;; If the window is hard-dedicated, we have a problem because
;; we just can't do what we're asked. But signaling an error,
;; like `switch-to-buffer' would do, is not an option because
;; If the window is hard-dedicated, we have a problem because
;; we just can't do what we're asked. But signaling an error,
;; like `switch-to-buffer' would do, is not an option because