Re: New keybinding suggestion: C-x _ for `shrink-window'

[Richard Stallman]

    ;; Function by Hirose Yuuji and Bob Wiener
    (defun resize-window (&optional arg)
      "Resize window interactively."
      ...
              (cond ((= c ?h) (enlarge-window arg))
                    ((= c ?s) (shrink-window arg))
                    ((= c ?w) (enlarge-window-horizontally arg))
                    ((= c ?n) (shrink-window-horizontally arg))
                    ((= c ?\^G) (keyboard-quit))
                    ((= c ?q) (throw 'done t))
                    ((and (> c ?0) (<= c ?9)) (setq arg (- c ?0))))))))
      (message "Done."))

That seems basically good, but using other characters
such as arrow keys would be an improvement.
/ and \ could be good for vertical size changes
and [,] for horizontal; they don't need a shift key.