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1GNU Emacs NEWS -- history of user-visible changes.
2
3Copyright (C) 2010 Free Software Foundation, Inc.
4See the end of the file for license conditions.
5
6Please send Emacs bug reports to bug-gnu-emacs@gnu.org.
7If possible, use M-x report-emacs-bug.
8
9This file is about changes in Emacs version 24.
10
11See files NEWS.23, NEWS.22, NEWS.21, NEWS.20, NEWS.19, NEWS.18,
12and NEWS.1-17 for changes in older Emacs versions.
13
14You can narrow news to a specific version by calling `view-emacs-news'
15with a prefix argument or by typing C-u C-h C-n.
16
17
18Temporary note:
19 +++ indicates that the appropriate manual has already been updated.
20 --- means no change in the manuals is called for.
21When you add a new item, please add it without either +++ or ---
22so we will look at it and add it to the manual.
23
24\f
25* Installation Changes in Emacs 24.1
26
27** Configure links against libselinux if it is found.
28You can disable this by using --without-selinux.
29
30---
31** By default, the installed Info and man pages are compressed.
32You can disable this by configuring --without-compress-info.
33
34---
35** There are new configure options:
36--with-mmdf, --with-mail-unlink, --with-mailhost.
37These provide no new functionality, they just remove the need to edit
38lib-src/Makefile by hand in order to use the associated features.
39
40---
41** There is a new configure option --with-crt-dir.
42This is only useful if your crt*.o files are in a non-standard location.
43
44---
45** Emacs can be compiled against Gtk+ 3.0 if you pass --with-x-toolkit=gtk3
46to configure. Note that other libraries used by Emacs, RSVG and GConf,
47also depend on Gtk+. You can disable them with --without-rsvg and
48--without-gconf.
49
50** There is a new configure option --enable-use-lisp-union-type.
51This is only useful for Emacs developers to debug certain types of bugs.
52This is not a new feature; only the configure flag is new.
53
54---
55** New translation of the Emacs Tutorial in Hebrew is available
56Type `C-u C-h t' to choose it in case your language setup doesn't
57automatically select it.
58
59\f
60* Startup Changes in Emacs 24.1
61
62** The --unibyte, --multibyte, --no-multibyte, and --no-unibyte
63command line arguments no longer have any effect. (They were declared
64obsolete in Emacs 23.)
65
66\f
67* Changes in Emacs 24.1
68
69** emacsclient changes
70
71*** New emacsclient argument --parent-id ID can be used to open a
72client frame in parent X window ID, via XEmbed. This works like the
73--parent-id argument to Emacs.
74
75*** If emacsclient shuts down as a result of Emacs signalling an
76error, its exit status is 1.
77
78** Completion can cycle, depending on completion-cycle-threshold.
79
80** auto-mode-case-fold is now enabled by default.
81
82+++
83** Emacs now supports display and editing of bidirectional text.
84
85See the node "Bidirectional Editing" in the Emacs Manual for some
86initial documentation.
87
88To turn this on in any given buffer, set the buffer-local variable
89`bidi-display-reordering' to a non-nil value. The default is nil.
90
91The buffer-local variable `bidi-paragraph-direction', if non-nil,
92forces each paragraph in the buffer to have its base direction
93according to the value of this variable. Possible values are
94`right-to-left' and `left-to-right'. If the value is nil (the
95default), Emacs determines the base direction of each paragraph from
96its text, as specified by the Unicode Bidirectional Algorithm.
97
98The function `current-bidi-paragraph-direction' returns the actual
99value of paragraph base direction at point.
100
101Reordering of bidirectional text for display in Emacs is a "Full
102bidirectionality" class implementation of the Unicode Bidirectional
103Algorithm.
104
105Note that some advanced display features, such as overlay strings and
106`display' text properties, do not yet work correctly when
107bidirectional text is reordered for display.
108
109** GTK scroll-bars are now placed on the right by default.
110Use `set-scroll-bar-mode' to change this.
111
112** GTK tool bars can have just text, just images or images and text.
113Customize `tool-bar-style' to choose style. On a Gnome desktop, the default
114is taken from the desktop settings.
