[Differential] [Updated] D4628: Add ability to disable saving in `KTextEditor::Document`

[Anthony Fieroni]

anthonyfieroni added reviewers: KTextEditor, cullmann, dhaumann.

REVISION DETAIL
  https://phabricator.kde.org/D4628

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To: russellg, #ktexteditor, cullmann, dhaumann
Cc: kwrite-devel, #frameworks