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29b7722a | 1 | GNU Emacs NEWS -- history of user-visible changes. |
5b87ad55 | 2 | |
a1ed8b05 | 3 | Copyright (C) 2010-2012 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. | |
6bc66c10 | 16 | |
a1ed8b05 | 17 | \f |
2a1e2476 | 18 | * Installation Changes in Emacs 24.3 |
b8df54ff | 19 | |
6bc66c10 | 20 | ** The default X toolkit is now Gtk+ version 3. |
823b2fb6 GM |
21 | If you don't pass `--with-x-toolkit' to configure, or if you use |
22 | `--with-x-toolkit=gtk' or `--with-x-toolkit=yes', configure will try | |
23 | to build with Gtk+ version 3, and if that fails, try Gtk+ version 2. | |
d71a6517 | 24 | You can explicitly require a specific version by passing |
823b2fb6 | 25 | `--with-x-toolkit=gtk2' or `--with-x-toolkit=gtk3' to configure. |
d71a6517 | 26 | |
6bc66c10 | 27 | ** New configure option `--enable-link-time-optimization', to utilize |
da3d2105 DA |
28 | an appropriate feature provided by GCC since version 4.5.0. |
29 | ||
823b2fb6 | 30 | ** New configure option `--enable-gcc-warnings', intended for developers. |
b8df54ff PE |
31 | If building with GCC, this enables compile-time checks that warn about |
32 | possibly-questionable C code. On a recent GNU system there should be | |
33 | no warnings; on older and on non-GNU systems the generated warnings | |
ae6e112d | 34 | may be useful. |
b8df54ff | 35 | |
823b2fb6 | 36 | ** The configure option `--enable-use-lisp-union-type' has been |
6bc66c10 | 37 | renamed to `--enable-check-lisp-object-type', as the resulting |
d71a6517 GM |
38 | Lisp_Object type no longer uses a union to implement the compile time |
39 | check that this option enables. | |
40 | ||
6bc66c10 GM |
41 | ** New configure option `--without-all' to disable most of the optional |
42 | features (image support, etc.) that are normally enabled by default. | |
43 | ||
823b2fb6 | 44 | ** The configure option `--disable-maintainer-mode' has been removed, |
501390c5 PE |
45 | as it was confusingly-named and rarely useful. |
46 | ||
f14a4380 GM |
47 | ** The configure options `--program-prefix', `--program-suffix', and |
48 | `--program-transform-name' apply to more than just the installed | |
49 | binaries. Now they also affect the man pages, icons, and the | |
50 | etc/emacs.desktop file; but not the info pages, since this would break | |
51 | links between the various manuals. | |
1a9c6830 | 52 | |
823b2fb6 GM |
53 | ** You can use `NO_BIN_LINK=t make install' to prevent the installation |
54 | overwriting "emacs" in the installation bin/ directory with a link | |
6bc66c10 | 55 | to "emacs-VERSION". |
823b2fb6 | 56 | |
a4a18b8b GM |
57 | ** Emacs uses libtinfo in preference to libncurses, if available. |
58 | ||
187e9b90 GM |
59 | ** On FreeBSD and NetBSD, configure no longer adds /usr/local/lib and |
60 | /usr/pkg/lib to the linker search path. You must add them yourself if | |
61 | you want them. | |
62 | ||
6bc66c10 | 63 | ** The standalone scripts `rcs-checkin' and `vcdiff' have been removed |
276d5f5d GM |
64 | (from the bin and libexec directories, respectively). The former is |
65 | no longer relevant, the latter is replaced by lisp (in vc-sccs.el). | |
66 | ||
a1ed8b05 | 67 | \f |
2a1e2476 | 68 | * Startup Changes in Emacs 24.3 |
e5fcdb5e GM |
69 | |
70 | ** Emacs no longer searches for `leim-list.el' files beneath the standard | |
71 | lisp/ directory. There should not be any there anyway. If you have | |
823b2fb6 | 72 | been adding them there, put them somewhere else; e.g., site-lisp. |
e5fcdb5e | 73 | |
4107c81e GM |
74 | ** The `--no-site-lisp' command line option now works for Nextstep builds. |
75 | ||
a1ed8b05 | 76 | \f |
2a1e2476 | 77 | * Changes in Emacs 24.3 |
a1ed8b05 | 78 | |
6bc66c10 | 79 | ** Help |
c89926a5 | 80 | |
6bc66c10 | 81 | *** `C-h f' (`describe-function') can now perform autoloading. |
c89926a5 CY |
82 | When this command is called for an autoloaded function whose docstring |
83 | contains a key substitution construct, that function's library is | |
84 | automatically loaded, so that the documentation can be shown | |
85 | correctly. To disable this, set `help-enable-auto-load' to nil. | |
86 | ||
87 | *** `C-h f' now reports previously-autoloaded functions as "autoloaded", | |
88 | even after their associated libraries have been loaded (and the | |
89 | autoloads have been redefined as functions). | |
90 | ||
6bc66c10 | 91 | ** ImageMagick |
2f940384 | 92 | |
6bc66c10 GM |
93 | *** Images displayed via ImageMagick now support transparency and the |
94 | :background image specification property. | |
cd996018 | 95 | |
6bc66c10 | 96 | *** When available, ImageMagick support is automatically enabled. |
c505aaeb CY |
97 | It is no longer necessary to call `imagemagick-register-types' |
98 | explicitly to install ImageMagick image types; that function is called | |
7d806bfe | 99 | automatically at startup, or when customizing an imagemagick- option. |
2f940384 | 100 | |
c505aaeb | 101 | *** Setting `imagemagick-types-inhibit' to t now disables the use of |
823b2fb6 GM |
102 | ImageMagick to view images. (You must call `imagemagick-register-types' |
103 | afterwards if you do not use customize to change this.) | |
2f940384 | 104 | |
7afbaca4 | 105 | *** The new variable `imagemagick-enabled-types' also affects which |
60b5f187 GM |
106 | ImageMagick types are treated as images. The function |
107 | `imagemagick-filter-types' returns the list of types that will be | |
108 | treated as images. | |
2f940384 | 109 | |
6bc66c10 GM |
110 | ** Minibuffer |
111 | ||
112 | *** In minibuffer filename prompts, `C-M-f' and `C-M-b' now move to the | |
113 | next and previous path separator, respectively. | |
c505aaeb | 114 | |
6bc66c10 GM |
115 | *** `minibuffer-electric-default-mode' can shorten "(default ...)" to "[...]" |
116 | in minibuffer prompts. Just set `minibuffer-eldef-shorten-default' | |
117 | non-nil before enabling the mode. | |
118 | ||
119 | ** Mode line | |
120 | ||
121 | *** New option `mode-line-default-help-echo' specifies the help text | |
122 | (shown in a tooltip or in the echo area) for any part of the mode line | |
123 | that does not have its own specialized help text. | |
124 | ||
125 | *** You can now click mouse-3 in the coding system indicator to invoke | |
126 | `set-buffer-file-coding-system'. | |
127 | ||
128 | ** Server and client | |
2f940384 | 129 | |
f938eda9 CY |
130 | *** emacsclient now obeys string values for `initial-buffer-choice', |
131 | if it is told to open a new frame without specifying any file to visit | |
132 | or expression to evaluate. | |
2f940384 | 133 | |
f938eda9 | 134 | *** New option `server-auth-key' specifies a shared server key. |
db80bdc8 | 135 | |
f938eda9 CY |
136 | ** Emacs now generates backtraces on fatal errors. |
137 | On encountering a fatal error, Emacs now outputs a textual description | |
138 | of the fatal signal, and a short backtrace on platforms like glibc | |
139 | that support backtraces. | |
2e2d2a13 | 140 | |
6bc66c10 GM |
141 | ** `C-x C-q' is now bound to the new minor mode `read-only-mode'. |
142 | This minor mode replaces `toggle-read-only', which is now obsolete. | |
143 | ||
144 | ** Most `y-or-n' prompts now allow you to scroll the selected window. | |
145 | Typing `C-v' or `M-v' at a y-or-n prompt scrolls forward or backward | |
146 | respectively, without exiting from the prompt. | |
147 | ||
148 | ** In the Package Menu, newly-available packages are listed as "new", | |
149 | and sorted above the other "available" packages by default. | |
150 | ||
f938eda9 CY |
151 | ** If your Emacs was built from a bzr checkout, the new variable |
152 | `emacs-bzr-version' contains information about the bzr revision used. | |
de6ff46d | 153 | |
6bc66c10 | 154 | ** New option `create-lockfiles' specifies usage of lockfiles. |
f938eda9 CY |
155 | It defaults to t. Changing it to nil inhibits the creation of lock |
156 | files (use this with caution). | |
dc0f75c8 | 157 | |
6bc66c10 GM |
158 | ** New option `enable-remote-dir-locals', if non-nil, allows directory-local |
159 | variables on remote hosts. | |
21ffb35a | 160 | |
f85f636a CY |
161 | ** The entry for PCL-CVS has been removed from the Tools menu. |
162 | The PCL-CVS commands are still available via the keyboard. | |
163 | ||
6bc66c10 GM |
164 | ** Using "unibyte: t" in Lisp source files is obsolete. |
165 | Use "coding: raw-text" instead. | |
166 | ||
167 | ** Internationalization | |
2f940384 | 168 | |
f938eda9 | 169 | *** New language environment: Persian. |
2f940384 | 170 | |
f938eda9 CY |
171 | *** New input method `vietnamese-vni'. |
172 | ||
6bc66c10 | 173 | ** Nextstep (GNUstep / Mac OS X) port |
2f940384 | 174 | |
823b2fb6 | 175 | *** Support for fullscreen and the frame parameter fullscreen. |
2f940384 | 176 | |
1a9c6830 GM |
177 | *** A file dialog is used for open/save operations initiated from the |
178 | menu/toolbar. | |
179 | ||
a1ed8b05 | 180 | \f |
2a1e2476 | 181 | * Editing Changes in Emacs 24.3 |
c25df26e | 182 | |
6bc66c10 | 183 | ** Search and Replace |
2f940384 | 184 | |
f938eda9 CY |
185 | *** Non-regexp Isearch now performs "lax" space matching. |
186 | Each sequence of spaces in the supplied search string may match any | |
187 | sequence of one or more whitespace characters, as specified by the | |
188 | variable `search-whitespace-regexp'. (This variable is also used by a | |
823b2fb6 | 189 | similar existing feature for regexp Isearch.) |
2f940384 | 190 | |
f938eda9 CY |
191 | *** New Isearch command `M-s SPC' toggles lax space matching. |
192 | This applies to both ordinary and regexp Isearch. | |
2f940384 | 193 | |
f938eda9 CY |
194 | *** New option `replace-lax-whitespace'. |
195 | If non-nil, `query-replace' uses flexible whitespace matching too. | |
196 | The default is nil. | |
2f940384 | 197 | |
b9cb2387 JL |
198 | *** Global `M-s _' starts a symbol (identifier) incremental search, |
199 | and `M-s _' in Isearch toggles symbol search mode. | |
200 | `M-s c' in Isearch toggles search case-sensitivity. | |
201 | ||
6bc66c10 GM |
202 | ** Navigation commands |
203 | ||
204 | *** New binding `M-g c' for `goto-char'. | |
205 | ||
206 | *** New binding `M-g TAB' for `move-to-column'. | |
207 | ||
208 | *** `M-g TAB' (`move-to-column') prompts for a column number if called | |
209 | interactively with no prefix arg. Previously, it moved to column 1. | |
210 | ||
211 | ** New option `yank-handled-properties' allows processing of text | |
212 | properties on yanked text, in ways that are more general than just | |
213 | removing them (as is done by `yank-excluded-properties'). | |
214 | ||
215 | ** New option `delete-trailing-lines' specifies whether | |
216 | M-x delete-trailing-whitespace should delete trailing lines at the end | |
217 | of the buffer. It defaults to t. | |
218 | ||
219 | ** `C-u M-=' now counts lines/words/characters in the entire buffer. | |
220 | ||
48de8b12 CY |
221 | ** `C-x 8 RET' is now bound to `insert-char', which is now a command. |
222 | `ucs-insert' is now an obsolete alias for `insert-char'. | |
223 | ||
48de8b12 CY |
224 | ** The `z' key no longer has a binding in most special modes. |
225 | It used to be bound to `kill-this-buffer', but `z' is too easy to | |
226 | accidentally type. | |
227 | ||
6bc66c10 GM |
228 | ** New command `C-x r M-w' (`copy-rectangle-as-kill'). |
229 | It copies the region-rectangle as the last rectangle kill. | |
48de8b12 | 230 | |
6bc66c10 | 231 | ** Registers |
2f940384 | 232 | |
823b2fb6 | 233 | *** `C-x r +' is now overloaded to invoke `append-to-register'. |
2f940384 | 234 | |
f938eda9 | 235 | *** New option `register-separator' specifies the register containing |
823b2fb6 GM |
236 | the text to put between collected texts for use with |
237 | M-x append-to-register and M-x prepend-to-register. | |
dd7ffad6 | 238 | |
a1ed8b05 | 239 | \f |
2a1e2476 | 240 | * Changes in Specialized Modes and Packages in Emacs 24.3 |
b2459884 | 241 | |
6bc66c10 | 242 | ** Common Lisp emulation (CL) |
f938eda9 | 243 | |
89660017 | 244 | *** CL's main entry is now (require 'cl-lib). |
823b2fb6 GM |
245 | `cl-lib' is like the old `cl' except that it uses the namespace cleanly; |
246 | i.e., all its definitions have the "cl-" prefix (and internal definitions | |
247 | use the "cl--" prefix). | |
7c1898a7 | 248 | |
823b2fb6 GM |
249 | If `cl' provided a feature under the name `foo', then `cl-lib' |
250 | provides it under the name `cl-foo' instead; with the exceptions of the | |
251 | few `cl' definitions that had to use `foo*' to avoid conflicts with | |
252 | pre-existing Elisp entities. These have been renamed to `cl-foo' | |
253 | rather than `cl-foo*'. | |
7c1898a7 | 254 | |
92246540 | 255 | The old `cl' is now deprecated and is mainly just a bunch of aliases that |
823b2fb6 | 256 | provide the old, non-prefixed names. Some exceptions are listed below: |
7c1898a7 | 257 | |
89660017 SM |
258 | *** `cl-flet' is not like `flet' (which is deprecated). |
259 | Instead it obeys the behavior of Common-Lisp's `flet'. | |
e8693c96 GM |
260 | In particular, in cl-flet function definitions are lexically scoped, |
261 | whereas in flet the scoping is dynamic. | |
89660017 SM |
262 | |
263 | *** `cl-labels' is slightly different from `labels'. | |
823b2fb6 GM |
264 | The difference is that it relies on the `lexical-binding' machinery |
265 | (as opposed to the `lexical-let' machinery used previously) to capture | |
266 | definitions in closures, so such closures will only work if `lexical-binding' | |
267 | is in use. | |
89660017 | 268 | |
f94b04fc | 269 | *** `cl-letf' is not exactly like `letf'. |
4ddedf94 GM |
270 | The only difference is in details that relate to some deprecated usage |
271 | of `symbol-function' in place forms. | |
f94b04fc | 272 | |
89660017 | 273 | *** `progv' was rewritten to use the `let' machinery. |
823b2fb6 GM |
274 | A side effect is that variables without corresponding values are bound |
275 | to nil rather than being made unbound. | |
89660017 | 276 | |
9512f820 GM |
277 | *** The following methods of extending `setf' are obsolete |
278 | (use features from gv.el instead): | |
279 | `define-modify-macro' (use `gv-letplace') | |
031b2ea7 GM |
280 | `defsetf' (use `gv-define-simple-setter' or `gv-define-setter') |
281 | `define-setf-expander' (use `gv-define-setter' or `gv-define-expander') | |
2b4da3ff | 282 | `get-setf-method' no longer exists (see "Incompatible Lisp Changes") |
f94b04fc | 283 | |
6bc66c10 | 284 | ** Diff mode |
f938eda9 | 285 | |
6bc66c10 GM |
286 | *** Changes are now highlighted using the same color scheme as in |
287 | modern VCSes. Deletions are displayed in red (new faces | |
288 | `diff-refine-removed' and `smerge-refined-removed', and new definition | |
289 | of `diff-removed'), insertions in green (new faces `diff-refine-added' | |
290 | and `smerge-refined-added', and new definition of `diff-added'). | |
2f940384 | 291 | |
6bc66c10 GM |
292 | *** The variable `diff-use-changed-face' defines whether to use the |
293 | face `diff-changed', or `diff-removed' and `diff-added' to highlight | |
294 | changes in context diffs. | |
2f940384 | 295 | |
6bc66c10 GM |
296 | *** The new command `diff-delete-trailing-whitespace' removes trailing |
297 | whitespace introduced by a diff. | |
f938eda9 | 298 | |
6bc66c10 GM |
299 | ** Ediff now uses the same color scheme as Diff mode. |
300 | ||
301 | ** Python mode | |
302 | ||
303 | A new version of python.el, which provides several new features, including: | |
304 | per-buffer shells, better indentation, Python 3 support, and improved | |
305 | shell-interaction compatible with iPython (and virtually any other | |
306 | text based shell). | |
307 | ||
308 | *** Some user options have been replaced/renamed, including (old -> new): | |
309 | **** python-indent -> python-indent-offset | |
310 | **** python-guess-indent -> python-indent-guess-indent-offset | |
311 | **** python-pdbtrack-do-tracking-p -> python-pdbtrack-activate | |
312 | **** python-use-skeletons -> python-skeleton-autoinsert | |