115
116** GTK tool bars can be placed on the left/right or top/bottom of the frame.
117The frame-parameter tool-bar-position controls this. It takes the values
118top, left, right or bottom. The Options => Show/Hide menu has entries
119for this.
120
121** ImageMagick support.
122It is now possible to use the ImageMagick library to load many new
123image formats in Emacs. By default, Emacs links with the ImageMagick
124libraries if they are present at build time. To disable this, use
125the configure option `--without-imagemagick'.
126
127The new function `imagemagick-types' returns a list of image file
128extensions that your installation of ImageMagick supports. The
129function `imagemagick-register-types' enables ImageMagick support for
130these image types, minus those listed in `imagemagick-types-inhibit'.
131
132See the Emacs Lisp Reference Manual for more information.
133
134** The colors for selected text (the region face) are taken from the GTK
135theme when Emacs is built with GTK.
136
137** Emacs uses GTK tooltips by default if built with GTK. You can turn that
138off by customizing x-gtk-use-system-tooltips.
139
140** Lucid menus and dialogs can display antialiased fonts if Emacs is built
141with Xft. To change font, use X resource faceName, for example:
142Emacs.pane.menubar.faceName: Courier-12
143Set faceName to none and use font to use the old X fonts.
144
145** On graphical displays, the mode-line no longer ends in dashes.
146
147** Basic SELinux support has been added.
148This requires Emacs to be linked with libselinux at build time.
149
150*** Emacs preserves the SELinux file context when backing up, and
151optionally when copying files. To this end, copy-file has an extra
152optional argument, and backup-buffer and friends include the SELinux
153context in their return values.
154
155*** The new functions file-selinux-context and set-file-selinux-context
156get and set the SELinux context of a file.
157
158*** Tramp offers handlers for file-selinux-context and set-file-selinux-context
159for remote machines which support SELinux.
160
161** The function kill-emacs is now run upon receipt of the signals SIGTERM
162and SIGHUP, and upon SIGINT in batch mode.
163
164** kill-emacs-hook is now also run in batch mode.
165
166** New scrolling commands `scroll-up-command' and `scroll-down-command'
167(bound to C-v/[next] and M-v/[prior]) does not signal errors at top/bottom
168of buffer at first key-press (instead moves to top/bottom of buffer)
169when a new variable `scroll-error-top-bottom' is non-nil.
170
171** New scrolling commands `scroll-up-line' and `scroll-down-line'
172scroll a line instead of full screen.
173
174** New property `scroll-command' should be set on a command's symbol to
175define it as a scroll command affected by `scroll-preserve-screen-position'.
176
177** Trash changes
178
179*** `delete-by-moving-to-trash' now only affects commands that specify
180trashing. This avoids inadvertently trashing temporary files.
181
182*** Calling `delete-file' or `delete-directory' with a prefix argument
183now forces true deletion, regardless of `delete-by-moving-to-trash'.
184
185** New option `list-colors-sort' defines the color sort order
186for `list-colors-display'.
187
188** An Emacs Lisp package manager is now included.
189This is a convenient way to download and install additional packages,
190from elpa.gnu.org.
191
192*** `M-x list-packages' shows a list of packages, which can be
193selected for installation.
194
195*** New command `describe-package', bound to `C-h P'.
196
197*** By default, all installed packages are loaded and activated
198automatically when Emacs starts up. To disable this, set
199`package-enable-at-startup' to nil. To change which packages are
200loaded, customize `package-load-list'.
201
202** Custom Themes
203
204*** `M-x customize-themes' lists Custom themes which can be enabled.
205
206*** New option `custom-theme-load-path' is the load path for themes.
207Emacs no longer looks for custom themes in `load-path'. The default
208is to search in `custom-theme-directory', followed by a built-in theme
209directory named "themes/" in `data-directory'.
210
211** The user option `remote-file-name-inhibit-cache' controls whether
212the remote file-name cache is used for read access.
213
214** The standalone programs lib-src/digest-doc and sorted-doc have been
215replaced with Lisp commands `doc-file-to-man' and `doc-file-to-info'.
