1 GNU Emacs NEWS -- history of user-visible changes.
3 Copyright (C) 2010-2013 Free Software Foundation, Inc.
4 See the end of the file for license conditions.
6 Please send Emacs bug reports to bug-gnu-emacs@gnu.org.
7 If possible, use M-x report-emacs-bug.
9 This file is about changes in Emacs version 24.
11 See files NEWS.23, NEWS.22, NEWS.21, NEWS.20, NEWS.19, NEWS.18,
12 and NEWS.1-17 for changes in older Emacs versions.
14 You can narrow news to a specific version by calling `view-emacs-news'
15 with a prefix argument or by typing C-u C-h C-n.
18 +++ indicates that the appropriate manual has already been updated.
19 --- means no change in the manuals is called for.
20 When you add a new item, please add it without either +++ or ---
21 so we will look at it and add it to the manual.
24 * Installation Changes in Emacs 24.4
26 ** Emacs can be compiled with POSIX ACL support.
27 This happens by default if a suitable support library is found at
28 build time, like libacl on GNU/Linux. To prevent this, use the
29 configure option `--without-acl'.
31 * Startup Changes in Emacs 24.4
32 * Changes in Emacs 24.4
35 ** `apropos-variable' is now `apropos-user-option'
36 `apropos-user-option' shows all user options while `apropos-variable'
37 shows all variables. When called with a universal prefix argument,
38 the two commands swap their behaviors. When `apropos-do-all' is
39 non-nil, they output the same results.
42 ** `eval-defun' on an already defined defcustom calls the :set function,
45 ** The option `set-mark-default-inactive' has been deleted.
46 This unfinished feature was introduced by accident in Emacs 23.1;
47 simply disabling Transient Mark mode does the same thing.
49 ** `initial-buffer-choice' can now specify a function to set up the
52 ** ACL support has been added.
54 *** Emacs preserves the ACL entries of files when backing up.
56 *** New functions `file-acl' and `set-file-acl' get and set the ACL
57 entries of a file. On GNU/Linux, the POSIX ACL interface is used via
58 libacl. On MS-Windows, the NT Security APIs are used to emulate the
61 * Editing Changes in Emacs 24.4
63 ** New commands `toggle-frame-fullscreen' and `toggle-frame-maximized',
64 bound to <f11> and M-<f10>, respectively.
67 * Changes in Specialized Modes and Packages in Emacs 24.4
69 ** completing-read-multiple's separator can now be a regexp.
70 The default separator is changed to allow surrounding spaces around the comma.
74 *** Battery information via the BSD `apm' utility is now supported.
78 *** New macro cl-tagbody.
81 *** letf is now just an alias for cl-letf.
85 *** Calc by default now uses the Gregorian calendar for all dates, and
86 uses January 1, 1 AD as its day number 1. Previously Calc used the
87 Julian calendar for dates before September 14, 1752, and it used
88 December 31, 1 BC as its day number 1; the new scheme is more
89 consistent with Calendar's calendrical system and day numbering.
91 *** The new variable `calc-gregorian-switch' lets you configure the
92 date when Calc switches from the Julian to the Gregorian calendar.
93 Nil, the default value, means to always use the Gregorian calendar.
94 The value (YEAR MONTH DAY) means to start using the Gregorian calendar
99 *** New option `erc-accidental-paste-threshold-seconds'.
100 If set to a number, this can be used to avoid accidentally paste large
101 amounts of data into the ERC input.
103 ** Icomplete is a bit more like IDO.
104 *** key bindings to navigate through and select the completions.
105 *** The icomplete-separator is customizable, and its default has changed.
106 *** Removed icomplete-show-key-bindings.
110 *** `C-x 8 RET' in Isearch mode reads a character by its Unicode name
111 and adds it to the search string.
113 ** MH-E has been updated to MH-E version 8.4.
114 See MH-E-NEWS for details.
117 ** The unrmail command converts from BABYL to mboxrd rather than mboxo.
118 Customize `unrmail-mbox-format' to change this.
121 ** Similarly, customize `rmail-mbox-format' to influence some minor aspects
122 of how Rmail displays non-MIME messages.
125 ** New function `ses-rename-cell' to give SES cells arbitrary names.
127 ** trace-function was largely rewritten.
128 New features include:
129 - no prompting for the destination buffer, unless a prefix-arg was used.
130 - additionally to prompting for a destination buffer, when a prefix-arg is
131 used, the user can enter a "context", i.e. Lisp expression whose value at the
132 time the function is entered/exited will be printed along with the function
133 name and arguments. Useful to trace the value of (current-buffer) or
134 (point) when the function is invoked.
136 ** New command `delete-duplicate-lines' has two types of operation:
137 when its arg ADJACENT is non-nil (when called interactively with C-u C-u)
138 it works like the utility `uniq'. Otherwise by default it deletes
139 duplicate lines everywhere in the region without regard to adjacency.
143 *** New connection method "adb", which allows to access Android
144 devices by the Android Debug Bridge. The variable `tramp-adb-sdk-dir'
145 must be set to the Android SDK installation directory.
147 *** Handlers for `file-acl' and `set-file-acl' for remote machines
148 which support POSIX ACLs.
152 *** The commands `woman-default-faces' and `woman-monochrome-faces'
153 are obsolete. Customize the `woman-* faces instead.
155 ** Obsolete packages:
157 *** longlines.el is obsolete; use visual-line-mode instead.
159 *** terminal.el is obsolete; use term.el instead.
162 * New Modes and Packages in Emacs 24.4
163 ** New nadvice.el package offering lighter-weight advice facilities.
165 - add-function/remove-function which can be used to add/remove code on any
166 function-carrying place, such as process-filters or `<foo>-function' hooks.
167 - advice-add/advice-remove to add/remove a piece of advice on a named function,
168 much like `defadvice' does.
170 * Incompatible Lisp Changes in Emacs 24.4
172 ** frame-local variables that affect redisplay do not work any more.
173 More specifically, the redisplay does not bother to check for a frame-local
174 value when looking up variables.
176 ** nil and "unbound" are indistinguishable in symbol-function.
177 `symbol-function' never signals `void-function' any more.
178 `fboundp' returns non-nil if the symbol was `fset' to nil.
180 ** `defadvice' does not honor the `freeze' flag and cannot advise
181 special-forms any more.
183 ** `dolist' in lexical-binding mode does not bind VAR in RESULT any more.
184 VAR was bound to nil which was not tremendously useful and just lead to
185 spurious warnings about an unused var.
187 ** The return value of `backup-buffer' has changed.
188 The second argument is no longer an SELinux context, instead it is an
189 alist of extended attributes as returned by the new function
190 `file-extended-attributes'. The attributes can be applied to another
191 file using `set-file-extended-attributes'.
193 * Lisp changes in Emacs 24.4
195 ** Support for filesystem notifications.
196 Emacs now supports notifications of filesystem changes, such as
197 creation, modification, and deletion of files. This requires the
198 'inotify' API on GNU/Linux systems. On MS-Windows systems, this is
199 supported for Windows XP and newer versions.
203 *** The `face-spec-set' is now analogous to `setq' for face specs.
204 Its third arg now accepts values specifying exactly which face spec to
205 set (defface, custom, or user spec), and it directly sets the relevant
206 property using the supplied face spec.
208 *** Face specs set via Custom themes now replace the `defface' spec
209 rather than inheriting from it (as do face specs set via Customize).
211 *** New face characteristic (supports :underline (:style wave))
212 specifies whether or not the terminal can display a wavy line.
214 ** time-to-seconds is not obsolete any more.
215 ** New function special-form-p.
216 ** Docstrings can be made dynamic by adding a `dynamic-docstring-function'
217 text-property on the first char.
219 ** The `defalias-fset-function' property lets you catch calls to defalias
220 and redirect them to your own function instead of `fset'.
222 ** The 9th element returned by `file-attributes' is now unspecified.
223 Formerly, it was t if the file's gid would change if file were deleted
224 and recreated. This value has been inaccurate for years on many
225 platforms, and nobody seems to have noticed or cared.
227 ** The function `file-ownership-preserved-p' now has an optional
228 argument GROUP which causes it check for file group too. This can be
229 used in place of the 9th element of `file-attributes'.
231 ** New functions `group-gid' and `group-real-gid'.
233 ** The 6th argument to `copy-file' has been renamed to
234 `preserve-extended-attributes' as it now handles both SELinux context
237 * Changes in Emacs 24.4 on non-free operating systems
240 ** The "generate a backtrace on fatal error" feature now works on MS Windows.
241 The backtrace is written to the 'emacs_backtrace.txt' file in the
242 directory where Emacs was running.
245 * Installation Changes in Emacs 24.3
247 ** The default X toolkit is now Gtk+ version 3.
248 If you don't pass `--with-x-toolkit' to configure, or if you use
249 `--with-x-toolkit=gtk' or `--with-x-toolkit=yes', configure will try
250 to build with Gtk+ version 3, and if that fails, try Gtk+ version 2.
251 You can explicitly require a specific version by passing
252 `--with-x-toolkit=gtk2' or `--with-x-toolkit=gtk3' to configure.
254 ** New configure option `--enable-link-time-optimization', to utilize
255 an appropriate feature provided by GCC since version 4.5.0.
257 ** New configure option `--without-all' to disable most of the optional
258 features (image support, etc.) that are normally enabled by default.
260 ** New configure option `--enable-gcc-warnings' (for developing/debugging
261 Emacs). If building with GCC, this enables compile-time checks that
262 warn about possibly-questionable C code. On a recent GNU system there
263 should be no warnings; on older and on non-GNU systems the generated
264 warnings may be useful.
266 ** The configure option `--enable-use-lisp-union-type' has been
267 renamed to `--enable-check-lisp-object-type', as the resulting
268 Lisp_Object type no longer uses a union to implement the compile time
269 check that this option enables.
271 ** The configure option `--disable-maintainer-mode' has been removed,
272 as it was confusingly-named and rarely useful.
274 ** The configure options `--program-prefix', `--program-suffix', and
275 `--program-transform-name' apply to more than just the installed
276 binaries. Now they also affect the man pages, icons, and the
277 etc/emacs.desktop file; but not the info pages, since this would break
278 links between the various manuals.
280 ** You can use `NO_BIN_LINK=t make install' to prevent the installation
281 overwriting "emacs" in the installation bin/ directory with a link
284 ** Emacs uses libtinfo in preference to libncurses, if available.
286 ** On FreeBSD and NetBSD, configure no longer adds /usr/local/lib and
287 /usr/pkg/lib to the linker search path. You must add them yourself if
290 ** The standalone scripts `rcs-checkin' and `vcdiff' have been removed
291 (from the bin and libexec directories, respectively). The former is
292 no longer relevant, the latter is replaced by lisp (in vc-sccs.el).
295 * Startup Changes in Emacs 24.3
297 ** Emacs no longer searches for `leim-list.el' files beneath the standard
298 lisp/ directory. There should not be any there anyway. If you have
299 been adding them there, put them somewhere else; e.g., site-lisp.
301 ** The `--no-site-lisp' command line option now works for Nextstep builds.
304 * Changes in Emacs 24.3
308 *** `C-h f' (`describe-function') can now perform autoloading.
309 When this command is called for an autoloaded function whose docstring
310 contains a key substitution construct, that function's library is
311 automatically loaded, so that the documentation can be shown
312 correctly. To disable this, set `help-enable-auto-load' to nil.
314 *** `C-h f' now reports previously-autoloaded functions as "autoloaded",
315 even after their associated libraries have been loaded (and the
316 autoloads have been redefined as functions).
320 *** Images displayed via ImageMagick now support transparency and the
321 :background image specification property.
323 *** When available, ImageMagick support is automatically enabled.
324 It is no longer necessary to call `imagemagick-register-types'
325 explicitly to install ImageMagick image types; that function is called
326 automatically at startup, or when customizing an imagemagick- option.
328 *** Setting `imagemagick-types-inhibit' to t now disables the use of
329 ImageMagick to view images. (You must call `imagemagick-register-types'
330 afterwards if you do not use customize to change this.)
332 *** The new variable `imagemagick-enabled-types' also affects which
333 ImageMagick types are treated as images. The function
334 `imagemagick-filter-types' returns the list of types that will be
339 *** In minibuffer filename prompts, `C-M-f' and `C-M-b' now move to the
340 next and previous path separator, respectively.
342 *** `minibuffer-electric-default-mode' can shorten "(default ...)" to "[...]"
343 in minibuffer prompts. Just set `minibuffer-eldef-shorten-default'
344 non-nil before enabling the mode.
