data-l10n-id="languages-customize-movedown"
        />
        <button
          id="remove"
          class="action-button"
          disabled="true"
          data-l10n-id="languages-customize-remove"
        />
      </vbox>

      <menulist
        id="availableLocales"
        class="available-locales-list"
        data-l10n-id="browser-languages-select-language"
        data-l10n-attrs="placeholder,label"
      >
        <menupopup />
      </menulist>
      <button
        id="add"
        class="add-browser-language action-button"
        data-l10n-id="languages-customize-add"
        disabled="true"
      />
    </box>
    <hbox
      id="warning-message"
      class="message-bar message-bar-warning"
      hidden="true"
    >
      <html:img class="message-bar-icon" />
      <description
        class="message-bar-description"
        data-l10n-id="browser-languages-error"
      />
    </hbox>
  </dialog>
</window>
PK