(apply (car item) (cdr item))

      (error (message "%s" err)))

    (wg-awhen (get-buffer "*Help*")

      (set-buffer it)

      (wg-when-boundp (help-xref-stack help-xref-forward-stack)

        (setq help-xref-stack stack

              help-xref-forward-stack forward-stack))

      (current-buffer))))

(defun wg-serialize-help-buffer (buffer)

  "Serialize a help buffer.

Since `help-mode' is used by many buffers that aren't actually

*Help* buffers (e.g. *Process List*), we also check that

`help-xref-stack-item' has a local binding."

  (with-current-buffer buffer

    (when (and (eq major-mode 'help-mode)

               (local-variable-p 'help-xref-stack-item)

               (boundp 'help-xref-stack-item)

               (boundp 'help-xref-stack)

               (boundp 'help-xref-forward-stack))

      (list 'wg-deserialize-help-buffer

            (wg-take-until-unreadable help-xref-stack-item)

            (mapcar 'wg-take-until-unreadable help-xref-stack)

            (mapcar 'wg-take-until-unreadable help-xref-forward-stack)))))

;; ielm buffer serdes

(defun wg-deserialize-ielm-buffer (buf)

  "Deserialize an `inferior-emacs-lisp-mode' buffer."

  (ielm)

  (current-buffer))

(defun wg-serialize-ielm-buffer (buffer)

  "Serialize an `inferior-emacs-lisp-mode' buffer."

  (with-current-buffer buffer

    (when (eq major-mode 'inferior-emacs-lisp-mode)

      (list 'wg-deserialize-ielm-buffer))))

;; Magit buffers

(defun wg-deserialize-magit-buffer (buf)

  ""

  (require 'magit)

  (if (boundp 'magit-status-mode-map)

      (wg-dbind (this-function dir) (wg-buf-special-data buf)

        (let ((default-directory (car dir)))

          (current-buffer)

          ))))

(defun wg-serialize-magit-buffer (buffer)

  ""

  (if (boundp 'magit-status-mode-map)

      (with-current-buffer buffer

        (when (eq major-mode 'magit-status-mode)

          (list 'wg-deserialize-magit-buffer

                (wg-take-until-unreadable (list (or (buffer-file-name) default-directory)))

                )))))

;; shell buffer serdes

(defun wg-deserialize-shell-buffer (buf)

  "Deserialize a `shell-mode' buffer.

Run shell with last working dir"

  (wg-dbind (this-function dir) (wg-buf-special-data buf)

    (let ((default-directory (car dir)))

      (shell (wg-buf-name buf))

      (current-buffer)

      )))

(defun wg-serialize-shell-buffer (buffer)

  "Serialize a `shell-mode' buffer.

Save shell directory"

  (with-current-buffer buffer

    (when (eq major-mode 'shell-mode)

      (list 'wg-deserialize-shell-buffer

            (wg-take-until-unreadable (list (or (buffer-file-name) default-directory)))

            ))))

;; org-agenda buffer serdes

(defun wg-get-org-agenda-view-commands ()

  "Get commands by which the current state of Agenda buffer can

be restored using \"(eval commands)\"."

  (interactive)

  (if (get-buffer org-agenda-buffer-name)

      (with-current-buffer org-agenda-buffer-name

        (let* ((p (or (and (looking-at "\\'") (1- (point))) (point)))

               (series-redo-cmd (get-text-property p 'org-series-redo-cmd)))

          (if series-redo-cmd

              (get-text-property p 'org-series-redo-cmd)

            (get-text-property p 'org-redo-cmd))))))