348 *** New option `mode-line-default-help-echo' specifies the help text
349 (shown in a tooltip or in the echo area) for any part of the mode line
350 that does not have its own specialized help text.
352 *** You can now click mouse-3 in the coding system indicator to invoke
353 `set-buffer-file-coding-system'.
357 *** emacsclient now obeys string values for `initial-buffer-choice',
358 if it is told to open a new frame without specifying any file to visit
359 or expression to evaluate.
361 *** New option `server-auth-key' specifies a shared server key.
363 ** Emacs now generates backtraces on fatal errors.
364 On encountering a fatal error, Emacs now outputs a textual description
365 of the fatal signal, and a short backtrace on platforms like glibc
366 that support backtraces.
368 ** `C-x C-q' is now bound to the new minor mode `read-only-mode'.
369 This minor mode replaces `toggle-read-only', which is now obsolete.
371 ** Most `y-or-n' prompts now allow you to scroll the selected window.
372 Typing `C-v' or `M-v' at a y-or-n prompt scrolls forward or backward
373 respectively, without exiting from the prompt.
375 ** In the Package Menu, newly-available packages are listed as "new",
376 and sorted above the other "available" packages by default.
378 ** If your Emacs was built from a bzr checkout, the new variable
379 `emacs-bzr-version' contains information about the bzr revision used.
381 ** New option `create-lockfiles' specifies usage of lockfiles.
382 It defaults to t. Changing it to nil inhibits the creation of lock
383 files (use this with caution).
385 ** New option `enable-remote-dir-locals', if non-nil, allows directory-local
386 variables on remote hosts.
388 ** The entry for PCL-CVS has been removed from the Tools menu.
389 The PCL-CVS commands are still available via the keyboard.
391 ** Using "unibyte: t" in Lisp source files is obsolete.
392 Use "coding: raw-text" instead.
394 ** Internationalization
396 *** New language environment: Persian.
398 *** New input method `vietnamese-vni'.
400 ** Nextstep (GNUstep / Mac OS X) port
402 *** Support for fullscreen and the frame parameter fullscreen.
404 *** A file dialog is used for open/save operations initiated from the
408 * Editing Changes in Emacs 24.3
410 ** Search and Replace
412 *** Non-regexp Isearch now performs "lax" space matching.
413 Each sequence of spaces in the supplied search string may match any
414 sequence of one or more whitespace characters, as specified by the
415 variable `search-whitespace-regexp'. (This variable is also used by a
416 similar existing feature for regexp Isearch.)
418 *** New Isearch command `M-s SPC' toggles lax space matching.
419 This applies to both ordinary and regexp Isearch.
421 *** New option `replace-lax-whitespace'.
422 If non-nil, `query-replace' uses flexible whitespace matching too.
425 *** Global `M-s _' starts a symbol (identifier) incremental search,
426 and `M-s _' in Isearch toggles symbol search mode.
427 `M-s c' in Isearch toggles search case-sensitivity.
429 ** Navigation commands
431 *** New binding `M-g c' for `goto-char'.
433 *** New binding `M-g TAB' for `move-to-column'.
435 *** `M-g TAB' (`move-to-column') prompts for a column number if called
436 interactively with no prefix arg. Previously, it moved to column 1.
438 ** New option `yank-handled-properties' allows processing of text
439 properties on yanked text, in ways that are more general than just
440 removing them (as is done by `yank-excluded-properties').
442 ** New option `delete-trailing-lines' specifies whether
443 M-x delete-trailing-whitespace should delete trailing lines at the end
444 of the buffer. It defaults to t.
446 ** `C-u M-=' now counts lines/words/characters in the entire buffer.
448 ** `C-x 8 RET' is now bound to `insert-char', which is now a command.
449 `ucs-insert' is now an obsolete alias for `insert-char'.
451 ** The `z' key no longer has a binding in most special modes.
452 It used to be bound to `kill-this-buffer', but `z' is too easy to
455 ** New command `C-x r M-w' (`copy-rectangle-as-kill').
456 It copies the region-rectangle as the last rectangle kill.
460 *** `C-x r +' is now overloaded to invoke `append-to-register'.
462 *** New option `register-separator' specifies the register containing
463 the text to put between collected texts for use with
464 M-x append-to-register and M-x prepend-to-register.
467 * Changes in Specialized Modes and Packages in Emacs 24.3
469 ** Common Lisp emulation (CL)
471 *** CL's main entry is now (require 'cl-lib).
472 `cl-lib' is like the old `cl' except that it uses the namespace cleanly;
473 i.e., all its definitions have the "cl-" prefix (and internal definitions
474 use the "cl--" prefix).
476 If `cl' provided a feature under the name `foo', then `cl-lib'
477 provides it under the name `cl-foo' instead; with the exceptions of the
478 few `cl' definitions that had to use `foo*' to avoid conflicts with
479 pre-existing Elisp entities. These have been renamed to `cl-foo'
480 rather than `cl-foo*'.
482 The old `cl' is now deprecated and is mainly just a bunch of aliases that
483 provide the old, non-prefixed names. Some exceptions are listed below:
485 *** `cl-flet' is not like `flet' (which is deprecated).
486 Instead it obeys the behavior of Common-Lisp's `flet'.
487 In particular, in cl-flet function definitions are lexically scoped,
488 whereas in flet the scoping is dynamic.
490 *** `cl-labels' is slightly different from `labels'.
491 The difference is that it relies on the `lexical-binding' machinery
492 (as opposed to the `lexical-let' machinery used previously) to capture
493 definitions in closures, so such closures will only work if `lexical-binding'
496 *** `cl-letf' is not exactly like `letf'.
497 The only difference is in details that relate to some deprecated usage
498 of `symbol-function' in place forms.
500 *** `progv' was rewritten to use the `let' machinery.
501 A side effect is that variables without corresponding values are bound
502 to nil rather than being made unbound.
504 *** The following methods of extending `setf' are obsolete
505 (use features from gv.el instead):
506 `define-modify-macro' (use `gv-letplace')
507 `defsetf' (use `gv-define-simple-setter' or `gv-define-setter')
508 `define-setf-expander' (use `gv-define-setter' or `gv-define-expander')
509 `get-setf-method' no longer exists (see "Incompatible Lisp Changes")
513 *** Changes are now highlighted using the same color scheme as in
514 modern VCSes. Deletions are displayed in red (new faces
515 `diff-refine-removed' and `smerge-refined-removed', and new definition
516 of `diff-removed'), insertions in green (new faces `diff-refine-added'
517 and `smerge-refined-added', and new definition of `diff-added').
519 *** The variable `diff-use-changed-face' defines whether to use the
520 face `diff-changed', or `diff-removed' and `diff-added' to highlight
521 changes in context diffs.
523 *** The new command `diff-delete-trailing-whitespace' removes trailing
524 whitespace introduced by a diff.
526 ** Ediff now uses the same color scheme as Diff mode.
530 A new version of python.el, which provides several new features, including:
531 per-buffer shells, better indentation, Python 3 support, and improved
532 shell-interaction compatible with iPython (and virtually any other
535 *** Some user options have been replaced/renamed, including (old -> new):
536 **** python-indent -> python-indent-offset
537 **** python-guess-indent -> python-indent-guess-indent-offset
538 **** python-pdbtrack-do-tracking-p -> python-pdbtrack-activate
539 **** python-use-skeletons -> python-skeleton-autoinsert
541 *** Some user options have been removed, including:
543 **** `python-indent-string-contents': Strings are never indented.
545 **** `python-honour-comment-indentation':
546 Comments are always considered as indentation markers.
548 **** `python-continuation-offset': Indentation is automatically
549 calculated in a pep8 compliant way depending on the context.
551 **** `python-shell-prompt-alist', `python-shell-continuation-prompt-alist':
552 Have no direct mapping as the shell interaction is completely different.
554 **** `python-python-command', `python-jython-command':
555 Replaced by `python-shell-interpreter'.
557 **** `inferior-python-filter-regexp', `python-remove-cwd-from-path',
558 `python-pdbtrack-minor-mode-string', `python-source-modes':
561 *** Some commands have been replaced (old -> new):
562 **** python-insert-class -> python-skeleton-class
563 **** python-insert-def -> python-skeleton-def
564 **** python-insert-for -> python-skeleton-for
565 **** python-insert-if -> python-skeleton-if
566 **** python-insert-try/except -> python-skeleton-try
567 **** python-insert-try/finally -> python-skeleton-try
568 **** python-insert-while -> python-skeleton-while
569 **** python-find-function -> python-nav-jump-to-defun
570 **** python-next-statement -> python-nav-forward-sentence
571 **** python-previous-statement -> python-nav-backward-sentence
572 **** python-beginning-of-defun-function -> python-nav-beginning-of-defun
573 **** python-end-of-defun-function -> python-nav-end-of-defun
574 **** python-send-buffer -> python-shell-send-buffer
575 **** python-send-defun -> python-shell-send-defun
576 **** python-send-region -> python-shell-send-region
577 **** python-send-region-and-go -> emulate with python-shell-send-region
578 and python-shell-switch-to-shell
579 **** python-send-string -> python-shell-send-string
580 **** python-switch-to-python -> python-shell-switch-to-shell
581 **** python-describe-symbol -> python-eldoc-at-point
585 *** New variables `dbus-compiled-version' and `dbus-runtime-version'.
587 *** The D-Bus object manager interface is implemented.
589 *** Variables of type :(u)int32 and :(u)int64 accept floating points,
590 if their value does not fit into Emacs's integer range.
592 *** The function `dbus-call-method' is now non-blocking.
593 It can be interrupted by `C-g'. `dbus-call-method-non-blocking' is obsolete.
595 *** Signals can also be sent as unicast messages.
597 *** The argument list of `dbus-register-signal' has been extended,
598 according to the new match rule types of D-Bus.
600 *** `dbus-init-bus' supports private connections.
602 *** There is a new function `dbus-setenv'.
604 ** `desktop-path' no longer includes the "." directory.
605 Desktop files are now located in ~/.emacs.d by default.
609 *** `dired-do-async-shell-command' executes each file sequentially
610 if the command ends in `;' (when operating on multiple files).
611 Otherwise, it executes the command on each file in parallel.
613 *** Typing `M-n' in the minibuffer of `dired-do-chmod', `dired-do-chgrp',
614 `dired-do-chown', and `dired-do-touch' yanks the attributes of the
617 *** When the region is active, `m' (`dired-mark'), `u' (`dired-unmark'),
618 `DEL' (`dired-unmark-backward'), and `d' (`dired-flag-file-deletion')
619 mark/unmark/flag all files in the active region.
621 *** The minibuffer default for `=' (`dired-diff) has changed.
622 It is now the backup file for the file at point, if one exists.
623 In Transient Mark mode the default is the file at the active mark.
625 *** `M-=' is no longer bound to `dired-backup-diff' in Dired buffers.
626 The global binding for `M-=', `count-words-region' is in effect.
630 *** New module "notifications", which can send a notification when you
631 receive a private message or your nickname is mentioned.
633 *** ERC will look up server/channel names via auth-source and use any
636 *** New option `erc-lurker-hide-list', similar to `erc-hide-list', but
637 only applies to messages sent by lurkers.
639 ** reStructuredText mode
641 *** Keybindings (see `C-c C-h'), TAB indentation, filling and auto-filling,
642 fontification, comment handling, and customization have all been revised
645 *** Support for `imenu' and `which-function-mode'.
647 *** The reStructuredText syntax is more closely covered.
648 Sphinx support has been improved.
650 *** `rst-insert-list' inserts new list or continues existing lists.
652 *** A negative prefix argument always works for `rst-adjust'.
654 *** The window configuration is reset after displaying a TOC.
656 *** The constant `rst-version' describes the rst.el package version.
660 *** Pairing of parens/quotes uses `electric-pair-mode' instead of skeleton-pair.
662 *** `sh-electric-here-document-mode' now controls auto-insertion of here-docs.
664 *** `sh-use-smie' lets you choose a new indentation and navigation code.
668 *** The free software compiler GHDL is supported (and now the default).
670 *** Support for the VHDL-AMS packages has been added/updated.
672 *** Updated to the 2002 revision of the VHDL standard.
674 *** Accepts \r and \f as whitespace.
678 *** The faces used by Apropos are now directly customizable.
679 These faces are named `apropos-symbol', `apropos-keybinding', and so on;
680 see the `apropos' Custom group for details.
682 *** The old options whose values specified faces to use have been removed
683 (i.e. `apropos-symbol-face', `apropos-keybinding-face', etc.).
687 *** This package has been rewritten to use Tabulated List mode.
689 *** Option `Buffer-menu-buffer+size-width' is now obsolete.
