativeTime []*struct {
+				Common
+				RelativeTimePattern []*struct {
+					Common
+					Count string `xml:"count,attr"`
+				} `xml:"relativeTimePattern"`
+			} `xml:"relativeTime"`
+			RelativePeriod []*Common `xml:"relativePeriod"`
+		} `xml:"field"`
+	} `xml:"fields"`
+}
+type TimeZoneNames struct {
+	Common
+	HourFormat           []*Common `xml:"hourFormat"`
+	HoursFormat          []*Common `xml:"hoursFormat"`
+	GmtFormat            []*Common `xml:"gmtFormat"`
+	GmtZeroFormat        []*Common `xml:"gmtZeroFormat"`
+	RegionFormat         []*Common `xml:"regionFormat"`
+	FallbackFormat       []*Common `xml:"fallbackFormat"`
+	FallbackRegionFormat []*Common `xml:"fallbackRegionFormat"`
+	AbbreviationFallback []*Common `xml:"abbreviationFallback"`
+	PreferenceOrdering   []*Common `xml:"preferenceOrdering"`
+	SingleCountries      []*struct {
+		Common
+		List string `xml:"list,attr"`
+	} `xml:"singleCountries"`
+	Zone []*struct {
+		Common
+		Long []*struct {
+			Common
+			Generic  []*Common `xml:"generic"`
+			Standard []*Common `xml:"standard"`
+			Daylight []*Common `xml:"daylight"`
+		} `xml:"long"`
+		Short []*struct {
+			Common
+			Generic  []*Common `xml:"generic"`
+			Standard []*Common `xml:"standard"`
+			Daylight []*Common `xml:"daylight"`
+		} `xml:"short"`
+		CommonlyUsed []*struct {
+			Common
+			Used string `xml:"used,attr"`
+		} `xml:"commonlyUsed"`
+		ExemplarCity []*Common `xml:"exemplarCity"`
+	} `xml:"zone"`
+	Metazone []*struct {
+		Common
+		Long []*struct {
+			Common
+			Generic  []*Common `xml:"generic"`
+			Standard []*Common `xml:"standard"`
+			Daylight []*Common `xml:"daylight"`
+		} `xml:"long"`
+		Short []*struct {
+			Common
+			Generic  []*Common `xml:"generic"`
+			Standard []*Common `xml:"standard"`
+			Daylight []*Common `xml:"daylight"`
+		} `xml:"short"`
+		CommonlyUsed []*struct {
+			Common
+			Used string `xml:"used,attr"`
+		} `xml:"commonlyUsed"`
+	} `xml:"metazone"`
+}
+
+// LocaleDisplayNames specifies localized display names for scripts, languages,
+// countries, currencies, and variants.
+type LocaleDisplayNames struct {
+	Common
+	LocaleDisplayPattern *struct {
+		Common
+		LocalePattern        []*Common `xml:"localePattern"`
+		LocaleSeparator      []*Common `xml:"localeSeparator"`
+		LocaleKeyTypePattern []*Common `xml:"localeKeyTypePattern"`
+	} `xml:"localeDisplayPattern"`
+	Languages *struct {
+		Common
+		Language []*Common `xml:"language"`
+	} `xml:"languages"`
+	Scripts *struct {
+		Common
+		Script []*Common `xml:"script"`
+	} `xml:"scripts"`
+	Territories *struct {
+		Common
+		Territory []*Common `xml:"territory"`
+	} `xml:"territories"`
+	Subdivisions *struct {
+		Common
+		Subdivision []*Common `xml:"subdivision"`
+	} `xml:"subdivisions"`
+	Variants *struct {
+		Common
+		Variant []*Common `xml:"variant"`
+	} `xml:"variants"`
+	Keys *struct {
+		Common
+		Key []*Common `xml:"key"`
+	} `xml:"keys"`
+	Types *struct {
+		Common
+		Type []*struct {
+			Common
+			Key string `xml:"key,attr"`
+		} `xml:"type"`
+	} `xml:"types"`
+	TransformNames *struct {
+		Common
+		TransformName []*Common `xml:"transformName"`
+	} `xml:"transformNames"`
+	MeasurementSystemNames *struct {
+		Common
+		MeasurementSystemName []*Common `xml:"measurementSystemName"`
+	} `xml:"measurementSystemNames"`
+	CodePatterns *struct {
+		Common
+		CodePattern []*Common `xml:"codePattern"`
+	} `xml:"codePatterns"`
+}
+
+// Numbers supplies information for formatting and parsing numbers and currencies.