313 | ||
314 | *** Some user options have been removed, including: | |
315 | ||
316 | **** `python-indent-string-contents': Strings are never indented. | |
317 | ||
318 | **** `python-honour-comment-indentation': | |
319 | Comments are never considered as indentation markers themselves. | |
320 | ||
321 | **** `python-continuation-offset': Indentation is automatically | |
322 | calculated in a pep8 compliant way depending on the context. | |
323 | ||
324 | **** `python-shell-prompt-alist', `python-shell-continuation-prompt-alist': | |
325 | Have no direct mapping as the shell interaction is completely different. | |
326 | ||
327 | **** `python-python-command', `python-jython-command': | |
328 | Replaced by `python-shell-interpreter'. | |
329 | ||
330 | **** `inferior-python-filter-regexp', `python-remove-cwd-from-path', | |
331 | `python-pdbtrack-minor-mode-string', `python-source-modes': | |
332 | No longer relevant. | |
333 | ||
334 | *** Some commands have been replaced (old -> new): | |
335 | **** python-insert-class -> python-skeleton-class | |
336 | **** python-insert-def -> python-skeleton-def | |
337 | **** python-insert-for -> python-skeleton-for | |
338 | **** python-insert-if -> python-skeleton-if | |
339 | **** python-insert-try/except -> python-skeleton-try | |
340 | **** python-insert-try/finally -> python-skeleton-try | |
341 | **** python-insert-while -> python-skeleton-while | |
342 | **** python-find-function -> python-nav-jump-to-defun | |
343 | **** python-next-statement -> python-nav-forward-sentence | |
344 | **** python-previous-statement -> python-nav-backward-sentence | |
345 | **** python-beginning-of-defun-function -> python-nav-beginning-of-defun | |
346 | **** python-end-of-defun-function -> python-nav-end-of-defun | |
347 | **** python-send-buffer -> python-shell-send-buffer | |
348 | **** python-send-defun -> python-shell-send-defun | |
349 | **** python-send-region -> python-shell-send-region | |
350 | **** python-send-region-and-go -> emulate with python-shell-send-region | |
351 | and python-shell-switch-to-shell | |
352 | **** python-send-string -> python-shell-send-string | |
353 | **** python-switch-to-python -> python-shell-switch-to-shell | |
354 | **** python-describe-symbol -> python-eldoc-at-point | |
e76f0800 | 355 | |
f938eda9 CY |
356 | ** D-Bus |
357 | ||
f938eda9 CY |
358 | *** New variables `dbus-compiled-version' and `dbus-runtime-version'. |
359 | ||
f938eda9 CY |
360 | *** The D-Bus object manager interface is implemented. |
361 | ||
f938eda9 CY |
362 | *** Variables of type :(u)int32 and :(u)int64 accept floating points, |
363 | if their value does not fit into Emacs's integer range. | |
364 | ||
823b2fb6 GM |
365 | *** The function `dbus-call-method' is now non-blocking. |
366 | It can be interrupted by `C-g'. `dbus-call-method-non-blocking' is obsolete. | |
f938eda9 | 367 | |
823b2fb6 | 368 | *** Signals can also be sent as unicast messages. |
f938eda9 | 369 | |
f938eda9 | 370 | *** The argument list of `dbus-register-signal' has been extended, |
6bc66c10 | 371 | according to the new match rule types of D-Bus. |
f938eda9 | 372 | |
f938eda9 CY |
373 | *** `dbus-init-bus' supports private connections. |
374 | ||
f938eda9 CY |
375 | *** There is a new function `dbus-setenv'. |
376 | ||
6bc66c10 GM |
377 | ** `desktop-path' no longer includes the "." directory. |
378 | Desktop files are now located in ~/.emacs.d by default. | |
f938eda9 CY |
379 | |
380 | ** Dired | |
2f940384 | 381 | |
f938eda9 CY |
382 | *** `dired-do-async-shell-command' executes each file sequentially |
383 | if the command ends in `;' (when operating on multiple files). | |
384 | Otherwise, it executes the command on each file in parallel. | |
2f940384 | 385 | |
823b2fb6 GM |
386 | *** Typing `M-n' in the minibuffer of `dired-do-chmod', `dired-do-chgrp', |
387 | `dired-do-chown', and `dired-do-touch' yanks the attributes of the | |
f938eda9 | 388 | file at point. |
2f940384 | 389 | |
f938eda9 | 390 | *** When the region is active, `m' (`dired-mark'), `u' (`dired-unmark'), |
823b2fb6 | 391 | `DEL' (`dired-unmark-backward'), and `d' (`dired-flag-file-deletion') |
f938eda9 | 392 | mark/unmark/flag all files in the active region. |
2f940384 | 393 | |
f938eda9 CY |
394 | *** The minibuffer default for `=' (`dired-diff) has changed. |
395 | It is now the backup file for the file at point, if one exists. | |
396 | In Transient Mark mode the default is the file at the active mark. | |
2f940384 | 397 | |
f938eda9 CY |
398 | *** `M-=' is no longer bound to `dired-backup-diff' in Dired buffers. |
399 | The global binding for `M-=', `count-words-region' is in effect. | |
400 | ||
02969baf GM |
401 | ** ERC |
402 | ||
6e5e9b70 GM |
403 | *** New module "notifications", which can send a notification when you |
404 | receive a private message or your nickname is mentioned. | |
02969baf GM |
405 | |
406 | *** ERC will look up server/channel names via auth-source and use any | |
407 | channel keys found. | |
f938eda9 | 408 | |
274f5de6 GM |
409 | *** New option `erc-lurker-hide-list', similar to `erc-hide-list', but |
410 | only applies to messages sent by lurkers. | |
f925b109 | 411 | |
6bc66c10 | 412 | ** reStructuredText mode |
f938eda9 | 413 | |
6bc66c10 GM |
414 | *** Keybindings (see `C-c C-h'), TAB indentation, filling and auto-filling, |
415 | fontification, comment handling, and customization have all been revised | |
416 | and improved. | |
f938eda9 | 417 | |
6bc66c10 | 418 | *** Support for `imenu' and `which-function-mode'. |
f938eda9 | 419 | |
6bc66c10 GM |
420 | *** The reStructuredText syntax is more closely covered. |
421 | Sphinx support has been improved. | |
f938eda9 | 422 | |
6bc66c10 | 423 | *** `rst-insert-list' inserts new list or continues existing lists. |
bc7be45d | 424 | |
6bc66c10 | 425 | *** A negative prefix argument always works for `rst-adjust'. |
358c19d9 | 426 | |
6bc66c10 | 427 | *** The window configuration is reset after displaying a TOC. |
40d8bcb8 | 428 | |
6bc66c10 | 429 | *** The constant `rst-version' describes the rst.el package version. |
40d8bcb8 | 430 | |
6bc66c10 | 431 | ** Shell Script mode |
40d8bcb8 | 432 | |
6bc66c10 | 433 | *** Pairing of parens/quotes uses `electric-pair-mode' instead of skeleton-pair. |
40d8bcb8 | 434 | |
6bc66c10 | 435 | *** `sh-electric-here-document-mode' now controls auto-insertion of here-docs. |
40d8bcb8 | 436 | |
6bc66c10 | 437 | *** `sh-use-smie' lets you choose a new indentation and navigation code. |
40d8bcb8 | 438 | |
6bc66c10 | 439 | ** VHDL mode |
40d8bcb8 | 440 | |
6bc66c10 | 441 | *** The free software compiler GHDL is supported (and now the default). |
40d8bcb8 | 442 | |
6bc66c10 | 443 | *** Support for the VHDL-AMS packages has been added/updated. |
40d8bcb8 | 444 | |
6bc66c10 | 445 | *** Updated to the 2002 revision of the VHDL standard. |
40d8bcb8 | 446 | |
6bc66c10 | 447 | *** Accepts \r and \f as whitespace. |
d13c8be6 | 448 | |
6bc66c10 | 449 | ** Apropos |
d13c8be6 | 450 | |
6bc66c10 GM |
451 | *** The faces used by Apropos are now directly customizable. |
452 | These faces are named `apropos-symbol', `apropos-keybinding', and so on; | |
453 | see the `apropos' Custom group for details. | |
d13c8be6 | 454 | |
6bc66c10 GM |
455 | *** The old options whose values specified faces to use have been removed |
456 | (i.e. `apropos-symbol-face', `apropos-keybinding-face', etc.). | |
d13c8be6 | 457 | |
6bc66c10 | 458 | ** Buffer Menu |
d13c8be6 | 459 | |
6bc66c10 | 460 | *** This package has been rewritten to use Tabulated List mode. |
d13c8be6 | 461 | |
6bc66c10 GM |
462 | *** Option `Buffer-menu-buffer+size-width' is now obsolete. |
463 | Use `Buffer-menu-name-width' and `Buffer-menu-size-width' instead. | |
d13c8be6 | 464 | |
6bc66c10 | 465 | ** Calendar |
ee97deee | 466 | |
6bc66c10 GM |
467 | *** You can customize the header text that appears above each calendar month. |
468 | See the variable `calendar-month-header'. | |
8b0823d6 | 469 | |
6bc66c10 | 470 | *** New LaTeX calendar style, produced by `cal-tex-cursor-week2-summary'. |
42917e79 | 471 | |
6bc66c10 GM |
472 | *** The calendars produced by cal-html include holidays. |
473 | Customize `cal-html-holidays' to change this. | |
35d98877 | 474 | |
6bc66c10 | 475 | ** Compile has a new option `compilation-always-kill'. |
35d98877 | 476 | |
6bc66c10 | 477 | ** Customize |
17711ed9 | 478 | |
6bc66c10 | 479 | *** `custom-reset-button-menu' now defaults to t. |
782fbf2a | 480 | |
6bc66c10 GM |
481 | *** Non-option variables are never matched in `customize-apropos' and |
482 | `customize-apropos-options' (i.e., the prefix argument does nothing for | |
483 | these commands now). | |
fc72b15c | 484 | |
f938eda9 | 485 | ** Term |
2f940384 | 486 | |
823b2fb6 GM |
487 | *** The variables `term-default-fg-color' and `term-default-bg-color' |
488 | are now deprecated in favor of the customizable face `term'. | |
2f940384 | 489 | |
02969baf GM |
490 | *** You can customize how to display ANSI terminal colors and styles |
491 | by customizing the corresponding `term-color-<COLOR>', | |
492 | `term-color-underline' and `term-color-bold' faces. | |
cf20dee0 | 493 | |
05ecb497 | 494 | ** Tramp |
2f940384 | 495 | |
02969baf | 496 | *** The syntax has been extended in order to allow ad-hoc proxy definitions. |
2f940384 | 497 | |
823b2fb6 | 498 | *** Remote processes are now also supported on remote MS-Windows hosts. |
05ecb497 | 499 | |
ce7b18ec | 500 | ** URL |
2f940384 | 501 | |
ce7b18ec CY |
502 | *** Structs made by `url-generic-parse-url' have nil `attributes' slot. |
503 | Previously, this slot stored semicolon-separated attribute-value pairs | |
504 | appended to some imap URLs, but this is not compatible with RFC 3986. | |
823b2fb6 | 505 | So now the `filename' slot stores the entire path and query components, |
ce7b18ec | 506 | and the `attributes' slot is always nil. |
2f940384 | 507 | |
ce7b18ec CY |
508 | *** New function `url-encode-url' for encoding a URI string. |
509 | The `url-retrieve' function now uses this to encode its URL argument, | |
510 | in case that is not properly encoded. | |
511 | ||
6bc66c10 GM |
512 | ** notifications.el supports now version 1.2 of the Notifications API. |
513 | The function `notifications-get-capabilities' returns the supported | |
514 | server properties. | |
f938eda9 | 515 | |
6bc66c10 GM |
516 | ** Flymake uses fringe bitmaps to indicate errors and warnings. |
517 | See `flymake-fringe-indicator-position', `flymake-error-bitmap' and | |
518 | `flymake-warning-bitmap'. | |
f938eda9 | 519 | |
6bc66c10 GM |
520 | ** The FFAP option `ffap-url-unwrap-remote' can now be a list of strings, |
521 | specifying URL types that should be converted to remote file names at | |
522 | the FFAP prompt. The default is now '("ftp"). | |
f938eda9 | 523 | |
6bc66c10 GM |
524 | ** New Ibuffer `derived-mode' filter, bound to `/ M'. |
525 | The old binding for `/ M' (filter by used-mode) is now bound to `/ m'. | |
f938eda9 | 526 | |
6bc66c10 GM |
527 | ** New option `mouse-avoidance-banish-position' specifies where the |
528 | `banish' mouse avoidance setting moves the mouse. | |
529 | ||
530 | ** In Perl mode, new option `perl-indent-parens-as-block' causes non-block | |
531 | closing brackets to be aligned with the line of the opening bracket. | |
532 | ||
533 | ** In Proced mode, new command `proced-renice' renices marked processes. | |
534 | ||
535 | ** New option `async-shell-command-buffer' specifies the buffer to use | |
536 | for a new asynchronous `shell-command' when the default output buffer | |
537 | `*Async Shell Command*' is already in use. | |
538 | ||
539 | ** SQL mode has a new option `sql-db2-escape-newlines'. | |
540 | If non-nil, newlines sent to the command interpreter will be escaped | |
541 | by a backslash. The default does not escape the newlines and assumes | |
542 | that the sql statement will be terminated by a semicolon. | |
543 | ||
544 | ** New command `tabulated-list-sort', bound to `S' in Tabulated List mode | |
545 | (and modes that derive from it), sorts the column at point, or the Nth | |
546 | column if a numeric prefix argument is given. | |
f938eda9 | 547 | |
02969baf | 548 | ** `which-func-modes' now defaults to t, so Which Function mode, when |
05b621a6 | 549 | enabled, applies to all applicable major modes. |
f938eda9 | 550 | |
6bc66c10 | 551 | ** `winner-mode-hook' now runs when the mode is disabled, as well as when |
823b2fb6 | 552 | it is enabled. |
f938eda9 | 553 | |
6bc66c10 GM |
554 | ** Follow mode no longer works by using advice. |
555 | The option `follow-intercept-processes' has been removed. | |
556 | ||
557 | ** `javascript-generic-mode' is now an obsolete alias for `js-mode'. | |
558 | ||
d1069532 SM |
559 | ** Hooks renamed to avoid obsolete "-hooks" suffix: |
560 | *** semantic-lex-reset-hooks -> semantic-lex-reset-functions | |
561 | *** semantic-change-hooks -> semantic-change-functions | |
562 | *** semantic-edits-new-change-hooks -> semantic-edits-new-change-functions | |
563 | *** semantic-edits-delete-change-hooks -> semantic-edits-delete-change-functions | |
564 | *** semantic-edits-reparse-change-hooks -> semantic-edits-reparse-change-functions | |
565 | *** semanticdb-save-database-hooks -> semanticdb-save-database-functions | |
566 | *** c-prepare-bug-report-hooks -> c-prepare-bug-report-hook | |
567 | *** rcirc-sentinel-hooks -> rcirc-sentinel-functions | |
568 | *** rcirc-receive-message-hooks -> rcirc-receive-message-functions | |
569 | *** rcirc-activity-hooks -> rcirc-activity-functions | |
570 | *** rcirc-print-hooks -> rcirc-print-functions | |
571 | *** dbus-event-error-hooks -> dbus-event-error-functions | |
572 | *** eieio-pre-method-execution-hooks -> eieio-pre-method-execution-functions | |
573 | *** checkdoc-style-hooks -> checkdoc-style-functions | |
574 | *** checkdoc-comment-style-hooks -> checkdoc-comment-style-functions | |
575 | *** archive-extract-hooks -> archive-extract-hook | |
576 | *** filesets-cache-fill-content-hooks -> filesets-cache-fill-content-hook | |
577 | *** hfy-post-html-hooks -> hfy-post-html-hook | |
578 | *** nndiary-request-create-group-hooks -> nndiary-request-create-group-functions | |
579 | *** nndiary-request-update-info-hooks -> nndiary-request-update-info-functions | |
580 | *** nndiary-request-accept-article-hooks -> nndiary-request-accept-article-functions | |
581 | *** gnus-subscribe-newsgroup-hooks -> gnus-subscribe-newsgroup-functions | |
f938eda9 | 582 | |
6bc66c10 | 583 | ** Obsolete packages |
2f940384 | 584 | |
797e6e88 SM |
585 | *** assoc.el |
586 | In most cases, assoc+member+push+delq work just as well. | |
587 | And in any case it's just a terrible package: ugly semantics, terrible | |
588 | inefficiency, and not namespace-clean. | |
2f940384 | 589 | |
3c74813a | 590 | *** bruce.el |
2f940384 | 591 | |
b4617547 | 592 | *** cust-print.el |
2f940384 | 593 | |
daed4003 | 594 | *** ledit.el |
2f940384 | 595 | |
82f289a4 | 596 | *** mailpost.el |
2f940384 | 597 | |
d57de7fe | 598 | *** mouse-sel.el |
2f940384 | 599 | |
3c74813a | 600 | *** patcomp.el |
d32926ff | 601 | |
a1ed8b05 | 602 | \f |
2a1e2476 | 603 | * Incompatible Lisp Changes in Emacs 24.3 |
b4d3bc10 | 604 | |
6bc66c10 GM |
605 | ** Docstrings starting with `*' no longer indicate user options. |
606 | Only variables defined using `defcustom' are considered user options. | |
607 | The function `user-variable-p' is now an obsolete alias for | |
608 | `custom-variable-p'. | |
609 | ||
610 | ** The return values of `defalias', `defun' and `defmacro' have changed, | |
611 | and are now undefined. For backwards compatibility, `defun' and | |
612 | `defmacro' currently return the name of the newly defined | |
613 | function/macro, but this should not be relied upon. | |
090cf9db | 614 | |
823b2fb6 GM |
615 | ** `random' by default now returns a different random sequence in |
616 | every Emacs run. Use `(random S)', where S is a string, to set the | |
0e23ef9d PE |
617 | random seed to a value based on S, in order to get a repeatable |
