From a document management perspective, the revision history of a manual cannot be modified or deleted after publication.
For the same reason, the "Approver" and "Updated by" fields display the "Display Name" of the user at the time of approval and update.
These names will not be replaced with "Deleted User" or similar text.
These names will not be replaced with "Deleted User" or similar text.
Related: Request for a manual approval (Web Browser)
https://teachme.jp/8/manuals/5845462