[Bug 53289] New: Unimplemented richedit ITextDocument::Undo and ITextDocument::Redo causes extraneous undo entries

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=53289

Bug ID: 53289
           Summary: Unimplemented richedit ITextDocument::Undo and
                    ITextDocument::Redo causes extraneous undo entries
           Product: Wine
           Version: 7.11
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: richedit
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

riched20 does not implement ITextDocument::Undo and ITextDocument::Redo
methods, preventing apps from suppressing undo recording.

Affected applications:

- KakaoTalk chatbox undo does not work well when features that programmatically
edit Rich Edit control contents are used.