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29b7722a | 1 | GNU Emacs NEWS -- history of user-visible changes. |
5b87ad55 | 2 | |
ab422c4d | 3 | Copyright (C) 2010-2013 Free Software Foundation, Inc. |
5b87ad55 | 4 | See the end of the file for license conditions. |
a933dad1 | 5 | |
893db5bc | 6 | Please send Emacs bug reports to bug-gnu-emacs@gnu.org. |
9a21d88b KS |
7 | If possible, use M-x report-emacs-bug. |
8 | ||
eb199145 | 9 | This file is about changes in Emacs version 24. |
9a21d88b | 10 | |
eb199145 GM |
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. | |
9a21d88b KS |
13 | |
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. | |
3f7194ed | 16 | |
a1ed8b05 | 17 | Temporary note: |
219afb88 GM |
18 | +++ indicates that all necessary updates to the manuals in doc/ are complete. |
19 | --- means no change in the manuals is needed. | |
20 | When you add a new item, use the appropriate mark if you know it applies, | |
21 | otherwise leave it unmarked. | |
a1ed8b05 GM |
22 | |
23 | \f | |
95a32efb | 24 | * Installation Changes in Emacs 24.4 |
7c3d167f | 25 | |
ffdc270a | 26 | ** Emacs can be compiled with ACL support. |
7c3d167f RF |
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 | |
ffdc270a | 29 | configure option `--disable-acl'. |
7c3d167f | 30 | |
2f23b3ab | 31 | ** Emacs can be compiled with file notification support. |
671d4bfc GM |
32 | This happens by default if a suitable system library is found at |
33 | build time. To prevent this, use the configure option | |
34 | `--with-file-notification-no'. See below for file-notify features. | |
35 | FIXME? This feature is not available for the Nextstep port. (?) | |
2f23b3ab | 36 | |
335142f9 GM |
37 | ** The configure option `without-compress-info' has been generalized, |
38 | and renamed to `without-compress-install'. It now prevents compression | |
39 | of _any_ files during installation. | |
40 | ||
aec32f66 | 41 | ** The configure option --with-crt-dir has been removed. |
f1e496a5 EZ |
42 | It is no longer needed, as the crt*.o files are no longer linked |
43 | specially. | |
44 | ||
ae7bfbf5 JB |
45 | ** Directories passed to configure option `--enable-locallisppath' are |
46 | no longer created during installation. | |
47 | ||
313546eb LMI |
48 | ** Emacs can be compiled with zlib support. If this library is present |
49 | (which it normally is on most systems), the function | |
7699d09e LMI |
50 | `zlib-decompress-region' becomes available, which can decompress gzip- |
51 | and zlib-format compressed data. | |
313546eb | 52 | |
9524a13d JD |
53 | --- |
54 | ** Emacs for NS (OSX, GNUStep) can be built with ImageMagick support. | |
55 | pkg-config is required to find ImageMagick libraries. | |
56 | ||
3fa2054e JD |
57 | ** For OSX >= 10.5, the Core text based font backend from the Mac port is used. |
58 | For GNUStep and OSX 10.4 the old backend is used. | |
59 | To use the old backend by default, do on the command line: | |
60 | % defaults write org.gnu.Emacs FontBackend ns | |
61 | ||
c57b2d76 | 62 | \f |
95a32efb | 63 | * Startup Changes in Emacs 24.4 |
c57b2d76 GM |
64 | |
65 | \f | |
95a32efb | 66 | * Changes in Emacs 24.4 |
c6c08d3f | 67 | |
0a12fca0 EZ |
68 | +++ |
69 | ** Emacs now supports menus on text-mode terminals. | |
70 | If the terminal supports a mouse, clicking on the menu bar, or on | |
71 | sensitive portions of the mode line or header line, will drop down the | |
72 | menu defined at that position. Likewise, clicking C-mouse-2 or | |
73 | C-mouse-2 or C-mouse-3 on the text area will pop up the menus defined | |
74 | for those locations. | |
75 | ||
76 | If the text terminal does not support a mouse, you can activate the | |
77 | first menu-bar menu by typing F10, which invokes `menu-bar-open'. | |
78 | ||
79 | If you want the previous behavior, whereby F10 invoked `tmm-menubar', | |
80 | customize the option `tty-menu-open-use-tmm' to a non-nil value. | |
81 | (Typing M-` will always invoke `tmm-menubar', even if | |
82 | `tty-menu-open-use-tmm' is nil.) | |
83 | ||
29f47822 LL |
84 | ** Key ? also describes prefix bindings like C-h. |
85 | ||
ed4fd9c5 DA |
86 | +++ |
87 | ** `cache-long-line-scans' has been renamed to `cache-long-scans' | |
88 | because it affects caching of paragraph scanning results as well. | |
89 | ||
61a5bb85 BG |
90 | +++ |
91 | ** `apropos-variable' is now `apropos-user-option' | |
92 | `apropos-user-option' shows all user options while `apropos-variable' | |
93 | shows all variables. When called with a universal prefix argument, | |
94 | the two commands swap their behaviors. When `apropos-do-all' is | |
95 | non-nil, they output the same results. | |
96 | ||
c6c08d3f GM |
97 | +++ |
98 | ** `eval-defun' on an already defined defcustom calls the :set function, | |
99 | if there is one. | |
100 | ||
97a1cd9d GM |
101 | ** If the new variable `enable-dir-local-variables' is nil, |
102 | directory local variables are ignored. May be useful for some modes | |
103 | that want to ignore directory-locals while still respecting file-locals. | |
104 | ||
5dea55d2 CY |
105 | ** The option `set-mark-default-inactive' has been deleted. |
106 | This unfinished feature was introduced by accident in Emacs 23.1; | |
107 | simply disabling Transient Mark mode does the same thing. | |
108 | ||
dc646358 CK |
109 | ** `initial-buffer-choice' can now specify a function to set up the |
110 | initial buffer. | |
111 | ||
90582f05 GM |
112 | ** The *Messages* buffer is created in a new major mode `messages-buffer-mode', |
113 | and read-only. Code that might create the *Messages* buffer should | |
114 | call the function `messages-buffer' to do so and set the mode. | |
115 | ||
ef099a94 MN |
116 | ** `remember-notes' creates a buffer whose content is saved on kill-emacs. |
117 | You may think of it as a *scratch* buffer whose content is preserved. | |
118 | In fact, it was designed as a replacement for *scratch* buffer and can | |
119 | be used that way by setting `initial-buffer-choice' to `remember-notes' | |
120 | and `remember-notes-buffer-name' to "*scratch*". Without the second | |
121 | change, *scratch* buffer will still be there for notes that do not | |
122 | need to be preserved. | |
123 | ||
cbee2131 PE |
124 | ** `write-region-inhibit-fsync' now defaults to t in batch mode. |
125 | ||
7c3d167f RF |
126 | ** ACL support has been added. |
127 | +++ | |
128 | *** Emacs preserves the ACL entries of files when backing up. | |
129 | +++ | |
130 | *** New functions `file-acl' and `set-file-acl' get and set the ACL | |
66447e07 EZ |
131 | entries of a file. On GNU/Linux, the POSIX ACL interface is used via |
132 | libacl. On MS-Windows, the NT Security APIs are used to emulate the | |
133 | POSIX ACL interfaces. | |
7c3d167f | 134 | |
99548339 | 135 | ** New option `scroll-bar-adjust-thumb-portion'. |
a219080b EZ |
136 | Available only on X, this option allows to control over-scrolling |
137 | using the scroll bar (i.e. dragging the thumb down even when the end | |
138 | of the buffer is visible). | |
99548339 | 139 | |
708e05f6 LMI |
140 | ** New function `add-face-text-property' has been added, which can be |
141 | used to conveniently prepend/append new face attributes to text. | |
142 | ||
a6d63d97 GM |
143 | ** In compiled Lisp files, the header no longer includes a timestamp. |
144 | ||
4e3f9230 YM |
145 | ** Multi-monitor support has been added. |
146 | ||
147 | *** New functions `display-monitor-attributes-list' and | |
148 | `frame-monitor-attributes' can be used to obtain information about | |
149 | each physical monitor on multi-monitor setups. | |
150 | ||
cf13177e YM |
151 | *** The functions `display-pixel-width' and `display-pixel-height' now |
152 | behave consistently among the platforms: they return the pixel width | |
153 | or height for all physical monitors associated with the given display | |
154 | as just they were on X11. To get information for each physical | |
155 | monitor, use the new functions above. Similar notes also apply to | |
156 | `x-display-pixel-width', `x-display-pixel-height', `display-mm-width', | |
157 | `display-mm-height', `x-display-mm-width', and `x-display-mm-height'. | |
158 | ||
61e56e2c JB |
159 | ** New macro `alternatives-define' can be used to define generic commands. |
160 | Generic commands are interactive functions whose implementation can be | |
161 | selected among several alternatives, as a matter of user preference. | |
162 | ||
18c26d81 JD |
163 | ** The blink cursor stops blinking after 10 blinks (default) on X and NS. |
164 | You can change the default by customizing the variable blink-cursor-blinks. | |
165 | Also timers for blinking are stopped when no blinking is done, so Emacs does | |
166 | not consume CPU cycles. | |
167 | ||
6585d561 JB |
168 | ** New command `frameset-to-register' is now bound to `C-x r f', replacing |
169 | `frame-configuration-to-register'. It offers similar functionality, plus | |
170 | some enhancements, like the ability to restore deleted frames. Command | |
171 | `frame-configuration-to-register' is still available, but unbound. | |
172 | ||
6950f152 KH |
173 | ** The command `quail-help' is deleted. Use `C-h C-\' |
174 | (`describe-input-method') instead. | |
175 | ||
c57b2d76 | 176 | \f |
95a32efb | 177 | * Editing Changes in Emacs 24.4 |
4f0552c2 | 178 | |
0aa3616e SB |
179 | ** `split-window' is no longer a command, just a non-interactive function. |
180 | As a command it was a special case of `split-window-below', and as such | |
181 | superfluous. After being reimplemented in Lisp, its interactive form | |
182 | was mistakenly retained. | |
183 | ||
a45b7647 JL |
184 | ** New commands `toggle-frame-fullscreen' and `toggle-frame-maximized', |
185 | bound to <f11> and M-<f10>, respectively. | |
37f38bca | 186 | |
958614cf GM |
187 | ** In keymaps where SPC scrolls, S-SPC now scrolls in the reverse direction. |
188 | Eg View mode, etc. | |
189 | ||
4c672a0f EZ |
190 | +++ |
191 | ** New option `visual-order-cursor-movement'. | |
192 | If this is non-nil, cursor motion with arrow keys will follow the | |
193 | visual order of characters on the screen: <left> always moves to the | |
194 | left, <right> always moves to the right, disregarding the surrounding | |
195 | bidirectional context. | |
196 | ||
0b1619da LL |
197 | ** New command `kmacro-to-register' to store keyboard macros in registers. |
198 | ||
ac2f8659 MY |
199 | ** Shell Script mode |
200 | ||
201 | *** `sh-mode' now has the mode own `add-log-current-defun-function'. | |
202 | You can pick the name of the function and the variables with `C-x 4 a'. | |
203 | ||
4f0552c2 | 204 | \f |
95a32efb | 205 | * Changes in Specialized Modes and Packages in Emacs 24.4 |
4f0552c2 | 206 | |
56ea7291 SM |
207 | ** The debugger's `e' command evaluates the code in the context at point. |
208 | This includes using the lexical environment at point, which means that | |
209 | `e' now lets you access lexical variables as well. | |
210 | ||
26b3353a TH |
211 | ** `eshell' now supports visual subcommands and options |
212 | Eshell has been able to handle "visual" commands (interactive, | |
213 | non-line oriented commands such as top that require display | |
214 | capabilities not provided by eshell) by running them in an Emacs | |
215 | terminal emulator. See `eshell-visual-commands'. | |
216 | ||
217 | This feature has been extended to subcommands and options that make a | |
218 | usually line-oriented command a visual command. Typical examples are | |
219 | "git log" and "git <command> --help" which display their output in a | |
220 | pager by default. See `eshell-visual-subcommands' and | |
221 | `eshell-visual-options'. | |
222 | ||
3179b276 LMI |
223 | ** If your Emacs is compiled with libxml2 support, you can use the new |
224 | built-in web browser `eww'. | |
225 | ||
c034abda BG |
226 | ** `remember' can now store notes in separates files |
227 | You can use the new function `remember-store-in-files' within the | |
228 | `remember-handler-functions' option. | |
229 | ||
230 | See `remember-data-directory' and `remember-directory-file-name-format' | |
231 | for new options related to this function. | |
deee89ff | 232 | |
940e5099 SM |
233 | ** More packages look for ~/.emacs.d/<foo> additionally to ~/.<foo>. |
234 | Affected files: | |
235 | ~/.emacs.d/timelog replaces ~/.timelog | |
940e5099 SM |
236 | ~/.emacs.d/vip replaces ~/.vip |
237 | ~/.emacs.d/viper replaces ~/.viper | |
238 | ~/.emacs.d/ido.last replaces ~/.ido.last | |
239 | ~/.emacs.d/kkcrc replaces ~/.kkcrc | |
240 | ~/.emacs.d/quickurls replaces ~/.quickurls | |
241 | ~/.emacs.d/idlwave replaces ~/.idlwave | |
242 | ~/.emacs.d/bdfcache.el replaces ~/.bdfcache.el | |
243 | ~/.emacs.d/places replaces ~/.emacs-places | |
244 | ~/.emacs.d/shadows replaces ~/.shadows | |
245 | ~/.emacs.d/shadow_todo replaces ~/.shadow_todo | |
246 | ~/.emacs.d/strokes replaces ~/.strokes | |
247 | ~/.emacs.d/notes replaces ~/.notes | |
248 | ~/.emacs.d/type-break replaces ~/.type-break | |
d29bf51c SB |
249 | Also the following files used by the now obsolete otodo-mode.el: |
250 | ~/.emacs.d/todo-do replaces ~/.todo-do | |
251 | ~/.emacs.d/todo-done replaces ~/.todo-done | |
252 | ~/.emacs.d/todo-top replaces ~/.todo-top | |
253 | ||
e56221d5 | 254 | |
c4f268a1 SM |
255 | ** Delphi mode is now called OPascal mode. |
256 | *** All delphi-* variables and functions have been renamed to opascal-*. | |
02f473a4 JB |
257 | *** `delphi-newline-always-indents' is not supported any more. |
258 | Use `electric-indent-mode' instead. | |
c4f268a1 SM |
259 | *** `delphi-tab' is gone, replaced by `indent-for-tab-command'. |
260 | ||
0b1619da LL |
261 | ** Eldoc Mode works properly in the minibuffer. |
262 | ||
e5b5a34d SM |
263 | ** jit-lock-debug-mode lets you use the debuggers on code run via jit-lock. |
264 | ||
b14abca9 RW |
265 | ** completing-read-multiple's separator can now be a regexp. |
266 | The default separator is changed to allow surrounding spaces around the comma. | |
267 | ||
19b748ad TM |
268 | ** Battery |
269 | ||
270 | *** Battery information via the BSD `apm' utility is now supported. | |
271 | ||
96673afe JL |
272 | ** Buffer Menu |
273 | ||
274 | *** `M-s a C-o' shows lines matching a regexp in marked buffers using Occur. | |
275 | ||
fd3a9a6b GM |
276 | ** Calendar and Diary |
277 | ||
3b5c03d3 GM |
278 | *** New faces: `calendar-weekday-header', `calendar-weekend-header', |
279 | `calendar-month-header'. | |
280 | ||
281 | *** New option `calendar-day-header-array'. | |
282 | ||
283 | *** The variable `calendar-font-lock-keywords' is obsolete. | |
284 | ||
fd3a9a6b | 285 | +++ |
f8780a05 | 286 | *** New variable `diary-from-outlook-function', used by the command |
fd3a9a6b GM |
287 | `diary-from-outlook'. |
288 | ||
f6e8d3c1 | 289 | ** VC and related modes |
7aa7fff0 | 290 | |
f6e8d3c1 XF |
291 | *** In VC directory mode, `D' displays diffs between VC-controlled |
292 | whole tree revisions. | |
293 | ||
294 | *** In VC directory mode, `L' lists the change log for the current VC | |
295 | controlled tree in a window. | |
296 | ||
d052d3bd XF |
297 | *** In VC directory mode, `I' shows a log of changes that will be |
298 | received with a pull operation. | |
299 | ||
63191d9f XF |
300 | *** `C-x v G' (globally) and `G' (in VC directory mode) ignores a file |
301 | under current version control system. When called with a prefix | |
302 | argument, you can remove a file from the ignored file list. | |
7aa7fff0 | 303 | |
98ccf24e XF |
304 | *** `cvs-append-to-ignore' has been renamed to `vc-cvs-append-to-ignore' |
305 | because it is moved to vc-cvs.el. | |
306 | ||
ba30c70f GM |
307 | ** cl-lib |
308 | ||
309 | *** New macro cl-tagbody. | |
310 | ||
311 | +++ | |
312 | *** letf is now just an alias for cl-letf. | |
313 | ||
0e70ce93 PE |
314 | ** Calc |
315 | ||
316 | *** Calc by default now uses the Gregorian calendar for all dates, and | |
317 | uses January 1, 1 AD as its day number 1. Previously Calc used the | |
318 | Julian calendar for dates before September 14, 1752, and it used | |
319 | December 31, 1 BC as its day number 1; the new scheme is more | |
320 | consistent with Calendar's calendrical system and day numbering. | |
321 | ||
322 | *** The new variable `calc-gregorian-switch' lets you configure the | |
323 | date when Calc switches from the Julian to the Gregorian calendar. | |
324 | Nil, the default value, means to always use the Gregorian calendar. | |
325 | The value (YEAR MONTH DAY) means to start using the Gregorian calendar | |
326 | on the given date. | |
327 | ||
86e100a6 GM |
328 | *** Support for ISO 8601 dates. |
329 | ||
5db9dace JL |
330 | ** Desktop |
331 | ||
332 | *** `desktop-auto-save-timeout' defines the number of seconds between | |
333 | auto-saves of the desktop. | |
334 | ||
b958c0ad | 335 | *** `desktop-restore-frames', enabled by default, allows saving and |
6585d561 | 336 | restoring the frame/window configuration (frameset). Additional options |
36bec1b6 | 337 | `desktop-restore-in-current-display', `desktop-restore-reuses-frames' |
6585d561 | 338 | and `desktop-restore-forces-onscreen' offer further customization. |
39c0e36f | 339 | |
a2a538b1 CS |
340 | ** Dired |
341 | ||
342 | *** New minor mode `dired-hide-details-mode' hides details. | |
343 | ||
21859ebc EH |
344 | ** ERC |
345 | ||
346 | *** New option `erc-accidental-paste-threshold-seconds'. | |
347 | If set to a number, this can be used to avoid accidentally paste large | |
348 | amounts of data into the ERC input. | |
349 | ||
ed02dcfa RS |
350 | ** EPA |
351 | ||
352 | *** New option `epa-mail-aliases'. | |
353 | ||
354 | You can set this to a list of alias expansions for keys to use | |
355 | in `epa-mail-encrypt'. | |
356 | ||
357 | If one element of the variable's value is ("foo@bar.com" "foo@hello.org"), | |
358 | that means: when one of the recipients of the message being encrypted | |
359 | is `foo@bar.com', encrypt the message for `foo@hello.org' instead. | |
360 | ||
361 | If one element of the variable's value is ("foo@bar.com"), | |
362 | that means: when one of the recipients of the message being encrypted | |
363 | is `foo@bar.com', ignore that name as regards encryption. | |
364 | This is useful to avoid a query when you have no key for that name. | |
365 | ||
7cc8ae06 GM |
366 | --- |
367 | ** New F90 mode option `f90-smart-end-names'. | |
368 | ||
02f473a4 | 369 | ** Icomplete is a bit more like Ido. |
21859ebc EH |
370 | *** key bindings to navigate through and select the completions. |
371 | *** The icomplete-separator is customizable, and its default has changed. | |
372 | *** Removed icomplete-show-key-bindings. | |
1db9ceee XF |
373 | *** Icomplete-mode by defaults applies to all forms of minibuffer completion. |
374 | (setq icomplete-with-completion-tables '(internal-complete-buffer)) | |
375 | will revert to the old behavior. | |
376 | ||
21859ebc | 377 | |
3f0faa45 XF |
378 | ** Ido |
379 | *** Ido has a manual now. | |
8121f089 XF |
380 | *** `ido-use-virtual-buffers' takes a new value 'auto. |
381 | *** `ido-decorations' has been slightly extended to give a bit more control. | |
3f0faa45 | 382 | |
2a43515a | 383 | ** Image mode |
20de6ab6 CW |
384 | |
385 | *** New commands `n' (`image-next-file') and `p' (`image-previous-file') | |
386 | visit the next image file and the previous image file in the same | |
387 | directory, respectively. | |
388 | ||
c0211c4e GM |
389 | *** New commands to show specific frames of multi-frame images. |
390 | `f' (`image-next-frame') and `b' (`image-previous-frame') visit the | |
391 | next or previous frame. `F' (`image-goto-frame') shows a specific frame. | |
392 | ||
3a2ddc2d GM |
393 | *** New commands to speed up, slow down, or reverse animation. |
394 | ||
2a43515a CY |
395 | --- |
396 | *** The command `image-mode-fit-frame' deletes other windows. | |
397 | When toggling, it restores the frame's previous window configuration. | |
398 | It also has an optional frame argument, which can be used by Lisp | |
399 | callers to fit the image to a frame other than the selected frame. | |
400 | ||
e38e6780 JL |
401 | ** Info |
402 | ||
403 | *** New face `info-index-match' is used to highlight matches in index | |
404 | entries displayed by `Info-index-next', `Info-virtual-index' and | |
405 | `info-apropos'. | |
406 | ||
e5e4a942 JL |
407 | ** Hi-Lock |
408 | ||
409 | *** New option `hi-lock-auto-select-face'. When non-nil, hi-lock commands | |
410 | will cycle through faces in `hi-lock-face-defaults' without prompting. | |
411 | ||
412 | +++ | |
413 | *** New global command `M-s h .' (`highlight-symbol-at-point') | |
414 | highlights the symbol found near point without prompting, | |
415 | using the next face automatically. | |
416 | ||
d289938a | 417 | ** Search and Replace |
279f9b06 | 418 | |
e5e4a942 JL |
419 | *** New global command `M-s .' (`isearch-forward-symbol-at-point') |
420 | starts a symbol (identifier) incremental search forward with the | |
421 | symbol found near point added to the search string initially. | |
422 | ||
279f9b06 JL |
423 | *** `C-x 8 RET' in Isearch mode reads a character by its Unicode name |
424 | and adds it to the search string. | |
425 | ||
2db59b1d XF |
426 | *** `M-s i' in Isearch mode toggles the variable `isearch-invisible' |
427 | between nil and the value of the option `search-invisible' (or `open' | |
428 | when it's nil). | |
01dea85f | 429 | |
d289938a JL |
430 | *** `query-replace' skips invisible text when `search-invisible' is nil, |
431 | and opens overlays with hidden text when `search-invisible' is `open'. | |
432 | ||
80fa505f AM |
433 | +++ |
434 | *** By default, prefix arguments do not now terminate Isearch mode. | |
435 | Set `isearch-allow-prefix' to nil to restore old behavior. | |
436 | ||
6e8cfc81 JL |
437 | *** More Isearch commands accept prefix arguments, namely |
438 | `isearch-printing-char', `isearch-quote-char', `isearch-yank-word', | |
439 | `isearch-yank-line'. | |
440 | ||
a22289f7 JL |
441 | *** Word search now matches whitespace at the beginning/end |
442 | of the search string if it contains leading/trailing whitespace. | |
443 | In an incremental word search or when using a non-nil LAX argument | |
444 | of `word-search-regexp', the lax matching can also match part of | |
445 | the first word (in addition to the lax matching of the last word). | |
446 | The same rules are now applied to the symbol search with the difference | |
447 | that it matches symbols, and non-symbol characters between symbols. | |
448 | ||
5a3cbc03 | 449 | ** MH-E has been updated to MH-E version 8.5. |
6827cac1 BW |
450 | See MH-E-NEWS for details. |
