List group item heading link is dead

Created by: vanillajonathan

https://getbootstrap.com/docs/4.0/components/list-group/

In the side menu to the right you can see three anchor links named "List group item heading" under "Custom content", none of these works.

Dead anchor links: https://getbootstrap.com/docs/4.0/components/list-group/#list-group-item-heading https://getbootstrap.com/docs/4.0/components/list-group/#list-group-item-heading-1 https://getbootstrap.com/docs/4.0/components/list-group/#list-group-item-heading-2