External links

1. In _config.yml check that nav_external_links is not set, then build the site.

2. Check that no external links are shown in the navigation panel.

3. In _config.yml add the following:

   nav_external_links:
     - title: This site on GitHub
       url: https://github.com/just-the-docs/just-the-docs-tests
       # hide_icon: true
   

   Then rebuild the site.

4. Check that an external link appears once, with an icon, after the links to the ordinary pages, and before the collections.

5. In _config.yml uncomment the hide_icon line, then rebuild the site.

6. Check that the icon does not appear.

7. In _config.yml uncomment in defaults:

   -
     scope: {path: ""}
     values: {nav_exclude: true}
   

   Then rebuild the site.

8. Check that the external link still appears.

9. In _config.yml replace collections: by collections_hide:, and just_the_docs: by just_the_docs_hide:, then rebuild the site.

10. Check that the external link still appears.

11. In _config.yml revert the above changes.