451 | ||
13a40633 GM |
452 | --- |
453 | ** The unrmail command converts from BABYL to mboxrd rather than mboxo. | |
454 | Customize `unrmail-mbox-format' to change this. | |
455 | ||
456 | --- | |
457 | ** Similarly, customize `rmail-mbox-format' to influence some minor aspects | |
458 | of how Rmail displays non-MIME messages. | |
459 | ||
4f0552c2 GM |
460 | +++ |
461 | ** New function `ses-rename-cell' to give SES cells arbitrary names. | |
462 | ||
8b62d742 SM |
463 | ** trace-function was largely rewritten. |
464 | New features include: | |
465 | - no prompting for the destination buffer, unless a prefix-arg was used. | |
466 | - additionally to prompting for a destination buffer, when a prefix-arg is | |
467 | used, the user can enter a "context", i.e. Lisp expression whose value at the | |
468 | time the function is entered/exited will be printed along with the function | |
469 | name and arguments. Useful to trace the value of (current-buffer) or | |
470 | (point) when the function is invoked. | |
471 | ||
9631677d SS |
472 | ** New command `delete-duplicate-lines' has new types of operation: |
473 | When its arg ADJACENT is non-nil (when called interactively with C-u C-u) | |
c38a186c JL |
474 | it works like the utility `uniq'. Otherwise by default it deletes |
475 | duplicate lines everywhere in the region without regard to adjacency. | |
02f473a4 JB |
476 | When its arg KEEP-BLANKS is non-nil (when called interactively with |
477 | C-u C-u C-u), duplicate blank lines are preserved. | |
c38a186c | 478 | |
ad4de702 MN |
479 | ** New `cycle-spacing' command allows cycling between having just one |
480 | space, no spaces, or reverting to the original spacing. Like | |
481 | `just-one-space' command it can handle or ignore newlines and | |
482 | leave different number of spaces. | |
483 | ||
d29bf51c SB |
484 | ** Todo mode has been rewritten and enhanced. |
485 | New features include: | |
486 | - support for multiple todo files and archive files of done items; | |
487 | - renaming, reordering, moving, merging, and deleting categories; | |
488 | - sortable tabular summaries of categories and the types of items they contain; | |
adc5dbce | 489 | - cross-category lists of items filtered by specific criteria; |
d29bf51c SB |
490 | - more fine-grained interaction with the Emacs diary, by being able to decide |
491 | for each todo item whether it appears in the Fancy Diary display; | |
492 | - highly flexible new item insertion and item editing; | |
493 | - moving items between categories, storing done items in their category or in | |
494 | archive files, undoing or unarchiving done items; | |
495 | - reprioritizing items by inputting a numerical priority; | |
496 | - extensive customizability of operation and display, including numerous faces. | |
8bcced1f | 497 | The Todo mode user manual describes all commands and most user options. |
d29bf51c SB |
498 | To support some of these features, a new file format is used, which is |
499 | incompatible with the old format; however, you can convert old todo and done | |
500 | item files to the new format on initializing the first new todo file, or at any | |
501 | later time with the provided conversion command. The old version of | |
502 | todo-mode.el has been made obsolete and renamed otodo-mode.el. | |
503 | ||
aefa2ead | 504 | ** Tramp |
26280467 | 505 | |
179923f7 MA |
506 | *** The experimental url syntax for remote file names is withdrawn. |
507 | ||
aefa2ead MA |
508 | +++ |
509 | *** New connection method "adb", which allows to access Android | |
19dc8b9e MA |
510 | devices by the Android Debug Bridge. The variable `tramp-adb-program' |
511 | can be used to adapt the path of the "adb" program, if needed. | |
26280467 | 512 | |
19dc8b9e MA |
513 | *** The connection methods "plink1", "ssh1", "ssh2", "scp1", "scp2", |
514 | "scpc" and "rsyncc" are discontinued. The ssh option | |
515 | "ControlMaster=auto" is set automatically in all ssh-based methods, | |
516 | when possible. | |
26280467 | 517 | |
ed7367b1 MA |
518 | +++ |
519 | *** Handlers for `file-acl' and `set-file-acl' for remote machines | |
520 | which support POSIX ACLs. | |
aefa2ead | 521 | |
f1c7dee9 MA |
522 | +++ |
523 | *** Handlers for `file-notify-add-watch' and `file-notify-rm-watch' | |
524 | for remote machines which support filesystem notifications. | |
525 | ||
238cebef GM |
526 | ** VHDL mode |
527 | ||
528 | *** New options: `vhdl-actual-generic-name', `vhdl-beautify-options'. | |
529 | ||
530 | *** New commands: `vhdl-fix-statement-region', `vhdl-fix-statement-buffer'. | |
531 | ||
433212bf CY |
532 | ** Woman |
533 | ||
534 | *** The commands `woman-default-faces' and `woman-monochrome-faces' | |
88c45e34 | 535 | are obsolete. Customize the `woman-*' faces instead. |
433212bf | 536 | |
aa534cb7 AG |
537 | ** Eshell |
538 | ||
f1c7dee9 | 539 | *** Added Eshell-Tramp module |
aa534cb7 | 540 | External su and sudo commands are now the default; the internal, |
f1c7dee9 | 541 | Tramp-using variants can still be used by enabling the eshell-tramp |
aa534cb7 AG |
542 | module. |
543 | ||
bb102690 GM |
544 | ** New term.el option `term-suppress-hard-newline'. |
545 | ||
770de7cf CY |
546 | ** Obsolete packages: |
547 | ||
548 | *** longlines.el is obsolete; use visual-line-mode instead. | |
549 | ||
27c8b6eb GM |
550 | +++ |
551 | *** sup-mouse.el. | |
552 | ||
ce3e7725 CY |
553 | *** terminal.el is obsolete; use term.el instead. |
554 | ||
d29bf51c SB |
555 | *** The previous version of todo-mode.el is obsolete and renamed otodo-mode.el. |
556 | ||
30bce3f0 MA |
557 | *** xesam.el. |
558 | ||
4e16ddf4 GM |
559 | +++ |
560 | *** yow.el is obsolete; use fortune.el or cookie1.el instead. | |
561 | ||
5313bbc7 GM |
562 | --- |
563 | *** The Info-edit command is obsolete. Editing Info nodes by hand | |
564 | has not been relevant for some time. | |
565 | ||
0463c1ef PE |
566 | ** Shell |
567 | ||
568 | *** `explicit-bash-args' now always defaults to use --noediting. | |
569 | During initialization, Emacs no longer expends a process to decide | |
570 | whether it is safe to use Bash's --noediting option. These days | |
571 | --noediting is ubiquitous; it was introduced in 1996 in Bash version 2. | |
572 | ||
4f0552c2 | 573 | \f |
95a32efb | 574 | * New Modes and Packages in Emacs 24.4 |
02f473a4 | 575 | |
002668e1 TZ |
576 | ** New `superword-mode' in subword.el |
577 | `superword-mode' overrides the default word motion commands to treat | |
578 | symbol_words as a single word, similar to what `subword-mode' does and | |
579 | using the same internal functions. | |
580 | ||
231d8498 SM |
581 | ** New nadvice.el package offering lighter-weight advice facilities. |
582 | It is layered as: | |
583 | - add-function/remove-function which can be used to add/remove code on any | |
584 | function-carrying place, such as process-filters or `<foo>-function' hooks. | |
585 | - advice-add/advice-remove to add/remove a piece of advice on a named function, | |
586 | much like `defadvice' does. | |
587 | ||
8cd4636c JB |
588 | ** New frameset.el package. |
589 | It provides a set of operations to save a frameset (the state of all | |
590 | or a subset of the existing frames and windows, somewhat similar to a | |
591 | frame configuration), both in-session and persistently, and restore it | |
592 | at some point in the future. | |
593 | ||
fb830820 MA |
594 | +++ |
595 | ** The package filenotify.el provides an interface for file system | |
f1c7dee9 MA |
596 | notifications. It requires, that Emacs is compiled with one of the |
597 | low-level libraries gfilenotify.c, inotify.c or w32notify.c. | |
598 | ||
c57b2d76 | 599 | \f |
95a32efb | 600 | * Incompatible Lisp Changes in Emacs 24.4 |
da03ef8a | 601 | |
a104f656 SM |
602 | ** `defvar' and `defcustom' in a let-binding affect the "external" default. |
603 | ||
db3b7db5 SM |
604 | ** The syntax of ?» and ?« is now punctuation instead of matched parens. |
605 | Some languages match those as »...« and others as «...» so better stay neutral. | |
606 | ||
0b31660d SM |
607 | ** The default file coding for Emacs Lisp files is now utf-8. |
608 | (See file-coding-system-alist.) In most cases, this change is transparent, but | |
609 | files that contain unusual characters without specifying an explicit coding | |
610 | system may fail to load with obscure errors. | |
179fcac8 | 611 | You should either convert them to utf-8 or add an explicit `coding:' cookie. |
0b31660d | 612 | |
bfa3acd6 SM |
613 | ** overriding-terminal-local-map does not replace the local keymaps any more. |
614 | It used to disable the minor mode, major mode, and text-property keymaps, | |
615 | whereas now it simply has higher precedence. | |
616 | ||
a0eb10b3 | 617 | ** Default process filters and sentinels are not nil any more. |
1aa8d505 SM |
618 | Instead they default to a function which does what the nil value used to do. |
619 | ||
25c09217 SM |
620 | ** `read-event' does not return decoded chars in ttys any more. |
621 | Just as was the case in Emacs-22 and before, decoding of tty input according to | |
622 | keyboard-coding-system is not performed in read-event any more. But contrary | |
623 | to that past, it is still done before input-decode-map/function-key-map/... | |
624 | ||
99d0d6dc SM |
625 | ** Removed inhibit-local-menu-bar-menus. |
626 | ||
e02230bf SM |
627 | ** frame-local variables that affect redisplay do not work any more. |
628 | More specifically, the redisplay does not bother to check for a frame-local | |
629 | value when looking up variables. | |
630 | ||
eadf1faa SM |
631 | ** nil and "unbound" are indistinguishable in symbol-function. |
632 | `symbol-function' never signals `void-function' any more. | |
633 | `fboundp' returns non-nil if the symbol was `fset' to nil. | |
634 | ||
3c442f8b SM |
635 | ** `defadvice' does not honor the `freeze' flag and cannot advise |
636 | special-forms any more. | |
7db1bda8 | 637 | |
da03ef8a SM |
638 | ** `dolist' in lexical-binding mode does not bind VAR in RESULT any more. |
639 | VAR was bound to nil which was not tremendously useful and just lead to | |
640 | spurious warnings about an unused var. | |
641 | ||
7c3d167f RF |
642 | ** The return value of `backup-buffer' has changed. |
643 | The second argument is no longer an SELinux context, instead it is an | |
644 | alist of extended attributes as returned by the new function | |
645 | `file-extended-attributes'. The attributes can be applied to another | |
646 | file using `set-file-extended-attributes'. | |
647 | ||
954b166e PE |
648 | ** `visited-file-modtime' now returns -1 for nonexistent files. |
649 | Formerly it returned a list (-1 LOW USEC PSEC), but this was ambiguous | |
650 | in the presence of files with negative time stamps. | |
1af4c220 GM |
651 | |
652 | ** The cars of the elements in `interpreter-mode-alist' are now treated | |
2a08047a GM |
653 | as regexps rather than literal strings. Technically this is an |
654 | incompatible change, but unless you are using interpreter-mode-alist | |
655 | for something (not just adding elements to it), it ought not to affect you. | |
1af4c220 | 656 | |
c57b2d76 | 657 | \f |
97a1cd9d | 658 | * Lisp Changes in Emacs 24.4 |
57618ecf | 659 | |
0a12fca0 EZ |
660 | ** Functions that pop up menus and dialogs now work on all terminal types. |
661 | This includes `x-popup-menu', `x-popup-dialog', `message-box', | |
662 | `yes-or-no-p', etc. | |
663 | ||
3e0b94e7 DC |
664 | ** New bool-vector set operation functions: |
665 | *** `bool-vector-exclusive-or' | |
666 | *** `bool-vector-union' | |
667 | *** `bool-vector-intersection' | |
668 | *** `bool-vector-set-difference' | |
669 | *** `bool-vector-not' | |
25201ef0 | 670 | *** `bool-vector-subsetp' |
3e0b94e7 DC |
671 | *** `bool-vector-count-matches' |
672 | *** `bool-vector-count-matches-at' | |
673 | ||
ebb99847 BR |
674 | ** Comparison functions =, <, >, <=, >= now take many arguments. |
675 | ||
8c27f5ff SM |
676 | ** The second argument of `eval' can now be a lexical-environment. |
677 | ||
678 | ** `with-demoted-errors' takes an additional argument `format'. | |
54bd972f SM |
679 | +++ |
680 | ** New function `define-error'. | |
681 | ||
7fd72e2c SM |
682 | ** New hook `tty-setup-hook'. |
683 | ||
de0503df SM |
684 | +++ |
685 | ** New macro with-eval-after-load. Like eval-after-load, but better behaved. | |
686 | ||
dd8791e9 | 687 | ** Obsoleted functions: |
89561f72 | 688 | *** `log10' |
dd8791e9 SM |
689 | *** `dont-compile' |
690 | *** `lisp-complete-symbol' | |
691 | *** `field-complete' | |
692 | *** `minibuffer-completion-contents' | |
66fc57e3 JL |
693 | *** `isearch-nonincremental-exit-minibuffer' |
694 | *** `isearch-filter-visible' | |
e3eb1bb7 | 695 | *** `generic-make-keywords-list' |
d3e9f3a8 | 696 | |
d36ed1c8 SM |
697 | ** `with-wrapper-hook' is obsoleted by `add-function'. |
698 | The few hooks that used with-wrapper-hook are replaced as follows: | |
699 | *** `abbrev-expand-function' obsoletes `abbrev-expand-functions'. | |
700 | *** `completion-in-region-function' obsoletes `completion-in-region-functions'. | |
701 | *** `filter-buffer-substring-function' obsoletes `filter-buffer-substring-functions'. | |
702 | ||
77c92cb9 RS |
703 | ** `split-string' now takes an optional argument TRIM. |
704 | The value, if non-nil, is a regexp that specifies what to trim from | |
705 | the start and end of each substring. | |
d36ed1c8 | 706 | |
f557c1b1 SM |
707 | ** `get-upcase-table' is obsoleted by the new `case-table-get-table'. |
708 | ||
81606b10 RS |
709 | ** Support for filesystem notifications. |
710 | Emacs now supports notifications of filesystem changes, such as | |
711 | creation, modification, and deletion of files. This requires the | |
2f23b3ab MA |
712 | `glib' API, or the 'inotify' API (on GNU/Linux systems only). On |
713 | MS-Windows systems, this is supported for Windows XP and newer | |
714 | versions. | |
81606b10 | 715 | |
add89f61 MA |
716 | ** Changes in autorevert.el |
717 | ||
718 | --- | |
719 | *** If Emacs is compiled with file notification support, notifications | |
720 | are used instead of checking the time stamp of the files. You can | |
721 | disable this by setting the user option `auto-revert-use-notify' to | |
722 | nil. Alternatively, a regular expression of directories to be | |
723 | excluded from file notifications can be specified by | |
724 | `auto-revert-notify-exclude-dir-regexp'. | |
725 | ||
726 | --- | |
727 | *** The new user option `auto-revert-remote-files' enables reversion | |
728 | of remote files when set to non-nil. | |
729 | ||
1c4f115d CY |
730 | ** Face changes |
731 | ||
02f473a4 | 732 | *** The function `face-spec-set' is now analogous to `setq' for face specs. |
1c4f115d CY |
733 | Its third arg now accepts values specifying exactly which face spec to |
734 | set (defface, custom, or user spec), and it directly sets the relevant | |
735 | property using the supplied face spec. | |
736 | ||
737 | *** Face specs set via Custom themes now replace the `defface' spec | |
738 | rather than inheriting from it (as do face specs set via Customize). | |
739 | ||
073ca75b JL |
740 | *** New face characteristic (supports :underline (:style wave)) |
741 | specifies whether or not the terminal can display a wavy line. | |
742 | ||
f0c954fa GM |
743 | ** Image API |
744 | ||
745 | +++ | |
746 | *** `image-animated-p' is now `image-multi-frame-p'. | |
747 | It returns non-nil for any image that contains multiple frames, | |
748 | whether or not it specifies a frame delay. | |
749 | ||
750 | +++ | |
751 | *** When animating images that do not specify a frame delay, | |
752 | Emacs uses `image-default-frame-delay'. | |
753 | ||
754 | +++ | |
755 | *** New functions `image-current-frame' and `image-show-frame' for getting | |
756 | and setting the current frame of a multi-frame image. | |
757 | ||
3a2ddc2d GM |
758 | *** You can change the speed of animated images. |
759 | ||
1b796d6b EZ |
760 | ** Changes in encoding and decoding of text |
761 | ||
762 | --- | |
763 | *** New coding-system `prefer-utf-8'. | |
764 | This is like `undecided' but prefers UTF-8 on decoding if the text to | |
765 | be decoded does not contain any invalid UTF-8 sequences. On encoding, | |
766 | any non-ASCII characters are automatically encoded as UTF-8. | |
767 | ||
768 | --- | |
769 | *** New attributes of coding-systems whose type is `undecided'. | |
770 | Two new attributes, `:inhibit-null-byte-detection' and | |
771 | `:inhibit-iso-escape-detection', determine how to detect encoding of | |
772 | text that includes null bytes and ISO-2022 escape sequences, | |
773 | respectively. Each of these attributes can be either nil, zero, or | |
774 | t. If it is t, decoding text ignores null bytes and, respectively, | |
775 | ISO-2022 sequences. If it is nil, null bytes cause text to be decoded | |
776 | with no-conversion and ISO-2022 sequences cause Emacs to assume the | |
777 | text is encoded in one of the ISO-2022 encodings, such as | |
778 | iso-2022-7bit. If the value is zero, Emacs consults the variables | |
779 | inhibit-null-byte-detection and inhibit-iso-escape-detection, which | |
780 | see. | |
781 | The new attribute `:prefer-utf-8', if non-nil, causes Emacs to prefer | |
782 | UTF-8 encoding and decoding, whenever possible. | |
783 | ||
784 | These attributes are only meaningful for coding-systems of type | |
785 | `undecided'. (The type of a coding-system is determined by its | |
786 | `:coding-type' attribute and can be accessed by calling the | |
787 | `coding-system-type' function.) | |
788 | ||
954b166e PE |
789 | ** The function `set-visited-file-modtime' now accepts a 0 or -1 argument |
790 | with the same interpretation as the returned value of `visited-file-modtime'. | |
791 | ||
855b17af | 792 | ** time-to-seconds is not obsolete any more. |
671d5c16 | 793 | ** New functions special-form-p and macrop. |
57618ecf SM |
794 | ** Docstrings can be made dynamic by adding a `dynamic-docstring-function' |
795 | text-property on the first char. | |
796 | ||
32e5c58c SM |
797 | ** The `defalias-fset-function' property lets you catch calls to defalias |
798 | and redirect them to your own function instead of `fset'. | |
799 | ||
70743157 | 800 | ** The lock for 'DIR/FILE' is now 'DIR/.#FILE' and may be a regular file. |
b5029e23 PE |
801 | When you edit DIR/FILE, Emacs normally creates a symbolic link |
802 | DIR/.#FILE as a lock that warns other instances of Emacs that DIR/FILE | |
803 | is being edited. Formerly, if there was already a non-symlink file | |
804 | named DIR/.#FILE, Emacs fell back on the lock names DIR/.#FILE.0 | |
805 | through DIR/.#FILE.9. These fallbacks have been removed, so that | |
806 | Emacs now no longer locks DIR/FILE in that case. | |
807 | ||
70743157 PE |
808 | On file systems that do not support symbolic links, the lock is now a |
809 | regular file with contents being what would have been in the symlink. | |
b5029e23 | 810 | |
97976f9f PE |
811 | ** The 9th element returned by `file-attributes' is now unspecified. |
812 | Formerly, it was t if the file's gid would change if file were deleted | |
813 | and recreated. This value has been inaccurate for years on many | |
814 | platforms, and nobody seems to have noticed or cared. | |
815 | ||
816 | ** The function `file-ownership-preserved-p' now has an optional | |
817 | argument GROUP which causes it check for file group too. This can be | |
818 | used in place of the 9th element of `file-attributes'. | |
819 | ||
820 | ** New functions `group-gid' and `group-real-gid'. | |
821 | ||
7c3d167f RF |
822 | ** The 6th argument to `copy-file' has been renamed to |
823 | `preserve-extended-attributes' as it now handles both SELinux context | |
824 | and ACL entries. | |
825 | ||
67982e2b SM |
826 | ** The `common-substring' argument of display-completion-list is obsolete. |
827 | Either use `completion-all-completions' which already returns highlighted | |
828 | strings (including for partial or substring completion) or call | |
829 | `completion-hilit-commonality' to add the highlight. | |
830 | ||
8fa2654e CS |
831 | ** Changes to the Emacs Lisp Coding Conventions in Emacs 24.4 |
832 | ||
833 | *** The package descriptor and name of global variables, constants, | |
0a2da075 | 834 | and functions should be separated by two hyphens if the symbol is not |
8fa2654e CS |
835 | meant to be used by other packages. |
836 | ||
c57b2d76 | 837 | \f |
97a1cd9d | 838 | * Changes in Emacs 24.4 on Non-Free Operating Systems |
95a32efb | 839 | |
7605d081 GM |
840 | ** The procedure for building Emacs on MS-Windows has changed. |
841 | It is now built by running the same configure script as on all other | |
842 | platforms. This requires the MSYS environment and MinGW development | |
843 | tools. See the updated instructions in nt/INSTALL for details. | |
671d4bfc GM |
844 | |
845 | Using the Posix configure script and Makefile's also means a change in | |
846 | the directory structure of the Emacs installation on Windows. It is | |
847 | now the same as on GNU and Unix systems. In particular, the auxiliary | |
848 | programs, such as cmdproxy.exe and hexl.exe, are in | |
849 | libexec/emacs/VERSION/i686-pc-mingw32 (where VERSION is the Emacs | |
850 | version), version-independent site-lisp is in share/emacs/site-lisp, | |
851 | version-specific Lisp files are in share/emacs/VERSION/lisp and in | |
852 | share/emacs/VERSION/site-lisp, Info docs are in share/info, and data | |
853 | files are in share/emacs/VERSION/etc. (Emacs knows about all these | |
854 | directories and will find the files in there automatically; there's no | |
855 | need to set any variables due to this change.) | |
856 | ||
5248293f GM |
857 | +++ |
858 | ** The "generate a backtrace on fatal error" feature now works on MS Windows. | |
859 | The backtrace is written to the 'emacs_backtrace.txt' file in the | |
860 | directory where Emacs was running. | |
861 | ||
8549f9e8 EZ |
862 | +++ |
863 | ** The variable `buffer-file-type' is no longer supported. | |
864 | Setting it has no effect, and %t in the mode-line format is ignored. | |
865 | Likewise, `file-name-buffer-file-type-alist' is now obsolete, and | |
866 | modifying it has no effect. | |
867 | ||
343a2aef EZ |
868 | --- |
869 | ** Lock files now work on MS-Windows. | |
870 | This allows to avoid losing your edits if the same file is being | |
871 | edited in another Emacs session or by another user. See the node | |
872 | "Interlocking" in the Emacs User Manual for the details. To disable | |
873 | file locking, customize `create-lockfiles' to nil. | |
874 | ||
c57b2d76 GM |
