Huste, Tobias authored Sep 17, 2020 and Erxleben, Fredo committed Sep 17, 2020

The underlying issue got fixed as described in https://github.com/gettalong/kramdown/issues/651

FWC Bot authored Sep 11, 2020 and Hueser, Christian (FWCC) - 138593 committed Sep 15, 2020

Bumps [html-proofer](https://github.com/gjtorikian/html-proofer) from 3.15.3 to 3.16.0.
- [Release notes](https://github.com/gjtorikian/html-proofer/releases)
- [Commits](https://github.com/gjtorikian/html-proofer/compare/v3.15.3...v3.16.0)

FWC Bot authored Sep 08, 2020 and Huste, Tobias committed Sep 10, 2020

Bumps [rouge](https://github.com/rouge-ruby/rouge) from 3.22.0 to 3.23.0.
- [Release notes](https://github.com/rouge-ruby/rouge/releases)
- [Changelog](https://github.com/rouge-ruby/rouge/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rouge-ruby/rouge/compare/v3.22.0...v3.23.0)

Also add a redirect to the post to ensure that old links still work

* The event is booked out and there is no waiting list.

Hueser, Christian (FWCC) - 138593 authored Aug 27, 2020 and Erxleben, Fredo committed Aug 27, 2020

* There are new use cases for the event registration information given
in the front matter of a event page:
  * Registration link is given but no registration period.
  * Waiting list link is given but no registration period.
* Fixed a bug in a conditional statement that prevented the event
registration badges to be displayed in the event data header.
* TODO: Refine appearance of event registration badges now that they are
displayed.

Bumps [rouge](https://github.com/rouge-ruby/rouge) from 3.21.0 to 3.22.0.
- [Release notes](https://github.com/rouge-ruby/rouge/releases)
- [Changelog](https://github.com/rouge-ruby/rouge/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rouge-ruby/rouge/compare/v3.21.0...v3.22.0)