216
217\f
218* Editing Changes in Emacs 24.1
219
220** completion-at-point is now an alias for complete-symbol.
221
222** Deletion changes
223
224*** New option `delete-active-region'.
225If non-nil, C-d, [delete], and DEL delete the region if it is active
226and no prefix argument is given. If set to `kill', these commands
227kill instead.
228
229*** New command `delete-forward-char', bound to C-d and [delete].
230This is meant for interactive use, and obeys `delete-active-region';
231delete-char, meant for Lisp, does not obey `delete-active-region'.
232
233*** `delete-backward-char' is now a Lisp function.
234Apart from obeying `delete-active-region', its behavior is unchanged.
235However, the byte compiler now warns if it is called from Lisp; you
236should use delete-char with a negative argument instead.
237
238*** The option `mouse-region-delete-keys' has been deleted.
239
240** Selection changes.
241
242The default handling of clipboard and primary selections has been
243changed to conform with other X applications.
244
245The new behavior is that by default Emacs does not put selected text
246into the clipboard, and does not add it to kill-ring, merely because
247the text was selected. Only commands that kill text or copy it to the
248kill-ring (C-w, M-w, C-k, etc.) put the killed text into the
249clipboard. Selected text is put into the primary selection (on
250systems, such as X, that support the primary selection separately from
251the clipboard).
252
253Similarly, Emacs by default does not retrieve text from the clipboard
254when the mouse (e.g., mouse-2) is used for pasting text selected in
255another application. Mouse commands that paste text retrieve text
256from the primary selection, on systems that support it separately from
257the clipboard. Text from the clipboard is retrieved only by C-y, M-y
258and other commands that yank text from the kill-ring.
259
260In other words, the default behavior is that mouse gestures that
261select and paste text work with the primary selection (on X), while
262keyboard commands that kill/copy and paste text work with the
263clipboard.
264
265This change also means that the "Copy", "Cut", and "Paste" items of
266the menu-bar "Edit" menu are now exactly equivalent to, respectively
267M-w, C-w, and C-y.
268
269To get back the previous behavior, whereby mouse gestures set the
270clipboard and retrieve text from there, customize the variables
271`mouse-drag-copy-region' and (on X only) `x-select-enable-primary' to
272non-nil values. If you don't want Emacs to put the text into the
273clipboard, only to the primary selection, additionally customize
274`x-select-enable-clipboard' to nil.
275
276These changes in the default behavior are reflected in the default
277values of several variables:
278
279*** `select-active-regions' now defaults to t, so active regions set
280the primary selection. It was nil in previous versions.
281
282It also accepts a new value, `only', which means to only set the
283primary selection for temporarily active regions (usually made by
284mouse-dragging or shift-selection).
285
286*** `mouse-2' is now bound to `mouse-yank-primary'.
287Previously, it was bound to `mouse-yank-at-click' (which is now
288unbound by default).
289
290*** `x-select-enable-clipboard' now defaults to t on all platforms.
291Thus, killing and yanking now use the clipboard (in addition to the
292kill ring). Note that this variable was already non-nil by default on
293MS-Windows, which does not support the primary selection between
294applications.
295
296*** `x-select-enable-primary' now defaults to nil.
297This variable exists only on X; its default value was t in previous
298versions.
299
300*** `mouse-drag-copy-region' now defaults to nil.
301Its previous default value was t.
302
303*** Support for X cut buffers has been removed.
304
305\f
306* Changes in Specialized Modes and Packages in Emacs 24.1
307
308** latex-electric-env-pair-mode keeps \begin..\end matched on the fly.
309
310** FIXME: xdg-open for browse-url and reportbug, 2010/08.
311
312** Archive Mode has basic support to browse 7z archives.
313
314** ERC changes
315
316*** New vars `erc-autojoin-timing' and `erc-autojoin-delay'.
317If the value of `erc-autojoin-timing' is 'ident, ERC autojoins after a
318successful NickServ identification, or after `erc-autojoin-delay'
319seconds. The default value, 'ident, means to autojoin immediately
320after connecting.
