public function oppositeLanguages()
    {
        $cfg = $this->app()->config();
        $locales = $this->locales();
        $languages = $locales['languages'];

        $opposite = [];
        $orig = $this->origLanguage();

        foreach ($languages as $ident => $opts) {
            if ($ident != $orig) {
                $opposite[] = $ident;
            }
        }
        return $opposite;
    }