From: Stefan Monnier Date: Sun, 23 Jun 2002 22:15:43 +0000 (+0000) Subject: *** empty log message *** X-Git-Tag: ttn-vms-21-2-B4~14478 X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=f2aa473a2cf664b9f2bebd902c123d1686b17769;p=emacs.git *** empty log message *** --- diff --git a/etc/NEWS b/etc/NEWS index faf1c056830..8d777fdce18 100644 --- a/etc/NEWS +++ b/etc/NEWS @@ -884,6 +884,7 @@ mode-lines in inverse-video. * Lisp Changes in Emacs 21.4 ++++ ** Renamed file hooks to follow the convention: find-file-hooks to find-file-hook, find-file-not-found-hooks to find-file-not-found-functions, diff --git a/lisp/ChangeLog b/lisp/ChangeLog index b8065eca8f1..afd43a1d05b 100644 --- a/lisp/ChangeLog +++ b/lisp/ChangeLog @@ -1,3 +1,24 @@ +2002-06-23 Stefan Monnier + + * subr.el (event-start, event-end, event-click-count): + Accept non-mouse events as well. + (read-key): New function. + (read-quoted-char): Use it. Use this-single-command-raw-keys as well. + + * files.el: Rename (and mark as obsolete) + find-file-hooks to find-file-hook, + find-file-not-found-hooks to find-file-not-found-functions, + write-file-hooks to write-file-functions, + write-contents-hooks to write-contents-functions. + Mark local-write-file-hooks as obsolete. + (locate-file-completion): Don't cons uselessly. Use test-completion. + (basic-save-buffer): Use (point-min) rather than 1. + (basic-save-buffer-2): Obey the `setmodes' returned by backup-buffer. + + * help-fns.el (describe-variable): Only use `buffer' is still live. + Use `delete-region' instead of save-excursion + delete-char. + Document the obsolescence of the variable, if applicable. + 2002-06-23 Glenn Morris * progmodes/f90.el (f90-do-auto-fill): Respect the value of diff --git a/lispref/files.texi b/lispref/files.texi index 167ce9fa317..eb008544f4a 100644 --- a/lispref/files.texi +++ b/lispref/files.texi @@ -141,11 +141,11 @@ The @code{find-file-noselect} function normally calls Visiting}). That function sets the buffer major mode, parses local variables, warns the user if there exists an auto-save file more recent than the file just visited, and finishes by running the functions in -@code{find-file-hooks}. +@code{find-file-hook}. If the optional argument @var{rawfile} is non-@code{nil}, then @code{after-find-file} is not called, and the -@code{find-file-not-found-hooks} are not run in case of failure. What's +@code{find-file-not-found-functions} are not run in case of failure. What's more, a non-@code{nil} @var{rawfile} value suppresses coding system conversion (@pxref{Coding Systems}) and format conversion (@pxref{Format Conversion}). @@ -200,7 +200,7 @@ match them. If this is @code{nil}, then wildcard characters are not treated specially. @end defvar -@defvar find-file-hooks +@defvar find-file-hook The value of this variable is a list of functions to be called after a file is visited. The file's local-variables specification (if any) will have been processed before the hooks are run. The buffer visiting the @@ -210,7 +210,7 @@ This variable works just like a normal hook, but we think that renaming it would not be advisable. @xref{Hooks}. @end defvar -@defvar find-file-not-found-hooks +@defvar find-file-not-found-functions The value of this variable is a list of functions to be called when @code{find-file} or @code{find-file-noselect} is passed a nonexistent file name. @code{find-file-noselect} calls these functions as soon as @@ -285,11 +285,11 @@ of this variable. If @var{nomodes} is non-@code{nil}, that means don't alter the buffer's major mode, don't process local variables specifications in the file, -and don't run @code{find-file-hooks}. This feature is used by +and don't run @code{find-file-hook}. This feature is used by @code{revert-buffer} in some cases. The last thing @code{after-find-file} does is call all the functions -in the list @code{find-file-hooks}. +in the list @code{find-file-hook}. @end defun @node Saving Buffers @@ -362,14 +362,14 @@ before overwriting an existing file. conversion (@pxref{Format Conversion}), and may save text properties in ``annotations'' (@pxref{Saving Properties}). -@defvar write-file-hooks +@defvar write-file-functions The value of this variable is a list of functions to be called before writing out a buffer to its visited file. If one of them returns non-@code{nil}, the file is considered already written and the rest