690 Use `Buffer-menu-name-width' and `Buffer-menu-size-width' instead.
694 *** You can customize the header text that appears above each calendar month.
695 See the variable `calendar-month-header'.
697 *** New LaTeX calendar style, produced by `cal-tex-cursor-week2-summary'.
699 *** The calendars produced by cal-html include holidays.
700 Customize `cal-html-holidays' to change this.
702 ** Compile has a new option `compilation-always-kill'.
706 *** `custom-reset-button-menu' now defaults to t.
708 *** Non-option variables are never matched in `customize-apropos' and
709 `customize-apropos-options' (i.e., the prefix argument does nothing for
714 *** The variables `term-default-fg-color' and `term-default-bg-color'
715 are now deprecated in favor of the customizable face `term'.
717 *** You can customize how to display ANSI terminal colors and styles
718 by customizing the corresponding `term-color-<COLOR>',
719 `term-color-underline' and `term-color-bold' faces.
723 *** The syntax has been extended in order to allow ad-hoc proxy definitions.
725 *** Remote processes are now also supported on remote MS-Windows hosts.
729 *** Structs made by `url-generic-parse-url' have nil `attributes' slot.
730 Previously, this slot stored semicolon-separated attribute-value pairs
731 appended to some imap URLs, but this is not compatible with RFC 3986.
732 So now the `filename' slot stores the entire path and query components,
733 and the `attributes' slot is always nil.
735 *** New function `url-encode-url' for encoding a URI string.
736 The `url-retrieve' function now uses this to encode its URL argument,
737 in case that is not properly encoded.
739 ** notifications.el supports now version 1.2 of the Notifications API.
740 The function `notifications-get-capabilities' returns the supported
743 ** Flymake uses fringe bitmaps to indicate errors and warnings.
744 See `flymake-fringe-indicator-position', `flymake-error-bitmap' and
745 `flymake-warning-bitmap'.
747 ** The FFAP option `ffap-url-unwrap-remote' can now be a list of strings,
748 specifying URL types that should be converted to remote file names at
749 the FFAP prompt. The default is now '("ftp").
751 ** New Ibuffer `derived-mode' filter, bound to `/ M'.
752 The old binding for `/ M' (filter by used-mode) is now bound to `/ m'.
754 ** New option `mouse-avoidance-banish-position' specifies where the
755 `banish' mouse avoidance setting moves the mouse.
757 ** In Perl mode, new option `perl-indent-parens-as-block' causes non-block
758 closing brackets to be aligned with the line of the opening bracket.
760 ** In Proced mode, new command `proced-renice' renices marked processes.
762 ** New option `async-shell-command-buffer' specifies the buffer to use
763 for a new asynchronous `shell-command' when the default output buffer
764 `*Async Shell Command*' is already in use.
766 ** SQL mode has a new option `sql-db2-escape-newlines'.
767 If non-nil, newlines sent to the command interpreter will be escaped
768 by a backslash. The default does not escape the newlines and assumes
769 that the sql statement will be terminated by a semicolon.
771 ** New command `tabulated-list-sort', bound to `S' in Tabulated List mode
772 (and modes that derive from it), sorts the column at point, or the Nth
773 column if a numeric prefix argument is given.
775 ** `which-func-modes' now defaults to t, so Which Function mode, when
776 enabled, applies to all applicable major modes.
778 ** `winner-mode-hook' now runs when the mode is disabled, as well as when
781 ** Follow mode no longer works by using advice.
782 The option `follow-intercept-processes' has been removed.
784 ** `javascript-generic-mode' is now an obsolete alias for `js-mode'.
786 ** Hooks renamed to avoid obsolete "-hooks" suffix:
787 *** semantic-lex-reset-hooks -> semantic-lex-reset-functions
788 *** semantic-change-hooks -> semantic-change-functions
789 *** semantic-edits-new-change-hooks -> semantic-edits-new-change-functions
790 *** semantic-edits-delete-change-hooks -> semantic-edits-delete-change-functions
791 *** semantic-edits-reparse-change-hooks -> semantic-edits-reparse-change-functions
792 *** semanticdb-save-database-hooks -> semanticdb-save-database-functions
793 *** c-prepare-bug-report-hooks -> c-prepare-bug-report-hook
794 *** rcirc-sentinel-hooks -> rcirc-sentinel-functions
795 *** rcirc-receive-message-hooks -> rcirc-receive-message-functions
796 *** rcirc-activity-hooks -> rcirc-activity-functions
797 *** rcirc-print-hooks -> rcirc-print-functions
798 *** dbus-event-error-hooks -> dbus-event-error-functions
799 *** eieio-pre-method-execution-hooks -> eieio-pre-method-execution-functions
800 *** checkdoc-style-hooks -> checkdoc-style-functions
801 *** checkdoc-comment-style-hooks -> checkdoc-comment-style-functions
802 *** archive-extract-hooks -> archive-extract-hook
803 *** filesets-cache-fill-content-hooks -> filesets-cache-fill-content-hook
804 *** hfy-post-html-hooks -> hfy-post-html-hook
805 *** nndiary-request-create-group-hooks -> nndiary-request-create-group-functions
806 *** nndiary-request-update-info-hooks -> nndiary-request-update-info-functions
807 *** nndiary-request-accept-article-hooks -> nndiary-request-accept-article-functions
808 *** gnus-subscribe-newsgroup-hooks -> gnus-subscribe-newsgroup-functions
813 In most cases, assoc+member+push+delq work just as well.
814 And in any case it's just a terrible package: ugly semantics, terrible
815 inefficiency, and not namespace-clean.
824 * Incompatible Lisp Changes in Emacs 24.3
826 ** Docstrings starting with `*' no longer indicate user options.
827 Only variables defined using `defcustom' are considered user options.
828 The function `user-variable-p' is now an obsolete alias for
831 ** The return values of `defalias', `defun' and `defmacro' have changed,
832 and are now undefined. For backwards compatibility, `defun' and
833 `defmacro' currently return the name of the newly defined
834 function/macro, but this should not be relied upon.
836 ** `random' by default now returns a different random sequence in
837 every Emacs run. Use `(random S)', where S is a string, to set the
838 random seed to a value based on S, in order to get a repeatable
839 sequence in later calls.
841 ** If the NEWTEXT arg to `replace-match' contains a substring "\?",
842 that substring is inserted literally even if the LITERAL arg is
843 non-nil, instead of causing an error to be signaled.
845 ** `select-window' now always makes the window's buffer current.
846 It does so even if the window was selected before.
848 ** The function `x-select-font' can return a font spec, instead of a
849 font name as a string. Whether it returns a font spec or a font name
850 depends on the graphical library.
852 ** `face-spec-set' no longer sets frame-specific attributes when the
853 third argument is a frame (that usage was obsolete since Emacs 22.2).
855 ** `set-buffer-multibyte' now signals an error in narrowed buffers.
857 ** The CL package's `get-setf-method' function no longer exists.
858 Generalized variables are now part of core Emacs Lisp, and implemented
859 differently to the way cl.el used to do it. It is not possible to
860 define a compatible replacement for `get-setf-method'. See the file
861 gv.el for internal details of the new implementation.
863 ** The arguments of `dbus-register-signal' are no longer just strings,
864 but keywords or keyword-string pairs. The old argument list will
865 still be supported for Emacs 24.x.
867 ** Miscellaneous name changes
868 Some Lisp symbols have been renamed to correct their spelling,
869 or to be more consistent with standard Emacs terminology.
871 *** Renamed functions
872 **** hangul-input-method-inactivate -> hangul-input-method-deactivate
873 **** inactivate-input-method -> deactivate-input-method
874 **** quail-inactivate -> quail-deactivate
875 **** robin-inactivate -> robin-deactivate
876 **** viper-inactivate-input-method -> viper-deactivate-input-method
877 **** viper-inactivate-input-method-action ->
878 viper-deactivate-input-method-action
879 **** ucs-input-inactivate -> ucs-input-deactivate
882 The old hooks are still supported for backward compatibility, but they
883 are deprecated and will be removed eventually.
884 **** input-method-inactivate-hook -> input-method-deactivate-hook
885 **** robin-inactivate-hook -> robin-deactivate-hook
886 **** quail-inactivate-hook -> quail-deactivate-hook
888 *** Renamed variables
889 **** follow-deactive-menu -> follow-inactive-menu
890 **** inactivate-current-input-method-function ->
891 deactivate-current-input-method-function
893 ** Some obsolete functions, variables, and faces have been removed:
894 *** `last-input-char', `last-command-char', `unread-command-char'
895 *** `facemenu-unlisted-faces'
896 *** `rmail-decode-mime-charset'
897 *** `iswitchb-read-buffer'
898 *** `sc-version', `sc-submit-bug-report'
899 *** `set-char-table-default'
900 *** `string-to-sequence' (use `string-to-list' or `string-to-vector')
901 *** `compile-internal'
903 *** `mode-line-inverse-video'
904 *** `follow-mode-off-hook'
905 *** `cvs-commit-buffer-require-final-newline'
906 (use `log-edit-require-final-newline' instead)
907 *** `cvs-changelog-full-paragraphs'
908 (use `log-edit-changelog-full-paragraphs' instead)
909 *** `cvs-diff-ignore-marks', `cvs-diff-buffer-name'
910 *** `vc-ignore-vc-files' (use `vc-handled-backends' instead)
911 *** `vc-master-templates' (use `vc-handled-backends' instead)
912 *** `vc-checkout-carefully'
915 * Lisp changes in Emacs 24.3
917 ** CL-style generalized variables are now in core Elisp.
918 `setf' is autoloaded; `push' and `pop' accept generalized variables.
919 You can define your own generalized variables using `gv-define-simple-setter',
920 `gv-define-setter', etc.
922 ** Emacs tries to macroexpand interpreted (non-compiled) files during load.
923 This can significantly speed up execution of non-byte-compiled code,
924 but can also bump into previously unnoticed cyclic dependencies.
925 These are generally harmless: they will simply cause the macro calls
926 to be left for later expansion (as before), but will result in a
927 warning ("Eager macro-expansion skipped due to cycle") describing the cycle.
928 You may wish to restructure your code so this does not happen.
930 ** New sampling-based Elisp profiler.
931 Try M-x profiler-start, do some work, and then call M-x profiler-report.
932 When finished, use M-x profiler-stop. The sampling rate can be based on
933 CPU time or memory allocations.
935 ** `defun' also accepts a (declare DECLS) form, like `defmacro'.
936 The interpretation of the DECLS is determined by `defun-declarations-alist'.
938 ** New macros `setq-local' and `defvar-local'.
940 ** Face underlining can now use a wave.
942 ** `read-regexp' has a new argument HISTORY; the first argument PROMPT
943 of `read-regexp' accepts a string ending with a colon and space, and its
944 second argument DEFAULTS can be a list of strings accessible via `M-n'
945 in the minibuffer ahead of other hard-coded useful regexp-related values.
946 More commands use `read-regexp' now to read their regexp arguments.
950 *** New function `completion-table-with-quoting' to handle completion
951 in the presence of quoting, such as file completion in shell buffers.
953 *** New function `completion-table-subvert' to use an existing completion
954 table, but with a different prefix.
958 *** New error type and new function `user-error'.
959 These do not trigger the debugger.
961 *** New option `debugger-bury-or-kill', saying what to do with the
962 debugger buffer when exiting debug.
964 *** Set `debug-on-message' to enter the debugger when a certain
965 message is displayed in the echo area. This can be useful when trying
966 to work out which code is doing something.
968 *** New var `inhibit-debugger', automatically set to prevent accidental
969 recursive invocations.
973 *** New command `fit-frame-to-buffer' adjusts the frame height to
976 *** The command `fit-window-to-buffer' can adjust the frame height
977 if the new option `fit-frame-to-buffer' is non-nil.
979 *** New macro `with-temp-buffer-window', similar to
980 `with-output-to-temp-buffer'.
982 *** `temp-buffer-resize-mode' no longer resizes windows that have been
985 *** New option `switch-to-buffer-preserve-window-point' to restore a
986 window's point when switching buffers.
988 *** New display action alist entries `window-height' and `window-width'
989 specify the size of new windows created by `display-buffer'.
991 *** New display action alist entry `pop-up-frame-parameters', if
992 non-nil, specifies frame parameters to give any newly-created frame.
994 *** New display action alist entry `inhibit-switch-frame', if non-nil,
995 tells display action functions to avoid changing which frame is
998 *** New display action alist entry `previous-window', if non-nil,
999 specifies window to reuse in `display-buffer-in-previous-window'.
1001 *** New display action functions `display-buffer-below-selected',
1002 and `display-buffer-in-previous-window'.
