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Diffstat (limited to 'lisp/files.el')
| -rw-r--r-- | lisp/files.el | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lisp/files.el b/lisp/files.el index abf6b0c8184..55a7afe7875 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -4700,14 +4700,20 @@ 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 |