// CLDR as well as bibliographic codes defined in ISO-639.
	Legacy
	// Map the dominant language of a macro language group to the macro language
	// subtag. For example cmn -> zh.
	Macro
	// The CLDR flag should be used if full compatibility with CLDR is required.
	// There are a few cases where language.Tag may differ from CLDR. To follow all
	// of CLDR's suggestions, use All|CLDR.
	CLDR

		return isTitle(c)
	}
	if !c.next() || c.src[c.pSrc] == 'j' {
		return false
	}
	if c.src[c.pSrc] != 'J' {
		c.unreadRune()
	}
	return true
}

// Not part of CLDR, but see https://unicode.org/cldr/trac/ticket/7078.
func afnlRewrite(c *context) {
	if c.hasPrefix("'") || c.hasPrefix("’") {
		c.isMidWord = true
	}

	if t.full != nil {
		return t.full.IsRoot()
	}
	return t.language == _und
}

// Parent returns the CLDR parent of t. In CLDR, missing fields in data for a
// specific language are substituted with fields from the parent language.
// The parent for a language may change for newer versions of CLDR.
func (t Tag) Parent() Tag {
	if t.full != nil {
		return Make(t.full.Parent())
	}
	if t.language != t.locale {

// license that can be found in the LICENSE file.

package internal

// This file contains matchers that implement CLDR inheritance.
//
//     See https://unicode.org/reports/tr35/#Locale_Inheritance.
//
// Some of the inheritance described in this document is already handled by
// the cldr package.

import (
	"golang.org/x/text/language"
)

// components.
func (t Tag) HasString() bool {
	return t.str != ""
}

// Parent returns the CLDR parent of t. In CLDR, missing fields in data for a
// specific language are substituted with fields from the parent language.
// The parent for a language may change for newer versions of CLDR.
func (t Tag) Parent() Tag {
	if t.str != "" {
		// Strip the variants and extensions.
		b, s, r := t.Raw()

// license that can be found in the LICENSE file.

// Package compact defines a compact representation of language tags.
//
// Common language tags (at least all for which locale information is defined
// in CLDR) are assigned a unique index. Each Tag is associated with such an
// ID for selecting language-related resources (such as translations) as well
// as one for selecting regional defaults (currency, number formatting, etc.)
//

		}
	}
	return abbr1, abbr1
}

type zone struct {
	WinName  string
	UnixName string
	StTime   string
	DSTime   string
}

const wzURL = "https://raw.githubusercontent.com/unicode-org/cldr/main/common/supplemental/windowsZones.xml"

type MapZone struct {
	Other     string `xml:"other,attr"`
	Territory string `xml:"territory,attr"`
	Type      string `xml:"type,attr"`
}

type SupplementalData struct {

// normRegion returns a region if r is deprecated or 0 otherwise.
// TODO: consider supporting BYS (-> BLR), CSK (-> 200 or CZ), PHI (-> PHL) and AFI (-> DJ).
// TODO: consider mapping split up regions to new most populous one (like CLDR).
func normRegion(r Region) Region {
	m := regionOldMap
	k := sort.Search(len(m), func(i int) bool {
		return m[i].From >= uint16(r)
	})
	if k < len(m) && m[k].From == uint16(r) {
		return Region(m[k].To)

// the confidence scores more accurate and allows matchers to distinguish
// between variants that are otherwise lost.
//
// As a consequence, two tags that should be treated as identical according to
// BCP 47 or CLDR, like "en-Latn" and "en", will be represented differently. The
// Matcher handles such distinctions, though, and is aware of the
// equivalence relations. The CanonType type can be used to alter the
// canonicalization form.
//

//     en-AU vs en-US, for example.
// [5] In CLDR a locale inherits fields that are unspecified for this locale
//     from its parent. Therefore, if a locale is a parent of another locale,
//     it is a strong measure for closeness, especially when no other tie
//     breaker rule applies. One could also argue it is inconsistent, for
//     example, when pt-AO matches pt (which CLDR equates with pt-BR), even