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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 | |
70c8f5ca | 26 | ** Emacs can now 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 | |
70c8f5ca | 31 | ** Emacs can now 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 | |
70c8f5ca CY |
37 | ** The configure option `--without-compress-info' has been generalized, |
38 | and renamed to `--without-compress-install'. It now prevents compression | |
335142f9 GM |
39 | of _any_ files during installation. |
40 | ||
70c8f5ca | 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 | ||
70c8f5ca CY |
48 | ** Emacs can be compiled with zlib support. |
49 | If this library is present (which it normally is on most systems), the | |
50 | function `zlib-decompress-region' becomes available, which can | |
51 | decompress gzip- 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 | 64 | |
17e0445b GM |
65 | +++ |
66 | ** When initializing `load-path', an empty element in the EMACSLOADPATH | |
67 | environment variable (either leading, e.g., ":/foo"; trailing, e.g., | |
68 | "/foo:"; or embedded, e.g., "/foo::/bar") is replaced with the default | |
69 | load-path (the one that would have been used if EMACSLOADPATH was unset). | |
70 | This makes it easier to _extend_ the load-path via EMACSLOADPATH | |
71 | (previously, EMACSLOADPATH had to specify the complete load-path, | |
72 | including the defaults). (In older versions of Emacs, an empty element | |
73 | was replaced by ".", so use an explicit "." now if that is what you want.) | |
74 | ||
a0833f62 GM |
75 | +++ |
76 | ** The -L option, which normally prepends its argument to load-path, | |
2df10228 GM |
77 | will instead append, if the argument begins with `:' (or `;' on MS Windows; |
78 | i.e., `path-separator'). | |
a0833f62 | 79 | |
06a4f110 GM |
80 | +++ |
81 | ** If you use either site-load.el or site-init.el to customize the dumped | |
82 | Emacs executable, any changes to `load-path' that these files make | |
83 | will no longer be present after dumping. To affect a permanent change | |
84 | to `load-path', use the `--enable-locallisppath' option of `configure'. | |
85 | ||
70c8f5ca CY |
86 | +++ |
87 | ** The user option `initial-buffer-choice' can now specify a function | |
88 | to set up the initial buffer. | |
89 | ||
c57b2d76 | 90 | \f |
95a32efb | 91 | * Changes in Emacs 24.4 |
c6c08d3f | 92 | |
d8a2993d TZ |
93 | +++ |
94 | ** New option `gnutls-verify-error', if non-nil, means that Emacs | |
95 | should reject SSL/TLS certificates that GnuTLS determines as invalid. | |
96 | (This option defaults to nil at present, but this is expected to change | |
97 | in a future release.) | |
98 | ||
0a12fca0 EZ |
99 | +++ |
100 | ** Emacs now supports menus on text-mode terminals. | |
101 | If the terminal supports a mouse, clicking on the menu bar, or on | |
102 | sensitive portions of the mode line or header line, will drop down the | |
103 | menu defined at that position. Likewise, clicking C-mouse-2 or | |
104 | C-mouse-2 or C-mouse-3 on the text area will pop up the menus defined | |
105 | for those locations. | |
106 | ||
107 | If the text terminal does not support a mouse, you can activate the | |
108 | first menu-bar menu by typing F10, which invokes `menu-bar-open'. | |
109 | ||
110 | If you want the previous behavior, whereby F10 invoked `tmm-menubar', | |
111 | customize the option `tty-menu-open-use-tmm' to a non-nil value. | |
112 | (Typing M-` will always invoke `tmm-menubar', even if | |
113 | `tty-menu-open-use-tmm' is nil.) | |
114 | ||
a34a0ac8 | 115 | +++ |
70c8f5ca CY |
116 | ** The *Messages* buffer is created in `messages-buffer-mode', |
117 | a new major mode, with read-only status. Any code that might create | |
118 | the *Messages* buffer should call the function `messages-buffer' to do | |
119 | so and set up the mode. | |
61a5bb85 | 120 | |
70c8f5ca | 121 | ** Emacs now supports ACLs (access control lists). |
7c3d167f RF |
122 | +++ |
123 | *** Emacs preserves the ACL entries of files when backing up. | |
124 | +++ | |
125 | *** New functions `file-acl' and `set-file-acl' get and set the ACL | |
66447e07 EZ |
126 | entries of a file. On GNU/Linux, the POSIX ACL interface is used via |
127 | libacl. On MS-Windows, the NT Security APIs are used to emulate the | |
128 | POSIX ACL interfaces. | |
7c3d167f | 129 | |
4e3f9230 YM |
130 | ** Multi-monitor support has been added. |
131 | ||
132 | *** New functions `display-monitor-attributes-list' and | |
133 | `frame-monitor-attributes' can be used to obtain information about | |
134 | each physical monitor on multi-monitor setups. | |
135 | ||
cf13177e YM |
136 | *** The functions `display-pixel-width' and `display-pixel-height' now |
137 | behave consistently among the platforms: they return the pixel width | |
138 | or height for all physical monitors associated with the given display | |
139 | as just they were on X11. To get information for each physical | |
140 | monitor, use the new functions above. Similar notes also apply to | |
141 | `x-display-pixel-width', `x-display-pixel-height', `display-mm-width', | |
142 | `display-mm-height', `x-display-mm-width', and `x-display-mm-height'. | |
143 | ||
70c8f5ca CY |
144 | +++ |
145 | ** The cursor stops blinking after 10 blinks (by default) on X and NS. | |
146 | You can change the default by customizing `blink-cursor-blinks'. | |
61e56e2c | 147 | |
70c8f5ca CY |
148 | +++ |
149 | ** In keymaps where SPC scrolls forward, S-SPC now scrolls backward. | |
150 | This affects View mode, etc. | |
151 | ||
152 | ** Help changes | |
f88ac3bb | 153 | |
98104aea | 154 | +++ |
70c8f5ca CY |
155 | *** The command `apropos-variable' is renamed to `apropos-user-option'. |
156 | `apropos-user-option' shows all user options while `apropos-variable' | |
157 | shows all variables. When called with a universal prefix argument, | |
158 | the two commands swap their behaviors. When `apropos-do-all' is | |
159 | non-nil, they output the same results. | |
18c26d81 | 160 | |
70c8f5ca CY |
161 | +++ |
162 | *** The key `?' now describes prefix bindings, like `C-h'. | |
6585d561 | 163 | |
70c8f5ca | 164 | *** The command `quail-help' is deleted. Use `C-h C-\' |
6950f152 KH |
165 | (`describe-input-method') instead. |
166 | ||
70c8f5ca | 167 | ** Frame and window changes |
da9ea6d9 | 168 | |
70c8f5ca CY |
169 | +++ |
170 | *** New commands `toggle-frame-fullscreen' and `toggle-frame-maximized', | |
171 | bound to <f11> and M-<f10>, respectively. | |
0a749fa0 | 172 | |
70c8f5ca CY |
173 | *** New command `frameset-to-register' is now bound to `C-x r f', replacing |
174 | `frame-configuration-to-register'. It offers similar functionality, | |
175 | plus enhancements like the ability to restore deleted frames. The | |
176 | command `frame-configuration-to-register' still exists, but is unbound. | |
0a749fa0 | 177 | |
dc20a9d2 | 178 | +++ |
70c8f5ca CY |
179 | *** New hooks `focus-in-hook', `focus-out-hook'. |
180 | These are normal hooks run when an Emacs frame gains or loses input focus. | |
181 | ||
182 | --- | |
183 | *** `split-window' is now a non-interactive function, not a command. | |
184 | As a command, it was a special case of `C-x 2' (`split-window-below'), | |
185 | and as such superfluous. After being reimplemented in Lisp, its | |
186 | interactive form was mistakenly retained. | |
4f0552c2 | 187 | |
daef8ab1 | 188 | +++ |
70c8f5ca CY |
189 | *** New option `scroll-bar-adjust-thumb-portion'. |
190 | Available only on X, this option allows to control over-scrolling | |
191 | using the scroll bar (i.e. dragging the thumb down even when the end | |
192 | of the buffer is visible). | |
193 | ||
194 | ** Lisp evaluation changes | |
75a1e034 | 195 | +++ |
70c8f5ca CY |
196 | *** `eval-defun' on an already defined defcustom calls the :set function, |
197 | if there is one. | |
198 | ||
199 | *** A zero prefix arg of `eval-last-sexp' (`C-x C-e'), | |
200 | `eval-expression' (`M-:') and `eval-print-last-sexp' (`C-j') inserts | |
201 | a list with no limit on its length and level (by using nil values of | |
202 | `print-length' and `print-level'), and inserts additional formats for | |
203 | integers (octal, hexadecimal, and character). | |
204 | ||
205 | --- | |
206 | ** `write-region-inhibit-fsync' now defaults to t in batch mode. | |
da048127 | 207 | |
2cd12d28 | 208 | +++ |
70c8f5ca CY |
209 | ** `cache-long-line-scans' has been renamed to `cache-long-scans' |
210 | because it affects caching of paragraph scanning results as well. | |
4e36a6a6 | 211 | |
70c8f5ca CY |
212 | --- |
213 | ** The option `set-mark-default-inactive' has been deleted. | |
214 | This unfinished feature was introduced by accident in Emacs 23.1; | |
215 | simply disabling Transient Mark mode does the same thing. | |
216 | ||
217 | ** The default value of `comment-use-global-state' is changed to t, | |
218 | and this variable has been marked obsolete. | |
219 | ||
642d7ae8 CY |
220 | ** New user options: |
221 | ||
222 | *** `read-regexp-defaults-function' defines a function to read regexps, | |
223 | used by commands like `rgrep', `lgrep' `occur', `highlight-regexp', | |
224 | etc. You can customize this to specify a function that provides a | |
225 | default value from the regexp last history element, or from the symbol | |
226 | found at point. | |
227 | ||
228 | *** `load-prefer-newer', affects how the `load' function chooses the | |
229 | file to load. If this is non-nil, then when both .el and .elc | |
230 | versions of a file exist, and the caller did not explicitly specify | |
231 | which one to load, then the newer file is loaded. The default, nil, | |
232 | means to always load the .elc file. | |
233 | ||
70c8f5ca CY |
234 | \f |
235 | * Editing Changes in Emacs 24.4 | |
236 | ||
237 | ** Indentation changes | |
238 | ||
239 | +++ | |
240 | *** The behavior of `C-x TAB' (`indent-rigidly') has changed. | |
241 | When invoked without a prefix argument, it now activates a transient | |
242 | mode in which typing <left>, <right>, <S-left>, and <S-right> adjusts | |
243 | the text indentation in the region. Typing any other key resumes | |
244 | normal editing behavior. | |
3472b6c6 | 245 | |
70c8f5ca | 246 | *** `electric-indent-mode' is enabled by default. |
b7d5bd82 | 247 | |
70c8f5ca | 248 | *** `tab-stop-list' is now implicitly extended to infinity by repeating |
3ccc2d28 XF |
249 | the last step. Its default value is changed to nil which means a tab |
250 | stop every `tab-width' columns. | |
b7d5bd82 | 251 | |
70c8f5ca | 252 | ** Filling changes |
0aa3616e | 253 | |
70c8f5ca CY |
254 | *** New command `cycle-spacing' cycles between spacing conventions: |
255 | having just one space, no spaces, or reverting to the original | |
256 | spacing. Like `just-one-space', it can handle or ignore newlines and | |
257 | leave different number of spaces. | |
258 | ||
259 | *** `fill-single-char-nobreak-p' prevents fill from breaking a line after | |
260 | a 1-letter word, which is an error according to Polish and | |
261 | Czech typography rules. To globally enable this feature, evaluate: | |
262 | ||
263 | (add-hook 'fill-nobreak-predicate 'fill-single-char-nobreak-p) | |
37f38bca | 264 | |
30aafaf5 | 265 | +++ |
70c8f5ca CY |
266 | ** Uniquify is enabled by default with `post-forward-angle-brackets' style. |
267 | ||
268 | ** New command `C-x SPC' (`rectangle-mark-mode') makes a rectangular region. | |
269 | Most commands are still unaware of it, but kill/yank do work on the rectangle. | |
958614cf | 270 | |
4c672a0f EZ |
271 | +++ |
272 | ** New option `visual-order-cursor-movement'. | |
273 | If this is non-nil, cursor motion with arrow keys will follow the | |
274 | visual order of characters on the screen: <left> always moves to the | |
275 | left, <right> always moves to the right, disregarding the surrounding | |
276 | bidirectional context. | |
277 | ||
70c8f5ca | 278 | ** Register changes |
c8af480d | 279 | |
70c8f5ca | 280 | *** All register commands can now show help with preview. |
0b1619da | 281 | |
ced5cc29 XF |
282 | +++ |
283 | *** New command `C-x C-k x' (`kmacro-to-register') stores keyboard | |
284 | macros in registers. | |
ac2f8659 | 285 | |
70c8f5ca CY |
286 | *** New command `C-x r f' (`frameset-to-register'). |
287 | See Changes in Emacs 24.4, above. | |
288 | ||
289 | ** New command `delete-duplicate-lines'. | |
290 | When its arg ADJACENT is non-nil (when called interactively with C-u | |
291 | C-u) it works like the utility `uniq'. Otherwise by default it | |
292 | deletes duplicate lines everywhere in the region without regard to | |
293 | adjacency. When its arg KEEP-BLANKS is non-nil (when called | |
294 | interactively with C-u C-u C-u), duplicate blank lines are preserved. | |
ac2f8659 | 295 | |
4f0552c2 | 296 | \f |
95a32efb | 297 | * Changes in Specialized Modes and Packages in Emacs 24.4 |
4f0552c2 | 298 | |
fba1763d | 299 | ** More packages look for ~/.emacs.d/<foo> additionally to ~/.<foo>. |
940e5099 SM |
300 | Affected files: |
301 | ~/.emacs.d/timelog replaces ~/.timelog | |
940e5099 SM |
302 | ~/.emacs.d/vip replaces ~/.vip |
303 | ~/.emacs.d/viper replaces ~/.viper | |
304 | ~/.emacs.d/ido.last replaces ~/.ido.last | |
305 | ~/.emacs.d/kkcrc replaces ~/.kkcrc | |
306 | ~/.emacs.d/quickurls replaces ~/.quickurls | |
307 | ~/.emacs.d/idlwave replaces ~/.idlwave | |
308 | ~/.emacs.d/bdfcache.el replaces ~/.bdfcache.el | |
309 | ~/.emacs.d/places replaces ~/.emacs-places | |
310 | ~/.emacs.d/shadows replaces ~/.shadows | |
311 | ~/.emacs.d/shadow_todo replaces ~/.shadow_todo | |
312 | ~/.emacs.d/strokes replaces ~/.strokes | |
313 | ~/.emacs.d/notes replaces ~/.notes | |
314 | ~/.emacs.d/type-break replaces ~/.type-break | |
d29bf51c SB |
315 | Also the following files used by the now obsolete otodo-mode.el: |
316 | ~/.emacs.d/todo-do replaces ~/.todo-do | |
317 | ~/.emacs.d/todo-done replaces ~/.todo-done | |
318 | ~/.emacs.d/todo-top replaces ~/.todo-top | |
319 | ||
70c8f5ca | 320 | ** Backtrace and debugger |
e56221d5 | 321 | |
70c8f5ca CY |
322 | *** The Lisp debugger's `e' command now includes the lexical environment |
323 | when evaluating the code in the context at point. Hence, it now lets | |
324 | you access lexical variables. | |
24da7273 | 325 | |
c9832cd8 XF |
326 | +++ |
327 | *** New command `v' (`debugger-toggle-locals') displays local vars. | |
b14abca9 | 328 | |
70c8f5ca CY |
329 | *** New minor mode `jit-lock-debug-mode' lets you use the debuggers on |
330 | code run via JIT Lock. | |
4b72c12b | 331 | |
19b748ad TM |
332 | ** Battery |
333 | ||
44b9b800 | 334 | --- |
19b748ad TM |
335 | *** Battery information via the BSD `apm' utility is now supported. |
336 | ||
96673afe JL |
337 | ** Buffer Menu |
338 | ||
339 | *** `M-s a C-o' shows lines matching a regexp in marked buffers using Occur. | |
340 | ||
fd3a9a6b GM |
341 | ** Calendar and Diary |
342 | ||
8d3c54a0 | 343 | --- |
70c8f5ca CY |
344 | *** New faces `calendar-weekday-header', `calendar-weekend-header', |
345 | and `calendar-month-header'. | |
3b5c03d3 GM |
346 | |
347 | *** New option `calendar-day-header-array'. | |
348 | ||
fd3a9a6b | 349 | +++ |
f8780a05 | 350 | *** New variable `diary-from-outlook-function', used by the command |
fd3a9a6b GM |
351 | `diary-from-outlook'. |
352 | ||
70c8f5ca | 353 | *** The variable `calendar-font-lock-keywords' is obsolete. |
ba30c70f | 354 | |
0e70ce93 PE |
355 | ** Calc |
356 | ||
357 | *** Calc by default now uses the Gregorian calendar for all dates, and | |
358 | uses January 1, 1 AD as its day number 1. Previously Calc used the | |
359 | Julian calendar for dates before September 14, 1752, and it used | |
360 | December 31, 1 BC as its day number 1; the new scheme is more | |
361 | consistent with Calendar's calendrical system and day numbering. | |
362 | ||
363 | *** The new variable `calc-gregorian-switch' lets you configure the | |
364 | date when Calc switches from the Julian to the Gregorian calendar. | |
365 | Nil, the default value, means to always use the Gregorian calendar. | |
366 | The value (YEAR MONTH DAY) means to start using the Gregorian calendar | |
367 | on the given date. | |
368 | ||
86e100a6 GM |
369 | *** Support for ISO 8601 dates. |
370 | ||
70c8f5ca CY |
371 | ** CEDET |
372 | ||
373 | *** EDE | |
374 | ||
375 | **** The cpp-root project now supports executing a compile command. | |
376 | It can be set through the new :compile-command slot or the | |
377 | buffer-local variable `compile-command'. | |
378 | ||
379 | **** Better selection of include directories for the 'linux' project. | |
380 | Include directories now support out-of-tree build directories and | |
381 | target architecture auto-detection. | |
382 | ||
383 | *** Semantic | |
384 | ||
385 | **** Improved detection of used namespaces in current scope in C++. | |
386 | ||
387 | **** Parsing of default values for variables and function arguments in C/C++. | |
388 | They are also displayed by the summarize feature in the modeline. | |
389 | ||
390 | **** Improved parsing of function pointers in C/C++. | |
391 | This also includes parsing of function pointers as function arguments. | |
392 | ||
393 | **** Parsing of C/C++ preprocessor macros which open new scope. | |
394 | For example, this enables parsing of macros which open new namespaces. | |
395 | ||
396 | **** Support for 'this' pointer in inline member functions in C++. | |
397 | ||
398 | ** cl-lib | |
399 | ||
8d3c54a0 | 400 | *** New macro `cl-tagbody'. |
70c8f5ca CY |
401 | |
402 | +++ | |
403 | *** letf is now just an alias for cl-letf. | |
404 | ||
405 | ** CUA mode | |
406 | ||
642d7ae8 CY |
407 | *** CUA mode now uses `delete-selection-mode' and `shift-select-mode'. |
408 | Hence, you can now enable it independently from `transient-mark-mode', | |
409 | `delete-selection-mode', and `shift-select-mode'. | |
410 | ||
411 | *** `cua-highlight-region-shift-only' is now obsolete. | |
412 | You can disable `transient-mark-mode' to get the same result. | |
70c8f5ca CY |
413 | |
414 | *** CUA's rectangles can now be used via `cua-rectangle-mark-mode'. | |
415 | ||
d8a2993d TZ |
416 | ** CFEngine mode |
417 | ||
418 | *** Support for completion, ElDoc, and Flycheck has been added. | |
419 | ||
420 | *** The current CFEngine syntax is parsed from "cf-promises -s json". | |
421 | There is a fallback syntax available if you don't have cf-promises or | |
422 | if it doesn't support that option. | |
423 | ||
70c8f5ca CY |
424 | ** Delete Selection mode can now be used without `transient-mark-mode'. |
425 | ||
5db9dace JL |
426 | ** Desktop |
427 | ||
6c8e0ae6 JL |
428 | *** `desktop-auto-save-timeout' defines the number of seconds idle time |
429 | before auto-save of the desktop. | |
5db9dace | 430 | |
b958c0ad | 431 | *** `desktop-restore-frames', enabled by default, allows saving and |
6585d561 | 432 | restoring the frame/window configuration (frameset). Additional options |
36bec1b6 | 433 | `desktop-restore-in-current-display', `desktop-restore-reuses-frames' |
6585d561 | 434 | and `desktop-restore-forces-onscreen' offer further customization. |
39c0e36f | 435 | |
a2a538b1 CS |
436 | ** Dired |
437 | ||
438 | *** New minor mode `dired-hide-details-mode' hides details. | |
439 | ||
70c8f5ca | 440 | ** Eldoc Mode works properly in the minibuffer. |
21859ebc | 441 | |
ed02dcfa RS |
442 | ** EPA |
443 | ||
444 | *** New option `epa-mail-aliases'. | |
445 | ||
446 | You can set this to a list of alias expansions for keys to use | |
447 | in `epa-mail-encrypt'. | |
448 | ||
449 | If one element of the variable's value is ("foo@bar.com" "foo@hello.org"), | |
450 | that means: when one of the recipients of the message being encrypted | |
451 | is `foo@bar.com', encrypt the message for `foo@hello.org' instead. | |
452 | ||
453 | If one element of the variable's value is ("foo@bar.com"), | |
454 | that means: when one of the recipients of the message being encrypted | |
455 | is `foo@bar.com', ignore that name as regards encryption. | |
456 | This is useful to avoid a query when you have no key for that name. | |
457 | ||
70c8f5ca CY |
458 | ** ERC |
459 | ||
460 | *** New option `erc-accidental-paste-threshold-seconds'. | |
461 | If set to a number, this can be used to avoid accidentally paste large | |
462 | amounts of data into the ERC input. | |
463 | ||
464 | +++ | |
465 | ** ERT | |
466 | ||
467 | *** New macro `skip-unless' allows skipping ERT tests. | |
468 | See the ERT manual for details. | |
469 | ||
470 | ** Eshell | |
471 | ||
472 | +++ | |
473 | *** `eshell' now supports visual subcommands and options | |
474 | Eshell has been able to handle "visual" commands (interactive, | |
475 | non-line oriented commands such as top that require display | |
476 | capabilities not provided by eshell) by running them in an Emacs | |
477 | terminal emulator. See `eshell-visual-commands'. | |
478 | ||
479 | This feature has been extended to subcommands and options that make a | |
480 | usually line-oriented command a visual command. Typical examples are | |
481 | "git log" and "git <command> --help" which display their output in a | |
482 | pager by default. See `eshell-visual-subcommands' and | |
483 | `eshell-visual-options'. | |
484 | ||
485 | --- | |
486 | *** Added Eshell-Tramp module | |
487 | External su and sudo commands are now the default; the internal, | |
488 | Tramp-using variants can still be used by enabling the eshell-tramp | |
489 | module. | |
490 | ||
491 | ** F90 mode | |
492 | --- | |
493 | *** New option `f90-smart-end-names'. | |
494 | ||
495 | ** Icomplete is a bit more like Ido. | |
8d3c54a0 | 496 | |
70c8f5ca | 497 | *** key bindings to navigate through and select the completions. |
8d3c54a0 | 498 | |
70c8f5ca | 499 | *** The icomplete-separator is customizable, and its default has changed. |
8d3c54a0 | 500 | |
70c8f5ca | 501 | *** Removed icomplete-show-key-bindings. |
8d3c54a0 | 502 | |
70c8f5ca CY |
503 | *** Icomplete-mode by defaults applies to all forms of minibuffer completion. |
504 | (setq icomplete-with-completion-tables '(internal-complete-buffer)) | |
505 | will revert to the old behavior. | |
506 | ||
507 | ** Ido | |
8d3c54a0 | 508 | |
70c8f5ca | 509 | *** Ido has a manual now. |
8d3c54a0 | 510 | |
70c8f5ca | 511 | *** `ido-use-virtual-buffers' takes a new value 'auto. |
8d3c54a0 | 512 | |
70c8f5ca CY |
513 | *** `ido-decorations' has been slightly extended to give a bit more control. |
514 | ||
515 | ** Image mode | |
516 | ||
8d3c54a0 | 517 | +++ |
70c8f5ca CY |
518 | *** New commands `n' (`image-next-file') and `p' (`image-previous-file') |
519 | visit the next image file and the previous image file in the same | |
520 | directory, respectively. | |
521 | ||
522 | *** New commands to show specific frames of multi-frame images. | |
523 | `f' (`image-next-frame') and `b' (`image-previous-frame') visit the | |
524 | next or previous frame. `F' (`image-goto-frame') shows a specific frame. | |
525 | ||
526 | *** New commands to speed up, slow down, or reverse animation. | |
527 | --- | |
528 | *** The command `image-mode-fit-frame' deletes other windows. | |
529 | When toggling, it restores the frame's previous window configuration. | |
530 | It also has an optional frame argument, which can be used by Lisp | |
531 | callers to fit the image to a frame other than the selected frame. | |
532 | ||
533 | ** Hi-Lock | |
534 | ||
535 | *** New option `hi-lock-auto-select-face'. When non-nil, hi-lock commands | |
536 | will cycle through faces in `hi-lock-face-defaults' without prompting. | |
537 | ||
538 | +++ | |
539 | *** New global command `M-s h .' (`highlight-symbol-at-point') | |
540 | highlights the symbol found near point without prompting, | |
541 | using the next face automatically. | |
542 | ||
543 | ** Imenu | |
544 | ||
545 | *** New option `imenu-generic-skip-comments-and-strings'. | |
546 | ||
547 | ** Info | |
548 | ||
549 | *** New face `info-index-match' is used to highlight matches in index | |
550 | entries displayed by `Info-index-next', `Info-virtual-index' and | |
551 | `info-apropos'. | |
552 | ||
553 | ** JS Mode | |
554 | ||
555 | *** Better indentation of multiple-variable declarations. | |
556 | If declaration spans several lines, variables on the following lines | |
557 | are lined up to the first one. | |
558 | ||
559 | *** We now recognize and better indent continuations in array | |