618 | sequence in later calls. | |
619 | ||
d32e47af LM |
620 | ** If the NEWTEXT arg to `replace-match' contains a substring "\?", |
621 | that substring is inserted literally even if the LITERAL arg is | |
622 | non-nil, instead of causing an error to be signaled. | |
623 | ||
2cec368c MR |
624 | ** `select-window' now always makes the window's buffer current. |
625 | It does so even if the window was selected before. | |
626 | ||
6bc66c10 GM |
627 | ** The function `x-select-font' can return a font spec, instead of a |
628 | font name as a string. Whether it returns a font spec or a font name | |
629 | depends on the graphical library. | |
bbf908bc | 630 | |
eeddc531 CY |
631 | ** `face-spec-set' no longer sets frame-specific attributes when the |
632 | third argument is a frame (that usage was obsolete since Emacs 22.2). | |
633 | ||
6bc66c10 | 634 | ** `set-buffer-multibyte' now signals an error in narrowed buffers. |
a59d531e | 635 | |
ab7f1c43 GM |
636 | ** The CL package's `get-setf-method' function no longer exists. |
637 | Generalized variables are now part of core Emacs Lisp, and implemented | |
638 | differently to the way cl.el used to do it. It is not possible to | |
639 | define a compatible replacement for `get-setf-method'. See the file | |
640 | gv.el for internal details of the new implementation. | |
641 | ||
6bc66c10 GM |
642 | ** The arguments of `dbus-register-signal' are no longer just strings, |
643 | but keywords or keyword-string pairs. The old argument list will | |
644 | still be supported for Emacs 24.x. | |
645 | ||
646 | ** Miscellaneous name changes | |
823b2fb6 GM |
647 | Some Lisp symbols have been renamed to correct their spelling, |
648 | or to be more consistent with standard Emacs terminology. | |
72b255c7 PE |
649 | |
650 | *** Renamed functions | |
72b255c7 PE |
651 | **** hangul-input-method-inactivate -> hangul-input-method-deactivate |
652 | **** inactivate-input-method -> deactivate-input-method | |
653 | **** quail-inactivate -> quail-deactivate | |
654 | **** robin-inactivate -> robin-deactivate | |
655 | **** viper-inactivate-input-method -> viper-deactivate-input-method | |
656 | **** viper-inactivate-input-method-action -> | |
657 | viper-deactivate-input-method-action | |
658 | **** ucs-input-inactivate -> ucs-input-deactivate | |
659 | ||
660 | *** Renamed hooks | |
661 | The old hooks are still supported for backward compatibility, but they | |
662 | are deprecated and will be removed eventually. | |
72b255c7 PE |
663 | **** input-method-inactivate-hook -> input-method-deactivate-hook |
664 | **** robin-inactivate-hook -> robin-deactivate-hook | |
665 | **** quail-inactivate-hook -> quail-deactivate-hook | |
666 | ||
6bc66c10 | 667 | *** Renamed variables |
72b255c7 PE |
668 | **** follow-deactive-menu -> follow-inactive-menu |
669 | **** inactivate-current-input-method-function -> | |
670 | deactivate-current-input-method-function | |
671 | ||
02969baf GM |
672 | ** Some obsolete functions, variables, and faces have been removed: |
673 | *** `last-input-char', `last-command-char', `unread-command-char' | |
78f3273a CY |
674 | *** `facemenu-unlisted-faces' |
675 | *** `rmail-decode-mime-charset' | |
a5f2b6ec CY |
676 | *** `iswitchb-read-buffer' |
677 | *** `sc-version', `sc-submit-bug-report' | |
678 | *** `set-char-table-default' | |
02969baf | 679 | *** `string-to-sequence' (use `string-to-list' or `string-to-vector') |
a5f2b6ec | 680 | *** `compile-internal' |
02969baf | 681 | *** `modeline' |
59f7af81 | 682 | *** `mode-line-inverse-video' |
02969baf | 683 | *** `follow-mode-off-hook' |
a5f2b6ec | 684 | *** `cvs-commit-buffer-require-final-newline' |
63820c5c | 685 | (use `log-edit-require-final-newline' instead) |
a5f2b6ec CY |
686 | *** `cvs-changelog-full-paragraphs' |
687 | (use `log-edit-changelog-full-paragraphs' instead) | |
688 | *** `cvs-diff-ignore-marks', `cvs-diff-buffer-name' | |
689 | *** `vc-ignore-vc-files' (use `vc-handled-backends' instead) | |
690 | *** `vc-master-templates' (use `vc-handled-backends' instead) | |
691 | *** `vc-checkout-carefully' | |
78f3273a | 692 | |
a1ed8b05 | 693 | \f |
2a1e2476 | 694 | * Lisp changes in Emacs 24.3 |
ef24141c | 695 | |
2ee3d7f0 | 696 | ** CL-style generalized variables are now in core Elisp. |
f938eda9 | 697 | `setf' is autoloaded; `push' and `pop' accept generalized variables. |
ebdbfb95 GM |
698 | You can define your own generalized variables using `gv-define-simple-setter', |
699 | `gv-define-setter', etc. | |
2ee3d7f0 | 700 | |
6bc66c10 GM |
701 | ** Emacs tries to macroexpand interpreted (non-compiled) files during load. |
702 | This can significantly speed up execution of non-byte-compiled code, | |
703 | but can also bump into previously unnoticed cyclic dependencies. | |
704 | These are generally harmless: they will simply cause the macro calls | |
705 | to be left for later expansion (as before), but will result in a | |
706 | warning ("Eager macro-expansion skipped due to cycle") describing the cycle. | |
707 | You may wish to restructure your code so this does not happen. | |
708 | ||
709 | ** New sampling-based Elisp profiler. | |
710 | Try M-x profiler-start, do some work, and then call M-x profiler-report. | |
711 | When finished, use M-x profiler-stop. The sampling rate can be based on | |
712 | CPU time or memory allocations. | |
713 | ||
500fcedc SM |
714 | ** `defun' also accepts a (declare DECLS) form, like `defmacro'. |
715 | The interpretation of the DECLS is determined by `defun-declarations-alist'. | |
716 | ||
6bc66c10 GM |
717 | ** New macros `setq-local' and `defvar-local'. |
718 | ||
719 | ** Face underlining can now use a wave. | |
2f940384 | 720 | |
6bc66c10 | 721 | ** `read-regexp' has a new argument HISTORY; the first argument PROMPT |
cd996018 | 722 | of `read-regexp' accepts a string ending with a colon and space, and its |
823b2fb6 | 723 | second argument DEFAULTS can be a list of strings accessible via `M-n' |
cd996018 CY |
724 | in the minibuffer ahead of other hard-coded useful regexp-related values. |
725 | More commands use `read-regexp' now to read their regexp arguments. | |
726 | ||
f938eda9 | 727 | ** Completion |
500fcedc | 728 | |
f938eda9 CY |
729 | *** New function `completion-table-with-quoting' to handle completion |
730 | in the presence of quoting, such as file completion in shell buffers. | |
f95e9344 | 731 | |
f938eda9 CY |
732 | *** New function `completion-table-subvert' to use an existing completion |
733 | table, but with a different prefix. | |
734 | ||
6bc66c10 | 735 | ** Debugger |
f95e9344 | 736 | |
f938eda9 CY |
737 | *** New error type and new function `user-error'. |
738 | These do not trigger the debugger. | |
f95e9344 | 739 | |
57fc0fee GM |
740 | *** New option `debugger-bury-or-kill', saying what to do with the |
741 | debugger buffer when exiting debug. | |
45b82ad0 SM |
742 | |
743 | *** Set `debug-on-message' to enter the debugger when a certain | |
744 | message is displayed in the echo area. This can be useful when trying | |
745 | to work out which code is doing something. | |
2f940384 | 746 | |
45b82ad0 SM |
747 | *** New var `inhibit-debugger', automatically set to prevent accidental |
748 | recursive invocations. | |
fa2bcf43 | 749 | |
6bc66c10 | 750 | ** Window handling |
2f940384 | 751 | |
6bc66c10 GM |
752 | *** New command `fit-frame-to-buffer' adjusts the frame height to |
753 | fit the contents. | |
2f940384 | 754 | |
6bc66c10 GM |
755 | *** The command `fit-window-to-buffer' can adjust the frame height |
756 | if the new option `fit-frame-to-buffer' is non-nil. | |
8e17c9ba | 757 | |
7fe37cfc GM |
758 | *** New macro `with-temp-buffer-window', similar to |
759 | `with-output-to-temp-buffer'. | |
fa2bcf43 | 760 | |
8e17c9ba MR |
761 | *** `temp-buffer-resize-mode' no longer resizes windows that have been |
762 | reused. | |
c5e28e39 | 763 | |
823b2fb6 | 764 | *** New option `switch-to-buffer-preserve-window-point' to restore a |
43bcfda6 | 765 | window's point when switching buffers. |
2f940384 | 766 | |
6bc66c10 GM |
767 | *** New display action alist entries `window-height' and `window-width' |
768 | specify the size of new windows created by `display-buffer'. | |
769 | ||
770 | *** New display action alist entry `pop-up-frame-parameters', if | |
771 | non-nil, specifies frame parameters to give any newly-created frame. | |
2f940384 | 772 | |
fa2bcf43 MR |
773 | *** New display action alist entry `inhibit-switch-frame', if non-nil, |
774 | tells display action functions to avoid changing which frame is | |
775 | selected. | |
2f940384 | 776 | |
fa2bcf43 MR |
777 | *** New display action alist entry `previous-window', if non-nil, |
778 | specifies window to reuse in `display-buffer-in-previous-window'. | |
2f940384 | 779 | |
6bc66c10 GM |
780 | *** New display action functions `display-buffer-below-selected', |
781 | and `display-buffer-in-previous-window'. | |
782 | ||
783 | *** The functions `get-lru-window', `get-mru-window' and `get-largest-window' | |
784 | now accept a third argument to avoid choosing the selected window. | |
785 | ||
786 | *** Additional values recognized for option `window-combination-limit'. | |
5938d519 | 787 | |
77f1f99c CY |
788 | *** The following variables are obsolete, as they can be replaced by |
789 | appropriate entries in the `display-buffer-alist' function introduced | |
790 | in Emacs 24.1: | |
823b2fb6 | 791 | **** `dired-shrink-to-fit' |
77f1f99c | 792 | **** `display-buffer-reuse-frames' |
823b2fb6 | 793 | **** `display-buffer-function' |
77f1f99c | 794 | **** `special-display-buffer-names' |
823b2fb6 | 795 | **** `special-display-frame-alist' |
77f1f99c | 796 | **** `special-display-function' |
823b2fb6 | 797 | **** `special-display-regexps' |
77f1f99c | 798 | |
ab0fa4e4 | 799 | ** Time |
2f940384 | 800 | |
ab0fa4e4 PE |
801 | *** `current-time-string' no longer requires that its argument's year |
802 | must be in the range 1000..9999. It now works with any year supported | |
803 | by the underlying C implementation. | |
2f940384 | 804 | |
f938eda9 CY |
805 | *** `current-time' now returns extended-format time stamps |
806 | (HIGH LOW USEC PSEC), where the new PSEC slot specifies picoseconds. | |
807 | PSEC is typically a multiple of 1000 on current machines. Other | |
823b2fb6 GM |
808 | functions that use this format, such as `file-attributes' and |
809 | `format-time-string', have been changed accordingly. Old-format time | |
f938eda9 | 810 | stamps are still accepted. |
2f940384 | 811 | |
823b2fb6 | 812 | *** The format of timers in `timer-list' and `timer-idle-list' is now |
f938eda9 CY |
813 | [TRIGGERED-P HI-SECS LO-SECS USECS REPEAT-DELAY FUNCTION ARGS IDLE-DELAY PSECS]. |
814 | The PSECS slot is new, and uses picosecond resolution. It can be | |
823b2fb6 | 815 | accessed via the new `timer--psecs' accessor. |
2f940384 | 816 | |
c4132fd4 PE |
817 | *** Last-modified time stamps in undo lists now are of the form |
818 | (t HI-SECS LO-SECS USECS PSECS) instead of (t HI-SECS . LO-SECS). | |
819 | ||
f938eda9 | 820 | ** Floating point functions now always return special values like NaN, |
823b2fb6 | 821 | instead of signaling errors, if given invalid args; e.g., (log -1.0). |
f938eda9 CY |
822 | Previously, they returned NaNs on some platforms but signaled errors |
823 | on others. The affected functions are acos, asin, tan, exp, expt, | |
824 | log, log10, sqrt, and mod. | |
825 | ||
6bc66c10 | 826 | ** New fringe bitmap `exclamation-mark'. |
f938eda9 | 827 | |
6bc66c10 GM |
828 | ** Miscellaneous changes to special forms and macros |
829 | ||
830 | *** `defun' and `defmacro' are now macros rather than special forms. | |
831 | ||
832 | *** `kbd' is now a function rather than a macro. | |
833 | ||
834 | ** Miscellaneous new functions | |
835 | ||
836 | *** `set-temporary-overlay-map' sets up a temporary keymap that | |
837 | takes precedence over most other maps for a short while (normally one key). | |
2f940384 | 838 | |
847a0561 | 839 | *** `autoloadp' tests if its argument is an autoloaded object. |
2f940384 | 840 | |
847a0561 | 841 | *** `autoload-do-load' performs the autoloading operation. |
2f940384 | 842 | |
f938eda9 | 843 | *** `buffer-narrowed-p' tests if the buffer is narrowed. |
2f940384 | 844 | |
f938eda9 | 845 | *** `file-name-base' returns a file name sans directory and extension. |
2f940384 | 846 | |
f938eda9 | 847 | *** `function-get' fetches a function property, following aliases. |
2f940384 | 848 | |
f938eda9 | 849 | *** `posnp' tests if an object is a `posn'. |
2f940384 | 850 | |
f938eda9 | 851 | *** `system-users' returns the user names on the system. |
2f940384 | 852 | |
f938eda9 | 853 | *** `system-groups' returns the group names on the system. |
2f940384 | 854 | |
f938eda9 | 855 | *** `tty-top-frame' returns the topmost frame of a text terminal. |
c990426a | 856 | |
f938eda9 | 857 | ** The following functions and variables are obsolete: |
847a0561 | 858 | *** `automount-dir-prefix' (use `directory-abbrev-alist') |
f938eda9 | 859 | *** `buffer-has-markers-at' |
1a9c6830 | 860 | *** `macro-declaration-function' (use `macro-declarations-alist') |
847a0561 | 861 | *** `window-system-version' (provides no useful information) |
93cacb6d | 862 | *** `dired-pop-to-buffer' (use `dired-mark-pop-up') |
0e2ae83d | 863 | *** `query-replace-interactive' |
49238e7f | 864 | *** `font-list-limit' (has had no effect since Emacs < 23) |
86aa551c | 865 | |
adce950d | 866 | \f |
2a1e2476 | 867 | * Changes in Emacs 24.3 on non-free operating systems |
9078ead6 | 868 | |
4e98ad15 | 869 | ** Cygwin builds can use the native MS Windows user interface. |
823b2fb6 | 870 | Pass `--with-w32' to configure. The default remains the X11 interface. |
53a63be6 | 871 | |
1a9c6830 | 872 | ** Two new functions are available in Cygwin builds: |
a16ac13f DC |
873 | `cygwin-convert-file-name-from-windows' and |
874 | `cygwin-convert-file-name-to-windows'. These functions allow Lisp | |
875 | code to access the Cygwin file-name mapping machinery to convert | |
876 | between Cygwin and Windows-native file and directory names. | |
de6e3a60 | 877 | |
4e98ad15 | 878 | ** When invoked with the -nw switch to run on the Windows text-mode terminal, |
1ab0c851 | 879 | Emacs now supports `mouse-highlight', help-echo (in the echo area), and |
4e98ad15 GM |
880 | `mouse-autoselect-window'. |
881 | ||
1a9c6830 | 882 | ** On MS Windows Vista and later Emacs now supports symbolic links. |
4e98ad15 | 883 | |
823b2fb6 | 884 | ** On MS Windows, you can pass `--without-libxml2' to configure.bat to omit |
4e98ad15 GM |
885 | support for libxml2, even if its presence is detected. |
886 | ||
4e98ad15 GM |
887 | ** On Mac OS X, the Nextstep port requires OS X 10.4 or later. |
888 | ||
823b2fb6 | 889 | ** On Mac OS X, configure no longer automatically adds the Fink "/sw" |
4e98ad15 GM |
890 | directories to the search path. You must add them yourself if you want them. |
891 | ||
2a1e2476 GM |
892 | \f |
893 | * Changes in Emacs 24.2 | |
894 | ||
5190da91 | 895 | ** This is mainly a bug-fix release. |
6dad7178 | 896 | |
9078ead6 | 897 | \f |
eb199145 | 898 | * Installation Changes in Emacs 24.1 |
09e18d03 | 899 | |
31fd3586 GM |
900 | ** Emacs can be compiled with Gtk+ 3.0 if you pass --with-x-toolkit=gtk3 |
901 | to configure. Note that other libraries used by Emacs, RSVG and GConf, | |
902 | also depend on Gtk+. You can disable them with --without-rsvg and | |
903 | --without-gconf. | |
338648ad | 904 | |
31fd3586 GM |
905 | ** Emacs can be compiled with GnuTLS support. |
906 | This happens by default if a suitably recent version of the library is | |
907 | found at build time. To prevent this, use the configure option | |
908 | `--without-gnutls'. See below for GnuTLS features. | |
338648ad | 909 | |
31fd3586 GM |
910 | ** Emacs can be compiled with SELinux support. |
911 | This happens by default if a suitably recent version of the library is | |
912 | found at build time. To prevent this, use the configure option | |
913 | `--without-selinux'. See below for SELinux features. | |
