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(make-backup-file-name, backup-file-name-p): Use ~ even

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on ms-dos.
This commit is contained in:
Karl Heuer 1995-12-19 21:30:13 +00:00
parent 53588795b1
commit 066327aee3
1 changed files with 6 additions and 6 deletions
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12
lisp/files.el
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@ -1596,18 +1596,18 @@ This is a separate function so you can redefine it for customization."
(if (eq system-type 'ms-dos)
(let ((fn (file-name-nondirectory file)))
(concat (file-name-directory file)
(if (string-match "\\([^.]*\\)\\(\\..*\\)?" fn)
(substring fn 0 (match-end 1)))
".bak"))
(or
(and (string-match "\\`[^.]+\\'" fn)
(concat (match-string 0 fn) ".~"))
(and (string-match "\\`[^.]+\\.\\(..?\\)?" fn)
(concat (match-string 0 fn) "~")))))
(concat file "~")))
(defun backup-file-name-p (file)
"Return non-nil if FILE is a backup file name (numeric or not).
This is a separate function so you can redefine it for customization.
You may need to redefine `file-name-sans-versions' as well."
(if (eq system-type 'ms-dos)
(string-match "\\.bak$" file)
(string-match "~$" file)))
(string-match "~\\'" file))
;; This is used in various files.
;; The usage of bv-length is not very clean,