(make-autoload): Add support for define-derived-mode. Update the

doc-string accordingly.

1 files changed, 10 insertions, 6 deletions

diff --git a/lisp/emacs-lisp/autoload.el b/lisp/emacs-lisp/autoload.el
index 95a510d1351..d597c087f37 100644
--- a/lisp/emacs-lisp/autoload.el
+++ b/lisp/emacs-lisp/autoload.el
@@ -61,23 +61,25 @@ that text will be copied verbatim to `generated-autoload-file'.")
 
 (defun make-autoload (form file)
   "Turn FORM into an autoload or defvar for source file FILE.
-Returns nil if FORM is not a defun, define-skeleton, defmacro or defcustom."
+Returns nil if FORM is not a defun, define-skeleton, define-derived-mode, 
+defmacro or defcustom."
   (let ((car (car-safe form)))
-    (if (memq car '(defun define-skeleton defmacro))
+    (if (memq car '(defun define-skeleton defmacro define-derived-mode))
         (let ((macrop (eq car 'defmacro))
               name doc)
           (setq form (cdr form)
                 name (car form)
                 ;; Ignore the arguments.
-                form (cdr (if (eq car 'define-skeleton)
-                              form
-                            (cdr form)))
+                form (cdr (cond 
+                           ((eq car 'define-skeleton) form)
+                           ((eq car 'define-derived-mode) (cdr (cdr form)))
+                           (t (cdr form))))
                 doc (car form))
           (if (stringp doc)
               (setq form (cdr form))
             (setq doc nil))
           (list 'autoload (list 'quote name) file doc
-                (or (eq car 'define-skeleton)
+                (or (eq car 'define-skeleton) (eq car 'define-derived-mode)
                     (eq (car-safe (car form)) 'interactive))
                 (if macrop (list 'quote 'macro) nil)))
       ;; Convert defcustom to a simpler (and less space-consuming) defvar,
@@ -123,6 +125,8 @@ Returns nil if FORM is not a defun, define-skeleton, defmacro or defcustom."
 (put 'defcustom 'doc-string-elt 3)
 (put 'defconst 'doc-string-elt 3)
 (put 'defmacro 'doc-string-elt 3)
+(put 'define-derived-mode 'doc-string-elt 4)
+
 
 (defun autoload-trim-file-name (file)
   ;; Returns a relative pathname of FILE