*** empty log message ***
This commit is contained in:
parent
d177c58352
commit
29b677db48
4 changed files with 49 additions and 24 deletions
|
@ -61,7 +61,7 @@ saving the buffer the first time.
|
|||
been backed up on account of this buffer. If it is non-@code{nil}, then
|
||||
the backup file has been written. Otherwise, the file should be backed
|
||||
up when it is next saved (if backups are enabled). This is a
|
||||
permanent local; @code{kill-local-variables} does not alter it.
|
||||
permanent local; @code{kill-all-local-variables} does not alter it.
|
||||
@end defvar
|
||||
|
||||
@defopt make-backup-files
|
||||
|
@ -241,9 +241,10 @@ versions to delete, but does not delete them itself.
|
|||
|
||||
@tindex delete-old-versions
|
||||
@defopt delete-old-versions
|
||||
If this variable is non-@code{nil}, then saving a file deletes excess
|
||||
backup versions silently. Otherwise, it asks the user whether to delete
|
||||
them.
|
||||
If this variable is @code{t}, then saving a file deletes excess
|
||||
backup versions silently. If it is @code{nil}, that means
|
||||
to ask for confirmation before deleting excess backups.
|
||||
Otherwise, they are not deleted at all.
|
||||
@end defopt
|
||||
|
||||
@defopt dired-kept-versions
|
||||
|
@ -283,7 +284,7 @@ The standard definition of this function is as follows:
|
|||
(defun backup-file-name-p (file)
|
||||
"Return non-nil if FILE is a backup file \
|
||||
name (numeric or not)..."
|
||||
(string-match "~$" file))
|
||||
(string-match "~\\'" file))
|
||||
@end group
|
||||
@end smallexample
|
||||
|
||||
|
@ -308,7 +309,7 @@ as follows:
|
|||
@smallexample
|
||||
@group
|
||||
(defun make-backup-file-name (file)
|
||||
"Create the non-numeric backup file name for FILE@enddots{}"
|
||||
"Create the non-numeric backup file name for FILE..."
|
||||
(concat file "~"))
|
||||
@end group
|
||||
@end smallexample
|
||||
|
@ -391,7 +392,7 @@ should not be auto-saved.
|
|||
@example
|
||||
@group
|
||||
buffer-auto-save-file-name
|
||||
=> "/xcssun/users/rms/lewis/#files.texi#"
|
||||
@result{} "/xcssun/users/rms/lewis/#backups.texi#"
|
||||
@end group
|
||||
@end example
|
||||
@end defvar
|
||||
|
@ -399,7 +400,7 @@ buffer-auto-save-file-name
|
|||
@deffn Command auto-save-mode arg
|
||||
When used interactively without an argument, this command is a toggle
|
||||
switch: it turns on auto-saving of the current buffer if it is off, and
|
||||
vice-versa. With an argument @var{arg}, the command turns auto-saving
|
||||
vice versa. With an argument @var{arg}, the command turns auto-saving
|
||||
on if the value of @var{arg} is @code{t}, a nonempty list, or a positive
|
||||
integer. Otherwise, it turns auto-saving off.
|
||||
@end deffn
|
||||
|
@ -414,14 +415,14 @@ name. The argument @var{filename} should not contain a directory part.
|
|||
@example
|
||||
@group
|
||||
(make-auto-save-file-name)
|
||||
@result{} "/xcssun/users/rms/lewis/#files.texi#"
|
||||
@result{} "/xcssun/users/rms/lewis/#backups.texi#"
|
||||
@end group
|
||||
@group
|
||||
(auto-save-file-name-p "#files.texi#")
|
||||
(auto-save-file-name-p "#backups.texi#")
|
||||
@result{} 0
|
||||
@end group
|
||||
@group
|
||||
(auto-save-file-name-p "files.texi")
|
||||
(auto-save-file-name-p "backups.texi")
|
||||
@result{} nil
|
||||
@end group
|
||||
@end example
|
||||
|
@ -452,7 +453,7 @@ function should check that variable first.
|
|||
@example
|
||||
@group
|
||||
(make-auto-save-file-name)
|
||||
@result{} "/xcssun/users/rms/lewis/#backup.texi#"
|
||||
@result{} "/xcssun/users/rms/lewis/#backups.texi#"
|
||||
@end group
|
||||
@end example
|
||||
|
||||
|
@ -462,7 +463,7 @@ The standard definition of this function is as follows:
|
|||
@group
|
||||
(defun make-auto-save-file-name ()
|
||||
"Return file name to use for auto-saves \
|
||||
of current buffer@enddots{}"
|
||||
of current buffer.."
|
||||
(if buffer-file-name
|
||||
@end group
|
||||
@group
|
||||
|
@ -516,9 +517,14 @@ enabled.
|
|||
@defopt auto-save-timeout
|
||||
The value of this variable is the number of seconds of idle time that
|
||||
should cause auto-saving. Each time the user pauses for this long,
|
||||
Emacs does auto-saving for all buffers in which that is enabled.
|
||||
(Actually, the specified timeout is multiplied by a factor depending on
|
||||
the size of the current buffer.)
|
||||
Emacs does auto-saving for all buffers in which that is enabled. (If
|
||||
the current buffer is large, the specified timeout is multiplied by a
|
||||
factor that depends increases as the size increases; for a million-byte
|
||||
buffer, the factor is almost 4.)
|
||||
|
||||
If the value is zero or nil, then auto-saving is not done as a result
|
||||
of idleness, only after a certain number of input events
|
||||
as specified by @code{auto-save-interval}.