1004 *** The functions `get-lru-window', `get-mru-window' and `get-largest-window'
1005 now accept a third argument to avoid choosing the selected window.
1007 *** Additional values recognized for option `window-combination-limit'.
1009 *** The following variables are obsolete, as they can be replaced by
1010 appropriate entries in the `display-buffer-alist' function introduced
1012 **** `dired-shrink-to-fit'
1013 **** `display-buffer-reuse-frames'
1014 **** `display-buffer-function'
1015 **** `special-display-buffer-names'
1016 **** `special-display-frame-alist'
1017 **** `special-display-function'
1018 **** `special-display-regexps'
1022 *** `current-time-string' no longer requires that its argument's year
1023 must be in the range 1000..9999. It now works with any year supported
1024 by the underlying C implementation.
1026 *** `current-time' now returns extended-format time stamps
1027 (HIGH LOW USEC PSEC), where the new PSEC slot specifies picoseconds.
1028 PSEC is typically a multiple of 1000 on current machines. Other
1029 functions that use this format, such as `file-attributes' and
1030 `format-time-string', have been changed accordingly. Old-format time
1031 stamps are still accepted.
1033 *** The format of timers in `timer-list' and `timer-idle-list' is now
1034 [TRIGGERED-P HI-SECS LO-SECS USECS REPEAT-DELAY FUNCTION ARGS IDLE-DELAY PSECS].
1035 The PSECS slot is new, and uses picosecond resolution. It can be
1036 accessed via the new `timer--psecs' accessor.
1038 *** Last-modified time stamps in undo lists now are of the form
1039 (t HI-SECS LO-SECS USECS PSECS) instead of (t HI-SECS . LO-SECS).
1041 ** Floating point functions now always return special values like NaN,
1042 instead of signaling errors, if given invalid args; e.g., (log -1.0).
1043 Previously, they returned NaNs on some platforms but signaled errors
1044 on others. The affected functions are acos, asin, tan, exp, expt,
1045 log, log10, sqrt, and mod.
1047 ** New fringe bitmap `exclamation-mark'.
1049 ** Miscellaneous changes to special forms and macros
1051 *** `defun' and `defmacro' are now macros rather than special forms.
1053 *** `kbd' is now a function rather than a macro.
1055 ** Miscellaneous new functions
1057 *** `set-temporary-overlay-map' sets up a temporary keymap that
1058 takes precedence over most other maps for a short while (normally one key).
1060 *** `autoloadp' tests if its argument is an autoloaded object.
1062 *** `autoload-do-load' performs the autoloading operation.
1064 *** `buffer-narrowed-p' tests if the buffer is narrowed.
1066 *** `file-name-base' returns a file name sans directory and extension.
1068 *** `function-get' fetches a function property, following aliases.
1070 *** `posnp' tests if an object is a `posn'.
1072 *** `system-users' returns the user names on the system.
1074 *** `system-groups' returns the group names on the system.
1076 *** `tty-top-frame' returns the topmost frame of a text terminal.
1078 ** The following functions and variables are obsolete:
1079 *** `automount-dir-prefix' (use `directory-abbrev-alist')
1080 *** `buffer-has-markers-at'
1081 *** `macro-declaration-function' (use `macro-declarations-alist')
1082 *** `window-system-version' (provides no useful information)
1083 *** `dired-pop-to-buffer' (use `dired-mark-pop-up')
1084 *** `query-replace-interactive'
1085 *** `font-list-limit' (has had no effect since Emacs < 23)
1088 * Changes in Emacs 24.3 on non-free operating systems
1090 ** Cygwin builds can use the native MS Windows user interface.
1091 Pass `--with-w32' to configure. The default remains the X11 interface.
1093 ** Two new functions are available in Cygwin builds:
1094 `cygwin-convert-file-name-from-windows' and
1095 `cygwin-convert-file-name-to-windows'. These functions allow Lisp
1096 code to access the Cygwin file-name mapping machinery to convert
1097 between Cygwin and Windows-native file and directory names.
1099 ** When invoked with the -nw switch to run on the Windows text-mode terminal,
1100 Emacs now supports `mouse-highlight', help-echo (in the echo area), and
1101 `mouse-autoselect-window'.
1103 ** On MS Windows Vista and later Emacs now supports symbolic links.
1105 ** On MS Windows, you can pass `--without-libxml2' to configure.bat to omit
1106 support for libxml2, even if its presence is detected.
1108 ** On Mac OS X, the Nextstep port requires OS X 10.4 or later.
1110 ** On Mac OS X, configure no longer automatically adds the Fink "/sw"
1111 directories to the search path. You must add them yourself if you want them.
1114 * Changes in Emacs 24.2
1116 ** This is mainly a bug-fix release.
1119 * Installation Changes in Emacs 24.1
1121 ** Emacs can be compiled with Gtk+ 3.0 if you pass --with-x-toolkit=gtk3
1122 to configure. Note that other libraries used by Emacs, RSVG and GConf,
1123 also depend on Gtk+. You can disable them with --without-rsvg and
1126 ** Emacs can be compiled with GnuTLS support.
1127 This happens by default if a suitably recent version of the library is
1128 found at build time. To prevent this, use the configure option
1129 `--without-gnutls'. See below for GnuTLS features.
1131 ** Emacs can be compiled with SELinux support.
1132 This happens by default if a suitably recent version of the library is
1133 found at build time. To prevent this, use the configure option
1134 `--without-selinux'. See below for SELinux features.
1136 ** Emacs can be compiled with ImageMagick support.
1137 This happens by default if a suitably recent version of the library is
1138 found at build time. To prevent this, use the configure option
1139 `--without-imagemagick'. See below for ImageMagick features.
1140 This feature is not available for the Nextstep or MS ports.
1142 ** Emacs can be compiled with libxml2 support.
1143 This happens by default if a suitably recent version of the library is
1144 found at build time. To prevent this, use the configure option
1145 `--without-xml2'. See below for libxml2 features.
1147 ** By default, the installed Info and man pages are compressed.
1148 You can disable this by configuring --without-compress-info.
1150 ** New configure option --with-wide-int.
1151 With it, Emacs integers typically have 62 bits, even on 32-bit machines.
1152 On 32-bit hosts, this raises the limit on buffer sizes from about 512 MiB
1155 ** New configure options: --with-mmdf, --with-mail-unlink, --with-mailhost.
1156 These provide no new functionality, they just remove the need to edit
1157 lib-src/Makefile by hand in order to use the associated features.
1159 ** New configure option --enable-use-lisp-union-type.
1160 This is only useful for Emacs developers to debug certain types of bugs.
1161 This is not a new feature; only the configure flag is new.
1163 ** The standalone programs digest-doc and sorted-doc are removed.
1164 Emacs now uses Lisp commands `doc-file-to-man' and `doc-file-to-info'.
1166 ** The standalone program `fakemail' is removed.
1167 If you need it, feedmail.el provides a superset of the functionality.
1170 * Startup Changes in Emacs 24.1
1172 ** The --unibyte, --multibyte, --no-multibyte, and --no-unibyte
1173 command line arguments, and the EMACS_UNIBYTE environment variable, no
1174 longer have any effect. (They were declared obsolete in Emacs 23.)
1176 ** New command line option `--no-site-lisp' removes site-lisp directories
1177 from load-path. -Q now implies this. This option does not affect the
1178 EMACSLOADPATH environment variable (and hence has no effect for
1182 * Changes in Emacs 24.1
1186 *** Many packages now use the `completion-at-point' command,
1187 rather than implementing separate completion commands.
1189 *** `completion-at-point' now handles tags and semantic completion.
1191 *** Completion in a non-minibuffer now tries to detect the end of completion
1192 and pops down the *Completions* buffer accordingly.
1194 *** New option `completion-cycle-threshold' allows completion cycling.
1196 *** New option `completion-category-overrides' for overriding the
1197 default completion style in certain circumstances.
1199 *** New completion style `substring'.
1201 *** Completion of buffer names uses `substring' completion by default.
1203 *** The option `widget-complete-field' has been removed.
1207 *** The first time you try sending mail, Emacs asks for a mail method.
1208 This is implemented by a new default for `send-mail-function', which
1209 is `sendmail-query-once'. This offers to use the smtpmail package, or
1210 to use the old defaults relying on external mail facilities
1211 (`sendmail-send-it' on GNU/Linux and other Unix-like systems, and
1212 `mailclient-send-it' on Windows).
1214 *** Typing C-c m in the buffer made by M-x report-emacs-bug transfers
1215 the report to your desktop's preferred mail client, if there is one.
1216 This uses either the "xdg-email" utility, or Mac OS's "open" command.
1218 *** See Changes in Specialized Modes and Packages for SMTPmail changes
1219 and Mail mode changes
1221 ** Emacs server and client changes
1223 *** New option `server-port' specifies the port for TCP Emacs servers.
1225 *** New emacsclient argument -q/--quiet suppresses some status messages.
1227 *** New emacsclient argument --frame-parameters specifies the frame
1228 parameters of any newly-created graphical frame.
1230 *** If emacsclient shuts down due to Emacs signaling an error,
1231 its exit status is 1.
1233 *** New emacsclient argument --parent-id ID.
1234 This opens a client frame in parent X window ID, via XEmbed, similar
1235 to the --parent-id argument to Emacs.
1237 ** Internationalization changes
1239 *** Emacs now supports display and editing of bidirectional text.
1240 Right-to-left (RTL) scripts, such as Arabic, Farsi, and Hebrew, are
1241 displayed in the correct visual order as expected by users of those
1242 scripts. The display reordering is a "full bidirectionality" class
1243 implementation of the Unicode Bidirectional Algorithm (UBA). Buffers
1244 with no RTL text should look exactly the same as before.
1246 **** New buffer-local variable `bidi-display-reordering'.
1247 To disable display reordering in a buffer, change this to nil.
1249 **** New buffer-local variable `bidi-paragraph-direction'.
1250 If nil (the default), Emacs determines the base direction of each
1251 paragraph from its text, as specified by the UBA. Setting the value
1252 to `right-to-left' or `left-to-right' forces a base direction on each
1255 Paragraphs with right-to-left base direction are displayed starting at
1256 the right window edge.
1258 *** Enhanced support for characters with no glyphs in available fonts,
1259 or, on text terminals, characters that cannot be encoded by the
1260 terminal coding system. The new option `glyphless-char-display-control'
1261 specifies how to display them: as a hexadecimal code in a box, a thin
1262 1-pixel space, an empty box, etc.
1264 *** New input methods for Farsi and Bulgarian
1265 (farsi-isiri-9147, farsi-transliterate-banan, bulgarian-alt-phonetic).
1267 *** `nobreak-char-display' now also highlights Unicode hyphen chars
1268 (U+2010 and U+2011).
1270 *** New Hebrew translation of the Emacs Tutorial.
1271 Type `C-u C-h t' to choose it in case your language setup doesn't
1272 automatically select it.
1274 ** An Emacs Lisp package manager is now included.
1275 This is a convenient way to download and install additional packages,
1276 from a package repository at http://elpa.gnu.org.
1278 *** M-x list-packages shows a list of packages, which can be
1279 selected for installation.
1281 *** New command `describe-package', bound to `C-h P'.
1283 *** By default, all installed packages are loaded automatically when
1284 Emacs starts up. To disable this, set `package-enable-at-startup' to
1285 nil. To specify the packages to load, customize `package-load-list'.
1287 ** Custom theme changes
1289 *** New command `M-x customize-themes', which provides a convenient
1290 interface for enabling and disabling Custom themes.
1292 *** New option `custom-theme-load-path' is the load path for themes.
1293 Emacs no longer looks for Custom themes in `load-path'. The default
1294 value of `custom-theme-load-path' says to look for themes in
1295 `custom-theme-directory', followed by a subdirectory of
1296 `data-directory' named "themes/", which contains a small selection of
1297 built-in Custom themes.
1299 *** New option `custom-safe-themes' records known-safe theme files.
1300 If a theme is not in this list, Emacs queries before loading it, and
1301 offers to save the theme to `custom-safe-themes' automatically. By
1302 default, all themes included in Emacs are treated as safe.
1304 ** Improved GTK integration
1306 *** GTK scroll-bars are now placed on the right by default.
1307 The function `set-scroll-bar-mode' can change this.
1309 *** GTK tool bars can have just text, just images or images and text.
1310 Customize `tool-bar-style' to choose the style. On a Gnome desktop,
1311 the default is taken from desktop settings.
1313 *** GTK tool bars can be placed on any edge of the frame.
1314 The frame-parameter tool-bar-position controls this. It takes the
1315 values top, left, right or bottom. The Options => Show/Hide menu has
1318 *** The default colors for selected text (the `region' face) are taken
1319 from the GTK theme when Emacs is built with GTK.