321
322** In ido-mode, C-v is no longer bound to ido-toggle-vc.
323The reason is that this interferes with cua-mode.
324
325** partial-completion-mode is now obsolete.
326You can get a comparable behavior with:
327(setq completion-styles '(partial-completion initials))
328(setq completion-pcm-complete-word-inserts-delimiters t)
329
330** mpc.el: Can use pseudo tags of the form tag1|tag2 as a union of two tags.
331
332** server can listen on a specific port using the server-port option.
333
334** Calendar, Diary, and Appt
335
336---
337*** The obsolete (since Emacs 22.1) method of enabling the appt package
338by adding appt-make-list to diary-hook has been removed. Use appt-activate.
339
340---
341*** Some appt variables (obsolete since Emacs 22.1) have been removed:
342appt-issue-message (use the function appt-activate)
343appt-visible/appt-msg-window (use the variable appt-display-format)
344
345---
346*** Some diary function aliases (obsolete since Emacs 22.1) have been removed:
347view-diary-entries, list-diary-entries, show-all-diary-entries
348
349** Customize
350
351*** Customize buffers now contain a search field.
352The search is performed using `customize-apropos'.
353To turn off the search field, set custom-search-field to nil .
354
355*** Custom options now start out hidden if at their default values.
356Use the arrow to the left of the option name to toggle visibility.
357
358*** custom-buffer-sort-alphabetically now defaults to t.
359
360*** The color widget now has a "Choose" button, which allows you to
361choose a color via list-colors-display.
362
363** Dired-x
364
365*** dired-jump and dired-jump-other-window called with a prefix argument
366read a file name from the minibuffer instead of using buffer-file-name.
367
368** VC and related modes
369
370*** New VC commands: vc-log-incoming, vc-log-outgoing, vc-find-conflicted-file.
371
372**** vc-log-incoming for Git runs "git fetch" so that the necessary
373data is available locally.
374
375**** vc-log-incoming and vc-log-outgoing for Git require version 1.7 (or newer).
376
377*** New key bindings: C-x v I and C-x v O bound to vc-log-incoming and
378vc-log-outgoing, respectively.
379
380*** The 'g' key in VC diff, log, log-incoming and log-outgoing buffers
381reruns the corresponding VC command to compute an up to date version
382of the buffer.
383
384*** vc-dir for Bzr supports viewing shelve contents and shelving snapshots.
385
386*** Special markup can be added to log-edit buffers.
387The log-edit buffers are expected to have a format similar to email messages
388with headers of the form:
389 Author: <author of this change>
390 Summary: <one line summary of this change>
391 Fixes: <reference to the bug fixed by this change>
392Some backends handle some of those headers specially, but any unknown header
393is just left as is in the message, so it is not lost.
394
395**** vc-git handles Author: and Date:
396**** vc-hg handles Author: and Date:
397**** vc-bzr handles Author:, Date: and Fixes:
398**** vc-mtn handles Author: and Date:
399
400*** Pressing g in a *vc-diff* buffer reruns vc-diff, so it will
401produce an up to date diff.
402
403** Directory local variables can apply to file-less buffers.
404For example, adding "(diff-mode . ((mode . whitespace)))" to your
405.dir-locals.el file, will turn on `whitespace-mode' for *vc-diff* buffers.
406
407** SQL Mode enhancements.
408
409*** Several variables have been marked as safe local variables. The
410variables `sql-product', `sql-user', `sql-server', `sql-database' and
411`sql-port' can now be safely used as local variables.
412
413*** `sql-dialect' is a synonym for `sql-product'.
414
415*** Added ability to login with a port on MySQL and Postgres.
416The custom variable `sql-port' can be specified for connection to
417MySQL or Postgres servers. By default, the port is not listed in
418either login parameter, but will be added to the command line if set
419to a non-zero value.
420
421*** Dynamic selection of product in an SQL interactive session.
422If you use `sql-product-interactive' to start an SQL interactive
423session it uses the current value of `sql-product'. Preceding the
424invocation with C-u will force it to ask for the product before
425creating the session.
426
427*** Renaming a SQL interactive buffer when it is created.
