It sounds exactly like all the various attempts people have made over the years to make a vim-alike textarea editor in javascript. They always forget block sel

It sounds exactly like all the various attempts people have made over the years to make a vim-alike textarea editor in javascript. They always forget block select mode, or don't implement bookmarks quite right, or something, which ends up in frustration if you're used to using your editor of choice as more than a Notepad.exe-alike.