* autoconf.el (autoconf-mode): Fix comment-start-skip regexp.

Fixes: debbugs:10033

lisp/ChangeLog

+2011-11-16  Chong Yidong  <cyd@gnu.org>
+
+	* progmodes/autoconf.el (autoconf-mode): Fix comment-start-skip
+	regexp (Bug#10033).
+
 2011-11-16  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* tmm.el (tmm-prompt): Use minibuffer-with-setup-hook (bug#10053).

lisp/emacs-lisp/eieio.el

@@ -3051,7 +3051,7 @@ Optional argument GROUP is the sub-group of slots to display.
 
 ;;;### (autoloads (eieio-help-mode-augmentation-maybee eieio-describe-generic
 ;;;;;;  eieio-describe-constructor eieio-describe-class eieio-browse)
-;;;;;;  "eieio-opt" "eieio-opt.el" "1bed0a56310f402683419139ebc18d7f")
+;;;;;;  "eieio-opt" "eieio-opt.el" "4fb6625c3a007438aab4e8e77b6c73c2")
 ;;; Generated autoloads from eieio-opt.el
 
 (autoload 'eieio-browse "eieio-opt" "\

lisp/mail/rmail.el

@@ -4494,27 +4494,29 @@ With prefix argument N moves forward N messages with these labels.
 
 ;;;***
 
-;;;### (autoloads (rmail-mime) "rmailmm" "rmailmm.el" "a79f498959deded8fa9d88a7dca93bc0")
+;;;### (autoloads (rmail-mime) "rmailmm" "rmailmm.el" "6296f0170a37670c49a88a1b92d78187")
 ;;; Generated autoloads from rmailmm.el
 
 (autoload 'rmail-mime "rmailmm" "\
-Toggle displaying of a MIME message.
+Toggle the display of a MIME message.
 
 The actual behavior depends on the value of `rmail-enable-mime'.
 
-If `rmail-enable-mime' is non-nil (default), this command changes the
-display of a MIME message between decoded presentation form and raw data.
-
-With ARG, toggle the display of the current MIME entity only.
-
-If `rmail-enable-mime' is nil, this creates a temporary
-\"*RMAIL*\" buffer holding a decoded copy of the message.  Inline
-content-types are handled according to
-`rmail-mime-media-type-handlers-alist'.  By default, this
-displays text and multipart messages, and offers to download
-attachments as specified by `rmail-mime-attachment-dirs-alist'.
-
-\(fn &optional ARG)" t nil)
+If `rmail-enable-mime' is non-nil (the default), this command toggles
+the display of a MIME message between decoded presentation form and
+raw data.  With optional prefix argument ARG, it toggles the display only
+of the MIME entity at point, if there is one.  The optional argument
+STATE forces a particular display state, rather than toggling.
+`raw' forces raw mode, any other non-nil value forces decoded mode.
+
+If `rmail-enable-mime' is nil, this creates a temporary \"*RMAIL*\"
+buffer holding a decoded copy of the message. Inline content-types are
+handled according to `rmail-mime-media-type-handlers-alist'.
+By default, this displays text and multipart messages, and offers to
+download attachments as specified by `rmail-mime-attachment-dirs-alist'.
+The arguments ARG and STATE have no effect in this case.
+
+\(fn &optional ARG STATE)" t nil)
 
 ;;;***
 

lisp/progmodes/autoconf.el

@@ -83,7 +83,8 @@ searching backwards at another AC_... command."
   (set (make-local-variable 'defun-prompt-regexp)
        "^[ \t]*A[CM]_\\(\\sw\\|\\s_\\)+")
   (set (make-local-variable 'comment-start) "dnl ")
-  (set (make-local-variable 'comment-start-skip) "\\(?:\\<dnl\\|#\\) +")
+  (set (make-local-variable 'comment-start-skip)
+       "\\(?:\\(\\W\\|\\`\\)dnl\\|#\\) +")
   (set (make-local-variable 'syntax-propertize-function)
        (syntax-propertize-rules ("\\<dnl\\>" (0 "<"))))
   (set (make-local-variable 'font-lock-defaults)