428Prefixing the SQL interactive commands (`sql-sqlite', `sql-postgres',
429`sql-mysql', etc.) with C-u will force a new interactive session to be
430started and will prompt for the new name. This will reduce the need
431for `sql-rename-buffer' is most common use cases.
432
433*** Command continuation prompts in SQL interactive mode are suppressed.
434Multiple line commands in SQL interactive mode, generate command
435continuation prompts which needlessly confuse the output. These
436prompts are now filtered out from the output. This change impacts
437multiple line SQL statements entered with C-j between each line,
438statements yanked into the buffer and statements sent with
439`sql-send-*' functions.
440
441*** Custom variables control prompting for login parameters.
442Each supported product has a custom variable `sql-*-login-params'
443which is a list of the parameters to be prompted for before a
444connection is established.
445
446The lists consist of the following five tokens: `user', `password',
447`database', `server', and `port'. The order in which they appear is
448the order in which they are prompted. The tokens symbols can be
449replaced by a sublist starting with the token and followed by a plist
450which control the prompting for values. The tokens `user',
451`database', and `server' each can take a property of :default which
452specifies the value to be used if no value is entered. The
453`database', `server', and `port' tokens handle the :completion
454property which restricts the entry to either one of the values in the
455list or to one of the values returned by the function provided as the
456property value. The `database' and `server' tokens also accept the
457:file property whose value is a regexp to identify useful file names.
458
459 (user :default DEF)
460 (database :default DEF
461 :file FILEPAT
462 :completion COMPLETE)
463 (server :default DEF
464 :file FILEPAT
465 :completion COMPLETE)
466
467The FILEPAT when :file is specified is a regexp that will match valid
468file names (without the directory portion). Generally these strings
469will be of the form ".+\.SUF" where SUF is the desired file suffix.
470
471When :completion is specified, the COMPLETE corresponds to the
472PREDICATE argument to the `completing-read' function (a list of
473possible values or a function returning such a list).
474
475*** Added `sql-connection-alist' to record login parameter values.
476An alist for recording different username, database and server
477values. If there are multiple databases that you connect to the
478parameters needed can be stored in this alist.
479
480For example, the following might be set in the user's init.el:
481
482 (setq sql-connection-alist
483 '((dev (sql-product 'sqlite)
484 (sql-database "/home/mmaug/dev.db"))
485 (prd (sql-product 'oracle)
486 (sql-user "mmaug")
487 (sql-database "iprd2a"))))
488
489This defines two connections named "dev" and "prd".
490
491*** Added `sql-connect' to use predefined connections.
492Sets the login parameters based on the values in the
493`sql-connection-alist' and start a SQL interactive session. Any
494values specified in the connection will not be prompted for.
495
496In the example above, if the user were to invoke M-x sql-connect, they
497would be prompted for the connection. The user can respond with
498either "dev" or "prd". The "dev" connection would connect to the
499SQLite database without prompting; the "prd" connection would prompt
500for the users password and then connect to the Oracle database.
501
502**** Added SQL->Start... submenu when connections are defined.
503When connections have been defined, there is a submenu available that
504allows the user to select one to start a SQLi session. The "Start
505SQLi Session" item moves to the "Start..." submenu when cnnections
506have been defined.
507
508**** Added "Save Connection" menu item in SQLi buffers.
509When a SQLi session is not started by a connection then
510`sql-save-connection' will gather the login params specified for the
511session and save them as a new connection.
512
513*** List database objects and details.
514Once a SQL interactive session has been started, you can get a list of
515the objects in the database and see details of those objects. The
516objects shown and the details available are product specific.
517
518**** List all objects.
519Using `M-x sql-list-all', `C-c C-l a' or selecting "SQL->List all
520objects" will list all the objects in the database. At a minimum it
521lists the tables and views in the database. Preceeding the command by
522universal argument may provide additional details or extend the
523listing to include other schemas objects. The list will appear in a
524separate window in view-mode.
525
526**** List Table details.
527Using `M-x sql-list-table', `C-c C-l t' or selecting "SQL->List Table
528details" will ask for the name of a database table or view and display
529the list of columns in the relation. Preceeding the comand with the
530universal argument may provide additional details about each column.
