{% set pet_language_links = ENGINEERING_THEME_LANGUAGE_LINKS | default((), true) | selectattr('label') | selectattr('url') | list %}
{% for item in pet_language_links %}
  <a
    class="pet-language-link"
    href="{{ item.url | e }}"
    {% if item.lang | default('') %}hreflang="{{ item.lang | e }}"{% endif %}
  >{{ item.label | e }}</a>
{% endfor %}