1321 *** Emacs uses GTK tooltips by default if built with GTK.
1322 You can disable this by changing `x-gtk-use-system-tooltips' to nil.
1324 ** Graphical interface changes
1326 *** On graphical displays, the mode-line no longer ends in dashes.
1327 Also, the first dash (which does not indicate anything) is just
1328 displayed as a space.
1330 *** `menu-bar-select-buffer-function' lets you choose another operation
1331 instead of `switch-to-buffer' when selecting an item in the Buffers menu.
1333 *** Lucid menus and dialogs can display antialiased fonts if Emacs is
1334 built with Xft. These fonts can be set via X resources, for example:
1335 Emacs.pane.menubar.font: Courier-12
1339 *** Emacs now calls `kill-emacs' if it receives SIGTERM or SIGHUP,
1340 or if it receives a SIGINT signal in batch mode.
1342 *** `kill-emacs-hook' is now also run in batch mode.
1343 Third-party code which adds to `kill-emacs-hook' should check if they
1344 do the right thing in batch mode.
1346 ** Scrolling changes
1348 *** New scrolling commands `scroll-up-command' and `scroll-down-command'
1349 (bound to C-v/[next] and M-v/[prior]) do not signal errors at top/bottom
1350 of buffer at first key-press (instead they move to top/bottom of buffer)
1351 when `scroll-error-top-bottom' is non-nil.
1353 *** New option `scroll-error-top-bottom' (see above).
1355 *** New scrolling commands `scroll-up-line' and `scroll-down-line'
1356 scroll a line instead of full screen.
1358 *** New property `scroll-command' should be set on a command's symbol to
1359 define it as a scroll command affected by `scroll-preserve-screen-position'.
1361 *** If you customize `scroll-conservatively' to a value greater than 100,
1362 Emacs will never recenter point in the window when it scrolls due to
1363 cursor motion commands or commands that move point (e.f., `M-g M-g').
1364 Previously, you needed to use `most-positive-fixnum' as the value of
1365 `scroll-conservatively' to achieve the same effect.
1367 *** "Aggressive" scrolling now honors the scroll margins.
1368 If you customize `scroll-up-aggressively' or
1369 `scroll-down-aggressively' and move point off the window, Emacs now
1370 scrolls the window so as to avoid positioning point inside the scroll
1373 ** Basic SELinux support has been added.
1374 This requires Emacs to be linked with libselinux at build time.
1376 *** Emacs preserves the SELinux file context when backing up.
1377 Also, the function `copy-file' has an extra optional argument for
1378 preserving SELinux context, and the return value of `backup-buffer'
1379 now includes the SELinux context.
1381 *** New functions `file-selinux-context' and `set-file-selinux-context'
1382 get and set the SELinux context of a file.
1386 *** `delete-by-moving-to-trash' now only affects commands that specify
1387 trashing. This avoids inadvertently trashing temporary files.
1389 *** Calling `delete-file' or `delete-directory' with a prefix argument
1390 now forces true deletion, regardless of `delete-by-moving-to-trash'.
1392 ** File- and directory-local variable changes
1394 *** You can stop directory local vars from applying to subdirectories.
1395 Add an element (subdirs . nil) to the alist portion of any variables
1396 settings to indicate that the section should not apply to
1399 *** Directory local variables can apply to some file-less buffers.
1400 Affected modes include dired, vc-dir, and log-edit. For example,
1401 adding "(diff-mode . ((mode . whitespace)))" to .dir-locals.el will
1402 turn on `whitespace-mode' for *vc-diff* buffers. Modes should call
1403 `hack-dir-local-variables-non-file-buffer' to support this.
1405 *** Using "mode: MINOR-MODE" to enable a minor mode is deprecated.
1406 Instead, use "eval: (minor-mode 1)".
1408 *** The variable `inhibit-first-line-modes-regexps' has been renamed
1409 to `inhibit-local-variables-regexps'. As the name suggests, it now
1410 applies to ALL file local variables, not just -*- lines. The
1411 associated `inhibit-first-line-modes-suffixes' has been renamed in the
1416 *** The `quit-window' command now restores the last buffer displayed
1417 in the quitted window.
1419 *** Resizing an Emacs frame now preserves proportional window sizes,
1420 modulo restrictions like window minimum sizes and fixed-size windows.
1422 *** The behavior of `display-buffer' is now customizable in detail.
1424 **** New option `display-buffer-base-action' specifies a list of
1425 user-determined display "actions" (functions and optional arguments
1426 for choosing the displaying window).
1428 This takes precedence over the default display action, which is
1429 specified by `display-buffer-fallback-action'.
1431 **** New option `display-buffer-alist' maps buffer name regexps to
1432 display actions, taking precedence over `display-buffer-base-action'.
1434 *** New option `window-combination-limit'.
1435 The new option `window-combination-limit' allows to return the space
1436 obtained for resizing or creating a window more reliably to the window
1437 from which such space was obtained.
1439 *** New option `window-combination-resize'.
1440 The new option `window-combination-resize' allows to split a window that
1441 otherwise cannot be split because it's too small by stealing space from
1442 other windows in the same combination. Subsequent resizing or deletion
1443 of the window will resize all windows in the same combination as well.
1445 *** New option `frame-auto-hide-function' lets you choose between
1446 iconifying or deleting a frame when burying a buffer in a dedicated
1447 frame, or quitting a window showing a buffer in a frame of its own.
1449 *** New commands `maximize-window' and `minimize-window'.
1450 These maximize and minimize the size of a window within its frame.
1452 *** New commands `switch-to-prev-buffer' and `switch-to-next-buffer'.
1453 These functions allow to navigate through the live buffers that have
1454 been shown in a specific window.
1456 ** Minibuffer changes
1458 *** The inactive minibuffer has its own major mode `minibuffer-inactive-mode'.
1459 This is handy for minibuffer-only frames, and is also used for the feature
1460 where mouse-1 pops up *Messages*"', which can now easily be changed.
1462 *** Minibuffers set `truncate-lines' to nil.
1463 If you want to change the value to something else, you could use
1464 for example `minibuffer-setup-hook'.
1466 ** `auto-mode-case-fold' is now enabled by default.
1468 ** `backup-by-copying-when-mismatch' now defaults to t.
1470 ** New basic faces `error', `warning', `success'.
1471 These are used to highlight text indicating failure, caution or
1472 successful operation.
1474 ** New option `list-colors-sort' defines the color sort order
1475 for `list-colors-display'.
1477 ** The variable `focus-follows-mouse' now always defaults to nil.
1480 * Editing Changes in Emacs 24.1
1484 *** C-y in Isearch is now bound to `isearch-yank-kill', instead of
1485 `isearch-yank-line'.
1487 *** M-y in Isearch is now bound to `isearch-yank-pop', instead of
1488 `isearch-yank-kill'.
1490 *** M-s C-e in Isearch is now bound to `isearch-yank-line'.
1492 ** New commands `count-words-region' and `count-words'.
1494 *** M-= is bound to `count-words-region', not `count-lines-region'.
1495 The `count-words-region' command, when called interactively, reports
1496 the number of lines, words, and characters in the region. It is a
1497 superset of the old `count-lines-region', which is now an obsolete
1500 ** The command `just-one-space' (M-SPC), if given a negative argument,
1501 also deletes newlines around point.
1505 *** New option `delete-active-region'.
1506 If non-nil, [delete] and DEL delete the region if it is active and no
1507 prefix argument is given. If set to `kill', those commands kill
1510 *** New command `delete-forward-char', bound to [delete].
1511 This is meant for interactive use, and obeys `delete-active-region'.
1512 The command `delete-char' does not obey `delete-active-region'.
1514 *** `delete-backward-char' is now a Lisp function.
1515 Apart from obeying `delete-active-region', its behavior is unchanged.
1516 However, the byte compiler now warns if it is called from Lisp; Lisp
1517 callers should use delete-char with a negative argument instead.
1519 *** The option `mouse-region-delete-keys' has been deleted.
1521 ** Selection changes.
1523 The default handling of clipboard and primary selections has been
1524 changed to conform with modern X applications. In short, most
1525 commands for killing and yanking text now use the clipboard, while
1526 mouse commands use the primary selection.
1528 In the following, we provide a list of these changes, followed by a
1529 list of steps to get the old behavior back if you prefer that.
1531 *** `select-active-regions' now defaults to t.
1532 Merely selecting text (e.g. with drag-mouse-1) no longer puts it in
1533 the kill ring. The selected text is put in the primary selection, if
1534 the system possesses a separate primary selection facility (e.g. X).
1536 **** `select-active-regions' also accepts a new value, `only'.
1537 This means to only set the primary selection for temporarily active
1538 regions (usually made by mouse-dragging or shift-selection);
1539 "ordinary" active regions, such as those made with C-SPC followed by
1540 point motion, do not alter the primary selection.
1542 **** `mouse-drag-copy-region' now defaults to nil.
1544 *** mouse-2 is now bound to `mouse-yank-primary'.
1545 This pastes from the primary selection, ignoring the kill-ring.
1546 Previously, mouse-2 was bound to `mouse-yank-at-click'.
1548 *** `x-select-enable-clipboard' now defaults to t on all platforms.
1550 *** `x-select-enable-primary' now defaults to nil.
1551 Thus, commands that kill text or copy it to the kill-ring (such as
1552 M-w, C-w, and C-k) also use the clipboard---not the primary selection.
1554 **** The "Copy", "Cut", and "Paste" items in the "Edit" menu are now
1555 exactly equivalent to M-w, C-w, and C-y respectively.
1557 **** Note that on MS-Windows, `x-select-enable-clipboard' was already
1558 non-nil by default, as Windows does not support the primary selection
1559 between applications.
1561 *** To return to the previous behavior, do the following:
1563 **** Change `select-active-regions' to nil.
1564 **** Change `mouse-drag-copy-region' to t.
1565 **** Change `x-select-enable-primary' to t (on X only).
1566 **** Change `x-select-enable-clipboard' to nil.
1567 **** Bind `mouse-yank-at-click' to mouse-2.
1569 *** Support for X cut buffers has been removed.
1571 *** X clipboard managers are now supported.
1572 To inhibit this, change `x-select-enable-clipboard-manager' to nil.
1574 ** New command `C-x r N' (`rectangle-number-lines') numbers the lines
1575 in the current rectangle. With a prefix argument, this prompts for a
1576 number to count from and for a format string.
1578 ** `redisplay-dont-pause' now defaults to t.
1579 This makes Emacs feel more responsive to editing commands that arrive
1580 at high rate, e.g. if you lean on some key, because stopping redisplay
1581 in the middle (when this variable is nil) forces more expensive
1582 updates later on, and Emacs appears to be unable to keep up.
1584 ** The behavior of <TAB> for active regions in Text mode has changed.
1585 In Text and related modes, typing <TAB> (`indent-for-tab-command')
1586 when the region is active causes Emacs to indent all the lines in the
1587 region, aligning them with the line previous to the first line in the
1588 region (or with the left margin if there is no previous line).
1590 ** When `occur' is called with a prefix argument, matching strings are
1591 collected into the `*Occur*' buffer without line numbers. If there
1592 are parenthesized subexpressions in the specified regexp, `occur'
1593 reads replacement text that may contain \\& and \\N whose convention
1594 follows `replace-match'.
1597 * Changes in Specialized Modes and Packages in Emacs 24.1
1599 ** Archive Mode has basic support for browsing and updating 7z archives.
1603 *** BibTeX mode now supports biblatex.
1604 Use the variable `bibtex-dialect' to select different BibTeX dialects.
1605 `bibtex-entry-field-alist' is now an obsolete alias for
1606 `bibtex-BibTeX-entry-alist'.
1608 *** New command `bibtex-search-entries', bound to C-c C-a.
1610 *** New `bibtex-entry-format' option `sort-fields', disabled by default.
1612 *** New variable `bibtex-search-entry-globally'.
1616 *** New option `browse-url-mailto-function' specifies how to handle "mailto:"s.
1618 *** The default browser used by the package is now the "xdg-open" program,
1619 on platforms that support it. This calls your desktop's preferred browser.
1621 ** Calendar, Diary, and Appt
1623 *** Diary entries can contain non-printing "comments".
1624 See the variable `diary-comment-start'.
1626 *** Appointments can specify their individual warning times.
1627 See the variable `appt-warning-time-regexp'.
1629 *** The function specified by `appt-disp-window-function' may be passed
1630 lists of arguments if multiple appointments are due at similar times.
1631 If you are using a custom function for this, you should update it.
1633 *** New function `diary-hebrew-birthday'.
