[PATCH 0/1] MR320: riched20/tests: Test for ITextDocument::Undo and ITextDocument::Redo.

[Jinoh Kang (＠iamahuman)]

Signed-off-by: Jinoh Kang <jinoh.kang.kr(a)gmail.com>

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https://gitlab.winehq.org/wine/wine/-/merge_requests/320