875 | ** Improved fullscreen support on Mac OS X. |
876 | Both native (>= OSX 10.7) and "old style" fullscreen are supported. | |
877 | Customize `ns-use-native-fullscreen' to change style. For >= 10.7 | |
878 | native is the default. | |
879 | ||
95a32efb | 880 | \f |
2a1e2476 | 881 | * Installation Changes in Emacs 24.3 |
b8df54ff | 882 | |
6bc66c10 | 883 | ** The default X toolkit is now Gtk+ version 3. |
823b2fb6 GM |
884 | If you don't pass `--with-x-toolkit' to configure, or if you use |
885 | `--with-x-toolkit=gtk' or `--with-x-toolkit=yes', configure will try | |
886 | to build with Gtk+ version 3, and if that fails, try Gtk+ version 2. | |
d71a6517 | 887 | You can explicitly require a specific version by passing |
823b2fb6 | 888 | `--with-x-toolkit=gtk2' or `--with-x-toolkit=gtk3' to configure. |
da3d2105 | 889 | |
6bc66c10 | 890 | ** New configure option `--enable-link-time-optimization', to utilize |
da3d2105 DA |
891 | an appropriate feature provided by GCC since version 4.5.0. |
892 | ||
33cb2043 GM |
893 | ** New configure option `--without-all' to disable most of the optional |
894 | features (image support, etc.) that are normally enabled by default. | |
b8df54ff | 895 | |
33cb2043 GM |
896 | ** New configure option `--enable-gcc-warnings' (for developing/debugging |
897 | Emacs). If building with GCC, this enables compile-time checks that | |
64420fcd GM |
898 | warn/give errors about possibly-questionable C code. On a recent GNU |
899 | system there should be no warnings; on older and on non-GNU systems | |
900 | the results may be useful to developers. | |
b8df54ff | 901 | |
823b2fb6 | 902 | ** The configure option `--enable-use-lisp-union-type' has been |
6bc66c10 | 903 | renamed to `--enable-check-lisp-object-type', as the resulting |
d71a6517 GM |
904 | Lisp_Object type no longer uses a union to implement the compile time |
905 | check that this option enables. | |
906 | ||
823b2fb6 | 907 | ** The configure option `--disable-maintainer-mode' has been removed, |
501390c5 PE |
908 | as it was confusingly-named and rarely useful. |
909 | ||
f14a4380 GM |
910 | ** The configure options `--program-prefix', `--program-suffix', and |
911 | `--program-transform-name' apply to more than just the installed | |
912 | binaries. Now they also affect the man pages, icons, and the | |
913 | etc/emacs.desktop file; but not the info pages, since this would break | |
914 | links between the various manuals. | |
1a9c6830 | 915 | |
823b2fb6 GM |
916 | ** You can use `NO_BIN_LINK=t make install' to prevent the installation |
917 | overwriting "emacs" in the installation bin/ directory with a link | |
6bc66c10 | 918 | to "emacs-VERSION". |
823b2fb6 | 919 | |
a4a18b8b GM |
920 | ** Emacs uses libtinfo in preference to libncurses, if available. |
921 | ||
187e9b90 GM |
922 | ** On FreeBSD and NetBSD, configure no longer adds /usr/local/lib and |
923 | /usr/pkg/lib to the linker search path. You must add them yourself if | |
924 | you want them. | |
925 | ||
6bc66c10 | 926 | ** The standalone scripts `rcs-checkin' and `vcdiff' have been removed |
276d5f5d GM |
927 | (from the bin and libexec directories, respectively). The former is |
928 | no longer relevant, the latter is replaced by lisp (in vc-sccs.el). | |
929 | ||
a1ed8b05 | 930 | \f |
2a1e2476 | 931 | * Startup Changes in Emacs 24.3 |
e5fcdb5e GM |
932 | |
933 | ** Emacs no longer searches for `leim-list.el' files beneath the standard | |
934 | lisp/ directory. There should not be any there anyway. If you have | |
823b2fb6 | 935 | been adding them there, put them somewhere else; e.g., site-lisp. |
e5fcdb5e | 936 | |
4107c81e GM |
937 | ** The `--no-site-lisp' command line option now works for Nextstep builds. |
938 | ||
a1ed8b05 | 939 | \f |
2a1e2476 | 940 | * Changes in Emacs 24.3 |
a1ed8b05 | 941 | |
6bc66c10 | 942 | ** Help |
c89926a5 | 943 | |
6bc66c10 | 944 | *** `C-h f' (`describe-function') can now perform autoloading. |
c89926a5 CY |
945 | When this command is called for an autoloaded function whose docstring |
946 | contains a key substitution construct, that function's library is | |
947 | automatically loaded, so that the documentation can be shown | |
948 | correctly. To disable this, set `help-enable-auto-load' to nil. | |
949 | ||
950 | *** `C-h f' now reports previously-autoloaded functions as "autoloaded", | |
951 | even after their associated libraries have been loaded (and the | |
952 | autoloads have been redefined as functions). | |
953 | ||
6bc66c10 | 954 | ** ImageMagick |
cd996018 | 955 | |
6bc66c10 GM |
956 | *** Images displayed via ImageMagick now support transparency and the |
957 | :background image specification property. | |
cd996018 | 958 | |
6bc66c10 | 959 | *** When available, ImageMagick support is automatically enabled. |
c505aaeb CY |
960 | It is no longer necessary to call `imagemagick-register-types' |
961 | explicitly to install ImageMagick image types; that function is called | |
7d806bfe | 962 | automatically at startup, or when customizing an imagemagick- option. |
2f940384 | 963 | |
c505aaeb | 964 | *** Setting `imagemagick-types-inhibit' to t now disables the use of |
823b2fb6 GM |
965 | ImageMagick to view images. (You must call `imagemagick-register-types' |
966 | afterwards if you do not use customize to change this.) | |
2f940384 | 967 | |
7afbaca4 | 968 | *** The new variable `imagemagick-enabled-types' also affects which |
60b5f187 GM |
969 | ImageMagick types are treated as images. The function |
970 | `imagemagick-filter-types' returns the list of types that will be | |
971 | treated as images. | |
c505aaeb | 972 | |
f3f9606c LMI |
973 | *** ImageMagick images now support the :max-width and :max-height |
974 | keywords. | |
975 | ||
8259030d | 976 | *** Some data types aren't auto-detected by ImageMagick. Adding |
c6b7ccaa LMI |
977 | :format to `create-image' may help if the content type is in the |
978 | new variable `image-format-suffixes'. | |
8259030d | 979 | |
6bc66c10 GM |
980 | ** Minibuffer |
981 | ||
982 | *** In minibuffer filename prompts, `C-M-f' and `C-M-b' now move to the | |
983 | next and previous path separator, respectively. | |
c505aaeb | 984 | |
6bc66c10 GM |
985 | *** `minibuffer-electric-default-mode' can shorten "(default ...)" to "[...]" |
986 | in minibuffer prompts. Just set `minibuffer-eldef-shorten-default' | |
987 | non-nil before enabling the mode. | |
988 | ||
989 | ** Mode line | |
990 | ||
991 | *** New option `mode-line-default-help-echo' specifies the help text | |
992 | (shown in a tooltip or in the echo area) for any part of the mode line | |
993 | that does not have its own specialized help text. | |
994 | ||
995 | *** You can now click mouse-3 in the coding system indicator to invoke | |
996 | `set-buffer-file-coding-system'. | |
997 | ||
998 | ** Server and client | |
2f940384 | 999 | |
f938eda9 CY |
1000 | *** emacsclient now obeys string values for `initial-buffer-choice', |
1001 | if it is told to open a new frame without specifying any file to visit | |
1002 | or expression to evaluate. | |
db80bdc8 | 1003 | |
f938eda9 | 1004 | *** New option `server-auth-key' specifies a shared server key. |
f938eda9 CY |
1005 | |
1006 | ** Emacs now generates backtraces on fatal errors. | |
1007 | On encountering a fatal error, Emacs now outputs a textual description | |
1008 | of the fatal signal, and a short backtrace on platforms like glibc | |
5248293f | 1009 | that support backtraces. |
2e2d2a13 | 1010 | |
6bc66c10 GM |
1011 | ** `C-x C-q' is now bound to the new minor mode `read-only-mode'. |
1012 | This minor mode replaces `toggle-read-only', which is now obsolete. | |
1013 | ||
1014 | ** Most `y-or-n' prompts now allow you to scroll the selected window. | |
1015 | Typing `C-v' or `M-v' at a y-or-n prompt scrolls forward or backward | |
1016 | respectively, without exiting from the prompt. | |
1017 | ||
1018 | ** In the Package Menu, newly-available packages are listed as "new", | |
1019 | and sorted above the other "available" packages by default. | |
1020 | ||
f938eda9 CY |
1021 | ** If your Emacs was built from a bzr checkout, the new variable |
1022 | `emacs-bzr-version' contains information about the bzr revision used. | |
de6ff46d | 1023 | |
6bc66c10 | 1024 | ** New option `create-lockfiles' specifies usage of lockfiles. |
f938eda9 CY |
1025 | It defaults to t. Changing it to nil inhibits the creation of lock |
1026 | files (use this with caution). | |
dc0f75c8 | 1027 | |
6bc66c10 GM |
1028 | ** New option `enable-remote-dir-locals', if non-nil, allows directory-local |
1029 | variables on remote hosts. | |
21ffb35a | 1030 | |
f85f636a CY |
1031 | ** The entry for PCL-CVS has been removed from the Tools menu. |
1032 | The PCL-CVS commands are still available via the keyboard. | |
1033 | ||
6bc66c10 GM |
1034 | ** Using "unibyte: t" in Lisp source files is obsolete. |
1035 | Use "coding: raw-text" instead. | |
1036 | ||
e78e7e48 CY |
1037 | ** In the buffer made by `M-x report-emacs-bug', the `C-c m' binding |
1038 | has been changed to `C-c M-i' (`report-emacs-bug-insert-to-mailer'). | |
1039 | The previous binding, introduced in Emacs 24.1, was a mistake, because | |
1040 | `C-c LETTER' bindings are reserved for user customizations. | |
1041 | ||
6bc66c10 | 1042 | ** Internationalization |
2f940384 | 1043 | |
f938eda9 | 1044 | *** New language environment: Persian. |
2f940384 | 1045 | |
f938eda9 CY |
1046 | *** New input method `vietnamese-vni'. |
1047 | ||
6bc66c10 | 1048 | ** Nextstep (GNUstep / Mac OS X) port |
2f940384 | 1049 | |
823b2fb6 | 1050 | *** Support for fullscreen and the frame parameter fullscreen. |
2f940384 | 1051 | |
1a9c6830 GM |
1052 | *** A file dialog is used for open/save operations initiated from the |
1053 | menu/toolbar. | |
1054 | ||
a1ed8b05 | 1055 | \f |
2a1e2476 | 1056 | * Editing Changes in Emacs 24.3 |
c25df26e | 1057 | |
6bc66c10 | 1058 | ** Search and Replace |
d39d3c8e | 1059 | |
f938eda9 CY |
1060 | *** Non-regexp Isearch now performs "lax" space matching. |
1061 | Each sequence of spaces in the supplied search string may match any | |
1062 | sequence of one or more whitespace characters, as specified by the | |
1063 | variable `search-whitespace-regexp'. (This variable is also used by a | |
823b2fb6 | 1064 | similar existing feature for regexp Isearch.) |
2f940384 | 1065 | |
f938eda9 CY |
1066 | *** New Isearch command `M-s SPC' toggles lax space matching. |
1067 | This applies to both ordinary and regexp Isearch. | |
2f940384 | 1068 | |
f938eda9 CY |
1069 | *** New option `replace-lax-whitespace'. |
1070 | If non-nil, `query-replace' uses flexible whitespace matching too. | |
1071 | The default is nil. | |
2f940384 | 1072 | |
b9cb2387 JL |
1073 | *** Global `M-s _' starts a symbol (identifier) incremental search, |
1074 | and `M-s _' in Isearch toggles symbol search mode. | |
1075 | `M-s c' in Isearch toggles search case-sensitivity. | |
1076 | ||
6bc66c10 | 1077 | ** Navigation commands |
48de8b12 | 1078 | |
6bc66c10 GM |
1079 | *** New binding `M-g c' for `goto-char'. |
1080 | ||
1081 | *** New binding `M-g TAB' for `move-to-column'. | |
1082 | ||
1083 | *** `M-g TAB' (`move-to-column') prompts for a column number if called | |
1084 | interactively with no prefix arg. Previously, it moved to column 1. | |
1085 | ||
1086 | ** New option `yank-handled-properties' allows processing of text | |
1087 | properties on yanked text, in ways that are more general than just | |
1088 | removing them (as is done by `yank-excluded-properties'). | |
48de8b12 | 1089 | |
48de8b12 CY |
1090 | ** New option `delete-trailing-lines' specifies whether |
1091 | M-x delete-trailing-whitespace should delete trailing lines at the end | |
1092 | of the buffer. It defaults to t. | |
1093 | ||
f938eda9 | 1094 | ** `C-u M-=' now counts lines/words/characters in the entire buffer. |
826b3235 | 1095 | |
48de8b12 CY |
1096 | ** `C-x 8 RET' is now bound to `insert-char', which is now a command. |
1097 | `ucs-insert' is now an obsolete alias for `insert-char'. | |
b2459884 | 1098 | |
48de8b12 CY |
1099 | ** The `z' key no longer has a binding in most special modes. |
1100 | It used to be bound to `kill-this-buffer', but `z' is too easy to | |
1101 | accidentally type. | |
f938eda9 | 1102 | |
6bc66c10 GM |
1103 | ** New command `C-x r M-w' (`copy-rectangle-as-kill'). |
1104 | It copies the region-rectangle as the last rectangle kill. | |
f938eda9 | 1105 | |
6bc66c10 | 1106 | ** Registers |
f938eda9 | 1107 | |
823b2fb6 | 1108 | *** `C-x r +' is now overloaded to invoke `append-to-register'. |
f938eda9 | 1109 | |
f938eda9 | 1110 | *** New option `register-separator' specifies the register containing |
823b2fb6 GM |
1111 | the text to put between collected texts for use with |
1112 | M-x append-to-register and M-x prepend-to-register. | |
f1f4dba0 | 1113 | |
a1ed8b05 | 1114 | \f |
2a1e2476 | 1115 | * Changes in Specialized Modes and Packages in Emacs 24.3 |
ae4969c2 | 1116 | |
6bc66c10 | 1117 | ** Common Lisp emulation (CL) |
f938eda9 | 1118 | |
89660017 | 1119 | *** CL's main entry is now (require 'cl-lib). |
823b2fb6 GM |
1120 | `cl-lib' is like the old `cl' except that it uses the namespace cleanly; |
1121 | i.e., all its definitions have the "cl-" prefix (and internal definitions | |
1122 | use the "cl--" prefix). | |
7c1898a7 | 1123 | |
823b2fb6 GM |
1124 | If `cl' provided a feature under the name `foo', then `cl-lib' |
1125 | provides it under the name `cl-foo' instead; with the exceptions of the | |
1126 | few `cl' definitions that had to use `foo*' to avoid conflicts with | |
1127 | pre-existing Elisp entities. These have been renamed to `cl-foo' | |
1128 | rather than `cl-foo*'. | |
7c1898a7 | 1129 | |
92246540 | 1130 | The old `cl' is now deprecated and is mainly just a bunch of aliases that |
823b2fb6 | 1131 | provide the old, non-prefixed names. Some exceptions are listed below: |
7c1898a7 | 1132 | |
89660017 SM |
1133 | *** `cl-flet' is not like `flet' (which is deprecated). |
1134 | Instead it obeys the behavior of Common-Lisp's `flet'. | |
e8693c96 GM |
1135 | In particular, in cl-flet function definitions are lexically scoped, |
1136 | whereas in flet the scoping is dynamic. | |
89660017 SM |
1137 | |
1138 | *** `cl-labels' is slightly different from `labels'. | |
823b2fb6 GM |
1139 | The difference is that it relies on the `lexical-binding' machinery |
1140 | (as opposed to the `lexical-let' machinery used previously) to capture | |
1141 | definitions in closures, so such closures will only work if `lexical-binding' | |
1142 | is in use. | |
89660017 | 1143 | |
f94b04fc | 1144 | *** `cl-letf' is not exactly like `letf'. |
4ddedf94 GM |
1145 | The only difference is in details that relate to some deprecated usage |
1146 | of `symbol-function' in place forms. | |
f94b04fc | 1147 | |
89660017 | 1148 | *** `progv' was rewritten to use the `let' machinery. |
823b2fb6 GM |
1149 | A side effect is that variables without corresponding values are bound |
1150 | to nil rather than being made unbound. | |
89660017 | 1151 | |
9512f820 GM |
1152 | *** The following methods of extending `setf' are obsolete |
1153 | (use features from gv.el instead): | |
1154 | `define-modify-macro' (use `gv-letplace') | |
031b2ea7 GM |
1155 | `defsetf' (use `gv-define-simple-setter' or `gv-define-setter') |
1156 | `define-setf-expander' (use `gv-define-setter' or `gv-define-expander') | |
2b4da3ff | 1157 | `get-setf-method' no longer exists (see "Incompatible Lisp Changes") |
f94b04fc | 1158 | |
6bc66c10 | 1159 | ** Diff mode |
f938eda9 | 1160 | |
6bc66c10 GM |
1161 | *** Changes are now highlighted using the same color scheme as in |
1162 | modern VCSes. Deletions are displayed in red (new faces | |
1163 | `diff-refine-removed' and `smerge-refined-removed', and new definition | |
1164 | of `diff-removed'), insertions in green (new faces `diff-refine-added' | |
1165 | and `smerge-refined-added', and new definition of `diff-added'). | |
f938eda9 | 1166 | |
6bc66c10 GM |
1167 | *** The variable `diff-use-changed-face' defines whether to use the |
1168 | face `diff-changed', or `diff-removed' and `diff-added' to highlight | |
1169 | changes in context diffs. | |
2f940384 | 1170 | |
6bc66c10 GM |
1171 | *** The new command `diff-delete-trailing-whitespace' removes trailing |
1172 | whitespace introduced by a diff. | |
f938eda9 | 1173 | |
6bc66c10 GM |
1174 | ** Ediff now uses the same color scheme as Diff mode. |
1175 | ||
1176 | ** Python mode | |
1177 | ||
1178 | A new version of python.el, which provides several new features, including: | |
1179 | per-buffer shells, better indentation, Python 3 support, and improved | |
1180 | shell-interaction compatible with iPython (and virtually any other | |
1181 | text based shell). | |
1182 | ||
1183 | *** Some user options have been replaced/renamed, including (old -> new): | |
1184 | **** python-indent -> python-indent-offset | |
1185 | **** python-guess-indent -> python-indent-guess-indent-offset | |
1186 | **** python-pdbtrack-do-tracking-p -> python-pdbtrack-activate | |
1187 | **** python-use-skeletons -> python-skeleton-autoinsert | |
1188 | ||
1189 | *** Some user options have been removed, including: | |
1190 | ||
1191 | **** `python-indent-string-contents': Strings are never indented. | |
1192 | ||
1193 | **** `python-honour-comment-indentation': | |
d5b1b1aa | 1194 | Comments are always considered as indentation markers. |
6bc66c10 GM |
1195 | |
1196 | **** `python-continuation-offset': Indentation is automatically | |
1197 | calculated in a pep8 compliant way depending on the context. | |
1198 | ||
1199 | **** `python-shell-prompt-alist', `python-shell-continuation-prompt-alist': | |
1200 | Have no direct mapping as the shell interaction is completely different. | |
1201 | ||
1202 | **** `python-python-command', `python-jython-command': | |
1203 | Replaced by `python-shell-interpreter'. | |
1204 | ||
1205 | **** `inferior-python-filter-regexp', `python-remove-cwd-from-path', | |
1206 | `python-pdbtrack-minor-mode-string', `python-source-modes': | |
1207 | No longer relevant. | |
1208 | ||
1209 | *** Some commands have been replaced (old -> new): | |
1210 | **** python-insert-class -> python-skeleton-class | |
1211 | **** python-insert-def -> python-skeleton-def | |
1212 | **** python-insert-for -> python-skeleton-for | |
1213 | **** python-insert-if -> python-skeleton-if | |
1214 | **** python-insert-try/except -> python-skeleton-try | |
1215 | **** python-insert-try/finally -> python-skeleton-try | |
1216 | **** python-insert-while -> python-skeleton-while | |
1217 | **** python-find-function -> python-nav-jump-to-defun | |
1218 | **** python-next-statement -> python-nav-forward-sentence | |
1219 | **** python-previous-statement -> python-nav-backward-sentence | |
1220 | **** python-beginning-of-defun-function -> python-nav-beginning-of-defun | |
1221 | **** python-end-of-defun-function -> python-nav-end-of-defun | |
1222 | **** python-send-buffer -> python-shell-send-buffer | |
1223 | **** python-send-defun -> python-shell-send-defun | |
1224 | **** python-send-region -> python-shell-send-region | |
1225 | **** python-send-region-and-go -> emulate with python-shell-send-region | |
1226 | and python-shell-switch-to-shell | |
1227 | **** python-send-string -> python-shell-send-string | |
1228 | **** python-switch-to-python -> python-shell-switch-to-shell | |
1229 | **** python-describe-symbol -> python-eldoc-at-point | |
e76f0800 | 1230 | |
f938eda9 CY |
1231 | ** D-Bus |
1232 | ||
f938eda9 CY |
1233 | *** New variables `dbus-compiled-version' and `dbus-runtime-version'. |
1234 | ||
f938eda9 CY |
1235 | *** The D-Bus object manager interface is implemented. |
1236 | ||
f938eda9 CY |
1237 | *** Variables of type :(u)int32 and :(u)int64 accept floating points, |
1238 | if their value does not fit into Emacs's integer range. | |
1239 | ||
823b2fb6 GM |
1240 | *** The function `dbus-call-method' is now non-blocking. |
1241 | It can be interrupted by `C-g'. `dbus-call-method-non-blocking' is obsolete. | |
f938eda9 | 1242 | |
823b2fb6 | 1243 | *** Signals can also be sent as unicast messages. |
f938eda9 | 1244 | |
f938eda9 | 1245 | *** The argument list of `dbus-register-signal' has been extended, |
6bc66c10 | 1246 | according to the new match rule types of D-Bus. |
f938eda9 | 1247 | |
f938eda9 CY |
1248 | *** `dbus-init-bus' supports private connections. |
1249 | ||
f938eda9 CY |
1250 | *** There is a new function `dbus-setenv'. |
1251 | ||
6bc66c10 GM |
1252 | ** `desktop-path' no longer includes the "." directory. |
1253 | Desktop files are now located in ~/.emacs.d by default. | |
f938eda9 CY |
1254 | |
1255 | ** Dired | |
2f940384 | 1256 | |
f938eda9 CY |
1257 | *** `dired-do-async-shell-command' executes each file sequentially |
1258 | if the command ends in `;' (when operating on multiple files). | |
1259 | Otherwise, it executes the command on each file in parallel. | |
2f940384 | 1260 | |
823b2fb6 GM |
1261 | *** Typing `M-n' in the minibuffer of `dired-do-chmod', `dired-do-chgrp', |
1262 | `dired-do-chown', and `dired-do-touch' yanks the attributes of the | |
f938eda9 | 1263 | file at point. |
2f940384 | 1264 | |
f938eda9 | 1265 | *** When the region is active, `m' (`dired-mark'), `u' (`dired-unmark'), |
823b2fb6 | 1266 | `DEL' (`dired-unmark-backward'), and `d' (`dired-flag-file-deletion') |
f938eda9 | 1267 | mark/unmark/flag all files in the active region. |
2f940384 | 1268 | |
88c45e34 | 1269 | *** The minibuffer default for `=' (`dired-diff') has changed. |
f938eda9 CY |
1270 | It is now the backup file for the file at point, if one exists. |
1271 | In Transient Mark mode the default is the file at the active mark. | |
2f940384 | 1272 | |
f938eda9 CY |
1273 | *** `M-=' is no longer bound to `dired-backup-diff' in Dired buffers. |
1274 | The global binding for `M-=', `count-words-region' is in effect. | |
1275 | ||
02969baf GM |
1276 | ** ERC |
1277 | ||
6e5e9b70 GM |
1278 | *** New module "notifications", which can send a notification when you |
1279 | receive a private message or your nickname is mentioned. | |
02969baf GM |
1280 | |
1281 | *** ERC will look up server/channel names via auth-source and use any | |
1282 | channel keys found. | |
f938eda9 | 1283 | |
274f5de6 GM |
1284 | *** New option `erc-lurker-hide-list', similar to `erc-hide-list', but |
1285 | only applies to messages sent by lurkers. | |
f925b109 | 1286 | |
6bc66c10 | 1287 | ** reStructuredText mode |
f938eda9 | 1288 | |
6bc66c10 GM |
1289 | *** Keybindings (see `C-c C-h'), TAB indentation, filling and auto-filling, |
1290 | fontification, comment handling, and customization have all been revised | |
