Those are fields used by the language switcher to correlate pages across
different languages, even if they have different names/paths/titles.
They are generated with the prepare_for_translation.py script.
- mark all code blocks with ```
- unify empty lines between sections
- adjust list syntax (no space before dash)
- adjust headers to use Atx-style syntax
- remove trailing spaces
Make clear that Dom0 backup only applies to /home/ and give an example of how you might try to backup system files. Also point out that any packages can/must be reinstalled on a fresh system.