This was the Github Pages compatible repository that generated the contents at https://rdiff-backup.net/. It is now only published to https://rdiff-backup.github.io/rdiff-backup.net/ for purely historical reasons.
This repository is now archived, and its former content has been merged into our https://github.com/rdiff-backup/rdiff-backup/tree/master/docs[main docs site], where you are always more than welcome to contribute!