560 | comprehensions. | |
561 | ||
562 | *** New option `js-switch-indent-offset`. | |
563 | ||
564 | ** MH-E has been updated to MH-E version 8.5. | |
565 | See MH-E-NEWS for details. | |
566 | ||
567 | +++ | |
568 | ** Octave mode | |
569 | *** Font locking for texinfo comments and new keywords | |
570 | *** Completion in Octave file buffers | |
571 | *** Eldoc support | |
572 | *** Jump to definition | |
573 | *** Documentation lookup/search | |
574 | *** Code cleanup and various bug fixes | |
575 | ||
576 | ** OPascal mode is the new name for Delphi mode. | |
577 | ||
578 | *** All delphi-* variables and functions have been renamed to opascal-*. | |
579 | *** `delphi-newline-always-indents' is not supported any more. | |
580 | Use `electric-indent-mode' instead. | |
581 | *** `delphi-tab' is gone, replaced by `indent-for-tab-command'. | |
582 | ||
583 | ** Package | |
584 | ||
585 | *** The format of `archive-contents' files, generated by package | |
586 | repositories, has changed to allow a new (fifth) element in the data | |
587 | vectors, containing an associative list with extra properties. | |
588 | ||
589 | *** `describe-package' buffer uses the `:url' extra property to | |
590 | display a `Homepage' header, if it's present. | |
591 | ||
d8a2993d TZ |
592 | *** In the buffer produced by `describe-package', there are now buttons |
593 | listing the keywords related to that package. You can click on them | |
594 | to see other packages related to any given keyword. | |
595 | ||
596 | *** In the *Packages* buffer, `f' or the Package->Filter menu filters | |
597 | the packages by a keyword. | |
598 | ||
70c8f5ca | 599 | ** Prolog mode |
7cc8ae06 | 600 | |
70c8f5ca CY |
601 | *** `prolog-use-smie' has been removed, along with the non-SMIE |
602 | indentation code. | |
1db9ceee | 603 | |
70c8f5ca | 604 | ** Remember |
f2cbfd44 | 605 | |
70c8f5ca CY |
606 | *** The new command `remember-notes' creates a buffer which is saved |
607 | on `kill-emacs'. | |
3f0faa45 | 608 | |
70c8f5ca CY |
609 | You may think of it as a *scratch* buffer whose content is preserved. |
610 | In fact, it was designed as a replacement for *scratch* buffer and can | |
611 | be used that way by setting `initial-buffer-choice' to | |
612 | `remember-notes' and `remember-notes-buffer-name' to "*scratch*". | |
613 | Without the second change, *scratch* buffer will still be there for | |
614 | notes that do not need to be preserved. | |
20de6ab6 | 615 | |
70c8f5ca CY |
616 | *** The Remember package can now store notes in separates files. |
617 | You can use the new function `remember-store-in-files' within the | |
618 | `remember-handler-functions' option. | |
20de6ab6 | 619 | |
70c8f5ca CY |
620 | See `remember-data-directory' and `remember-directory-file-name-format' |
621 | for new options related to this function. | |
c0211c4e | 622 | |
70c8f5ca CY |
623 | ** Rmail |
624 | ||
625 | *** Customize `rmail-mbox-format' to influence some minor aspects of | |
626 | how Rmail displays non-MIME messages. | |
3a2ddc2d | 627 | |
2a43515a | 628 | --- |
70c8f5ca CY |
629 | *** The `unrmail' command now converts from BABYL to mboxrd format, |
630 | rather than mboxo. Customize `unrmail-mbox-format' to change this. | |
2a43515a | 631 | |
70c8f5ca | 632 | ** Ruby mode |
e38e6780 | 633 | |
70c8f5ca | 634 | *** New option `ruby-encoding-magic-comment-style'. |
e38e6780 | 635 | |
70c8f5ca | 636 | *** New option `ruby-custom-encoding-magic-comment-template'. |
e5e4a942 | 637 | |
70c8f5ca | 638 | *** New mode menu. |
e5e4a942 | 639 | |
70c8f5ca CY |
640 | *** Improved syntax highlighting and indentation. |
641 | ||
642 | *** Add more Ruby file types to `auto-mode-alist'. | |
643 | ||
644 | *** New option `ruby-align-to-stmt-keywords'. | |
e5e4a942 | 645 | |
6cddebc1 DG |
646 | *** New `electric-indent-mode' integration. |
647 | ||
d289938a | 648 | ** Search and Replace |
279f9b06 | 649 | |
07e9eaa2 | 650 | +++ |
e5e4a942 JL |
651 | *** New global command `M-s .' (`isearch-forward-symbol-at-point') |
652 | starts a symbol (identifier) incremental search forward with the | |
653 | symbol found near point added to the search string initially. | |
654 | ||
279f9b06 JL |
655 | *** `C-x 8 RET' in Isearch mode reads a character by its Unicode name |
656 | and adds it to the search string. | |
657 | ||
2db59b1d XF |
658 | *** `M-s i' in Isearch mode toggles the variable `isearch-invisible' |
659 | between nil and the value of the option `search-invisible' (or `open' | |
660 | when it's nil). | |
01dea85f | 661 | |
d289938a JL |
662 | *** `query-replace' skips invisible text when `search-invisible' is nil, |
663 | and opens overlays with hidden text when `search-invisible' is `open'. | |
664 | ||
57b837ab | 665 | +++ |
3ee4cd64 JL |
666 | *** A negative prefix arg of replacement commands replaces backward. |
667 | `M-- M-%' replaces a string backward, `M-- C-M-%' replaces a regexp | |
668 | backward, `M-s w words M-- M-%' replaces a sequence of words backward. | |
669 | ||
80fa505f AM |
670 | +++ |
671 | *** By default, prefix arguments do not now terminate Isearch mode. | |
672 | Set `isearch-allow-prefix' to nil to restore old behavior. | |
673 | ||
6e8cfc81 JL |
674 | *** More Isearch commands accept prefix arguments, namely |
675 | `isearch-printing-char', `isearch-quote-char', `isearch-yank-word', | |
676 | `isearch-yank-line'. | |
677 | ||
a22289f7 JL |
678 | *** Word search now matches whitespace at the beginning/end |
679 | of the search string if it contains leading/trailing whitespace. | |
680 | In an incremental word search or when using a non-nil LAX argument | |
681 | of `word-search-regexp', the lax matching can also match part of | |
682 | the first word (in addition to the lax matching of the last word). | |
683 | The same rules are now applied to the symbol search with the difference | |
684 | that it matches symbols, and non-symbol characters between symbols. | |
685 | ||
70c8f5ca CY |
686 | +++ |
687 | ** SES | |
6827cac1 | 688 | |
70c8f5ca | 689 | *** New command `ses-rename-cell' allows assigning names to SES cells. |
13a40633 | 690 | |
70c8f5ca | 691 | ** Shell |
13a40633 | 692 | |
70c8f5ca CY |
693 | *** `explicit-bash-args' now always defaults to use --noediting. |
694 | During initialization, Emacs no longer expends a process to decide | |
695 | whether it is safe to use Bash's --noediting option. These days | |
696 | --noediting is ubiquitous; it was introduced in 1996 in Bash version 2. | |
4f0552c2 | 697 | |
70c8f5ca | 698 | ** Shell Script mode |
8b62d742 | 699 | |
70c8f5ca CY |
700 | *** `sh-mode' now has the mode own `add-log-current-defun-function'. |
701 | You can pick the name of the function and the variables with `C-x 4 a'. | |
c38a186c | 702 | |
b345c561 XF |
703 | *** The SMIE indentation engine is now used by default. |
704 | ||
70c8f5ca CY |
705 | ** SMIE indentation can be customized via `smie-config'. |
706 | The customization can be guessed by Emacs by providing a sample indented | |
707 | file and letting SMIE learn from it. | |
708 | ||
709 | ** Term mode | |
710 | ||
711 | *** New option `term-suppress-hard-newline'. | |
ad4de702 | 712 | |
d29bf51c SB |
713 | ** Todo mode has been rewritten and enhanced. |
714 | New features include: | |
715 | - support for multiple todo files and archive files of done items; | |
716 | - renaming, reordering, moving, merging, and deleting categories; | |
717 | - sortable tabular summaries of categories and the types of items they contain; | |
adc5dbce | 718 | - cross-category lists of items filtered by specific criteria; |
d29bf51c SB |
719 | - more fine-grained interaction with the Emacs diary, by being able to decide |
720 | for each todo item whether it appears in the Fancy Diary display; | |
721 | - highly flexible new item insertion and item editing; | |
722 | - moving items between categories, storing done items in their category or in | |
723 | archive files, undoing or unarchiving done items; | |
724 | - reprioritizing items by inputting a numerical priority; | |
725 | - extensive customizability of operation and display, including numerous faces. | |
8bcced1f | 726 | The Todo mode user manual describes all commands and most user options. |
d29bf51c SB |
727 | To support some of these features, a new file format is used, which is |
728 | incompatible with the old format; however, you can convert old todo and done | |
729 | item files to the new format on initializing the first new todo file, or at any | |
730 | later time with the provided conversion command. The old version of | |
731 | todo-mode.el has been made obsolete and renamed otodo-mode.el. | |
732 | ||
70c8f5ca CY |
733 | ** trace-function was largely rewritten. |
734 | New features include: | |
735 | - no prompting for the destination buffer, unless a prefix-arg was used. | |
736 | - additionally to prompting for a destination buffer, when a prefix-arg is | |
737 | used, the user can enter a "context", i.e. Lisp expression whose value at the | |
738 | time the function is entered/exited will be printed along with the function | |
739 | name and arguments. Useful to trace the value of (current-buffer) or | |
740 | (point) when the function is invoked. | |
741 | ||
aefa2ead | 742 | ** Tramp |
26280467 | 743 | |
179923f7 MA |
744 | *** The experimental url syntax for remote file names is withdrawn. |
745 | ||
aefa2ead MA |
746 | +++ |
747 | *** New connection method "adb", which allows to access Android | |
19dc8b9e MA |
748 | devices by the Android Debug Bridge. The variable `tramp-adb-program' |
749 | can be used to adapt the path of the "adb" program, if needed. | |
26280467 | 750 | |
19dc8b9e MA |
751 | *** The connection methods "plink1", "ssh1", "ssh2", "scp1", "scp2", |
752 | "scpc" and "rsyncc" are discontinued. The ssh option | |
753 | "ControlMaster=auto" is set automatically in all ssh-based methods, | |
754 | when possible. | |
26280467 | 755 | |
ed7367b1 MA |
756 | +++ |
757 | *** Handlers for `file-acl' and `set-file-acl' for remote machines | |
758 | which support POSIX ACLs. | |
aefa2ead | 759 | |
f1c7dee9 MA |
760 | +++ |
761 | *** Handlers for `file-notify-add-watch' and `file-notify-rm-watch' | |
762 | for remote machines which support filesystem notifications. | |
763 | ||
70c8f5ca | 764 | ** VC and related modes |
bb102690 | 765 | |
7899adea | 766 | +++ |
70c8f5ca CY |
767 | *** In VC directory mode, `D' displays diffs between VC-controlled |
768 | whole tree revisions. | |
fa5265fc | 769 | |
7899adea | 770 | +++ |
70c8f5ca CY |
771 | *** In VC directory mode, `L' lists the change log for the current VC |
772 | controlled tree in a window. | |
fa5265fc | 773 | |
7899adea | 774 | +++ |
70c8f5ca CY |
775 | *** In VC directory mode, `I' shows a log of changes that will be |
776 | received with a pull operation. | |
fa5265fc | 777 | |
7899adea | 778 | +++ |
70c8f5ca CY |
779 | *** `C-x v G' (globally) and `G' (in VC directory mode) ignores a file |
780 | under current version control system. When called with a prefix | |
781 | argument, you can remove a file from the ignored file list. | |
fa5265fc | 782 | |
b345c561 | 783 | --- |
70c8f5ca CY |
784 | *** `cvs-append-to-ignore' has been renamed to `vc-cvs-append-to-ignore' |
785 | because it is moved to vc-cvs.el. | |
fa5265fc | 786 | |
70c8f5ca | 787 | ** VHDL mode |
fa5265fc | 788 | |
70c8f5ca | 789 | *** New options: `vhdl-actual-generic-name', `vhdl-beautify-options'. |
fa5265fc | 790 | |
70c8f5ca | 791 | *** New commands: `vhdl-fix-statement-region', `vhdl-fix-statement-buffer'. |
fa5265fc | 792 | |
70c8f5ca | 793 | ** Woman |
fa5265fc | 794 | |
70c8f5ca CY |
795 | *** The commands `woman-default-faces' and `woman-monochrome-faces' |
796 | are obsolete. Customize the `woman-*' faces instead. | |
fa5265fc | 797 | |
770de7cf CY |
798 | ** Obsolete packages: |
799 | ||
122a7e46 SM |
800 | *** Iswitchb is made obsolete by icomplete-mode. |
801 | ||
770de7cf CY |
802 | *** longlines.el is obsolete; use visual-line-mode instead. |
803 | ||
27c8b6eb GM |
804 | +++ |
805 | *** sup-mouse.el. | |
806 | ||
ce3e7725 CY |
807 | *** terminal.el is obsolete; use term.el instead. |
808 | ||
d29bf51c SB |
809 | *** The previous version of todo-mode.el is obsolete and renamed otodo-mode.el. |
810 | ||
30bce3f0 MA |
811 | *** xesam.el. |
812 | ||
4e16ddf4 GM |
813 | +++ |
814 | *** yow.el is obsolete; use fortune.el or cookie1.el instead. | |
815 | ||
5313bbc7 GM |
816 | --- |
817 | *** The Info-edit command is obsolete. Editing Info nodes by hand | |
818 | has not been relevant for some time. | |
819 | ||
4f0552c2 | 820 | \f |
95a32efb | 821 | * New Modes and Packages in Emacs 24.4 |
02f473a4 | 822 | |
70c8f5ca CY |
823 | ** New package `eww' is a built-in web browser. |
824 | It is only available if Emacs is compiled with libxml2 support. | |
825 | ||
826 | ** New minor mode `superword-mode', defined in subword.el | |
002668e1 TZ |
827 | `superword-mode' overrides the default word motion commands to treat |
828 | symbol_words as a single word, similar to what `subword-mode' does and | |
829 | using the same internal functions. | |
830 | ||
70c8f5ca | 831 | ** New package nadvice.el offers lighter-weight advice facilities. |
231d8498 SM |
832 | It is layered as: |
833 | - add-function/remove-function which can be used to add/remove code on any | |
834 | function-carrying place, such as process-filters or `<foo>-function' hooks. | |
835 | - advice-add/advice-remove to add/remove a piece of advice on a named function, | |
836 | much like `defadvice' does. | |
837 | ||
70c8f5ca | 838 | ** New package frameset.el. |
8cd4636c JB |
839 | It provides a set of operations to save a frameset (the state of all |
840 | or a subset of the existing frames and windows, somewhat similar to a | |
841 | frame configuration), both in-session and persistently, and restore it | |
842 | at some point in the future. | |
843 | ||
fb830820 | 844 | +++ |
70c8f5ca CY |
845 | ** New package filenotify.el provides an interface for file system |
846 | notifications. It requires that Emacs be compiled with one of the | |
f1c7dee9 MA |
847 | low-level libraries gfilenotify.c, inotify.c or w32notify.c. |
848 | ||
c57b2d76 | 849 | \f |
95a32efb | 850 | * Incompatible Lisp Changes in Emacs 24.4 |
da03ef8a | 851 | |
3472b6c6 SM |
852 | ** `kill-region' lost its `yank-handler' optional argument. |
853 | ||
ef566920 BR |
854 | ** `(input-pending-p)' no longer runs other timers which are ready to |
855 | run. The new optional CHECK-TIMERS param allows for the prior behavior. | |
856 | ||
a104f656 SM |
857 | ** `defvar' and `defcustom' in a let-binding affect the "external" default. |
858 | ||
db3b7db5 SM |
859 | ** The syntax of ?» and ?« is now punctuation instead of matched parens. |
860 | Some languages match those as »...« and others as «...» so better stay neutral. | |
861 | ||
b345c561 | 862 | --- |
70c8f5ca CY |
863 | ** In compiled Lisp files, the header no longer includes a timestamp. |
864 | ||
0b31660d | 865 | ** The default file coding for Emacs Lisp files is now utf-8. |
70c8f5ca CY |
866 | (See `file-coding-system-alist'.) In most cases, this change is |
867 | transparent, but files that contain unusual characters without | |
868 | specifying an explicit coding system may fail to load with obscure | |
869 | errors. You should either convert them to utf-8 or add an explicit | |
870 | `coding:' cookie. | |
0b31660d | 871 | |
70c8f5ca | 872 | ** `overriding-terminal-local-map' no longer replaces the local keymaps. |
bfa3acd6 SM |
873 | It used to disable the minor mode, major mode, and text-property keymaps, |
874 | whereas now it simply has higher precedence. | |
875 | ||
a0eb10b3 | 876 | ** Default process filters and sentinels are not nil any more. |
1aa8d505 SM |
877 | Instead they default to a function which does what the nil value used to do. |
878 | ||
25c09217 SM |
879 | ** `read-event' does not return decoded chars in ttys any more. |
880 | Just as was the case in Emacs-22 and before, decoding of tty input according to | |
881 | keyboard-coding-system is not performed in read-event any more. But contrary | |
882 | to that past, it is still done before input-decode-map/function-key-map/... | |
883 | ||
99d0d6dc SM |
884 | ** Removed inhibit-local-menu-bar-menus. |
885 | ||
e02230bf SM |
886 | ** frame-local variables that affect redisplay do not work any more. |
887 | More specifically, the redisplay does not bother to check for a frame-local | |
888 | value when looking up variables. | |
889 | ||
642d7ae8 | 890 | ** nil and "unbound" are indistinguishable in `symbol-function'. |
eadf1faa SM |
891 | `symbol-function' never signals `void-function' any more. |
892 | `fboundp' returns non-nil if the symbol was `fset' to nil. | |
893 | ||
3c442f8b SM |
894 | ** `defadvice' does not honor the `freeze' flag and cannot advise |
895 | special-forms any more. | |
7db1bda8 | 896 | |
da03ef8a SM |
897 | ** `dolist' in lexical-binding mode does not bind VAR in RESULT any more. |
898 | VAR was bound to nil which was not tremendously useful and just lead to | |
899 | spurious warnings about an unused var. | |
900 | ||
7c3d167f RF |
901 | ** The return value of `backup-buffer' has changed. |
902 | The second argument is no longer an SELinux context, instead it is an | |
903 | alist of extended attributes as returned by the new function | |
904 | `file-extended-attributes'. The attributes can be applied to another | |
905 | file using `set-file-extended-attributes'. | |
906 | ||
954b166e PE |
907 | ** `visited-file-modtime' now returns -1 for nonexistent files. |
908 | Formerly it returned a list (-1 LOW USEC PSEC), but this was ambiguous | |
909 | in the presence of files with negative time stamps. | |
1af4c220 | 910 | |
642d7ae8 CY |
911 | ** The cars of the elements in `interpreter-mode-alist' are now |
912 | treated as regexps rather than literal strings. This change should | |
913 | not affect you unless you are using `interpreter-mode-alist' for | |
914 | something (not just adding elements to it). | |
1af4c220 | 915 | |
c57b2d76 | 916 | \f |
97a1cd9d | 917 | * Lisp Changes in Emacs 24.4 |
57618ecf | 918 | |
642d7ae8 CY |
919 | ** The second argument of `eval' can now specify a lexical environment. |
920 | ||
b345c561 | 921 | +++ |
642d7ae8 | 922 | ** New functions `special-form-p' and `macrop'. |
70c8f5ca CY |
923 | |
924 | ** New macro `define-alternatives' can be used to define generic commands. | |
925 | Generic commands are interactive functions whose implementation can be | |
926 | selected among several alternatives, as a matter of user preference. | |
927 | ||
642d7ae8 CY |
928 | ** The `defalias-fset-function' property lets you catch `defalias' |
929 | calls, and redirect them to your own function, instead of `fset'. | |
930 | ||
931 | ** Docstrings can be made dynamic by adding a `dynamic-docstring-function' | |
932 | text-property on the first char. | |
933 | ||
05e8f1ae | 934 | +++ |
642d7ae8 CY |
935 | ** New variable `enable-dir-local-variables'. |
936 | Directory-local variables are ignored if this is nil. This may be | |
937 | useful for modes that want to ignore directory-locals while still | |
938 | respecting file-local variables. | |
70c8f5ca | 939 | |
642d7ae8 CY |
940 | +++ |
941 | ** New function `get-pos-property'. | |
70c8f5ca | 942 | |
642d7ae8 | 943 | ** Completion changes |
70c8f5ca | 944 | |
642d7ae8 CY |
945 | *** The separator for `completing-read-multiple' can now be a regexp. |
946 | The default separator has been changed to allow surrounding spaces | |
947 | around the comma. | |
70c8f5ca | 948 | |
642d7ae8 CY |
949 | *** The `common-substring' arg of `display-completion-list' is obsolete. |
950 | Either use `completion-all-completions', which returns highlighted | |
951 | strings (including for partial or substring completion), or call | |
952 | `completion-hilit-commonality' to add the highlight. | |
1f41ee56 | 953 | |
642d7ae8 | 954 | ** Terminal changes |
3472b6c6 | 955 | |
2b2d19f2 | 956 | +++ |
642d7ae8 CY |
957 | *** Functions to pop up menus and dialogs now work on all terminals, |
958 | including TTYs. This includes `x-popup-menu', `x-popup-dialog', | |
959 | `message-box', `yes-or-no-p', etc. | |
0a12fca0 | 960 | |
ffe759eb EZ |
961 | The function `display-popup-menus-p' will now return non-nil for a |
962 | display or frame whenever a mouse is supported on that display or | |
963 | frame. | |
964 | ||
642d7ae8 CY |
965 | *** New hook `tty-setup-hook'. |
966 | ||
967 | ** New hook `pre-redisplay-function'. | |
968 | ||
8fc36a68 | 969 | +++ |
3e0b94e7 DC |
970 | ** New bool-vector set operation functions: |
971 | *** `bool-vector-exclusive-or' | |
972 | *** `bool-vector-union' | |
973 | *** `bool-vector-intersection' | |
974 | *** `bool-vector-set-difference' | |
975 | *** `bool-vector-not' | |
25201ef0 | 976 | *** `bool-vector-subsetp' |
ec2c4ee6 PE |
977 | *** `bool-vector-count-consecutive' |
978 | *** `bool-vector-count-population' | |
3e0b94e7 | 979 | |
3fbba716 | 980 | +++ |
ebb99847 BR |
981 | ** Comparison functions =, <, >, <=, >= now take many arguments. |
982 | ||
642d7ae8 | 983 | ** Error-handling changes |
8c27f5ff | 984 | |
54bd972f | 985 | +++ |
642d7ae8 | 986 | *** New function `define-error'. |
54bd972f | 987 | |
642d7ae8 | 988 | *** `with-demoted-errors' takes an additional argument `format'. |
7fd72e2c | 989 | |
de0503df SM |
990 | +++ |
991 | ** New macro with-eval-after-load. Like eval-after-load, but better behaved. | |
992 | ||
131e4695 | 993 | ** New library subr-x.el for misc helper functions |
bb962da2 | 994 | +++ |
7b530552 | 995 | *** `hash-table-keys' |
bb962da2 | 996 | +++ |
7b530552 | 997 | *** `hash-table-values' |
bb962da2 | 998 | |
015b3b3e BB |
999 | *** `string-blank-p` |
1000 | *** `string-empty-p` | |
4301875e | 1001 | *** `string-join` |
447bdcb8 | 1002 | *** `string-reverse` |
b55aea38 BB |
1003 | *** `string-trim-left' |
1004 | *** `string-trim-right' | |
1005 | *** `string-trim' | |
3cbfb935 BB |
1006 | *** `string-remove-prefix' |
1007 | *** `string-remove-suffix' | |
7b530552 | 1008 | |
dd8791e9 | 1009 | ** Obsoleted functions: |
89561f72 | 1010 | *** `log10' |
dd8791e9 SM |
1011 | *** `dont-compile' |
1012 | *** `lisp-complete-symbol' | |
1013 | *** `field-complete' | |
1014 | *** `minibuffer-completion-contents' | |
66fc57e3 JL |
1015 | *** `isearch-nonincremental-exit-minibuffer' |
1016 | *** `isearch-filter-visible' | |
e3eb1bb7 | 1017 | *** `generic-make-keywords-list' |
642d7ae8 | 1018 | *** `get-upcase-table' (use `case-table-get-table' instead). |
d3e9f3a8 | 1019 | |
d36ed1c8 SM |
1020 | ** `with-wrapper-hook' is obsoleted by `add-function'. |
1021 | The few hooks that used with-wrapper-hook are replaced as follows: | |
1022 | *** `abbrev-expand-function' obsoletes `abbrev-expand-functions'. | |
1023 | *** `completion-in-region-function' obsoletes `completion-in-region-functions'. | |
1024 | *** `filter-buffer-substring-function' obsoletes `filter-buffer-substring-functions'. | |
1025 | ||
2bb3a748 BB |
1026 | ** `byte-compile-interactive-only-functions' is now obsolete. |
1027 | It has been replaced by the symbol property 'interactive-only. | |
1028 | ||
46291d11 | 1029 | +++ |
77c92cb9 RS |
1030 | ** `split-string' now takes an optional argument TRIM. |
1031 | The value, if non-nil, is a regexp that specifies what to trim from | |
1032 | the start and end of each substring. | |
d36ed1c8 | 1033 | |
41ce6f70 BB |
1034 | ** New function `string-suffix-p'. |
1035 | ||
70c8f5ca CY |
1036 | ** File-handling changes |
1037 | ||
882b0b86 | 1038 | +++ |
70c8f5ca | 1039 | *** Support for filesystem notifications. |
81606b10 RS |
1040 | Emacs now supports notifications of filesystem changes, such as |
1041 | creation, modification, and deletion of files. This requires the | |
2f23b3ab MA |
1042 | `glib' API, or the 'inotify' API (on GNU/Linux systems only). On |
1043 | MS-Windows systems, this is supported for Windows XP and newer | |
1044 | versions. | |
81606b10 | 1045 | |
882b0b86 | 1046 | +++ |
70c8f5ca CY |
1047 | *** The 9th element returned by `file-attributes' is now unspecified. |
1048 | Formerly, it was t if the file's gid would change if file were deleted | |
1049 | and recreated. This value has been inaccurate for years on many | |
1050 | platforms, and nobody seems to have noticed or cared. | |
1051 | ||
882b0b86 | 1052 | +++ |
70c8f5ca CY |