of the functions are not called, nor is the usual code for writing the file executed. -If a function in @code{write-file-hooks} returns non-@code{nil}, it +If a function in @code{write-file-functions} returns non-@code{nil}, it is responsible for making a backup file (if that is appropriate). To do so, execute the following code: @@ -381,43 +381,33 @@ You might wish to save the file modes value returned by @code{backup-buffer} and use that to set the mode bits of the file that you write. This is what @code{save-buffer} normally does. -The hook functions in @code{write-file-hooks} are also responsible for +The hook functions in @code{write-file-functions} are also responsible for encoding the data (if desired): they must choose a suitable coding system (@pxref{Lisp and Coding Systems}), perform the encoding (@pxref{Explicit Encoding}), and set @code{last-coding-system-used} to the coding system that was used (@pxref{Encoding and I/O}). -Do not make this variable buffer-local. To set up buffer-specific hook -functions, use @code{write-contents-hooks} instead. +If you set this hook locally in a buffer, it is assumed to be +associated with the file or the way the contents of the buffer were +obtained. Thus the variable is marked as a permanent local, so that +changing the major mode does not alter a buffer-local value. On the +other hand, calling @code{set-visited-file-name} will reset it. +If this is not what you want, you might like to use +@code{write-contents-functions} instead. Even though this is not a normal hook, you can use @code{add-hook} and @code{remove-hook} to manipulate the list. @xref{Hooks}. @end defvar @c Emacs 19 feature -@defvar local-write-file-hooks -This works just like @code{write-file-hooks}, but it is intended to be -made buffer-local in particular buffers, and used for hooks that pertain -to the file name or the way the buffer contents were obtained. - -The variable is marked as a permanent local, so that changing the major -mode does not alter a buffer-local value. This is convenient for -packages that read ``file'' contents in special ways, and set up hooks -to save the data in a corresponding way. -@end defvar - -@c Emacs 19 feature -@defvar write-contents-hooks -This works just like @code{write-file-hooks}, but it is intended for +@defvar write-contents-functions +This works just like @code{write-file-functions}, but it is intended for hooks that pertain to the contents of the file, as opposed to hooks that pertain to where the file came from. Such hooks are usually set up by major modes, as buffer-local bindings for this variable. This variable automatically becomes buffer-local whenever it is set; -switching to a new major mode always resets this variable. When you use -@code{add-hooks} to add an element to this hook, you should @emph{not} -specify a non-@code{nil} @var{local} argument, since this variable is -used @emph{only} buffer-locally. +switching to a new major mode always resets this variable. @end defvar @c Emacs 19 feature @@ -514,7 +504,7 @@ with @code{insert-file-contents}, as long as @var{replace} and This function works like @code{insert-file-contents} except that it does not do format decoding (@pxref{Format Conversion}), does not do character code conversion (@pxref{Coding Systems}), does not run -@code{find-file-hooks}, does not perform automatic uncompression, and so +@code{find-file-hook}, does not perform automatic uncompression, and so on. @end defun diff --git a/lispref/hooks.texi b/lispref/hooks.texi index 9d4156d70d8..ecdec6885da 100644 --- a/lispref/hooks.texi +++ b/lispref/hooks.texi @@ -67,8 +67,8 @@ however, we have renamed all of those.) @item electric-command-history-hook @item electric-help-mode-hook @item emacs-lisp-mode-hook -@item find-file-hooks -@item find-file-not-found-hooks +@item find-file-hook +@item find-file-not-found-functions @item first-change-hook @item fortran-comment-hook @item fortran-mode-hook @@ -85,7 +85,6 @@ however, we have renamed all of those.) @item lisp-interaction-mode-hook @item lisp-mode-hook @item list-diary-entries-hook -@item local-write-file-hooks @item mail-mode-hook @item mail-setup-hook @item mark-diary-entries-hook @@ -133,7 +132,7 @@ however, we have renamed all of those.) @item window-scroll-functions @item window-setup-hook @item window-size-change-functions -@item write-contents-hooks -@item write-file-hooks +@item write-contents-functions +@item write-file-functions @item write-region-annotate-functions @end table diff --git a/lispref/loading.texi b/lispref/loading.texi index bee4aca587f..ae47a1d4d54 100644 --- a/lispref/loading.texi +++ b/lispref/loading.texi @@ -637,7 +637,7 @@ The compiler ignores the @code{provide}, then processes the execute the @code{provide} call, so the subsequent @code{require} call does nothing when the file is loaded. -@defun provide feature +@defun provide feature &optional subfeatures This function announces that @var{feature} is now loaded, or being loaded, into the current Emacs session. This means that the facilities associated with @var{feature} are or will be available for other Lisp @@ -648,6 +648,9 @@ the front of the list @code{features} if it is not already in the list. The argument @var{feature} must be a symbol. @code{provide} returns @var{feature}. +If provided, @var{subfeatures} should be a list of symbols indicating +a set of specific subfeatures provided by this version of @var{feature}. + @smallexample features @result{} (bar bish) @@ -681,10 +684,13 @@ signals an error, @samp{Required feature @var{feature} was not provided}, unless @var{noerror} is non-@code{nil}. @end defun -@defun featurep feature +@defun featurep feature &optional subfeature This function returns @code{t} if @var{feature} has been provided in the current Emacs session (i.e., if @var{feature} is a member of -@code{features}.) +@code{features}.) If @var{subfeature} is non-nil, then the function +returns @code{t} only if that subfeature is provided as well (i.e. +if @var{subfeature} is a member of the @var{subfeature} property +of the @var{feature} symbol.) @end defun @defvar features @@ -796,10 +802,13 @@ This function arranges to evaluate @var{form} at the end of loading the library @var{library}, if and when @var{library} is loaded. If @var{library} is already loaded, it evaluates @var{form} right away. -The library name @var{library} must exactly match the argument of -@code{load}. To get the proper results when an installed library is -found by searching @code{load-path}, you should not include any -directory names in @var{library}. +If @var{library} is a string, it must exactly match the argument of +@code{load} used to load the library. To get the proper results when an +installed library is found by searching @code{load-path}, you should not +include any directory names in @var{library}. + +@var{library} can also be a feature (i.e. a symbol), in which case, +@var{form} is evaluated when @code{(provide @var{library})} is called. An error in @var{form} does not undo the load, but does prevent execution of the rest of @var{form}. diff --git a/lispref/locals.texi b/lispref/locals.texi index bf8019693f8..d9565ae3e4b 100644 --- a/lispref/locals.texi +++ b/lispref/locals.texi @@ -108,9 +108,6 @@ use, but we don't try to list them all here. @item local-abbrev-table @xref{Abbrevs}. -@item local-write-file-hooks -@xref{Saving Buffers}. - @item major-mode @xref{Mode Help}. diff --git a/man/autotype.texi b/man/autotype.texi index 4a4e8af7030..9fd08fc1a6e 100644 --- a/man/autotype.texi +++ b/man/autotype.texi @@ -371,7 +371,7 @@ certain contexts. For example an escaped character stands for itself. the buffer. The main application for this function, as its name suggests, is to have it be called automatically every time an empty, and only an empty file is visited. This is accomplished by putting @code{(add-hook -'find-file-hooks 'auto-insert)} into your @file{~/.emacs} file +'find-file-hook 'auto-insert)} into your @file{~/.emacs} file (@pxref{(emacs)Init File}). @vindex auto-insert-alist @@ -473,7 +473,7 @@ that is updated too. An interesting application for this function is to have it be called automatically every time a file is saved. This is accomplished by putting -@code{(add-hook 'write-file-hooks 'copyright-update)} into your @file{~/.emacs} +@code{(add-hook 'write-file-functions 'copyright-update)} into your @file{~/.emacs} file (@pxref{(emacs)Init File}). @vindex copyright-query @@ -481,7 +481,7 @@ file (@pxref{(emacs)Init File}). copyright or whether to ask about it. When this is @code{nil} updating is only done with @kbd{M-x copyright-update}. When this is @code{function} you are queried whenever @code{copyright-update} is called as a function, -such as in