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@@ -664,7 +664,8 @@ not logged; declined files are.
- `krino log` lists recent runs: id, time, directories, counts, and
`(undone)` once undo has reversed every reversible step of a run, or
- `(partly undone)` while some are not (declined, refused or failed).
+ `(partly undone)` while some are not (declined, refused or failed). A file
+ whose chain ends in a permanent delete is never undoable and not counted.
- `krino undo` reverses the most recent run, in every directory it
touched. An older run is undone by naming it: `krino undo RUN`. Undo runs
cannot themselves be undone: naming one is refused.