1291 | and improved. | |
f938eda9 | 1292 | |
6bc66c10 | 1293 | *** Support for `imenu' and `which-function-mode'. |
f938eda9 | 1294 | |
6bc66c10 GM |
1295 | *** The reStructuredText syntax is more closely covered. |
1296 | Sphinx support has been improved. | |
f938eda9 | 1297 | |
6bc66c10 | 1298 | *** `rst-insert-list' inserts new list or continues existing lists. |
f938eda9 | 1299 | |
6bc66c10 | 1300 | *** A negative prefix argument always works for `rst-adjust'. |
f938eda9 | 1301 | |
6bc66c10 | 1302 | *** The window configuration is reset after displaying a TOC. |
bc7be45d | 1303 | |
6bc66c10 | 1304 | *** The constant `rst-version' describes the rst.el package version. |
358c19d9 | 1305 | |
dba3cda3 GM |
1306 | ** Ruby mode |
1307 | ||
1308 | *** Support for percent literals and recognition of regular expressions | |
1309 | in method calls without parentheses with more methods, including Cucumber | |
1310 | steps definitions. | |
1311 | ||
1312 | *** Improved syntax highlighting and indentation. | |
1313 | ||
1314 | *** New command `ruby-toggle-block', bound to `C-c {'. | |
1315 | ||
1316 | *** Some non-standard keybindings/commands have been removed: | |
1317 | ||
1318 | **** `ruby-electric-brace'; use `electric-indent-mode' instead. | |
1319 | ||
1320 | **** `ruby-mark-defun'; use `mark-defun'. | |
1321 | ||
1322 | **** `ruby-beginning-of-defun' and `ruby-end-of-defun' are replaced by | |
1323 | appropriate settings for the variables `beginning-of-defun-function' | |
1324 | and `end-of-defun-function'. | |
1325 | ||
1326 | **** Non-standard keybindings for `backward-kill-word', `comment-region', | |
1327 | `reindent-then-newline-and-indent' and `newline' have been removed. | |
1328 | ||
6bc66c10 | 1329 | ** Shell Script mode |
40d8bcb8 | 1330 | |
6bc66c10 | 1331 | *** Pairing of parens/quotes uses `electric-pair-mode' instead of skeleton-pair. |
40d8bcb8 | 1332 | |
6bc66c10 | 1333 | *** `sh-electric-here-document-mode' now controls auto-insertion of here-docs. |
40d8bcb8 | 1334 | |
6bc66c10 | 1335 | *** `sh-use-smie' lets you choose a new indentation and navigation code. |
40d8bcb8 | 1336 | |
6bc66c10 | 1337 | ** VHDL mode |
40d8bcb8 | 1338 | |
6bc66c10 | 1339 | *** The free software compiler GHDL is supported (and now the default). |
40d8bcb8 | 1340 | |
6bc66c10 | 1341 | *** Support for the VHDL-AMS packages has been added/updated. |
40d8bcb8 | 1342 | |
6bc66c10 | 1343 | *** Updated to the 2002 revision of the VHDL standard. |
40d8bcb8 | 1344 | |
6bc66c10 | 1345 | *** Accepts \r and \f as whitespace. |
40d8bcb8 | 1346 | |
6bc66c10 | 1347 | ** Apropos |
40d8bcb8 | 1348 | |
6bc66c10 GM |
1349 | *** The faces used by Apropos are now directly customizable. |
1350 | These faces are named `apropos-symbol', `apropos-keybinding', and so on; | |
1351 | see the `apropos' Custom group for details. | |
d13c8be6 | 1352 | |
6bc66c10 GM |
1353 | *** The old options whose values specified faces to use have been removed |
1354 | (i.e. `apropos-symbol-face', `apropos-keybinding-face', etc.). | |
d13c8be6 | 1355 | |
6bc66c10 | 1356 | ** Buffer Menu |
d13c8be6 | 1357 | |
6bc66c10 | 1358 | *** This package has been rewritten to use Tabulated List mode. |
d13c8be6 | 1359 | |
6bc66c10 GM |
1360 | *** Option `Buffer-menu-buffer+size-width' is now obsolete. |
1361 | Use `Buffer-menu-name-width' and `Buffer-menu-size-width' instead. | |
d13c8be6 | 1362 | |
86e100a6 GM |
1363 | ** Calc |
1364 | ||
1365 | *** Algebraic simplification mode is now the default. | |
1366 | To restrict to the limited simplifications given by the former | |
1367 | default simplification mode, use `m I'. | |
1368 | ||
6bc66c10 | 1369 | ** Calendar |
d13c8be6 | 1370 | |
6bc66c10 GM |
1371 | *** You can customize the header text that appears above each calendar month. |
1372 | See the variable `calendar-month-header'. | |
d13c8be6 | 1373 | |
6bc66c10 | 1374 | *** New LaTeX calendar style, produced by `cal-tex-cursor-week2-summary'. |
ee97deee | 1375 | |
6bc66c10 GM |
1376 | *** The calendars produced by cal-html include holidays. |
1377 | Customize `cal-html-holidays' to change this. | |
8b0823d6 | 1378 | |
0058cae2 GM |
1379 | ** CEDET |
1380 | ||
1381 | *** The major modes from the parser generators "Bovine" and "Wisent" | |
1382 | are now properly integrated in Emacs. The file suffixes ".by" and ".wy" | |
1383 | are in `auto-mode-alist', and the corresponding manuals are included. | |
1384 | ||
1385 | *** EDE | |
1386 | ||
1387 | **** Menu support for the "Configuration" feature. This allows users to | |
1388 | choose the active configuration (such as debug or install) from the menu. | |
1389 | ||
1390 | **** New command `ede-set' to interactively set project-local variables. | |
1391 | ||
1392 | **** Support for compiling, debugging, and running in "generic" projects. | |
1393 | ||
1394 | **** Autoconf editing support for M4 macros with complex arguments. | |
1395 | ||
1396 | **** Compilation support for the "linux" project type. | |
1397 | ||
1398 | **** "simple" projects have been removed; use "generic" projects instead. | |
1399 | ||
1400 | *** Semantic | |
1401 | ||
1402 | **** Support for parsing #include statements inside a namespace in C/C++. | |
1403 | ||
1404 | **** Improved support for 'extern "C"' declarations in C/C++. | |
1405 | ||
1406 | **** The ability to ignore more common special C/C++ preprocessor symbols, | |
1407 | such as '__nonnull' and '__asm'. Add '__cplusplus' macro when parsing C++. | |
1408 | If available, include cdefs.h as an additional source of preprocessor symbols. | |
1409 | ||
1410 | **** Improved C/C++ function pointer parsing. | |
1411 | ||
1412 | **** In Python, support for converting imports to include file names. | |
1413 | ||
1414 | **** Ability to dynamically determine the Python load path. | |
1415 | ||
1416 | **** Support for the Python 'WITH' and 'AT' keywords. | |
1417 | ||
1418 | **** Improved tooltip completion. | |
1419 | ||
1420 | *** SRecode | |
1421 | ||
1422 | **** The SRecode manual is now included. | |
1423 | ||
1424 | **** Tag generation supports constructor/destructor settings and system | |
1425 | include differentiation. | |
1426 | ||
1427 | **** Addition of 'Framework' support: Frameworks are specified when a | |
1428 | particular kind of library (such as Android) is needed in a common language | |
1429 | mode (like Java). | |
1430 | ||
1431 | **** Support for nested templates and let variables override based on priority. | |
1432 | ||
1433 | **** Support for merging tables from multiple related modes, such as | |
1434 | default -> c++ -> arduino. | |
1435 | ||
6bc66c10 | 1436 | ** Compile has a new option `compilation-always-kill'. |
42917e79 | 1437 | |
6bc66c10 | 1438 | ** Customize |
35d98877 | 1439 | |
6bc66c10 | 1440 | *** `custom-reset-button-menu' now defaults to t. |
35d98877 | 1441 | |
6bc66c10 GM |
1442 | *** Non-option variables are never matched in `customize-apropos' and |
1443 | `customize-apropos-options' (i.e., the prefix argument does nothing for | |
1444 | these commands now). | |
782fbf2a | 1445 | |
f938eda9 | 1446 | ** Term |
782fbf2a | 1447 | |
823b2fb6 GM |
1448 | *** The variables `term-default-fg-color' and `term-default-bg-color' |
1449 | are now deprecated in favor of the customizable face `term'. | |
fc72b15c | 1450 | |
02969baf GM |
1451 | *** You can customize how to display ANSI terminal colors and styles |
1452 | by customizing the corresponding `term-color-<COLOR>', | |
1453 | `term-color-underline' and `term-color-bold' faces. | |
cf20dee0 | 1454 | |
05ecb497 | 1455 | ** Tramp |
2f940384 | 1456 | |
02969baf | 1457 | *** The syntax has been extended in order to allow ad-hoc proxy definitions. |
05ecb497 | 1458 | |
823b2fb6 | 1459 | *** Remote processes are now also supported on remote MS-Windows hosts. |
05ecb497 | 1460 | |
ce7b18ec | 1461 | ** URL |
2f940384 | 1462 | |
ce7b18ec CY |
1463 | *** Structs made by `url-generic-parse-url' have nil `attributes' slot. |
1464 | Previously, this slot stored semicolon-separated attribute-value pairs | |
1465 | appended to some imap URLs, but this is not compatible with RFC 3986. | |
823b2fb6 | 1466 | So now the `filename' slot stores the entire path and query components, |
ce7b18ec | 1467 | and the `attributes' slot is always nil. |
2f940384 | 1468 | |
ce7b18ec CY |
1469 | *** New function `url-encode-url' for encoding a URI string. |
1470 | The `url-retrieve' function now uses this to encode its URL argument, | |
1471 | in case that is not properly encoded. | |
1472 | ||
843571cb LMI |
1473 | *** New command `url-cookie-list' displays all the current cookies, and |
1474 | allows deleting selected cookies. | |
1475 | ||
6bc66c10 GM |
1476 | ** notifications.el supports now version 1.2 of the Notifications API. |
1477 | The function `notifications-get-capabilities' returns the supported | |
1478 | server properties. | |
f938eda9 | 1479 | |
6bc66c10 GM |
1480 | ** Flymake uses fringe bitmaps to indicate errors and warnings. |
1481 | See `flymake-fringe-indicator-position', `flymake-error-bitmap' and | |
1482 | `flymake-warning-bitmap'. | |
f938eda9 | 1483 | |
6bc66c10 GM |
1484 | ** The FFAP option `ffap-url-unwrap-remote' can now be a list of strings, |
1485 | specifying URL types that should be converted to remote file names at | |
1486 | the FFAP prompt. The default is now '("ftp"). | |
f938eda9 | 1487 | |
6bc66c10 GM |
1488 | ** New Ibuffer `derived-mode' filter, bound to `/ M'. |
1489 | The old binding for `/ M' (filter by used-mode) is now bound to `/ m'. | |
f938eda9 | 1490 | |
6bc66c10 GM |
1491 | ** New option `mouse-avoidance-banish-position' specifies where the |
1492 | `banish' mouse avoidance setting moves the mouse. | |
ce7b18ec | 1493 | |
6bc66c10 GM |
1494 | ** In Perl mode, new option `perl-indent-parens-as-block' causes non-block |
1495 | closing brackets to be aligned with the line of the opening bracket. | |
f938eda9 | 1496 | |
6bc66c10 | 1497 | ** In Proced mode, new command `proced-renice' renices marked processes. |
f938eda9 | 1498 | |
6bc66c10 GM |
1499 | ** New option `async-shell-command-buffer' specifies the buffer to use |
1500 | for a new asynchronous `shell-command' when the default output buffer | |
1501 | `*Async Shell Command*' is already in use. | |
f938eda9 | 1502 | |
6bc66c10 GM |
1503 | ** SQL mode has a new option `sql-db2-escape-newlines'. |
1504 | If non-nil, newlines sent to the command interpreter will be escaped | |
1505 | by a backslash. The default does not escape the newlines and assumes | |
1506 | that the sql statement will be terminated by a semicolon. | |
f938eda9 | 1507 | |
6bc66c10 GM |
1508 | ** New command `tabulated-list-sort', bound to `S' in Tabulated List mode |
1509 | (and modes that derive from it), sorts the column at point, or the Nth | |
1510 | column if a numeric prefix argument is given. | |
f938eda9 | 1511 | |
02969baf | 1512 | ** `which-func-modes' now defaults to t, so Which Function mode, when |
05b621a6 | 1513 | enabled, applies to all applicable major modes. |
f938eda9 | 1514 | |
6bc66c10 | 1515 | ** `winner-mode-hook' now runs when the mode is disabled, as well as when |
823b2fb6 | 1516 | it is enabled. |
f938eda9 | 1517 | |
6bc66c10 GM |
1518 | ** Follow mode no longer works by using advice. |
1519 | The option `follow-intercept-processes' has been removed. | |
1520 | ||
1521 | ** `javascript-generic-mode' is now an obsolete alias for `js-mode'. | |
f938eda9 | 1522 | |
d1069532 SM |
1523 | ** Hooks renamed to avoid obsolete "-hooks" suffix: |
1524 | *** semantic-lex-reset-hooks -> semantic-lex-reset-functions | |
1525 | *** semantic-change-hooks -> semantic-change-functions | |
1526 | *** semantic-edits-new-change-hooks -> semantic-edits-new-change-functions | |
1527 | *** semantic-edits-delete-change-hooks -> semantic-edits-delete-change-functions | |
1528 | *** semantic-edits-reparse-change-hooks -> semantic-edits-reparse-change-functions | |
1529 | *** semanticdb-save-database-hooks -> semanticdb-save-database-functions | |
1530 | *** c-prepare-bug-report-hooks -> c-prepare-bug-report-hook | |
1531 | *** rcirc-sentinel-hooks -> rcirc-sentinel-functions | |
1532 | *** rcirc-receive-message-hooks -> rcirc-receive-message-functions | |
1533 | *** rcirc-activity-hooks -> rcirc-activity-functions | |
1534 | *** rcirc-print-hooks -> rcirc-print-functions | |
1535 | *** dbus-event-error-hooks -> dbus-event-error-functions | |
1536 | *** eieio-pre-method-execution-hooks -> eieio-pre-method-execution-functions | |
1537 | *** checkdoc-style-hooks -> checkdoc-style-functions | |
1538 | *** checkdoc-comment-style-hooks -> checkdoc-comment-style-functions | |
1539 | *** archive-extract-hooks -> archive-extract-hook | |
1540 | *** filesets-cache-fill-content-hooks -> filesets-cache-fill-content-hook | |
1541 | *** hfy-post-html-hooks -> hfy-post-html-hook | |
1542 | *** nndiary-request-create-group-hooks -> nndiary-request-create-group-functions | |
1543 | *** nndiary-request-update-info-hooks -> nndiary-request-update-info-functions | |
1544 | *** nndiary-request-accept-article-hooks -> nndiary-request-accept-article-functions | |
1545 | *** gnus-subscribe-newsgroup-hooks -> gnus-subscribe-newsgroup-functions | |
f938eda9 | 1546 | |
6bc66c10 | 1547 | ** Obsolete packages |
2f940384 | 1548 | |
797e6e88 SM |
1549 | *** assoc.el |
1550 | In most cases, assoc+member+push+delq work just as well. | |
1551 | And in any case it's just a terrible package: ugly semantics, terrible | |
1552 | inefficiency, and not namespace-clean. | |
3c74813a | 1553 | *** bruce.el |
b4617547 | 1554 | *** cust-print.el |
daed4003 | 1555 | *** ledit.el |
82f289a4 | 1556 | *** mailpost.el |
d57de7fe | 1557 | *** mouse-sel.el |
3c74813a | 1558 | *** patcomp.el |
1a9c6830 | 1559 | |
a1ed8b05 | 1560 | \f |
2a1e2476 | 1561 | * Incompatible Lisp Changes in Emacs 24.3 |
b4d3bc10 | 1562 | |
6bc66c10 GM |
1563 | ** Docstrings starting with `*' no longer indicate user options. |
1564 | Only variables defined using `defcustom' are considered user options. | |
1565 | The function `user-variable-p' is now an obsolete alias for | |
1566 | `custom-variable-p'. | |
090cf9db | 1567 | |
6bc66c10 GM |
1568 | ** The return values of `defalias', `defun' and `defmacro' have changed, |
1569 | and are now undefined. For backwards compatibility, `defun' and | |
1570 | `defmacro' currently return the name of the newly defined | |
1571 | function/macro, but this should not be relied upon. | |
090cf9db | 1572 | |
823b2fb6 GM |
1573 | ** `random' by default now returns a different random sequence in |
1574 | every Emacs run. Use `(random S)', where S is a string, to set the | |
0e23ef9d PE |
1575 | random seed to a value based on S, in order to get a repeatable |
1576 | sequence in later calls. | |
1577 | ||
d32e47af LM |
1578 | ** If the NEWTEXT arg to `replace-match' contains a substring "\?", |
1579 | that substring is inserted literally even if the LITERAL arg is | |
1580 | non-nil, instead of causing an error to be signaled. | |
1581 | ||
2cec368c MR |
1582 | ** `select-window' now always makes the window's buffer current. |
1583 | It does so even if the window was selected before. | |
1584 | ||
6bc66c10 GM |
1585 | ** The function `x-select-font' can return a font spec, instead of a |
1586 | font name as a string. Whether it returns a font spec or a font name | |
1587 | depends on the graphical library. | |
bbf908bc | 1588 | |
eeddc531 CY |
1589 | ** `face-spec-set' no longer sets frame-specific attributes when the |
1590 | third argument is a frame (that usage was obsolete since Emacs 22.2). | |
1591 | ||
6bc66c10 | 1592 | ** `set-buffer-multibyte' now signals an error in narrowed buffers. |
a59d531e | 1593 | |
ab7f1c43 GM |
1594 | ** The CL package's `get-setf-method' function no longer exists. |
1595 | Generalized variables are now part of core Emacs Lisp, and implemented | |
1596 | differently to the way cl.el used to do it. It is not possible to | |
1597 | define a compatible replacement for `get-setf-method'. See the file | |
1598 | gv.el for internal details of the new implementation. | |
1599 | ||
6bc66c10 GM |
1600 | ** The arguments of `dbus-register-signal' are no longer just strings, |
1601 | but keywords or keyword-string pairs. The old argument list will | |
1602 | still be supported for Emacs 24.x. | |
72b255c7 | 1603 | |
6bc66c10 | 1604 | ** Miscellaneous name changes |
823b2fb6 GM |
1605 | Some Lisp symbols have been renamed to correct their spelling, |
1606 | or to be more consistent with standard Emacs terminology. | |
72b255c7 | 1607 | |
72b255c7 | 1608 | *** Renamed functions |
72b255c7 PE |
1609 | **** hangul-input-method-inactivate -> hangul-input-method-deactivate |
1610 | **** inactivate-input-method -> deactivate-input-method | |
1611 | **** quail-inactivate -> quail-deactivate | |
1612 | **** robin-inactivate -> robin-deactivate | |
1613 | **** viper-inactivate-input-method -> viper-deactivate-input-method | |
1614 | **** viper-inactivate-input-method-action -> | |
1615 | viper-deactivate-input-method-action | |
1616 | **** ucs-input-inactivate -> ucs-input-deactivate | |
1617 | ||
1618 | *** Renamed hooks | |
1619 | The old hooks are still supported for backward compatibility, but they | |
1620 | are deprecated and will be removed eventually. | |
72b255c7 PE |
1621 | **** input-method-inactivate-hook -> input-method-deactivate-hook |
1622 | **** robin-inactivate-hook -> robin-deactivate-hook | |
1623 | **** quail-inactivate-hook -> quail-deactivate-hook | |
1624 | ||
6bc66c10 | 1625 | *** Renamed variables |
72b255c7 PE |
1626 | **** follow-deactive-menu -> follow-inactive-menu |
1627 | **** inactivate-current-input-method-function -> | |
1628 | deactivate-current-input-method-function | |
1629 | ||
02969baf GM |
1630 | ** Some obsolete functions, variables, and faces have been removed: |
1631 | *** `last-input-char', `last-command-char', `unread-command-char' | |
78f3273a CY |
1632 | *** `facemenu-unlisted-faces' |
1633 | *** `rmail-decode-mime-charset' | |
a5f2b6ec CY |
1634 | *** `iswitchb-read-buffer' |
1635 | *** `sc-version', `sc-submit-bug-report' | |
1636 | *** `set-char-table-default' | |
02969baf | 1637 | *** `string-to-sequence' (use `string-to-list' or `string-to-vector') |
a5f2b6ec | 1638 | *** `compile-internal' |
02969baf | 1639 | *** `modeline' |
59f7af81 | 1640 | *** `mode-line-inverse-video' |
02969baf | 1641 | *** `follow-mode-off-hook' |
a5f2b6ec | 1642 | *** `cvs-commit-buffer-require-final-newline' |
63820c5c | 1643 | (use `log-edit-require-final-newline' instead) |
a5f2b6ec CY |
1644 | *** `cvs-changelog-full-paragraphs' |
1645 | (use `log-edit-changelog-full-paragraphs' instead) | |
1646 | *** `cvs-diff-ignore-marks', `cvs-diff-buffer-name' | |
1647 | *** `vc-ignore-vc-files' (use `vc-handled-backends' instead) | |
1648 | *** `vc-master-templates' (use `vc-handled-backends' instead) | |
1649 | *** `vc-checkout-carefully' | |
78f3273a | 1650 | |
a1ed8b05 | 1651 | \f |
93e0bed6 | 1652 | * Lisp Changes in Emacs 24.3 |
ef24141c | 1653 | |
2ee3d7f0 | 1654 | ** CL-style generalized variables are now in core Elisp. |
f938eda9 | 1655 | `setf' is autoloaded; `push' and `pop' accept generalized variables. |
ebdbfb95 GM |
1656 | You can define your own generalized variables using `gv-define-simple-setter', |
1657 | `gv-define-setter', etc. | |
2ee3d7f0 | 1658 | |
6bc66c10 GM |
1659 | ** Emacs tries to macroexpand interpreted (non-compiled) files during load. |
1660 | This can significantly speed up execution of non-byte-compiled code, | |
1661 | but can also bump into previously unnoticed cyclic dependencies. | |
1662 | These are generally harmless: they will simply cause the macro calls | |
1663 | to be left for later expansion (as before), but will result in a | |
1664 | warning ("Eager macro-expansion skipped due to cycle") describing the cycle. | |
1665 | You may wish to restructure your code so this does not happen. | |
1666 | ||
1667 | ** New sampling-based Elisp profiler. | |
1668 | Try M-x profiler-start, do some work, and then call M-x profiler-report. | |
1669 | When finished, use M-x profiler-stop. The sampling rate can be based on | |
1670 | CPU time or memory allocations. | |
1671 | ||
500fcedc SM |
1672 | ** `defun' also accepts a (declare DECLS) form, like `defmacro'. |
1673 | The interpretation of the DECLS is determined by `defun-declarations-alist'. | |
1674 | ||
6bc66c10 GM |
1675 | ** New macros `setq-local' and `defvar-local'. |
1676 | ||
1677 | ** Face underlining can now use a wave. | |
2f940384 | 1678 | |
6bc66c10 | 1679 | ** `read-regexp' has a new argument HISTORY; the first argument PROMPT |
cd996018 | 1680 | of `read-regexp' accepts a string ending with a colon and space, and its |
823b2fb6 | 1681 | second argument DEFAULTS can be a list of strings accessible via `M-n' |
cd996018 CY |
1682 | in the minibuffer ahead of other hard-coded useful regexp-related values. |
1683 | More commands use `read-regexp' now to read their regexp arguments. | |
1684 | ||
f938eda9 | 1685 | ** Completion |
500fcedc | 1686 | |
f938eda9 CY |
1687 | *** New function `completion-table-with-quoting' to handle completion |
1688 | in the presence of quoting, such as file completion in shell buffers. | |
f95e9344 | 1689 | |
f938eda9 CY |
1690 | *** New function `completion-table-subvert' to use an existing completion |
1691 | table, but with a different prefix. | |
1692 | ||
6bc66c10 | 1693 | ** Debugger |
f95e9344 | 1694 | |
f938eda9 CY |
1695 | *** New error type and new function `user-error'. |
1696 | These do not trigger the debugger. | |
f95e9344 | 1697 | |
57fc0fee GM |
1698 | *** New option `debugger-bury-or-kill', saying what to do with the |
1699 | debugger buffer when exiting debug. | |
45b82ad0 SM |
1700 | |
1701 | *** Set `debug-on-message' to enter the debugger when a certain | |
1702 | message is displayed in the echo area. This can be useful when trying | |
1703 | to work out which code is doing something. | |
2f940384 | 1704 | |
45b82ad0 SM |
1705 | *** New var `inhibit-debugger', automatically set to prevent accidental |
1706 | recursive invocations. | |
fa2bcf43 | 1707 | |
6bc66c10 | 1708 | ** Window handling |
2f940384 | 1709 | |
6bc66c10 GM |
1710 | *** New command `fit-frame-to-buffer' adjusts the frame height to |
1711 | fit the contents. | |
2f940384 | 1712 | |
6bc66c10 GM |
1713 | *** The command `fit-window-to-buffer' can adjust the frame height |
1714 | if the new option `fit-frame-to-buffer' is non-nil. | |
8e17c9ba | 1715 | |
7fe37cfc GM |
1716 | *** New macro `with-temp-buffer-window', similar to |
1717 | `with-output-to-temp-buffer'. | |
fa2bcf43 | 1718 | |
8e17c9ba MR |
1719 | *** `temp-buffer-resize-mode' no longer resizes windows that have been |
1720 | reused. | |
c5e28e39 | 1721 | |
823b2fb6 | 1722 | *** New option `switch-to-buffer-preserve-window-point' to restore a |
43bcfda6 | 1723 | window's point when switching buffers. |
7c82753d | 1724 | |
6bc66c10 GM |
1725 | *** New display action alist entries `window-height' and `window-width' |
1726 | specify the size of new windows created by `display-buffer'. | |
1727 | ||
1728 | *** New display action alist entry `pop-up-frame-parameters', if | |
1729 | non-nil, specifies frame parameters to give any newly-created frame. | |
7c82753d | 1730 | |
fa2bcf43 MR |
1731 | *** New display action alist entry `inhibit-switch-frame', if non-nil, |
1732 | tells display action functions to avoid changing which frame is | |
1733 | selected. | |
2f940384 | 1734 | |
fa2bcf43 MR |
1735 | *** New display action alist entry `previous-window', if non-nil, |
1736 | specifies window to reuse in `display-buffer-in-previous-window'. | |
2f940384 | 1737 | |
6bc66c10 GM |
1738 | *** New display action functions `display-buffer-below-selected', |
1739 | and `display-buffer-in-previous-window'. | |
1740 | ||
1741 | *** The functions `get-lru-window', `get-mru-window' and `get-largest-window' | |
1742 | now accept a third argument to avoid choosing the selected window. | |
1743 | ||
1744 | *** Additional values recognized for option `window-combination-limit'. | |
5938d519 | 1745 | |
77f1f99c CY |
1746 | *** The following variables are obsolete, as they can be replaced by |
1747 | appropriate entries in the `display-buffer-alist' function introduced | |
1748 | in Emacs 24.1: | |
823b2fb6 | 1749 | **** `dired-shrink-to-fit' |
77f1f99c | 1750 | **** `display-buffer-reuse-frames' |
823b2fb6 | 1751 | **** `display-buffer-function' |
77f1f99c | 1752 | **** `special-display-buffer-names' |
823b2fb6 | 1753 | **** `special-display-frame-alist' |
77f1f99c | 1754 | **** `special-display-function' |
823b2fb6 | 1755 | **** `special-display-regexps' |
77f1f99c | 1756 | |
ab0fa4e4 | 1757 | ** Time |
2f940384 | 1758 | |
ab0fa4e4 PE |
1759 | *** `current-time-string' no longer requires that its argument's year |
1760 | must be in the range 1000..9999. It now works with any year supported | |
1761 | by the underlying C implementation. | |
2f940384 | 1762 | |
f938eda9 CY |
1763 | *** `current-time' now returns extended-format time stamps |
1764 | (HIGH LOW USEC PSEC), where the new PSEC slot specifies picoseconds. | |
1765 | PSEC is typically a multiple of 1000 on current machines. Other | |
823b2fb6 GM |
1766 | functions that use this format, such as `file-attributes' and |
1767 | `format-time-string', have been changed accordingly. Old-format time | |
f938eda9 | 1768 | stamps are still accepted. |
2f940384 | 1769 | |
823b2fb6 | 1770 | *** The format of timers in `timer-list' and `timer-idle-list' is now |
f938eda9 CY |
1771 | [TRIGGERED-P HI-SECS LO-SECS USECS REPEAT-DELAY FUNCTION ARGS IDLE-DELAY PSECS]. |
1772 | The PSECS slot is new, and uses picosecond resolution. It can be | |
823b2fb6 | 1773 | accessed via the new `timer--psecs' accessor. |
2f940384 | 1774 | |
c4132fd4 PE |
1775 | *** Last-modified time stamps in undo lists now are of the form |
1776 | (t HI-SECS LO-SECS USECS PSECS) instead of (t HI-SECS . LO-SECS). | |
1777 | ||
0058cae2 GM |
1778 | ** EIEIO |
1779 | ||
1780 | *** Improved security when handling persistent objects: | |
1781 | ||
1782 | **** `eieio-persistent-read' now features optional arguments for specifying | |
1783 | the class to load, as well as a flag stating whether subclasses are allowed; | |
1784 | if provided, other classes will be rejected by the reader. For | |
1785 | compatibility with existing code, if the class is omitted only a | |
1786 | warning is issued. | |
1787 | ||
1788 | **** New specialized reader for pulling in classes and signaling errors | |
1789 | without evaluation of suspicious code. | |
1790 | ||
1791 | **** All slots that contain objects must have a :type. Slots with lists | |
1792 | of objects must use a new type predicate for a list of an object type. | |
1793 | ||
1794 | *** Support for `find-function' and similar utilities, through the addition | |
1795 | of filename support to generated symbols. | |
1796 | ||
f938eda9 | 1797 | ** Floating point functions now always return special values like NaN, |
823b2fb6 | 1798 | instead of signaling errors, if given invalid args; e.g., (log -1.0). |
f938eda9 CY |
1799 | Previously, they returned NaNs on some platforms but signaled errors |
1800 | on others. The affected functions are acos, asin, tan, exp, expt, | |
1801 | log, log10, sqrt, and mod. | |
1802 | ||
6bc66c10 | 1803 | ** New fringe bitmap `exclamation-mark'. |
f938eda9 | 1804 | |
6bc66c10 GM |
1805 | ** Miscellaneous changes to special forms and macros |
1806 | ||
1807 | *** `defun' and `defmacro' are now macros rather than special forms. | |
1808 | ||
1809 | *** `kbd' is now a function rather than a macro. | |
1810 | ||
1811 | ** Miscellaneous new functions | |
1812 | ||
1813 | *** `set-temporary-overlay-map' sets up a temporary keymap that | |
1814 | takes precedence over most other maps for a short while (normally one key). | |
f938eda9 | 1815 | |
847a0561 | 1816 | *** `autoloadp' tests if its argument is an autoloaded object. |
2f940384 | 1817 | |
847a0561 | 1818 | *** `autoload-do-load' performs the autoloading operation. |
2f940384 | 1819 | |
f938eda9 | 1820 | *** `buffer-narrowed-p' tests if the buffer is narrowed. |
2f940384 | 1821 | |
f938eda9 | 1822 | *** `file-name-base' returns a file name sans directory and extension. |
2f940384 | 1823 | |
f938eda9 | 1824 | *** `function-get' fetches a function property, following aliases. |
c990426a | 1825 | |
f938eda9 | 1826 | *** `posnp' tests if an object is a `posn'. |
f938eda9 | 1827 | |
f938eda9 | 1828 | *** `system-users' returns the user names on the system. |
547d6865 | 1829 | |
f938eda9 | 1830 | *** `system-groups' returns the group names on the system. |
f938eda9 | 1831 | |
f938eda9 | 1832 | *** `tty-top-frame' returns the topmost frame of a text terminal. |
c990426a | 1833 | |
f938eda9 | 1834 | ** The following functions and variables are obsolete: |
847a0561 | 1835 | *** `automount-dir-prefix' (use `directory-abbrev-alist') |
f938eda9 | 1836 | *** `buffer-has-markers-at' |
1a9c6830 | 1837 | *** `macro-declaration-function' (use `macro-declarations-alist') |
847a0561 | 1838 | *** `window-system-version' (provides no useful information) |
93cacb6d | 1839 | *** `dired-pop-to-buffer' (use `dired-mark-pop-up') |
0e2ae83d | 1840 | *** `query-replace-interactive' |
49238e7f | 1841 | *** `font-list-limit' (has had no effect since Emacs < 23) |
86aa551c | 1842 | |
adce950d | 1843 | \f |
93e0bed6 | 1844 | * Changes in Emacs 24.3 on Non-Free Operating Systems |
9078ead6 | 1845 | |
4e98ad15 | 1846 | ** Cygwin builds can use the native MS Windows user interface. |
823b2fb6 | 1847 | Pass `--with-w32' to configure. The default remains the X11 interface. |
53a63be6 | 1848 | |
1a9c6830 | 1849 | ** Two new functions are available in Cygwin builds: |
6e9f7997 DC |
1850 | `cygwin-convert-file-name-from-windows' and |
1851 | `cygwin-convert-file-name-to-windows'. These functions allow Lisp | |
1852 | code to access the Cygwin file-name mapping machinery to convert | |
1853 | between Cygwin and Windows-native file and directory names. | |
de6e3a60 | 1854 | |
4e98ad15 | 1855 | ** When invoked with the -nw switch to run on the Windows text-mode terminal, |
1ab0c851 | 1856 | Emacs now supports `mouse-highlight', help-echo (in the echo area), and |
4e98ad15 GM |
1857 | `mouse-autoselect-window'. |
1858 | ||
1a9c6830 | 1859 | ** On MS Windows Vista and later Emacs now supports symbolic links. |
4e98ad15 | 1860 | |
823b2fb6 | 1861 | ** On MS Windows, you can pass `--without-libxml2' to configure.bat to omit |
4e98ad15 GM |
1862 | support for libxml2, even if its presence is detected. |
1863 | ||
4e98ad15 GM |
1864 | ** On Mac OS X, the Nextstep port requires OS X 10.4 or later. |
1865 | ||
823b2fb6 | 1866 | ** On Mac OS X, configure no longer automatically adds the Fink "/sw" |
4e98ad15 GM |
1867 | directories to the search path. You must add them yourself if you want them. |
1868 | ||
2a1e2476 GM |
1869 | \f |
1870 | * Changes in Emacs 24.2 | |
1871 | ||
5190da91 | 1872 | ** This is mainly a bug-fix release. |
6dad7178 | 1873 | |
9078ead6 | 1874 | \f |
eb199145 | 1875 | * Installation Changes in Emacs 24.1 |
09e18d03 | 1876 | |
31fd3586 GM |
1877 | ** Emacs can be compiled with Gtk+ 3.0 if you pass --with-x-toolkit=gtk3 |
1878 | to configure. Note that other libraries used by Emacs, RSVG and GConf, | |
1879 | also depend on Gtk+. You can disable them with --without-rsvg and | |
1880 | --without-gconf. | |
338648ad | 1881 | |
31fd3586 GM |
1882 | ** Emacs can be compiled with GnuTLS support. |
1883 | This happens by default if a suitably recent version of the library is | |
1884 | found at build time. To prevent this, use the configure option | |
1885 | `--without-gnutls'. See below for GnuTLS features. | |
338648ad | 1886 | |
31fd3586 GM |
1887 | ** Emacs can be compiled with SELinux support. |
1888 | This happens by default if a suitably recent version of the library is | |
1889 | found at build time. To prevent this, use the configure option | |
1890 | `--without-selinux'. See below for SELinux features. | |
aded53ff | 1891 | |
31fd3586 GM |
1892 | ** Emacs can be compiled with ImageMagick support. |
1893 | This happens by default if a suitably recent version of the library is | |
1894 | found at build time. To prevent this, use the configure option | |
1895 | `--without-imagemagick'. See below for ImageMagick features. | |
c1f10868 | 1896 | This feature is not available for the Nextstep or MS ports. |
d9170db5 | 1897 | |
043efd56 GM |
1898 | ** Emacs can be compiled with libxml2 support. |
1899 | This happens by default if a suitably recent version of the library is | |
1900 | found at build time. To prevent this, use the configure option | |
1901 | `--without-xml2'. See below for libxml2 features. | |
1902 | ||
7d301ae6 CY |
1903 | ** By default, the installed Info and man pages are compressed. |
1904 | You can disable this by configuring --without-compress-info. | |
1905 | ||
7d301ae6 | 1906 | ** New configure option --with-wide-int. |
81eafe29 | 1907 | With it, Emacs integers typically have 62 bits, even on 32-bit machines. |
0a768890 PE |
1908 | On 32-bit hosts, this raises the limit on buffer sizes from about 512 MiB |
1909 | to about 2 GiB. | |
81eafe29 | 1910 | |
7d301ae6 | 1911 | ** New configure options: --with-mmdf, --with-mail-unlink, --with-mailhost. |
31fd3586 GM |
1912 | These provide no new functionality, they just remove the need to edit |
1913 | lib-src/Makefile by hand in order to use the associated features. | |
1914 | ||
7d301ae6 | 1915 | ** New configure option --enable-use-lisp-union-type. |
31fd3586 GM |
1916 | This is only useful for Emacs developers to debug certain types of bugs. |
1917 | This is not a new feature; only the configure flag is new. | |
041d709f CY |
1918 | |
1919 | ** The standalone programs digest-doc and sorted-doc are removed. | |
1920 | Emacs now uses Lisp commands `doc-file-to-man' and `doc-file-to-info'. | |
1921 | ||
041d709f CY |
1922 | ** The standalone program `fakemail' is removed. |
1923 | If you need it, feedmail.el provides a superset of the functionality. | |
1924 | ||
0bfd685e | 1925 | \f |
eb199145 | 1926 | * Startup Changes in Emacs 24.1 |
4a263588 | 1927 | |
198a7a97 | 1928 | ** The --unibyte, --multibyte, --no-multibyte, and --no-unibyte |
adbf62ff GM |
1929 | command line arguments, and the EMACS_UNIBYTE environment variable, no |
1930 | longer have any effect. (They were declared obsolete in Emacs 23.) | |
198a7a97 | 1931 | |
66b7b0fe | 1932 | ** New command line option `--no-site-lisp' removes site-lisp directories |
1b5e5b0c GM |
1933 | from load-path. -Q now implies this. This option does not affect the |
1934 | EMACSLOADPATH environment variable (and hence has no effect for | |
c8d59ba3 | 1935 | Nextstep builds). |
66b7b0fe | 1936 | |
0bfd685e | 1937 | \f |
eb199145 | 1938 | * Changes in Emacs 24.1 |
7841339b | 1939 | |
a2a25d24 | 1940 | ** Completion |
fdeb32ec | 1941 | |
dfdb4cad CY |
1942 | *** Many packages now use the `completion-at-point' command, |
1943 | rather than implementing separate completion commands. | |
1944 | ||
de0bde62 | 1945 | *** `completion-at-point' now handles tags and semantic completion. |
dfdb4cad | 1946 | |
a2a25d24 SM |
1947 | *** Completion in a non-minibuffer now tries to detect the end of completion |
1948 | and pops down the *Completions* buffer accordingly. | |
dfdb4cad CY |
1949 | |
1950 | *** New option `completion-cycle-threshold' allows completion cycling. | |
1951 | ||
1952 | *** New option `completion-category-overrides' for overriding the | |
2c719188 | 1953 | default completion style in certain circumstances. |
dfdb4cad | 1954 | |
a2a25d24 | 1955 | *** New completion style `substring'. |
dfdb4cad CY |
1956 | |
1957 | *** Completion of buffer names uses `substring' completion by default. | |
1958 | ||
1959 | *** The option `widget-complete-field' has been removed. | |
620c53a6 | 1960 | |
6870aaef | 1961 | ** Mail changes |
dfdb4cad | 1962 | |
7d301ae6 CY |
1963 | *** The first time you try sending mail, Emacs asks for a mail method. |
1964 | This is implemented by a new default for `send-mail-function', which | |
1965 | is `sendmail-query-once'. This offers to use the smtpmail package, or | |
1966 | to use the old defaults relying on external mail facilities | |
1967 | (`sendmail-send-it' on GNU/Linux and other Unix-like systems, and | |
1968 | `mailclient-send-it' on Windows). | |
dfdb4cad | 1969 | |
e78e7e48 CY |
1970 | *** Typing `C-c m' in the buffer made by `M-x report-emacs-bug' |
1971 | transfers the report to your desktop's preferred mail client, if there | |
1972 | is one. This uses either the "xdg-email" utility, or Mac OS's "open" | |
1973 | command. | |
dfdb4cad | 1974 | |
7d301ae6 CY |
1975 | *** See Changes in Specialized Modes and Packages for SMTPmail changes |
1976 | and Mail mode changes | |
3f88cd72 | 1977 | |
041d709f | 1978 | ** Emacs server and client changes |
dfdb4cad | 1979 | |
7d301ae6 | 1980 | *** New option `server-port' specifies the port for TCP Emacs servers. |
dfdb4cad | 1981 | |
041d709f | 1982 | *** New emacsclient argument -q/--quiet suppresses some status messages. |
dfdb4cad | 1983 | |
7d301ae6 CY |
1984 | *** New emacsclient argument --frame-parameters specifies the frame |
1985 | parameters of any newly-created graphical frame. | |
dfdb4cad CY |
1986 | |
1987 | *** If emacsclient shuts down due to Emacs signaling an error, | |
1988 | its exit status is 1. | |
1989 | ||
041d709f CY |
1990 | *** New emacsclient argument --parent-id ID. |
1991 | This opens a client frame in parent X window ID, via XEmbed, similar | |
1992 | to the --parent-id argument to Emacs. | |
1993 | ||
d0ce9f8c MB |
1994 | ** Internationalization changes |
1995 | ||
d0ce9f8c | 1996 | *** Emacs now supports display and editing of bidirectional text. |
7d301ae6 CY |
1997 | Right-to-left (RTL) scripts, such as Arabic, Farsi, and Hebrew, are |
1998 | displayed in the correct visual order as expected by users of those | |
dfdb4cad CY |
1999 | scripts. The display reordering is a "full bidirectionality" class |
2000 | implementation of the Unicode Bidirectional Algorithm (UBA). Buffers | |
2001 | with no RTL text should look exactly the same as before. | |
f4b6ba46 | 2002 | |
041d709f | 2003 | **** New buffer-local variable `bidi-display-reordering'. |
7d301ae6 | 2004 | To disable display reordering in a buffer, change this to nil. |
d20e1419 | 2005 | |
041d709f CY |
2006 | **** New buffer-local variable `bidi-paragraph-direction'. |
2007 | If nil (the default), Emacs determines the base direction of each | |
dfdb4cad CY |
2008 | paragraph from its text, as specified by the UBA. Setting the value |
2009 | to `right-to-left' or `left-to-right' forces a base direction on each | |
2010 | paragraph. | |
f4b6ba46 | 2011 | |
7d301ae6 CY |
2012 | Paragraphs with right-to-left base direction are displayed starting at |
2013 | the right window edge. | |
f1816485 | 2014 | |
dfdb4cad CY |
2015 | *** Enhanced support for characters with no glyphs in available fonts, |
2016 | or, on text terminals, characters that cannot be encoded by the | |
2017 | terminal coding system. The new option `glyphless-char-display-control' | |
2018 | specifies how to display them: as a hexadecimal code in a box, a thin | |
2019 | 1-pixel space, an empty box, etc. | |
d0ce9f8c | 2020 | |
9702b7a1 GM |
2021 | *** New input methods for Farsi and Bulgarian |
2022 | (farsi-isiri-9147, farsi-transliterate-banan, bulgarian-alt-phonetic). | |
041d709f | 2023 | |
939db9ac CY |
2024 | *** `nobreak-char-display' now also highlights Unicode hyphen chars |
2025 | (U+2010 and U+2011). | |
2026 | ||
7d301ae6 | 2027 | *** New Hebrew translation of the Emacs Tutorial. |
31fd3586 GM |
2028 | Type `C-u C-h t' to choose it in case your language setup doesn't |
2029 | automatically select it. | |
2030 | ||
7d301ae6 CY |
2031 | ** An Emacs Lisp package manager is now included. |
2032 | This is a convenient way to download and install additional packages, | |
2033 | from a package repository at http://elpa.gnu.org. | |
dfdb4cad | 2034 | |
7d301ae6 CY |
2035 | *** M-x list-packages shows a list of packages, which can be |
2036 | selected for installation. | |
dfdb4cad | 2037 | |
7d301ae6 | 2038 | *** New command `describe-package', bound to `C-h P'. |
dfdb4cad | 2039 | |
7d301ae6 CY |
2040 | *** By default, all installed packages are loaded automatically when |
2041 | Emacs starts up. To disable this, set `package-enable-at-startup' to | |
2042 | nil. To specify the packages to load, customize `package-load-list'. | |
16a91140 | 2043 | |
dfdb4cad CY |
2044 | ** Custom theme changes |
2045 | ||
7d301ae6 CY |
2046 | *** New command `M-x customize-themes', which provides a convenient |
2047 | interface for enabling and disabling Custom themes. | |
dfdb4cad | 2048 | |
7d301ae6 | 2049 | *** New option `custom-theme-load-path' is the load path for themes. |
dfdb4cad CY |
2050 | Emacs no longer looks for Custom themes in `load-path'. The default |
2051 | value of `custom-theme-load-path' says to look for themes in | |
2052 | `custom-theme-directory', followed by a subdirectory of | |
2053 | `data-directory' named "themes/", which contains a small selection of | |
2054 | built-in Custom themes. | |
2055 | ||
7d301ae6 CY |
2056 | *** New option `custom-safe-themes' records known-safe theme files. |
2057 | If a theme is not in this list, Emacs queries before loading it, and | |
2058 | offers to save the theme to `custom-safe-themes' automatically. By | |
2059 | default, all themes included in Emacs are treated as safe. | |
b7d65a5f | 2060 | |
7d301ae6 | 2061 | ** Improved GTK integration |
dfdb4cad | 2062 | |
7d301ae6 | 2063 | *** GTK scroll-bars are now placed on the right by default. |
dfdb4cad CY |
2064 | The function `set-scroll-bar-mode' can change this. |
2065 | ||
7d301ae6 | 2066 | *** GTK tool bars can have just text, just images or images and text. |
dfdb4cad CY |
2067 | Customize `tool-bar-style' to choose the style. On a Gnome desktop, |
2068 | the default is taken from desktop settings. | |
2069 | ||
2070 | *** GTK tool bars can be placed on any edge of the frame. | |
7d301ae6 CY |
2071 | The frame-parameter tool-bar-position controls this. It takes the |
2072 | values top, left, right or bottom. The Options => Show/Hide menu has | |
2073 | entries for this. | |
dfdb4cad | 2074 | |
7d301ae6 CY |
2075 | *** The default colors for selected text (the `region' face) are taken |
2076 | from the GTK theme when Emacs is built with GTK. | |
dfdb4cad | 2077 | |
7d301ae6 CY |
2078 | *** Emacs uses GTK tooltips by default if built with GTK. |
2079 | You can disable this by changing `x-gtk-use-system-tooltips' to nil. | |
a5bee597 | 2080 | |
dfdb4cad CY |
2081 | ** Graphical interface changes |
2082 | ||
2083 | *** On graphical displays, the mode-line no longer ends in dashes. | |
2084 | Also, the first dash (which does not indicate anything) is just | |
2085 | displayed as a space. | |
2086 | ||
2087 | *** `menu-bar-select-buffer-function' lets you choose another operation | |
2088 | instead of `switch-to-buffer' when selecting an item in the Buffers menu. | |
2089 | ||
2090 | *** Lucid menus and dialogs can display antialiased fonts if Emacs is | |
2091 | built with Xft. These fonts can be set via X resources, for example: | |
2092 | Emacs.pane.menubar.font: Courier-12 | |
2093 | ||
7d301ae6 | 2094 | ** Exiting changes |
dfdb4cad | 2095 | |
7d301ae6 | 2096 | *** Emacs now calls `kill-emacs' if it receives SIGTERM or SIGHUP, |
dfdb4cad CY |
2097 | or if it receives a SIGINT signal in batch mode. |
2098 | ||
7d301ae6 CY |
2099 | *** `kill-emacs-hook' is now also run in batch mode. |
2100 | Third-party code which adds to `kill-emacs-hook' should check if they | |
2101 | do the right thing in batch mode. | |
9c524fcb | 2102 | |
041d709f | 2103 | ** Scrolling changes |
dfdb4cad | 2104 | |
041d709f | 2105 | *** New scrolling commands `scroll-up-command' and `scroll-down-command' |
0a19a6f8 | 2106 | (bound to C-v/[next] and M-v/[prior]) do not signal errors at top/bottom |
7d301ae6 | 2107 | of buffer at first key-press (instead they move to top/bottom of buffer) |
550f41cd | 2108 | when `scroll-error-top-bottom' is non-nil. |
dfdb4cad CY |
2109 | |
2110 | *** New option `scroll-error-top-bottom' (see above). | |
2111 | ||
041d709f | 2112 | *** New scrolling commands `scroll-up-line' and `scroll-down-line' |
5a97d2da | 2113 | scroll a line instead of full screen. |
dfdb4cad | 2114 | |
041d709f | 2115 | *** New property `scroll-command' should be set on a command's symbol to |
b2957ea8 | 2116 | define it as a scroll command affected by `scroll-preserve-screen-position'. |
dfdb4cad | 2117 | |
041d709f | 2118 | *** If you customize `scroll-conservatively' to a value greater than 100, |
d0f69533 EZ |
2119 | Emacs will never recenter point in the window when it scrolls due to |
2120 | cursor motion commands or commands that move point (e.f., `M-g M-g'). | |
2121 | Previously, you needed to use `most-positive-fixnum' as the value of | |
2122 | `scroll-conservatively' to achieve the same effect. | |
dfdb4cad | 2123 | |
7d301ae6 | 2124 | *** "Aggressive" scrolling now honors the scroll margins. |
d0f69533 EZ |
2125 | If you customize `scroll-up-aggressively' or |
2126 | `scroll-down-aggressively' and move point off the window, Emacs now | |