1053 | *** The 6th argument to `copy-file' has been renamed to |
1054 | PRESERVE-EXTENDED-ATTRIBUTES as it now handles both SELinux context | |
1055 | and ACL entries. | |
1056 | ||
2d778742 | 1057 | +++ |
70c8f5ca CY |
1058 | *** The function `file-ownership-preserved-p' now has an optional |
1059 | argument GROUP which causes it check for file group too. This can be | |
1060 | used in place of the 9th element of `file-attributes'. | |
1061 | ||
70c8f5ca CY |
1062 | *** The function `set-visited-file-modtime' now accepts a 0 or -1 |
1063 | argument, with the same interpretation as the returned value of | |
1064 | `visited-file-modtime'. | |
1065 | ||
add89f61 MA |
1066 | ** Changes in autorevert.el |
1067 | ||
1068 | --- | |
1069 | *** If Emacs is compiled with file notification support, notifications | |
1070 | are used instead of checking the time stamp of the files. You can | |
1071 | disable this by setting the user option `auto-revert-use-notify' to | |
1072 | nil. Alternatively, a regular expression of directories to be | |
1073 | excluded from file notifications can be specified by | |
1074 | `auto-revert-notify-exclude-dir-regexp'. | |
1075 | ||
1076 | --- | |
1077 | *** The new user option `auto-revert-remote-files' enables reversion | |
1078 | of remote files when set to non-nil. | |
1079 | ||
1c4f115d CY |
1080 | ** Face changes |
1081 | ||
642d7ae8 CY |
1082 | *** The function `face-spec-set' is now like `setq' for face specs. |
1083 | Its third arg now accepts values specifying a face spec type (defface, | |
1084 | custom, or override spec), and the relevant spec is set accordingly. | |
1c4f115d | 1085 | |
2d778742 | 1086 | +++ |
70c8f5ca CY |
1087 | *** New function `add-face-text-property', which can be used to |
1088 | conveniently prepend/append new face properties. | |
1089 | ||
1c4f115d CY |
1090 | *** Face specs set via Custom themes now replace the `defface' spec |
1091 | rather than inheriting from it (as do face specs set via Customize). | |
1092 | ||
073ca75b JL |
1093 | *** New face characteristic (supports :underline (:style wave)) |
1094 | specifies whether or not the terminal can display a wavy line. | |
1095 | ||
2d778742 | 1096 | +++ |
3c334c14 | 1097 | *** New face spec attribute :distant-foreground |
920d0654 XF |
1098 | specifies foreground to use if background color is near the foreground |
1099 | color that would otherwise have been used. | |
3c334c14 | 1100 | |
f0c954fa GM |
1101 | ** Image API |
1102 | ||
1103 | +++ | |
1104 | *** `image-animated-p' is now `image-multi-frame-p'. | |
1105 | It returns non-nil for any image that contains multiple frames, | |
1106 | whether or not it specifies a frame delay. | |
1107 | ||
1108 | +++ | |
642d7ae8 CY |
1109 | *** New variable `image-default-frame-delay' gives the frame delay for |
1110 | animated images which do not specify a frame delay. | |
f0c954fa GM |
1111 | |
1112 | +++ | |
1113 | *** New functions `image-current-frame' and `image-show-frame' for getting | |
1114 | and setting the current frame of a multi-frame image. | |
1115 | ||
fa5265fc DE |
1116 | ** EIEIO |
1117 | ||
1118 | *** Namespace cleanup by obsolete-aliasing functions to use `eieio-' prefix. | |
1119 | **** object-name -> eieio-object-name | |
1120 | **** object-class -> eieio-object-class | |
1121 | **** object-class-fast -> eieio--object-class | |
1122 | **** object-name-string -> eieio-object-name-string | |
1123 | **** object-num-slots -> eieio--object-num-slots | |
1124 | **** object-set-name-string -> eieio-object-set-name-string | |
1125 | **** class-parent -> eieio-class-parent | |
1126 | **** class-parents -> eieio-class-parents | |
1127 | **** class-children -> eieio-class-children | |
1128 | **** class-num-slots -> eieio--class-num-slots | |
1129 | **** class-precedence-list -> eieio-class-precedence-list | |
1130 | **** All generated class-* and object-* field accessors are now | |
1131 | prefixed with `eieio-' as well. | |
1132 | ||
1133 | *** Obsoleted functions: | |
1134 | **** class-of | |
1135 | **** class-direct-subclasses | |
1136 | **** class-direct-superclasses | |
1137 | ||
1b796d6b EZ |
1138 | ** Changes in encoding and decoding of text |
1139 | ||
1140 | --- | |
1141 | *** New coding-system `prefer-utf-8'. | |
1142 | This is like `undecided' but prefers UTF-8 on decoding if the text to | |
1143 | be decoded does not contain any invalid UTF-8 sequences. On encoding, | |
1144 | any non-ASCII characters are automatically encoded as UTF-8. | |
1145 | ||
1146 | --- | |
1147 | *** New attributes of coding-systems whose type is `undecided'. | |
1148 | Two new attributes, `:inhibit-null-byte-detection' and | |
1149 | `:inhibit-iso-escape-detection', determine how to detect encoding of | |
1150 | text that includes null bytes and ISO-2022 escape sequences, | |
1151 | respectively. Each of these attributes can be either nil, zero, or | |
1152 | t. If it is t, decoding text ignores null bytes and, respectively, | |
1153 | ISO-2022 sequences. If it is nil, null bytes cause text to be decoded | |
1154 | with no-conversion and ISO-2022 sequences cause Emacs to assume the | |
1155 | text is encoded in one of the ISO-2022 encodings, such as | |
1156 | iso-2022-7bit. If the value is zero, Emacs consults the variables | |
1157 | inhibit-null-byte-detection and inhibit-iso-escape-detection, which | |
1158 | see. | |
1159 | The new attribute `:prefer-utf-8', if non-nil, causes Emacs to prefer | |
1160 | UTF-8 encoding and decoding, whenever possible. | |
1161 | ||
1162 | These attributes are only meaningful for coding-systems of type | |
1163 | `undecided'. (The type of a coding-system is determined by its | |
1164 | `:coding-type' attribute and can be accessed by calling the | |
1165 | `coding-system-type' function.) | |
1166 | ||
70c8f5ca CY |
1167 | ** `time-to-seconds' is not obsolete any more. |
1168 | ||
70743157 | 1169 | ** The lock for 'DIR/FILE' is now 'DIR/.#FILE' and may be a regular file. |
b5029e23 PE |
1170 | When you edit DIR/FILE, Emacs normally creates a symbolic link |
1171 | DIR/.#FILE as a lock that warns other instances of Emacs that DIR/FILE | |
1172 | is being edited. Formerly, if there was already a non-symlink file | |
1173 | named DIR/.#FILE, Emacs fell back on the lock names DIR/.#FILE.0 | |
1174 | through DIR/.#FILE.9. These fallbacks have been removed, so that | |
1175 | Emacs now no longer locks DIR/FILE in that case. | |
1176 | ||
70743157 PE |
1177 | On file systems that do not support symbolic links, the lock is now a |
1178 | regular file with contents being what would have been in the symlink. | |
b5029e23 | 1179 | |
44fdad1c | 1180 | +++ |
97976f9f PE |
1181 | ** New functions `group-gid' and `group-real-gid'. |
1182 | ||
8fa2654e CS |
1183 | ** Changes to the Emacs Lisp Coding Conventions in Emacs 24.4 |
1184 | ||
44fdad1c | 1185 | +++ |
8fa2654e | 1186 | *** The package descriptor and name of global variables, constants, |
0a2da075 | 1187 | and functions should be separated by two hyphens if the symbol is not |
8fa2654e CS |
1188 | meant to be used by other packages. |
1189 | ||
c57b2d76 | 1190 | \f |
97a1cd9d | 1191 | * Changes in Emacs 24.4 on Non-Free Operating Systems |
95a32efb | 1192 | |
7605d081 GM |
1193 | ** The procedure for building Emacs on MS-Windows has changed. |
1194 | It is now built by running the same configure script as on all other | |
1195 | platforms. This requires the MSYS environment and MinGW development | |
1196 | tools. See the updated instructions in nt/INSTALL for details. | |
671d4bfc GM |
1197 | |
1198 | Using the Posix configure script and Makefile's also means a change in | |
1199 | the directory structure of the Emacs installation on Windows. It is | |
1200 | now the same as on GNU and Unix systems. In particular, the auxiliary | |
1201 | programs, such as cmdproxy.exe and hexl.exe, are in | |
1202 | libexec/emacs/VERSION/i686-pc-mingw32 (where VERSION is the Emacs | |
1203 | version), version-independent site-lisp is in share/emacs/site-lisp, | |
1204 | version-specific Lisp files are in share/emacs/VERSION/lisp and in | |
1205 | share/emacs/VERSION/site-lisp, Info docs are in share/info, and data | |
1206 | files are in share/emacs/VERSION/etc. (Emacs knows about all these | |
1207 | directories and will find the files in there automatically; there's no | |
1208 | need to set any variables due to this change.) | |
1209 | ||
7df14908 EZ |
1210 | +++ |
1211 | ** Emacs on Windows 2000 and later can now access files and directories | |
1212 | whose names cannot be encoded in the current system codepage. | |
1213 | ||
1214 | The new variable `w32-unicode-filenames' controls this feature: if it | |
1215 | is t, Emacs uses Unicode APIs to pass file names to system calls, | |
1216 | which lifts the limitation of file names to the current locale. | |
1217 | ||
5248293f GM |
1218 | +++ |
1219 | ** The "generate a backtrace on fatal error" feature now works on MS Windows. | |
1220 | The backtrace is written to the 'emacs_backtrace.txt' file in the | |
1221 | directory where Emacs was running. | |
1222 | ||
8549f9e8 EZ |
1223 | +++ |
1224 | ** The variable `buffer-file-type' is no longer supported. | |
1225 | Setting it has no effect, and %t in the mode-line format is ignored. | |
1226 | Likewise, `file-name-buffer-file-type-alist' is now obsolete, and | |
1227 | modifying it has no effect. | |
1228 | ||
343a2aef EZ |
1229 | --- |
1230 | ** Lock files now work on MS-Windows. | |
1231 | This allows to avoid losing your edits if the same file is being | |
1232 | edited in another Emacs session or by another user. See the node | |
1233 | "Interlocking" in the Emacs User Manual for the details. To disable | |
1234 | file locking, customize `create-lockfiles' to nil. | |
1235 | ||
c57b2d76 GM |
1236 | ** Improved fullscreen support on Mac OS X. |
1237 | Both native (>= OSX 10.7) and "old style" fullscreen are supported. | |
1238 | Customize `ns-use-native-fullscreen' to change style. For >= 10.7 | |
1239 | native is the default. | |
1240 | ||
41cf3d11 JD |
1241 | ** OSX >= 10.7 can use sRGB colorspace. |
1242 | Customize `ns-use-srgb-colorspace' to change style. nil is the default. | |
1243 | Note: This does not apply to images. | |
1244 | ||
95a32efb | 1245 | \f |
2a1e2476 | 1246 | * Installation Changes in Emacs 24.3 |
b8df54ff | 1247 | |
6bc66c10 | 1248 | ** The default X toolkit is now Gtk+ version 3. |
823b2fb6 GM |
1249 | If you don't pass `--with-x-toolkit' to configure, or if you use |
1250 | `--with-x-toolkit=gtk' or `--with-x-toolkit=yes', configure will try | |
1251 | to build with Gtk+ version 3, and if that fails, try Gtk+ version 2. | |
d71a6517 | 1252 | You can explicitly require a specific version by passing |
823b2fb6 | 1253 | `--with-x-toolkit=gtk2' or `--with-x-toolkit=gtk3' to configure. |
da3d2105 | 1254 | |
6bc66c10 | 1255 | ** New configure option `--enable-link-time-optimization', to utilize |
da3d2105 DA |
1256 | an appropriate feature provided by GCC since version 4.5.0. |
1257 | ||
33cb2043 GM |
1258 | ** New configure option `--without-all' to disable most of the optional |
1259 | features (image support, etc.) that are normally enabled by default. | |
b8df54ff | 1260 | |
33cb2043 GM |
1261 | ** New configure option `--enable-gcc-warnings' (for developing/debugging |
1262 | Emacs). If building with GCC, this enables compile-time checks that | |
64420fcd GM |
1263 | warn/give errors about possibly-questionable C code. On a recent GNU |
1264 | system there should be no warnings; on older and on non-GNU systems | |
1265 | the results may be useful to developers. | |
b8df54ff | 1266 | |
823b2fb6 | 1267 | ** The configure option `--enable-use-lisp-union-type' has been |
6bc66c10 | 1268 | renamed to `--enable-check-lisp-object-type', as the resulting |
d71a6517 GM |
1269 | Lisp_Object type no longer uses a union to implement the compile time |
1270 | check that this option enables. | |
1271 | ||
823b2fb6 | 1272 | ** The configure option `--disable-maintainer-mode' has been removed, |
501390c5 PE |
1273 | as it was confusingly-named and rarely useful. |
1274 | ||
f14a4380 GM |
1275 | ** The configure options `--program-prefix', `--program-suffix', and |
1276 | `--program-transform-name' apply to more than just the installed | |
1277 | binaries. Now they also affect the man pages, icons, and the | |
1278 | etc/emacs.desktop file; but not the info pages, since this would break | |
1279 | links between the various manuals. | |
1a9c6830 | 1280 | |
823b2fb6 GM |
1281 | ** You can use `NO_BIN_LINK=t make install' to prevent the installation |
1282 | overwriting "emacs" in the installation bin/ directory with a link | |
6bc66c10 | 1283 | to "emacs-VERSION". |
823b2fb6 | 1284 | |
a4a18b8b GM |
1285 | ** Emacs uses libtinfo in preference to libncurses, if available. |
1286 | ||
187e9b90 GM |
1287 | ** On FreeBSD and NetBSD, configure no longer adds /usr/local/lib and |
1288 | /usr/pkg/lib to the linker search path. You must add them yourself if | |
1289 | you want them. | |
1290 | ||
6bc66c10 | 1291 | ** The standalone scripts `rcs-checkin' and `vcdiff' have been removed |
276d5f5d GM |
1292 | (from the bin and libexec directories, respectively). The former is |
1293 | no longer relevant, the latter is replaced by lisp (in vc-sccs.el). | |
1294 | ||
a1ed8b05 | 1295 | \f |
2a1e2476 | 1296 | * Startup Changes in Emacs 24.3 |
e5fcdb5e GM |
1297 | |
1298 | ** Emacs no longer searches for `leim-list.el' files beneath the standard | |
1299 | lisp/ directory. There should not be any there anyway. If you have | |
823b2fb6 | 1300 | been adding them there, put them somewhere else; e.g., site-lisp. |
e5fcdb5e | 1301 | |
4107c81e GM |
1302 | ** The `--no-site-lisp' command line option now works for Nextstep builds. |
1303 | ||
a1ed8b05 | 1304 | \f |
2a1e2476 | 1305 | * Changes in Emacs 24.3 |
a1ed8b05 | 1306 | |
6bc66c10 | 1307 | ** Help |
c89926a5 | 1308 | |
6bc66c10 | 1309 | *** `C-h f' (`describe-function') can now perform autoloading. |
c89926a5 CY |
1310 | When this command is called for an autoloaded function whose docstring |
1311 | contains a key substitution construct, that function's library is | |
1312 | automatically loaded, so that the documentation can be shown | |
1313 | correctly. To disable this, set `help-enable-auto-load' to nil. | |
1314 | ||
1315 | *** `C-h f' now reports previously-autoloaded functions as "autoloaded", | |
1316 | even after their associated libraries have been loaded (and the | |
1317 | autoloads have been redefined as functions). | |
1318 | ||
6bc66c10 | 1319 | ** ImageMagick |
cd996018 | 1320 | |
6bc66c10 GM |
1321 | *** Images displayed via ImageMagick now support transparency and the |
1322 | :background image specification property. | |
cd996018 | 1323 | |
6bc66c10 | 1324 | *** When available, ImageMagick support is automatically enabled. |
c505aaeb CY |
1325 | It is no longer necessary to call `imagemagick-register-types' |
1326 | explicitly to install ImageMagick image types; that function is called | |
7d806bfe | 1327 | automatically at startup, or when customizing an imagemagick- option. |
2f940384 | 1328 | |
c505aaeb | 1329 | *** Setting `imagemagick-types-inhibit' to t now disables the use of |
823b2fb6 GM |
1330 | ImageMagick to view images. (You must call `imagemagick-register-types' |
1331 | afterwards if you do not use customize to change this.) | |
2f940384 | 1332 | |
7afbaca4 | 1333 | *** The new variable `imagemagick-enabled-types' also affects which |
60b5f187 GM |
1334 | ImageMagick types are treated as images. The function |
1335 | `imagemagick-filter-types' returns the list of types that will be | |
1336 | treated as images. | |
c505aaeb | 1337 | |
f3f9606c LMI |
1338 | *** ImageMagick images now support the :max-width and :max-height |
1339 | keywords. | |
1340 | ||
8259030d | 1341 | *** Some data types aren't auto-detected by ImageMagick. Adding |
c6b7ccaa LMI |
1342 | :format to `create-image' may help if the content type is in the |
1343 | new variable `image-format-suffixes'. | |
8259030d | 1344 | |
6bc66c10 GM |
1345 | ** Minibuffer |
1346 | ||
1347 | *** In minibuffer filename prompts, `C-M-f' and `C-M-b' now move to the | |
1348 | next and previous path separator, respectively. | |
c505aaeb | 1349 | |
6bc66c10 GM |
1350 | *** `minibuffer-electric-default-mode' can shorten "(default ...)" to "[...]" |
1351 | in minibuffer prompts. Just set `minibuffer-eldef-shorten-default' | |
1352 | non-nil before enabling the mode. | |
1353 | ||
1354 | ** Mode line | |
1355 | ||
1356 | *** New option `mode-line-default-help-echo' specifies the help text | |
1357 | (shown in a tooltip or in the echo area) for any part of the mode line | |
1358 | that does not have its own specialized help text. | |
1359 | ||
1360 | *** You can now click mouse-3 in the coding system indicator to invoke | |
1361 | `set-buffer-file-coding-system'. | |
1362 | ||
1363 | ** Server and client | |
2f940384 | 1364 | |
f938eda9 CY |
1365 | *** emacsclient now obeys string values for `initial-buffer-choice', |
1366 | if it is told to open a new frame without specifying any file to visit | |
1367 | or expression to evaluate. | |
db80bdc8 | 1368 | |
f938eda9 | 1369 | *** New option `server-auth-key' specifies a shared server key. |
f938eda9 CY |
1370 | |
1371 | ** Emacs now generates backtraces on fatal errors. | |
1372 | On encountering a fatal error, Emacs now outputs a textual description | |
1373 | of the fatal signal, and a short backtrace on platforms like glibc | |
5248293f | 1374 | that support backtraces. |
2e2d2a13 | 1375 | |
6bc66c10 GM |
1376 | ** `C-x C-q' is now bound to the new minor mode `read-only-mode'. |
1377 | This minor mode replaces `toggle-read-only', which is now obsolete. | |
1378 | ||
1379 | ** Most `y-or-n' prompts now allow you to scroll the selected window. | |
1380 | Typing `C-v' or `M-v' at a y-or-n prompt scrolls forward or backward | |
1381 | respectively, without exiting from the prompt. | |
1382 | ||
1383 | ** In the Package Menu, newly-available packages are listed as "new", | |
1384 | and sorted above the other "available" packages by default. | |
1385 | ||
f938eda9 CY |
1386 | ** If your Emacs was built from a bzr checkout, the new variable |
1387 | `emacs-bzr-version' contains information about the bzr revision used. | |
de6ff46d | 1388 | |
6bc66c10 | 1389 | ** New option `create-lockfiles' specifies usage of lockfiles. |
f938eda9 CY |
1390 | It defaults to t. Changing it to nil inhibits the creation of lock |
1391 | files (use this with caution). | |
dc0f75c8 | 1392 | |
6bc66c10 GM |
1393 | ** New option `enable-remote-dir-locals', if non-nil, allows directory-local |
1394 | variables on remote hosts. | |
21ffb35a | 1395 | |
f85f636a CY |
1396 | ** The entry for PCL-CVS has been removed from the Tools menu. |
1397 | The PCL-CVS commands are still available via the keyboard. | |
1398 | ||
6bc66c10 GM |
1399 | ** Using "unibyte: t" in Lisp source files is obsolete. |
1400 | Use "coding: raw-text" instead. | |
1401 | ||
e78e7e48 CY |
1402 | ** In the buffer made by `M-x report-emacs-bug', the `C-c m' binding |
1403 | has been changed to `C-c M-i' (`report-emacs-bug-insert-to-mailer'). | |
1404 | The previous binding, introduced in Emacs 24.1, was a mistake, because | |
1405 | `C-c LETTER' bindings are reserved for user customizations. | |
1406 | ||
6bc66c10 | 1407 | ** Internationalization |
2f940384 | 1408 | |
f938eda9 | 1409 | *** New language environment: Persian. |
2f940384 | 1410 | |
f938eda9 CY |
1411 | *** New input method `vietnamese-vni'. |
1412 | ||
6bc66c10 | 1413 | ** Nextstep (GNUstep / Mac OS X) port |
2f940384 | 1414 | |
823b2fb6 | 1415 | *** Support for fullscreen and the frame parameter fullscreen. |
2f940384 | 1416 | |
1a9c6830 GM |
1417 | *** A file dialog is used for open/save operations initiated from the |
1418 | menu/toolbar. | |
1419 | ||
a1ed8b05 | 1420 | \f |
2a1e2476 | 1421 | * Editing Changes in Emacs 24.3 |
c25df26e | 1422 | |
6bc66c10 | 1423 | ** Search and Replace |
d39d3c8e | 1424 | |
f938eda9 CY |
1425 | *** Non-regexp Isearch now performs "lax" space matching. |
1426 | Each sequence of spaces in the supplied search string may match any | |
1427 | sequence of one or more whitespace characters, as specified by the | |
1428 | variable `search-whitespace-regexp'. (This variable is also used by a | |
823b2fb6 | 1429 | similar existing feature for regexp Isearch.) |
2f940384 | 1430 | |
f938eda9 CY |
1431 | *** New Isearch command `M-s SPC' toggles lax space matching. |
1432 | This applies to both ordinary and regexp Isearch. | |
2f940384 | 1433 | |
f938eda9 CY |
1434 | *** New option `replace-lax-whitespace'. |
1435 | If non-nil, `query-replace' uses flexible whitespace matching too. | |
1436 | The default is nil. | |
2f940384 | 1437 | |
b9cb2387 JL |
1438 | *** Global `M-s _' starts a symbol (identifier) incremental search, |
1439 | and `M-s _' in Isearch toggles symbol search mode. | |
1440 | `M-s c' in Isearch toggles search case-sensitivity. | |
1441 | ||
6bc66c10 | 1442 | ** Navigation commands |
48de8b12 | 1443 | |
6bc66c10 GM |
1444 | *** New binding `M-g c' for `goto-char'. |
1445 | ||
1446 | *** New binding `M-g TAB' for `move-to-column'. | |
1447 | ||
1448 | *** `M-g TAB' (`move-to-column') prompts for a column number if called | |
1449 | interactively with no prefix arg. Previously, it moved to column 1. | |
1450 | ||
1451 | ** New option `yank-handled-properties' allows processing of text | |
1452 | properties on yanked text, in ways that are more general than just | |
1453 | removing them (as is done by `yank-excluded-properties'). | |
48de8b12 | 1454 | |
48de8b12 CY |
1455 | ** New option `delete-trailing-lines' specifies whether |
1456 | M-x delete-trailing-whitespace should delete trailing lines at the end | |
1457 | of the buffer. It defaults to t. | |
1458 | ||
f938eda9 | 1459 | ** `C-u M-=' now counts lines/words/characters in the entire buffer. |
826b3235 | 1460 | |
48de8b12 CY |
1461 | ** `C-x 8 RET' is now bound to `insert-char', which is now a command. |
1462 | `ucs-insert' is now an obsolete alias for `insert-char'. | |
b2459884 | 1463 | |
48de8b12 CY |
1464 | ** The `z' key no longer has a binding in most special modes. |
1465 | It used to be bound to `kill-this-buffer', but `z' is too easy to | |
1466 | accidentally type. | |
f938eda9 | 1467 | |
6bc66c10 GM |
1468 | ** New command `C-x r M-w' (`copy-rectangle-as-kill'). |
1469 | It copies the region-rectangle as the last rectangle kill. | |
f938eda9 | 1470 | |
6bc66c10 | 1471 | ** Registers |
f938eda9 | 1472 | |
823b2fb6 | 1473 | *** `C-x r +' is now overloaded to invoke `append-to-register'. |
f938eda9 | 1474 | |
f938eda9 | 1475 | *** New option `register-separator' specifies the register containing |
823b2fb6 GM |
1476 | the text to put between collected texts for use with |
1477 | M-x append-to-register and M-x prepend-to-register. | |
f1f4dba0 | 1478 | |
a1ed8b05 | 1479 | \f |
2a1e2476 | 1480 | * Changes in Specialized Modes and Packages in Emacs 24.3 |
ae4969c2 | 1481 | |
6bc66c10 | 1482 | ** Common Lisp emulation (CL) |
f938eda9 | 1483 | |
89660017 | 1484 | *** CL's main entry is now (require 'cl-lib). |
823b2fb6 GM |
1485 | `cl-lib' is like the old `cl' except that it uses the namespace cleanly; |
1486 | i.e., all its definitions have the "cl-" prefix (and internal definitions | |
1487 | use the "cl--" prefix). | |
7c1898a7 | 1488 | |
823b2fb6 GM |
1489 | If `cl' provided a feature under the name `foo', then `cl-lib' |
1490 | provides it under the name `cl-foo' instead; with the exceptions of the | |
1491 | few `cl' definitions that had to use `foo*' to avoid conflicts with | |
1492 | pre-existing Elisp entities. These have been renamed to `cl-foo' | |
1493 | rather than `cl-foo*'. | |
7c1898a7 | 1494 | |
92246540 | 1495 | The old `cl' is now deprecated and is mainly just a bunch of aliases that |
823b2fb6 | 1496 | provide the old, non-prefixed names. Some exceptions are listed below: |
7c1898a7 | 1497 | |
89660017 SM |
1498 | *** `cl-flet' is not like `flet' (which is deprecated). |
1499 | Instead it obeys the behavior of Common-Lisp's `flet'. | |
e8693c96 GM |
1500 | In particular, in cl-flet function definitions are lexically scoped, |
1501 | whereas in flet the scoping is dynamic. | |
89660017 SM |
1502 | |
1503 | *** `cl-labels' is slightly different from `labels'. | |
823b2fb6 GM |
