yi-0.10.1: src/tests/vimtests/undo/8.test
-- Input (1,1) foo bar baz -- Output (2,11) foo bar 123 456 baz -- Events jlA 123<Esc>A 456<Esc>uu<C-r><C-r>
-- Input (1,1) foo bar baz -- Output (2,11) foo bar 123 456 baz -- Events jlA 123<Esc>A 456<Esc>uu<C-r><C-r>