Steps to reproduce: - Highlight 2 characters by dragging the mouse. - Type 1 character, to replace the 2 selected characters - Type ctrl-Z to Undo The two deleted characters are restored, but the 1 typed characters also stays instead of being deleted.
Thanks msamek, but someone already report this. Please feel free to reopen this issue if you have another problem here. *** This bug has been marked as a duplicate of bug 40165 ***