1504 | The difference is that it relies on the `lexical-binding' machinery |
1505 | (as opposed to the `lexical-let' machinery used previously) to capture | |
1506 | definitions in closures, so such closures will only work if `lexical-binding' | |
1507 | is in use. | |
89660017 | 1508 | |
f94b04fc | 1509 | *** `cl-letf' is not exactly like `letf'. |
4ddedf94 GM |
1510 | The only difference is in details that relate to some deprecated usage |
1511 | of `symbol-function' in place forms. | |
f94b04fc | 1512 | |
89660017 | 1513 | *** `progv' was rewritten to use the `let' machinery. |
823b2fb6 GM |
1514 | A side effect is that variables without corresponding values are bound |
1515 | to nil rather than being made unbound. | |
89660017 | 1516 | |
9512f820 GM |
1517 | *** The following methods of extending `setf' are obsolete |
1518 | (use features from gv.el instead): | |
1519 | `define-modify-macro' (use `gv-letplace') | |
031b2ea7 GM |
1520 | `defsetf' (use `gv-define-simple-setter' or `gv-define-setter') |
1521 | `define-setf-expander' (use `gv-define-setter' or `gv-define-expander') | |
2b4da3ff | 1522 | `get-setf-method' no longer exists (see "Incompatible Lisp Changes") |
f94b04fc | 1523 | |
6bc66c10 | 1524 | ** Diff mode |
f938eda9 | 1525 | |
6bc66c10 GM |
1526 | *** Changes are now highlighted using the same color scheme as in |
1527 | modern VCSes. Deletions are displayed in red (new faces | |
1528 | `diff-refine-removed' and `smerge-refined-removed', and new definition | |
1529 | of `diff-removed'), insertions in green (new faces `diff-refine-added' | |
1530 | and `smerge-refined-added', and new definition of `diff-added'). | |
f938eda9 | 1531 | |
6bc66c10 GM |
1532 | *** The variable `diff-use-changed-face' defines whether to use the |
1533 | face `diff-changed', or `diff-removed' and `diff-added' to highlight | |
1534 | changes in context diffs. | |
2f940384 | 1535 | |
6bc66c10 GM |
1536 | *** The new command `diff-delete-trailing-whitespace' removes trailing |
1537 | whitespace introduced by a diff. | |
f938eda9 | 1538 | |
6bc66c10 GM |
1539 | ** Ediff now uses the same color scheme as Diff mode. |
1540 | ||
1541 | ** Python mode | |
1542 | ||
1543 | A new version of python.el, which provides several new features, including: | |
1544 | per-buffer shells, better indentation, Python 3 support, and improved | |
1545 | shell-interaction compatible with iPython (and virtually any other | |
1546 | text based shell). | |
1547 | ||
1548 | *** Some user options have been replaced/renamed, including (old -> new): | |
1549 | **** python-indent -> python-indent-offset | |
1550 | **** python-guess-indent -> python-indent-guess-indent-offset | |
1551 | **** python-pdbtrack-do-tracking-p -> python-pdbtrack-activate | |
1552 | **** python-use-skeletons -> python-skeleton-autoinsert | |
1553 | ||
1554 | *** Some user options have been removed, including: | |
1555 | ||
1556 | **** `python-indent-string-contents': Strings are never indented. | |
1557 | ||
1558 | **** `python-honour-comment-indentation': | |
d5b1b1aa | 1559 | Comments are always considered as indentation markers. |
6bc66c10 GM |
1560 | |
1561 | **** `python-continuation-offset': Indentation is automatically | |
1562 | calculated in a pep8 compliant way depending on the context. | |
1563 | ||
1564 | **** `python-shell-prompt-alist', `python-shell-continuation-prompt-alist': | |
1565 | Have no direct mapping as the shell interaction is completely different. | |
1566 | ||
1567 | **** `python-python-command', `python-jython-command': | |
1568 | Replaced by `python-shell-interpreter'. | |
1569 | ||
1570 | **** `inferior-python-filter-regexp', `python-remove-cwd-from-path', | |
1571 | `python-pdbtrack-minor-mode-string', `python-source-modes': | |
1572 | No longer relevant. | |
1573 | ||
1574 | *** Some commands have been replaced (old -> new): | |
1575 | **** python-insert-class -> python-skeleton-class | |
1576 | **** python-insert-def -> python-skeleton-def | |
1577 | **** python-insert-for -> python-skeleton-for | |
1578 | **** python-insert-if -> python-skeleton-if | |
1579 | **** python-insert-try/except -> python-skeleton-try | |
1580 | **** python-insert-try/finally -> python-skeleton-try | |
1581 | **** python-insert-while -> python-skeleton-while | |
1582 | **** python-find-function -> python-nav-jump-to-defun | |
1583 | **** python-next-statement -> python-nav-forward-sentence | |
1584 | **** python-previous-statement -> python-nav-backward-sentence | |
1585 | **** python-beginning-of-defun-function -> python-nav-beginning-of-defun | |
1586 | **** python-end-of-defun-function -> python-nav-end-of-defun | |
1587 | **** python-send-buffer -> python-shell-send-buffer | |
1588 | **** python-send-defun -> python-shell-send-defun | |
1589 | **** python-send-region -> python-shell-send-region | |
1590 | **** python-send-region-and-go -> emulate with python-shell-send-region | |
1591 | and python-shell-switch-to-shell | |
1592 | **** python-send-string -> python-shell-send-string | |
1593 | **** python-switch-to-python -> python-shell-switch-to-shell | |
1594 | **** python-describe-symbol -> python-eldoc-at-point | |
e76f0800 | 1595 | |
f938eda9 CY |
1596 | ** D-Bus |
1597 | ||
f938eda9 CY |
1598 | *** New variables `dbus-compiled-version' and `dbus-runtime-version'. |
1599 | ||
f938eda9 CY |
1600 | *** The D-Bus object manager interface is implemented. |
1601 | ||
f938eda9 CY |
1602 | *** Variables of type :(u)int32 and :(u)int64 accept floating points, |
1603 | if their value does not fit into Emacs's integer range. | |
1604 | ||
823b2fb6 GM |
1605 | *** The function `dbus-call-method' is now non-blocking. |
1606 | It can be interrupted by `C-g'. `dbus-call-method-non-blocking' is obsolete. | |
f938eda9 | 1607 | |
823b2fb6 | 1608 | *** Signals can also be sent as unicast messages. |
f938eda9 | 1609 | |
f938eda9 | 1610 | *** The argument list of `dbus-register-signal' has been extended, |
6bc66c10 | 1611 | according to the new match rule types of D-Bus. |
f938eda9 | 1612 | |
f938eda9 CY |
1613 | *** `dbus-init-bus' supports private connections. |
1614 | ||
f938eda9 CY |
1615 | *** There is a new function `dbus-setenv'. |
1616 | ||
6bc66c10 GM |
1617 | ** `desktop-path' no longer includes the "." directory. |
1618 | Desktop files are now located in ~/.emacs.d by default. | |
f938eda9 CY |
1619 | |
1620 | ** Dired | |
2f940384 | 1621 | |
f938eda9 CY |
1622 | *** `dired-do-async-shell-command' executes each file sequentially |
1623 | if the command ends in `;' (when operating on multiple files). | |
1624 | Otherwise, it executes the command on each file in parallel. | |
2f940384 | 1625 | |
823b2fb6 GM |
1626 | *** Typing `M-n' in the minibuffer of `dired-do-chmod', `dired-do-chgrp', |
1627 | `dired-do-chown', and `dired-do-touch' yanks the attributes of the | |
f938eda9 | 1628 | file at point. |
2f940384 | 1629 | |
f938eda9 | 1630 | *** When the region is active, `m' (`dired-mark'), `u' (`dired-unmark'), |
823b2fb6 | 1631 | `DEL' (`dired-unmark-backward'), and `d' (`dired-flag-file-deletion') |
f938eda9 | 1632 | mark/unmark/flag all files in the active region. |
2f940384 | 1633 | |
88c45e34 | 1634 | *** The minibuffer default for `=' (`dired-diff') has changed. |
f938eda9 CY |
1635 | It is now the backup file for the file at point, if one exists. |
1636 | In Transient Mark mode the default is the file at the active mark. | |
2f940384 | 1637 | |
f938eda9 CY |
1638 | *** `M-=' is no longer bound to `dired-backup-diff' in Dired buffers. |
1639 | The global binding for `M-=', `count-words-region' is in effect. | |
1640 | ||
02969baf GM |
1641 | ** ERC |
1642 | ||
6e5e9b70 GM |
1643 | *** New module "notifications", which can send a notification when you |
1644 | receive a private message or your nickname is mentioned. | |
02969baf GM |
1645 | |
1646 | *** ERC will look up server/channel names via auth-source and use any | |
1647 | channel keys found. | |
f938eda9 | 1648 | |
274f5de6 GM |
1649 | *** New option `erc-lurker-hide-list', similar to `erc-hide-list', but |
1650 | only applies to messages sent by lurkers. | |
f925b109 | 1651 | |
6bc66c10 | 1652 | ** reStructuredText mode |
f938eda9 | 1653 | |
6bc66c10 GM |
1654 | *** Keybindings (see `C-c C-h'), TAB indentation, filling and auto-filling, |
1655 | fontification, comment handling, and customization have all been revised | |
1656 | and improved. | |
f938eda9 | 1657 | |
6bc66c10 | 1658 | *** Support for `imenu' and `which-function-mode'. |
f938eda9 | 1659 | |
6bc66c10 GM |
1660 | *** The reStructuredText syntax is more closely covered. |
1661 | Sphinx support has been improved. | |
f938eda9 | 1662 | |
6bc66c10 | 1663 | *** `rst-insert-list' inserts new list or continues existing lists. |
f938eda9 | 1664 | |
6bc66c10 | 1665 | *** A negative prefix argument always works for `rst-adjust'. |
f938eda9 | 1666 | |
6bc66c10 | 1667 | *** The window configuration is reset after displaying a TOC. |
bc7be45d | 1668 | |
6bc66c10 | 1669 | *** The constant `rst-version' describes the rst.el package version. |
358c19d9 | 1670 | |
dba3cda3 GM |
1671 | ** Ruby mode |
1672 | ||
1673 | *** Support for percent literals and recognition of regular expressions | |
1674 | in method calls without parentheses with more methods, including Cucumber | |
1675 | steps definitions. | |
1676 | ||
1677 | *** Improved syntax highlighting and indentation. | |
1678 | ||
1679 | *** New command `ruby-toggle-block', bound to `C-c {'. | |
1680 | ||
1681 | *** Some non-standard keybindings/commands have been removed: | |
1682 | ||
1683 | **** `ruby-electric-brace'; use `electric-indent-mode' instead. | |
1684 | ||
1685 | **** `ruby-mark-defun'; use `mark-defun'. | |
1686 | ||
1687 | **** `ruby-beginning-of-defun' and `ruby-end-of-defun' are replaced by | |
1688 | appropriate settings for the variables `beginning-of-defun-function' | |
1689 | and `end-of-defun-function'. | |
1690 | ||
1691 | **** Non-standard keybindings for `backward-kill-word', `comment-region', | |
1692 | `reindent-then-newline-and-indent' and `newline' have been removed. | |
1693 | ||
6bc66c10 | 1694 | ** Shell Script mode |
40d8bcb8 | 1695 | |
6bc66c10 | 1696 | *** Pairing of parens/quotes uses `electric-pair-mode' instead of skeleton-pair. |
40d8bcb8 | 1697 | |
6bc66c10 | 1698 | *** `sh-electric-here-document-mode' now controls auto-insertion of here-docs. |
40d8bcb8 | 1699 | |
6bc66c10 | 1700 | *** `sh-use-smie' lets you choose a new indentation and navigation code. |
40d8bcb8 | 1701 | |
6bc66c10 | 1702 | ** VHDL mode |
40d8bcb8 | 1703 | |
6bc66c10 | 1704 | *** The free software compiler GHDL is supported (and now the default). |
40d8bcb8 | 1705 | |
6bc66c10 | 1706 | *** Support for the VHDL-AMS packages has been added/updated. |
40d8bcb8 | 1707 | |
6bc66c10 | 1708 | *** Updated to the 2002 revision of the VHDL standard. |
40d8bcb8 | 1709 | |
6bc66c10 | 1710 | *** Accepts \r and \f as whitespace. |
40d8bcb8 | 1711 | |
6bc66c10 | 1712 | ** Apropos |
40d8bcb8 | 1713 | |
6bc66c10 GM |
1714 | *** The faces used by Apropos are now directly customizable. |
1715 | These faces are named `apropos-symbol', `apropos-keybinding', and so on; | |
1716 | see the `apropos' Custom group for details. | |
d13c8be6 | 1717 | |
6bc66c10 GM |
1718 | *** The old options whose values specified faces to use have been removed |
1719 | (i.e. `apropos-symbol-face', `apropos-keybinding-face', etc.). | |
d13c8be6 | 1720 | |
6bc66c10 | 1721 | ** Buffer Menu |
d13c8be6 | 1722 | |
6bc66c10 | 1723 | *** This package has been rewritten to use Tabulated List mode. |
d13c8be6 | 1724 | |
6bc66c10 GM |
1725 | *** Option `Buffer-menu-buffer+size-width' is now obsolete. |
1726 | Use `Buffer-menu-name-width' and `Buffer-menu-size-width' instead. | |
d13c8be6 | 1727 | |
86e100a6 GM |
1728 | ** Calc |
1729 | ||
1730 | *** Algebraic simplification mode is now the default. | |
1731 | To restrict to the limited simplifications given by the former | |
1732 | default simplification mode, use `m I'. | |
1733 | ||
6bc66c10 | 1734 | ** Calendar |
d13c8be6 | 1735 | |
6bc66c10 GM |
1736 | *** You can customize the header text that appears above each calendar month. |
1737 | See the variable `calendar-month-header'. | |
d13c8be6 | 1738 | |
6bc66c10 | 1739 | *** New LaTeX calendar style, produced by `cal-tex-cursor-week2-summary'. |
ee97deee | 1740 | |
6bc66c10 GM |
1741 | *** The calendars produced by cal-html include holidays. |
1742 | Customize `cal-html-holidays' to change this. | |
8b0823d6 | 1743 | |
0058cae2 GM |
1744 | ** CEDET |
1745 | ||
1746 | *** The major modes from the parser generators "Bovine" and "Wisent" | |
1747 | are now properly integrated in Emacs. The file suffixes ".by" and ".wy" | |
1748 | are in `auto-mode-alist', and the corresponding manuals are included. | |
1749 | ||
1750 | *** EDE | |
1751 | ||
1752 | **** Menu support for the "Configuration" feature. This allows users to | |
1753 | choose the active configuration (such as debug or install) from the menu. | |
1754 | ||
1755 | **** New command `ede-set' to interactively set project-local variables. | |
1756 | ||
1757 | **** Support for compiling, debugging, and running in "generic" projects. | |
1758 | ||
1759 | **** Autoconf editing support for M4 macros with complex arguments. | |
1760 | ||
1761 | **** Compilation support for the "linux" project type. | |
1762 | ||
1763 | **** "simple" projects have been removed; use "generic" projects instead. | |
1764 | ||
1765 | *** Semantic | |
1766 | ||
1767 | **** Support for parsing #include statements inside a namespace in C/C++. | |
1768 | ||
1769 | **** Improved support for 'extern "C"' declarations in C/C++. | |
1770 | ||
1771 | **** The ability to ignore more common special C/C++ preprocessor symbols, | |
1772 | such as '__nonnull' and '__asm'. Add '__cplusplus' macro when parsing C++. | |
1773 | If available, include cdefs.h as an additional source of preprocessor symbols. | |
1774 | ||
1775 | **** Improved C/C++ function pointer parsing. | |
1776 | ||
1777 | **** In Python, support for converting imports to include file names. | |
1778 | ||
1779 | **** Ability to dynamically determine the Python load path. | |
1780 | ||
1781 | **** Support for the Python 'WITH' and 'AT' keywords. | |
1782 | ||
1783 | **** Improved tooltip completion. | |
1784 | ||
1785 | *** SRecode | |
1786 | ||
1787 | **** The SRecode manual is now included. | |
1788 | ||
1789 | **** Tag generation supports constructor/destructor settings and system | |
1790 | include differentiation. | |
1791 | ||
1792 | **** Addition of 'Framework' support: Frameworks are specified when a | |
1793 | particular kind of library (such as Android) is needed in a common language | |
1794 | mode (like Java). | |
1795 | ||
1796 | **** Support for nested templates and let variables override based on priority. | |
1797 | ||
1798 | **** Support for merging tables from multiple related modes, such as | |
1799 | default -> c++ -> arduino. | |
1800 | ||
6bc66c10 | 1801 | ** Compile has a new option `compilation-always-kill'. |
42917e79 | 1802 | |
6bc66c10 | 1803 | ** Customize |
35d98877 | 1804 | |
6bc66c10 | 1805 | *** `custom-reset-button-menu' now defaults to t. |
35d98877 | 1806 | |
6bc66c10 GM |
1807 | *** Non-option variables are never matched in `customize-apropos' and |
1808 | `customize-apropos-options' (i.e., the prefix argument does nothing for | |
1809 | these commands now). | |
782fbf2a | 1810 | |
f938eda9 | 1811 | ** Term |
782fbf2a | 1812 | |
823b2fb6 GM |
1813 | *** The variables `term-default-fg-color' and `term-default-bg-color' |
1814 | are now deprecated in favor of the customizable face `term'. | |
fc72b15c | 1815 | |
02969baf GM |
1816 | *** You can customize how to display ANSI terminal colors and styles |
1817 | by customizing the corresponding `term-color-<COLOR>', | |
1818 | `term-color-underline' and `term-color-bold' faces. | |
cf20dee0 | 1819 | |
05ecb497 | 1820 | ** Tramp |
2f940384 | 1821 | |
02969baf | 1822 | *** The syntax has been extended in order to allow ad-hoc proxy definitions. |
05ecb497 | 1823 | |
823b2fb6 | 1824 | *** Remote processes are now also supported on remote MS-Windows hosts. |
05ecb497 | 1825 | |
ce7b18ec | 1826 | ** URL |
2f940384 | 1827 | |
ce7b18ec CY |
1828 | *** Structs made by `url-generic-parse-url' have nil `attributes' slot. |
1829 | Previously, this slot stored semicolon-separated attribute-value pairs | |
1830 | appended to some imap URLs, but this is not compatible with RFC 3986. | |
823b2fb6 | 1831 | So now the `filename' slot stores the entire path and query components, |
ce7b18ec | 1832 | and the `attributes' slot is always nil. |
2f940384 | 1833 | |
ce7b18ec CY |
1834 | *** New function `url-encode-url' for encoding a URI string. |
1835 | The `url-retrieve' function now uses this to encode its URL argument, | |
1836 | in case that is not properly encoded. | |
1837 | ||
843571cb LMI |
1838 | *** New command `url-cookie-list' displays all the current cookies, and |
1839 | allows deleting selected cookies. | |
1840 | ||
6bc66c10 GM |
1841 | ** notifications.el supports now version 1.2 of the Notifications API. |
1842 | The function `notifications-get-capabilities' returns the supported | |
1843 | server properties. | |
f938eda9 | 1844 | |
6bc66c10 GM |
1845 | ** Flymake uses fringe bitmaps to indicate errors and warnings. |
1846 | See `flymake-fringe-indicator-position', `flymake-error-bitmap' and | |
1847 | `flymake-warning-bitmap'. | |
f938eda9 | 1848 | |
6bc66c10 GM |
1849 | ** The FFAP option `ffap-url-unwrap-remote' can now be a list of strings, |
1850 | specifying URL types that should be converted to remote file names at | |
1851 | the FFAP prompt. The default is now '("ftp"). | |
f938eda9 | 1852 | |
6bc66c10 GM |
1853 | ** New Ibuffer `derived-mode' filter, bound to `/ M'. |
1854 | The old binding for `/ M' (filter by used-mode) is now bound to `/ m'. | |
f938eda9 | 1855 | |
6bc66c10 GM |
1856 | ** New option `mouse-avoidance-banish-position' specifies where the |
1857 | `banish' mouse avoidance setting moves the mouse. | |
ce7b18ec | 1858 | |
6bc66c10 GM |
1859 | ** In Perl mode, new option `perl-indent-parens-as-block' causes non-block |
1860 | closing brackets to be aligned with the line of the opening bracket. | |
f938eda9 | 1861 | |
6bc66c10 | 1862 | ** In Proced mode, new command `proced-renice' renices marked processes. |
f938eda9 | 1863 | |
6bc66c10 GM |
1864 | ** New option `async-shell-command-buffer' specifies the buffer to use |
1865 | for a new asynchronous `shell-command' when the default output buffer | |
1866 | `*Async Shell Command*' is already in use. | |
f938eda9 | 1867 | |
6bc66c10 GM |
1868 | ** SQL mode has a new option `sql-db2-escape-newlines'. |
1869 | If non-nil, newlines sent to the command interpreter will be escaped | |
1870 | by a backslash. The default does not escape the newlines and assumes | |
1871 | that the sql statement will be terminated by a semicolon. | |
f938eda9 | 1872 | |
6bc66c10 GM |
1873 | ** New command `tabulated-list-sort', bound to `S' in Tabulated List mode |
1874 | (and modes that derive from it), sorts the column at point, or the Nth | |
1875 | column if a numeric prefix argument is given. | |
f938eda9 | 1876 | |
02969baf | 1877 | ** `which-func-modes' now defaults to t, so Which Function mode, when |
05b621a6 | 1878 | enabled, applies to all applicable major modes. |
f938eda9 | 1879 | |
6bc66c10 | 1880 | ** `winner-mode-hook' now runs when the mode is disabled, as well as when |
823b2fb6 | 1881 | it is enabled. |
f938eda9 | 1882 | |
6bc66c10 GM |
1883 | ** Follow mode no longer works by using advice. |
1884 | The option `follow-intercept-processes' has been removed. | |
1885 | ||
1886 | ** `javascript-generic-mode' is now an obsolete alias for `js-mode'. | |
f938eda9 | 1887 | |
d1069532 SM |
1888 | ** Hooks renamed to avoid obsolete "-hooks" suffix: |
1889 | *** semantic-lex-reset-hooks -> semantic-lex-reset-functions | |
1890 | *** semantic-change-hooks -> semantic-change-functions | |
1891 | *** semantic-edits-new-change-hooks -> semantic-edits-new-change-functions | |
1892 | *** semantic-edits-delete-change-hooks -> semantic-edits-delete-change-functions | |
1893 | *** semantic-edits-reparse-change-hooks -> semantic-edits-reparse-change-functions | |
1894 | *** semanticdb-save-database-hooks -> semanticdb-save-database-functions | |
1895 | *** c-prepare-bug-report-hooks -> c-prepare-bug-report-hook | |
1896 | *** rcirc-sentinel-hooks -> rcirc-sentinel-functions | |
1897 | *** rcirc-receive-message-hooks -> rcirc-receive-message-functions | |
1898 | *** rcirc-activity-hooks -> rcirc-activity-functions | |
1899 | *** rcirc-print-hooks -> rcirc-print-functions | |
1900 | *** dbus-event-error-hooks -> dbus-event-error-functions | |
1901 | *** eieio-pre-method-execution-hooks -> eieio-pre-method-execution-functions | |
1902 | *** checkdoc-style-hooks -> checkdoc-style-functions | |
1903 | *** checkdoc-comment-style-hooks -> checkdoc-comment-style-functions | |
1904 | *** archive-extract-hooks -> archive-extract-hook | |
1905 | *** filesets-cache-fill-content-hooks -> filesets-cache-fill-content-hook | |
1906 | *** hfy-post-html-hooks -> hfy-post-html-hook | |
1907 | *** nndiary-request-create-group-hooks -> nndiary-request-create-group-functions | |
1908 | *** nndiary-request-update-info-hooks -> nndiary-request-update-info-functions | |
1909 | *** nndiary-request-accept-article-hooks -> nndiary-request-accept-article-functions | |
1910 | *** gnus-subscribe-newsgroup-hooks -> gnus-subscribe-newsgroup-functions | |
f938eda9 | 1911 | |
6bc66c10 | 1912 | ** Obsolete packages |
2f940384 | 1913 | |
797e6e88 SM |
1914 | *** assoc.el |
1915 | In most cases, assoc+member+push+delq work just as well. | |
1916 | And in any case it's just a terrible package: ugly semantics, terrible | |
1917 | inefficiency, and not namespace-clean. | |
3c74813a | 1918 | *** bruce.el |
b4617547 | 1919 | *** cust-print.el |
daed4003 | 1920 | *** ledit.el |
82f289a4 | 1921 | *** mailpost.el |
d57de7fe | 1922 | *** mouse-sel.el |
3c74813a | 1923 | *** patcomp.el |
1a9c6830 | 1924 | |
a1ed8b05 | 1925 | \f |
2a1e2476 | 1926 | * Incompatible Lisp Changes in Emacs 24.3 |
b4d3bc10 | 1927 | |
6bc66c10 GM |
1928 | ** Docstrings starting with `*' no longer indicate user options. |
1929 | Only variables defined using `defcustom' are considered user options. | |
1930 | The function `user-variable-p' is now an obsolete alias for | |
1931 | `custom-variable-p'. | |
090cf9db | 1932 | |
6bc66c10 GM |
1933 | ** The return values of `defalias', `defun' and `defmacro' have changed, |
1934 | and are now undefined. For backwards compatibility, `defun' and | |
1935 | `defmacro' currently return the name of the newly defined | |
1936 | function/macro, but this should not be relied upon. | |
090cf9db | 1937 | |
823b2fb6 GM |
1938 | ** `random' by default now returns a different random sequence in |
1939 | every Emacs run. Use `(random S)', where S is a string, to set the | |
0e23ef9d PE |
1940 | random seed to a value based on S, in order to get a repeatable |
1941 | sequence in later calls. | |
1942 | ||
d32e47af LM |
1943 | ** If the NEWTEXT arg to `replace-match' contains a substring "\?", |
1944 | that substring is inserted literally even if the LITERAL arg is | |
1945 | non-nil, instead of causing an error to be signaled. | |
1946 | ||
2cec368c MR |
1947 | ** `select-window' now always makes the window's buffer current. |
1948 | It does so even if the window was selected before. | |
1949 | ||
6bc66c10 GM |
1950 | ** The function `x-select-font' can return a font spec, instead of a |
1951 | font name as a string. Whether it returns a font spec or a font name | |
1952 | depends on the graphical library. | |
bbf908bc | 1953 | |
eeddc531 CY |
1954 | ** `face-spec-set' no longer sets frame-specific attributes when the |
1955 | third argument is a frame (that usage was obsolete since Emacs 22.2). | |
1956 | ||
6bc66c10 | 1957 | ** `set-buffer-multibyte' now signals an error in narrowed buffers. |
a59d531e | 1958 | |
ab7f1c43 GM |
1959 | ** The CL package's `get-setf-method' function no longer exists. |
1960 | Generalized variables are now part of core Emacs Lisp, and implemented | |
1961 | differently to the way cl.el used to do it. It is not possible to | |
1962 | define a compatible replacement for `get-setf-method'. See the file | |
1963 | gv.el for internal details of the new implementation. | |
