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; Improve documentation of backing up files

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* doc/emacs/files.texi (Backup Copying): Mention that
'backup-by-copying' is safer.  Document 'file-precious-flag'.
(Bug#71074)
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Eli Zaretskii 2024-05-21 15:34:50 +03:00
parent a4828155d8
commit 5ab144c77c
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doc/emacs/files.texi
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@ -786,6 +786,14 @@ those previous versions. If you want to be able to do that with files
hosted by those services when editing them with Emacs, customize
@code{backup-by-copying} to a non-@code{nil} value.
@vindex file-precious-flag
Copying the old file for backup is also useful when editing precious
files, because it makes sure the old file keeps its name if something
fails between the backup and the saving of your edits. Alternatively,
you can customize @code{file-precious-flag} to a non-@code{nil} value,
which implies backups by copying and also protects against I/O errors
while saving your edits.
@node Customize Save
@subsection Customizing Saving of Files