531The list will appear in a separate window in view-mode.
532
533*** Added option `sql-send-terminator'.
534When set makes sure that each command sent with `sql-send-*' commands
535are properly terminated and submitted to the SQL processor.
536
537*** Added option `sql-oracle-scan-on'.
538When set commands sent to Oracle's SQL*Plus are scanned for strings
539starting with an ampersand and the user is asked for replacement text.
540In general, the SQL*Plus option SCAN should always be set OFF under
541SQL interactive mode and this option used in its place.
542
543*** SQL interactive mode will replace tabs with spaces.
544This prevents the comand interpretter for MySQL and Postgres from
545listing object name completions when being sent text via
546`sql-send-*' functions.
547
548*** An API for manipulating SQL product definitions has been added.
549
550** s-region.el is now declared obsolete, superceded by shift-select-mode
551enabled by default in 23.1.
552
553** gdb-mi
554
555*** GDB User Interface migrated to GDB Machine Interface and now
556supports multithread non-stop debugging and debugging of several
557threads simultaneously.
558
559** D-Bus
560
561*** It is possible now, to access alternative buses than the default
562system or session bus.
563
564** Tramp
565
566*** The following access methods are discontinued: "ssh1_old",
567"ssh2_old", "scp1_old", "scp2_old" and "fish".
568
569\f
570* New Modes and Packages in Emacs 24.1
571
572** New global minor modes electric-pair-mode and electric-indent-mode.
573
574** pcase.el provides the ML-style pattern matching macro `pcase'.
575
576** smie.el is a package providing a simple generic indentation engine.
577
578** secrets.el is an implementation of the Secret Service API, an
579interface to password managers like GNOME Keyring or KDE Wallet. The
580Secret Service API requires D-Bus for communication. The command
581`secrets-show-secrets' offers a buffer with a visualization of the
582secrets.
583
584** notifications.el provides an implementation of the Desktop
585Notifications API. It requires D-Bus for communication.
586
587\f
588* Incompatible Lisp Changes in Emacs 24.1
589
590** Remove obsolete name `e' (use `float-e' instead).
591
592** A backquote not followed by a space is now always treated as new-style.
593
594** Test for special mode-class was moved from view-file to view-buffer.
595FIXME: This only says what was changed, but not what are the
596programmer-visible consequences.
597
598** Passing a nil argument to a minor mode function now turns the mode
599 ON unconditionally.
600
601** During startup, Emacs no longer adds entries for `menu-bar-lines'
602and `tool-bar-lines' to `default-frame-alist' and
603`initial-frame-alist'. With these alist entries omitted, `make-frame'
604checks the value of the variable `menu-bar-mode'/`tool-bar-mode' to
605determine whether to create a menu-bar or tool-bar, respectively.
606If the alist entries are added, they override the value of
607`menu-bar-mode'/`tool-bar-mode'.
608
609** Regions created by mouse dragging are now normal active regions,
610similar to the ones created by shift-selection. In previous Emacs
611versions, these regions were delineated by `mouse-drag-overlay', which
612has now been removed.
613
614** cl.el no longer provides `cl-19'.
615
616** The following functions and aliases, obsolete since at least Emacs 21.1,
617have been removed:
618comint-kill-output, decompose-composite-char, outline-visible,
619internal-find-face, internal-get-face, frame-update-faces,
620frame-update-face-colors, x-frob-font-weight, x-frob-font-slant,
621x-make-font-bold, x-make-font-demibold, x-make-font-unbold
622x-make-font-italic, x-make-font-oblique, x-make-font-unitalic
623x-make-font-bold-italic, mldrag-drag-mode-line, mldrag-drag-vertical-line,
624iswitchb-default-keybindings, char-bytes, isearch-return-char,
625make-local-hook
626
627** The following variables and aliases, obsolete since at least Emacs 21.1,
628have been removed:
629checkdoc-minor-keymap, vc-header-alist, directory-sep-char,
630font-lock-defaults-alist
631
632** The following files, obsolete since at least Emacs 21.1, have been removed:
633sc.el, x-menu.el, rnews.el, rnewspost.el
634
635** FIXME finder-inf.el changes.
