As a vim user, I very much lament the fact that there's no good way to run an interactive shell or REPL in vim. The screen hack, Conque, the vim-shell patch, et

As a vim user, I very much lament the fact that there's no good way to run an interactive shell or REPL in vim. The screen hack, Conque, the vim-shell patch, etc., don't match Emacs' REPL functionality.