if (optionEl.getAttribute("data-lang") === languageId) {
          optionEl.classList.add("selected");
        } else {
          optionEl.classList.remove("selected");
        }
      });

    [].slice
      .call(document.querySelectorAll(".multi-language-text"))
      .forEach(function (el) {
        if (!el.classList.contains("lang-" + languageId)) {
          el.classList.add("hidden");
        } else {

        when:
        dsl {
            apply plugin: pluginClass
        }

        then:
        def transform = realize("languageTransforms").find { it.languageName == languageId }

        transform != null
        transform.sourceSetType == languageSourceSet
    }

func nextToken(s string) (t, tail string) {
	p := strings.Index(s[1:], "-")
	if p == -1 {
		return s[1:], ""
	}
	p++
	return s[1:p], s[p:]
}

// LanguageID returns an index, where 0 <= index < NumCompactTags, for tags
// for which data exists in the text repository.The index will change over time
// and should not be stored in persistent storage. If t does not match a compact

// index, exact will be false and the compact index will be returned for the
// first match after repeatedly taking the Parent of t.
func CompactIndex(t Tag) (index int, exact bool) {
	id, exact := compact.LanguageID(compact.Tag(t))
	return int(id), exact
}

var root = language.Tag{}

// Base is an ISO 639 language code, used for encoding the base language
// of a language tag.
type Base struct {