636
637\f
638* Lisp changes in Emacs 24.1
639
640** `image-library-alist' is renamed to `dynamic-library-alist'.
641The variable is now used to load all kind of supported dynamic libraries,
642not just image libraries. The previous name is still available as an
643obsolete alias.
644
645** New variable syntax-propertize-function to set syntax-table properties.
646Replaces font-lock-syntactic-keywords which are now obsolete.
647This allows syntax-table properties to be set independently from font-lock:
648just call syntax-propertize to make sure the text is propertized.
649Together with this new variable come a new hook
650syntax-propertize-extend-region-functions, as well as two helper functions:
651syntax-propertize-via-font-lock to reuse old font-lock-syntactic-keywords
652as-is; and syntax-propertize-rules which provides a new way to specify
653syntactic rules.
654
655** New hook post-self-insert-hook run at the end of self-insert-command.
656
657+++
658** Syntax tables support a new "comment style c" additionally to style b.
659** frame-local variables cannot be let-bound any more.
660** prog-mode is a new major-mode meant to be the parent of programming mode.
661** define-minor-mode accepts a new keyword :variable.
662
663** `delete-file' and `delete-directory' now accept optional arg TRASH.
664Trashing is performed if TRASH and `delete-by-moving-to-trash' are
665both non-nil. Interactively, TRASH defaults to t, unless a prefix
666argument is supplied (see Trash changes, above).
667
668** buffer-substring-filters is obsoleted by filter-buffer-substring-functions.
669
670** New completion style `substring'.
671
672** `facemenu-read-color' is now an alias for `read-color'.
673The command `read-color' now requires a match for a color name or RGB
674triplet, instead of signalling an error if the user provides a invalid
675input.
676
677
678** Image API
679
680*** When the image type is one of listed in `image-animated-types'
681and the number of sub-images in the image is more than one, then the
682new function `create-animated-image' creates an animated image where
683sub-images are displayed successively with the duration defined by
684`image-animate-max-time' and the delay between sub-images defined
685by the Graphic Control Extension of the image.
686
687*** `image-extension-data' is renamed to `image-metadata'.
688
689** XML and HTML parsing
690
691*** If Emacs is compiled with libxml2 support (which is the default),
692two new Emacs Lisp-level functions are defined:
693`xml-parse-html-string-internal' (which will parse "real world" HTML)
694and `xml-parse-string-internal' (which parses XML). Both return an
695Emacs Lisp parse tree.
696
697FIXME: These should be front-ended by xml.el.
698
699** FIXME GnuTLS
700
701** Isearch
702
703*** New hook `isearch-update-post-hook' that runs in `isearch-update'.
704
705** Progress reporters can now "spin".
706The MIN-VALUE and MAX-VALUE arguments of `make-progress-reporter' can
707now be nil, or omitted. This makes a "non-numeric" reporter. Each
708time you call `progress-reporter-update' on that progress reporter,
709with a nil or omitted VALUE argument, the reporter message is
710displayed with a "spinning bar".
711
712\f
713* Changes in Emacs 24.1 on non-free operating systems
714
715** New configure.bat option --enable-checking builds emacs with extra
716runtime checks.
717
718** New configure.bat option --distfiles to specify files to be
719 included in binary distribution
720
721** New make target `dist' to create binary disttribution for Windows
722 platform
723
724\f
725----------------------------------------------------------------------
726This file is part of GNU Emacs.
727
728GNU Emacs is free software: you can redistribute it and/or modify
729it under the terms of the GNU General Public License as published by
730the Free Software Foundation, either version 3 of the License, or
731(at your option) any later version.
732
733GNU Emacs is distributed in the hope that it will be useful,
734but WITHOUT ANY WARRANTY; without even the implied warranty of
735MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
736GNU General Public License for more details.
737
738You should have received a copy of the GNU General Public License
739along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
740
741\f
742Local variables:
743mode: outline
744paragraph-separate: "[ \f]*$"
745end: