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Clarify doc string of 'save-buffer'

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* lisp/files.el (save-buffer): Clarify that backups might not be
made even if this command is invoked with 2 or 3 "C-u"s.
(Bug#3702)
This commit is contained in:
Eli Zaretskii 2016-07-09 14:17:12 +03:00
parent 03bcf116fb
commit d6aa4da832
1 changed files with 8 additions and 2 deletions
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lisp/files.el
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@ -4637,14 +4637,20 @@ By default, makes the previous version into a backup file
Prefixed with one \\[universal-argument], marks this version
to become a backup when the next save is done.
Prefixed with two \\[universal-argument]'s,
unconditionally makes the previous version into a backup file.
makes the previous version into a backup file.
Prefixed with three \\[universal-argument]'s, marks this version
to become a backup when the next save is done,
and unconditionally makes the previous version into a backup file.
and makes the previous version into a backup file.
With a numeric prefix argument of 0, never make the previous version
into a backup file.
Note that the various variables that control backups, such
as `version-control', `backup-enable-predicate', `vc-make-backup-files',
and `backup-inhibited', to name just the more popular ones, still
control whether a backup will actually be produced, even when you
invoke this command prefixed with two or three \\[universal-argument]'s.
If a file's name is FOO, the names of its numbered backup versions are
FOO.~i~ for various integers i. A non-numbered backup file is called FOO~.
Numeric backups (rather than FOO~) will be made if value of