2127 | scrolls the window so as to avoid positioning point inside the scroll | |
2128 | margin. | |
2129 | ||
7d301ae6 CY |
2130 | ** Basic SELinux support has been added. |
2131 | This requires Emacs to be linked with libselinux at build time. | |
f1a5d776 | 2132 | |
dfdb4cad CY |
2133 | *** Emacs preserves the SELinux file context when backing up. |
2134 | Also, the function `copy-file' has an extra optional argument for | |
2135 | preserving SELinux context, and the return value of `backup-buffer' | |
2136 | now includes the SELinux context. | |
f0bf7c8e | 2137 | |
dfdb4cad | 2138 | *** New functions `file-selinux-context' and `set-file-selinux-context' |
7d301ae6 | 2139 | get and set the SELinux context of a file. |
44198b6e | 2140 | |
7d301ae6 | 2141 | ** Trash changes |
dfdb4cad | 2142 | |
7d301ae6 CY |
2143 | *** `delete-by-moving-to-trash' now only affects commands that specify |
2144 | trashing. This avoids inadvertently trashing temporary files. | |
dfdb4cad | 2145 | |
7d301ae6 CY |
2146 | *** Calling `delete-file' or `delete-directory' with a prefix argument |
2147 | now forces true deletion, regardless of `delete-by-moving-to-trash'. | |
278f6845 | 2148 | |
041d709f | 2149 | ** File- and directory-local variable changes |
dfdb4cad | 2150 | |
041d709f CY |
2151 | *** You can stop directory local vars from applying to subdirectories. |
2152 | Add an element (subdirs . nil) to the alist portion of any variables | |
2153 | settings to indicate that the section should not apply to | |
2154 | subdirectories. | |
dfdb4cad | 2155 | |
041d709f CY |
2156 | *** Directory local variables can apply to some file-less buffers. |
2157 | Affected modes include dired, vc-dir, and log-edit. For example, | |
2158 | adding "(diff-mode . ((mode . whitespace)))" to .dir-locals.el will | |
2159 | turn on `whitespace-mode' for *vc-diff* buffers. Modes should call | |
2160 | `hack-dir-local-variables-non-file-buffer' to support this. | |
dfdb4cad | 2161 | |
041d709f CY |
2162 | *** Using "mode: MINOR-MODE" to enable a minor mode is deprecated. |
2163 | Instead, use "eval: (minor-mode 1)". | |
c136e5cd | 2164 | |
7b447e9b GM |
2165 | *** The variable `inhibit-first-line-modes-regexps' has been renamed |
2166 | to `inhibit-local-variables-regexps'. As the name suggests, it now | |
dfdb4cad CY |
2167 | applies to ALL file local variables, not just -*- lines. The |
2168 | associated `inhibit-first-line-modes-suffixes' has been renamed in the | |
2169 | corresponding way. | |
5d907d6c | 2170 | |
0a2132ba CY |
2171 | ** Window changes |
2172 | ||
91b65361 CY |
2173 | *** The `quit-window' command now restores the last buffer displayed |
2174 | in the quitted window. | |
2175 | ||
0a2132ba CY |
2176 | *** Resizing an Emacs frame now preserves proportional window sizes, |
2177 | modulo restrictions like window minimum sizes and fixed-size windows. | |
2178 | ||
2179 | *** The behavior of `display-buffer' is now customizable in detail. | |
dfdb4cad | 2180 | |
0a2132ba CY |
2181 | **** New option `display-buffer-base-action' specifies a list of |
2182 | user-determined display "actions" (functions and optional arguments | |
2183 | for choosing the displaying window). | |
2184 | ||
2185 | This takes precedence over the default display action, which is | |
2186 | specified by `display-buffer-fallback-action'. | |
2187 | ||
2188 | **** New option `display-buffer-alist' maps buffer name regexps to | |
2189 | display actions, taking precedence over `display-buffer-base-action'. | |
2190 | ||
a0c2d0ae MR |
2191 | *** New option `window-combination-limit'. |
2192 | The new option `window-combination-limit' allows to return the space | |
2193 | obtained for resizing or creating a window more reliably to the window | |
2194 | from which such space was obtained. | |
0a2132ba | 2195 | |
a0c2d0ae MR |
2196 | *** New option `window-combination-resize'. |
2197 | The new option `window-combination-resize' allows to split a window that | |
2198 | otherwise cannot be split because it's too small by stealing space from | |
2199 | other windows in the same combination. Subsequent resizing or deletion | |
2200 | of the window will resize all windows in the same combination as well. | |
0a2132ba | 2201 | |
91b65361 CY |
2202 | *** New option `frame-auto-hide-function' lets you choose between |
2203 | iconifying or deleting a frame when burying a buffer in a dedicated | |
2204 | frame, or quitting a window showing a buffer in a frame of its own. | |
2205 | ||
0a2132ba | 2206 | *** New commands `maximize-window' and `minimize-window'. |
53964682 | 2207 | These maximize and minimize the size of a window within its frame. |
0a2132ba | 2208 | |
0a2132ba CY |
2209 | *** New commands `switch-to-prev-buffer' and `switch-to-next-buffer'. |
2210 | These functions allow to navigate through the live buffers that have | |
2211 | been shown in a specific window. | |
2212 | ||
7d301ae6 | 2213 | ** Minibuffer changes |
dfdb4cad | 2214 | |
7d301ae6 | 2215 | *** The inactive minibuffer has its own major mode `minibuffer-inactive-mode'. |
104dc9c6 GM |
2216 | This is handy for minibuffer-only frames, and is also used for the feature |
2217 | where mouse-1 pops up *Messages*"', which can now easily be changed. | |
041d709f | 2218 | |
7d301ae6 | 2219 | *** Minibuffers set `truncate-lines' to nil. |
f66eca26 | 2220 | If you want to change the value to something else, you could use |
7d301ae6 CY |
2221 | for example `minibuffer-setup-hook'. |
2222 | ||
7d301ae6 CY |
2223 | ** `auto-mode-case-fold' is now enabled by default. |
2224 | ||
7d301ae6 | 2225 | ** `backup-by-copying-when-mismatch' now defaults to t. |
f66eca26 | 2226 | |
dfdb4cad CY |
2227 | ** New basic faces `error', `warning', `success'. |
2228 | These are used to highlight text indicating failure, caution or | |
2229 | successful operation. | |
2230 | ||
2231 | ** New option `list-colors-sort' defines the color sort order | |
2232 | for `list-colors-display'. | |
2233 | ||
2234 | ** The variable `focus-follows-mouse' now always defaults to nil. | |
2235 | ||
0bfd685e | 2236 | \f |
eb199145 | 2237 | * Editing Changes in Emacs 24.1 |
b350bdf2 | 2238 | |
892777ba | 2239 | ** Search changes |
dfdb4cad CY |
2240 | |
2241 | *** C-y in Isearch is now bound to `isearch-yank-kill', instead of | |
2242 | `isearch-yank-line'. | |
2243 | ||
2244 | *** M-y in Isearch is now bound to `isearch-yank-pop', instead of | |
2245 | `isearch-yank-kill'. | |
2246 | ||
2247 | *** M-s C-e in Isearch is now bound to `isearch-yank-line'. | |
2248 | ||
b2b0776e | 2249 | ** New commands `count-words-region' and `count-words'. |
dfdb4cad | 2250 | |
10607bea CY |
2251 | *** M-= is bound to `count-words-region', not `count-lines-region'. |
2252 | The `count-words-region' command, when called interactively, reports | |
2253 | the number of lines, words, and characters in the region. It is a | |
2254 | superset of the old `count-lines-region', which is now an obsolete | |
2255 | alias for it. | |
ea4f7750 | 2256 | |
ec9da840 | 2257 | ** The command `just-one-space' (M-SPC), if given a negative argument, |
1c708c1a CY |
2258 | also deletes newlines around point. |
2259 | ||
b9229673 | 2260 | ** Deletion changes |
dfdb4cad | 2261 | |
b9229673 | 2262 | *** New option `delete-active-region'. |
ddb54206 | 2263 | If non-nil, [delete] and DEL delete the region if it is active and no |
dfdb4cad | 2264 | prefix argument is given. If set to `kill', those commands kill |
ddb54206 | 2265 | instead. |
dfdb4cad | 2266 | |
59ee0542 | 2267 | *** New command `delete-forward-char', bound to [delete]. |
42d9cffa CY |
2268 | This is meant for interactive use, and obeys `delete-active-region'. |
2269 | The command `delete-char' does not obey `delete-active-region'. | |
dfdb4cad | 2270 | |
b9229673 CY |
2271 | *** `delete-backward-char' is now a Lisp function. |
2272 | Apart from obeying `delete-active-region', its behavior is unchanged. | |
7d301ae6 CY |
2273 | However, the byte compiler now warns if it is called from Lisp; Lisp |
2274 | callers should use delete-char with a negative argument instead. | |
dfdb4cad | 2275 | |
b9229673 CY |
2276 | *** The option `mouse-region-delete-keys' has been deleted. |
2277 | ||
f9d71b42 CY |
2278 | ** Selection changes. |
2279 | ||
7d301ae6 CY |
2280 | The default handling of clipboard and primary selections has been |
2281 | changed to conform with modern X applications. In short, most | |
2282 | commands for killing and yanking text now use the clipboard, while | |
2283 | mouse commands use the primary selection. | |
b1ab31ae CY |
2284 | |
2285 | In the following, we provide a list of these changes, followed by a | |
2286 | list of steps to get the old behavior back if you prefer that. | |
2287 | ||
b1ab31ae CY |
2288 | *** `select-active-regions' now defaults to t. |
2289 | Merely selecting text (e.g. with drag-mouse-1) no longer puts it in | |
963578d3 | 2290 | the kill ring. The selected text is put in the primary selection, if |
b1ab31ae CY |
2291 | the system possesses a separate primary selection facility (e.g. X). |
2292 | ||
2293 | **** `select-active-regions' also accepts a new value, `only'. | |
2294 | This means to only set the primary selection for temporarily active | |
2295 | regions (usually made by mouse-dragging or shift-selection); | |
2296 | "ordinary" active regions, such as those made with C-SPC followed by | |
2297 | point motion, do not alter the primary selection. | |
2298 | ||
963578d3 CY |
2299 | **** `mouse-drag-copy-region' now defaults to nil. |
2300 | ||
b1ab31ae CY |
2301 | *** mouse-2 is now bound to `mouse-yank-primary'. |
2302 | This pastes from the primary selection, ignoring the kill-ring. | |
2303 | Previously, mouse-2 was bound to `mouse-yank-at-click'. | |
dfdb4cad | 2304 | |
b1ab31ae | 2305 | *** `x-select-enable-clipboard' now defaults to t on all platforms. |
dfdb4cad | 2306 | |
b1ab31ae CY |
2307 | *** `x-select-enable-primary' now defaults to nil. |
2308 | Thus, commands that kill text or copy it to the kill-ring (such as | |
2309 | M-w, C-w, and C-k) also use the clipboard---not the primary selection. | |
2310 | ||
2311 | **** The "Copy", "Cut", and "Paste" items in the "Edit" menu are now | |
dfdb4cad | 2312 | exactly equivalent to M-w, C-w, and C-y respectively. |
b1ab31ae CY |
2313 | |
2314 | **** Note that on MS-Windows, `x-select-enable-clipboard' was already | |
2315 | non-nil by default, as Windows does not support the primary selection | |
2316 | between applications. | |
2317 | ||
2318 | *** To return to the previous behavior, do the following: | |
dfdb4cad | 2319 | |
104c2fe9 | 2320 | **** Change `select-active-regions' to nil. |
b1ab31ae CY |
2321 | **** Change `mouse-drag-copy-region' to t. |
2322 | **** Change `x-select-enable-primary' to t (on X only). | |
2323 | **** Change `x-select-enable-clipboard' to nil. | |
2324 | **** Bind `mouse-yank-at-click' to mouse-2. | |
f9d71b42 | 2325 | |
084e6df3 | 2326 | *** Support for X cut buffers has been removed. |
dfdb4cad | 2327 | |
3fd50d5c CY |
2328 | *** X clipboard managers are now supported. |
2329 | To inhibit this, change `x-select-enable-clipboard-manager' to nil. | |
4b80f674 | 2330 | |
dfdb4cad CY |
2331 | ** New command `C-x r N' (`rectangle-number-lines') numbers the lines |
2332 | in the current rectangle. With a prefix argument, this prompts for a | |
2333 | number to count from and for a format string. | |
99f053cf | 2334 | |
7d301ae6 | 2335 | ** `redisplay-dont-pause' now defaults to t. |
6bf7006f EZ |
2336 | This makes Emacs feel more responsive to editing commands that arrive |
2337 | at high rate, e.g. if you lean on some key, because stopping redisplay | |
2338 | in the middle (when this variable is nil) forces more expensive | |
2339 | updates later on, and Emacs appears to be unable to keep up. | |
2340 | ||
e70b5064 CY |
2341 | ** The behavior of <TAB> for active regions in Text mode has changed. |
2342 | In Text and related modes, typing <TAB> (`indent-for-tab-command') | |
2343 | when the region is active causes Emacs to indent all the lines in the | |
2344 | region, aligning them with the line previous to the first line in the | |
2345 | region (or with the left margin if there is no previous line). | |
2346 | ||
dfdb4cad CY |
2347 | ** When `occur' is called with a prefix argument, matching strings are |
2348 | collected into the `*Occur*' buffer without line numbers. If there | |
2349 | are parenthesized subexpressions in the specified regexp, `occur' | |
2350 | reads replacement text that may contain \\& and \\N whose convention | |
2351 | follows `replace-match'. | |
2352 | ||
9bae34bf | 2353 | \f |
eb199145 | 2354 | * Changes in Specialized Modes and Packages in Emacs 24.1 |
efeb796b | 2355 | |
041d709f | 2356 | ** Archive Mode has basic support for browsing and updating 7z archives. |
d76674bb | 2357 | |
b7c3692a | 2358 | ** BibTeX mode |
dfdb4cad | 2359 | |
2de69e00 | 2360 | *** BibTeX mode now supports biblatex. |
7d301ae6 CY |
2361 | Use the variable `bibtex-dialect' to select different BibTeX dialects. |
2362 | `bibtex-entry-field-alist' is now an obsolete alias for | |
2363 | `bibtex-BibTeX-entry-alist'. | |
2364 | ||
dfdb4cad CY |
2365 | *** New command `bibtex-search-entries', bound to C-c C-a. |
2366 | ||
b7c3692a | 2367 | *** New `bibtex-entry-format' option `sort-fields', disabled by default. |
dfdb4cad | 2368 | |
022fe7ce RW |
2369 | *** New variable `bibtex-search-entry-globally'. |
2370 | ||
7d301ae6 | 2371 | ** Browse-url |
dfdb4cad | 2372 | |
7d301ae6 | 2373 | *** New option `browse-url-mailto-function' specifies how to handle "mailto:"s. |
dfdb4cad | 2374 | |
7d301ae6 CY |
2375 | *** The default browser used by the package is now the "xdg-open" program, |
2376 | on platforms that support it. This calls your desktop's preferred browser. | |
2377 | ||
86e100a6 GM |
2378 | ** Calc |
2379 | ||
2380 | *** Support for musical notes. | |
2381 | ||
2382 | *** Support for logarithmic units. | |
2383 | ||
2384 | *** No longer uses the tex prefix for TeX specific unit names when | |
2385 | using TeX or LaTeX mode. | |
2386 | ||
2387 | *** New option to highlight selections using faces. | |
2388 | ||
2389 | *** `calc-histogram' has the option of using a vector to determine the bins. | |
2390 | ||
2391 | *** New "O" option prefix. | |
2392 | ||
2393 | *** Use the "O" prefix to "d r" (`calc-radix') to turn on twos-complement mode. | |
2394 | ||
cf16af42 GM |
2395 | ** Calendar, Diary, and Appt |
2396 | ||
7d301ae6 | 2397 | *** Diary entries can contain non-printing "comments". |
548d0a63 GM |
2398 | See the variable `diary-comment-start'. |
2399 | ||
5006e634 GM |
2400 | *** Appointments can specify their individual warning times. |
2401 | See the variable `appt-warning-time-regexp'. | |
2402 | ||
0a2bb1a9 GM |
2403 | *** The function specified by `appt-disp-window-function' may be passed |
2404 | lists of arguments if multiple appointments are due at similar times. | |
2405 | If you are using a custom function for this, you should update it. | |
2406 | ||
7454f200 GM |
2407 | *** New function `diary-hebrew-birthday'. |
2408 | ||
e565dd37 GM |
2409 | *** Elements of `calendar-day-abbrev-array' and `calendar-month-abbrev-array' |
2410 | may no longer be nil, but must all be strings. | |
2411 | ||
7d301ae6 CY |
2412 | *** The obsolete (since Emacs 22.1) method of enabling the appt |
2413 | package by adding `appt-make-list' to `diary-hook' has been removed. | |
2414 | Use `appt-activate' instead. | |
cf16af42 | 2415 | |
cf16af42 GM |
2416 | *** Some appt variables (obsolete since Emacs 22.1) have been removed: |
2417 | appt-issue-message (use the function appt-activate) | |
2418 | appt-visible/appt-msg-window (use the variable appt-display-format) | |
2419 | ||
cf16af42 GM |
2420 | *** Some diary function aliases (obsolete since Emacs 22.1) have been removed: |
2421 | view-diary-entries, list-diary-entries, show-all-diary-entries | |
2422 | ||
551b046f | 2423 | ** CC Mode |
dfdb4cad | 2424 | |
551b046f | 2425 | *** New feature to "guess" the style in an existing buffer. |
7d301ae6 | 2426 | The main entry point is M-x c-guess. |
041d709f | 2427 | |
551b046f AM |
2428 | *** Java Mode now supports Java 5.0 (Tiger) and 6 (Mustang). |
2429 | ||
dfdb4cad | 2430 | *** `c-beginning-of-defun' and `c-end-of-defun' now respect nested scopes. |
551b046f AM |
2431 | Thus C-M-a will, by default, go to the beginning of the immediate function, |
2432 | not the top level. | |
2433 | ||
dfdb4cad | 2434 | *** "Macros with semicolons" can be registered for correct indentation. |
551b046f AM |
2435 | Where such a macro ends a line (no semicolon) the next statement is no longer |
2436 | parsed as a statement continuation. | |
2437 | ||
dfdb4cad | 2438 | ** Comint and modes derived from it use the standard completion code. |
041d709f CY |
2439 | |
2440 | ** Compilation mode | |
dfdb4cad | 2441 | |
7d301ae6 | 2442 | *** Compilation mode can be used without Font Lock mode. |
041d709f CY |
2443 | `compilation-parse-errors-function' is now obsolete. |
2444 | ||
dfdb4cad | 2445 | *** New variable `compilation-filter-start', which is bound while |
7d301ae6 CY |
2446 | `compilation-filter-hook' runs. It records the start position of the |
2447 | text inserted by `compilation-filter'. | |
041d709f | 2448 | |
47a6a35f GM |
2449 | *** `compilation-error-screen-columns' and `compilation-first-column' |
2450 | are obeyed in the editing buffer. So programming language modes can | |
7d301ae6 CY |
2451 | set them, whereas previously only the value in the *Compilation* |
2452 | buffer was used. | |
1dce7193 | 2453 | |
52834b6b CY |
2454 | ** Customize |
2455 | ||
2456 | *** Customize buffers now contain a search field. | |
2457 | The search is performed using `customize-apropos'. | |
7d301ae6 | 2458 | To turn off the search field, set `custom-search-field' to nil. |
52834b6b | 2459 | |
8d5dd370 | 2460 | *** Options in customize group buffers start out hidden if not customized. |
52834b6b CY |
2461 | Use the arrow to the left of the option name to toggle visibility. |
2462 | ||
2463 | *** custom-buffer-sort-alphabetically now defaults to t. | |
2464 | ||
2465 | *** The color widget now has a "Choose" button, which allows you to | |
7d301ae6 | 2466 | choose a color via `list-colors-display'. |
52834b6b | 2467 | |
041d709f CY |
2468 | ** D-Bus |
2469 | ||
5da3be7f GM |
2470 | *** It is now possible to access buses other than the default system |
2471 | or session bus. | |
041d709f | 2472 | |
7d301ae6 | 2473 | *** The `dbus-register-method' and `dbus-register-property' functions |
5da3be7f | 2474 | optionally do not register names. |
041d709f | 2475 | |
7d301ae6 | 2476 | *** The new function `dbus-register-service' registers a known service |
dfdb4cad | 2477 | name on a D-Bus without also registering a property or a method. |
041d709f | 2478 | |
f5d6548a | 2479 | ** Dired-x |
425a25f1 | 2480 | |
7d301ae6 CY |
2481 | *** C-x C-j (`dired-jump') and C-x 4 C-j (`dired-jump-other-window'), |
2482 | if called with a prefix argument, read a file name from the minibuffer | |
2483 | instead of using the current buffer. | |
f5d6548a | 2484 | |
7d301ae6 | 2485 | *** The "dired local variables" feature of Dired-x is obsolete. |
817b48a7 | 2486 | The standard directory local variables feature replaces it. |
8117868f | 2487 | |
041d709f | 2488 | ** ERC changes |
7492acc9 | 2489 | |
c4077254 GM |
2490 | *** New options `erc-autojoin-timing' and `erc-autojoin-delay', |
2491 | controlling attempts to autojoin a channel. | |
041d709f CY |
2492 | |
2493 | *** New variable `erc-coding-system-precedence': If we use `undecided' | |
2494 | as the server coding system, this variable will then be consulted. | |
2495 | The default is to decode strings that can be decoded as utf-8 as | |
2496 | utf-8, and do the normal `undecided' decoding for the rest. | |
7492acc9 | 2497 | |
041d709f | 2498 | ** Eshell changes |
7492acc9 | 2499 | |
05f77e38 GM |
2500 | *** The default value of `eshell-directory-name' has changed |
2501 | to be an "eshell" directory in `user-emacs-directory'. | |
2502 | The old "~/.eshell/" directory is still used if it exists, though. | |
041d709f CY |
2503 | |
2504 | ** gdb-mi | |
dfdb4cad CY |
2505 | |
2506 | *** The M-x gdb command now uses the GDB Machine Interface protocol. | |
05f77e38 GM |
2507 | It now supports multithread non-stop debugging and simultaneous |
2508 | debugging of several threads. | |
7492acc9 | 2509 | |
18af70d0 CY |
2510 | ** Image mode |
2511 | ||
05f77e38 GM |
2512 | *** RET (`image-toggle-animation') toggles animation, if applicable. |
2513 | Animation plays once, unless the option `image-animate-loop' is non-nil. | |
18af70d0 | 2514 | |
041d709f | 2515 | ** Info |
723ee192 | 2516 | |
7d301ae6 | 2517 | *** New command M-x info-display-manual displays a named Info manual. |
2ebc3b94 GM |
2518 | If that manual is already visited in some Info buffer, it displays |
2519 | that buffer. (This is handy if you have many manuals in many *info* | |
2520 | buffers, and don't remember the name of the buffer visiting the manual | |
2521 | you want to consult.) Otherwise, it loads and displays the manual. | |
691cf4a0 | 2522 | |
24ea72d3 EZ |
2523 | *** `e' is now bound to `end-of-buffer' rather than to `Info-edit'. |
2524 | This is for compatibility with the stand-alone Info reader program, | |
2525 | and also because `Info-edit' is a rarely used command that is disabled | |
2526 | by default. | |
2527 | ||
7d301ae6 | 2528 | ** Mail mode changes (not Message mode) |
dfdb4cad | 2529 | |
7d301ae6 | 2530 | *** New command M-x mail-add-attachment for adding MIME attachments |
7d301ae6 | 2531 | |
dfdb4cad CY |
2532 | *** The command M-x mail-attach-file was renamed to M-x mail-insert-file. |
2533 | (Its name is misleading, since it has nothing to do with MIME | |
2534 | attachments.) The old name is now an obsolete alias to the new name. | |
2535 | ||
f2c3a9eb | 2536 | ** MH-E has been updated to MH-E version 8.3.1. |
041d709f | 2537 | See MH-E-NEWS for details. |
37221432 | 2538 | |
041d709f | 2539 | ** Modula-2 mode provides auto-indentation. |
37221432 | 2540 | |
041d709f | 2541 | ** mpc.el: Can use pseudo tags of the form tag1|tag2 as a union of two tags. |
3c3d4f5b | 2542 | |
5d1ac394 | 2543 | ** nXML mode no longer binds C-RET to `nxml-complete'. |
dfdb4cad CY |
2544 | Completion is now performed via `completion-at-point', bound to C-M-i |
2545 | or M-TAB. If `nxml-bind-meta-tab-to-complete-flag' is non-nil (the | |
2546 | default), this performs tag completion. | |
5d1ac394 | 2547 | |
f2c3a9eb CY |
2548 | ** Org mode has been updated to version 7.8.09. |