1635 *** Elements of `calendar-day-abbrev-array' and `calendar-month-abbrev-array'
1636 may no longer be nil, but must all be strings.
1638 *** The obsolete (since Emacs 22.1) method of enabling the appt
1639 package by adding `appt-make-list' to `diary-hook' has been removed.
1640 Use `appt-activate' instead.
1642 *** Some appt variables (obsolete since Emacs 22.1) have been removed:
1643 appt-issue-message (use the function appt-activate)
1644 appt-visible/appt-msg-window (use the variable appt-display-format)
1646 *** Some diary function aliases (obsolete since Emacs 22.1) have been removed:
1647 view-diary-entries, list-diary-entries, show-all-diary-entries
1651 *** New feature to "guess" the style in an existing buffer.
1652 The main entry point is M-x c-guess.
1654 *** Java Mode now supports Java 5.0 (Tiger) and 6 (Mustang).
1656 *** `c-beginning-of-defun' and `c-end-of-defun' now respect nested scopes.
1657 Thus C-M-a will, by default, go to the beginning of the immediate function,
1660 *** "Macros with semicolons" can be registered for correct indentation.
1661 Where such a macro ends a line (no semicolon) the next statement is no longer
1662 parsed as a statement continuation.
1664 ** Comint and modes derived from it use the standard completion code.
1668 *** Compilation mode can be used without Font Lock mode.
1669 `compilation-parse-errors-function' is now obsolete.
1671 *** New variable `compilation-filter-start', which is bound while
1672 `compilation-filter-hook' runs. It records the start position of the
1673 text inserted by `compilation-filter'.
1675 *** `compilation-error-screen-columns' and `compilation-first-column'
1676 are obeyed in the editing buffer. So programming language modes can
1677 set them, whereas previously only the value in the *Compilation*
1682 *** Customize buffers now contain a search field.
1683 The search is performed using `customize-apropos'.
1684 To turn off the search field, set `custom-search-field' to nil.
1686 *** Options in customize group buffers start out hidden if not customized.
1687 Use the arrow to the left of the option name to toggle visibility.
1689 *** custom-buffer-sort-alphabetically now defaults to t.
1691 *** The color widget now has a "Choose" button, which allows you to
1692 choose a color via `list-colors-display'.
1696 *** It is now possible to access buses other than the default system
1699 *** The `dbus-register-method' and `dbus-register-property' functions
1700 optionally do not register names.
1702 *** The new function `dbus-register-service' registers a known service
1703 name on a D-Bus without also registering a property or a method.
1707 *** C-x C-j (`dired-jump') and C-x 4 C-j (`dired-jump-other-window'),
1708 if called with a prefix argument, read a file name from the minibuffer
1709 instead of using the current buffer.
1711 *** The "dired local variables" feature of Dired-x is obsolete.
1712 The standard directory local variables feature replaces it.
1716 *** New options `erc-autojoin-timing' and `erc-autojoin-delay',
1717 controlling attempts to autojoin a channel.
1719 *** New variable `erc-coding-system-precedence': If we use `undecided'
1720 as the server coding system, this variable will then be consulted.
1721 The default is to decode strings that can be decoded as utf-8 as
1722 utf-8, and do the normal `undecided' decoding for the rest.
1726 *** The default value of `eshell-directory-name' has changed
1727 to be an "eshell" directory in `user-emacs-directory'.
1728 The old "~/.eshell/" directory is still used if it exists, though.
1732 *** The M-x gdb command now uses the GDB Machine Interface protocol.
1733 It now supports multithread non-stop debugging and simultaneous
1734 debugging of several threads.
1738 *** RET (`image-toggle-animation') toggles animation, if applicable.
1739 Animation plays once, unless the option `image-animate-loop' is non-nil.
1743 *** New command M-x info-display-manual displays a named Info manual.
1744 If that manual is already visited in some Info buffer, it displays
1745 that buffer. (This is handy if you have many manuals in many *info*
1746 buffers, and don't remember the name of the buffer visiting the manual
1747 you want to consult.) Otherwise, it loads and displays the manual.
1749 *** `e' is now bound to `end-of-buffer' rather than to `Info-edit'.
1750 This is for compatibility with the stand-alone Info reader program,
1751 and also because `Info-edit' is a rarely used command that is disabled
1754 ** Mail mode changes (not Message mode)
1756 *** New command M-x mail-add-attachment for adding MIME attachments
1758 *** The command M-x mail-attach-file was renamed to M-x mail-insert-file.
1759 (Its name is misleading, since it has nothing to do with MIME
1760 attachments.) The old name is now an obsolete alias to the new name.
1762 ** MH-E has been updated to MH-E version 8.3.1.
1763 See MH-E-NEWS for details.
1765 ** Modula-2 mode provides auto-indentation.
1767 ** mpc.el: Can use pseudo tags of the form tag1|tag2 as a union of two tags.
1769 ** nXML mode no longer binds C-RET to `nxml-complete'.
1770 Completion is now performed via `completion-at-point', bound to C-M-i
1771 or M-TAB. If `nxml-bind-meta-tab-to-complete-flag' is non-nil (the
1772 default), this performs tag completion.
1774 ** Org mode has been updated to version 7.8.09.
1775 See ORG-NEWS for details.
1777 ** Prolog mode has been completely revamped, with lots of additional
1778 functionality such as more intelligent indentation, electricity,
1779 support for more variants, including Mercury, and a lot more.
1783 *** The command `rmail-epa-decrypt' decrypts OpenPGP data
1784 in the Rmail incoming message.
1786 *** The variable `rmail-message-filter' no longer has any effect.
1787 This change was made in Emacs 23.1 but was not advertised at the time.
1788 Try using `rmail-show-message-hook' instead.
1792 *** M-x shell prompts for the shell path name if the default directory
1793 is a remote file name and neither the environment variable $ESHELL nor
1794 the variable `explicit-shell-file-name' is set.
1796 *** TAB is now bound to the standard `completion-at-point' command,
1797 which now implements the pcomplete rules for shell command completion.
1801 *** SMTPmail now uses encrypted connections (via STARTTLS) by default
1802 if the mail server supports them. This uses either built-in GnuTLS
1803 support, or the starttls.el library. Customize `smtpmail-stream-type'
1806 *** The variable `smtpmail-auth-credentials' has been removed.
1807 By default, the information is now stored in the file ~/.authinfo.
1808 This was the default value of smtpmail-auth-credentials. If you had
1809 customized smtpmail-auth-credentials to a list of user names and
1810 passwords, those settings are not used. During your first connection
1811 to the smtp server, Emacs will prompt for the user name and password,
1812 and offer to save them to ~/.authinfo. Or you can manually copy the
1813 credentials to ~/.authinfo. For example, if you had
1815 (setq smtpmail-auth-credentials
1816 '(("mail.example.org" 25 "jim" "s!cret")))
1818 then the equivalent line in ~/.authinfo would be
1820 machine mail.example.org port 25 login jim password s!cret
1822 See the auth-source manual for more information, e.g. on encrypting
1823 the credentials file.
1825 *** The variable `smtpmail-starttls-credentials' has been removed.
1826 If you had that set, you need to put
1828 machine smtp.whatever.foo port 25 key "~/.my_smtp_tls.key" cert "~/.my_smtp_tls.cert"
1830 in your ~/.authinfo file instead.
1832 *** SMTPmail defaults to using the address in the From: header as the
1833 SMTP MAIL FROM envelope. To override this, set `mail-envelope-from'
1834 to the address you wish to use instead.
1838 *** New options `sql-port', `sql-connection-alist', `sql-send-terminator',
1839 and `sql-oracle-scan-on'.
1841 *** New options controlling prompting for login parameters.
1842 Each supported product has a custom variable `sql-*-login-params',
1843 which is a list of the parameters to be prompted for before a
1844 connection is established.
1846 *** The command `sql-product-interactive' now takes a prefix argument,
1847 which causes it to prompt for an SQL product.
1849 *** Product-specific SQL interactive commands now take prefix arguments.
1850 These commands (`sql-sqlite', `sql-postgres', `sql-mysql', etc.),
1851 given a prefix argument, prompt for a name for the SQL interactive
1852 buffer. This reduces the need for calling `sql-rename-buffer'.
1854 *** SQL interactive modes suppress command continuation prompts, and
1855 replace tabs with spaces. The first change impacts multiple line SQL
1856 statements entered with C-j between each line, statements yanked into
1857 the buffer and statements sent with `sql-send-*' functions. The
1858 second prevents the MySQL and Postgres interpreters from listing
1859 object name completions when sent text via `sql-send-*' functions.
1861 *** New command `sql-connect' starts a predefined SQLi session,
1862 using the login parameters from `sql-connection-alist'.
1864 *** New "Save Connection" menu item in SQLi buffers.
1865 This gathers the login params specified for the SQLi session, if it
1866 was not started by a connection, and saves them as a new connection.
1868 *** New commands for listing database objects and details:
1869 sql-list-all and sql-list-table.
1871 *** An API for manipulating SQL product definitions has been added.
1875 *** latex-electric-env-pair-mode keeps \begin..\end matched on the fly.
1879 *** New inline access method "ksu" (kerberized su).
1881 *** The following access methods are discontinued: "ssh1_old",
1882 "ssh2_old", "scp1_old", "scp2_old", "imap", "imaps" and "fish".
1884 *** The user option `remote-file-name-inhibit-cache' controls whether
1885 remote file attributes are cached for better performance.
1887 *** The option `ange-ftp-binary-file-name-regexp' has changed its
1888 default value to "".
1890 *** Handlers for `file-selinux-context' and `set-file-selinux-context'
1891 for remote machines which support SELinux.
1893 ** New function `url-queue-retrieve', which behaves like url-retrieve,
1894 but with limits (`url-queue-parallel-processes', `url-queue-timeout') on
1895 the degree of parallelism.
1897 ** VC and related modes
1899 *** Support for pulling on distributed version control systems.
1900 The command C-x v + (`vc-pull') runs a "pull" operation, if it is
1901 supported (currently with Bzr, Git, and Mercurial), to update the
1902 current branch and working tree. A prefix argument means to prompt
1903 the user for specifics, e.g. a pull location.
1905 *** `vc-update' is now an alias for `vc-pull'.
1907 *** Support for merging on distributed version control systems.
1908 The command C-x v m (`vc-merge') now runs a "merge" operation, if it
1909 is supported (currently with Bzr, Git, and Mercurial), to merge
1910 changes from another branch into the current one. It prompts for
1911 specifics, e.g. a merge source.
1913 *** New option `vc-revert-show-diff' controls whether `vc-revert'
1914 shows a diff while querying the user. It defaults to t.
1916 *** Log entries in some Log View buffers can be toggled to display a
1917 longer description by typing RET (log-view-toggle-entry-display).
1918 This is currently supported for Bzr, Git, and Mercurial (to support
1919 another backend, define a `log-view-expanded-log-entry-function').
1920 In the Log View buffers made by C-x v L (`vc-print-root-log'), you can
1921 use this to display the full log entry for the revision at point.
1923 *** New command `vc-ediff' allows visual comparison of two revisions
1924 of a file similar to `vc-diff', but using ediff backend.
1926 *** The option `vc-initial-comment' was removed in Emacs 23.2, but
1927 this was not advertised at the time.
1929 *** `vc-toggle-read-only' is an obsolete alias for `toggle-read-only'.
1930 Since Emacs 23, it has done the same thing as `toggle-read-only', but
1931 this was not advertised at the time.
1937 *** erc-hecomplete.el (use erc-pcomplete.el instead)
1939 *** partial-completion-mode (complete.el) is obsolete.
1940 You can get a comparable behavior with:
1941 (setq completion-styles '(partial-completion initials))
1942 (setq completion-pcm-complete-word-inserts-delimiters t)
1944 *** pc-mode.el is obsolete (CUA mode is much more comprehensive).
1946 *** pgg is obsolete (use EasyPG instead).
1948 *** sregex.el is obsolete, since rx.el is a strict superset.
1950 *** s-region.el and pc-select.el are obsolete.
1951 They are superseded by shift-select-mode, enabled by default since 23.1.
1953 *** vc-mcvs.el is obsolete (for lack of a maintainer).
1957 *** The Landmark game is now invoked with `landmark', not `lm'.
1958 Its functions and variables have been similarly renamed.
1960 *** In `ido-file-completion-map', C-v is no longer bound to `ido-toggle-vc'.
1961 (This interfered with cua-mode.)
1963 *** f90.el has some support for Fortran 2008 syntax.
1965 *** `copyright-fix-years' can optionally convert consecutive years to ranges.
1967 *** New command `nato-region' converts text to NATO phonetic alphabet.
