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bug#18034: toggle-read-only used in the code

From: Ivan Shmakov
Subject: bug#18034: toggle-read-only used in the code
Date: Tue, 15 Jul 2014 18:44:28 +0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Package:  emacs
Severity: minor

        Even though toggle-read-only was marked as obsolete back in
        2012, there’re still a handful of references to it remaining in
        the code, most notably in vc/*.el.  Consider, e. g.:

$ find lisp/ -type f -name \*.el \
      -exec gawk 'FILENAME ~ /\<files\.el$/ || /^\s*[;"]|"$/ { next; }
                  /[^-[:alnum:]]toggle-read-only\>/ {
                      print FILENAME ":" FNR ":\t" $0;
                  }' {} + 
lisp/dired.el:1553:         (define-key map [remap toggle-read-only] 
lisp/progmodes/hideif.el:192:        'toggle-read-only 
'hide-ifdef-toggle-outside-read-only map)
lisp/vc/vc-hooks.el:637:          'vc-toggle-read-only 'toggle-read-only "24.1")
lisp/vc/ediff-init.el:1349:     (defvar ediff-toggle-read-only-function 
(file-writable 'toggle-read-only)
lisp/vc/ediff-util.el:1042:                        (setq toggle-ro-cmd 
lisp/vc/ediff-util.el:1057:                        (setq toggle-ro-cmd 
lisp/vc/ediff-util.el:1063:                      (string-match 
"toggle-read-only" (symbol-name toggle-ro-cmd)))

        For one thing, typing A or B in when using Ediff results in the
        respective message:

`toggle-read-only' is an obsolete command (as of 24.3); use `read-only-mode' 

        I suggest these be replaced with read-only-mode as appropriate.


FSF associate member #7257      http://boycottsystemd.org/
commit e7b7bf65b489c5890c4f64245769b8dc5c7fd916
Author:     Stefan Monnier <address@hidden>
AuthorDate: Wed Aug 29 11:11:51 2012 -0400

    * lisp/files.el (read-only-mode): New minor mode.
    (toggle-read-only): Use it and mark obsolete.
    * lisp/vc/vc.el (vc-next-action, vc-checkout):
    * lisp/vc/vc-cvs.el (vc-cvs-checkout):
    * lisp/obsolete/vc-mcvs.el (vc-mcvs-update):
    * lisp/ffap.el (ffap--toggle-read-only): Update callers.

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