-public-inbox will never store unregeneratable data in Xapian
-or any other search database we might use; Xapian corruption
-will not destroy critical data.
+public-inbox-* commands will never store unregeneratable data in
+Xapian nor any other search database we might use; Xapian
+corruption will not destroy critical data. Note: `lei' DOES store
+unregeneratable data in Xapian and SQLite.