yi-keymap-vim-0.13.7: tests/vimtests/blockvisual/y_11.test
-- Input (2,2) abcdef abcdef abcdef abcdef -- Output (2,2) abcdef a bcdef a bcdef a bcdef -- Events <C-v>jj>
-- Input (2,2) abcdef abcdef abcdef abcdef -- Output (2,2) abcdef a bcdef a bcdef a bcdef -- Events <C-v>jj>