aded53ff | 914 | |
31fd3586 GM |
915 | ** Emacs can be compiled with ImageMagick support. |
916 | This happens by default if a suitably recent version of the library is | |
917 | found at build time. To prevent this, use the configure option | |
918 | `--without-imagemagick'. See below for ImageMagick features. | |
c1f10868 | 919 | This feature is not available for the Nextstep or MS ports. |
d9170db5 | 920 | |
043efd56 GM |
921 | ** Emacs can be compiled with libxml2 support. |
922 | This happens by default if a suitably recent version of the library is | |
923 | found at build time. To prevent this, use the configure option | |
924 | `--without-xml2'. See below for libxml2 features. | |
925 | ||
7d301ae6 CY |
926 | ** By default, the installed Info and man pages are compressed. |
927 | You can disable this by configuring --without-compress-info. | |
928 | ||
7d301ae6 | 929 | ** New configure option --with-wide-int. |
81eafe29 | 930 | With it, Emacs integers typically have 62 bits, even on 32-bit machines. |
0a768890 PE |
931 | On 32-bit hosts, this raises the limit on buffer sizes from about 512 MiB |
932 | to about 2 GiB. | |
81eafe29 | 933 | |
7d301ae6 | 934 | ** New configure options: --with-mmdf, --with-mail-unlink, --with-mailhost. |
31fd3586 GM |
935 | These provide no new functionality, they just remove the need to edit |
936 | lib-src/Makefile by hand in order to use the associated features. | |
937 | ||
7d301ae6 | 938 | ** New configure option --enable-use-lisp-union-type. |
31fd3586 GM |
939 | This is only useful for Emacs developers to debug certain types of bugs. |
940 | This is not a new feature; only the configure flag is new. | |
041d709f CY |
941 | |
942 | ** The standalone programs digest-doc and sorted-doc are removed. | |
943 | Emacs now uses Lisp commands `doc-file-to-man' and `doc-file-to-info'. | |
944 | ||
041d709f CY |
945 | ** The standalone program `fakemail' is removed. |
946 | If you need it, feedmail.el provides a superset of the functionality. | |
947 | ||
0bfd685e | 948 | \f |
eb199145 | 949 | * Startup Changes in Emacs 24.1 |
4a263588 | 950 | |
198a7a97 | 951 | ** The --unibyte, --multibyte, --no-multibyte, and --no-unibyte |
adbf62ff GM |
952 | command line arguments, and the EMACS_UNIBYTE environment variable, no |
953 | longer have any effect. (They were declared obsolete in Emacs 23.) | |
198a7a97 | 954 | |
66b7b0fe | 955 | ** New command line option `--no-site-lisp' removes site-lisp directories |
1b5e5b0c GM |
956 | from load-path. -Q now implies this. This option does not affect the |
957 | EMACSLOADPATH environment variable (and hence has no effect for | |
c8d59ba3 | 958 | Nextstep builds). |
66b7b0fe | 959 | |
0bfd685e | 960 | \f |
eb199145 | 961 | * Changes in Emacs 24.1 |
7841339b | 962 | |
a2a25d24 | 963 | ** Completion |
fdeb32ec | 964 | |
dfdb4cad CY |
965 | *** Many packages now use the `completion-at-point' command, |
966 | rather than implementing separate completion commands. | |
967 | ||
de0bde62 | 968 | *** `completion-at-point' now handles tags and semantic completion. |
dfdb4cad | 969 | |
a2a25d24 SM |
970 | *** Completion in a non-minibuffer now tries to detect the end of completion |
971 | and pops down the *Completions* buffer accordingly. | |
dfdb4cad CY |
972 | |
973 | *** New option `completion-cycle-threshold' allows completion cycling. | |
974 | ||
975 | *** New option `completion-category-overrides' for overriding the | |
2c719188 | 976 | default completion style in certain circumstances. |
dfdb4cad | 977 | |
a2a25d24 | 978 | *** New completion style `substring'. |
dfdb4cad CY |
979 | |
980 | *** Completion of buffer names uses `substring' completion by default. | |
981 | ||
982 | *** The option `widget-complete-field' has been removed. | |
620c53a6 | 983 | |
6870aaef | 984 | ** Mail changes |
dfdb4cad | 985 | |
7d301ae6 CY |
986 | *** The first time you try sending mail, Emacs asks for a mail method. |
987 | This is implemented by a new default for `send-mail-function', which | |
988 | is `sendmail-query-once'. This offers to use the smtpmail package, or | |
989 | to use the old defaults relying on external mail facilities | |
990 | (`sendmail-send-it' on GNU/Linux and other Unix-like systems, and | |
991 | `mailclient-send-it' on Windows). | |
dfdb4cad | 992 | |
7d301ae6 CY |
993 | *** Typing C-c m in the buffer made by M-x report-emacs-bug transfers |
994 | the report to your desktop's preferred mail client, if there is one. | |
995 | This uses either the "xdg-email" utility, or Mac OS's "open" command. | |
dfdb4cad | 996 | |
7d301ae6 CY |
997 | *** See Changes in Specialized Modes and Packages for SMTPmail changes |
998 | and Mail mode changes | |
3f88cd72 | 999 | |
041d709f | 1000 | ** Emacs server and client changes |
dfdb4cad | 1001 | |
7d301ae6 | 1002 | *** New option `server-port' specifies the port for TCP Emacs servers. |
dfdb4cad | 1003 | |
041d709f | 1004 | *** New emacsclient argument -q/--quiet suppresses some status messages. |
dfdb4cad | 1005 | |
7d301ae6 CY |
1006 | *** New emacsclient argument --frame-parameters specifies the frame |
1007 | parameters of any newly-created graphical frame. | |
dfdb4cad CY |
1008 | |
1009 | *** If emacsclient shuts down due to Emacs signaling an error, | |
1010 | its exit status is 1. | |
1011 | ||
041d709f CY |
1012 | *** New emacsclient argument --parent-id ID. |
1013 | This opens a client frame in parent X window ID, via XEmbed, similar | |
1014 | to the --parent-id argument to Emacs. | |
1015 | ||
d0ce9f8c MB |
1016 | ** Internationalization changes |
1017 | ||
d0ce9f8c | 1018 | *** Emacs now supports display and editing of bidirectional text. |
7d301ae6 CY |
1019 | Right-to-left (RTL) scripts, such as Arabic, Farsi, and Hebrew, are |
1020 | displayed in the correct visual order as expected by users of those | |
dfdb4cad CY |
1021 | scripts. The display reordering is a "full bidirectionality" class |
1022 | implementation of the Unicode Bidirectional Algorithm (UBA). Buffers | |
1023 | with no RTL text should look exactly the same as before. | |
f4b6ba46 | 1024 | |
041d709f | 1025 | **** New buffer-local variable `bidi-display-reordering'. |
7d301ae6 | 1026 | To disable display reordering in a buffer, change this to nil. |
d20e1419 | 1027 | |
041d709f CY |
1028 | **** New buffer-local variable `bidi-paragraph-direction'. |
1029 | If nil (the default), Emacs determines the base direction of each | |
dfdb4cad CY |
1030 | paragraph from its text, as specified by the UBA. Setting the value |
1031 | to `right-to-left' or `left-to-right' forces a base direction on each | |
1032 | paragraph. | |
f4b6ba46 | 1033 | |
7d301ae6 CY |
1034 | Paragraphs with right-to-left base direction are displayed starting at |
1035 | the right window edge. | |
f1816485 | 1036 | |
dfdb4cad CY |
1037 | *** Enhanced support for characters with no glyphs in available fonts, |
1038 | or, on text terminals, characters that cannot be encoded by the | |
1039 | terminal coding system. The new option `glyphless-char-display-control' | |
1040 | specifies how to display them: as a hexadecimal code in a box, a thin | |
1041 | 1-pixel space, an empty box, etc. | |
d0ce9f8c | 1042 | |
9702b7a1 GM |
1043 | *** New input methods for Farsi and Bulgarian |
1044 | (farsi-isiri-9147, farsi-transliterate-banan, bulgarian-alt-phonetic). | |
041d709f | 1045 | |
939db9ac CY |
1046 | *** `nobreak-char-display' now also highlights Unicode hyphen chars |
1047 | (U+2010 and U+2011). | |
1048 | ||
7d301ae6 | 1049 | *** New Hebrew translation of the Emacs Tutorial. |
31fd3586 GM |
1050 | Type `C-u C-h t' to choose it in case your language setup doesn't |
1051 | automatically select it. | |
1052 | ||
7d301ae6 CY |
1053 | ** An Emacs Lisp package manager is now included. |
1054 | This is a convenient way to download and install additional packages, | |
1055 | from a package repository at http://elpa.gnu.org. | |
dfdb4cad | 1056 | |
7d301ae6 CY |
1057 | *** M-x list-packages shows a list of packages, which can be |
1058 | selected for installation. | |
dfdb4cad | 1059 | |
7d301ae6 | 1060 | *** New command `describe-package', bound to `C-h P'. |
dfdb4cad | 1061 | |
7d301ae6 CY |
1062 | *** By default, all installed packages are loaded automatically when |
1063 | Emacs starts up. To disable this, set `package-enable-at-startup' to | |
1064 | nil. To specify the packages to load, customize `package-load-list'. | |
16a91140 | 1065 | |
dfdb4cad CY |
1066 | ** Custom theme changes |
1067 | ||
7d301ae6 CY |
1068 | *** New command `M-x customize-themes', which provides a convenient |
1069 | interface for enabling and disabling Custom themes. | |
dfdb4cad | 1070 | |
7d301ae6 | 1071 | *** New option `custom-theme-load-path' is the load path for themes. |
dfdb4cad CY |
1072 | Emacs no longer looks for Custom themes in `load-path'. The default |
1073 | value of `custom-theme-load-path' says to look for themes in | |
1074 | `custom-theme-directory', followed by a subdirectory of | |
1075 | `data-directory' named "themes/", which contains a small selection of | |
1076 | built-in Custom themes. | |
1077 | ||
7d301ae6 CY |
1078 | *** New option `custom-safe-themes' records known-safe theme files. |
1079 | If a theme is not in this list, Emacs queries before loading it, and | |
1080 | offers to save the theme to `custom-safe-themes' automatically. By | |
1081 | default, all themes included in Emacs are treated as safe. | |
b7d65a5f | 1082 | |
7d301ae6 | 1083 | ** Improved GTK integration |
dfdb4cad | 1084 | |
7d301ae6 | 1085 | *** GTK scroll-bars are now placed on the right by default. |
dfdb4cad CY |
1086 | The function `set-scroll-bar-mode' can change this. |
1087 | ||
7d301ae6 | 1088 | *** GTK tool bars can have just text, just images or images and text. |
dfdb4cad CY |
1089 | Customize `tool-bar-style' to choose the style. On a Gnome desktop, |
1090 | the default is taken from desktop settings. | |
1091 | ||
1092 | *** GTK tool bars can be placed on any edge of the frame. | |
7d301ae6 CY |
1093 | The frame-parameter tool-bar-position controls this. It takes the |
1094 | values top, left, right or bottom. The Options => Show/Hide menu has | |
1095 | entries for this. | |
dfdb4cad | 1096 | |
7d301ae6 CY |
1097 | *** The default colors for selected text (the `region' face) are taken |
1098 | from the GTK theme when Emacs is built with GTK. | |
dfdb4cad | 1099 | |
7d301ae6 CY |
1100 | *** Emacs uses GTK tooltips by default if built with GTK. |
1101 | You can disable this by changing `x-gtk-use-system-tooltips' to nil. | |
a5bee597 | 1102 | |
dfdb4cad CY |
1103 | ** Graphical interface changes |
1104 | ||
1105 | *** On graphical displays, the mode-line no longer ends in dashes. | |
1106 | Also, the first dash (which does not indicate anything) is just | |
1107 | displayed as a space. | |
1108 | ||
1109 | *** `menu-bar-select-buffer-function' lets you choose another operation | |
1110 | instead of `switch-to-buffer' when selecting an item in the Buffers menu. | |
1111 | ||
1112 | *** Lucid menus and dialogs can display antialiased fonts if Emacs is | |
1113 | built with Xft. These fonts can be set via X resources, for example: | |
1114 | Emacs.pane.menubar.font: Courier-12 | |
1115 | ||
7d301ae6 | 1116 | ** Exiting changes |
dfdb4cad | 1117 | |
7d301ae6 | 1118 | *** Emacs now calls `kill-emacs' if it receives SIGTERM or SIGHUP, |
dfdb4cad CY |
1119 | or if it receives a SIGINT signal in batch mode. |
1120 | ||
7d301ae6 CY |
1121 | *** `kill-emacs-hook' is now also run in batch mode. |
1122 | Third-party code which adds to `kill-emacs-hook' should check if they | |
1123 | do the right thing in batch mode. | |
9c524fcb | 1124 | |
041d709f | 1125 | ** Scrolling changes |
dfdb4cad | 1126 | |
041d709f | 1127 | *** New scrolling commands `scroll-up-command' and `scroll-down-command' |
0a19a6f8 | 1128 | (bound to C-v/[next] and M-v/[prior]) do not signal errors at top/bottom |
7d301ae6 | 1129 | of buffer at first key-press (instead they move to top/bottom of buffer) |
550f41cd | 1130 | when `scroll-error-top-bottom' is non-nil. |
dfdb4cad CY |
1131 | |
1132 | *** New option `scroll-error-top-bottom' (see above). | |
1133 | ||
041d709f | 1134 | *** New scrolling commands `scroll-up-line' and `scroll-down-line' |
5a97d2da | 1135 | scroll a line instead of full screen. |
dfdb4cad | 1136 | |
041d709f | 1137 | *** New property `scroll-command' should be set on a command's symbol to |
b2957ea8 | 1138 | define it as a scroll command affected by `scroll-preserve-screen-position'. |
dfdb4cad | 1139 | |
041d709f | 1140 | *** If you customize `scroll-conservatively' to a value greater than 100, |
d0f69533 EZ |
1141 | Emacs will never recenter point in the window when it scrolls due to |
1142 | cursor motion commands or commands that move point (e.f., `M-g M-g'). | |
1143 | Previously, you needed to use `most-positive-fixnum' as the value of | |
1144 | `scroll-conservatively' to achieve the same effect. | |
dfdb4cad | 1145 | |
7d301ae6 | 1146 | *** "Aggressive" scrolling now honors the scroll margins. |
d0f69533 EZ |
1147 | If you customize `scroll-up-aggressively' or |
1148 | `scroll-down-aggressively' and move point off the window, Emacs now | |
1149 | scrolls the window so as to avoid positioning point inside the scroll | |
1150 | margin. | |
1151 | ||
7d301ae6 CY |
1152 | ** Basic SELinux support has been added. |
1153 | This requires Emacs to be linked with libselinux at build time. | |
f1a5d776 | 1154 | |
dfdb4cad CY |
1155 | *** Emacs preserves the SELinux file context when backing up. |
1156 | Also, the function `copy-file' has an extra optional argument for | |
1157 | preserving SELinux context, and the return value of `backup-buffer' | |
1158 | now includes the SELinux context. | |
f0bf7c8e | 1159 | |
dfdb4cad | 1160 | *** New functions `file-selinux-context' and `set-file-selinux-context' |
7d301ae6 | 1161 | get and set the SELinux context of a file. |
44198b6e | 1162 | |
7d301ae6 | 1163 | ** Trash changes |
dfdb4cad | 1164 | |
7d301ae6 CY |
1165 | *** `delete-by-moving-to-trash' now only affects commands that specify |
1166 | trashing. This avoids inadvertently trashing temporary files. | |
dfdb4cad | 1167 | |
7d301ae6 CY |
1168 | *** Calling `delete-file' or `delete-directory' with a prefix argument |
1169 | now forces true deletion, regardless of `delete-by-moving-to-trash'. | |
278f6845 | 1170 | |
041d709f | 1171 | ** File- and directory-local variable changes |
dfdb4cad | 1172 | |
041d709f CY |
1173 | *** You can stop directory local vars from applying to subdirectories. |
1174 | Add an element (subdirs . nil) to the alist portion of any variables | |
1175 | settings to indicate that the section should not apply to | |
1176 | subdirectories. | |
dfdb4cad | 1177 | |
041d709f CY |
1178 | *** Directory local variables can apply to some file-less buffers. |
1179 | Affected modes include dired, vc-dir, and log-edit. For example, | |
1180 | adding "(diff-mode . ((mode . whitespace)))" to .dir-locals.el will | |
1181 | turn on `whitespace-mode' for *vc-diff* buffers. Modes should call | |
1182 | `hack-dir-local-variables-non-file-buffer' to support this. | |
dfdb4cad | 1183 | |
041d709f CY |
1184 | *** Using "mode: MINOR-MODE" to enable a minor mode is deprecated. |
1185 | Instead, use "eval: (minor-mode 1)". | |
c136e5cd | 1186 | |
7b447e9b GM |
1187 | *** The variable `inhibit-first-line-modes-regexps' has been renamed |
1188 | to `inhibit-local-variables-regexps'. As the name suggests, it now | |
dfdb4cad CY |
1189 | applies to ALL file local variables, not just -*- lines. The |
1190 | associated `inhibit-first-line-modes-suffixes' has been renamed in the | |
1191 | corresponding way. | |
5d907d6c | 1192 | |
0a2132ba CY |
1193 | ** Window changes |
1194 | ||
91b65361 CY |
1195 | *** The `quit-window' command now restores the last buffer displayed |
1196 | in the quitted window. | |
1197 | ||
0a2132ba CY |
1198 | *** Resizing an Emacs frame now preserves proportional window sizes, |
1199 | modulo restrictions like window minimum sizes and fixed-size windows. | |
