[Bug 53170] New: Rich edit control becomes unstable or trips assertion after changing TextFont properties

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=53170

Bug ID: 53170
           Summary: Rich edit control becomes unstable or trips assertion
                    after changing TextFont properties
           Product: Wine
           Version: 7.10
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: richedit
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail]
      Distribution: ---

The set_textfont_prop function does not properly wrap marked paragraphs and
commit undo buffer, leading to inconsistent state.

Affected applications:

- KakaoTalk Emotion Plus (paid subscription) autosuggest feature may cause
random crashes once triggered.