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(hexlify-buffer, dehexlify-buffer): Clear out the undo

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info, and don't record undo info for the conversion.
This commit is contained in:
Richard M. Stallman 1996-04-03 17:22:11 +00:00
parent 4e2f59f652
commit aa3757b85f
1 changed files with 16 additions and 4 deletions
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20
lisp/hexl.el
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@ -554,17 +554,29 @@ You may also type up to 3 octal digits, to insert a character with that code"
;;;###autoload
(defun hexlify-buffer ()
"Convert a binary buffer to hexl format."
"Convert a binary buffer to hexl format.
This discards the buffer's undo information."
(interactive)
(and buffer-undo-list
(or (y-or-n-p "Converting to hexl format discards undo info; ok? ")
(error "Aborted")))
(setq buffer-undo-list nil)
(let ((binary-process-output nil) ; for Ms-Dos
(binary-process-input t))
(binary-process-input t)
(buffer-undo-list t))
(shell-command-on-region (point-min) (point-max) hexlify-command t)))
(defun dehexlify-buffer ()
"Convert a hexl format buffer to binary."
"Convert a hexl format buffer to binary.
This discards the buffer's undo information."
(interactive)
(and buffer-undo-list
(or (y-or-n-p "Converting from hexl format discards undo info; ok? ")
(error "Aborted")))
(setq buffer-undo-list nil)
(let ((binary-process-output t) ; for Ms-Dos
(binary-process-input nil))
(binary-process-input nil)
(buffer-undo-list t))
(shell-command-on-region (point-min) (point-max) dehexlify-command t)))
(defun hexl-char-after-point ()