Undo issue after Replace

[daddel80]

Undo is jumping back twice after changes via Search window. The animation describes it best. I think you put the SCI_BEGINUNDOACTION right before opening the Search Window but not directly before the Replace Actions:

[daddel80]

I did some additional tests and it played out that's all fine with your Plugin. It was a misbehavior of N++. A new restart fixed the problem.