1964 | ||
6bc66c10 GM |
1965 | ** The arguments of `dbus-register-signal' are no longer just strings, |
1966 | but keywords or keyword-string pairs. The old argument list will | |
1967 | still be supported for Emacs 24.x. | |
72b255c7 | 1968 | |
6bc66c10 | 1969 | ** Miscellaneous name changes |
823b2fb6 GM |
1970 | Some Lisp symbols have been renamed to correct their spelling, |
1971 | or to be more consistent with standard Emacs terminology. | |
72b255c7 | 1972 | |
72b255c7 | 1973 | *** Renamed functions |
72b255c7 PE |
1974 | **** hangul-input-method-inactivate -> hangul-input-method-deactivate |
1975 | **** inactivate-input-method -> deactivate-input-method | |
1976 | **** quail-inactivate -> quail-deactivate | |
1977 | **** robin-inactivate -> robin-deactivate | |
1978 | **** viper-inactivate-input-method -> viper-deactivate-input-method | |
1979 | **** viper-inactivate-input-method-action -> | |
1980 | viper-deactivate-input-method-action | |
1981 | **** ucs-input-inactivate -> ucs-input-deactivate | |
1982 | ||
1983 | *** Renamed hooks | |
1984 | The old hooks are still supported for backward compatibility, but they | |
1985 | are deprecated and will be removed eventually. | |
72b255c7 PE |
1986 | **** input-method-inactivate-hook -> input-method-deactivate-hook |
1987 | **** robin-inactivate-hook -> robin-deactivate-hook | |
1988 | **** quail-inactivate-hook -> quail-deactivate-hook | |
1989 | ||
6bc66c10 | 1990 | *** Renamed variables |
72b255c7 PE |
1991 | **** follow-deactive-menu -> follow-inactive-menu |
1992 | **** inactivate-current-input-method-function -> | |
1993 | deactivate-current-input-method-function | |
1994 | ||
02969baf GM |
1995 | ** Some obsolete functions, variables, and faces have been removed: |
1996 | *** `last-input-char', `last-command-char', `unread-command-char' | |
78f3273a CY |
1997 | *** `facemenu-unlisted-faces' |
1998 | *** `rmail-decode-mime-charset' | |
a5f2b6ec CY |
1999 | *** `iswitchb-read-buffer' |
2000 | *** `sc-version', `sc-submit-bug-report' | |
2001 | *** `set-char-table-default' | |
02969baf | 2002 | *** `string-to-sequence' (use `string-to-list' or `string-to-vector') |
a5f2b6ec | 2003 | *** `compile-internal' |
02969baf | 2004 | *** `modeline' |
59f7af81 | 2005 | *** `mode-line-inverse-video' |
02969baf | 2006 | *** `follow-mode-off-hook' |
a5f2b6ec | 2007 | *** `cvs-commit-buffer-require-final-newline' |
63820c5c | 2008 | (use `log-edit-require-final-newline' instead) |
a5f2b6ec CY |
2009 | *** `cvs-changelog-full-paragraphs' |
2010 | (use `log-edit-changelog-full-paragraphs' instead) | |
2011 | *** `cvs-diff-ignore-marks', `cvs-diff-buffer-name' | |
2012 | *** `vc-ignore-vc-files' (use `vc-handled-backends' instead) | |
2013 | *** `vc-master-templates' (use `vc-handled-backends' instead) | |
2014 | *** `vc-checkout-carefully' | |
78f3273a | 2015 | |
a1ed8b05 | 2016 | \f |
93e0bed6 | 2017 | * Lisp Changes in Emacs 24.3 |
ef24141c | 2018 | |
2ee3d7f0 | 2019 | ** CL-style generalized variables are now in core Elisp. |
f938eda9 | 2020 | `setf' is autoloaded; `push' and `pop' accept generalized variables. |
ebdbfb95 GM |
2021 | You can define your own generalized variables using `gv-define-simple-setter', |
2022 | `gv-define-setter', etc. | |
2ee3d7f0 | 2023 | |
6bc66c10 GM |
2024 | ** Emacs tries to macroexpand interpreted (non-compiled) files during load. |
2025 | This can significantly speed up execution of non-byte-compiled code, | |
2026 | but can also bump into previously unnoticed cyclic dependencies. | |
2027 | These are generally harmless: they will simply cause the macro calls | |
2028 | to be left for later expansion (as before), but will result in a | |
2029 | warning ("Eager macro-expansion skipped due to cycle") describing the cycle. | |
2030 | You may wish to restructure your code so this does not happen. | |
2031 | ||
2032 | ** New sampling-based Elisp profiler. | |
2033 | Try M-x profiler-start, do some work, and then call M-x profiler-report. | |
2034 | When finished, use M-x profiler-stop. The sampling rate can be based on | |
2035 | CPU time or memory allocations. | |
2036 | ||
500fcedc SM |
2037 | ** `defun' also accepts a (declare DECLS) form, like `defmacro'. |
2038 | The interpretation of the DECLS is determined by `defun-declarations-alist'. | |
2039 | ||
6bc66c10 GM |
2040 | ** New macros `setq-local' and `defvar-local'. |
2041 | ||
2042 | ** Face underlining can now use a wave. | |
2f940384 | 2043 | |
6bc66c10 | 2044 | ** `read-regexp' has a new argument HISTORY; the first argument PROMPT |
cd996018 | 2045 | of `read-regexp' accepts a string ending with a colon and space, and its |
823b2fb6 | 2046 | second argument DEFAULTS can be a list of strings accessible via `M-n' |
cd996018 CY |
2047 | in the minibuffer ahead of other hard-coded useful regexp-related values. |
2048 | More commands use `read-regexp' now to read their regexp arguments. | |
2049 | ||
f938eda9 | 2050 | ** Completion |
500fcedc | 2051 | |
f938eda9 CY |
2052 | *** New function `completion-table-with-quoting' to handle completion |
2053 | in the presence of quoting, such as file completion in shell buffers. | |
f95e9344 | 2054 | |
f938eda9 CY |
2055 | *** New function `completion-table-subvert' to use an existing completion |
2056 | table, but with a different prefix. | |
2057 | ||
6bc66c10 | 2058 | ** Debugger |
f95e9344 | 2059 | |
f938eda9 CY |
2060 | *** New error type and new function `user-error'. |
2061 | These do not trigger the debugger. | |
f95e9344 | 2062 | |
57fc0fee GM |
2063 | *** New option `debugger-bury-or-kill', saying what to do with the |
2064 | debugger buffer when exiting debug. | |
45b82ad0 SM |
2065 | |
2066 | *** Set `debug-on-message' to enter the debugger when a certain | |
2067 | message is displayed in the echo area. This can be useful when trying | |
2068 | to work out which code is doing something. | |
2f940384 | 2069 | |
45b82ad0 SM |
2070 | *** New var `inhibit-debugger', automatically set to prevent accidental |
2071 | recursive invocations. | |
fa2bcf43 | 2072 | |
6bc66c10 | 2073 | ** Window handling |
2f940384 | 2074 | |
6bc66c10 GM |
2075 | *** New command `fit-frame-to-buffer' adjusts the frame height to |
2076 | fit the contents. | |
2f940384 | 2077 | |
6bc66c10 GM |
2078 | *** The command `fit-window-to-buffer' can adjust the frame height |
2079 | if the new option `fit-frame-to-buffer' is non-nil. | |
8e17c9ba | 2080 | |
7fe37cfc GM |
2081 | *** New macro `with-temp-buffer-window', similar to |
2082 | `with-output-to-temp-buffer'. | |
fa2bcf43 | 2083 | |
8e17c9ba MR |
2084 | *** `temp-buffer-resize-mode' no longer resizes windows that have been |
2085 | reused. | |
c5e28e39 | 2086 | |
823b2fb6 | 2087 | *** New option `switch-to-buffer-preserve-window-point' to restore a |
43bcfda6 | 2088 | window's point when switching buffers. |
7c82753d | 2089 | |
9139632a JL |
2090 | *** New display action function `display-buffer-no-window' to not |
2091 | display the buffer in a window. | |
2092 | ||
2093 | *** New display action alist entry `allow-no-window' to indicate the | |
f0cfa5fe | 2094 | caller of `display-buffer' is ready to handle the case of not |
9139632a | 2095 | displaying the buffer in a window. |
f0cfa5fe | 2096 | |
6bc66c10 GM |
2097 | *** New display action alist entries `window-height' and `window-width' |
2098 | specify the size of new windows created by `display-buffer'. | |
2099 | ||
2100 | *** New display action alist entry `pop-up-frame-parameters', if | |
2101 | non-nil, specifies frame parameters to give any newly-created frame. | |
7c82753d | 2102 | |
fa2bcf43 MR |
2103 | *** New display action alist entry `inhibit-switch-frame', if non-nil, |
2104 | tells display action functions to avoid changing which frame is | |
2105 | selected. | |
2f940384 | 2106 | |
fa2bcf43 MR |
2107 | *** New display action alist entry `previous-window', if non-nil, |
2108 | specifies window to reuse in `display-buffer-in-previous-window'. | |
2f940384 | 2109 | |
6bc66c10 GM |
2110 | *** New display action functions `display-buffer-below-selected', |
2111 | and `display-buffer-in-previous-window'. | |
2112 | ||
2113 | *** The functions `get-lru-window', `get-mru-window' and `get-largest-window' | |
2114 | now accept a third argument to avoid choosing the selected window. | |
2115 | ||
2116 | *** Additional values recognized for option `window-combination-limit'. | |
5938d519 | 2117 | |
77f1f99c CY |
2118 | *** The following variables are obsolete, as they can be replaced by |
2119 | appropriate entries in the `display-buffer-alist' function introduced | |
2120 | in Emacs 24.1: | |
823b2fb6 | 2121 | **** `dired-shrink-to-fit' |
77f1f99c | 2122 | **** `display-buffer-reuse-frames' |
823b2fb6 | 2123 | **** `display-buffer-function' |
77f1f99c | 2124 | **** `special-display-buffer-names' |
823b2fb6 | 2125 | **** `special-display-frame-alist' |
77f1f99c | 2126 | **** `special-display-function' |
823b2fb6 | 2127 | **** `special-display-regexps' |
77f1f99c | 2128 | |
ab0fa4e4 | 2129 | ** Time |
2f940384 | 2130 | |
ab0fa4e4 PE |
2131 | *** `current-time-string' no longer requires that its argument's year |
2132 | must be in the range 1000..9999. It now works with any year supported | |
2133 | by the underlying C implementation. | |
2f940384 | 2134 | |
f938eda9 CY |
2135 | *** `current-time' now returns extended-format time stamps |
2136 | (HIGH LOW USEC PSEC), where the new PSEC slot specifies picoseconds. | |
2137 | PSEC is typically a multiple of 1000 on current machines. Other | |
823b2fb6 GM |
2138 | functions that use this format, such as `file-attributes' and |
2139 | `format-time-string', have been changed accordingly. Old-format time | |
f938eda9 | 2140 | stamps are still accepted. |
2f940384 | 2141 | |
823b2fb6 | 2142 | *** The format of timers in `timer-list' and `timer-idle-list' is now |
f938eda9 CY |
2143 | [TRIGGERED-P HI-SECS LO-SECS USECS REPEAT-DELAY FUNCTION ARGS IDLE-DELAY PSECS]. |
2144 | The PSECS slot is new, and uses picosecond resolution. It can be | |
823b2fb6 | 2145 | accessed via the new `timer--psecs' accessor. |
2f940384 | 2146 | |
c4132fd4 PE |
2147 | *** Last-modified time stamps in undo lists now are of the form |
2148 | (t HI-SECS LO-SECS USECS PSECS) instead of (t HI-SECS . LO-SECS). | |
2149 | ||
0058cae2 GM |
2150 | ** EIEIO |
2151 | ||
2152 | *** Improved security when handling persistent objects: | |
2153 | ||
2154 | **** `eieio-persistent-read' now features optional arguments for specifying | |
2155 | the class to load, as well as a flag stating whether subclasses are allowed; | |
2156 | if provided, other classes will be rejected by the reader. For | |
2157 | compatibility with existing code, if the class is omitted only a | |
2158 | warning is issued. | |
2159 | ||
2160 | **** New specialized reader for pulling in classes and signaling errors | |
2161 | without evaluation of suspicious code. | |
2162 | ||
2163 | **** All slots that contain objects must have a :type. Slots with lists | |
2164 | of objects must use a new type predicate for a list of an object type. | |
2165 | ||
2166 | *** Support for `find-function' and similar utilities, through the addition | |
2167 | of filename support to generated symbols. | |
2168 | ||
f938eda9 | 2169 | ** Floating point functions now always return special values like NaN, |
823b2fb6 | 2170 | instead of signaling errors, if given invalid args; e.g., (log -1.0). |
f938eda9 CY |
2171 | Previously, they returned NaNs on some platforms but signaled errors |
2172 | on others. The affected functions are acos, asin, tan, exp, expt, | |
2173 | log, log10, sqrt, and mod. | |
2174 | ||
6bc66c10 | 2175 | ** New fringe bitmap `exclamation-mark'. |
f938eda9 | 2176 | |
6bc66c10 GM |
2177 | ** Miscellaneous changes to special forms and macros |
2178 | ||
2179 | *** `defun' and `defmacro' are now macros rather than special forms. | |
2180 | ||
2181 | *** `kbd' is now a function rather than a macro. | |
2182 | ||
2183 | ** Miscellaneous new functions | |
2184 | ||
8cd22a08 CY |
2185 | *** `set-transient-map' sets up a temporary keymap, active for one key |
2186 | (and optionally more). This keymap takes precedence over other maps. | |
f938eda9 | 2187 | |
847a0561 | 2188 | *** `autoloadp' tests if its argument is an autoloaded object. |
2f940384 | 2189 | |
847a0561 | 2190 | *** `autoload-do-load' performs the autoloading operation. |
2f940384 | 2191 | |
f938eda9 | 2192 | *** `buffer-narrowed-p' tests if the buffer is narrowed. |
2f940384 | 2193 | |
f938eda9 | 2194 | *** `file-name-base' returns a file name sans directory and extension. |
2f940384 | 2195 | |
f938eda9 | 2196 | *** `function-get' fetches a function property, following aliases. |
c990426a | 2197 | |
f938eda9 | 2198 | *** `posnp' tests if an object is a `posn'. |
f938eda9 | 2199 | |
f938eda9 | 2200 | *** `system-users' returns the user names on the system. |
547d6865 | 2201 | |
f938eda9 | 2202 | *** `system-groups' returns the group names on the system. |
f938eda9 | 2203 | |
f938eda9 | 2204 | *** `tty-top-frame' returns the topmost frame of a text terminal. |
c990426a | 2205 | |
f938eda9 | 2206 | ** The following functions and variables are obsolete: |
847a0561 | 2207 | *** `automount-dir-prefix' (use `directory-abbrev-alist') |
f938eda9 | 2208 | *** `buffer-has-markers-at' |
1a9c6830 | 2209 | *** `macro-declaration-function' (use `macro-declarations-alist') |
847a0561 | 2210 | *** `window-system-version' (provides no useful information) |
93cacb6d | 2211 | *** `dired-pop-to-buffer' (use `dired-mark-pop-up') |
0e2ae83d | 2212 | *** `query-replace-interactive' |
49238e7f | 2213 | *** `font-list-limit' (has had no effect since Emacs < 23) |
86aa551c | 2214 | |
adce950d | 2215 | \f |
93e0bed6 | 2216 | * Changes in Emacs 24.3 on Non-Free Operating Systems |
9078ead6 | 2217 | |
4e98ad15 | 2218 | ** Cygwin builds can use the native MS Windows user interface. |
823b2fb6 | 2219 | Pass `--with-w32' to configure. The default remains the X11 interface. |
53a63be6 | 2220 | |
1a9c6830 | 2221 | ** Two new functions are available in Cygwin builds: |
6e9f7997 DC |
2222 | `cygwin-convert-file-name-from-windows' and |
2223 | `cygwin-convert-file-name-to-windows'. These functions allow Lisp | |
2224 | code to access the Cygwin file-name mapping machinery to convert | |
2225 | between Cygwin and Windows-native file and directory names. | |
de6e3a60 | 2226 | |
4e98ad15 | 2227 | ** When invoked with the -nw switch to run on the Windows text-mode terminal, |
1ab0c851 | 2228 | Emacs now supports `mouse-highlight', help-echo (in the echo area), and |
4e98ad15 GM |
2229 | `mouse-autoselect-window'. |
2230 | ||
1a9c6830 | 2231 | ** On MS Windows Vista and later Emacs now supports symbolic links. |
4e98ad15 | 2232 | |
823b2fb6 | 2233 | ** On MS Windows, you can pass `--without-libxml2' to configure.bat to omit |
4e98ad15 GM |
2234 | support for libxml2, even if its presence is detected. |
2235 | ||
4e98ad15 GM |
2236 | ** On Mac OS X, the Nextstep port requires OS X 10.4 or later. |
2237 | ||
823b2fb6 | 2238 | ** On Mac OS X, configure no longer automatically adds the Fink "/sw" |
4e98ad15 GM |
2239 | directories to the search path. You must add them yourself if you want them. |
2240 | ||
2a1e2476 GM |
2241 | \f |
2242 | * Changes in Emacs 24.2 | |
2243 | ||
5190da91 | 2244 | ** This is mainly a bug-fix release. |
6dad7178 | 2245 | |
9078ead6 | 2246 | \f |
eb199145 | 2247 | * Installation Changes in Emacs 24.1 |
09e18d03 | 2248 | |
31fd3586 GM |
2249 | ** Emacs can be compiled with Gtk+ 3.0 if you pass --with-x-toolkit=gtk3 |
2250 | to configure. Note that other libraries used by Emacs, RSVG and GConf, | |
2251 | also depend on Gtk+. You can disable them with --without-rsvg and | |
2252 | --without-gconf. | |
338648ad | 2253 | |
31fd3586 GM |
2254 | ** Emacs can be compiled with GnuTLS support. |
2255 | This happens by default if a suitably recent version of the library is | |
2256 | found at build time. To prevent this, use the configure option | |
2257 | `--without-gnutls'. See below for GnuTLS features. | |
338648ad | 2258 | |
31fd3586 GM |
2259 | ** Emacs can be compiled with SELinux support. |
2260 | This happens by default if a suitably recent version of the library is | |
2261 | found at build time. To prevent this, use the configure option | |
2262 | `--without-selinux'. See below for SELinux features. | |
aded53ff | 2263 | |
31fd3586 GM |
2264 | ** Emacs can be compiled with ImageMagick support. |
2265 | This happens by default if a suitably recent version of the library is | |
2266 | found at build time. To prevent this, use the configure option | |
2267 | `--without-imagemagick'. See below for ImageMagick features. | |
c1f10868 | 2268 | This feature is not available for the Nextstep or MS ports. |
d9170db5 | 2269 | |
043efd56 GM |
2270 | ** Emacs can be compiled with libxml2 support. |
2271 | This happens by default if a suitably recent version of the library is | |
2272 | found at build time. To prevent this, use the configure option | |
2273 | `--without-xml2'. See below for libxml2 features. | |
2274 | ||
7d301ae6 CY |
2275 | ** By default, the installed Info and man pages are compressed. |
2276 | You can disable this by configuring --without-compress-info. | |
2277 | ||
7d301ae6 | 2278 | ** New configure option --with-wide-int. |
81eafe29 | 2279 | With it, Emacs integers typically have 62 bits, even on 32-bit machines. |
0a768890 PE |
2280 | On 32-bit hosts, this raises the limit on buffer sizes from about 512 MiB |
2281 | to about 2 GiB. | |
81eafe29 | 2282 | |
7d301ae6 | 2283 | ** New configure options: --with-mmdf, --with-mail-unlink, --with-mailhost. |
31fd3586 GM |
2284 | These provide no new functionality, they just remove the need to edit |
2285 | lib-src/Makefile by hand in order to use the associated features. | |
2286 | ||
7d301ae6 | 2287 | ** New configure option --enable-use-lisp-union-type. |
31fd3586 GM |
2288 | This is only useful for Emacs developers to debug certain types of bugs. |
2289 | This is not a new feature; only the configure flag is new. | |
041d709f CY |
2290 | |
2291 | ** The standalone programs digest-doc and sorted-doc are removed. | |
2292 | Emacs now uses Lisp commands `doc-file-to-man' and `doc-file-to-info'. | |
2293 | ||
041d709f CY |
2294 | ** The standalone program `fakemail' is removed. |
2295 | If you need it, feedmail.el provides a superset of the functionality. | |
2296 | ||
0bfd685e | 2297 | \f |
eb199145 | 2298 | * Startup Changes in Emacs 24.1 |
4a263588 | 2299 | |
198a7a97 | 2300 | ** The --unibyte, --multibyte, --no-multibyte, and --no-unibyte |
adbf62ff GM |
2301 | command line arguments, and the EMACS_UNIBYTE environment variable, no |
2302 | longer have any effect. (They were declared obsolete in Emacs 23.) | |
198a7a97 | 2303 | |
66b7b0fe | 2304 | ** New command line option `--no-site-lisp' removes site-lisp directories |
1b5e5b0c GM |
2305 | from load-path. -Q now implies this. This option does not affect the |
2306 | EMACSLOADPATH environment variable (and hence has no effect for | |
c8d59ba3 | 2307 | Nextstep builds). |
66b7b0fe | 2308 | |
0bfd685e | 2309 | \f |
eb199145 | 2310 | * Changes in Emacs 24.1 |
7841339b | 2311 | |
a2a25d24 | 2312 | ** Completion |
fdeb32ec | 2313 | |
dfdb4cad CY |
2314 | *** Many packages now use the `completion-at-point' command, |
2315 | rather than implementing separate completion commands. | |
2316 | ||
de0bde62 | 2317 | *** `completion-at-point' now handles tags and semantic completion. |
dfdb4cad | 2318 | |
a2a25d24 SM |
2319 | *** Completion in a non-minibuffer now tries to detect the end of completion |
2320 | and pops down the *Completions* buffer accordingly. | |
dfdb4cad CY |
2321 | |
2322 | *** New option `completion-cycle-threshold' allows completion cycling. | |
2323 | ||
2324 | *** New option `completion-category-overrides' for overriding the | |
2c719188 | 2325 | default completion style in certain circumstances. |
dfdb4cad | 2326 | |
a2a25d24 | 2327 | *** New completion style `substring'. |
dfdb4cad CY |
2328 | |
2329 | *** Completion of buffer names uses `substring' completion by default. | |
2330 | ||
2331 | *** The option `widget-complete-field' has been removed. | |
620c53a6 | 2332 | |
6870aaef | 2333 | ** Mail changes |
dfdb4cad | 2334 | |
7d301ae6 CY |
2335 | *** The first time you try sending mail, Emacs asks for a mail method. |
2336 | This is implemented by a new default for `send-mail-function', which | |
2337 | is `sendmail-query-once'. This offers to use the smtpmail package, or | |
2338 | to use the old defaults relying on external mail facilities | |
2339 | (`sendmail-send-it' on GNU/Linux and other Unix-like systems, and | |
2340 | `mailclient-send-it' on Windows). | |
dfdb4cad | 2341 | |
e78e7e48 CY |
2342 | *** Typing `C-c m' in the buffer made by `M-x report-emacs-bug' |
2343 | transfers the report to your desktop's preferred mail client, if there | |
2344 | is one. This uses either the "xdg-email" utility, or Mac OS's "open" | |
2345 | command. | |
dfdb4cad | 2346 | |
7d301ae6 CY |
2347 | *** See Changes in Specialized Modes and Packages for SMTPmail changes |
2348 | and Mail mode changes | |
3f88cd72 | 2349 | |
041d709f | 2350 | ** Emacs server and client changes |
dfdb4cad | 2351 | |
7d301ae6 | 2352 | *** New option `server-port' specifies the port for TCP Emacs servers. |
dfdb4cad | 2353 | |
041d709f | 2354 | *** New emacsclient argument -q/--quiet suppresses some status messages. |
dfdb4cad | 2355 | |
7d301ae6 CY |
2356 | *** New emacsclient argument --frame-parameters specifies the frame |
2357 | parameters of any newly-created graphical frame. | |
dfdb4cad CY |
2358 | |
2359 | *** If emacsclient shuts down due to Emacs signaling an error, | |
2360 | its exit status is 1. | |
2361 | ||
041d709f CY |
2362 | *** New emacsclient argument --parent-id ID. |
2363 | This opens a client frame in parent X window ID, via XEmbed, similar | |
2364 | to the --parent-id argument to Emacs. | |
2365 | ||
d0ce9f8c MB |
2366 | ** Internationalization changes |
2367 | ||
d0ce9f8c | 2368 | *** Emacs now supports display and editing of bidirectional text. |
7d301ae6 CY |
2369 | Right-to-left (RTL) scripts, such as Arabic, Farsi, and Hebrew, are |
2370 | displayed in the correct visual order as expected by users of those | |
dfdb4cad CY |
2371 | scripts. The display reordering is a "full bidirectionality" class |
2372 | implementation of the Unicode Bidirectional Algorithm (UBA). Buffers | |
2373 | with no RTL text should look exactly the same as before. | |
f4b6ba46 | 2374 | |
041d709f | 2375 | **** New buffer-local variable `bidi-display-reordering'. |
7d301ae6 | 2376 | To disable display reordering in a buffer, change this to nil. |
d20e1419 | 2377 | |
041d709f CY |
2378 | **** New buffer-local variable `bidi-paragraph-direction'. |
2379 | If nil (the default), Emacs determines the base direction of each | |
dfdb4cad CY |
2380 | paragraph from its text, as specified by the UBA. Setting the value |
2381 | to `right-to-left' or `left-to-right' forces a base direction on each | |
2382 | paragraph. | |
f4b6ba46 | 2383 | |
7d301ae6 CY |
2384 | Paragraphs with right-to-left base direction are displayed starting at |
2385 | the right window edge. | |
f1816485 | 2386 | |
dfdb4cad CY |
2387 | *** Enhanced support for characters with no glyphs in available fonts, |
2388 | or, on text terminals, characters that cannot be encoded by the | |
2389 | terminal coding system. The new option `glyphless-char-display-control' | |
2390 | specifies how to display them: as a hexadecimal code in a box, a thin | |
2391 | 1-pixel space, an empty box, etc. | |
d0ce9f8c | 2392 | |
9702b7a1 GM |
2393 | *** New input methods for Farsi and Bulgarian |
2394 | (farsi-isiri-9147, farsi-transliterate-banan, bulgarian-alt-phonetic). | |
041d709f | 2395 | |
939db9ac CY |
2396 | *** `nobreak-char-display' now also highlights Unicode hyphen chars |
2397 | (U+2010 and U+2011). | |
2398 | ||
7d301ae6 | 2399 | *** New Hebrew translation of the Emacs Tutorial. |
31fd3586 GM |
2400 | Type `C-u C-h t' to choose it in case your language setup doesn't |
2401 | automatically select it. | |
2402 | ||
7d301ae6 CY |
2403 | ** An Emacs Lisp package manager is now included. |
2404 | This is a convenient way to download and install additional packages, | |
2405 | from a package repository at http://elpa.gnu.org. | |
dfdb4cad | 2406 | |