1970 * New Modes and Packages in Emacs 24.1
1972 ** Occur Edit mode applies edits made in *Occur* buffers to the
1973 original buffers. It is bound to "e" in Occur mode.
1975 ** New global minor mode electric-pair-mode.
1976 When enabled, typing an open parenthesis automatically inserts the
1977 matching closing one.
1979 ** New global minor mode electric-indent-mode.
1980 When enabled, typing certain characters triggers reindentation.
1981 Major modes wishing to use this can set electric-indent-chars or
1982 electric-indent-functions.
1984 ** New global minor mode electric-layout-mode.
1985 When enabled, typing certain characters automatically inserts newlines.
1986 Major modes wishing to use this can set electric-layout-rules.
1988 ** tabulated-list.el provides a generic major mode for tabulated data,
1989 from which other modes can be derived.
1991 ** pcase.el provides the ML-style pattern matching macro `pcase'.
1993 ** secrets.el is an implementation of the Secret Service API, an
1994 interface to password managers like GNOME Keyring or KDE Wallet. The
1995 Secret Service API requires D-Bus for communication. The command
1996 `secrets-show-secrets' offers a buffer with a visualization of the
1999 ** notifications.el provides an implementation of the Desktop
2000 Notifications API. It requires D-Bus for communication.
2002 ** soap-client.el supports access to SOAP web services from Emacs.
2003 soap-inspect.el is an interactive inspector for SOAP WSDL structures.
2005 ** New generic mode, xmodmap-generic-mode, for xmodmap files.
2007 ** New emacs-lock.el package.
2008 The previous version has been moved to obsolete/old-emacs-lock.el.
2009 Now, there is a proper minor mode `emacs-lock-mode'. Protection
2010 against exiting Emacs and killing the buffer can be set separately.
2011 The mechanism for automatically turning off protection for buffers
2012 with dead inferior processes has been generalized.
2015 * Incompatible Lisp Changes in Emacs 24.1
2017 ** Passing a nil argument to a minor mode function call now ENABLES
2018 the minor mode unconditionally. This is so that you can write e.g.
2020 (add-hook 'text-mode-hook 'foo-mode)
2022 to enable foo-mode in Text mode buffers, removing the need for
2023 `turn-on-foo-mode' style functions. This affects all mode commands
2024 defined by `define-minor-mode'. If called interactively, the mode
2025 command still toggles the minor mode.
2027 ** The return value of `backup-buffer' has changed.
2028 It is now a list of three elements, where the second element is a list
2029 describing the original file's SELinux context. If Emacs or the
2030 system lacks SELinux support, the context list is (nil nil nil nil).
2031 See "Basic SELinux support" above, under "Changes in Emacs 24.1".
2033 ** `char-direction-table' and the `char-direction' function were deleted.
2034 They were buggy and inferior to the new support of bidirectional
2035 editing introduced in Emacs 24. If you need the bidirectional
2036 properties of a character, use `get-char-code-property' with the last
2037 argument `bidi-class'.
2039 ** `copy-directory' now copies the source directory as a subdirectory
2040 of the target directory, if the latter is an existing directory. The
2041 new optional arg COPY-CONTENTS, if non-nil, makes the function copy
2042 the contents directly into a pre-existing target directory.
2044 ** For mouse click input events in the text area, the Y pixel
2045 coordinate in the POSITION list now counts from the top of the text
2046 area, excluding any header line. Previously, it counted from the top
2049 ** Support for "old-style" backquotes, obsolete for 10+ years, has
2050 been further reduced. Now a backquote not followed by a space is
2051 always treated as a "new-style" backquote. Please remove all
2052 "old-style" backquotes from your code. If your code uses backquotes
2053 as documented in the Elisp manual, and compiles without warning, then
2054 you have nothing to do in this regard. Code not following the
2055 appropriate conventions may fail to compile.
2057 The most common cause of trouble seems to be an old-style backquote
2058 followed by a newline. Another cause of trouble is vector notation
2059 for key sequence notation: instead of [(control ,)] and [(control ')],
2060 you should write [(control ?,)] and [(control ?')], which will work in
2063 ** The macro `eval-at-startup' was removed in Emacs 23.2, but this
2064 was not advertised at the time. The function `custom-initialize-delay'
2065 replaced all known uses.
2067 ** `view-buffer' now treats special mode-class in the same way that
2068 `view-file' has since Emacs 22 (i.e. it won't enable View mode if the
2069 major mode is special).
2071 ** Menu and tool bar changes
2073 *** During startup, Emacs no longer adds entries for `menu-bar-lines'
2074 and `tool-bar-lines' to `default-frame-alist' and `initial-frame-alist'.
2075 With these alist entries omitted, `make-frame' checks the value of the
2076 variable `menu-bar-mode'/`tool-bar-mode' to determine whether to create
2077 a menu-bar or tool-bar, respectively. If the alist entries are added,
2078 they override the value of `menu-bar-mode'/`tool-bar-mode'.
2080 *** The menu bar bindings's caches are not used any more.
2081 Use (where-is-internal <def> nil t) instead.
2083 ** Regions created by mouse dragging are now normal active regions,
2084 similar to those created by shift-selection (see Selection changes
2085 above). In previous Emacs versions, these regions were delineated by
2086 `mouse-drag-overlay'; that variable has been removed.
2088 ** The fourth argument of `filter-buffer-substring' has been removed.
2089 If you want to remove text properties from the final result, simply
2090 pass the result through substring-no-properties.
2092 ** cl.el no longer provides `cl-19'.
2094 ** The following obsolete functions and aliases have been removed
2095 (the appropriate new function is given in parentheses; "not needed"
2096 means you can just remove all calls to the function in question):
2098 *** `comint-kill-output' (`comint-delete-output')
2099 *** `decompose-composite-char' (`char-to-string')
2100 *** `outline-visible' (`outline-invisible-p')
2101 *** `internal-find-face' (`facep')
2102 *** `internal-get-face' (`facep and check-face')
2103 *** `frame-update-faces' (not needed)
2104 *** `frame-update-face-colors' (`frame-set-background-mode')
2105 *** `x-frob-font-weight' and `x-frob-font-slant' (`make-face-*' functions)
2106 *** `x-make-font-bold and x-make-font-demibold (`make-face-bold')
2107 *** `x-make-font-italic' and `x-make-font-oblique' (`make-face-italic')
2108 *** `x-make-font-bold-italic' (`make-face-bold-italic')
2109 *** `x-make-font-unbold' (`make-face-unbold')
2110 *** `x-make-font-unitalic' (`make-face-unitalic')
2111 *** `mldrag-drag-mode-line' (`mouse-drag-mode-line')
2112 *** `mldrag-drag-vertical-line' (`mouse-drag-vertical-line')
2113 *** `iswitchb-default-keybindings' (`iswitchb-mode')
2114 *** `char-bytes' (== 1)
2115 *** `isearch-return-char' (`isearch-printing-char')
2116 *** `make-local-hook' (not needed)
2117 *** `set-screen-height' (`set-frame-height')
2118 *** `set-screen-width' (`set-frame-width')
2120 ** The following obsolete variables and varaliases have been removed
2121 (the appropriate new variable is given in parentheses):
2123 *** `checkdoc-minor-keymap' (`checkdoc-minor-mode-map')
2124 *** `vc-header-alist' (`vc-BACKEND-header')
2125 *** `directory-sep-char' (== ?/)
2126 *** `font-lock-defaults-alist' (`font-lock-defaults')
2127 *** `e' (`float-e').
2129 ** The following obsolete files were removed:
2130 sc.el, x-menu.el, rnews.el, rnewspost.el
2132 ** The format of the finder-inf.el file has changed, since the Finder
2133 mechanism is now based on the package system. The variable
2134 `finder-package-info' is replaced by `package--builtins' and
2135 `finder-keywords-hash'.
2137 ** When generating autoloads, `update-directory-autoloads' no longer
2138 assumes every inspected file is in your `load-path'. It instead
2139 generates relative names according to the current `load-path'.
2142 * Lisp changes in Emacs 24.1
2144 ** Code can now use lexical scoping by default instead of dynamic scoping.
2145 The `lexical-binding' variable enables lexical scoping for local
2146 variables. It is typically set via a file-local variable in the first
2147 line of the file, in which case it applies to all the code in that
2150 *** `eval' takes a new optional argument `lexical' to choose the new lexical
2151 binding instead of the old dynamic binding mode.
2153 *** Lexically scoped interpreted functions are represented with a new form
2154 of function value which looks like (closure ENV ARGS &rest BODY).
2156 *** New macro `letrec' to define recursive local functions.
2158 *** `defvar' and `defconst' now mark the variable as special (dynamic).
2159 So do `defcustom' and other forms that call `defvar' as a subroutine.
2161 *** New function `special-variable-p' to check whether a variable is
2162 declared as dynamically bound.
2164 *** The form ((lambda ...) ...) is deprecated.
2166 ** An Emacs Lisp testing tool is now included.
2167 Emacs Lisp developers can use this tool to write automated tests for
2168 their code. See the ERT info manual for details.
2170 ** Changes for bidirectional display and editing
2172 *** New function `current-bidi-paragraph-direction'.
2173 This returns the base direction of the paragraph at point.
2175 *** New function `bidi-string-mark-left-to-right'.
2176 Given a string containing characters from right-to-left scripts, this
2177 function returns another string which can be safely inserted into a
2178 buffer, such that any following text will be always displayed to the
2179 right of that string. (This works by appending an invisible Unicode
2180 "LEFT-TO-RIGHT MARK" character if the argument string might need it.)
2182 This is useful when the buffer has overall left-to-right paragraph
2183 direction and you need to insert a string whose contents are not known
2184 in advance, without disrupting the layout of the line.
2188 *** Window tree functions are accessible in Elisp.
2189 Functions are provided to return the parent, siblings or child windows
2190 of any window including internal windows (windows not associated with a
2191 buffer) in the window tree.
2193 **** New function `window-valid-p' gives non-nil for live and internal
2196 **** Window manipulation can deal with internal windows.
2197 Many window handling functions like `split-window', `delete-window', or
2198 `delete-other-windows' as well as the window resizing functions can now
2199 act on any window including internal ones.
2201 *** window-total-height/-width vs window-body-height/-width.
2202 The function `window-height' has been renamed to `window-total-height'
2203 and `window-width' has been renamed to `window-body-width'. The old
2204 names are provided as aliases. Two new functions `window-total-width'
2205 and `window-body-height' are provided.
2207 *** Window parameters specific to window handling functions.
2208 For each window you can specify a parameter to override the default
2209 behavior of a number of functions like `split-window', `delete-window'
2210 and `delete-other-windows'. The variable `ignore-window-parameters'
2211 allows to ignore processing such parameters.
2213 *** New semantics of third argument of `split-window'.
2214 The third argument of `split-window' has been renamed to SIDE and can be
2215 set to any of the values 'below, 'right, 'above, or 'left to make the
2216 new window appear on the corresponding side of the window that shall be
2217 split. Any other value of SIDE will cause `split-window' to split the
2218 window into two side-by-side windows as before.
2220 *** Window resizing functions.
2221 A new standard function for resizing windows called `window-resize' has
2222 been introduced. This and all other functions for resizing windows no
2223 longer delete any windows when they become too small.
2225 *** Deleting the selected window now selects the most recently selected
2226 live window on that frame instead.
2228 *** `adjust-window-trailing-edge' adjustments.
2229 `adjust-window-trailing-edge' can now deal with fixed-size windows and
2230 is able to resize other windows if a window adjacent to the trailing
2231 edge cannot be shrunk any more. This makes its behavior more similar to
2232 that of Emacs 21 without compromising, however, its inability to delete
2233 windows which was introduced in Emacs 22.
2235 *** Window-local buffer lists.
2236 Windows now have local buffer lists. This means that removing a buffer
2237 from display in a window will preferably show the buffer previously
2238 shown in that window with its previous window-start and window-point
2239 positions. This also means that the same buffer may be automatically
2240 shown twice even if it already appears in another window.
2242 *** `switch-to-buffer' has a new optional argument FORCE-SAME-WINDOW,
2243 which if non-nil requires the buffer to be displayed in the currently
2244 selected window, signaling an error otherwise. If nil, another window
2245 can be used, e.g. if the selected one is strongly dedicated.
2247 *** `split-window-vertically' and `split-window-horizontally' renamed
2248 to `split-window-below' and `split-window-right' respectively.
2249 The old names are kept as aliases.
2253 **** The second arg to `display-buffer' and `pop-to-buffer' is now
2254 named ACTION, and takes a display action of the same form as
2255 `display-buffer-base-action' (see Changes, above). A non-nil,
2256 non-list value is treated specially, as the old meaning.
