if !sameGroup {
			return
		}
	}
	if c == Exact && have.maxScript == maxScript {
		// If there is another language and then another entry of this language,
		// don't pin anything, otherwise pin the language.
		m.pinLanguage = pin
	}
	if equalsRest(have.tag, tag) {
	} else if have.maxScript != maxScript {

			}
		}
		return t
	}
	if t.LangID != 0 {
		if t.RegionID != 0 {
			maxScript := t.ScriptID
			if maxScript == 0 {
				max, _ := addTags(t)
				maxScript = max.ScriptID
			}

			for i := range parents {
				if Language(parents[i].lang) == t.LangID && Script(parents[i].maxScript) == maxScript {
					for _, r := range parents[i].fromRegion {
						if Region(r) == t.RegionID {
							return Tag{