2549 | See ORG-NEWS for details. | |
2550 | ||
041d709f | 2551 | ** Prolog mode has been completely revamped, with lots of additional |
7d301ae6 CY |
2552 | functionality such as more intelligent indentation, electricity, |
2553 | support for more variants, including Mercury, and a lot more. | |
041d709f CY |
2554 | |
2555 | ** Rmail | |
2556 | ||
2557 | *** The command `rmail-epa-decrypt' decrypts OpenPGP data | |
2558 | in the Rmail incoming message. | |
2559 | ||
50419064 GM |
2560 | *** The variable `rmail-message-filter' no longer has any effect. |
2561 | This change was made in Emacs 23.1 but was not advertised at the time. | |
2562 | Try using `rmail-show-message-hook' instead. | |
2563 | ||
717a1362 | 2564 | ** Shell mode |
dfdb4cad CY |
2565 | |
2566 | *** M-x shell prompts for the shell path name if the default directory | |
2567 | is a remote file name and neither the environment variable $ESHELL nor | |
2568 | the variable `explicit-shell-file-name' is set. | |
2569 | ||
2570 | *** TAB is now bound to the standard `completion-at-point' command, | |
2571 | which now implements the pcomplete rules for shell command completion. | |
717a1362 | 2572 | |
7d301ae6 CY |
2573 | ** SMTPmail |
2574 | ||
dfdb4cad | 2575 | *** SMTPmail now uses encrypted connections (via STARTTLS) by default |
7d301ae6 CY |
2576 | if the mail server supports them. This uses either built-in GnuTLS |
2577 | support, or the starttls.el library. Customize `smtpmail-stream-type' | |
2578 | to change this. | |
2579 | ||
7d301ae6 CY |
2580 | *** The variable `smtpmail-auth-credentials' has been removed. |
2581 | By default, the information is now stored in the file ~/.authinfo. | |
dfdb4cad CY |
2582 | This was the default value of smtpmail-auth-credentials. If you had |
2583 | customized smtpmail-auth-credentials to a list of user names and | |
2584 | passwords, those settings are not used. During your first connection | |
2585 | to the smtp server, Emacs will prompt for the user name and password, | |
2586 | and offer to save them to ~/.authinfo. Or you can manually copy the | |
2587 | credentials to ~/.authinfo. For example, if you had | |
7d301ae6 CY |
2588 | |
2589 | (setq smtpmail-auth-credentials | |
2590 | '(("mail.example.org" 25 "jim" "s!cret"))) | |
2591 | ||
2592 | then the equivalent line in ~/.authinfo would be | |
2593 | ||
2594 | machine mail.example.org port 25 login jim password s!cret | |
2595 | ||
2596 | See the auth-source manual for more information, e.g. on encrypting | |
2597 | the credentials file. | |
2598 | ||
7d301ae6 | 2599 | *** The variable `smtpmail-starttls-credentials' has been removed. |
dfdb4cad | 2600 | If you had that set, you need to put |
7d301ae6 CY |
2601 | |
2602 | machine smtp.whatever.foo port 25 key "~/.my_smtp_tls.key" cert "~/.my_smtp_tls.cert" | |
2603 | ||
2604 | in your ~/.authinfo file instead. | |
2605 | ||
8ce192e3 LI |
2606 | *** SMTPmail defaults to using the address in the From: header as the |
2607 | SMTP MAIL FROM envelope. To override this, set `mail-envelope-from' | |
2608 | to the address you wish to use instead. | |
2609 | ||
34e8a2da | 2610 | ** SQL mode |
041d709f | 2611 | |
34e8a2da GM |
2612 | *** New options `sql-port', `sql-connection-alist', `sql-send-terminator', |
2613 | and `sql-oracle-scan-on'. | |
041d709f | 2614 | |
dfdb4cad | 2615 | *** New options controlling prompting for login parameters. |
34e8a2da GM |
2616 | Each supported product has a custom variable `sql-*-login-params', |
2617 | which is a list of the parameters to be prompted for before a | |
2618 | connection is established. | |
041d709f CY |
2619 | |
2620 | *** The command `sql-product-interactive' now takes a prefix argument, | |
34e8a2da | 2621 | which causes it to prompt for an SQL product. |
041d709f | 2622 | |
34e8a2da | 2623 | *** Product-specific SQL interactive commands now take prefix arguments. |
041d709f CY |
2624 | These commands (`sql-sqlite', `sql-postgres', `sql-mysql', etc.), |
2625 | given a prefix argument, prompt for a name for the SQL interactive | |
2626 | buffer. This reduces the need for calling `sql-rename-buffer'. | |
2627 | ||
2628 | *** SQL interactive modes suppress command continuation prompts, and | |
2629 | replace tabs with spaces. The first change impacts multiple line SQL | |
2630 | statements entered with C-j between each line, statements yanked into | |
2631 | the buffer and statements sent with `sql-send-*' functions. The | |
34e8a2da GM |
2632 | second prevents the MySQL and Postgres interpreters from listing |
2633 | object name completions when sent text via `sql-send-*' functions. | |
041d709f CY |
2634 | |
2635 | *** New command `sql-connect' starts a predefined SQLi session, | |
2636 | using the login parameters from `sql-connection-alist'. | |
2637 | ||
2638 | *** New "Save Connection" menu item in SQLi buffers. | |
2639 | This gathers the login params specified for the SQLi session, if it | |
2640 | was not started by a connection, and saves them as a new connection. | |
2641 | ||
34e8a2da GM |
2642 | *** New commands for listing database objects and details: |
2643 | sql-list-all and sql-list-table. | |
041d709f CY |
2644 | |
2645 | *** An API for manipulating SQL product definitions has been added. | |
2646 | ||
2647 | ** TeX modes | |
2648 | ||
2649 | *** latex-electric-env-pair-mode keeps \begin..\end matched on the fly. | |
412b9ee5 | 2650 | |
459bba37 | 2651 | ** Tramp |
dfdb4cad | 2652 | |
7d301ae6 | 2653 | *** New inline access method "ksu" (kerberized su). |
dfdb4cad | 2654 | |
459bba37 | 2655 | *** The following access methods are discontinued: "ssh1_old", |
ea843702 | 2656 | "ssh2_old", "scp1_old", "scp2_old", "imap", "imaps" and "fish". |
dfdb4cad | 2657 | |
b011fbfe GM |
2658 | *** The user option `remote-file-name-inhibit-cache' controls whether |
2659 | remote file attributes are cached for better performance. | |
dfdb4cad | 2660 | |
58f74fe4 MA |
2661 | *** The option `ange-ftp-binary-file-name-regexp' has changed its |
2662 | default value to "". | |
dfdb4cad | 2663 | |
7d301ae6 CY |
2664 | *** Handlers for `file-selinux-context' and `set-file-selinux-context' |
2665 | for remote machines which support SELinux. | |
58f74fe4 | 2666 | |
dfdb4cad | 2667 | ** New function `url-queue-retrieve', which behaves like url-retrieve, |
a48ec60c GM |
2668 | but with limits (`url-queue-parallel-processes', `url-queue-timeout') on |
2669 | the degree of parallelism. | |
177549d0 | 2670 | |
0c32ce32 CY |
2671 | ** VC and related modes |
2672 | ||
2673 | *** Support for pulling on distributed version control systems. | |
7d301ae6 CY |
2674 | The command C-x v + (`vc-pull') runs a "pull" operation, if it is |
2675 | supported (currently with Bzr, Git, and Mercurial), to update the | |
2676 | current branch and working tree. A prefix argument means to prompt | |
2677 | the user for specifics, e.g. a pull location. | |
0c32ce32 | 2678 | |
dab3703d | 2679 | *** `vc-update' is now an alias for `vc-pull'. |
0c32ce32 CY |
2680 | |
2681 | *** Support for merging on distributed version control systems. | |
7d301ae6 CY |
2682 | The command C-x v m (`vc-merge') now runs a "merge" operation, if it |
2683 | is supported (currently with Bzr, Git, and Mercurial), to merge | |
2684 | changes from another branch into the current one. It prompts for | |
2685 | specifics, e.g. a merge source. | |
0c32ce32 | 2686 | |
2afef60a | 2687 | *** New option `vc-revert-show-diff' controls whether `vc-revert' |
bbe43420 | 2688 | shows a diff while querying the user. It defaults to t. |
2afef60a | 2689 | |
d4eb88c7 CY |
2690 | *** Log entries in some Log View buffers can be toggled to display a |
2691 | longer description by typing RET (log-view-toggle-entry-display). | |
dab3703d GM |
2692 | This is currently supported for Bzr, Git, and Mercurial (to support |
2693 | another backend, define a `log-view-expanded-log-entry-function'). | |
7d301ae6 | 2694 | In the Log View buffers made by C-x v L (`vc-print-root-log'), you can |
d4eb88c7 CY |
2695 | use this to display the full log entry for the revision at point. |
2696 | ||
1c6c854e CS |
2697 | *** New command `vc-ediff' allows visual comparison of two revisions |
2698 | of a file similar to `vc-diff', but using ediff backend. | |
2699 | ||
86c60681 CY |
2700 | *** The option `vc-initial-comment' was removed in Emacs 23.2, but |
2701 | this was not advertised at the time. | |
2702 | ||
86c60681 CY |
2703 | *** `vc-toggle-read-only' is an obsolete alias for `toggle-read-only'. |
2704 | Since Emacs 23, it has done the same thing as `toggle-read-only', but | |
80c6d77f GM |
2705 | this was not advertised at the time. |
2706 | ||
041d709f CY |
2707 | ** Obsolete modes |
2708 | ||
23d70505 GM |
2709 | *** abbrevlist.el |
2710 | ||
f8ca9162 | 2711 | *** erc-hecomplete.el (use erc-pcomplete.el instead) |
23d70505 GM |
2712 | |
2713 | *** partial-completion-mode (complete.el) is obsolete. | |
041d709f CY |
2714 | You can get a comparable behavior with: |
2715 | (setq completion-styles '(partial-completion initials)) | |
2716 | (setq completion-pcm-complete-word-inserts-delimiters t) | |
2717 | ||
23d70505 GM |
2718 | *** pc-mode.el is obsolete (CUA mode is much more comprehensive). |
2719 | ||
2c719188 | 2720 | *** pgg is obsolete (use EasyPG instead). |
041d709f CY |
2721 | |
2722 | *** sregex.el is obsolete, since rx.el is a strict superset. | |
2723 | ||
23d70505 GM |
2724 | *** s-region.el and pc-select.el are obsolete. |
2725 | They are superseded by shift-select-mode, enabled by default since 23.1. | |
2726 | ||
2c719188 | 2727 | *** vc-mcvs.el is obsolete (for lack of a maintainer). |
ca5eed61 | 2728 | |
0fe719e6 GM |
2729 | ** Miscellaneous |
2730 | ||
05f77e38 | 2731 | *** The Landmark game is now invoked with `landmark', not `lm'. |
c6ad2a4e | 2732 | Its functions and variables have been similarly renamed. |
05f77e38 | 2733 | |
dfdb4cad | 2734 | *** In `ido-file-completion-map', C-v is no longer bound to `ido-toggle-vc'. |
05f77e38 GM |
2735 | (This interfered with cua-mode.) |
2736 | ||
9f678528 GM |
2737 | *** f90.el has some support for Fortran 2008 syntax. |
2738 | ||
0fe719e6 GM |
2739 | *** `copyright-fix-years' can optionally convert consecutive years to ranges. |
2740 | ||
5b3e6db8 GM |
2741 | *** New command `nato-region' converts text to NATO phonetic alphabet. |
2742 | ||
eb199145 GM |
2743 | \f |
2744 | * New Modes and Packages in Emacs 24.1 | |
d445b3f8 | 2745 | |
60e56523 | 2746 | ** Occur Edit mode applies edits made in *Occur* buffers to the |
8c0f49f0 | 2747 | original buffers. It is bound to "e" in Occur mode. |
60e56523 | 2748 | |
a075a2c5 GM |
2749 | ** New global minor mode electric-pair-mode. |
2750 | When enabled, typing an open parenthesis automatically inserts the | |
2751 | matching closing one. | |
2752 | ||
2753 | ** New global minor mode electric-indent-mode. | |
2754 | When enabled, typing certain characters triggers reindentation. | |
cd3308f3 GM |
2755 | Major modes wishing to use this can set electric-indent-chars or |
2756 | electric-indent-functions. | |
a075a2c5 GM |
2757 | |
2758 | ** New global minor mode electric-layout-mode. | |
2759 | When enabled, typing certain characters automatically inserts newlines. | |
cd3308f3 | 2760 | Major modes wishing to use this can set electric-layout-rules. |
3b843809 | 2761 | |
a83ec3c9 CY |
2762 | ** tabulated-list.el provides a generic major mode for tabulated data, |
2763 | from which other modes can be derived. | |
2764 | ||
d02c9bcd SM |
2765 | ** pcase.el provides the ML-style pattern matching macro `pcase'. |
2766 | ||
7725ebb7 MA |
2767 | ** secrets.el is an implementation of the Secret Service API, an |
2768 | interface to password managers like GNOME Keyring or KDE Wallet. The | |
065f2743 MA |
2769 | Secret Service API requires D-Bus for communication. The command |
2770 | `secrets-show-secrets' offers a buffer with a visualization of the | |
2771 | secrets. | |
7725ebb7 | 2772 | |
f9e78150 MA |
2773 | ** notifications.el provides an implementation of the Desktop |
2774 | Notifications API. It requires D-Bus for communication. | |
2775 | ||
12fe5bcc MA |
2776 | ** soap-client.el supports access to SOAP web services from Emacs. |
2777 | soap-inspect.el is an interactive inspector for SOAP WSDL structures. | |
2778 | ||
ff1796f3 | 2779 | ** New generic mode, xmodmap-generic-mode, for xmodmap files. |
ad7d6ecb | 2780 | |
53bbe3ad | 2781 | ** New emacs-lock.el package. |
7d301ae6 CY |
2782 | The previous version has been moved to obsolete/old-emacs-lock.el. |
2783 | Now, there is a proper minor mode `emacs-lock-mode'. Protection | |
2784 | against exiting Emacs and killing the buffer can be set separately. | |
2785 | The mechanism for automatically turning off protection for buffers | |
2786 | with dead inferior processes has been generalized. | |
53bbe3ad | 2787 | |
eb199145 GM |
2788 | \f |
2789 | * Incompatible Lisp Changes in Emacs 24.1 | |
6dfcbe31 | 2790 | |
7d301ae6 CY |
2791 | ** Passing a nil argument to a minor mode function call now ENABLES |
2792 | the minor mode unconditionally. This is so that you can write e.g. | |
2793 | ||
dfdb4cad | 2794 | (add-hook 'text-mode-hook 'foo-mode) |
7d301ae6 | 2795 | |
dfdb4cad CY |
2796 | to enable foo-mode in Text mode buffers, removing the need for |
2797 | `turn-on-foo-mode' style functions. This affects all mode commands | |
2798 | defined by `define-minor-mode'. If called interactively, the mode | |
2799 | command still toggles the minor mode. | |
7d301ae6 | 2800 | |
d268b4fe CY |
2801 | ** The return value of `backup-buffer' has changed. |
2802 | It is now a list of three elements, where the second element is a list | |
2803 | describing the original file's SELinux context. If Emacs or the | |
f003f294 | 2804 | system lacks SELinux support, the context list is (nil nil nil nil). |
7d301ae6 | 2805 | See "Basic SELinux support" above, under "Changes in Emacs 24.1". |
d268b4fe | 2806 | |
dfdb4cad CY |
2807 | ** `char-direction-table' and the `char-direction' function were deleted. |
2808 | They were buggy and inferior to the new support of bidirectional | |
2809 | editing introduced in Emacs 24. If you need the bidirectional | |
2810 | properties of a character, use `get-char-code-property' with the last | |
2811 | argument `bidi-class'. | |
fa6996bc | 2812 | |
470d996d TV |
2813 | ** `copy-directory' now copies the source directory as a subdirectory |
2814 | of the target directory, if the latter is an existing directory. The | |
2815 | new optional arg COPY-CONTENTS, if non-nil, makes the function copy | |
2816 | the contents directly into a pre-existing target directory. | |
2817 | ||
9173a8fb CY |
2818 | ** For mouse click input events in the text area, the Y pixel |
2819 | coordinate in the POSITION list now counts from the top of the text | |
2820 | area, excluding any header line. Previously, it counted from the top | |
2821 | of the header line. | |
2822 | ||
7d301ae6 CY |
2823 | ** Support for "old-style" backquotes, obsolete for 10+ years, has |
2824 | been further reduced. Now a backquote not followed by a space is | |
2825 | always treated as a "new-style" backquote. Please remove all | |
2826 | "old-style" backquotes from your code. If your code uses backquotes | |
2827 | as documented in the Elisp manual, and compiles without warning, then | |
2828 | you have nothing to do in this regard. Code not following the | |
2829 | appropriate conventions may fail to compile. | |
50ab02c5 CY |
2830 | |
2831 | The most common cause of trouble seems to be an old-style backquote | |
2832 | followed by a newline. Another cause of trouble is vector notation | |
2833 | for key sequence notation: instead of [(control ,)] and [(control ')], | |
2834 | you should write [(control ?,)] and [(control ?')], which will work in | |
7d301ae6 | 2835 | older Emacsen too. |
288cf4e9 | 2836 | |
520f2425 GM |
2837 | ** The macro `eval-at-startup' was removed in Emacs 23.2, but this |
2838 | was not advertised at the time. The function `custom-initialize-delay' | |
2839 | replaced all known uses. | |
2840 | ||
7d301ae6 CY |
2841 | ** `view-buffer' now treats special mode-class in the same way that |
2842 | `view-file' has since Emacs 22 (i.e. it won't enable View mode if the | |
2843 | major mode is special). | |
fd5c9dfa | 2844 | |
7d301ae6 | 2845 | ** Menu and tool bar changes |
6431f2e6 | 2846 | |
7d301ae6 | 2847 | *** During startup, Emacs no longer adds entries for `menu-bar-lines' |
0a19a6f8 JB |
2848 | and `tool-bar-lines' to `default-frame-alist' and `initial-frame-alist'. |
2849 | With these alist entries omitted, `make-frame' checks the value of the | |
2850 | variable `menu-bar-mode'/`tool-bar-mode' to determine whether to create | |
2851 | a menu-bar or tool-bar, respectively. If the alist entries are added, | |
2852 | they override the value of `menu-bar-mode'/`tool-bar-mode'. | |
6431f2e6 | 2853 | |
7d301ae6 CY |
2854 | *** The menu bar bindings's caches are not used any more. |
2855 | Use (where-is-internal <def> nil t) instead. | |
2856 | ||
fe0aa820 | 2857 | ** Regions created by mouse dragging are now normal active regions, |
dfdb4cad | 2858 | similar to those created by shift-selection (see Selection changes |
7d301ae6 CY |
2859 | above). In previous Emacs versions, these regions were delineated by |
2860 | `mouse-drag-overlay'; that variable has been removed. | |
d6d8ee7a | 2861 | |
7d301ae6 CY |
2862 | ** The fourth argument of `filter-buffer-substring' has been removed. |
2863 | If you want to remove text properties from the final result, simply | |
2864 | pass the result through substring-no-properties. | |
34c99998 | 2865 | |
4583e796 GM |
2866 | ** cl.el no longer provides `cl-19'. |
2867 | ||
7d301ae6 CY |
2868 | ** The following obsolete functions and aliases have been removed |
2869 | (the appropriate new function is given in parentheses; "not needed" | |
2870 | means you can just remove all calls to the function in question): | |
2871 | ||
2872 | *** `comint-kill-output' (`comint-delete-output') | |
2873 | *** `decompose-composite-char' (`char-to-string') | |
2874 | *** `outline-visible' (`outline-invisible-p') | |
2875 | *** `internal-find-face' (`facep') | |
2876 | *** `internal-get-face' (`facep and check-face') | |
2877 | *** `frame-update-faces' (not needed) | |
2878 | *** `frame-update-face-colors' (`frame-set-background-mode') | |
2879 | *** `x-frob-font-weight' and `x-frob-font-slant' (`make-face-*' functions) | |
2c719188 | 2880 | *** `x-make-font-bold and x-make-font-demibold (`make-face-bold') |
7d301ae6 CY |
2881 | *** `x-make-font-italic' and `x-make-font-oblique' (`make-face-italic') |
2882 | *** `x-make-font-bold-italic' (`make-face-bold-italic') | |
2883 | *** `x-make-font-unbold' (`make-face-unbold') | |
2884 | *** `x-make-font-unitalic' (`make-face-unitalic') | |
2885 | *** `mldrag-drag-mode-line' (`mouse-drag-mode-line') | |
2886 | *** `mldrag-drag-vertical-line' (`mouse-drag-vertical-line') | |
2887 | *** `iswitchb-default-keybindings' (`iswitchb-mode') | |
2888 | *** `char-bytes' (== 1) | |
2889 | *** `isearch-return-char' (`isearch-printing-char') | |
2890 | *** `make-local-hook' (not needed) | |
2891 | *** `set-screen-height' (`set-frame-height') | |
2892 | *** `set-screen-width' (`set-frame-width') | |
2893 | ||
7d301ae6 CY |
2894 | ** The following obsolete variables and varaliases have been removed |
2895 | (the appropriate new variable is given in parentheses): | |
2896 | ||
2897 | *** `checkdoc-minor-keymap' (`checkdoc-minor-mode-map') | |
2898 | *** `vc-header-alist' (`vc-BACKEND-header') | |
2899 | *** `directory-sep-char' (== ?/) | |
2900 | *** `font-lock-defaults-alist' (`font-lock-defaults') | |
2901 | *** `e' (`float-e'). | |
3226d6ca | 2902 | |
041d709f | 2903 | ** The following obsolete files were removed: |
7b0e3048 GM |
2904 | sc.el, x-menu.el, rnews.el, rnewspost.el |
2905 | ||
7d301ae6 CY |
2906 | ** The format of the finder-inf.el file has changed, since the Finder |
2907 | mechanism is now based on the package system. The variable | |
2908 | `finder-package-info' is replaced by `package--builtins' and | |
2909 | `finder-keywords-hash'. | |
33658d4e | 2910 | |
c2c79260 DE |
2911 | ** When generating autoloads, `update-directory-autoloads' no longer |
2912 | assumes every inspected file is in your `load-path'. It instead | |
2913 | generates relative names according to the current `load-path'. | |
2914 | ||
eb199145 | 2915 | \f |
93e0bed6 | 2916 | * Lisp Changes in Emacs 24.1 |
9097e8af | 2917 | |
041d709f | 2918 | ** Code can now use lexical scoping by default instead of dynamic scoping. |
dfdb4cad | 2919 | The `lexical-binding' variable enables lexical scoping for local |
48da7392 | 2920 | variables. It is typically set via a file-local variable in the first |
dfdb4cad CY |
2921 | line of the file, in which case it applies to all the code in that |
2922 | file. | |
2923 | ||
041d709f CY |
2924 | *** `eval' takes a new optional argument `lexical' to choose the new lexical |
2925 | binding instead of the old dynamic binding mode. | |
dfdb4cad | 2926 | |
041d709f CY |
2927 | *** Lexically scoped interpreted functions are represented with a new form |
2928 | of function value which looks like (closure ENV ARGS &rest BODY). | |
2929 | ||
2930 | *** New macro `letrec' to define recursive local functions. | |
dfdb4cad CY |
2931 | |
2932 | *** `defvar' and `defconst' now mark the variable as special (dynamic). | |
2933 | So do `defcustom' and other forms that call `defvar' as a subroutine. | |
2934 | ||
041d709f CY |
2935 | *** New function `special-variable-p' to check whether a variable is |
2936 | declared as dynamically bound. | |
2937 | ||
88ed9e87 SM |
2938 | *** The form ((lambda ...) ...) is deprecated. |
2939 | ||
041d709f CY |
2940 | ** An Emacs Lisp testing tool is now included. |
2941 | Emacs Lisp developers can use this tool to write automated tests for | |
2942 | their code. See the ERT info manual for details. | |
2943 | ||
2944 | ** Changes for bidirectional display and editing | |
f1816485 | 2945 | |
041d709f | 2946 | *** New function `current-bidi-paragraph-direction'. |
7d301ae6 | 2947 | This returns the base direction of the paragraph at point. |
041d709f | 2948 | |
041d709f | 2949 | *** New function `bidi-string-mark-left-to-right'. |
dfdb4cad CY |
2950 | Given a string containing characters from right-to-left scripts, this |
2951 | function returns another string which can be safely inserted into a | |
2952 | buffer, such that any following text will be always displayed to the | |
7d301ae6 CY |
2953 | right of that string. (This works by appending an invisible Unicode |