7d301ae6 CY |
2407 | *** M-x list-packages shows a list of packages, which can be |
2408 | selected for installation. | |
dfdb4cad | 2409 | |
7d301ae6 | 2410 | *** New command `describe-package', bound to `C-h P'. |
dfdb4cad | 2411 | |
7d301ae6 CY |
2412 | *** By default, all installed packages are loaded automatically when |
2413 | Emacs starts up. To disable this, set `package-enable-at-startup' to | |
2414 | nil. To specify the packages to load, customize `package-load-list'. | |
16a91140 | 2415 | |
dfdb4cad CY |
2416 | ** Custom theme changes |
2417 | ||
7d301ae6 CY |
2418 | *** New command `M-x customize-themes', which provides a convenient |
2419 | interface for enabling and disabling Custom themes. | |
dfdb4cad | 2420 | |
7d301ae6 | 2421 | *** New option `custom-theme-load-path' is the load path for themes. |
dfdb4cad CY |
2422 | Emacs no longer looks for Custom themes in `load-path'. The default |
2423 | value of `custom-theme-load-path' says to look for themes in | |
2424 | `custom-theme-directory', followed by a subdirectory of | |
2425 | `data-directory' named "themes/", which contains a small selection of | |
2426 | built-in Custom themes. | |
2427 | ||
7d301ae6 CY |
2428 | *** New option `custom-safe-themes' records known-safe theme files. |
2429 | If a theme is not in this list, Emacs queries before loading it, and | |
2430 | offers to save the theme to `custom-safe-themes' automatically. By | |
2431 | default, all themes included in Emacs are treated as safe. | |
b7d65a5f | 2432 | |
7d301ae6 | 2433 | ** Improved GTK integration |
dfdb4cad | 2434 | |
7d301ae6 | 2435 | *** GTK scroll-bars are now placed on the right by default. |
dfdb4cad CY |
2436 | The function `set-scroll-bar-mode' can change this. |
2437 | ||
7d301ae6 | 2438 | *** GTK tool bars can have just text, just images or images and text. |
dfdb4cad CY |
2439 | Customize `tool-bar-style' to choose the style. On a Gnome desktop, |
2440 | the default is taken from desktop settings. | |
2441 | ||
2442 | *** GTK tool bars can be placed on any edge of the frame. | |
7d301ae6 CY |
2443 | The frame-parameter tool-bar-position controls this. It takes the |
2444 | values top, left, right or bottom. The Options => Show/Hide menu has | |
2445 | entries for this. | |
dfdb4cad | 2446 | |
7d301ae6 CY |
2447 | *** The default colors for selected text (the `region' face) are taken |
2448 | from the GTK theme when Emacs is built with GTK. | |
dfdb4cad | 2449 | |
7d301ae6 CY |
2450 | *** Emacs uses GTK tooltips by default if built with GTK. |
2451 | You can disable this by changing `x-gtk-use-system-tooltips' to nil. | |
a5bee597 | 2452 | |
dfdb4cad CY |
2453 | ** Graphical interface changes |
2454 | ||
2455 | *** On graphical displays, the mode-line no longer ends in dashes. | |
2456 | Also, the first dash (which does not indicate anything) is just | |
2457 | displayed as a space. | |
2458 | ||
2459 | *** `menu-bar-select-buffer-function' lets you choose another operation | |
2460 | instead of `switch-to-buffer' when selecting an item in the Buffers menu. | |
2461 | ||
2462 | *** Lucid menus and dialogs can display antialiased fonts if Emacs is | |
2463 | built with Xft. These fonts can be set via X resources, for example: | |
2464 | Emacs.pane.menubar.font: Courier-12 | |
2465 | ||
7d301ae6 | 2466 | ** Exiting changes |
dfdb4cad | 2467 | |
7d301ae6 | 2468 | *** Emacs now calls `kill-emacs' if it receives SIGTERM or SIGHUP, |
dfdb4cad CY |
2469 | or if it receives a SIGINT signal in batch mode. |
2470 | ||
7d301ae6 CY |
2471 | *** `kill-emacs-hook' is now also run in batch mode. |
2472 | Third-party code which adds to `kill-emacs-hook' should check if they | |
2473 | do the right thing in batch mode. | |
9c524fcb | 2474 | |
041d709f | 2475 | ** Scrolling changes |
dfdb4cad | 2476 | |
041d709f | 2477 | *** New scrolling commands `scroll-up-command' and `scroll-down-command' |
0a19a6f8 | 2478 | (bound to C-v/[next] and M-v/[prior]) do not signal errors at top/bottom |
7d301ae6 | 2479 | of buffer at first key-press (instead they move to top/bottom of buffer) |
550f41cd | 2480 | when `scroll-error-top-bottom' is non-nil. |
dfdb4cad CY |
2481 | |
2482 | *** New option `scroll-error-top-bottom' (see above). | |
2483 | ||
041d709f | 2484 | *** New scrolling commands `scroll-up-line' and `scroll-down-line' |
5a97d2da | 2485 | scroll a line instead of full screen. |
dfdb4cad | 2486 | |
041d709f | 2487 | *** New property `scroll-command' should be set on a command's symbol to |
b2957ea8 | 2488 | define it as a scroll command affected by `scroll-preserve-screen-position'. |
dfdb4cad | 2489 | |
041d709f | 2490 | *** If you customize `scroll-conservatively' to a value greater than 100, |
d0f69533 EZ |
2491 | Emacs will never recenter point in the window when it scrolls due to |
2492 | cursor motion commands or commands that move point (e.f., `M-g M-g'). | |
2493 | Previously, you needed to use `most-positive-fixnum' as the value of | |
2494 | `scroll-conservatively' to achieve the same effect. | |
dfdb4cad | 2495 | |
7d301ae6 | 2496 | *** "Aggressive" scrolling now honors the scroll margins. |
d0f69533 EZ |
2497 | If you customize `scroll-up-aggressively' or |
2498 | `scroll-down-aggressively' and move point off the window, Emacs now | |
2499 | scrolls the window so as to avoid positioning point inside the scroll | |
2500 | margin. | |
2501 | ||
7d301ae6 CY |
2502 | ** Basic SELinux support has been added. |
2503 | This requires Emacs to be linked with libselinux at build time. | |
f1a5d776 | 2504 | |
dfdb4cad CY |
2505 | *** Emacs preserves the SELinux file context when backing up. |
2506 | Also, the function `copy-file' has an extra optional argument for | |
2507 | preserving SELinux context, and the return value of `backup-buffer' | |
2508 | now includes the SELinux context. | |
f0bf7c8e | 2509 | |
dfdb4cad | 2510 | *** New functions `file-selinux-context' and `set-file-selinux-context' |
7d301ae6 | 2511 | get and set the SELinux context of a file. |
44198b6e | 2512 | |
7d301ae6 | 2513 | ** Trash changes |
dfdb4cad | 2514 | |
7d301ae6 CY |
2515 | *** `delete-by-moving-to-trash' now only affects commands that specify |
2516 | trashing. This avoids inadvertently trashing temporary files. | |
dfdb4cad | 2517 | |
7d301ae6 CY |
2518 | *** Calling `delete-file' or `delete-directory' with a prefix argument |
2519 | now forces true deletion, regardless of `delete-by-moving-to-trash'. | |
278f6845 | 2520 | |
041d709f | 2521 | ** File- and directory-local variable changes |
dfdb4cad | 2522 | |
041d709f CY |
2523 | *** You can stop directory local vars from applying to subdirectories. |
2524 | Add an element (subdirs . nil) to the alist portion of any variables | |
2525 | settings to indicate that the section should not apply to | |
2526 | subdirectories. | |
dfdb4cad | 2527 | |
041d709f CY |
2528 | *** Directory local variables can apply to some file-less buffers. |
2529 | Affected modes include dired, vc-dir, and log-edit. For example, | |
2530 | adding "(diff-mode . ((mode . whitespace)))" to .dir-locals.el will | |
2531 | turn on `whitespace-mode' for *vc-diff* buffers. Modes should call | |
2532 | `hack-dir-local-variables-non-file-buffer' to support this. | |
dfdb4cad | 2533 | |
041d709f CY |
2534 | *** Using "mode: MINOR-MODE" to enable a minor mode is deprecated. |
2535 | Instead, use "eval: (minor-mode 1)". | |
c136e5cd | 2536 | |
7b447e9b GM |
2537 | *** The variable `inhibit-first-line-modes-regexps' has been renamed |
2538 | to `inhibit-local-variables-regexps'. As the name suggests, it now | |
dfdb4cad CY |
2539 | applies to ALL file local variables, not just -*- lines. The |
2540 | associated `inhibit-first-line-modes-suffixes' has been renamed in the | |
2541 | corresponding way. | |
5d907d6c | 2542 | |
0a2132ba CY |
2543 | ** Window changes |
2544 | ||
91b65361 CY |
2545 | *** The `quit-window' command now restores the last buffer displayed |
2546 | in the quitted window. | |
2547 | ||
0a2132ba CY |
2548 | *** Resizing an Emacs frame now preserves proportional window sizes, |
2549 | modulo restrictions like window minimum sizes and fixed-size windows. | |
2550 | ||
2551 | *** The behavior of `display-buffer' is now customizable in detail. | |
dfdb4cad | 2552 | |
0a2132ba CY |
2553 | **** New option `display-buffer-base-action' specifies a list of |
2554 | user-determined display "actions" (functions and optional arguments | |
2555 | for choosing the displaying window). | |
2556 | ||
2557 | This takes precedence over the default display action, which is | |
2558 | specified by `display-buffer-fallback-action'. | |
2559 | ||
2560 | **** New option `display-buffer-alist' maps buffer name regexps to | |
2561 | display actions, taking precedence over `display-buffer-base-action'. | |
2562 | ||
a0c2d0ae MR |
2563 | *** New option `window-combination-limit'. |
2564 | The new option `window-combination-limit' allows to return the space | |
2565 | obtained for resizing or creating a window more reliably to the window | |
2566 | from which such space was obtained. | |
0a2132ba | 2567 | |
a0c2d0ae MR |
2568 | *** New option `window-combination-resize'. |
2569 | The new option `window-combination-resize' allows to split a window that | |
2570 | otherwise cannot be split because it's too small by stealing space from | |
2571 | other windows in the same combination. Subsequent resizing or deletion | |
2572 | of the window will resize all windows in the same combination as well. | |
0a2132ba | 2573 | |
91b65361 CY |
2574 | *** New option `frame-auto-hide-function' lets you choose between |
2575 | iconifying or deleting a frame when burying a buffer in a dedicated | |
2576 | frame, or quitting a window showing a buffer in a frame of its own. | |
2577 | ||
0a2132ba | 2578 | *** New commands `maximize-window' and `minimize-window'. |
53964682 | 2579 | These maximize and minimize the size of a window within its frame. |
0a2132ba | 2580 | |
0a2132ba CY |
2581 | *** New commands `switch-to-prev-buffer' and `switch-to-next-buffer'. |
2582 | These functions allow to navigate through the live buffers that have | |
2583 | been shown in a specific window. | |
2584 | ||
7d301ae6 | 2585 | ** Minibuffer changes |
dfdb4cad | 2586 | |
7d301ae6 | 2587 | *** The inactive minibuffer has its own major mode `minibuffer-inactive-mode'. |
104dc9c6 GM |
2588 | This is handy for minibuffer-only frames, and is also used for the feature |
2589 | where mouse-1 pops up *Messages*"', which can now easily be changed. | |
041d709f | 2590 | |
7d301ae6 | 2591 | *** Minibuffers set `truncate-lines' to nil. |
f66eca26 | 2592 | If you want to change the value to something else, you could use |
7d301ae6 CY |
2593 | for example `minibuffer-setup-hook'. |
2594 | ||
7d301ae6 CY |
2595 | ** `auto-mode-case-fold' is now enabled by default. |
2596 | ||
7d301ae6 | 2597 | ** `backup-by-copying-when-mismatch' now defaults to t. |
f66eca26 | 2598 | |
dfdb4cad CY |
2599 | ** New basic faces `error', `warning', `success'. |
2600 | These are used to highlight text indicating failure, caution or | |
2601 | successful operation. | |
2602 | ||
2603 | ** New option `list-colors-sort' defines the color sort order | |
2604 | for `list-colors-display'. | |
2605 | ||
2606 | ** The variable `focus-follows-mouse' now always defaults to nil. | |
2607 | ||
0bfd685e | 2608 | \f |
eb199145 | 2609 | * Editing Changes in Emacs 24.1 |
b350bdf2 | 2610 | |
892777ba | 2611 | ** Search changes |
dfdb4cad CY |
2612 | |
2613 | *** C-y in Isearch is now bound to `isearch-yank-kill', instead of | |
2614 | `isearch-yank-line'. | |
2615 | ||
2616 | *** M-y in Isearch is now bound to `isearch-yank-pop', instead of | |
2617 | `isearch-yank-kill'. | |
2618 | ||
2619 | *** M-s C-e in Isearch is now bound to `isearch-yank-line'. | |
2620 | ||
b2b0776e | 2621 | ** New commands `count-words-region' and `count-words'. |
dfdb4cad | 2622 | |
10607bea CY |
2623 | *** M-= is bound to `count-words-region', not `count-lines-region'. |
2624 | The `count-words-region' command, when called interactively, reports | |
2625 | the number of lines, words, and characters in the region. It is a | |
2626 | superset of the old `count-lines-region', which is now an obsolete | |
2627 | alias for it. | |
ea4f7750 | 2628 | |
ec9da840 | 2629 | ** The command `just-one-space' (M-SPC), if given a negative argument, |
1c708c1a CY |
2630 | also deletes newlines around point. |
2631 | ||
b9229673 | 2632 | ** Deletion changes |
dfdb4cad | 2633 | |
b9229673 | 2634 | *** New option `delete-active-region'. |
ddb54206 | 2635 | If non-nil, [delete] and DEL delete the region if it is active and no |
dfdb4cad | 2636 | prefix argument is given. If set to `kill', those commands kill |
ddb54206 | 2637 | instead. |
dfdb4cad | 2638 | |
59ee0542 | 2639 | *** New command `delete-forward-char', bound to [delete]. |
42d9cffa CY |
2640 | This is meant for interactive use, and obeys `delete-active-region'. |
2641 | The command `delete-char' does not obey `delete-active-region'. | |
dfdb4cad | 2642 | |
b9229673 CY |
2643 | *** `delete-backward-char' is now a Lisp function. |
2644 | Apart from obeying `delete-active-region', its behavior is unchanged. | |
7d301ae6 CY |
2645 | However, the byte compiler now warns if it is called from Lisp; Lisp |
2646 | callers should use delete-char with a negative argument instead. | |
dfdb4cad | 2647 | |
b9229673 CY |
2648 | *** The option `mouse-region-delete-keys' has been deleted. |
2649 | ||
f9d71b42 CY |
2650 | ** Selection changes. |
2651 | ||
7d301ae6 CY |
2652 | The default handling of clipboard and primary selections has been |
2653 | changed to conform with modern X applications. In short, most | |
2654 | commands for killing and yanking text now use the clipboard, while | |
2655 | mouse commands use the primary selection. | |
b1ab31ae CY |
2656 | |
2657 | In the following, we provide a list of these changes, followed by a | |
2658 | list of steps to get the old behavior back if you prefer that. | |
2659 | ||
b1ab31ae CY |
2660 | *** `select-active-regions' now defaults to t. |
2661 | Merely selecting text (e.g. with drag-mouse-1) no longer puts it in | |
963578d3 | 2662 | the kill ring. The selected text is put in the primary selection, if |
b1ab31ae CY |
2663 | the system possesses a separate primary selection facility (e.g. X). |
2664 | ||
2665 | **** `select-active-regions' also accepts a new value, `only'. | |
2666 | This means to only set the primary selection for temporarily active | |
2667 | regions (usually made by mouse-dragging or shift-selection); | |
2668 | "ordinary" active regions, such as those made with C-SPC followed by | |
2669 | point motion, do not alter the primary selection. | |
2670 | ||
963578d3 CY |
2671 | **** `mouse-drag-copy-region' now defaults to nil. |
2672 | ||
b1ab31ae CY |
2673 | *** mouse-2 is now bound to `mouse-yank-primary'. |
2674 | This pastes from the primary selection, ignoring the kill-ring. | |
2675 | Previously, mouse-2 was bound to `mouse-yank-at-click'. | |
dfdb4cad | 2676 | |
b1ab31ae | 2677 | *** `x-select-enable-clipboard' now defaults to t on all platforms. |
dfdb4cad | 2678 | |
b1ab31ae CY |
2679 | *** `x-select-enable-primary' now defaults to nil. |
2680 | Thus, commands that kill text or copy it to the kill-ring (such as | |
2681 | M-w, C-w, and C-k) also use the clipboard---not the primary selection. | |
2682 | ||
2683 | **** The "Copy", "Cut", and "Paste" items in the "Edit" menu are now | |
dfdb4cad | 2684 | exactly equivalent to M-w, C-w, and C-y respectively. |
b1ab31ae CY |
2685 | |
2686 | **** Note that on MS-Windows, `x-select-enable-clipboard' was already | |
2687 | non-nil by default, as Windows does not support the primary selection | |
2688 | between applications. | |
2689 | ||
2690 | *** To return to the previous behavior, do the following: | |
dfdb4cad | 2691 | |
104c2fe9 | 2692 | **** Change `select-active-regions' to nil. |
b1ab31ae CY |
2693 | **** Change `mouse-drag-copy-region' to t. |
2694 | **** Change `x-select-enable-primary' to t (on X only). | |
2695 | **** Change `x-select-enable-clipboard' to nil. | |
2696 | **** Bind `mouse-yank-at-click' to mouse-2. | |
f9d71b42 | 2697 | |
084e6df3 | 2698 | *** Support for X cut buffers has been removed. |
dfdb4cad | 2699 | |
3fd50d5c CY |
2700 | *** X clipboard managers are now supported. |
2701 | To inhibit this, change `x-select-enable-clipboard-manager' to nil. | |
4b80f674 | 2702 | |
dfdb4cad CY |
2703 | ** New command `C-x r N' (`rectangle-number-lines') numbers the lines |
2704 | in the current rectangle. With a prefix argument, this prompts for a | |
2705 | number to count from and for a format string. | |
99f053cf | 2706 | |
7d301ae6 | 2707 | ** `redisplay-dont-pause' now defaults to t. |
6bf7006f EZ |
2708 | This makes Emacs feel more responsive to editing commands that arrive |
2709 | at high rate, e.g. if you lean on some key, because stopping redisplay | |
2710 | in the middle (when this variable is nil) forces more expensive | |
2711 | updates later on, and Emacs appears to be unable to keep up. | |
2712 | ||
e70b5064 CY |
2713 | ** The behavior of <TAB> for active regions in Text mode has changed. |
2714 | In Text and related modes, typing <TAB> (`indent-for-tab-command') | |
2715 | when the region is active causes Emacs to indent all the lines in the | |
2716 | region, aligning them with the line previous to the first line in the | |
2717 | region (or with the left margin if there is no previous line). | |
2718 | ||
dfdb4cad CY |
2719 | ** When `occur' is called with a prefix argument, matching strings are |
2720 | collected into the `*Occur*' buffer without line numbers. If there | |
2721 | are parenthesized subexpressions in the specified regexp, `occur' | |
2722 | reads replacement text that may contain \\& and \\N whose convention | |
2723 | follows `replace-match'. | |
2724 | ||
9bae34bf | 2725 | \f |
eb199145 | 2726 | * Changes in Specialized Modes and Packages in Emacs 24.1 |
efeb796b | 2727 | |
041d709f | 2728 | ** Archive Mode has basic support for browsing and updating 7z archives. |
d76674bb | 2729 | |
b7c3692a | 2730 | ** BibTeX mode |
dfdb4cad | 2731 | |
2de69e00 | 2732 | *** BibTeX mode now supports biblatex. |
7d301ae6 CY |
2733 | Use the variable `bibtex-dialect' to select different BibTeX dialects. |
2734 | `bibtex-entry-field-alist' is now an obsolete alias for | |
2735 | `bibtex-BibTeX-entry-alist'. | |
2736 | ||
dfdb4cad CY |
2737 | *** New command `bibtex-search-entries', bound to C-c C-a. |
2738 | ||
b7c3692a | 2739 | *** New `bibtex-entry-format' option `sort-fields', disabled by default. |
dfdb4cad | 2740 | |
022fe7ce RW |
2741 | *** New variable `bibtex-search-entry-globally'. |
2742 | ||
7d301ae6 | 2743 | ** Browse-url |
dfdb4cad | 2744 | |
7d301ae6 | 2745 | *** New option `browse-url-mailto-function' specifies how to handle "mailto:"s. |
dfdb4cad | 2746 | |
7d301ae6 CY |
2747 | *** The default browser used by the package is now the "xdg-open" program, |
2748 | on platforms that support it. This calls your desktop's preferred browser. | |
2749 | ||
86e100a6 GM |
2750 | ** Calc |
2751 | ||
2752 | *** Support for musical notes. | |
2753 | ||
2754 | *** Support for logarithmic units. | |
2755 | ||
2756 | *** No longer uses the tex prefix for TeX specific unit names when | |
2757 | using TeX or LaTeX mode. | |
2758 | ||
2759 | *** New option to highlight selections using faces. | |
2760 | ||
2761 | *** `calc-histogram' has the option of using a vector to determine the bins. | |
2762 | ||
2763 | *** New "O" option prefix. | |
2764 | ||
2765 | *** Use the "O" prefix to "d r" (`calc-radix') to turn on twos-complement mode. | |
2766 | ||
cf16af42 GM |
2767 | ** Calendar, Diary, and Appt |
2768 | ||
7d301ae6 | 2769 | *** Diary entries can contain non-printing "comments". |
548d0a63 GM |
2770 | See the variable `diary-comment-start'. |
2771 | ||
5006e634 GM |
2772 | *** Appointments can specify their individual warning times. |
2773 | See the variable `appt-warning-time-regexp'. | |
2774 | ||
0a2bb1a9 GM |
2775 | *** The function specified by `appt-disp-window-function' may be passed |
2776 | lists of arguments if multiple appointments are due at similar times. | |
2777 | If you are using a custom function for this, you should update it. | |
2778 | ||
7454f200 GM |
2779 | *** New function `diary-hebrew-birthday'. |
2780 | ||
e565dd37 GM |
2781 | *** Elements of `calendar-day-abbrev-array' and `calendar-month-abbrev-array' |
2782 | may no longer be nil, but must all be strings. | |
2783 | ||
7d301ae6 CY |
2784 | *** The obsolete (since Emacs 22.1) method of enabling the appt |
2785 | package by adding `appt-make-list' to `diary-hook' has been removed. | |
2786 | Use `appt-activate' instead. | |
cf16af42 | 2787 | |
cf16af42 GM |
2788 | *** Some appt variables (obsolete since Emacs 22.1) have been removed: |
2789 | appt-issue-message (use the function appt-activate) | |
2790 | appt-visible/appt-msg-window (use the variable appt-display-format) | |
2791 | ||
cf16af42 GM |
2792 | *** Some diary function aliases (obsolete since Emacs 22.1) have been removed: |
2793 | view-diary-entries, list-diary-entries, show-all-diary-entries | |
2794 | ||
551b046f | 2795 | ** CC Mode |
dfdb4cad | 2796 | |
551b046f | 2797 | *** New feature to "guess" the style in an existing buffer. |
7d301ae6 | 2798 | The main entry point is M-x c-guess. |
041d709f | 2799 | |
551b046f AM |
2800 | *** Java Mode now supports Java 5.0 (Tiger) and 6 (Mustang). |
2801 | ||
dfdb4cad | 2802 | *** `c-beginning-of-defun' and `c-end-of-defun' now respect nested scopes. |
551b046f AM |
2803 | Thus C-M-a will, by default, go to the beginning of the immediate function, |
2804 | not the top level. | |
2805 | ||
dfdb4cad | 2806 | *** "Macros with semicolons" can be registered for correct indentation. |
551b046f AM |
2807 | Where such a macro ends a line (no semicolon) the next statement is no longer |
2808 | parsed as a statement continuation. | |
2809 | ||
dfdb4cad | 2810 | ** Comint and modes derived from it use the standard completion code. |
041d709f CY |
2811 | |
2812 | ** Compilation mode | |
dfdb4cad | 2813 | |
7d301ae6 | 2814 | *** Compilation mode can be used without Font Lock mode. |
041d709f CY |
2815 | `compilation-parse-errors-function' is now obsolete. |
2816 | ||
dfdb4cad | 2817 | *** New variable `compilation-filter-start', which is bound while |
7d301ae6 CY |
2818 | `compilation-filter-hook' runs. It records the start position of the |
2819 | text inserted by `compilation-filter'. | |
041d709f | 2820 | |
47a6a35f GM |
2821 | *** `compilation-error-screen-columns' and `compilation-first-column' |
2822 | are obeyed in the editing buffer. So programming language modes can | |
7d301ae6 CY |
2823 | set them, whereas previously only the value in the *Compilation* |
2824 | buffer was used. | |
1dce7193 | 2825 | |
52834b6b CY |
2826 | ** Customize |
2827 | ||
2828 | *** Customize buffers now contain a search field. | |
2829 | The search is performed using `customize-apropos'. | |
7d301ae6 | 2830 | To turn off the search field, set `custom-search-field' to nil. |
52834b6b | 2831 | |
8d5dd370 | 2832 | *** Options in customize group buffers start out hidden if not customized. |
52834b6b CY |
2833 | Use the arrow to the left of the option name to toggle visibility. |
2834 | ||
2835 | *** custom-buffer-sort-alphabetically now defaults to t. | |
2836 | ||
2837 | *** The color widget now has a "Choose" button, which allows you to | |
7d301ae6 | 2838 | choose a color via `list-colors-display'. |
52834b6b | 2839 | |
041d709f CY |
2840 | ** D-Bus |
2841 | ||
5da3be7f GM |
2842 | *** It is now possible to access buses other than the default system |
2843 | or session bus. | |
041d709f | 2844 | |
7d301ae6 | 2845 | *** The `dbus-register-method' and `dbus-register-property' functions |
5da3be7f | 2846 | optionally do not register names. |
041d709f | 2847 | |
7d301ae6 | 2848 | *** The new function `dbus-register-service' registers a known service |
dfdb4cad | 2849 | name on a D-Bus without also registering a property or a method. |
041d709f | 2850 | |
f5d6548a | 2851 | ** Dired-x |
425a25f1 | 2852 | |
7d301ae6 CY |
2853 | *** C-x C-j (`dired-jump') and C-x 4 C-j (`dired-jump-other-window'), |
2854 | if called with a prefix argument, read a file name from the minibuffer | |
2855 | instead of using the current buffer. | |
f5d6548a | 2856 | |
