Users might want to add more URLs for which the anchors are ignored, so add a custom variable for this.
We should ignore GitHub globally, since those anchors are handled in a way the linkchecker can't deal with, so this will be an issue for all doc sets.
Users might want to add more URLs for which the anchors are ignored, so add a custom variable for this. We should ignore GitHub globally, since those anchors are handled in a way the linkchecker can't deal with, so this will be an issue for all doc sets.