"Add initial text to the destination buffer."
(with-current-buffer (get-buffer-create excorporate-org-buffer-name)
(setq buffer-read-only t)
- (setq buffer-file-name excorporate-org-buffer-name)
- (org-mode)
+ ;; Some Org mode configurations need `buffer-file-name' to be
+ ;; non-nil, or they'll make `org-mode' error out, for example
+ ;; `org-startup-with-latex-preview'. Set `buffer-file-name' to
+ ;; something non-nil temporarily during initialization. Don't
+ ;; leave it set or `save-some-buffers' will always prompt about
+ ;; *Excorporate*.
+ (let ((buffer-file-name excorporate-org-buffer-name))
+ (org-mode))
(use-local-map (copy-keymap org-mode-map))
(local-set-key "q" 'quit-window)
(display-buffer (current-buffer))