Variable: desktop-buffer-mode-handlers

Alist of major mode specific functions to restore a desktop buffer.
Functions listed are called by `desktop-create-buffer' when `desktop-read'
evaluates the desktop file. List elements must have the form

(MAJOR-MODE . RESTORE-BUFFER-FUNCTION).

Buffers with a major mode not specified here, are restored by the default
handler `desktop-restore-file-buffer'.

Handlers are called with argument list

(DESKTOP-BUFFER-FILE-NAME DESKTOP-BUFFER-NAME DESKTOP-BUFFER-MISC)

Furthermore, they may use the following variables:

desktop-file-version
desktop-buffer-major-mode
desktop-buffer-minor-modes
desktop-buffer-point
desktop-buffer-mark
desktop-buffer-read-only
desktop-buffer-locals

If a handler returns a buffer, then the saved mode settings
and variable values for that buffer are copied into it.

Modules that define a major mode that needs a special handler should contain
code like

(defun foo-restore-desktop-buffer
...
(add-to-list 'desktop-buffer-mode-handlers '(foo-mode . foo-restore-desktop-buffer)) Furthermore the major mode function must be autoloaded.