2258 **** New variable `display-buffer-overriding-action'.
2260 **** The procedure of `display-buffer' etc. to choose a window is
2261 determined by combining `display-buffer-overriding-action',
2262 `display-buffer-alist', the ACTION arg, `display-buffer-base-action',
2263 and `display-buffer-fallback-action'. The second and fourth of these
2264 are user-customizable variables.
2266 See the docstring of `display-buffer' for details.
2268 *** New functions `window-state-get' and `window-state-put'.
2269 These functions allow to save and restore the state of an arbitrary
2270 frame or window as an Elisp object.
2274 *** New variable `completion-extra-properties' used to specify extra
2275 properties of the current completion:
2276 - :annotate-function, same as the old completion-annotate-function.
2277 - :exit-function, function to call after completion took place.
2279 *** Functions on `completion-at-point-functions' can return any of the
2280 properties valid for `completion-extra-properties'.
2282 *** `completion-annotate-function' is obsolete.
2284 *** New `metadata' method for completion tables. The metadata thus returned
2285 can specify various details of the data returned by `all-completions':
2286 - `category' is the kind of objects returned (e.g., `buffer', `file', ...),
2287 used to select a style in completion-category-overrides.
2288 - `annotation-function' to add annotations in *Completions*.
2289 - `display-sort-function' to specify how to sort entries in *Completions*.
2290 - `cycle-sort-function' to specify how to sort entries when cycling.
2292 *** `minibuffer-local-filename-must-match-map' is not used any more.
2293 Instead, the bindings in `minibuffer-local-filename-completion-map'
2294 are combined with `minibuffer-local-must-match-map'.
2296 *** New variable `completing-read-function' allows overriding the
2297 behavior of `completing-read'.
2299 ** `glyphless-char-display' can now distinguish between graphical and
2300 text terminal display, via a char-table entry that is a cons cell.
2302 ** `pre-command-hook'/`post-command-hook' are not reset to nil on error.
2303 Instead, the offending function is removed.
2307 *** New function `run-hook-wrapped' for running an abnormal hook by
2308 passing the hook functions as arguments to a "wrapping" function.
2309 Like `run-hook-with-args-until-success', it stops at the first
2310 non-nil return value.
2312 *** New macro `with-wrapper-hook' for running an abnormal hook as a
2313 set of "wrapping" filters, similar to around advice.
2314 (A version of this macro was actually added in Emacs 23.2 but was not
2315 advertised at the time.)
2319 *** New macro `condition-case-unless-debug' (this was actually added in
2320 Emacs 23.1 as condition-case-no-debug, but not advertised)
2322 *** The macro `with-demoted-errors' was added in Emacs 23.1, but not advertised.
2324 *** Variable `stack-trace-on-error' removed.
2326 *** The debugger can now "continue" from an error, which means it will
2327 jump to the error handler as if the debugger had not been invoked
2328 instead of jumping all the way to the top-level.
2330 *** Set `debug-on-event' to enter the debugger on events like SIGUSR1.
2331 This can be useful when `inhibit-quit' is set.
2333 ** The new function `server-eval-at' allows evaluation of Lisp forms on
2334 named Emacs server instances.
2336 ** `call-process' and `call-process-region' allow a `(:file "file")' spec
2337 to redirect STDOUT to a file.
2339 ** The function `format-time-string' now supports the %N directive,
2340 for higher-resolution time stamps.
2342 ** New input reading functions
2344 *** New function `read-char-choice' reads a restricted set of
2345 characters, discarding any inputs not inside the set.
2347 *** The command `read-color' now requires a match for a color name
2348 or RGB triplet, instead of signaling an error if the user provides
2351 **** `facemenu-read-color' is now an alias for `read-color'.
2353 ** `image-library-alist' is renamed to `dynamic-library-alist'.
2354 The variable is now used to load all kind of supported dynamic libraries,
2355 not just image libraries. The previous name is still available as an
2358 ** Syntax parsing changes
2360 *** New variable `syntax-propertize-function'.
2361 This replaces `font-lock-syntactic-keywords' which is now obsolete.
2362 This allows syntax-table properties to be set independently from font-lock:
2363 just call syntax-propertize to make sure the text is propertized.
2364 Together with this new variable come a new hook
2365 syntax-propertize-extend-region-functions, as well as two helper functions:
2366 syntax-propertize-via-font-lock to reuse old font-lock-syntactic-keywords
2367 as-is; and syntax-propertize-rules which provides a new way to specify
2370 *** Syntax tables support a new "comment style c" additionally to style b.
2372 ** New hook `post-self-insert-hook', run after `self-insert-command'.
2374 ** frame-local variables cannot be let-bound any more.
2376 ** Major and minor mode changes
2378 *** `set-auto-mode' now respects mode: local variables at the end of files,
2379 as well as those in the -*- line.
2381 *** `prog-mode' is a new major mode from which programming modes
2384 **** `prog-mode-hook' can be used to enable features for programming
2385 modes, e.g. (add-hook 'prog-mode-hook 'flyspell-prog-mode) to enable
2386 on-the-fly spell checking for comments and strings.
2388 *** New hook `change-major-mode-after-body-hook', run by
2389 `run-mode-hooks' just before any other mode hooks.
2391 *** Enabled globalized minor modes can be disabled in specific major modes.
2392 If the global mode is global-FOO-mode, then run (FOO-mode -1) in the
2393 major mode's hook, where FOO-mode toggles the mode on a per-buffer basis.
2395 *** `define-minor-mode' accepts new keywords :variable, :after-hook.
2397 ** File-handling changes
2399 *** `delete-file' and `delete-directory' now accept optional arg TRASH.
2400 Trashing is performed if TRASH and `delete-by-moving-to-trash' are
2401 both non-nil. Interactively, TRASH defaults to t, unless a prefix
2402 argument is supplied (see Trash changes, above).
2404 *** New file predicates: `file-equal-p', `file-in-directory-p'.
2406 ** Tool-bars can display separators.
2407 Tool-bar separators are handled like menu separators in menu-bar maps,
2408 i.e. via menu entries of the form `(menu-item "--")'.
2412 *** Animated images support (currently animated gifs only).
2414 **** `image-animated-p' returns non-nil if an image can be animated.
2416 **** `image-animate' animates a supplied image spec.
2418 **** `image-animate-timer' returns the timer object for an image that
2421 *** `image-extension-data' has been renamed to `image-metadata'.
2422 The old name is an obsolete alias to the new one.
2424 *** Image mode can view any image type that ImageMagick supports.
2425 This requires Emacs to be built with ImageMagick support.
2427 **** New function `imagemagick-types', defined if ImageMagick support
2428 is enabled, returns a list of image file extensions that your
2429 ImageMagick installation supports.
2431 **** New function `imagemagick-register-types' enables ImageMagick
2432 image types in Image mode and in `create-image' and other helper
2435 **** New option `imagemagick-types-inhibit' excludes certain
2436 ImageMagick image types from `imagemagick-register-types'.
2438 **** With ImageMagick support, there are extra Image mode commands to
2439 resize and rotate images: `image-transform-fit-to-height',
2440 `image-transform-fit-to-width', `image-transform-set-rotation', and
2441 `image-transform-set-scale'.
2443 ** `compose-mail' now accepts an optional 8th arg, RETURN-ACTION, and
2444 passes it to the mail user agent function. This argument specifies an
2445 action for returning to the caller after finishing with the mail. For
2446 example, this is used by Rmail to optionally delete a mail window.
2448 ** XML and HTML parsing
2449 If Emacs is compiled with libxml2 support, there are two new
2450 functions: `libxml-parse-html-region' (which parses "real world" HTML)
2451 and `libxml-parse-xml-region' (which parses XML). Both return an
2452 Emacs Lisp parse tree.
2454 ** Networking and encryption changes
2456 *** `open-network-stream' can now be used to open an encrypted stream.
2457 It now accepts an optional `:type' parameter for initiating a TLS
2458 connection, directly or via STARTTLS. To do STARTTLS, additional
2459 parameters (`:end-of-command', `:success', `:capabilities-command')
2460 must also be supplied.
2462 *** New library gnutls.el.
2463 The new function `gnutls-available-p' returns non-nil if Emacs is
2464 built with GnuTLS support. The main entry points are
2465 `open-gnutls-stream' and `gnutls-negotiate'. It's easiest to use
2466 these functions through `open-network-stream', because that can
2467 upgrade connections through STARTTLS opportunistically or use plain
2468 SSL, depending on your needs. For debugging, set `gnutls-log-level'
2471 *** New primitive `secure-hash' that supports many secure hash algorithms:
2472 md5, sha1, sha2, sha224, sha256, sha384, and sha512. The lisp library
2473 sha1.el has been removed. The `sha1' feature is provided by default.
2477 *** New hook `isearch-update-post-hook' that runs in `isearch-update'.
2479 ** Progress reporters can now "spin".
2480 The MIN-VALUE and MAX-VALUE arguments of `make-progress-reporter' can
2481 now be nil, or omitted. This makes a "non-numeric" reporter. Each
2482 time you call `progress-reporter-update' on that progress reporter,
2483 with a nil or omitted VALUE argument, the reporter message is
2484 displayed with a "spinning bar".
2486 ** New variable `revert-buffer-in-progress-p' is true while a buffer is
2487 being reverted, even if the buffer has a local `revert-buffer-function'.
2489 ** New variables `delayed-warnings-list' and `delayed-warnings-hook'.
2490 If delayed-warnings-list is non-nil, the command loop calls
2491 `delayed-warnings-hook' after `post-command-hook'. At present, this
2492 is only used by Emacs on some platforms to display warnings during
2493 startup, which might otherwise not be noticed. This uses the
2494 functions `display-delayed-warnings' and `collapse-delayed-warnings'.
2496 ** rx.el has a new `group-n' construct for explicitly numbered groups.
2498 ** New function `make-composed-keymap' that constructs a new keymap
2499 from multiple input maps. You can use this to make a keymap that
2500 inherits from multiple maps, eg:
2501 (set-keymap-parent newmap (make-composed-keymap othermap parent))
2503 ** New function `string-prefix-p'.
2504 (This was actually added in Emacs 23.2 but was not advertised at the time.)
2506 ** New reader macro ## that stands for the empty symbol.
2507 This means that the empty symbol can now be read back. Also, #: by itself
2508 (when not immediately followed by a possible symbol character) stands for
2509 an empty uninterned symbol.
2511 ** New math functions `isnan', `copysign', `frexp', `ldexp'.
2513 ** The following functions and variables are obsolete:
2515 *** `tooltip-use-echo-area' is obsolete.
2516 Rather than setting this to t, disable Tooltip mode instead.
2518 *** buffer-substring-filters is obsolete.
2519 Use `filter-buffer-substring-functions' instead.
2521 *** `byte-compile-disable-print-circle' is obsolete.
2523 *** `deferred-action-list' and `deferred-action-function' are obsolete.
2524 Use `post-command-hook' instead.
2526 *** `font-lock-maximum-size' is obsolete.
2529 * Changes in Emacs 24.1 on non-free operating systems
2531 ** On MS Windows, Emacs warns when using the obsolete init file _emacs,
2532 and also when HOME is set to C:\ by default.
2534 ** New configure.bat options
2536 *** --enable-checking builds Emacs with extra runtime checks.
2538 *** --distfiles specifies files to be included in binary distribution.
2540 *** --without-gnutls disables automatic GnuTLS detection.
2542 *** --lib for general library linkage, works with the USER_LIBS build variable.
2544 ** New make target `dist' to create binary distribution for MS Windows.
2546 ** The Lisp function `w32-default-color-map' is now obsolete.
2547 (It is only used internally in the Emacs C code.)
2549 ** Customize ns-auto-hide-menu-bar to have the menu-bar hidden, but
2550 reappear on mouse-over. (Requires OS X 10.6 or later.)
2552 ** On Mac OS X, dragging a file into Emacs visits the file, like on
2553 other platforms, rather than inserting its contents into the buffer.
2556 ----------------------------------------------------------------------
2557 This file is part of GNU Emacs.
2559 GNU Emacs is free software: you can redistribute it and/or modify
2560 it under the terms of the GNU General Public License as published by
2561 the Free Software Foundation, either version 3 of the License, or
2562 (at your option) any later version.
2564 GNU Emacs is distributed in the hope that it will be useful,
2565 but WITHOUT ANY WARRANTY; without even the implied warranty of
2566 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2567 GNU General Public License for more details.
2569 You should have received a copy of the GNU General Public License
2570 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
2575 paragraph-separate: "[
\f]*$"