The undo_all_links function should only be used right after using the add_all_links function.
If you inspect the code and the link generation seem to have messed up the course format.
This should not happen, but everything can happen in a beta version. Needs more testing.
undo_all_links(backup_ext = "_back_no_links", course_yml = "course.yml")The extension to the name of the backup files. Default is "_back_no_links".
The name of the course yaml file. Default is "course.yml".