+type Numbers struct {
+	Common
+	DefaultNumberingSystem []*Common `xml:"defaultNumberingSystem"`
+	OtherNumberingSystems  []*struct {
+		Common
+		Native      []*Common `xml:"native"`
+		Traditional []*Common `xml:"traditional"`
+		Finance     []*Common `xml:"finance"`
+	} `xml:"otherNumberingSystems"`
+	MinimumGroupingDigits []*Common `xml:"minimumGroupingDigits"`
+	Symbols               []*struct {
+		Common
+		NumberSystem string `xml:"numberSystem,attr"`
+		Decimal      []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"decimal"`
+		Group []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"group"`
+		List []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"list"`
+		PercentSign []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"percentSign"`
+		NativeZeroDigit []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"nativeZeroDigit"`
+		PatternDigit []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"patternDigit"`
+		PlusSign []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"plusSign"`
+		MinusSign []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"minusSign"`
+		Exponential []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"exponential"`
+		SuperscriptingExponent []*Common `xml:"superscriptingExponent"`
+		PerMille               []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"perMille"`
+		Infinity []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"infinity"`
+		Nan []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"nan"`
+		CurrencyDecimal []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"currencyDecimal"`
+		CurrencyGroup []*struct {
+			Common
+			NumberSystem string `xml:"numberSystem,attr"`
+		} `xml:"currencyGroup"`
+		TimeSeparator []*Common `xml:"timeSeparator"`
+	} `xml:"symbols"`
+	DecimalFormats []*struct {
+		Common
+		NumberSystem        string `xml:"numberSystem,attr"`
+		DecimalFormatLength []*struct {
+			Common
+			DecimalFormat []*struct {
+				Common
+				Pattern []*struct {
+					Common
+					Numbers string `xml:"numbers,attr"`
+					Count   string `xml:"count,attr"`
+				} `xml:"pattern"`
+			} `xml:"decimalFormat"`
+		} `xml:"decimalFormatLength"`
+	} `xml:"decimalFormats"`
+	ScientificFormats []*struct {
+		Common
+		NumberSystem           string `xml:"numberSystem,attr"`
+		ScientificFormatLength []*struct {
+			Common
+			ScientificFormat []*struct {
+				Common
+				Pattern []*struct {
+					Common
+					Numbers string `xml:"numbers,attr"`
+					Count   string `xml:"count,attr"`
+				} `xml:"pattern"`
+			} `xml:"scientificFormat"`
+		} `xml:"scientificFormatLength"`
+	} `xml:"scientificFormats"`
+	PercentFormats []*struct {
+		Common
+		NumberSystem        string `xml:"numberSystem,attr"`
+		PercentFormatLength []*struct {
+			Common
+			PercentFormat []*struct {
+				Common
+				Pattern []*struct {
+					Common
+					Numbers string `xml:"numbers,attr"`
+					Count   string `xml:"count,attr"`
+				} `xml:"pattern"`
+			} `xml:"percentFormat"`
+		} `xml:"percentFormatLength"`
+	} `xml:"percentFormats"`
+	CurrencyFormats []*struct {
+		Common
+		NumberSystem    string `xml:"numberSystem,attr"`
+		CurrencySpacing []*struct {
+			Common
+			BeforeCurrency []*struct {
+				Common
+				CurrencyMatch    []*Common `xml:"currencyMatch"`
+				SurroundingMatch []*Common `xml:"surroundingMatch"`
+				InsertBetween    []*Common `xml:"insertBetween"`
+			} `xml:"beforeCurrency"`
+			AfterCurrency []*struct {
+				Common
+				CurrencyMatch    []*Common `xml:"currencyMatch"`
+				SurroundingMatch []*Common `xml:"surroundingMatch"`
+				InsertBetween    []*Common `xml:"insertBetween"`
+			} `xml:"afterCurrency"`
+		} `xml:"currencySpacing"`
+		CurrencyFormatLength []*struct {
+			Common
+			CurrencyFormat []*struct {
+				Common
+				Pattern []*struct {
+					Common
+					Numbers string `xml:"numbers,attr"`
+					Count   string `xml:"count,attr"`
+				} `xml:"pattern"`
+			} `xml:"currencyFormat"`
+		} `xml:"currencyFormatLength"`
+		UnitPattern []*struct {
+			Common
+			Count string `xml:"count,attr"`
+		} `xml:"unitPattern"`
+	} `xml:"currencyFormats"`
+	Currencies *struct {
+		Common
+		Currency []*struct {
+			Common
+			Pattern []*struct {
+				Common
+				Numbers string `xml:"numbers,attr"`
+				Count   string `xml:"count,attr"`
+			} `xml:"pattern"`
+			DisplayName []*struct {
+				Common
+				Count string `xml:"count,attr"`
+			} `xml:"displayName"`
+			Symbol  []*Common `xml:"symbol"`
+			Decimal []*struct {
+				Common
+				NumberSystem string `xml:"numberSystem,attr"`
+			} `xml:"decimal"`
+			Group []*struct {
+				Common
+				NumberSystem string `xml:"numberSystem,attr"`
+			} `xml:"group"`
+		} `xml:"currency"`
+	} `xml:"currencies"`
+	MiscPatterns []*struct {
+		Common
+		NumberSystem string `xml:"numberSystem,attr"`
+		Pattern      []*struct {
+			Common
+			Numbers string `xml:"numbers,attr"`
+			Count   string `xml:"count,attr"`
+		} `xml:"pattern"`
+	} `xml:"miscPatterns"`
+	MinimalPairs []*struct {
+		Common
+		PluralMinimalPairs []*struct {
+			Common
+			Count string `xml:"count,attr"`
+		} `xml:"pluralMinimalPairs"`
+		OrdinalMinimalPairs []*struct {
+			Common
+			Ordinal string `xml:"ordinal,attr"`
+		} `xml:"ordinalMinimalPairs"`
+	} `xml:"minimalPairs"`
+}
+
+// Version is the version of CLDR from which the XML definitions are generated.
+const Version = "32"