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comparison man/lispref/backups.texi @ 446:1ccc32a20af4 r21-2-38

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Import from CVS: tag r21-2-38
author cvs
date Mon, 13 Aug 2007 11:37:21 +0200
parents 576fb035e263
children e2da7cf7aa74
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445:34f3776fcf0e 446:1ccc32a20af4
356 XEmacs periodically saves all files that you are visiting; this is 356 XEmacs periodically saves all files that you are visiting; this is
357 called @dfn{auto-saving}. Auto-saving prevents you from losing more 357 called @dfn{auto-saving}. Auto-saving prevents you from losing more
358 than a limited amount of work if the system crashes. By default, 358 than a limited amount of work if the system crashes. By default,
359 auto-saves happen every 300 keystrokes, or after around 30 seconds of 359 auto-saves happen every 300 keystrokes, or after around 30 seconds of
360 idle time. @xref{Auto-Save, Auto-Save, Auto-Saving: Protection Against 360 idle time. @xref{Auto-Save, Auto-Save, Auto-Saving: Protection Against
361 Disasters, emacs, The XEmacs Reference Manual}, for information on auto-save 361 Disasters, xemacs, The XEmacs Lisp Reference Manual}, for information on
362 for users. Here we describe the functions used to implement auto-saving 362 auto-save for users. Here we describe the functions used to implement
363 and the variables that control them. 363 auto-saving and the variables that control them.
364 364
365 @defvar buffer-auto-save-file-name 365 @defvar buffer-auto-save-file-name
366 This buffer-local variable is the name of the file used for 366 This buffer-local variable is the name of the file used for
367 auto-saving the current buffer. It is @code{nil} if the buffer 367 auto-saving the current buffer. It is @code{nil} if the buffer
368 should not be auto-saved. 368 should not be auto-saved.
577 @section Reverting 577 @section Reverting
578 578
579 If you have made extensive changes to a file and then change your mind 579 If you have made extensive changes to a file and then change your mind
580 about them, you can get rid of them by reading in the previous version 580 about them, you can get rid of them by reading in the previous version
581 of the file with the @code{revert-buffer} command. @xref{Reverting, , 581 of the file with the @code{revert-buffer} command. @xref{Reverting, ,
582 Reverting a Buffer, emacs, The XEmacs Reference Manual}. 582 Reverting a Buffer, xemacs, The XEmacs Lisp Reference Manual}.
583 583
584 @deffn Command revert-buffer &optional check-auto-save noconfirm preserve-modes 584 @deffn Command revert-buffer &optional check-auto-save noconfirm preserve-modes
585 This command replaces the buffer text with the text of the visited 585 This command replaces the buffer text with the text of the visited
586 file on disk. This action undoes all changes since the file was visited 586 file on disk. This action undoes all changes since the file was visited
587 or saved. 587 or saved.