GNU bug report logs - #14887
24.2; enriched-mode, message "Text is read only" on buffer save

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: andrea.rossetti <at> gmail.com
To: bug-gnu-emacs <at> gnu.org
Subject: 24.2; enriched-mode, message "Text is read only" on buffer save
Date: Wed, 17 Jul 2013 01:14:41 +0200

================= how to replicate =================
- start up Emacs
- M-x enriched-mode
- write some text like "hello dear friends!" in buffer
- select the word "dear" with the mouse
- make "dear" read-only using Edit/Text properties/
  /Special prop./Read only
- C-x C-s to save file as test1.txt (save operation
  will be successful)
- write additional text " thanks!" after "friends!"
- C-x C-s to save again; this time file saving will
  not succeed, and you will see the message "Text file
  is read only"
====================================================

  May someone please confirm if he/she can replicate
this somewhat weird behaviour. I think it may be some
small error in enriched-mode, but I'm rather new to
Emacs and may have missed something. 

  My kindest regards,

       Andrea Rossetti
http://github.com/thesoftwarebin





In GNU Emacs 24.2.1 (i386-mingw-nt6.1.7600)
 of 2012-08-29 on MARVIN
Windowing system distributor `Microsoft Corp.', version 6.1.7600
Configured using:
 `configure --with-gcc (4.6) --cflags
 -ID:/devel/emacs/libs/libXpm-3.5.8/include
 -ID:/devel/emacs/libs/libXpm-3.5.8/src
 -ID:/devel/emacs/libs/libpng-dev_1.4.3-1/include
 -ID:/devel/emacs/libs/zlib-dev_1.2.5-2/include
 -ID:/devel/emacs/libs/giflib-4.1.4-1/include
 -ID:/devel/emacs/libs/jpeg-6b-4/include
 -ID:/devel/emacs/libs/tiff-3.8.2-1/include
 -ID:/devel/emacs/libs/gnutls-3.0.9/include'

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ITA
  value of $XMODIFIERS: nil
  locale-coding-system: cp1252
  default enable-multibyte-characters: t

Major mode: Text

Minor modes in effect:
  enriched-mode: t
  show-paren-mode: t
  server-mode: t
  recentf-mode: t
  cua-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  use-hard-newlines: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<help-echo> <help-echo> M-x e n r i c h e d - m o d 
e <return> y <help-echo> <help-echo> <help-echo> <down-mouse-1> 
<mouse-movement> <mouse-movement> <drag-mouse-1> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<menu-bar> <edit> <props> <sp> r C-x C-s <C-S-left> 
<C-S-left> <C-S-left> <C-S-left> <C-S-left> <C-S-right> 
<S-right> D e s k t o p / p r o v a . <backspace> 1 
. t x t <return> <C-S-kp-end> <up> <down> e x t r a 
SPC t e x t C-x C-s M-x r e p o <tab> r t - e m <tab> 
<return>

Recent messages:
Loading c:/Users/andrea/AppData/Roaming/.recentf...done
For information about GNU Emacs and the GNU system, type C-h C-a.
Make newlines between paragraphs hard? (y or n)  y
Enriched: encoding document...
These text properties could not be saved:
    (fontified)
Wrote c:/Users/andrea/Desktop/prova1.txt
Saving file c:/Users/andrea/Desktop/prova1.txt...
copy-to-buffer: Text is read-only
Making completion list...

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message format-spec rfc822 mml mml-sec
mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils
mailheader sendmail regexp-opt rfc2047 rfc2045 ietf-drums help-mode view
enriched csv-mode-autoloads graphviz-dot-mode-autoloads muse-autoloads
info paredit-autoloads slime-repl-autoloads slime-autoloads package
tabulated-list edmacro kmacro paren server recentf tree-widget easymenu
gnus gnus-ems nnheader gnus-util mail-utils mm-util mail-prsvr wid-edit
cua-base cus-start cus-load time-date tooltip ediff-hook vc-hooks
lisp-float-type mwheel dos-w32 disp-table ls-lisp w32-win w32-vars
tool-bar dnd fontset image fringe lisp-mode register page menu-bar
rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax
facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese
tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak
czech european ethiopic indian cyrillic chinese case-table epa-hook
jka-cmpr-hook help simple abbrev minibuffer loaddefs button faces
cus-face files text-properties overlay sha1 md5 base64 format env
code-pages mule custom widget hashtable-print-readable backquote
make-network-process multi-tty emacs)

Message #10 received at 14887-done <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: 14887-done <at> debbugs.gnu.org
Subject: Re: bug#14887: 24.2;
 enriched-mode, message "Text is read only" on buffer save
Date: Fri, 26 Jul 2013 20:32:22 -0400

Version: 24.4

Thanks for the report. This patch (against 24.3) fixes it.
(Because format.el is compiled into Emacs, you must rebuild Emacs after
applying this patch.)


*** lisp/format.el	2013-01-01 09:11:05 +0000
--- lisp/format.el	2013-07-27 00:29:42 +0000
***************
*** 225,234 ****
  		(setq selective-display sel-disp)
  		(set-buffer-multibyte multibyte)
  		(setq buffer-file-coding-system coding-system))
! 	      (copy-to-buffer copy-buf from to)
! 	      (set-buffer copy-buf)
! 	      (format-insert-annotations write-region-annotations-so-far from)
! 	      (format-encode-run-method to-fn (point-min) (point-max) orig-buf)
                (when (buffer-live-p copy-buf)
                  (with-current-buffer copy-buf
                    ;; Set write-region-post-annotation-function to
--- 225,236 ----
  		(setq selective-display sel-disp)
  		(set-buffer-multibyte multibyte)
  		(setq buffer-file-coding-system coding-system))
! 	      (let ((inhibit-read-only t)) ; bug#14887
! 		(copy-to-buffer copy-buf from to)
! 		(set-buffer copy-buf)
! 		(format-insert-annotations write-region-annotations-so-far from)
! 		(format-encode-run-method to-fn (point-min) (point-max)
! 					  orig-buf))
                (when (buffer-live-p copy-buf)
                  (with-current-buffer copy-buf
                    ;; Set write-region-post-annotation-function to

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