Add some (currently failing) tests to do with 'o' and 'O' and undo - undo should completely undo all changes made by the 'o' or 'O', including creation of the new line.
Add some (currently failing) tests to do with 'o' and 'O' and undo - undo should completely undo all changes made by the 'o' or 'O', including creation of the new line.

hlamer/kate,sandsmark/kate,jfmcarreira/kate,hlamer/kate,DickJ/kate,hlamer/kate,jfmcarreira/kate,hlamer/kate,DickJ/kate,cmacq2/kate,hlamer/kate,hlamer/kate,hlamer/kate,sandsmark/kate,sandsmark/kate,hlamer/kate,hlamer/kate,DickJ/kate,sandsmark/kate,cmacq2/kate,jfmcarreira/kate,cmacq2/kate,DickJ/kate,hlamer/kate