drupal-mathallo/web_main/themes/custom/mathallo/templates/footnote-link.html.twig

{% apply footnotes_spaceless %}
  {# footnotes/footnote-link.html.twig #}
  <span class="footnote__citation js-footnote-citation" id="{{ fn.ref_id }}" data-content="{{ fn.text }}">
    {{ fn.value|render|trim }}
    {# <aside class="footnote-content">{{ fn.text }}</aside> #}
  </span>
{% endapply %}