Merge branch 'stable' of ssh://vcs.fsf.org/libreplanet-static into stable

diff --cc 2021/fun/index.html
index d8c7962a541ad2116f3dd36c1cc416be111b0388,aa81e52480c234634b86dd924983d7990776c69a..57b7a5bccc117110864f83c732917f6bb79971b4
--- 1/2021/fun/index.html
--- 2/2021/fun/index.html
+++ b/2021/fun/index.html
@@@ -18,12 -18,11 +18,12 @@@ Content
  </h2>
  </div>
  <div class="panel-body">
- <p><a href="#Lightning Talks">Lightning Talks</a></p>
+ <p><a href="#lightning-talks">Lightning Talks</a></p>
  <p><a href="#BoF">Birds of a Feather Social Events</a></p>
- <p><a href="#Member Meeting">Member meeting</a></p>
- <p><a href="#jobboard">Job board</a></p>
+ <p><a href="#member-meeting">Member meeting</a></p>
+ <p><a href="#job-board">Job board</a></p>
  <p><a href="#trivia">LibrePlanet trivia</a></p>
 +<p><a href="#minetest">Minetest</a></p>
  </div>
  </div>