1200 | ||
1201 | *** The behavior of `display-buffer' is now customizable in detail. | |
dfdb4cad | 1202 | |
0a2132ba CY |
1203 | **** New option `display-buffer-base-action' specifies a list of |
1204 | user-determined display "actions" (functions and optional arguments | |
1205 | for choosing the displaying window). | |
1206 | ||
1207 | This takes precedence over the default display action, which is | |
1208 | specified by `display-buffer-fallback-action'. | |
1209 | ||
1210 | **** New option `display-buffer-alist' maps buffer name regexps to | |
1211 | display actions, taking precedence over `display-buffer-base-action'. | |
1212 | ||
a0c2d0ae MR |
1213 | *** New option `window-combination-limit'. |
1214 | The new option `window-combination-limit' allows to return the space | |
1215 | obtained for resizing or creating a window more reliably to the window | |
1216 | from which such space was obtained. | |
0a2132ba | 1217 | |
a0c2d0ae MR |
1218 | *** New option `window-combination-resize'. |
1219 | The new option `window-combination-resize' allows to split a window that | |
1220 | otherwise cannot be split because it's too small by stealing space from | |
1221 | other windows in the same combination. Subsequent resizing or deletion | |
1222 | of the window will resize all windows in the same combination as well. | |
0a2132ba | 1223 | |
91b65361 CY |
1224 | *** New option `frame-auto-hide-function' lets you choose between |
1225 | iconifying or deleting a frame when burying a buffer in a dedicated | |
1226 | frame, or quitting a window showing a buffer in a frame of its own. | |
1227 | ||
0a2132ba | 1228 | *** New commands `maximize-window' and `minimize-window'. |
53964682 | 1229 | These maximize and minimize the size of a window within its frame. |
0a2132ba | 1230 | |
0a2132ba CY |
1231 | *** New commands `switch-to-prev-buffer' and `switch-to-next-buffer'. |
1232 | These functions allow to navigate through the live buffers that have | |
1233 | been shown in a specific window. | |
1234 | ||
7d301ae6 | 1235 | ** Minibuffer changes |
dfdb4cad | 1236 | |
7d301ae6 | 1237 | *** The inactive minibuffer has its own major mode `minibuffer-inactive-mode'. |
104dc9c6 GM |
1238 | This is handy for minibuffer-only frames, and is also used for the feature |
1239 | where mouse-1 pops up *Messages*"', which can now easily be changed. | |
041d709f | 1240 | |
7d301ae6 | 1241 | *** Minibuffers set `truncate-lines' to nil. |
f66eca26 | 1242 | If you want to change the value to something else, you could use |
7d301ae6 CY |
1243 | for example `minibuffer-setup-hook'. |
1244 | ||
7d301ae6 CY |
1245 | ** `auto-mode-case-fold' is now enabled by default. |
1246 | ||
7d301ae6 | 1247 | ** `backup-by-copying-when-mismatch' now defaults to t. |
f66eca26 | 1248 | |
dfdb4cad CY |
1249 | ** New basic faces `error', `warning', `success'. |
1250 | These are used to highlight text indicating failure, caution or | |
1251 | successful operation. | |
1252 | ||
1253 | ** New option `list-colors-sort' defines the color sort order | |
1254 | for `list-colors-display'. | |
1255 | ||
1256 | ** The variable `focus-follows-mouse' now always defaults to nil. | |
1257 | ||
0bfd685e | 1258 | \f |
eb199145 | 1259 | * Editing Changes in Emacs 24.1 |
b350bdf2 | 1260 | |
892777ba | 1261 | ** Search changes |
dfdb4cad CY |
1262 | |
1263 | *** C-y in Isearch is now bound to `isearch-yank-kill', instead of | |
1264 | `isearch-yank-line'. | |
1265 | ||
1266 | *** M-y in Isearch is now bound to `isearch-yank-pop', instead of | |
1267 | `isearch-yank-kill'. | |
1268 | ||
1269 | *** M-s C-e in Isearch is now bound to `isearch-yank-line'. | |
1270 | ||
b2b0776e | 1271 | ** New commands `count-words-region' and `count-words'. |
dfdb4cad | 1272 | |
10607bea CY |
1273 | *** M-= is bound to `count-words-region', not `count-lines-region'. |
1274 | The `count-words-region' command, when called interactively, reports | |
1275 | the number of lines, words, and characters in the region. It is a | |
1276 | superset of the old `count-lines-region', which is now an obsolete | |
1277 | alias for it. | |
ea4f7750 | 1278 | |
ec9da840 | 1279 | ** The command `just-one-space' (M-SPC), if given a negative argument, |
1c708c1a CY |
1280 | also deletes newlines around point. |
1281 | ||
b9229673 | 1282 | ** Deletion changes |
dfdb4cad | 1283 | |
b9229673 | 1284 | *** New option `delete-active-region'. |
ddb54206 | 1285 | If non-nil, [delete] and DEL delete the region if it is active and no |
dfdb4cad | 1286 | prefix argument is given. If set to `kill', those commands kill |
ddb54206 | 1287 | instead. |
dfdb4cad | 1288 | |
59ee0542 | 1289 | *** New command `delete-forward-char', bound to [delete]. |
42d9cffa CY |
1290 | This is meant for interactive use, and obeys `delete-active-region'. |
1291 | The command `delete-char' does not obey `delete-active-region'. | |
dfdb4cad | 1292 | |
b9229673 CY |
1293 | *** `delete-backward-char' is now a Lisp function. |
1294 | Apart from obeying `delete-active-region', its behavior is unchanged. | |
7d301ae6 CY |
1295 | However, the byte compiler now warns if it is called from Lisp; Lisp |
1296 | callers should use delete-char with a negative argument instead. | |
dfdb4cad | 1297 | |
b9229673 CY |
1298 | *** The option `mouse-region-delete-keys' has been deleted. |
1299 | ||
f9d71b42 CY |
1300 | ** Selection changes. |
1301 | ||
7d301ae6 CY |
1302 | The default handling of clipboard and primary selections has been |
1303 | changed to conform with modern X applications. In short, most | |
1304 | commands for killing and yanking text now use the clipboard, while | |
1305 | mouse commands use the primary selection. | |
b1ab31ae CY |
1306 | |
1307 | In the following, we provide a list of these changes, followed by a | |
1308 | list of steps to get the old behavior back if you prefer that. | |
1309 | ||
b1ab31ae CY |
1310 | *** `select-active-regions' now defaults to t. |
1311 | Merely selecting text (e.g. with drag-mouse-1) no longer puts it in | |
963578d3 | 1312 | the kill ring. The selected text is put in the primary selection, if |
b1ab31ae CY |
1313 | the system possesses a separate primary selection facility (e.g. X). |
1314 | ||
1315 | **** `select-active-regions' also accepts a new value, `only'. | |
1316 | This means to only set the primary selection for temporarily active | |
1317 | regions (usually made by mouse-dragging or shift-selection); | |
1318 | "ordinary" active regions, such as those made with C-SPC followed by | |
1319 | point motion, do not alter the primary selection. | |
1320 | ||
963578d3 CY |
1321 | **** `mouse-drag-copy-region' now defaults to nil. |
1322 | ||
b1ab31ae CY |
1323 | *** mouse-2 is now bound to `mouse-yank-primary'. |
1324 | This pastes from the primary selection, ignoring the kill-ring. | |
1325 | Previously, mouse-2 was bound to `mouse-yank-at-click'. | |
dfdb4cad | 1326 | |
b1ab31ae | 1327 | *** `x-select-enable-clipboard' now defaults to t on all platforms. |
dfdb4cad | 1328 | |
b1ab31ae CY |
1329 | *** `x-select-enable-primary' now defaults to nil. |
1330 | Thus, commands that kill text or copy it to the kill-ring (such as | |
1331 | M-w, C-w, and C-k) also use the clipboard---not the primary selection. | |
1332 | ||
1333 | **** The "Copy", "Cut", and "Paste" items in the "Edit" menu are now | |
dfdb4cad | 1334 | exactly equivalent to M-w, C-w, and C-y respectively. |
b1ab31ae CY |
1335 | |
1336 | **** Note that on MS-Windows, `x-select-enable-clipboard' was already | |
1337 | non-nil by default, as Windows does not support the primary selection | |
1338 | between applications. | |
1339 | ||
1340 | *** To return to the previous behavior, do the following: | |
dfdb4cad | 1341 | |
104c2fe9 | 1342 | **** Change `select-active-regions' to nil. |
b1ab31ae CY |
1343 | **** Change `mouse-drag-copy-region' to t. |
1344 | **** Change `x-select-enable-primary' to t (on X only). | |
1345 | **** Change `x-select-enable-clipboard' to nil. | |
1346 | **** Bind `mouse-yank-at-click' to mouse-2. | |
f9d71b42 | 1347 | |
084e6df3 | 1348 | *** Support for X cut buffers has been removed. |
dfdb4cad | 1349 | |
3fd50d5c CY |
1350 | *** X clipboard managers are now supported. |
1351 | To inhibit this, change `x-select-enable-clipboard-manager' to nil. | |
4b80f674 | 1352 | |
dfdb4cad CY |
1353 | ** New command `C-x r N' (`rectangle-number-lines') numbers the lines |
1354 | in the current rectangle. With a prefix argument, this prompts for a | |
1355 | number to count from and for a format string. | |
99f053cf | 1356 | |
7d301ae6 | 1357 | ** `redisplay-dont-pause' now defaults to t. |
6bf7006f EZ |
1358 | This makes Emacs feel more responsive to editing commands that arrive |
1359 | at high rate, e.g. if you lean on some key, because stopping redisplay | |
1360 | in the middle (when this variable is nil) forces more expensive | |
1361 | updates later on, and Emacs appears to be unable to keep up. | |
1362 | ||
e70b5064 CY |
1363 | ** The behavior of <TAB> for active regions in Text mode has changed. |
1364 | In Text and related modes, typing <TAB> (`indent-for-tab-command') | |
1365 | when the region is active causes Emacs to indent all the lines in the | |
1366 | region, aligning them with the line previous to the first line in the | |
1367 | region (or with the left margin if there is no previous line). | |
1368 | ||
dfdb4cad CY |
1369 | ** When `occur' is called with a prefix argument, matching strings are |
1370 | collected into the `*Occur*' buffer without line numbers. If there | |
1371 | are parenthesized subexpressions in the specified regexp, `occur' | |
1372 | reads replacement text that may contain \\& and \\N whose convention | |
1373 | follows `replace-match'. | |
1374 | ||
9bae34bf | 1375 | \f |
eb199145 | 1376 | * Changes in Specialized Modes and Packages in Emacs 24.1 |
efeb796b | 1377 | |
041d709f | 1378 | ** Archive Mode has basic support for browsing and updating 7z archives. |
d76674bb | 1379 | |
b7c3692a | 1380 | ** BibTeX mode |
dfdb4cad | 1381 | |
2de69e00 | 1382 | *** BibTeX mode now supports biblatex. |
7d301ae6 CY |
1383 | Use the variable `bibtex-dialect' to select different BibTeX dialects. |
1384 | `bibtex-entry-field-alist' is now an obsolete alias for | |
1385 | `bibtex-BibTeX-entry-alist'. | |
1386 | ||
dfdb4cad CY |
1387 | *** New command `bibtex-search-entries', bound to C-c C-a. |
1388 | ||
b7c3692a | 1389 | *** New `bibtex-entry-format' option `sort-fields', disabled by default. |
dfdb4cad | 1390 | |
022fe7ce RW |
1391 | *** New variable `bibtex-search-entry-globally'. |
1392 | ||
7d301ae6 | 1393 | ** Browse-url |
dfdb4cad | 1394 | |
7d301ae6 | 1395 | *** New option `browse-url-mailto-function' specifies how to handle "mailto:"s. |
dfdb4cad | 1396 | |
7d301ae6 CY |
1397 | *** The default browser used by the package is now the "xdg-open" program, |
1398 | on platforms that support it. This calls your desktop's preferred browser. | |
1399 | ||
cf16af42 GM |
1400 | ** Calendar, Diary, and Appt |
1401 | ||
7d301ae6 | 1402 | *** Diary entries can contain non-printing "comments". |
548d0a63 GM |
1403 | See the variable `diary-comment-start'. |
1404 | ||
5006e634 GM |
1405 | *** Appointments can specify their individual warning times. |
1406 | See the variable `appt-warning-time-regexp'. | |
1407 | ||
0a2bb1a9 GM |
1408 | *** The function specified by `appt-disp-window-function' may be passed |
1409 | lists of arguments if multiple appointments are due at similar times. | |
1410 | If you are using a custom function for this, you should update it. | |
1411 | ||
7454f200 GM |
1412 | *** New function `diary-hebrew-birthday'. |
1413 | ||
e565dd37 GM |
1414 | *** Elements of `calendar-day-abbrev-array' and `calendar-month-abbrev-array' |
1415 | may no longer be nil, but must all be strings. | |
1416 | ||
7d301ae6 CY |
1417 | *** The obsolete (since Emacs 22.1) method of enabling the appt |
1418 | package by adding `appt-make-list' to `diary-hook' has been removed. | |
1419 | Use `appt-activate' instead. | |
cf16af42 | 1420 | |
cf16af42 GM |
1421 | *** Some appt variables (obsolete since Emacs 22.1) have been removed: |
1422 | appt-issue-message (use the function appt-activate) | |
1423 | appt-visible/appt-msg-window (use the variable appt-display-format) | |
1424 | ||
cf16af42 GM |
1425 | *** Some diary function aliases (obsolete since Emacs 22.1) have been removed: |
1426 | view-diary-entries, list-diary-entries, show-all-diary-entries | |
1427 | ||
551b046f | 1428 | ** CC Mode |
dfdb4cad | 1429 | |
551b046f | 1430 | *** New feature to "guess" the style in an existing buffer. |
7d301ae6 | 1431 | The main entry point is M-x c-guess. |
041d709f | 1432 | |
551b046f AM |
1433 | *** Java Mode now supports Java 5.0 (Tiger) and 6 (Mustang). |
1434 | ||
dfdb4cad | 1435 | *** `c-beginning-of-defun' and `c-end-of-defun' now respect nested scopes. |
551b046f AM |
1436 | Thus C-M-a will, by default, go to the beginning of the immediate function, |
1437 | not the top level. | |
1438 | ||
dfdb4cad | 1439 | *** "Macros with semicolons" can be registered for correct indentation. |
551b046f AM |
1440 | Where such a macro ends a line (no semicolon) the next statement is no longer |
1441 | parsed as a statement continuation. | |
1442 | ||
dfdb4cad | 1443 | ** Comint and modes derived from it use the standard completion code. |
041d709f CY |
1444 | |
1445 | ** Compilation mode | |
dfdb4cad | 1446 | |
7d301ae6 | 1447 | *** Compilation mode can be used without Font Lock mode. |
041d709f CY |
1448 | `compilation-parse-errors-function' is now obsolete. |
1449 | ||
dfdb4cad | 1450 | *** New variable `compilation-filter-start', which is bound while |
7d301ae6 CY |
1451 | `compilation-filter-hook' runs. It records the start position of the |
1452 | text inserted by `compilation-filter'. | |
041d709f | 1453 | |
47a6a35f GM |
1454 | *** `compilation-error-screen-columns' and `compilation-first-column' |
1455 | are obeyed in the editing buffer. So programming language modes can | |
7d301ae6 CY |
1456 | set them, whereas previously only the value in the *Compilation* |
1457 | buffer was used. | |
1dce7193 | 1458 | |
52834b6b CY |
1459 | ** Customize |
1460 | ||
1461 | *** Customize buffers now contain a search field. | |
1462 | The search is performed using `customize-apropos'. | |
7d301ae6 | 1463 | To turn off the search field, set `custom-search-field' to nil. |
52834b6b | 1464 | |
8d5dd370 | 1465 | *** Options in customize group buffers start out hidden if not customized. |
52834b6b CY |
1466 | Use the arrow to the left of the option name to toggle visibility. |
1467 | ||
1468 | *** custom-buffer-sort-alphabetically now defaults to t. | |
1469 | ||
1470 | *** The color widget now has a "Choose" button, which allows you to | |
7d301ae6 | 1471 | choose a color via `list-colors-display'. |
52834b6b | 1472 | |
041d709f CY |
1473 | ** D-Bus |
1474 | ||
5da3be7f GM |
1475 | *** It is now possible to access buses other than the default system |
1476 | or session bus. | |
041d709f | 1477 | |
7d301ae6 | 1478 | *** The `dbus-register-method' and `dbus-register-property' functions |
5da3be7f | 1479 | optionally do not register names. |
041d709f | 1480 | |
7d301ae6 | 1481 | *** The new function `dbus-register-service' registers a known service |
dfdb4cad | 1482 | name on a D-Bus without also registering a property or a method. |
041d709f | 1483 | |
f5d6548a | 1484 | ** Dired-x |
425a25f1 | 1485 | |
7d301ae6 CY |
1486 | *** C-x C-j (`dired-jump') and C-x 4 C-j (`dired-jump-other-window'), |
1487 | if called with a prefix argument, read a file name from the minibuffer | |
1488 | instead of using the current buffer. | |
f5d6548a | 1489 | |
7d301ae6 | 1490 | *** The "dired local variables" feature of Dired-x is obsolete. |
817b48a7 | 1491 | The standard directory local variables feature replaces it. |
8117868f | 1492 | |
041d709f | 1493 | ** ERC changes |
7492acc9 | 1494 | |
c4077254 GM |
1495 | *** New options `erc-autojoin-timing' and `erc-autojoin-delay', |
1496 | controlling attempts to autojoin a channel. | |
