Some posts (questions or answers) have a `last_edit_date` but no `last_editor`.  Does this *always* mean that the post was last edited by the post `owner`?

Example: [stackapps.com/a/3891/][1]

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PS: This issue came up on [pull-request 101 of the *stack-mode* project][2].


  [1]: https://stackapps.com/a/3891/11299
  [2]: https://github.com/vermiculus/stack-mode/pull/101