7d301ae6 | 2857 | *** The "dired local variables" feature of Dired-x is obsolete. |
817b48a7 | 2858 | The standard directory local variables feature replaces it. |
8117868f | 2859 | |
041d709f | 2860 | ** ERC changes |
7492acc9 | 2861 | |
c4077254 GM |
2862 | *** New options `erc-autojoin-timing' and `erc-autojoin-delay', |
2863 | controlling attempts to autojoin a channel. | |
041d709f CY |
2864 | |
2865 | *** New variable `erc-coding-system-precedence': If we use `undecided' | |
2866 | as the server coding system, this variable will then be consulted. | |
2867 | The default is to decode strings that can be decoded as utf-8 as | |
2868 | utf-8, and do the normal `undecided' decoding for the rest. | |
7492acc9 | 2869 | |
041d709f | 2870 | ** Eshell changes |
7492acc9 | 2871 | |
05f77e38 GM |
2872 | *** The default value of `eshell-directory-name' has changed |
2873 | to be an "eshell" directory in `user-emacs-directory'. | |
2874 | The old "~/.eshell/" directory is still used if it exists, though. | |
041d709f CY |
2875 | |
2876 | ** gdb-mi | |
dfdb4cad CY |
2877 | |
2878 | *** The M-x gdb command now uses the GDB Machine Interface protocol. | |
05f77e38 GM |
2879 | It now supports multithread non-stop debugging and simultaneous |
2880 | debugging of several threads. | |
7492acc9 | 2881 | |
18af70d0 CY |
2882 | ** Image mode |
2883 | ||
05f77e38 GM |
2884 | *** RET (`image-toggle-animation') toggles animation, if applicable. |
2885 | Animation plays once, unless the option `image-animate-loop' is non-nil. | |
18af70d0 | 2886 | |
041d709f | 2887 | ** Info |
723ee192 | 2888 | |
7d301ae6 | 2889 | *** New command M-x info-display-manual displays a named Info manual. |
2ebc3b94 GM |
2890 | If that manual is already visited in some Info buffer, it displays |
2891 | that buffer. (This is handy if you have many manuals in many *info* | |
2892 | buffers, and don't remember the name of the buffer visiting the manual | |
2893 | you want to consult.) Otherwise, it loads and displays the manual. | |
691cf4a0 | 2894 | |
24ea72d3 EZ |
2895 | *** `e' is now bound to `end-of-buffer' rather than to `Info-edit'. |
2896 | This is for compatibility with the stand-alone Info reader program, | |
2897 | and also because `Info-edit' is a rarely used command that is disabled | |
2898 | by default. | |
2899 | ||
7d301ae6 | 2900 | ** Mail mode changes (not Message mode) |
dfdb4cad | 2901 | |
7d301ae6 | 2902 | *** New command M-x mail-add-attachment for adding MIME attachments |
7d301ae6 | 2903 | |
dfdb4cad CY |
2904 | *** The command M-x mail-attach-file was renamed to M-x mail-insert-file. |
2905 | (Its name is misleading, since it has nothing to do with MIME | |
2906 | attachments.) The old name is now an obsolete alias to the new name. | |
2907 | ||
f2c3a9eb | 2908 | ** MH-E has been updated to MH-E version 8.3.1. |
041d709f | 2909 | See MH-E-NEWS for details. |
37221432 | 2910 | |
041d709f | 2911 | ** Modula-2 mode provides auto-indentation. |
37221432 | 2912 | |
041d709f | 2913 | ** mpc.el: Can use pseudo tags of the form tag1|tag2 as a union of two tags. |
3c3d4f5b | 2914 | |
5d1ac394 | 2915 | ** nXML mode no longer binds C-RET to `nxml-complete'. |
dfdb4cad CY |
2916 | Completion is now performed via `completion-at-point', bound to C-M-i |
2917 | or M-TAB. If `nxml-bind-meta-tab-to-complete-flag' is non-nil (the | |
2918 | default), this performs tag completion. | |
5d1ac394 | 2919 | |
f2c3a9eb CY |
2920 | ** Org mode has been updated to version 7.8.09. |
2921 | See ORG-NEWS for details. | |
2922 | ||
041d709f | 2923 | ** Prolog mode has been completely revamped, with lots of additional |
7d301ae6 CY |
2924 | functionality such as more intelligent indentation, electricity, |
2925 | support for more variants, including Mercury, and a lot more. | |
041d709f CY |
2926 | |
2927 | ** Rmail | |
2928 | ||
2929 | *** The command `rmail-epa-decrypt' decrypts OpenPGP data | |
2930 | in the Rmail incoming message. | |
2931 | ||
50419064 GM |
2932 | *** The variable `rmail-message-filter' no longer has any effect. |
2933 | This change was made in Emacs 23.1 but was not advertised at the time. | |
2934 | Try using `rmail-show-message-hook' instead. | |
2935 | ||
717a1362 | 2936 | ** Shell mode |
dfdb4cad CY |
2937 | |
2938 | *** M-x shell prompts for the shell path name if the default directory | |
2939 | is a remote file name and neither the environment variable $ESHELL nor | |
2940 | the variable `explicit-shell-file-name' is set. | |
2941 | ||
2942 | *** TAB is now bound to the standard `completion-at-point' command, | |
2943 | which now implements the pcomplete rules for shell command completion. | |
717a1362 | 2944 | |
7d301ae6 CY |
2945 | ** SMTPmail |
2946 | ||
dfdb4cad | 2947 | *** SMTPmail now uses encrypted connections (via STARTTLS) by default |
7d301ae6 CY |
2948 | if the mail server supports them. This uses either built-in GnuTLS |
2949 | support, or the starttls.el library. Customize `smtpmail-stream-type' | |
2950 | to change this. | |
2951 | ||
7d301ae6 CY |
2952 | *** The variable `smtpmail-auth-credentials' has been removed. |
2953 | By default, the information is now stored in the file ~/.authinfo. | |
dfdb4cad CY |
2954 | This was the default value of smtpmail-auth-credentials. If you had |
2955 | customized smtpmail-auth-credentials to a list of user names and | |
2956 | passwords, those settings are not used. During your first connection | |
2957 | to the smtp server, Emacs will prompt for the user name and password, | |
2958 | and offer to save them to ~/.authinfo. Or you can manually copy the | |
2959 | credentials to ~/.authinfo. For example, if you had | |
7d301ae6 CY |
2960 | |
2961 | (setq smtpmail-auth-credentials | |
2962 | '(("mail.example.org" 25 "jim" "s!cret"))) | |
2963 | ||
2964 | then the equivalent line in ~/.authinfo would be | |
2965 | ||
2966 | machine mail.example.org port 25 login jim password s!cret | |
2967 | ||
2968 | See the auth-source manual for more information, e.g. on encrypting | |
2969 | the credentials file. | |
2970 | ||
7d301ae6 | 2971 | *** The variable `smtpmail-starttls-credentials' has been removed. |
dfdb4cad | 2972 | If you had that set, you need to put |
7d301ae6 CY |
2973 | |
2974 | machine smtp.whatever.foo port 25 key "~/.my_smtp_tls.key" cert "~/.my_smtp_tls.cert" | |
2975 | ||
2976 | in your ~/.authinfo file instead. | |
2977 | ||
8ce192e3 LI |
2978 | *** SMTPmail defaults to using the address in the From: header as the |
2979 | SMTP MAIL FROM envelope. To override this, set `mail-envelope-from' | |
2980 | to the address you wish to use instead. | |
2981 | ||
34e8a2da | 2982 | ** SQL mode |
041d709f | 2983 | |
34e8a2da GM |
2984 | *** New options `sql-port', `sql-connection-alist', `sql-send-terminator', |
2985 | and `sql-oracle-scan-on'. | |
041d709f | 2986 | |
dfdb4cad | 2987 | *** New options controlling prompting for login parameters. |
34e8a2da GM |
2988 | Each supported product has a custom variable `sql-*-login-params', |
2989 | which is a list of the parameters to be prompted for before a | |
2990 | connection is established. | |
041d709f CY |
2991 | |
2992 | *** The command `sql-product-interactive' now takes a prefix argument, | |
34e8a2da | 2993 | which causes it to prompt for an SQL product. |
041d709f | 2994 | |
34e8a2da | 2995 | *** Product-specific SQL interactive commands now take prefix arguments. |
041d709f CY |
2996 | These commands (`sql-sqlite', `sql-postgres', `sql-mysql', etc.), |
2997 | given a prefix argument, prompt for a name for the SQL interactive | |
2998 | buffer. This reduces the need for calling `sql-rename-buffer'. | |
2999 | ||
3000 | *** SQL interactive modes suppress command continuation prompts, and | |
3001 | replace tabs with spaces. The first change impacts multiple line SQL | |
3002 | statements entered with C-j between each line, statements yanked into | |
3003 | the buffer and statements sent with `sql-send-*' functions. The | |
34e8a2da GM |
3004 | second prevents the MySQL and Postgres interpreters from listing |
3005 | object name completions when sent text via `sql-send-*' functions. | |
041d709f CY |
3006 | |
3007 | *** New command `sql-connect' starts a predefined SQLi session, | |
3008 | using the login parameters from `sql-connection-alist'. | |
3009 | ||
3010 | *** New "Save Connection" menu item in SQLi buffers. | |
3011 | This gathers the login params specified for the SQLi session, if it | |
3012 | was not started by a connection, and saves them as a new connection. | |
3013 | ||
34e8a2da GM |
3014 | *** New commands for listing database objects and details: |
3015 | sql-list-all and sql-list-table. | |
041d709f CY |
3016 | |
3017 | *** An API for manipulating SQL product definitions has been added. | |
3018 | ||
3019 | ** TeX modes | |
3020 | ||
3021 | *** latex-electric-env-pair-mode keeps \begin..\end matched on the fly. | |
412b9ee5 | 3022 | |
459bba37 | 3023 | ** Tramp |
dfdb4cad | 3024 | |
7d301ae6 | 3025 | *** New inline access method "ksu" (kerberized su). |
dfdb4cad | 3026 | |
459bba37 | 3027 | *** The following access methods are discontinued: "ssh1_old", |
ea843702 | 3028 | "ssh2_old", "scp1_old", "scp2_old", "imap", "imaps" and "fish". |
dfdb4cad | 3029 | |
b011fbfe GM |
3030 | *** The user option `remote-file-name-inhibit-cache' controls whether |
3031 | remote file attributes are cached for better performance. | |
dfdb4cad | 3032 | |
58f74fe4 MA |
3033 | *** The option `ange-ftp-binary-file-name-regexp' has changed its |
3034 | default value to "". | |
dfdb4cad | 3035 | |
7d301ae6 CY |
3036 | *** Handlers for `file-selinux-context' and `set-file-selinux-context' |
3037 | for remote machines which support SELinux. | |
58f74fe4 | 3038 | |
dfdb4cad | 3039 | ** New function `url-queue-retrieve', which behaves like url-retrieve, |
a48ec60c GM |
3040 | but with limits (`url-queue-parallel-processes', `url-queue-timeout') on |
3041 | the degree of parallelism. | |
177549d0 | 3042 | |
0c32ce32 CY |
3043 | ** VC and related modes |
3044 | ||
3045 | *** Support for pulling on distributed version control systems. | |
7d301ae6 CY |
3046 | The command C-x v + (`vc-pull') runs a "pull" operation, if it is |
3047 | supported (currently with Bzr, Git, and Mercurial), to update the | |
3048 | current branch and working tree. A prefix argument means to prompt | |
3049 | the user for specifics, e.g. a pull location. | |
0c32ce32 | 3050 | |
dab3703d | 3051 | *** `vc-update' is now an alias for `vc-pull'. |
0c32ce32 CY |
3052 | |
3053 | *** Support for merging on distributed version control systems. | |
7d301ae6 CY |
3054 | The command C-x v m (`vc-merge') now runs a "merge" operation, if it |
3055 | is supported (currently with Bzr, Git, and Mercurial), to merge | |
3056 | changes from another branch into the current one. It prompts for | |
3057 | specifics, e.g. a merge source. | |
0c32ce32 | 3058 | |
2afef60a | 3059 | *** New option `vc-revert-show-diff' controls whether `vc-revert' |
bbe43420 | 3060 | shows a diff while querying the user. It defaults to t. |
2afef60a | 3061 | |
d4eb88c7 CY |
3062 | *** Log entries in some Log View buffers can be toggled to display a |
3063 | longer description by typing RET (log-view-toggle-entry-display). | |
dab3703d GM |
3064 | This is currently supported for Bzr, Git, and Mercurial (to support |
3065 | another backend, define a `log-view-expanded-log-entry-function'). | |
7d301ae6 | 3066 | In the Log View buffers made by C-x v L (`vc-print-root-log'), you can |
d4eb88c7 CY |
3067 | use this to display the full log entry for the revision at point. |
3068 | ||
1c6c854e CS |
3069 | *** New command `vc-ediff' allows visual comparison of two revisions |
3070 | of a file similar to `vc-diff', but using ediff backend. | |
3071 | ||
86c60681 CY |
3072 | *** The option `vc-initial-comment' was removed in Emacs 23.2, but |
3073 | this was not advertised at the time. | |
3074 | ||
86c60681 CY |
3075 | *** `vc-toggle-read-only' is an obsolete alias for `toggle-read-only'. |
3076 | Since Emacs 23, it has done the same thing as `toggle-read-only', but | |
80c6d77f GM |
3077 | this was not advertised at the time. |
3078 | ||
041d709f CY |
3079 | ** Obsolete modes |
3080 | ||
23d70505 GM |
3081 | *** abbrevlist.el |
3082 | ||
f8ca9162 | 3083 | *** erc-hecomplete.el (use erc-pcomplete.el instead) |
23d70505 GM |
3084 | |
3085 | *** partial-completion-mode (complete.el) is obsolete. | |
041d709f CY |
3086 | You can get a comparable behavior with: |
3087 | (setq completion-styles '(partial-completion initials)) | |
3088 | (setq completion-pcm-complete-word-inserts-delimiters t) | |
3089 | ||
23d70505 GM |
3090 | *** pc-mode.el is obsolete (CUA mode is much more comprehensive). |
3091 | ||
2c719188 | 3092 | *** pgg is obsolete (use EasyPG instead). |
041d709f CY |
3093 | |
3094 | *** sregex.el is obsolete, since rx.el is a strict superset. | |
3095 | ||
23d70505 GM |
3096 | *** s-region.el and pc-select.el are obsolete. |
3097 | They are superseded by shift-select-mode, enabled by default since 23.1. | |
3098 | ||
2c719188 | 3099 | *** vc-mcvs.el is obsolete (for lack of a maintainer). |
ca5eed61 | 3100 | |
0fe719e6 GM |
3101 | ** Miscellaneous |
3102 | ||
05f77e38 | 3103 | *** The Landmark game is now invoked with `landmark', not `lm'. |
c6ad2a4e | 3104 | Its functions and variables have been similarly renamed. |
05f77e38 | 3105 | |
dfdb4cad | 3106 | *** In `ido-file-completion-map', C-v is no longer bound to `ido-toggle-vc'. |
05f77e38 GM |
3107 | (This interfered with cua-mode.) |
3108 | ||
9f678528 GM |
3109 | *** f90.el has some support for Fortran 2008 syntax. |
3110 | ||
0fe719e6 GM |
3111 | *** `copyright-fix-years' can optionally convert consecutive years to ranges. |
3112 | ||
5b3e6db8 GM |
3113 | *** New command `nato-region' converts text to NATO phonetic alphabet. |
3114 | ||
eb199145 GM |
3115 | \f |
3116 | * New Modes and Packages in Emacs 24.1 | |
d445b3f8 | 3117 | |
60e56523 | 3118 | ** Occur Edit mode applies edits made in *Occur* buffers to the |
8c0f49f0 | 3119 | original buffers. It is bound to "e" in Occur mode. |
60e56523 | 3120 | |
a075a2c5 GM |
3121 | ** New global minor mode electric-pair-mode. |
3122 | When enabled, typing an open parenthesis automatically inserts the | |
3123 | matching closing one. | |
3124 | ||
3125 | ** New global minor mode electric-indent-mode. | |
3126 | When enabled, typing certain characters triggers reindentation. | |
cd3308f3 GM |
3127 | Major modes wishing to use this can set electric-indent-chars or |
3128 | electric-indent-functions. | |
a075a2c5 GM |
3129 | |
3130 | ** New global minor mode electric-layout-mode. | |
3131 | When enabled, typing certain characters automatically inserts newlines. | |
cd3308f3 | 3132 | Major modes wishing to use this can set electric-layout-rules. |
3b843809 | 3133 | |
a83ec3c9 CY |
3134 | ** tabulated-list.el provides a generic major mode for tabulated data, |
3135 | from which other modes can be derived. | |
3136 | ||
d02c9bcd SM |
3137 | ** pcase.el provides the ML-style pattern matching macro `pcase'. |
3138 | ||
7725ebb7 MA |
3139 | ** secrets.el is an implementation of the Secret Service API, an |
3140 | interface to password managers like GNOME Keyring or KDE Wallet. The | |
065f2743 MA |
3141 | Secret Service API requires D-Bus for communication. The command |
3142 | `secrets-show-secrets' offers a buffer with a visualization of the | |
3143 | secrets. | |
7725ebb7 | 3144 | |
f9e78150 MA |
3145 | ** notifications.el provides an implementation of the Desktop |
3146 | Notifications API. It requires D-Bus for communication. | |
3147 | ||
12fe5bcc MA |
3148 | ** soap-client.el supports access to SOAP web services from Emacs. |
3149 | soap-inspect.el is an interactive inspector for SOAP WSDL structures. | |
3150 | ||
ff1796f3 | 3151 | ** New generic mode, xmodmap-generic-mode, for xmodmap files. |
ad7d6ecb | 3152 | |
53bbe3ad | 3153 | ** New emacs-lock.el package. |
7d301ae6 CY |
3154 | The previous version has been moved to obsolete/old-emacs-lock.el. |
3155 | Now, there is a proper minor mode `emacs-lock-mode'. Protection | |
3156 | against exiting Emacs and killing the buffer can be set separately. | |
3157 | The mechanism for automatically turning off protection for buffers | |
3158 | with dead inferior processes has been generalized. | |
53bbe3ad | 3159 | |
eb199145 GM |
3160 | \f |
3161 | * Incompatible Lisp Changes in Emacs 24.1 | |
6dfcbe31 | 3162 | |
7d301ae6 CY |
3163 | ** Passing a nil argument to a minor mode function call now ENABLES |
3164 | the minor mode unconditionally. This is so that you can write e.g. | |
3165 | ||
dfdb4cad | 3166 | (add-hook 'text-mode-hook 'foo-mode) |
7d301ae6 | 3167 | |
dfdb4cad CY |
3168 | to enable foo-mode in Text mode buffers, removing the need for |
3169 | `turn-on-foo-mode' style functions. This affects all mode commands | |
3170 | defined by `define-minor-mode'. If called interactively, the mode | |
3171 | command still toggles the minor mode. | |
7d301ae6 | 3172 | |
d268b4fe CY |
3173 | ** The return value of `backup-buffer' has changed. |
3174 | It is now a list of three elements, where the second element is a list | |
3175 | describing the original file's SELinux context. If Emacs or the | |
f003f294 | 3176 | system lacks SELinux support, the context list is (nil nil nil nil). |
7d301ae6 | 3177 | See "Basic SELinux support" above, under "Changes in Emacs 24.1". |
d268b4fe | 3178 | |
dfdb4cad CY |
3179 | ** `char-direction-table' and the `char-direction' function were deleted. |
3180 | They were buggy and inferior to the new support of bidirectional | |
3181 | editing introduced in Emacs 24. If you need the bidirectional | |
3182 | properties of a character, use `get-char-code-property' with the last | |
3183 | argument `bidi-class'. | |
fa6996bc | 3184 | |
470d996d TV |
3185 | ** `copy-directory' now copies the source directory as a subdirectory |
3186 | of the target directory, if the latter is an existing directory. The | |
3187 | new optional arg COPY-CONTENTS, if non-nil, makes the function copy | |
3188 | the contents directly into a pre-existing target directory. | |
3189 | ||
9173a8fb CY |
3190 | ** For mouse click input events in the text area, the Y pixel |
3191 | coordinate in the POSITION list now counts from the top of the text | |
3192 | area, excluding any header line. Previously, it counted from the top | |
3193 | of the header line. | |
3194 | ||
7d301ae6 CY |
3195 | ** Support for "old-style" backquotes, obsolete for 10+ years, has |
3196 | been further reduced. Now a backquote not followed by a space is | |
3197 | always treated as a "new-style" backquote. Please remove all | |
3198 | "old-style" backquotes from your code. If your code uses backquotes | |
3199 | as documented in the Elisp manual, and compiles without warning, then | |
3200 | you have nothing to do in this regard. Code not following the | |
3201 | appropriate conventions may fail to compile. | |
50ab02c5 CY |
3202 | |
3203 | The most common cause of trouble seems to be an old-style backquote | |
3204 | followed by a newline. Another cause of trouble is vector notation | |
3205 | for key sequence notation: instead of [(control ,)] and [(control ')], | |
3206 | you should write [(control ?,)] and [(control ?')], which will work in | |
7d301ae6 | 3207 | older Emacsen too. |
288cf4e9 | 3208 | |
520f2425 GM |
3209 | ** The macro `eval-at-startup' was removed in Emacs 23.2, but this |
3210 | was not advertised at the time. The function `custom-initialize-delay' | |
3211 | replaced all known uses. | |
3212 | ||
7d301ae6 CY |
3213 | ** `view-buffer' now treats special mode-class in the same way that |
3214 | `view-file' has since Emacs 22 (i.e. it won't enable View mode if the | |
3215 | major mode is special). | |
fd5c9dfa | 3216 | |
7d301ae6 | 3217 | ** Menu and tool bar changes |
6431f2e6 | 3218 | |
7d301ae6 | 3219 | *** During startup, Emacs no longer adds entries for `menu-bar-lines' |
0a19a6f8 JB |
3220 | and `tool-bar-lines' to `default-frame-alist' and `initial-frame-alist'. |
3221 | With these alist entries omitted, `make-frame' checks the value of the | |
3222 | variable `menu-bar-mode'/`tool-bar-mode' to determine whether to create | |
3223 | a menu-bar or tool-bar, respectively. If the alist entries are added, | |
3224 | they override the value of `menu-bar-mode'/`tool-bar-mode'. | |
6431f2e6 | 3225 | |
7d301ae6 CY |
3226 | *** The menu bar bindings's caches are not used any more. |
3227 | Use (where-is-internal <def> nil t) instead. | |
3228 | ||
fe0aa820 | 3229 | ** Regions created by mouse dragging are now normal active regions, |
dfdb4cad | 3230 | similar to those created by shift-selection (see Selection changes |
7d301ae6 CY |
3231 | above). In previous Emacs versions, these regions were delineated by |
3232 | `mouse-drag-overlay'; that variable has been removed. | |
d6d8ee7a | 3233 | |
7d301ae6 CY |
3234 | ** The fourth argument of `filter-buffer-substring' has been removed. |
3235 | If you want to remove text properties from the final result, simply | |
3236 | pass the result through substring-no-properties. | |
34c99998 | 3237 | |
4583e796 GM |
3238 | ** cl.el no longer provides `cl-19'. |
3239 | ||
7d301ae6 CY |
3240 | ** The following obsolete functions and aliases have been removed |
3241 | (the appropriate new function is given in parentheses; "not needed" | |
3242 | means you can just remove all calls to the function in question): | |
3243 | ||
3244 | *** `comint-kill-output' (`comint-delete-output') | |
3245 | *** `decompose-composite-char' (`char-to-string') | |
3246 | *** `outline-visible' (`outline-invisible-p') | |
3247 | *** `internal-find-face' (`facep') | |
3248 | *** `internal-get-face' (`facep and check-face') | |
3249 | *** `frame-update-faces' (not needed) | |
3250 | *** `frame-update-face-colors' (`frame-set-background-mode') | |
3251 | *** `x-frob-font-weight' and `x-frob-font-slant' (`make-face-*' functions) | |
2c719188 | 3252 | *** `x-make-font-bold and x-make-font-demibold (`make-face-bold') |
7d301ae6 CY |
3253 | *** `x-make-font-italic' and `x-make-font-oblique' (`make-face-italic') |
3254 | *** `x-make-font-bold-italic' (`make-face-bold-italic') | |
3255 | *** `x-make-font-unbold' (`make-face-unbold') | |
3256 | *** `x-make-font-unitalic' (`make-face-unitalic') | |
3257 | *** `mldrag-drag-mode-line' (`mouse-drag-mode-line') | |
3258 | *** `mldrag-drag-vertical-line' (`mouse-drag-vertical-line') | |
3259 | *** `iswitchb-default-keybindings' (`iswitchb-mode') | |
3260 | *** `char-bytes' (== 1) | |
3261 | *** `isearch-return-char' (`isearch-printing-char') | |
3262 | *** `make-local-hook' (not needed) | |
3263 | *** `set-screen-height' (`set-frame-height') | |
3264 | *** `set-screen-width' (`set-frame-width') | |
3265 | ||
7d301ae6 CY |
3266 | ** The following obsolete variables and varaliases have been removed |
3267 | (the appropriate new variable is given in parentheses): | |
3268 | ||
3269 | *** `checkdoc-minor-keymap' (`checkdoc-minor-mode-map') | |
3270 | *** `vc-header-alist' (`vc-BACKEND-header') | |
3271 | *** `directory-sep-char' (== ?/) | |
3272 | *** `font-lock-defaults-alist' (`font-lock-defaults') | |
3273 | *** `e' (`float-e'). | |
3226d6ca | 3274 | |
041d709f | 3275 | ** The following obsolete files were removed: |
7b0e3048 GM |
3276 | sc.el, x-menu.el, rnews.el, rnewspost.el |
3277 | ||
7d301ae6 CY |
3278 | ** The format of the finder-inf.el file has changed, since the Finder |
3279 | mechanism is now based on the package system. The variable | |
3280 | `finder-package-info' is replaced by `package--builtins' and | |
3281 | `finder-keywords-hash'. | |
33658d4e | 3282 | |
c2c79260 DE |
3283 | ** When generating autoloads, `update-directory-autoloads' no longer |
3284 | assumes every inspected file is in your `load-path'. It instead | |
3285 | generates relative names according to the current `load-path'. | |
3286 | ||
eb199145 | 3287 | \f |
93e0bed6 | 3288 | * Lisp Changes in Emacs 24.1 |
9097e8af | 3289 | |
041d709f | 3290 | ** Code can now use lexical scoping by default instead of dynamic scoping. |
dfdb4cad | 3291 | The `lexical-binding' variable enables lexical scoping for local |
48da7392 | 3292 | variables. It is typically set via a file-local variable in the first |
dfdb4cad CY |
3293 | line of the file, in which case it applies to all the code in that |
3294 | file. | |
3295 | ||
