{# page_source_suffix is only set for pages with source files (not for generated pages like indices) #}
{% if theme_edit_page_label and theme_edit_page_url and page_source_suffix %}
  {%- set filename = pagename + page_source_suffix -%}
  <a
    href="{{ theme_edit_page_url | replace('$FILENAME$', filename) }}"
    rel="nofollow"
    class="edit-page-source"
    >{{ theme_edit_page_label }}</a
  >
{% endif %}