When someone makes an edit and immediately reverts it, rolling back his edit gives the usual success message, but actually does nothing: it doesn't show up in the page history (which is probably good) and also does not return the page to sighted status (if it was sighted before the edits). It should either do that or give an error message that makes it obvious that the page has to be sighted manually.
Version: unspecified
Severity: trivial