041d709f CY |
3296 | *** `eval' takes a new optional argument `lexical' to choose the new lexical |
3297 | binding instead of the old dynamic binding mode. | |
dfdb4cad | 3298 | |
041d709f CY |
3299 | *** Lexically scoped interpreted functions are represented with a new form |
3300 | of function value which looks like (closure ENV ARGS &rest BODY). | |
3301 | ||
3302 | *** New macro `letrec' to define recursive local functions. | |
dfdb4cad CY |
3303 | |
3304 | *** `defvar' and `defconst' now mark the variable as special (dynamic). | |
3305 | So do `defcustom' and other forms that call `defvar' as a subroutine. | |
3306 | ||
041d709f CY |
3307 | *** New function `special-variable-p' to check whether a variable is |
3308 | declared as dynamically bound. | |
3309 | ||
88ed9e87 SM |
3310 | *** The form ((lambda ...) ...) is deprecated. |
3311 | ||
041d709f CY |
3312 | ** An Emacs Lisp testing tool is now included. |
3313 | Emacs Lisp developers can use this tool to write automated tests for | |
3314 | their code. See the ERT info manual for details. | |
3315 | ||
3316 | ** Changes for bidirectional display and editing | |
f1816485 | 3317 | |
041d709f | 3318 | *** New function `current-bidi-paragraph-direction'. |
7d301ae6 | 3319 | This returns the base direction of the paragraph at point. |
041d709f | 3320 | |
041d709f | 3321 | *** New function `bidi-string-mark-left-to-right'. |
dfdb4cad CY |
3322 | Given a string containing characters from right-to-left scripts, this |
3323 | function returns another string which can be safely inserted into a | |
3324 | buffer, such that any following text will be always displayed to the | |
7d301ae6 CY |
3325 | right of that string. (This works by appending an invisible Unicode |
3326 | "LEFT-TO-RIGHT MARK" character if the argument string might need it.) | |
041d709f | 3327 | |
7d301ae6 | 3328 | This is useful when the buffer has overall left-to-right paragraph |
dfdb4cad CY |
3329 | direction and you need to insert a string whose contents are not known |
3330 | in advance, without disrupting the layout of the line. | |
041d709f | 3331 | |
bee0fcef | 3332 | ** Window changes |
dfdb4cad | 3333 | |
c4682d18 MR |
3334 | *** Window tree functions are accessible in Elisp. |
3335 | Functions are provided to return the parent, siblings or child windows | |
3336 | of any window including internal windows (windows not associated with a | |
3337 | buffer) in the window tree. | |
dfdb4cad | 3338 | |
24300f5f CY |
3339 | **** New function `window-valid-p' gives non-nil for live and internal |
3340 | windows. | |
dfdb4cad | 3341 | |
24300f5f | 3342 | **** Window manipulation can deal with internal windows. |
c4682d18 MR |
3343 | Many window handling functions like `split-window', `delete-window', or |
3344 | `delete-other-windows' as well as the window resizing functions can now | |
3345 | act on any window including internal ones. | |
dfdb4cad | 3346 | |
c4682d18 MR |
3347 | *** window-total-height/-width vs window-body-height/-width. |
3348 | The function `window-height' has been renamed to `window-total-height' | |
3349 | and `window-width' has been renamed to `window-body-width'. The old | |
3350 | names are provided as aliases. Two new functions `window-total-width' | |
3351 | and `window-body-height' are provided. | |
dfdb4cad | 3352 | |
c4682d18 MR |
3353 | *** Window parameters specific to window handling functions. |
3354 | For each window you can specify a parameter to override the default | |
3355 | behavior of a number of functions like `split-window', `delete-window' | |
ed6235ea MR |
3356 | and `delete-other-windows'. The variable `ignore-window-parameters' |
3357 | allows to ignore processing such parameters. | |
dfdb4cad | 3358 | |
c4682d18 | 3359 | *** New semantics of third argument of `split-window'. |
c4682d18 MR |
3360 | The third argument of `split-window' has been renamed to SIDE and can be |
3361 | set to any of the values 'below, 'right, 'above, or 'left to make the | |
3362 | new window appear on the corresponding side of the window that shall be | |
3363 | split. Any other value of SIDE will cause `split-window' to split the | |
3364 | window into two side-by-side windows as before. | |
dfdb4cad | 3365 | |
c4682d18 | 3366 | *** Window resizing functions. |
487ffd7a | 3367 | A new standard function for resizing windows called `window-resize' has |
c4682d18 MR |
3368 | been introduced. This and all other functions for resizing windows no |
3369 | longer delete any windows when they become too small. | |
dfdb4cad | 3370 | |
b3c0dbfd MR |
3371 | *** Deleting the selected window now selects the most recently selected |
3372 | live window on that frame instead. | |
dfdb4cad | 3373 | |
c4682d18 MR |
3374 | *** `adjust-window-trailing-edge' adjustments. |
3375 | `adjust-window-trailing-edge' can now deal with fixed-size windows and | |
3376 | is able to resize other windows if a window adjacent to the trailing | |
3377 | edge cannot be shrunk any more. This makes its behavior more similar to | |
3378 | that of Emacs 21 without compromising, however, its inability to delete | |
3379 | windows which was introduced in Emacs 22. | |
dfdb4cad | 3380 | |
c4682d18 MR |
3381 | *** Window-local buffer lists. |
3382 | Windows now have local buffer lists. This means that removing a buffer | |
3383 | from display in a window will preferably show the buffer previously | |
3384 | shown in that window with its previous window-start and window-point | |
3385 | positions. This also means that the same buffer may be automatically | |
3386 | shown twice even if it already appears in another window. | |
dfdb4cad | 3387 | |
bee0fcef CY |
3388 | *** `switch-to-buffer' has a new optional argument FORCE-SAME-WINDOW, |
3389 | which if non-nil requires the buffer to be displayed in the currently | |
3390 | selected window, signaling an error otherwise. If nil, another window | |
3391 | can be used, e.g. if the selected one is strongly dedicated. | |
dfdb4cad | 3392 | |
0a2132ba | 3393 | *** `split-window-vertically' and `split-window-horizontally' renamed |
2d197ffb CY |
3394 | to `split-window-below' and `split-window-right' respectively. |
3395 | The old names are kept as aliases. | |
dfdb4cad | 3396 | |
0a2132ba CY |
3397 | *** Display actions |
3398 | ||
3399 | **** The second arg to `display-buffer' and `pop-to-buffer' is now | |
3400 | named ACTION, and takes a display action of the same form as | |
3401 | `display-buffer-base-action' (see Changes, above). A non-nil, | |
3402 | non-list value is treated specially, as the old meaning. | |
3403 | ||
3404 | **** New variable `display-buffer-overriding-action'. | |
3405 | ||
3406 | **** The procedure of `display-buffer' etc. to choose a window is | |
3407 | determined by combining `display-buffer-overriding-action', | |
3408 | `display-buffer-alist', the ACTION arg, `display-buffer-base-action', | |
3409 | and `display-buffer-fallback-action'. The second and fourth of these | |
3410 | are user-customizable variables. | |
3411 | ||
3412 | See the docstring of `display-buffer' for details. | |
bee0fcef | 3413 | |
20d2304d CY |
3414 | *** New functions `window-state-get' and `window-state-put'. |
3415 | These functions allow to save and restore the state of an arbitrary | |
3416 | frame or window as an Elisp object. | |
3417 | ||
a2a25d24 | 3418 | ** Completion |
041d709f | 3419 | |
7d301ae6 CY |
3420 | *** New variable `completion-extra-properties' used to specify extra |
3421 | properties of the current completion: | |
a2a25d24 SM |
3422 | - :annotate-function, same as the old completion-annotate-function. |
3423 | - :exit-function, function to call after completion took place. | |
3424 | ||
7d301ae6 CY |
3425 | *** Functions on `completion-at-point-functions' can return any of the |
3426 | properties valid for `completion-extra-properties'. | |
a2a25d24 | 3427 | |
7d301ae6 | 3428 | *** `completion-annotate-function' is obsolete. |
a2a25d24 | 3429 | |
620c53a6 SM |
3430 | *** New `metadata' method for completion tables. The metadata thus returned |
3431 | can specify various details of the data returned by `all-completions': | |
3432 | - `category' is the kind of objects returned (e.g., `buffer', `file', ...), | |
3433 | used to select a style in completion-category-overrides. | |
3434 | - `annotation-function' to add annotations in *Completions*. | |
3435 | - `display-sort-function' to specify how to sort entries in *Completions*. | |
3436 | - `cycle-sort-function' to specify how to sort entries when cycling. | |
3437 | ||
7d301ae6 CY |
3438 | *** `minibuffer-local-filename-must-match-map' is not used any more. |
3439 | Instead, the bindings in `minibuffer-local-filename-completion-map' | |
3440 | are combined with `minibuffer-local-must-match-map'. | |
de09aa52 CY |
3441 | |
3442 | *** New variable `completing-read-function' allows overriding the | |
3443 | behavior of `completing-read'. | |
3444 | ||
f042970d | 3445 | ** `glyphless-char-display' can now distinguish between graphical and |
16a43933 CY |
3446 | text terminal display, via a char-table entry that is a cons cell. |
3447 | ||
7d301ae6 | 3448 | ** `pre-command-hook'/`post-command-hook' are not reset to nil on error. |
f6d62986 SM |
3449 | Instead, the offending function is removed. |
3450 | ||
b1f6fa26 CY |
3451 | ** New hook types |
3452 | ||
3453 | *** New function `run-hook-wrapped' for running an abnormal hook by | |
3454 | passing the hook functions as arguments to a "wrapping" function. | |
e7bc51d0 | 3455 | Like `run-hook-with-args-until-success', it stops at the first |
5385447f | 3456 | non-nil return value. |
e7bc51d0 | 3457 | |
b1f6fa26 CY |
3458 | *** New macro `with-wrapper-hook' for running an abnormal hook as a |
3459 | set of "wrapping" filters, similar to around advice. | |
54521c99 GM |
3460 | (A version of this macro was actually added in Emacs 23.2 but was not |
3461 | advertised at the time.) | |
f6d62986 | 3462 | |
0b19b281 | 3463 | ** Debugger changes |
dfdb4cad | 3464 | |
0b19b281 | 3465 | *** New macro `condition-case-unless-debug' (this was actually added in |
1be3ca5a | 3466 | Emacs 23.1 as condition-case-no-debug, but not advertised) |
dfdb4cad | 3467 | |
0b19b281 | 3468 | *** The macro `with-demoted-errors' was added in Emacs 23.1, but not advertised. |
dfdb4cad | 3469 | |
0b19b281 | 3470 | *** Variable `stack-trace-on-error' removed. |
dfdb4cad | 3471 | |
0b19b281 CY |
3472 | *** The debugger can now "continue" from an error, which means it will |
3473 | jump to the error handler as if the debugger had not been invoked | |
3474 | instead of jumping all the way to the top-level. | |
dfdb4cad | 3475 | |
0b19b281 CY |
3476 | *** Set `debug-on-event' to enter the debugger on events like SIGUSR1. |
3477 | This can be useful when `inhibit-quit' is set. | |
d6b1d521 | 3478 | |
953cebf5 | 3479 | ** The new function `server-eval-at' allows evaluation of Lisp forms on |
37576acd | 3480 | named Emacs server instances. |
7deebf1b | 3481 | |
1b9f60cc GM |
3482 | ** `call-process' and `call-process-region' allow a `(:file "file")' spec |
3483 | to redirect STDOUT to a file. | |
7deebf1b | 3484 | |
7d301ae6 CY |
3485 | ** The function `format-time-string' now supports the %N directive, |
3486 | for higher-resolution time stamps. | |
da97a9e6 | 3487 | |
0b19b281 | 3488 | ** New input reading functions |
dfdb4cad | 3489 | |
0b19b281 CY |
3490 | *** New function `read-char-choice' reads a restricted set of |
3491 | characters, discarding any inputs not inside the set. | |
dfdb4cad | 3492 | |
0b19b281 CY |
3493 | *** The command `read-color' now requires a match for a color name |
3494 | or RGB triplet, instead of signaling an error if the user provides | |
3495 | invalid input. | |
dfdb4cad | 3496 | |
0b19b281 | 3497 | **** `facemenu-read-color' is now an alias for `read-color'. |
3ef01959 | 3498 | |
2e288d54 JB |
3499 | ** `image-library-alist' is renamed to `dynamic-library-alist'. |
3500 | The variable is now used to load all kind of supported dynamic libraries, | |
3501 | not just image libraries. The previous name is still available as an | |
3502 | obsolete alias. | |
3503 | ||
0b19b281 | 3504 | ** Syntax parsing changes |
dfdb4cad | 3505 | |
0b19b281 | 3506 | *** New variable `syntax-propertize-function'. |
04e2ce72 | 3507 | This replaces `font-lock-syntactic-keywords' which is now obsolete. |
cf38dd42 SM |
3508 | This allows syntax-table properties to be set independently from font-lock: |
3509 | just call syntax-propertize to make sure the text is propertized. | |
3510 | Together with this new variable come a new hook | |
3511 | syntax-propertize-extend-region-functions, as well as two helper functions: | |
3512 | syntax-propertize-via-font-lock to reuse old font-lock-syntactic-keywords | |
3513 | as-is; and syntax-propertize-rules which provides a new way to specify | |
3514 | syntactic rules. | |
dfdb4cad | 3515 | |
0b19b281 | 3516 | *** Syntax tables support a new "comment style c" additionally to style b. |
a2e5caf7 | 3517 | |
7d301ae6 | 3518 | ** New hook `post-self-insert-hook', run after `self-insert-command'. |
041d709f | 3519 | |
4e2db1fe | 3520 | ** frame-local variables cannot be let-bound any more. |
041d709f | 3521 | |
15de15c6 | 3522 | ** Major and minor mode changes |
dfdb4cad | 3523 | |
0b19b281 CY |
3524 | *** `set-auto-mode' now respects mode: local variables at the end of files, |
3525 | as well as those in the -*- line. | |
dfdb4cad | 3526 | |
15de15c6 CY |
3527 | *** `prog-mode' is a new major mode from which programming modes |
3528 | should be derived. | |
dfdb4cad | 3529 | |
15de15c6 CY |
3530 | **** `prog-mode-hook' can be used to enable features for programming |
3531 | modes, e.g. (add-hook 'prog-mode-hook 'flyspell-prog-mode) to enable | |
3532 | on-the-fly spell checking for comments and strings. | |
dfdb4cad | 3533 | |
14dd22d2 JB |
3534 | **** New minor modes `prettify-symbols-mode' and |
3535 | `global-prettify-symbols-mode' let the user enable symbol | |
3536 | prettification (replacing a string like "lambda" with the Greek lambda | |
3537 | character). | |
398b4366 | 3538 | |
15de15c6 CY |
3539 | *** New hook `change-major-mode-after-body-hook', run by |
3540 | `run-mode-hooks' just before any other mode hooks. | |
dfdb4cad | 3541 | |
7a9a2fc6 GM |
3542 | *** Enabled globalized minor modes can be disabled in specific major modes. |
3543 | If the global mode is global-FOO-mode, then run (FOO-mode -1) in the | |
3544 | major mode's hook, where FOO-mode toggles the mode on a per-buffer basis. | |
dfdb4cad | 3545 | |
feb8a83a | 3546 | *** `define-minor-mode' accepts new keywords :variable, :after-hook. |
f44379e7 | 3547 | |
7d301ae6 CY |
3548 | ** File-handling changes |
3549 | ||
7d301ae6 | 3550 | *** `delete-file' and `delete-directory' now accept optional arg TRASH. |
f1a5d776 CY |
3551 | Trashing is performed if TRASH and `delete-by-moving-to-trash' are |
3552 | both non-nil. Interactively, TRASH defaults to t, unless a prefix | |
3553 | argument is supplied (see Trash changes, above). | |
53967e09 | 3554 | |
7d301ae6 | 3555 | *** New file predicates: `file-equal-p', `file-in-directory-p'. |
ec70a47d | 3556 | |
4039c786 CY |
3557 | ** Tool-bars can display separators. |
3558 | Tool-bar separators are handled like menu separators in menu-bar maps, | |
94975270 | 3559 | i.e. via menu entries of the form `(menu-item "--")'. |
9317e499 | 3560 | |
00fe2df1 JL |
3561 | ** Image API |
3562 | ||
18af70d0 CY |
3563 | *** Animated images support (currently animated gifs only). |
3564 | ||
3565 | **** `image-animated-p' returns non-nil if an image can be animated. | |
3566 | ||
3567 | **** `image-animate' animates a supplied image spec. | |
3568 | ||
3569 | **** `image-animate-timer' returns the timer object for an image that | |
3570 | is being animated. | |
00fe2df1 | 3571 | |
7cb76fe0 GM |
3572 | *** `image-extension-data' has been renamed to `image-metadata'. |
3573 | The old name is an obsolete alias to the new one. | |
1546c559 | 3574 | |
b4ac6e8c GM |
3575 | *** Image mode can view any image type that ImageMagick supports. |
3576 | This requires Emacs to be built with ImageMagick support. | |
7d301ae6 CY |
3577 | |
3578 | **** New function `imagemagick-types', defined if ImageMagick support | |
3579 | is enabled, returns a list of image file extensions that your | |
3580 | ImageMagick installation supports. | |
3581 | ||
3582 | **** New function `imagemagick-register-types' enables ImageMagick | |
3583 | image types in Image mode and in `create-image' and other helper | |
3584 | functions. | |
3585 | ||
3586 | **** New option `imagemagick-types-inhibit' excludes certain | |
3587 | ImageMagick image types from `imagemagick-register-types'. | |
3588 | ||
7d301ae6 CY |
3589 | **** With ImageMagick support, there are extra Image mode commands to |
3590 | resize and rotate images: `image-transform-fit-to-height', | |
3591 | `image-transform-fit-to-width', `image-transform-set-rotation', and | |
3592 | `image-transform-set-scale'. | |
041d709f | 3593 | |
7d301ae6 CY |
3594 | ** `compose-mail' now accepts an optional 8th arg, RETURN-ACTION, and |
3595 | passes it to the mail user agent function. This argument specifies an | |
3596 | action for returning to the caller after finishing with the mail. For | |
3597 | example, this is used by Rmail to optionally delete a mail window. | |
b4ac6e8c | 3598 | |
71c17aec | 3599 | ** XML and HTML parsing |
483ab230 CY |
3600 | If Emacs is compiled with libxml2 support, there are two new |
3601 | functions: `libxml-parse-html-region' (which parses "real world" HTML) | |
3602 | and `libxml-parse-xml-region' (which parses XML). Both return an | |
3603 | Emacs Lisp parse tree. | |
4b9832a6 | 3604 | |
7d301ae6 | 3605 | ** Networking and encryption changes |
e2574f2c | 3606 | |
7d301ae6 CY |
3607 | *** `open-network-stream' can now be used to open an encrypted stream. |
3608 | It now accepts an optional `:type' parameter for initiating a TLS | |
3609 | connection, directly or via STARTTLS. To do STARTTLS, additional | |
3610 | parameters (`:end-of-command', `:success', `:capabilities-command') | |
3611 | must also be supplied. | |
3612 | ||
3613 | *** New library gnutls.el. | |
dfdb4cad CY |
3614 | The new function `gnutls-available-p' returns non-nil if Emacs is |
3615 | built with GnuTLS support. The main entry points are | |
3616 | `open-gnutls-stream' and `gnutls-negotiate'. It's easiest to use | |
3617 | these functions through `open-network-stream', because that can | |
7d301ae6 CY |
3618 | upgrade connections through STARTTLS opportunistically or use plain |
3619 | SSL, depending on your needs. For debugging, set `gnutls-log-level' | |
3620 | greater than 0. | |
3621 | ||
7d301ae6 CY |
3622 | *** New primitive `secure-hash' that supports many secure hash algorithms: |
3623 | md5, sha1, sha2, sha224, sha256, sha384, and sha512. The lisp library | |
3624 | sha1.el has been removed. The `sha1' feature is provided by default. | |
71c17aec | 3625 | |
a6020335 MH |
3626 | ** Isearch |
3627 | ||
3628 | *** New hook `isearch-update-post-hook' that runs in `isearch-update'. | |
3629 | ||
9326ba26 CY |
3630 | ** Progress reporters can now "spin". |
3631 | The MIN-VALUE and MAX-VALUE arguments of `make-progress-reporter' can | |
3632 | now be nil, or omitted. This makes a "non-numeric" reporter. Each | |
3633 | time you call `progress-reporter-update' on that progress reporter, | |
3634 | with a nil or omitted VALUE argument, the reporter message is | |
3635 | displayed with a "spinning bar". | |
3636 | ||
3e214b50 JB |
3637 | ** New variable `revert-buffer-in-progress-p' is true while a buffer is |
3638 | being reverted, even if the buffer has a local `revert-buffer-function'. | |
3639 | ||
001bf877 GM |
3640 | ** New variables `delayed-warnings-list' and `delayed-warnings-hook'. |
3641 | If delayed-warnings-list is non-nil, the command loop calls | |
7d301ae6 CY |
3642 | `delayed-warnings-hook' after `post-command-hook'. At present, this |
3643 | is only used by Emacs on some platforms to display warnings during | |
3644 | startup, which might otherwise not be noticed. This uses the | |
3645 | functions `display-delayed-warnings' and `collapse-delayed-warnings'. | |
001bf877 | 3646 | |
6420d28b CY |
3647 | ** rx.el has a new `group-n' construct for explicitly numbered groups. |
3648 | ||
dac86404 GM |
3649 | ** New function `make-composed-keymap' that constructs a new keymap |
3650 | from multiple input maps. You can use this to make a keymap that | |
3651 | inherits from multiple maps, eg: | |
3652 | (set-keymap-parent newmap (make-composed-keymap othermap parent)) | |
43dc9f5b | 3653 | |
c8f6ec5c GM |
3654 | ** New function `string-prefix-p'. |
3655 | (This was actually added in Emacs 23.2 but was not advertised at the time.) | |
3656 | ||
27f7ef2f | 3657 | ** New reader macro ## that stands for the empty symbol. |
43dc9f5b AS |
3658 | This means that the empty symbol can now be read back. Also, #: by itself |
3659 | (when not immediately followed by a possible symbol character) stands for | |
3660 | an empty uninterned symbol. | |
041d709f | 3661 | |
fead402d CY |
3662 | ** New math functions `isnan', `copysign', `frexp', `ldexp'. |
3663 | ||
7d301ae6 | 3664 | ** The following functions and variables are obsolete: |
041d709f | 3665 | |
05f77e38 GM |
3666 | *** `tooltip-use-echo-area' is obsolete. |
3667 | Rather than setting this to t, disable Tooltip mode instead. | |
3668 | ||
041d709f CY |
3669 | *** buffer-substring-filters is obsolete. |
3670 | Use `filter-buffer-substring-functions' instead. | |
3671 | ||
3672 | *** `byte-compile-disable-print-circle' is obsolete. | |
3673 | ||
3674 | *** `deferred-action-list' and `deferred-action-function' are obsolete. | |
f160676e GM |
3675 | Use `post-command-hook' instead. |
3676 | ||
67e729a5 CY |
3677 | *** `font-lock-maximum-size' is obsolete. |
3678 | ||
eb199145 | 3679 | \f |
93e0bed6 | 3680 | * Changes in Emacs 24.1 on Non-Free Operating Systems |
d53a60a6 | 3681 | |
7a22e700 | 3682 | ** On MS Windows, Emacs warns when using the obsolete init file _emacs, |
a2f0118c GM |
3683 | and also when HOME is set to C:\ by default. |
3684 | ||
7a22e700 | 3685 | ** New configure.bat options |
04779484 | 3686 | |
7a22e700 | 3687 | *** --enable-checking builds Emacs with extra runtime checks. |
e3aef5c6 | 3688 | |
7a22e700 | 3689 | *** --distfiles specifies files to be included in binary distribution. |
e2574f2c | 3690 | |
7a22e700 OK |
3691 | *** --without-gnutls disables automatic GnuTLS detection. |
3692 | ||
a0d363f4 | 3693 | *** --lib for general library linkage, works with the USER_LIBS build variable. |
e2574f2c | 3694 | |
0a19a6f8 | 3695 | ** New make target `dist' to create binary distribution for MS Windows. |
e3aef5c6 | 3696 | |
1f5e1a16 GM |
3697 | ** The Lisp function `w32-default-color-map' is now obsolete. |
3698 | (It is only used internally in the Emacs C code.) | |
5430d399 | 3699 | |
1f5e1a16 GM |
3700 | ** Customize ns-auto-hide-menu-bar to have the menu-bar hidden, but |
3701 | reappear on mouse-over. (Requires OS X 10.6 or later.) | |
04e2ce72 | 3702 | |
ad7c802c CY |
3703 | ** On Mac OS X, dragging a file into Emacs visits the file, like on |
3704 | other platforms, rather than inserting its contents into the buffer. | |
3705 | ||
05197f40 | 3706 | \f |
a933dad1 | 3707 | ---------------------------------------------------------------------- |
5b87ad55 | 3708 | This file is part of GNU Emacs. |
a933dad1 | 3709 | |
ab73e885 | 3710 | GNU Emacs is free software: you can redistribute it and/or modify |
5b87ad55 | 3711 | it under the terms of the GNU General Public License as published by |
ab73e885 GM |
3712 | the Free Software Foundation, either version 3 of the License, or |
3713 | (at your option) any later version. | |
5b87ad55 GM |
3714 | |
3715 | GNU Emacs is distributed in the hope that it will be useful, | |
3716 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
3717 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
3718 | GNU General Public License for more details. | |
a933dad1 | 3719 | |
5b87ad55 | 3720 | You should have received a copy of the GNU General Public License |
ab73e885 | 3721 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
a933dad1 | 3722 | |
05197f40 | 3723 | \f |
a933dad1 DL |
3724 | Local variables: |
3725 | mode: outline | |
3726 | paragraph-separate: "[ \f]*$" | |
3727 | end: |