the @code{write-file-hooks} feature mentioned above. Otherwise +such as in the @code{write-file-functions} feature mentioned above. Otherwise you are always queried. @@ -538,10 +538,10 @@ The ``interpreter'' used is @code{executable-self-display} with argument @cindex timestamps @findex time-stamp -@vindex write-file-hooks +@vindex write-file-functions The @code{time-stamp} command can be used to update automatically a template in a file with a new time stamp every time you save the file. -Customize the hook @code{write-file-hooks} to add the function +Customize the hook @code{write-file-functions} to add the function @code{time-stamp} to arrange this. @vindex time-stamp-active diff --git a/man/custom.texi b/man/custom.texi index ab4d9bae5ee..bbd474d7ba6 100644 --- a/man/custom.texi +++ b/man/custom.texi @@ -744,7 +744,7 @@ in @samp{-hooks} or @samp{-functions}, instead of @samp{-hook}. What makes these hooks abnormal is that there is something peculiar about the way its functions are called---perhaps they are given arguments, or perhaps the values they return are used in some way. For example, -@code{find-file-not-found-hooks} (@pxref{Visiting}) is abnormal because +@code{find-file-not-found-functions} (@pxref{Visiting}) is abnormal because as soon as one hook function returns a non-@code{nil} value, the rest are not called at all. The documentation of each abnormal hook variable explains in detail what is peculiar about it. diff --git a/man/files.texi b/man/files.texi index d15ec0ec034..082c2e1f959 100644 --- a/man/files.texi +++ b/man/files.texi @@ -320,21 +320,20 @@ does not add a final newline because of @code{require-final-newline}. If you already have visited the same file in the usual (non-literal) manner, this command asks you whether to visit it literally instead. -@vindex find-file-hooks -@vindex find-file-not-found-hooks +@vindex find-file-hook +@vindex find-file-not-found-functions Two special hook variables allow extensions to modify the operation of visiting files. Visiting a file that does not exist runs the functions -in the list @code{find-file-not-found-hooks}; this variable holds a list +in the list @code{find-file-not-found-functions}; this variable holds a list of functions, and the functions are called one by one (with no arguments) until one of them returns non-@code{nil}. This is not a -normal hook, and the name ends in @samp{-hooks} rather than @samp{-hook} +normal hook, and the name ends in @samp{-functions} rather than @samp{-hook} to indicate that fact. Successful visiting of any file, whether existing or not, calls the -functions in the list @code{find-file-hooks}, with no arguments. -This variable is really a normal hook, but it has an abnormal name for -historical compatibility. In the case of a nonexistent file, the -@code{find-file-not-found-hooks} are run first. @xref{Hooks}. +functions in the list @code{find-file-hook}, with no arguments. +This variable is a normal hook. In the case of a nonexistent file, the +@code{find-file-not-found-functions} are run first. @xref{Hooks}. There are several ways to specify automatically the major mode for editing the file (@pxref{Choosing Modes}), and to specify local @@ -832,7 +831,7 @@ Time-stamp: "" @end example Then add the hook function @code{time-stamp} to the hook -@code{write-file-hooks}; that hook function will automatically update +@code{write-file-functions}; that hook function will automatically update the time stamp, inserting the current date and time when you save the file. You can also use the command @kbd{M-x time-stamp} to update the time stamp manually. For other customizations, see the Custom group diff --git a/man/tramp.texi b/man/tramp.texi index c6f588b45ae..55bcacf2a32 100644 --- a/man/tramp.texi +++ b/man/tramp.texi @@ -11,7 +11,7 @@ @c Version values, for easy modification @c NOTE: The 'UPDATED' value is updated by the 'time-stamp' function. @c If you change it by hand, the modifications will not stay. -@set VERSION $Revision: 1.1 $ +@set VERSION $Revision: 1.2 $ @set UPDATED Monday, 17 June, 2002 @@ -1618,7 +1618,7 @@ mailing list. @c host and then send commands to it. @c Local Variables: -@c eval: (add-hook 'write-file-hooks 'time-stamp) +@c eval: (add-hook 'write-file-functions 'time-stamp) @c time-stamp-start: "@set UPDATED " @c time-stamp-format: "%:a, %:d %:b, %:y" @c time-stamp-end: "$"