2954 | "LEFT-TO-RIGHT MARK" character if the argument string might need it.) | |
041d709f | 2955 | |
7d301ae6 | 2956 | This is useful when the buffer has overall left-to-right paragraph |
dfdb4cad CY |
2957 | direction and you need to insert a string whose contents are not known |
2958 | in advance, without disrupting the layout of the line. | |
041d709f | 2959 | |
bee0fcef | 2960 | ** Window changes |
dfdb4cad | 2961 | |
c4682d18 MR |
2962 | *** Window tree functions are accessible in Elisp. |
2963 | Functions are provided to return the parent, siblings or child windows | |
2964 | of any window including internal windows (windows not associated with a | |
2965 | buffer) in the window tree. | |
dfdb4cad | 2966 | |
24300f5f CY |
2967 | **** New function `window-valid-p' gives non-nil for live and internal |
2968 | windows. | |
dfdb4cad | 2969 | |
24300f5f | 2970 | **** Window manipulation can deal with internal windows. |
c4682d18 MR |
2971 | Many window handling functions like `split-window', `delete-window', or |
2972 | `delete-other-windows' as well as the window resizing functions can now | |
2973 | act on any window including internal ones. | |
dfdb4cad | 2974 | |
c4682d18 MR |
2975 | *** window-total-height/-width vs window-body-height/-width. |
2976 | The function `window-height' has been renamed to `window-total-height' | |
2977 | and `window-width' has been renamed to `window-body-width'. The old | |
2978 | names are provided as aliases. Two new functions `window-total-width' | |
2979 | and `window-body-height' are provided. | |
dfdb4cad | 2980 | |
c4682d18 MR |
2981 | *** Window parameters specific to window handling functions. |
2982 | For each window you can specify a parameter to override the default | |
2983 | behavior of a number of functions like `split-window', `delete-window' | |
ed6235ea MR |
2984 | and `delete-other-windows'. The variable `ignore-window-parameters' |
2985 | allows to ignore processing such parameters. | |
dfdb4cad | 2986 | |
c4682d18 | 2987 | *** New semantics of third argument of `split-window'. |
c4682d18 MR |
2988 | The third argument of `split-window' has been renamed to SIDE and can be |
2989 | set to any of the values 'below, 'right, 'above, or 'left to make the | |
2990 | new window appear on the corresponding side of the window that shall be | |
2991 | split. Any other value of SIDE will cause `split-window' to split the | |
2992 | window into two side-by-side windows as before. | |
dfdb4cad | 2993 | |
c4682d18 | 2994 | *** Window resizing functions. |
487ffd7a | 2995 | A new standard function for resizing windows called `window-resize' has |
c4682d18 MR |
2996 | been introduced. This and all other functions for resizing windows no |
2997 | longer delete any windows when they become too small. | |
dfdb4cad | 2998 | |
b3c0dbfd MR |
2999 | *** Deleting the selected window now selects the most recently selected |
3000 | live window on that frame instead. | |
dfdb4cad | 3001 | |
c4682d18 MR |
3002 | *** `adjust-window-trailing-edge' adjustments. |
3003 | `adjust-window-trailing-edge' can now deal with fixed-size windows and | |
3004 | is able to resize other windows if a window adjacent to the trailing | |
3005 | edge cannot be shrunk any more. This makes its behavior more similar to | |
3006 | that of Emacs 21 without compromising, however, its inability to delete | |
3007 | windows which was introduced in Emacs 22. | |
dfdb4cad | 3008 | |
c4682d18 MR |
3009 | *** Window-local buffer lists. |
3010 | Windows now have local buffer lists. This means that removing a buffer | |
3011 | from display in a window will preferably show the buffer previously | |
3012 | shown in that window with its previous window-start and window-point | |
3013 | positions. This also means that the same buffer may be automatically | |
3014 | shown twice even if it already appears in another window. | |
dfdb4cad | 3015 | |
bee0fcef CY |
3016 | *** `switch-to-buffer' has a new optional argument FORCE-SAME-WINDOW, |
3017 | which if non-nil requires the buffer to be displayed in the currently | |
3018 | selected window, signaling an error otherwise. If nil, another window | |
3019 | can be used, e.g. if the selected one is strongly dedicated. | |
dfdb4cad | 3020 | |
0a2132ba | 3021 | *** `split-window-vertically' and `split-window-horizontally' renamed |
2d197ffb CY |
3022 | to `split-window-below' and `split-window-right' respectively. |
3023 | The old names are kept as aliases. | |
dfdb4cad | 3024 | |
0a2132ba CY |
3025 | *** Display actions |
3026 | ||
3027 | **** The second arg to `display-buffer' and `pop-to-buffer' is now | |
3028 | named ACTION, and takes a display action of the same form as | |
3029 | `display-buffer-base-action' (see Changes, above). A non-nil, | |
3030 | non-list value is treated specially, as the old meaning. | |
3031 | ||
3032 | **** New variable `display-buffer-overriding-action'. | |
3033 | ||
3034 | **** The procedure of `display-buffer' etc. to choose a window is | |
3035 | determined by combining `display-buffer-overriding-action', | |
3036 | `display-buffer-alist', the ACTION arg, `display-buffer-base-action', | |
3037 | and `display-buffer-fallback-action'. The second and fourth of these | |
3038 | are user-customizable variables. | |
3039 | ||
3040 | See the docstring of `display-buffer' for details. | |
bee0fcef | 3041 | |
20d2304d CY |
3042 | *** New functions `window-state-get' and `window-state-put'. |
3043 | These functions allow to save and restore the state of an arbitrary | |
3044 | frame or window as an Elisp object. | |
3045 | ||
a2a25d24 | 3046 | ** Completion |
041d709f | 3047 | |
7d301ae6 CY |
3048 | *** New variable `completion-extra-properties' used to specify extra |
3049 | properties of the current completion: | |
a2a25d24 SM |
3050 | - :annotate-function, same as the old completion-annotate-function. |
3051 | - :exit-function, function to call after completion took place. | |
3052 | ||
7d301ae6 CY |
3053 | *** Functions on `completion-at-point-functions' can return any of the |
3054 | properties valid for `completion-extra-properties'. | |
a2a25d24 | 3055 | |
7d301ae6 | 3056 | *** `completion-annotate-function' is obsolete. |
a2a25d24 | 3057 | |
620c53a6 SM |
3058 | *** New `metadata' method for completion tables. The metadata thus returned |
3059 | can specify various details of the data returned by `all-completions': | |
3060 | - `category' is the kind of objects returned (e.g., `buffer', `file', ...), | |
3061 | used to select a style in completion-category-overrides. | |
3062 | - `annotation-function' to add annotations in *Completions*. | |
3063 | - `display-sort-function' to specify how to sort entries in *Completions*. | |
3064 | - `cycle-sort-function' to specify how to sort entries when cycling. | |
3065 | ||
7d301ae6 CY |
3066 | *** `minibuffer-local-filename-must-match-map' is not used any more. |
3067 | Instead, the bindings in `minibuffer-local-filename-completion-map' | |
3068 | are combined with `minibuffer-local-must-match-map'. | |
de09aa52 CY |
3069 | |
3070 | *** New variable `completing-read-function' allows overriding the | |
3071 | behavior of `completing-read'. | |
3072 | ||
f042970d | 3073 | ** `glyphless-char-display' can now distinguish between graphical and |
16a43933 CY |
3074 | text terminal display, via a char-table entry that is a cons cell. |
3075 | ||
7d301ae6 | 3076 | ** `pre-command-hook'/`post-command-hook' are not reset to nil on error. |
f6d62986 SM |
3077 | Instead, the offending function is removed. |
3078 | ||
b1f6fa26 CY |
3079 | ** New hook types |
3080 | ||
3081 | *** New function `run-hook-wrapped' for running an abnormal hook by | |
3082 | passing the hook functions as arguments to a "wrapping" function. | |
e7bc51d0 | 3083 | Like `run-hook-with-args-until-success', it stops at the first |
5385447f | 3084 | non-nil return value. |
e7bc51d0 | 3085 | |
b1f6fa26 CY |
3086 | *** New macro `with-wrapper-hook' for running an abnormal hook as a |
3087 | set of "wrapping" filters, similar to around advice. | |
54521c99 GM |
3088 | (A version of this macro was actually added in Emacs 23.2 but was not |
3089 | advertised at the time.) | |
f6d62986 | 3090 | |
0b19b281 | 3091 | ** Debugger changes |
dfdb4cad | 3092 | |
0b19b281 | 3093 | *** New macro `condition-case-unless-debug' (this was actually added in |
1be3ca5a | 3094 | Emacs 23.1 as condition-case-no-debug, but not advertised) |
dfdb4cad | 3095 | |
0b19b281 | 3096 | *** The macro `with-demoted-errors' was added in Emacs 23.1, but not advertised. |
dfdb4cad | 3097 | |
0b19b281 | 3098 | *** Variable `stack-trace-on-error' removed. |
dfdb4cad | 3099 | |
0b19b281 CY |
3100 | *** The debugger can now "continue" from an error, which means it will |
3101 | jump to the error handler as if the debugger had not been invoked | |
3102 | instead of jumping all the way to the top-level. | |
dfdb4cad | 3103 | |
0b19b281 CY |
3104 | *** Set `debug-on-event' to enter the debugger on events like SIGUSR1. |
3105 | This can be useful when `inhibit-quit' is set. | |
d6b1d521 | 3106 | |
953cebf5 | 3107 | ** The new function `server-eval-at' allows evaluation of Lisp forms on |
37576acd | 3108 | named Emacs server instances. |
7deebf1b | 3109 | |
1b9f60cc GM |
3110 | ** `call-process' and `call-process-region' allow a `(:file "file")' spec |
3111 | to redirect STDOUT to a file. | |
7deebf1b | 3112 | |
7d301ae6 CY |
3113 | ** The function `format-time-string' now supports the %N directive, |
3114 | for higher-resolution time stamps. | |
da97a9e6 | 3115 | |
0b19b281 | 3116 | ** New input reading functions |
dfdb4cad | 3117 | |
0b19b281 CY |
3118 | *** New function `read-char-choice' reads a restricted set of |
3119 | characters, discarding any inputs not inside the set. | |
dfdb4cad | 3120 | |
0b19b281 CY |
3121 | *** The command `read-color' now requires a match for a color name |
3122 | or RGB triplet, instead of signaling an error if the user provides | |
3123 | invalid input. | |
dfdb4cad | 3124 | |
0b19b281 | 3125 | **** `facemenu-read-color' is now an alias for `read-color'. |
3ef01959 | 3126 | |
2e288d54 JB |
3127 | ** `image-library-alist' is renamed to `dynamic-library-alist'. |
3128 | The variable is now used to load all kind of supported dynamic libraries, | |
3129 | not just image libraries. The previous name is still available as an | |
3130 | obsolete alias. | |
3131 | ||
0b19b281 | 3132 | ** Syntax parsing changes |
dfdb4cad | 3133 | |
0b19b281 | 3134 | *** New variable `syntax-propertize-function'. |
04e2ce72 | 3135 | This replaces `font-lock-syntactic-keywords' which is now obsolete. |
cf38dd42 SM |
3136 | This allows syntax-table properties to be set independently from font-lock: |
3137 | just call syntax-propertize to make sure the text is propertized. | |
3138 | Together with this new variable come a new hook | |
3139 | syntax-propertize-extend-region-functions, as well as two helper functions: | |
3140 | syntax-propertize-via-font-lock to reuse old font-lock-syntactic-keywords | |
3141 | as-is; and syntax-propertize-rules which provides a new way to specify | |
3142 | syntactic rules. | |
dfdb4cad | 3143 | |
0b19b281 | 3144 | *** Syntax tables support a new "comment style c" additionally to style b. |
a2e5caf7 | 3145 | |
7d301ae6 | 3146 | ** New hook `post-self-insert-hook', run after `self-insert-command'. |
041d709f | 3147 | |
4e2db1fe | 3148 | ** frame-local variables cannot be let-bound any more. |
041d709f | 3149 | |
15de15c6 | 3150 | ** Major and minor mode changes |
dfdb4cad | 3151 | |
0b19b281 CY |
3152 | *** `set-auto-mode' now respects mode: local variables at the end of files, |
3153 | as well as those in the -*- line. | |
dfdb4cad | 3154 | |
15de15c6 CY |
3155 | *** `prog-mode' is a new major mode from which programming modes |
3156 | should be derived. | |
dfdb4cad | 3157 | |
15de15c6 CY |
3158 | **** `prog-mode-hook' can be used to enable features for programming |
3159 | modes, e.g. (add-hook 'prog-mode-hook 'flyspell-prog-mode) to enable | |
3160 | on-the-fly spell checking for comments and strings. | |
dfdb4cad | 3161 | |
14dd22d2 JB |
3162 | **** New minor modes `prettify-symbols-mode' and |
3163 | `global-prettify-symbols-mode' let the user enable symbol | |
3164 | prettification (replacing a string like "lambda" with the Greek lambda | |
3165 | character). | |
398b4366 | 3166 | |
15de15c6 CY |
3167 | *** New hook `change-major-mode-after-body-hook', run by |
3168 | `run-mode-hooks' just before any other mode hooks. | |
dfdb4cad | 3169 | |
7a9a2fc6 GM |
3170 | *** Enabled globalized minor modes can be disabled in specific major modes. |
3171 | If the global mode is global-FOO-mode, then run (FOO-mode -1) in the | |
3172 | major mode's hook, where FOO-mode toggles the mode on a per-buffer basis. | |
dfdb4cad | 3173 | |
feb8a83a | 3174 | *** `define-minor-mode' accepts new keywords :variable, :after-hook. |
f44379e7 | 3175 | |
7d301ae6 CY |
3176 | ** File-handling changes |
3177 | ||
7d301ae6 | 3178 | *** `delete-file' and `delete-directory' now accept optional arg TRASH. |
f1a5d776 CY |
3179 | Trashing is performed if TRASH and `delete-by-moving-to-trash' are |
3180 | both non-nil. Interactively, TRASH defaults to t, unless a prefix | |
3181 | argument is supplied (see Trash changes, above). | |
53967e09 | 3182 | |
7d301ae6 | 3183 | *** New file predicates: `file-equal-p', `file-in-directory-p'. |
ec70a47d | 3184 | |
4039c786 CY |
3185 | ** Tool-bars can display separators. |
3186 | Tool-bar separators are handled like menu separators in menu-bar maps, | |
94975270 | 3187 | i.e. via menu entries of the form `(menu-item "--")'. |
9317e499 | 3188 | |
00fe2df1 JL |
3189 | ** Image API |
3190 | ||
18af70d0 CY |
3191 | *** Animated images support (currently animated gifs only). |
3192 | ||
3193 | **** `image-animated-p' returns non-nil if an image can be animated. | |
3194 | ||
3195 | **** `image-animate' animates a supplied image spec. | |
3196 | ||
3197 | **** `image-animate-timer' returns the timer object for an image that | |
3198 | is being animated. | |
00fe2df1 | 3199 | |
7cb76fe0 GM |
3200 | *** `image-extension-data' has been renamed to `image-metadata'. |
3201 | The old name is an obsolete alias to the new one. | |
1546c559 | 3202 | |
b4ac6e8c GM |
3203 | *** Image mode can view any image type that ImageMagick supports. |
3204 | This requires Emacs to be built with ImageMagick support. | |
7d301ae6 CY |
3205 | |
3206 | **** New function `imagemagick-types', defined if ImageMagick support | |
3207 | is enabled, returns a list of image file extensions that your | |
3208 | ImageMagick installation supports. | |
3209 | ||
3210 | **** New function `imagemagick-register-types' enables ImageMagick | |
3211 | image types in Image mode and in `create-image' and other helper | |
3212 | functions. | |
3213 | ||
3214 | **** New option `imagemagick-types-inhibit' excludes certain | |
3215 | ImageMagick image types from `imagemagick-register-types'. | |
3216 | ||
7d301ae6 CY |
3217 | **** With ImageMagick support, there are extra Image mode commands to |
3218 | resize and rotate images: `image-transform-fit-to-height', | |
3219 | `image-transform-fit-to-width', `image-transform-set-rotation', and | |
3220 | `image-transform-set-scale'. | |
041d709f | 3221 | |
7d301ae6 CY |
3222 | ** `compose-mail' now accepts an optional 8th arg, RETURN-ACTION, and |
3223 | passes it to the mail user agent function. This argument specifies an | |
3224 | action for returning to the caller after finishing with the mail. For | |
3225 | example, this is used by Rmail to optionally delete a mail window. | |
b4ac6e8c | 3226 | |
71c17aec | 3227 | ** XML and HTML parsing |
483ab230 CY |
3228 | If Emacs is compiled with libxml2 support, there are two new |
3229 | functions: `libxml-parse-html-region' (which parses "real world" HTML) | |
3230 | and `libxml-parse-xml-region' (which parses XML). Both return an | |
3231 | Emacs Lisp parse tree. | |
4b9832a6 | 3232 | |
7d301ae6 | 3233 | ** Networking and encryption changes |
e2574f2c | 3234 | |
7d301ae6 CY |
3235 | *** `open-network-stream' can now be used to open an encrypted stream. |
3236 | It now accepts an optional `:type' parameter for initiating a TLS | |
3237 | connection, directly or via STARTTLS. To do STARTTLS, additional | |
3238 | parameters (`:end-of-command', `:success', `:capabilities-command') | |
3239 | must also be supplied. | |
3240 | ||
3241 | *** New library gnutls.el. | |
dfdb4cad CY |
3242 | The new function `gnutls-available-p' returns non-nil if Emacs is |
3243 | built with GnuTLS support. The main entry points are | |
3244 | `open-gnutls-stream' and `gnutls-negotiate'. It's easiest to use | |
3245 | these functions through `open-network-stream', because that can | |
7d301ae6 CY |
3246 | upgrade connections through STARTTLS opportunistically or use plain |
3247 | SSL, depending on your needs. For debugging, set `gnutls-log-level' | |
3248 | greater than 0. | |
3249 | ||
7d301ae6 CY |
3250 | *** New primitive `secure-hash' that supports many secure hash algorithms: |
3251 | md5, sha1, sha2, sha224, sha256, sha384, and sha512. The lisp library | |
3252 | sha1.el has been removed. The `sha1' feature is provided by default. | |
71c17aec | 3253 | |
a6020335 MH |
3254 | ** Isearch |
3255 | ||
3256 | *** New hook `isearch-update-post-hook' that runs in `isearch-update'. | |
3257 | ||
9326ba26 CY |
3258 | ** Progress reporters can now "spin". |
3259 | The MIN-VALUE and MAX-VALUE arguments of `make-progress-reporter' can | |
3260 | now be nil, or omitted. This makes a "non-numeric" reporter. Each | |
3261 | time you call `progress-reporter-update' on that progress reporter, | |
3262 | with a nil or omitted VALUE argument, the reporter message is | |
3263 | displayed with a "spinning bar". | |
3264 | ||
3e214b50 JB |
3265 | ** New variable `revert-buffer-in-progress-p' is true while a buffer is |
3266 | being reverted, even if the buffer has a local `revert-buffer-function'. | |
3267 | ||
001bf877 GM |
3268 | ** New variables `delayed-warnings-list' and `delayed-warnings-hook'. |
3269 | If delayed-warnings-list is non-nil, the command loop calls | |
7d301ae6 CY |
3270 | `delayed-warnings-hook' after `post-command-hook'. At present, this |
3271 | is only used by Emacs on some platforms to display warnings during | |
3272 | startup, which might otherwise not be noticed. This uses the | |
3273 | functions `display-delayed-warnings' and `collapse-delayed-warnings'. | |
001bf877 | 3274 | |
6420d28b CY |
3275 | ** rx.el has a new `group-n' construct for explicitly numbered groups. |
3276 | ||
dac86404 GM |
3277 | ** New function `make-composed-keymap' that constructs a new keymap |
3278 | from multiple input maps. You can use this to make a keymap that | |
3279 | inherits from multiple maps, eg: | |
3280 | (set-keymap-parent newmap (make-composed-keymap othermap parent)) | |
43dc9f5b | 3281 | |
c8f6ec5c GM |
3282 | ** New function `string-prefix-p'. |
3283 | (This was actually added in Emacs 23.2 but was not advertised at the time.) | |
3284 | ||
27f7ef2f | 3285 | ** New reader macro ## that stands for the empty symbol. |
43dc9f5b AS |
3286 | This means that the empty symbol can now be read back. Also, #: by itself |
3287 | (when not immediately followed by a possible symbol character) stands for | |
3288 | an empty uninterned symbol. | |
041d709f | 3289 | |
fead402d CY |
3290 | ** New math functions `isnan', `copysign', `frexp', `ldexp'. |
3291 | ||
7d301ae6 | 3292 | ** The following functions and variables are obsolete: |
041d709f | 3293 | |
05f77e38 GM |
3294 | *** `tooltip-use-echo-area' is obsolete. |
3295 | Rather than setting this to t, disable Tooltip mode instead. | |
3296 | ||
041d709f CY |
3297 | *** buffer-substring-filters is obsolete. |
3298 | Use `filter-buffer-substring-functions' instead. | |
3299 | ||
3300 | *** `byte-compile-disable-print-circle' is obsolete. | |
3301 | ||
3302 | *** `deferred-action-list' and `deferred-action-function' are obsolete. | |
f160676e GM |
3303 | Use `post-command-hook' instead. |
3304 | ||
67e729a5 CY |
3305 | *** `font-lock-maximum-size' is obsolete. |
3306 | ||
eb199145 | 3307 | \f |
93e0bed6 | 3308 | * Changes in Emacs 24.1 on Non-Free Operating Systems |
d53a60a6 | 3309 | |
7a22e700 | 3310 | ** On MS Windows, Emacs warns when using the obsolete init file _emacs, |
a2f0118c GM |
3311 | and also when HOME is set to C:\ by default. |
3312 | ||
7a22e700 | 3313 | ** New configure.bat options |
04779484 | 3314 | |
7a22e700 | 3315 | *** --enable-checking builds Emacs with extra runtime checks. |
e3aef5c6 | 3316 | |
7a22e700 | 3317 | *** --distfiles specifies files to be included in binary distribution. |
e2574f2c | 3318 | |
7a22e700 OK |
3319 | *** --without-gnutls disables automatic GnuTLS detection. |
3320 | ||
a0d363f4 | 3321 | *** --lib for general library linkage, works with the USER_LIBS build variable. |
e2574f2c | 3322 | |
0a19a6f8 | 3323 | ** New make target `dist' to create binary distribution for MS Windows. |
e3aef5c6 | 3324 | |
1f5e1a16 GM |
3325 | ** The Lisp function `w32-default-color-map' is now obsolete. |
3326 | (It is only used internally in the Emacs C code.) | |
5430d399 | 3327 | |
1f5e1a16 GM |
3328 | ** Customize ns-auto-hide-menu-bar to have the menu-bar hidden, but |
3329 | reappear on mouse-over. (Requires OS X 10.6 or later.) | |
04e2ce72 | 3330 | |
ad7c802c CY |
3331 | ** On Mac OS X, dragging a file into Emacs visits the file, like on |
3332 | other platforms, rather than inserting its contents into the buffer. | |
3333 | ||
05197f40 | 3334 | \f |
a933dad1 | 3335 | ---------------------------------------------------------------------- |
5b87ad55 | 3336 | This file is part of GNU Emacs. |
a933dad1 | 3337 | |
ab73e885 | 3338 | GNU Emacs is free software: you can redistribute it and/or modify |
5b87ad55 | 3339 | it under the terms of the GNU General Public License as published by |
ab73e885 GM |
3340 | the Free Software Foundation, either version 3 of the License, or |
3341 | (at your option) any later version. | |
5b87ad55 GM |
3342 | |
3343 | GNU Emacs is distributed in the hope that it will be useful, | |
3344 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
3345 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
3346 | GNU General Public License for more details. | |
a933dad1 | 3347 | |
5b87ad55 | 3348 | You should have received a copy of the GNU General Public License |
ab73e885 | 3349 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
a933dad1 | 3350 | |
05197f40 | 3351 | \f |
a933dad1 DL |
3352 | Local variables: |
3353 | mode: outline | |
3354 | paragraph-separate: "[ \f]*$" | |
3355 | end: |