bug#23757: 25.0.95; uncomment region changed?

[jpff <jpff@codemist.co.uk>]

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I used to use C-U C-C C-C to uncomment a region of C but now is says
wrong number of arguments.  Have I missed a change?



In GNU Emacs 25.0.95.2 (x86_64-suse-linux-gnu, GTK+ Version 2.24.28)
 of 2016-06-12 built on birtwistle
Repository revision: 4b2d77d8dbd5b051bb681bacaee4a6faffbbdde9
Windowing system distributor 'The X.Org Foundation', version 11.0.11601000
System Description:	openSUSE 13.2 (Harlequin) (x86_64)

Configured features:
XPM JPEG TIFF GIF PNG SOUND GSETTINGS NOTIFY LIBXML2 FREETYPE XFT ZLIB
TOOLKIT_SCROLL_BARS GTK2 X11

Important settings:
  value of $LANG: en_GB.UTF-8
  value of $XMODIFIERS: @im=local
  locale-coding-system: utf-8-unix

Major mode: C/l

Minor modes in effect:
  diff-auto-refine-mode: t
  auto-image-file-mode: t
  show-paren-mode: t
  display-time-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t

Recent messages:
Wrote /home/jpff/csound6/pre.orc
Undo! [2 times]
Auto-saving...
Mark saved where search started
Mark set
comment-region-default: Wrong number of arguments: #[nil "À`Á Â#‡" [comment-region mark (t)] 4 ("/home/jpff/GNU/local-lisp/csound-orc.elc" . 46466) nil], 2
Quit
C-z is undefined
comment-region-default: Wrong number of arguments: #[nil "À`Á Â#‡" [comment-region mark (t)] 4 ("/home/jpff/GNU/local-lisp/csound-orc.elc" . 46466) nil], 2 [3 times]
Making completion list...

Load-path shadows:
None found.

Features:
(shadow flyspell mailalias mailcrypt mail-extr comint ansi-color ring
emacsbug message format-spec rfc822 mml mml-sec password-cache epg
epg-config gnus-util mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util help-fns mail-prsvr mail-utils tmm debug ispell nxml-uchnm
rng-xsd xsd-regexp rng-cmpct rng-nxml rng-valid rng-loc rng-uri
rng-parse nxml-parse rng-match rng-dt rng-util rng-pttrn nxml-ns
nxml-mode nxml-outln nxml-rap nxml-util nxml-glyph nxml-enc xmltok
misearch multi-isearch cl-extra help-mode imenu cc-mode cc-fonts
cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs
cl-loaddefs pcase cl-lib vc-git diff-mode easy-mmode csound-orc-mode
tempo dired cal-julian delsel cus-start cus-load image-file crypt
crypt++ crypt+pgp-pub paren view cal-china cal-bahai cal-islam
cal-hebrew lunar solar cal-dst appt diary-lib diary-loaddefs holidays
hol-loaddefs cal-menu easymenu calendar cal-loaddefs time time-date
mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks
lisp-float-type mwheel x-win term/common-win x-dnd tool-bar dnd
fontset image regexp-opt fringe tabulated-list newcomment elisp-mode
lisp-mode prog-mode register page menu-bar rfn-eshadow timer select
scroll-bar mouse jit-lock font-lock syntax facemenu font-core frame
cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai
tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian
slovak czech european ethiopic indian cyrillic chinese charscript
case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote inotify
dynamic-setting system-font-setting font-render-setting move-toolbar
gtk x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 16 222052 14515)
 (symbols 48 28321 0)
 (miscs 40 1944 621)
 (strings 32 44636 13489)
 (string-bytes 1 1343414)
 (vectors 16 30244)
 (vector-slots 8 1370430 174968)
 (floats 8 740 718)
 (intervals 56 4144 0)
 (buffers 976 29)
 (heap 1024 37870 2755))

==John ffitch