041d709f CY |
1497 | |
1498 | *** New variable `erc-coding-system-precedence': If we use `undecided' | |
1499 | as the server coding system, this variable will then be consulted. | |
1500 | The default is to decode strings that can be decoded as utf-8 as | |
1501 | utf-8, and do the normal `undecided' decoding for the rest. | |
7492acc9 | 1502 | |
041d709f | 1503 | ** Eshell changes |
7492acc9 | 1504 | |
05f77e38 GM |
1505 | *** The default value of `eshell-directory-name' has changed |
1506 | to be an "eshell" directory in `user-emacs-directory'. | |
1507 | The old "~/.eshell/" directory is still used if it exists, though. | |
041d709f CY |
1508 | |
1509 | ** gdb-mi | |
dfdb4cad CY |
1510 | |
1511 | *** The M-x gdb command now uses the GDB Machine Interface protocol. | |
05f77e38 GM |
1512 | It now supports multithread non-stop debugging and simultaneous |
1513 | debugging of several threads. | |
7492acc9 | 1514 | |
18af70d0 CY |
1515 | ** Image mode |
1516 | ||
05f77e38 GM |
1517 | *** RET (`image-toggle-animation') toggles animation, if applicable. |
1518 | Animation plays once, unless the option `image-animate-loop' is non-nil. | |
18af70d0 | 1519 | |
041d709f | 1520 | ** Info |
723ee192 | 1521 | |
7d301ae6 | 1522 | *** New command M-x info-display-manual displays a named Info manual. |
2ebc3b94 GM |
1523 | If that manual is already visited in some Info buffer, it displays |
1524 | that buffer. (This is handy if you have many manuals in many *info* | |
1525 | buffers, and don't remember the name of the buffer visiting the manual | |
1526 | you want to consult.) Otherwise, it loads and displays the manual. | |
691cf4a0 | 1527 | |
24ea72d3 EZ |
1528 | *** `e' is now bound to `end-of-buffer' rather than to `Info-edit'. |
1529 | This is for compatibility with the stand-alone Info reader program, | |
1530 | and also because `Info-edit' is a rarely used command that is disabled | |
1531 | by default. | |
1532 | ||
7d301ae6 | 1533 | ** Mail mode changes (not Message mode) |
dfdb4cad | 1534 | |
7d301ae6 | 1535 | *** New command M-x mail-add-attachment for adding MIME attachments |
7d301ae6 | 1536 | |
dfdb4cad CY |
1537 | *** The command M-x mail-attach-file was renamed to M-x mail-insert-file. |
1538 | (Its name is misleading, since it has nothing to do with MIME | |
1539 | attachments.) The old name is now an obsolete alias to the new name. | |
1540 | ||
f2c3a9eb | 1541 | ** MH-E has been updated to MH-E version 8.3.1. |
041d709f | 1542 | See MH-E-NEWS for details. |
37221432 | 1543 | |
041d709f | 1544 | ** Modula-2 mode provides auto-indentation. |
37221432 | 1545 | |
041d709f | 1546 | ** mpc.el: Can use pseudo tags of the form tag1|tag2 as a union of two tags. |
3c3d4f5b | 1547 | |
5d1ac394 | 1548 | ** nXML mode no longer binds C-RET to `nxml-complete'. |
dfdb4cad CY |
1549 | Completion is now performed via `completion-at-point', bound to C-M-i |
1550 | or M-TAB. If `nxml-bind-meta-tab-to-complete-flag' is non-nil (the | |
1551 | default), this performs tag completion. | |
5d1ac394 | 1552 | |
f2c3a9eb CY |
1553 | ** Org mode has been updated to version 7.8.09. |
1554 | See ORG-NEWS for details. | |
1555 | ||
041d709f | 1556 | ** Prolog mode has been completely revamped, with lots of additional |
7d301ae6 CY |
1557 | functionality such as more intelligent indentation, electricity, |
1558 | support for more variants, including Mercury, and a lot more. | |
041d709f CY |
1559 | |
1560 | ** Rmail | |
1561 | ||
1562 | *** The command `rmail-epa-decrypt' decrypts OpenPGP data | |
1563 | in the Rmail incoming message. | |
1564 | ||
50419064 GM |
1565 | *** The variable `rmail-message-filter' no longer has any effect. |
1566 | This change was made in Emacs 23.1 but was not advertised at the time. | |
1567 | Try using `rmail-show-message-hook' instead. | |
1568 | ||
717a1362 | 1569 | ** Shell mode |
dfdb4cad CY |
1570 | |
1571 | *** M-x shell prompts for the shell path name if the default directory | |
1572 | is a remote file name and neither the environment variable $ESHELL nor | |
1573 | the variable `explicit-shell-file-name' is set. | |
1574 | ||
1575 | *** TAB is now bound to the standard `completion-at-point' command, | |
1576 | which now implements the pcomplete rules for shell command completion. | |
717a1362 | 1577 | |
7d301ae6 CY |
1578 | ** SMTPmail |
1579 | ||
dfdb4cad | 1580 | *** SMTPmail now uses encrypted connections (via STARTTLS) by default |
7d301ae6 CY |
1581 | if the mail server supports them. This uses either built-in GnuTLS |
1582 | support, or the starttls.el library. Customize `smtpmail-stream-type' | |
1583 | to change this. | |
1584 | ||
7d301ae6 CY |
1585 | *** The variable `smtpmail-auth-credentials' has been removed. |
1586 | By default, the information is now stored in the file ~/.authinfo. | |
dfdb4cad CY |
1587 | This was the default value of smtpmail-auth-credentials. If you had |
1588 | customized smtpmail-auth-credentials to a list of user names and | |
1589 | passwords, those settings are not used. During your first connection | |
1590 | to the smtp server, Emacs will prompt for the user name and password, | |
1591 | and offer to save them to ~/.authinfo. Or you can manually copy the | |
1592 | credentials to ~/.authinfo. For example, if you had | |
7d301ae6 CY |
1593 | |
1594 | (setq smtpmail-auth-credentials | |
1595 | '(("mail.example.org" 25 "jim" "s!cret"))) | |
1596 | ||
1597 | then the equivalent line in ~/.authinfo would be | |
1598 | ||
1599 | machine mail.example.org port 25 login jim password s!cret | |
1600 | ||
1601 | See the auth-source manual for more information, e.g. on encrypting | |
1602 | the credentials file. | |
1603 | ||
7d301ae6 | 1604 | *** The variable `smtpmail-starttls-credentials' has been removed. |
dfdb4cad | 1605 | If you had that set, you need to put |
7d301ae6 CY |
1606 | |
1607 | machine smtp.whatever.foo port 25 key "~/.my_smtp_tls.key" cert "~/.my_smtp_tls.cert" | |
1608 | ||
1609 | in your ~/.authinfo file instead. | |
1610 | ||
8ce192e3 LI |
1611 | *** SMTPmail defaults to using the address in the From: header as the |
1612 | SMTP MAIL FROM envelope. To override this, set `mail-envelope-from' | |
1613 | to the address you wish to use instead. | |
1614 | ||
34e8a2da | 1615 | ** SQL mode |
041d709f | 1616 | |
34e8a2da GM |
1617 | *** New options `sql-port', `sql-connection-alist', `sql-send-terminator', |
1618 | and `sql-oracle-scan-on'. | |
041d709f | 1619 | |
dfdb4cad | 1620 | *** New options controlling prompting for login parameters. |
34e8a2da GM |
1621 | Each supported product has a custom variable `sql-*-login-params', |
1622 | which is a list of the parameters to be prompted for before a | |
1623 | connection is established. | |
041d709f CY |
1624 | |
1625 | *** The command `sql-product-interactive' now takes a prefix argument, | |
34e8a2da | 1626 | which causes it to prompt for an SQL product. |
041d709f | 1627 | |
34e8a2da | 1628 | *** Product-specific SQL interactive commands now take prefix arguments. |
041d709f CY |
1629 | These commands (`sql-sqlite', `sql-postgres', `sql-mysql', etc.), |
1630 | given a prefix argument, prompt for a name for the SQL interactive | |
1631 | buffer. This reduces the need for calling `sql-rename-buffer'. | |
1632 | ||
1633 | *** SQL interactive modes suppress command continuation prompts, and | |
1634 | replace tabs with spaces. The first change impacts multiple line SQL | |
1635 | statements entered with C-j between each line, statements yanked into | |
1636 | the buffer and statements sent with `sql-send-*' functions. The | |
34e8a2da GM |
1637 | second prevents the MySQL and Postgres interpreters from listing |
1638 | object name completions when sent text via `sql-send-*' functions. | |
041d709f CY |
1639 | |
1640 | *** New command `sql-connect' starts a predefined SQLi session, | |
1641 | using the login parameters from `sql-connection-alist'. | |
1642 | ||
1643 | *** New "Save Connection" menu item in SQLi buffers. | |
1644 | This gathers the login params specified for the SQLi session, if it | |
1645 | was not started by a connection, and saves them as a new connection. | |
1646 | ||
34e8a2da GM |
1647 | *** New commands for listing database objects and details: |
1648 | sql-list-all and sql-list-table. | |
041d709f CY |
1649 | |
1650 | *** An API for manipulating SQL product definitions has been added. | |
1651 | ||
1652 | ** TeX modes | |
1653 | ||
1654 | *** latex-electric-env-pair-mode keeps \begin..\end matched on the fly. | |
412b9ee5 | 1655 | |
459bba37 | 1656 | ** Tramp |
dfdb4cad | 1657 | |
7d301ae6 | 1658 | *** New inline access method "ksu" (kerberized su). |
dfdb4cad | 1659 | |
459bba37 | 1660 | *** The following access methods are discontinued: "ssh1_old", |
ea843702 | 1661 | "ssh2_old", "scp1_old", "scp2_old", "imap", "imaps" and "fish". |
dfdb4cad | 1662 | |
b011fbfe GM |
1663 | *** The user option `remote-file-name-inhibit-cache' controls whether |
1664 | remote file attributes are cached for better performance. | |
dfdb4cad | 1665 | |
58f74fe4 MA |
1666 | *** The option `ange-ftp-binary-file-name-regexp' has changed its |
1667 | default value to "". | |
dfdb4cad | 1668 | |
7d301ae6 CY |
1669 | *** Handlers for `file-selinux-context' and `set-file-selinux-context' |
1670 | for remote machines which support SELinux. | |
58f74fe4 | 1671 | |
dfdb4cad | 1672 | ** New function `url-queue-retrieve', which behaves like url-retrieve, |
a48ec60c GM |
1673 | but with limits (`url-queue-parallel-processes', `url-queue-timeout') on |
1674 | the degree of parallelism. | |
177549d0 | 1675 | |
0c32ce32 CY |
1676 | ** VC and related modes |
1677 | ||
1678 | *** Support for pulling on distributed version control systems. | |
7d301ae6 CY |
1679 | The command C-x v + (`vc-pull') runs a "pull" operation, if it is |
1680 | supported (currently with Bzr, Git, and Mercurial), to update the | |
1681 | current branch and working tree. A prefix argument means to prompt | |
1682 | the user for specifics, e.g. a pull location. | |
0c32ce32 | 1683 | |
dab3703d | 1684 | *** `vc-update' is now an alias for `vc-pull'. |
0c32ce32 CY |
1685 | |
1686 | *** Support for merging on distributed version control systems. | |
7d301ae6 CY |
1687 | The command C-x v m (`vc-merge') now runs a "merge" operation, if it |
1688 | is supported (currently with Bzr, Git, and Mercurial), to merge | |
1689 | changes from another branch into the current one. It prompts for | |
1690 | specifics, e.g. a merge source. | |
0c32ce32 | 1691 | |
2afef60a | 1692 | *** New option `vc-revert-show-diff' controls whether `vc-revert' |
bbe43420 | 1693 | shows a diff while querying the user. It defaults to t. |
2afef60a | 1694 | |
d4eb88c7 CY |
1695 | *** Log entries in some Log View buffers can be toggled to display a |
1696 | longer description by typing RET (log-view-toggle-entry-display). | |
dab3703d GM |
1697 | This is currently supported for Bzr, Git, and Mercurial (to support |
1698 | another backend, define a `log-view-expanded-log-entry-function'). | |
7d301ae6 | 1699 | In the Log View buffers made by C-x v L (`vc-print-root-log'), you can |
d4eb88c7 CY |
1700 | use this to display the full log entry for the revision at point. |
1701 | ||
1c6c854e CS |
1702 | *** New command `vc-ediff' allows visual comparison of two revisions |
1703 | of a file similar to `vc-diff', but using ediff backend. | |
1704 | ||
86c60681 CY |
1705 | *** The option `vc-initial-comment' was removed in Emacs 23.2, but |
1706 | this was not advertised at the time. | |
1707 | ||
86c60681 CY |
1708 | *** `vc-toggle-read-only' is an obsolete alias for `toggle-read-only'. |
1709 | Since Emacs 23, it has done the same thing as `toggle-read-only', but | |
80c6d77f GM |
1710 | this was not advertised at the time. |
1711 | ||
041d709f CY |
1712 | ** Obsolete modes |
1713 | ||
23d70505 GM |
1714 | *** abbrevlist.el |
1715 | ||
f8ca9162 | 1716 | *** erc-hecomplete.el (use erc-pcomplete.el instead) |
23d70505 GM |
1717 | |
1718 | *** partial-completion-mode (complete.el) is obsolete. | |
041d709f CY |
1719 | You can get a comparable behavior with: |
1720 | (setq completion-styles '(partial-completion initials)) | |
1721 | (setq completion-pcm-complete-word-inserts-delimiters t) | |
1722 | ||
23d70505 GM |
1723 | *** pc-mode.el is obsolete (CUA mode is much more comprehensive). |
1724 | ||
2c719188 | 1725 | *** pgg is obsolete (use EasyPG instead). |
041d709f CY |
1726 | |
1727 | *** sregex.el is obsolete, since rx.el is a strict superset. | |
1728 | ||
23d70505 GM |
1729 | *** s-region.el and pc-select.el are obsolete. |
1730 | They are superseded by shift-select-mode, enabled by default since 23.1. | |
1731 | ||
2c719188 | 1732 | *** vc-mcvs.el is obsolete (for lack of a maintainer). |
ca5eed61 | 1733 | |
0fe719e6 GM |
1734 | ** Miscellaneous |
1735 | ||
05f77e38 | 1736 | *** The Landmark game is now invoked with `landmark', not `lm'. |
c6ad2a4e | 1737 | Its functions and variables have been similarly renamed. |
05f77e38 | 1738 | |
dfdb4cad | 1739 | *** In `ido-file-completion-map', C-v is no longer bound to `ido-toggle-vc'. |
05f77e38 GM |
1740 | (This interfered with cua-mode.) |
1741 | ||
9f678528 GM |
1742 | *** f90.el has some support for Fortran 2008 syntax. |
1743 | ||
0fe719e6 GM |
1744 | *** `copyright-fix-years' can optionally convert consecutive years to ranges. |
1745 | ||
5b3e6db8 GM |
1746 | *** New command `nato-region' converts text to NATO phonetic alphabet. |
1747 | ||
eb199145 GM |
1748 | \f |
1749 | * New Modes and Packages in Emacs 24.1 | |
d445b3f8 | 1750 | |
60e56523 | 1751 | ** Occur Edit mode applies edits made in *Occur* buffers to the |
8c0f49f0 | 1752 | original buffers. It is bound to "e" in Occur mode. |
60e56523 | 1753 | |
a075a2c5 GM |
1754 | ** New global minor mode electric-pair-mode. |
1755 | When enabled, typing an open parenthesis automatically inserts the | |
1756 | matching closing one. | |
1757 | ||
1758 | ** New global minor mode electric-indent-mode. | |
1759 | When enabled, typing certain characters triggers reindentation. | |
cd3308f3 GM |
1760 | Major modes wishing to use this can set electric-indent-chars or |
1761 | electric-indent-functions. | |
a075a2c5 GM |
1762 | |
1763 | ** New global minor mode electric-layout-mode. | |
1764 | When enabled, typing certain characters automatically inserts newlines. | |
cd3308f3 | 1765 | Major modes wishing to use this can set electric-layout-rules. |
3b843809 | 1766 | |
a83ec3c9 CY |
1767 | ** tabulated-list.el provides a generic major mode for tabulated data, |
1768 | from which other modes can be derived. | |
1769 | ||
d02c9bcd SM |
1770 | ** pcase.el provides the ML-style pattern matching macro `pcase'. |
1771 | ||
7725ebb7 MA |
1772 | ** secrets.el is an implementation of the Secret Service API, an |
1773 | interface to password managers like GNOME Keyring or KDE Wallet. The | |
065f2743 MA |
1774 | Secret Service API requires D-Bus for communication. The command |
1775 | `secrets-show-secrets' offers a buffer with a visualization of the | |
1776 | secrets. | |
7725ebb7 | 1777 | |
f9e78150 MA |
1778 | ** notifications.el provides an implementation of the Desktop |
1779 | Notifications API. It requires D-Bus for communication. | |
1780 | ||
12fe5bcc MA |
1781 | ** soap-client.el supports access to SOAP web services from Emacs. |
1782 | soap-inspect.el is an interactive inspector for SOAP WSDL structures. | |
1783 | ||
ff1796f3 | 1784 | ** New generic mode, xmodmap-generic-mode, for xmodmap files. |
ad7d6ecb | 1785 | |
53bbe3ad | 1786 | ** New emacs-lock.el package. |
7d301ae6 CY |
1787 | The previous version has been moved to obsolete/old-emacs-lock.el. |
1788 | Now, there is a proper minor mode `emacs-lock-mode'. Protection | |
1789 | against exiting Emacs and killing the buffer can be set separately. | |
1790 | The mechanism for automatically turning off protection for buffers | |
1791 | with dead inferior processes has been generalized. | |
53bbe3ad | 1792 | |
eb199145 GM |
1793 | \f |
1794 | * Incompatible Lisp Changes in Emacs 24.1 | |