|
||||
@end defopt
|
||||
|
||||
@defvar auto-save-hook
|
||||
|
@ -595,6 +601,15 @@ with @samp{.saves-}. It also contains the Emacs process @sc{id} and the
|
|||
host name.
|
||||
@end defvar
|
||||
|
||||
@defvar auto-save-list-file-prefix
|
||||
@tindex auto-save-list-file-prefix
|
||||
After Emacs reads your init file, it initializes
|
||||
@code{auto-save-list-file-name} (if you have not already set it
|
||||
non-@code{nil}) based on this prefix, adding the host name and process
|
||||
ID. If you set this to @code{nil} in your init file, then Emacs does
|
||||
not initialize @code{auto-save-list-file-name}.
|
||||
@end defvar
|
||||
|
||||
@node Reverting
|
||||
@section Reverting
|
||||
|
||||
|
@ -629,7 +644,7 @@ the buffer. Preserving any additional markers would be problematical.
|
|||
@end deffn
|
||||
|
||||
You can customize how @code{revert-buffer} does its work by setting
|
||||
these variables---typically, as buffer-local variables.
|
||||
the variables described in the rest of this section.
|
||||
|
||||
@defvar revert-without-query
|
||||
This variable holds a list of files that should be reverted without
|
||||
|
@ -639,6 +654,9 @@ on disk but the buffer is not modified, then @code{revert-buffer}
|
|||
reverts the file without asking the user for confirmation.
|
||||
@end defvar
|
||||
|
||||
Some major modes customize @code{revert-buffer} by making
|
||||
buffer-local bindings for these variables:
|
||||
|
||||
@defvar revert-buffer-function
|
||||
The value of this variable is the function to use to revert this buffer.
|
||||
If non-@code{nil}, it is called as a function with no arguments to do
|
||||
|
@ -647,7 +665,7 @@ usual way.
|
|||
|
||||
Modes such as Dired mode, in which the text being edited does not
|
||||
consist of a file's contents but can be regenerated in some other
|
||||
fashion, give this variable a buffer-local value that is a function to
|
||||
fashion, can give this variable a buffer-local value that is a function to
|
||||
regenerate the contents.
|
||||
@end defvar
|
||||
|
||||
|
@ -656,6 +674,12 @@ The value of this variable, if non-@code{nil}, specifies the function to use to
|
|||
insert the updated contents when reverting this buffer. The function
|
||||
receives two arguments: first the file name to use; second, @code{t} if
|
||||
the user has asked to read the auto-save file.
|
||||
|
||||
The reason for a mode to set this variable instead of
|
||||
@code{revert-buffer-function} is to avoid duplicating or replacing the
|
||||
rest of what @code{revert-buffer} does: asking for confirmation,
|
||||
clearing the undo list, deciding the proper major mode, and running the
|
||||
hooks listed below.
|
||||
@end defvar
|
||||
|
||||
@defvar before-revert-hook
|
||||
|
|
|
@ -370,7 +370,8 @@ supplied, it defaults to the current buffer.
|
|||
@defvar buffer-file-name
|
||||
This buffer-local variable contains the name of the file being visited
|
||||
in the current buffer, or @code{nil} if it is not visiting a file. It
|
||||
is a permanent local variable, unaffected by @code{kill-local-variables}.
|
||||
is a permanent local variable, unaffected by
|
||||
@code{kill-all-local-variables}.
|
||||
|
||||
@example
|
||||
@group
|
||||
|
@ -389,14 +390,14 @@ Emacs.
|
|||
@defvar buffer-file-truename
|
||||
This buffer-local variable holds the truename of the file visited in the
|
||||
current buffer, or @code{nil} if no file is visited. It is a permanent
|
||||
local, unaffected by @code{kill-local-variables}. @xref{Truenames}.
|
||||
local, unaffected by @code{kill-all-local-variables}. @xref{Truenames}.
|
||||
@end defvar
|
||||
|
||||
@defvar buffer-file-number
|
||||
This buffer-local variable holds the file number and directory device
|
||||
number of the file visited in the current buffer, or @code{nil} if no
|
||||
file or a nonexistent file is visited. It is a permanent local,
|
||||
unaffected by @code{kill-local-variables}.
|
||||
unaffected by @code{kill-all-local-variables}.
|
||||
|
||||
The value is normally a list of the form @code{(@var{filenum}
|
||||
@var{devnum})}. This pair of numbers uniquely identifies the file among
|
||||
|
|
|
@ -267,7 +267,7 @@ Keywords}. Here is an example, from the library @file{paren.el}:
|
|||
|
||||
@example
|
||||
(defcustom show-paren-mode nil
|
||||
"Toggle Show Paren mode@enddots{}"
|
||||
"Toggle Show Paren mode..."
|
||||
:set (lambda (symbol value)
|
||||
(show-paren-mode (or value 0)))
|
||||
:initialize 'custom-initialize-default
|
||||
|
|
|
@ -322,7 +322,7 @@ inherit all the commands defined in this map.")
|
|||
@smallexample
|
||||
@group
|
||||
(defun text-mode ()
|
||||
"Major mode for editing text intended for humans to read@enddots{}
|
||||
"Major mode for editing text intended for humans to read...
|
||||
Special commands: \\@{text-mode-map@}
|
||||
@end group
|
||||
@group
|
||||
|
@ -459,7 +459,7 @@ And here is the code to set up the keymap for Lisp mode:
|
|||
@smallexample
|
||||
@group
|
||||
(defvar lisp-mode-map ()
|
||||
"Keymap for ordinary Lisp mode@enddots{}")
|
||||
"Keymap for ordinary Lisp mode...")
|
||||
|
||||
(if lisp-mode-map
|
||||
()
|
||||
|
|
Loading…
Add table
Reference in a new issue