* progmodes/cperl-mode.el (cperl-mode-unload-function): New function.

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 4b3852bc3d50b7d12f6fb5a34edc68c8792e5e09..a7343b2d1b4c6bcc115c57388f73fda98813aca0 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,7 @@
 2010-05-07  Juanma Barranquero  <lekktu@gmail.com>
 
+       * progmodes/cperl-mode.el (cperl-mode-unload-function): New function.
+
        Fix use of `filter-buffer-substring' (4th arg NOPROPS removed).
        * emulation/cua-base.el (cua-repeat-replace-region):
        * emulation/cua-gmrk.el (cua-copy-region-to-global-mark)

diff --git a/lisp/progmodes/cperl-mode.el b/lisp/progmodes/cperl-mode.el
index 2f751f2a0dc2f3c5f72f04eb2ad2a4e5d9cc77c1..d69cce76faa86f0a6a35785ce62a02d8d89e269d 100644 (file)
--- a/lisp/progmodes/cperl-mode.el
+++ b/lisp/progmodes/cperl-mode.el
@@ -8980,6 +8980,18 @@ do extra unwind via `cperl-unwind-to-safe'."
     (substring v (match-beginning 1) (match-end 1)))
   "Version of IZ-supported CPerl package this file is based on.")
 
+(defun cperl-mode-unload-function ()
+  "Unload the Cperl mode library."
+  (let ((new-mode (if (eq (symbol-function 'perl-mode) 'cperl-mode)
+                     'fundamental-mode
+                   'perl-mode)))
+    (dolist (buf (buffer-list))
+      (with-current-buffer buf
+       (when (eq major-mode 'cperl-mode)
+         (funcall new-mode)))))
+  ;; continue standard unloading
+  nil)
+
 (provide 'cperl-mode)
 
 ;; arch-tag: 42e5b19b-e187-4537-929f-1a7408980ce6