6dfcbe31 | 1795 | |
7d301ae6 CY |
1796 | ** Passing a nil argument to a minor mode function call now ENABLES |
1797 | the minor mode unconditionally. This is so that you can write e.g. | |
1798 | ||
dfdb4cad | 1799 | (add-hook 'text-mode-hook 'foo-mode) |
7d301ae6 | 1800 | |
dfdb4cad CY |
1801 | to enable foo-mode in Text mode buffers, removing the need for |
1802 | `turn-on-foo-mode' style functions. This affects all mode commands | |
1803 | defined by `define-minor-mode'. If called interactively, the mode | |
1804 | command still toggles the minor mode. | |
7d301ae6 | 1805 | |
d268b4fe CY |
1806 | ** The return value of `backup-buffer' has changed. |
1807 | It is now a list of three elements, where the second element is a list | |
1808 | describing the original file's SELinux context. If Emacs or the | |
f003f294 | 1809 | system lacks SELinux support, the context list is (nil nil nil nil). |
7d301ae6 | 1810 | See "Basic SELinux support" above, under "Changes in Emacs 24.1". |
d268b4fe | 1811 | |
dfdb4cad CY |
1812 | ** `char-direction-table' and the `char-direction' function were deleted. |
1813 | They were buggy and inferior to the new support of bidirectional | |
1814 | editing introduced in Emacs 24. If you need the bidirectional | |
1815 | properties of a character, use `get-char-code-property' with the last | |
1816 | argument `bidi-class'. | |
fa6996bc | 1817 | |
470d996d TV |
1818 | ** `copy-directory' now copies the source directory as a subdirectory |
1819 | of the target directory, if the latter is an existing directory. The | |
1820 | new optional arg COPY-CONTENTS, if non-nil, makes the function copy | |
1821 | the contents directly into a pre-existing target directory. | |
1822 | ||
9173a8fb CY |
1823 | ** For mouse click input events in the text area, the Y pixel |
1824 | coordinate in the POSITION list now counts from the top of the text | |
1825 | area, excluding any header line. Previously, it counted from the top | |
1826 | of the header line. | |
1827 | ||
7d301ae6 CY |
1828 | ** Support for "old-style" backquotes, obsolete for 10+ years, has |
1829 | been further reduced. Now a backquote not followed by a space is | |
1830 | always treated as a "new-style" backquote. Please remove all | |
1831 | "old-style" backquotes from your code. If your code uses backquotes | |
1832 | as documented in the Elisp manual, and compiles without warning, then | |
1833 | you have nothing to do in this regard. Code not following the | |
1834 | appropriate conventions may fail to compile. | |
50ab02c5 CY |
1835 | |
1836 | The most common cause of trouble seems to be an old-style backquote | |
1837 | followed by a newline. Another cause of trouble is vector notation | |
1838 | for key sequence notation: instead of [(control ,)] and [(control ')], | |
1839 | you should write [(control ?,)] and [(control ?')], which will work in | |
7d301ae6 | 1840 | older Emacsen too. |
288cf4e9 | 1841 | |
520f2425 GM |
1842 | ** The macro `eval-at-startup' was removed in Emacs 23.2, but this |
1843 | was not advertised at the time. The function `custom-initialize-delay' | |
1844 | replaced all known uses. | |
1845 | ||
7d301ae6 CY |
1846 | ** `view-buffer' now treats special mode-class in the same way that |
1847 | `view-file' has since Emacs 22 (i.e. it won't enable View mode if the | |
1848 | major mode is special). | |
fd5c9dfa | 1849 | |
7d301ae6 | 1850 | ** Menu and tool bar changes |
6431f2e6 | 1851 | |
7d301ae6 | 1852 | *** During startup, Emacs no longer adds entries for `menu-bar-lines' |
0a19a6f8 JB |
1853 | and `tool-bar-lines' to `default-frame-alist' and `initial-frame-alist'. |
1854 | With these alist entries omitted, `make-frame' checks the value of the | |
1855 | variable `menu-bar-mode'/`tool-bar-mode' to determine whether to create | |
1856 | a menu-bar or tool-bar, respectively. If the alist entries are added, | |
1857 | they override the value of `menu-bar-mode'/`tool-bar-mode'. | |
6431f2e6 | 1858 | |
7d301ae6 CY |
1859 | *** The menu bar bindings's caches are not used any more. |
1860 | Use (where-is-internal <def> nil t) instead. | |
1861 | ||
fe0aa820 | 1862 | ** Regions created by mouse dragging are now normal active regions, |
dfdb4cad | 1863 | similar to those created by shift-selection (see Selection changes |
7d301ae6 CY |
1864 | above). In previous Emacs versions, these regions were delineated by |
1865 | `mouse-drag-overlay'; that variable has been removed. | |
d6d8ee7a | 1866 | |
7d301ae6 CY |
1867 | ** The fourth argument of `filter-buffer-substring' has been removed. |
1868 | If you want to remove text properties from the final result, simply | |
1869 | pass the result through substring-no-properties. | |
34c99998 | 1870 | |
4583e796 GM |
1871 | ** cl.el no longer provides `cl-19'. |
1872 | ||
7d301ae6 CY |
1873 | ** The following obsolete functions and aliases have been removed |
1874 | (the appropriate new function is given in parentheses; "not needed" | |
1875 | means you can just remove all calls to the function in question): | |
1876 | ||
1877 | *** `comint-kill-output' (`comint-delete-output') | |
1878 | *** `decompose-composite-char' (`char-to-string') | |
1879 | *** `outline-visible' (`outline-invisible-p') | |
1880 | *** `internal-find-face' (`facep') | |
1881 | *** `internal-get-face' (`facep and check-face') | |
1882 | *** `frame-update-faces' (not needed) | |
1883 | *** `frame-update-face-colors' (`frame-set-background-mode') | |
1884 | *** `x-frob-font-weight' and `x-frob-font-slant' (`make-face-*' functions) | |
2c719188 | 1885 | *** `x-make-font-bold and x-make-font-demibold (`make-face-bold') |
7d301ae6 CY |
1886 | *** `x-make-font-italic' and `x-make-font-oblique' (`make-face-italic') |
1887 | *** `x-make-font-bold-italic' (`make-face-bold-italic') | |
1888 | *** `x-make-font-unbold' (`make-face-unbold') | |
1889 | *** `x-make-font-unitalic' (`make-face-unitalic') | |
1890 | *** `mldrag-drag-mode-line' (`mouse-drag-mode-line') | |
1891 | *** `mldrag-drag-vertical-line' (`mouse-drag-vertical-line') | |
1892 | *** `iswitchb-default-keybindings' (`iswitchb-mode') | |
1893 | *** `char-bytes' (== 1) | |
1894 | *** `isearch-return-char' (`isearch-printing-char') | |
1895 | *** `make-local-hook' (not needed) | |
1896 | *** `set-screen-height' (`set-frame-height') | |
1897 | *** `set-screen-width' (`set-frame-width') | |
1898 | ||
7d301ae6 CY |
1899 | ** The following obsolete variables and varaliases have been removed |
1900 | (the appropriate new variable is given in parentheses): | |
1901 | ||
1902 | *** `checkdoc-minor-keymap' (`checkdoc-minor-mode-map') | |
1903 | *** `vc-header-alist' (`vc-BACKEND-header') | |
1904 | *** `directory-sep-char' (== ?/) | |
1905 | *** `font-lock-defaults-alist' (`font-lock-defaults') | |
1906 | *** `e' (`float-e'). | |
3226d6ca | 1907 | |
041d709f | 1908 | ** The following obsolete files were removed: |
7b0e3048 GM |
1909 | sc.el, x-menu.el, rnews.el, rnewspost.el |
1910 | ||
7d301ae6 CY |
1911 | ** The format of the finder-inf.el file has changed, since the Finder |
1912 | mechanism is now based on the package system. The variable | |
1913 | `finder-package-info' is replaced by `package--builtins' and | |
1914 | `finder-keywords-hash'. | |
33658d4e | 1915 | |
c2c79260 DE |
1916 | ** When generating autoloads, `update-directory-autoloads' no longer |
1917 | assumes every inspected file is in your `load-path'. It instead | |
1918 | generates relative names according to the current `load-path'. | |
1919 | ||
eb199145 GM |
1920 | \f |
1921 | * Lisp changes in Emacs 24.1 | |
9097e8af | 1922 | |
041d709f | 1923 | ** Code can now use lexical scoping by default instead of dynamic scoping. |
dfdb4cad | 1924 | The `lexical-binding' variable enables lexical scoping for local |
48da7392 | 1925 | variables. It is typically set via a file-local variable in the first |
dfdb4cad CY |
1926 | line of the file, in which case it applies to all the code in that |
1927 | file. | |
1928 | ||
041d709f CY |
1929 | *** `eval' takes a new optional argument `lexical' to choose the new lexical |
1930 | binding instead of the old dynamic binding mode. | |
dfdb4cad | 1931 | |
041d709f CY |
1932 | *** Lexically scoped interpreted functions are represented with a new form |
1933 | of function value which looks like (closure ENV ARGS &rest BODY). | |
1934 | ||
1935 | *** New macro `letrec' to define recursive local functions. | |
dfdb4cad CY |
1936 | |
1937 | *** `defvar' and `defconst' now mark the variable as special (dynamic). | |
1938 | So do `defcustom' and other forms that call `defvar' as a subroutine. | |
1939 | ||
041d709f CY |
1940 | *** New function `special-variable-p' to check whether a variable is |
1941 | declared as dynamically bound. | |
1942 | ||
88ed9e87 SM |
1943 | *** The form ((lambda ...) ...) is deprecated. |
1944 | ||
041d709f CY |
1945 | ** An Emacs Lisp testing tool is now included. |
1946 | Emacs Lisp developers can use this tool to write automated tests for | |
1947 | their code. See the ERT info manual for details. | |
1948 | ||
1949 | ** Changes for bidirectional display and editing | |
f1816485 | 1950 | |
041d709f | 1951 | *** New function `current-bidi-paragraph-direction'. |
7d301ae6 | 1952 | This returns the base direction of the paragraph at point. |
041d709f | 1953 | |
041d709f | 1954 | *** New function `bidi-string-mark-left-to-right'. |
dfdb4cad CY |
1955 | Given a string containing characters from right-to-left scripts, this |
1956 | function returns another string which can be safely inserted into a | |
1957 | buffer, such that any following text will be always displayed to the | |
7d301ae6 CY |
1958 | right of that string. (This works by appending an invisible Unicode |
1959 | "LEFT-TO-RIGHT MARK" character if the argument string might need it.) | |
041d709f | 1960 | |
7d301ae6 | 1961 | This is useful when the buffer has overall left-to-right paragraph |
dfdb4cad CY |
1962 | direction and you need to insert a string whose contents are not known |
1963 | in advance, without disrupting the layout of the line. | |
041d709f | 1964 | |
bee0fcef | 1965 | ** Window changes |
dfdb4cad | 1966 | |
c4682d18 MR |
1967 | *** Window tree functions are accessible in Elisp. |
1968 | Functions are provided to return the parent, siblings or child windows | |
1969 | of any window including internal windows (windows not associated with a | |
1970 | buffer) in the window tree. | |
dfdb4cad | 1971 | |
24300f5f CY |
1972 | **** New function `window-valid-p' gives non-nil for live and internal |
1973 | windows. | |
dfdb4cad | 1974 | |
24300f5f | 1975 | **** Window manipulation can deal with internal windows. |
c4682d18 MR |
1976 | Many window handling functions like `split-window', `delete-window', or |
1977 | `delete-other-windows' as well as the window resizing functions can now | |
1978 | act on any window including internal ones. | |
dfdb4cad | 1979 | |
c4682d18 MR |
1980 | *** window-total-height/-width vs window-body-height/-width. |
1981 | The function `window-height' has been renamed to `window-total-height' | |
1982 | and `window-width' has been renamed to `window-body-width'. The old | |
1983 | names are provided as aliases. Two new functions `window-total-width' | |
1984 | and `window-body-height' are provided. | |
dfdb4cad | 1985 | |
c4682d18 MR |
1986 | *** Window parameters specific to window handling functions. |
1987 | For each window you can specify a parameter to override the default | |
1988 | behavior of a number of functions like `split-window', `delete-window' | |
ed6235ea MR |
1989 | and `delete-other-windows'. The variable `ignore-window-parameters' |
1990 | allows to ignore processing such parameters. | |
dfdb4cad | 1991 | |
c4682d18 | 1992 | *** New semantics of third argument of `split-window'. |
c4682d18 MR |
1993 | The third argument of `split-window' has been renamed to SIDE and can be |
1994 | set to any of the values 'below, 'right, 'above, or 'left to make the | |
1995 | new window appear on the corresponding side of the window that shall be | |
1996 | split. Any other value of SIDE will cause `split-window' to split the | |
1997 | window into two side-by-side windows as before. | |
dfdb4cad | 1998 | |
c4682d18 | 1999 | *** Window resizing functions. |
487ffd7a | 2000 | A new standard function for resizing windows called `window-resize' has |
c4682d18 MR |
2001 | been introduced. This and all other functions for resizing windows no |
2002 | longer delete any windows when they become too small. | |
dfdb4cad | 2003 | |
b3c0dbfd MR |
2004 | *** Deleting the selected window now selects the most recently selected |
2005 | live window on that frame instead. | |
dfdb4cad | 2006 | |
c4682d18 MR |
2007 | *** `adjust-window-trailing-edge' adjustments. |
2008 | `adjust-window-trailing-edge' can now deal with fixed-size windows and | |
2009 | is able to resize other windows if a window adjacent to the trailing | |
2010 | edge cannot be shrunk any more. This makes its behavior more similar to | |
2011 | that of Emacs 21 without compromising, however, its inability to delete | |
2012 | windows which was introduced in Emacs 22. | |
dfdb4cad | 2013 | |
c4682d18 MR |
2014 | *** Window-local buffer lists. |
2015 | Windows now have local buffer lists. This means that removing a buffer | |
2016 | from display in a window will preferably show the buffer previously | |
2017 | shown in that window with its previous window-start and window-point | |
2018 | positions. This also means that the same buffer may be automatically | |
2019 | shown twice even if it already appears in another window. | |
dfdb4cad | 2020 | |
bee0fcef CY |
2021 | *** `switch-to-buffer' has a new optional argument FORCE-SAME-WINDOW, |
2022 | which if non-nil requires the buffer to be displayed in the currently | |
2023 | selected window, signaling an error otherwise. If nil, another window | |
2024 | can be used, e.g. if the selected one is strongly dedicated. | |
dfdb4cad | 2025 | |
0a2132ba | 2026 | *** `split-window-vertically' and `split-window-horizontally' renamed |
2d197ffb CY |
2027 | to `split-window-below' and `split-window-right' respectively. |
2028 | The old names are kept as aliases. | |
dfdb4cad | 2029 | |
0a2132ba CY |
2030 | *** Display actions |
2031 | ||
2032 | **** The second arg to `display-buffer' and `pop-to-buffer' is now | |
2033 | named ACTION, and takes a display action of the same form as | |
2034 | `display-buffer-base-action' (see Changes, above). A non-nil, | |
2035 | non-list value is treated specially, as the old meaning. | |
2036 | ||
2037 | **** New variable `display-buffer-overriding-action'. | |
2038 | ||
2039 | **** The procedure of `display-buffer' etc. to choose a window is | |
2040 | determined by combining `display-buffer-overriding-action', | |
2041 | `display-buffer-alist', the ACTION arg, `display-buffer-base-action', | |
2042 | and `display-buffer-fallback-action'. The second and fourth of these | |
2043 | are user-customizable variables. | |
2044 | ||
2045 | See the docstring of `display-buffer' for details. | |
bee0fcef | 2046 | |
20d2304d CY |
2047 | *** New functions `window-state-get' and `window-state-put'. |
2048 | These functions allow to save and restore the state of an arbitrary | |
2049 | frame or window as an Elisp object. | |
2050 | ||
a2a25d24 | 2051 | ** Completion |
041d709f | 2052 | |
7d301ae6 CY |
2053 | *** New variable `completion-extra-properties' used to specify extra |
2054 | properties of the current completion: | |
a2a25d24 SM |
2055 | - :annotate-function, same as the old completion-annotate-function. |
2056 | - :exit-function, function to call after completion took place. | |
2057 | ||
7d301ae6 CY |
2058 | *** Functions on `completion-at-point-functions' can return any of the |
2059 | properties valid for `completion-extra-properties'. | |
a2a25d24 | 2060 | |
7d301ae6 | 2061 | *** `completion-annotate-function' is obsolete. |
a2a25d24 | 2062 | |
620c53a6 SM |
2063 | *** New `metadata' method for completion tables. The metadata thus returned |
