bug#13801: [PATCH] Trivial fix for files.el

[Xue Fuqiao]

I made a minor patch for files.el.  The patch does this:

1. Improve the doc string for `break-hardlink-on-save';

2. Remove an unnecessary `buffer-auto-save-file-name'.


*** trunk/lisp/files.el 2013-02-24 06:49:38.358835000 +0800
--- trunk/lisp/files.el.new     2013-02-24 14:23:28.681175258 +0800
*************** See also: `break-hardlink-on-save'."
*** 248,259 ****
    :group 'backup)
  
  (defcustom break-hardlink-on-save nil
!   "Non-nil means when saving a file that exists under several names
! \(i.e., has multiple hardlinks), break the hardlink associated with
! `buffer-file-name' and write to a new file, so that the other
! instances of the file are not affected by the save.
  
! If `buffer-file-name' refers to a symlink, do not break the symlink.
  
  Unlike `file-precious-flag', `break-hardlink-on-save' is not advisory.
  For example, if the directory in which a file is being saved is not
--- 248,262 ----
    :group 'backup)
  
  (defcustom break-hardlink-on-save nil
!   "This variable affect the relation between hardlink(s) and the file.
! Non-nil means when saving a file that exists under several names
! \(i.e., has multiple hardlinks), break the hardlink associated
! with the variable `buffer-file-name' and write to a new file, so
! that the other instances of the file are not affected by the
! save.
  
! If the variable`buffer-file-name' refers to a symlink, do not
! break the symlink.
  
  Unlike `file-precious-flag', `break-hardlink-on-save' is not advisory.
  For example, if the directory in which a file is being saved is not
*************** non-nil, it is called instead of rereadi
*** 5333,5339 ****
        (let* ((revert-buffer-in-progress-p t)
               (auto-save-p (and (not ignore-auto)
                               (recent-auto-save-p)
-                              buffer-auto-save-file-name
                               (file-readable-p buffer-auto-save-file-name)
                               (y-or-n-p
       "Buffer has been auto-saved recently.  Revert from auto-save file? ")))
--- 5336,5341 ----



*** trunk/lisp/ChangeLog        2013-02-24 06:49:38.358835000 +0800
--- trunk/lisp/ChangeLog.new    2013-02-24 14:27:41.126427073 +0800
***************
*** 1,7 ****
  2013-02-23  Peter Kleiweg  <p.c.j.kleiweg@rug.nl>
  
        * progmodes/ps-mode.el (ps-mode-version): Bump to 1.1i.
!       (ps-mode-octal-region): Use string-make-unibyte.
  
  2013-02-23  Glenn Morris  <rgm@gnu.org>
  
--- 1,12 ----
+ 2013-02-24  Xue Fuqiao  <xfq.free@gmail.com>
+ 
+       * files.el (break-hardlink-on-save): Doc fix.
+       (revert-buffer): Remove the unnecessary `buffer-auto-save-file-name'.
+ 
  2013-02-23  Peter Kleiweg  <p.c.j.kleiweg@rug.nl>
  
        * progmodes/ps-mode.el (ps-mode-version): Bump to 1.1i.
!       (ps-mode-octal-region): Use `string-make-unibyte'.
  
  2013-02-23  Glenn Morris  <rgm@gnu.org>
  


-- 
Best regards, Xue Fuqiao.
http://www.emacswiki.org/emacs/XueFuqiao