2064 | can specify various details of the data returned by `all-completions': | |
2065 | - `category' is the kind of objects returned (e.g., `buffer', `file', ...), | |
2066 | used to select a style in completion-category-overrides. | |
2067 | - `annotation-function' to add annotations in *Completions*. | |
2068 | - `display-sort-function' to specify how to sort entries in *Completions*. | |
2069 | - `cycle-sort-function' to specify how to sort entries when cycling. | |
2070 | ||
7d301ae6 CY |
2071 | *** `minibuffer-local-filename-must-match-map' is not used any more. |
2072 | Instead, the bindings in `minibuffer-local-filename-completion-map' | |
2073 | are combined with `minibuffer-local-must-match-map'. | |
de09aa52 CY |
2074 | |
2075 | *** New variable `completing-read-function' allows overriding the | |
2076 | behavior of `completing-read'. | |
2077 | ||
f042970d | 2078 | ** `glyphless-char-display' can now distinguish between graphical and |
16a43933 CY |
2079 | text terminal display, via a char-table entry that is a cons cell. |
2080 | ||
7d301ae6 | 2081 | ** `pre-command-hook'/`post-command-hook' are not reset to nil on error. |
f6d62986 SM |
2082 | Instead, the offending function is removed. |
2083 | ||
b1f6fa26 CY |
2084 | ** New hook types |
2085 | ||
2086 | *** New function `run-hook-wrapped' for running an abnormal hook by | |
2087 | passing the hook functions as arguments to a "wrapping" function. | |
e7bc51d0 | 2088 | Like `run-hook-with-args-until-success', it stops at the first |
5385447f | 2089 | non-nil return value. |
e7bc51d0 | 2090 | |
b1f6fa26 CY |
2091 | *** New macro `with-wrapper-hook' for running an abnormal hook as a |
2092 | set of "wrapping" filters, similar to around advice. | |
54521c99 GM |
2093 | (A version of this macro was actually added in Emacs 23.2 but was not |
2094 | advertised at the time.) | |
f6d62986 | 2095 | |
0b19b281 | 2096 | ** Debugger changes |
dfdb4cad | 2097 | |
0b19b281 | 2098 | *** New macro `condition-case-unless-debug' (this was actually added in |
1be3ca5a | 2099 | Emacs 23.1 as condition-case-no-debug, but not advertised) |
dfdb4cad | 2100 | |
0b19b281 | 2101 | *** The macro `with-demoted-errors' was added in Emacs 23.1, but not advertised. |
dfdb4cad | 2102 | |
0b19b281 | 2103 | *** Variable `stack-trace-on-error' removed. |
dfdb4cad | 2104 | |
0b19b281 CY |
2105 | *** The debugger can now "continue" from an error, which means it will |
2106 | jump to the error handler as if the debugger had not been invoked | |
2107 | instead of jumping all the way to the top-level. | |
dfdb4cad | 2108 | |
0b19b281 CY |
2109 | *** Set `debug-on-event' to enter the debugger on events like SIGUSR1. |
2110 | This can be useful when `inhibit-quit' is set. | |
d6b1d521 | 2111 | |
953cebf5 | 2112 | ** The new function `server-eval-at' allows evaluation of Lisp forms on |
37576acd | 2113 | named Emacs server instances. |
7deebf1b | 2114 | |
1b9f60cc GM |
2115 | ** `call-process' and `call-process-region' allow a `(:file "file")' spec |
2116 | to redirect STDOUT to a file. | |
7deebf1b | 2117 | |
7d301ae6 CY |
2118 | ** The function `format-time-string' now supports the %N directive, |
2119 | for higher-resolution time stamps. | |
da97a9e6 | 2120 | |
0b19b281 | 2121 | ** New input reading functions |
dfdb4cad | 2122 | |
0b19b281 CY |
2123 | *** New function `read-char-choice' reads a restricted set of |
2124 | characters, discarding any inputs not inside the set. | |
dfdb4cad | 2125 | |
0b19b281 CY |
2126 | *** The command `read-color' now requires a match for a color name |
2127 | or RGB triplet, instead of signaling an error if the user provides | |
2128 | invalid input. | |
dfdb4cad | 2129 | |
0b19b281 | 2130 | **** `facemenu-read-color' is now an alias for `read-color'. |
3ef01959 | 2131 | |
2e288d54 JB |
2132 | ** `image-library-alist' is renamed to `dynamic-library-alist'. |
2133 | The variable is now used to load all kind of supported dynamic libraries, | |
2134 | not just image libraries. The previous name is still available as an | |
2135 | obsolete alias. | |
2136 | ||
0b19b281 | 2137 | ** Syntax parsing changes |
dfdb4cad | 2138 | |
0b19b281 | 2139 | *** New variable `syntax-propertize-function'. |
04e2ce72 | 2140 | This replaces `font-lock-syntactic-keywords' which is now obsolete. |
cf38dd42 SM |
2141 | This allows syntax-table properties to be set independently from font-lock: |
2142 | just call syntax-propertize to make sure the text is propertized. | |
2143 | Together with this new variable come a new hook | |
2144 | syntax-propertize-extend-region-functions, as well as two helper functions: | |
2145 | syntax-propertize-via-font-lock to reuse old font-lock-syntactic-keywords | |
2146 | as-is; and syntax-propertize-rules which provides a new way to specify | |
2147 | syntactic rules. | |
dfdb4cad | 2148 | |
0b19b281 | 2149 | *** Syntax tables support a new "comment style c" additionally to style b. |
a2e5caf7 | 2150 | |
7d301ae6 | 2151 | ** New hook `post-self-insert-hook', run after `self-insert-command'. |
041d709f | 2152 | |
4e2db1fe | 2153 | ** frame-local variables cannot be let-bound any more. |
041d709f | 2154 | |
15de15c6 | 2155 | ** Major and minor mode changes |
dfdb4cad | 2156 | |
0b19b281 CY |
2157 | *** `set-auto-mode' now respects mode: local variables at the end of files, |
2158 | as well as those in the -*- line. | |
dfdb4cad | 2159 | |
15de15c6 CY |
2160 | *** `prog-mode' is a new major mode from which programming modes |
2161 | should be derived. | |
dfdb4cad | 2162 | |
15de15c6 CY |
2163 | **** `prog-mode-hook' can be used to enable features for programming |
2164 | modes, e.g. (add-hook 'prog-mode-hook 'flyspell-prog-mode) to enable | |
2165 | on-the-fly spell checking for comments and strings. | |
dfdb4cad | 2166 | |
15de15c6 CY |
2167 | *** New hook `change-major-mode-after-body-hook', run by |
2168 | `run-mode-hooks' just before any other mode hooks. | |
dfdb4cad | 2169 | |
7a9a2fc6 GM |
2170 | *** Enabled globalized minor modes can be disabled in specific major modes. |
2171 | If the global mode is global-FOO-mode, then run (FOO-mode -1) in the | |
2172 | major mode's hook, where FOO-mode toggles the mode on a per-buffer basis. | |
dfdb4cad | 2173 | |
feb8a83a | 2174 | *** `define-minor-mode' accepts new keywords :variable, :after-hook. |
f44379e7 | 2175 | |
7d301ae6 CY |
2176 | ** File-handling changes |
2177 | ||
7d301ae6 | 2178 | *** `delete-file' and `delete-directory' now accept optional arg TRASH. |
f1a5d776 CY |
2179 | Trashing is performed if TRASH and `delete-by-moving-to-trash' are |
2180 | both non-nil. Interactively, TRASH defaults to t, unless a prefix | |
2181 | argument is supplied (see Trash changes, above). | |
53967e09 | 2182 | |
7d301ae6 | 2183 | *** New file predicates: `file-equal-p', `file-in-directory-p'. |
ec70a47d | 2184 | |
4039c786 CY |
2185 | ** Tool-bars can display separators. |
2186 | Tool-bar separators are handled like menu separators in menu-bar maps, | |
94975270 | 2187 | i.e. via menu entries of the form `(menu-item "--")'. |
9317e499 | 2188 | |
00fe2df1 JL |
2189 | ** Image API |
2190 | ||
18af70d0 CY |
2191 | *** Animated images support (currently animated gifs only). |
2192 | ||
2193 | **** `image-animated-p' returns non-nil if an image can be animated. | |
2194 | ||
2195 | **** `image-animate' animates a supplied image spec. | |
2196 | ||
2197 | **** `image-animate-timer' returns the timer object for an image that | |
2198 | is being animated. | |
00fe2df1 | 2199 | |
7cb76fe0 GM |
2200 | *** `image-extension-data' has been renamed to `image-metadata'. |
2201 | The old name is an obsolete alias to the new one. | |
1546c559 | 2202 | |
b4ac6e8c GM |
2203 | *** Image mode can view any image type that ImageMagick supports. |
2204 | This requires Emacs to be built with ImageMagick support. | |
7d301ae6 CY |
2205 | |
2206 | **** New function `imagemagick-types', defined if ImageMagick support | |
2207 | is enabled, returns a list of image file extensions that your | |
2208 | ImageMagick installation supports. | |
2209 | ||
2210 | **** New function `imagemagick-register-types' enables ImageMagick | |
2211 | image types in Image mode and in `create-image' and other helper | |
2212 | functions. | |
2213 | ||
2214 | **** New option `imagemagick-types-inhibit' excludes certain | |
2215 | ImageMagick image types from `imagemagick-register-types'. | |
2216 | ||
7d301ae6 CY |
2217 | **** With ImageMagick support, there are extra Image mode commands to |
2218 | resize and rotate images: `image-transform-fit-to-height', | |
2219 | `image-transform-fit-to-width', `image-transform-set-rotation', and | |
2220 | `image-transform-set-scale'. | |
041d709f | 2221 | |
7d301ae6 CY |
2222 | ** `compose-mail' now accepts an optional 8th arg, RETURN-ACTION, and |
2223 | passes it to the mail user agent function. This argument specifies an | |
2224 | action for returning to the caller after finishing with the mail. For | |
2225 | example, this is used by Rmail to optionally delete a mail window. | |
b4ac6e8c | 2226 | |
71c17aec | 2227 | ** XML and HTML parsing |
483ab230 CY |
2228 | If Emacs is compiled with libxml2 support, there are two new |
2229 | functions: `libxml-parse-html-region' (which parses "real world" HTML) | |
2230 | and `libxml-parse-xml-region' (which parses XML). Both return an | |
2231 | Emacs Lisp parse tree. | |
4b9832a6 | 2232 | |
7d301ae6 | 2233 | ** Networking and encryption changes |
e2574f2c | 2234 | |
7d301ae6 CY |
2235 | *** `open-network-stream' can now be used to open an encrypted stream. |
2236 | It now accepts an optional `:type' parameter for initiating a TLS | |
2237 | connection, directly or via STARTTLS. To do STARTTLS, additional | |
2238 | parameters (`:end-of-command', `:success', `:capabilities-command') | |
2239 | must also be supplied. | |
2240 | ||
2241 | *** New library gnutls.el. | |
dfdb4cad CY |
2242 | The new function `gnutls-available-p' returns non-nil if Emacs is |
2243 | built with GnuTLS support. The main entry points are | |
2244 | `open-gnutls-stream' and `gnutls-negotiate'. It's easiest to use | |
2245 | these functions through `open-network-stream', because that can | |
7d301ae6 CY |
2246 | upgrade connections through STARTTLS opportunistically or use plain |
2247 | SSL, depending on your needs. For debugging, set `gnutls-log-level' | |
2248 | greater than 0. | |
2249 | ||
7d301ae6 CY |
2250 | *** New primitive `secure-hash' that supports many secure hash algorithms: |
2251 | md5, sha1, sha2, sha224, sha256, sha384, and sha512. The lisp library | |
2252 | sha1.el has been removed. The `sha1' feature is provided by default. | |
71c17aec | 2253 | |
a6020335 MH |
2254 | ** Isearch |
2255 | ||
2256 | *** New hook `isearch-update-post-hook' that runs in `isearch-update'. | |
2257 | ||
9326ba26 CY |
2258 | ** Progress reporters can now "spin". |
2259 | The MIN-VALUE and MAX-VALUE arguments of `make-progress-reporter' can | |
2260 | now be nil, or omitted. This makes a "non-numeric" reporter. Each | |
2261 | time you call `progress-reporter-update' on that progress reporter, | |
2262 | with a nil or omitted VALUE argument, the reporter message is | |
2263 | displayed with a "spinning bar". | |
2264 | ||
3e214b50 JB |
2265 | ** New variable `revert-buffer-in-progress-p' is true while a buffer is |
2266 | being reverted, even if the buffer has a local `revert-buffer-function'. | |
2267 | ||
001bf877 GM |
2268 | ** New variables `delayed-warnings-list' and `delayed-warnings-hook'. |
2269 | If delayed-warnings-list is non-nil, the command loop calls | |
7d301ae6 CY |
2270 | `delayed-warnings-hook' after `post-command-hook'. At present, this |
2271 | is only used by Emacs on some platforms to display warnings during | |
2272 | startup, which might otherwise not be noticed. This uses the | |
2273 | functions `display-delayed-warnings' and `collapse-delayed-warnings'. | |
001bf877 | 2274 | |
6420d28b CY |
2275 | ** rx.el has a new `group-n' construct for explicitly numbered groups. |
2276 | ||
dac86404 GM |
2277 | ** New function `make-composed-keymap' that constructs a new keymap |
2278 | from multiple input maps. You can use this to make a keymap that | |
2279 | inherits from multiple maps, eg: | |
2280 | (set-keymap-parent newmap (make-composed-keymap othermap parent)) | |
43dc9f5b | 2281 | |
c8f6ec5c GM |
2282 | ** New function `string-prefix-p'. |
2283 | (This was actually added in Emacs 23.2 but was not advertised at the time.) | |
2284 | ||
27f7ef2f | 2285 | ** New reader macro ## that stands for the empty symbol. |
43dc9f5b AS |
2286 | This means that the empty symbol can now be read back. Also, #: by itself |
2287 | (when not immediately followed by a possible symbol character) stands for | |
2288 | an empty uninterned symbol. | |
041d709f | 2289 | |
fead402d CY |
2290 | ** New math functions `isnan', `copysign', `frexp', `ldexp'. |
2291 | ||
7d301ae6 | 2292 | ** The following functions and variables are obsolete: |
041d709f | 2293 | |
05f77e38 GM |
2294 | *** `tooltip-use-echo-area' is obsolete. |
2295 | Rather than setting this to t, disable Tooltip mode instead. | |
2296 | ||
041d709f CY |
2297 | *** buffer-substring-filters is obsolete. |
2298 | Use `filter-buffer-substring-functions' instead. | |
2299 | ||
2300 | *** `byte-compile-disable-print-circle' is obsolete. | |
2301 | ||
2302 | *** `deferred-action-list' and `deferred-action-function' are obsolete. | |
f160676e GM |
2303 | Use `post-command-hook' instead. |
2304 | ||
67e729a5 CY |
2305 | *** `font-lock-maximum-size' is obsolete. |
2306 | ||
eb199145 GM |
2307 | \f |
2308 | * Changes in Emacs 24.1 on non-free operating systems | |
d53a60a6 | 2309 | |
7a22e700 | 2310 | ** On MS Windows, Emacs warns when using the obsolete init file _emacs, |
a2f0118c GM |
2311 | and also when HOME is set to C:\ by default. |
2312 | ||
7a22e700 | 2313 | ** New configure.bat options |
04779484 | 2314 | |
7a22e700 | 2315 | *** --enable-checking builds Emacs with extra runtime checks. |
e3aef5c6 | 2316 | |
7a22e700 | 2317 | *** --distfiles specifies files to be included in binary distribution. |
e2574f2c | 2318 | |
7a22e700 OK |
2319 | *** --without-gnutls disables automatic GnuTLS detection. |
2320 | ||
a0d363f4 | 2321 | *** --lib for general library linkage, works with the USER_LIBS build variable. |
e2574f2c | 2322 | |
0a19a6f8 | 2323 | ** New make target `dist' to create binary distribution for MS Windows. |
e3aef5c6 | 2324 | |
1f5e1a16 GM |
2325 | ** The Lisp function `w32-default-color-map' is now obsolete. |
2326 | (It is only used internally in the Emacs C code.) | |
5430d399 | 2327 | |
1f5e1a16 GM |
2328 | ** Customize ns-auto-hide-menu-bar to have the menu-bar hidden, but |
2329 | reappear on mouse-over. (Requires OS X 10.6 or later.) | |
04e2ce72 | 2330 | |
ad7c802c CY |
2331 | ** On Mac OS X, dragging a file into Emacs visits the file, like on |
2332 | other platforms, rather than inserting its contents into the buffer. | |
2333 | ||
05197f40 | 2334 | \f |
a933dad1 | 2335 | ---------------------------------------------------------------------- |
5b87ad55 | 2336 | This file is part of GNU Emacs. |
a933dad1 | 2337 | |
ab73e885 | 2338 | GNU Emacs is free software: you can redistribute it and/or modify |
5b87ad55 | 2339 | it under the terms of the GNU General Public License as published by |
ab73e885 GM |
2340 | the Free Software Foundation, either version 3 of the License, or |
2341 | (at your option) any later version. | |
5b87ad55 GM |
2342 | |
2343 | GNU Emacs is distributed in the hope that it will be useful, | |
2344 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
2345 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
2346 | GNU General Public License for more details. | |
a933dad1 | 2347 | |
5b87ad55 | 2348 | You should have received a copy of the GNU General Public License |
ab73e885 | 2349 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
a933dad1 | 2350 | |
05197f40 | 2351 | \f |
a933dad1 DL |
2352 | Local variables: |
2353 | mode: outline | |
2354 | paragraph-separate: "[ \f]*$" | |
2355 | end: |