* etc/NEWS: Mention emacsclient -q.
[bpt/emacs.git] / etc / NEWS
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29b7722a 1GNU Emacs NEWS -- history of user-visible changes.
5b87ad55 2
73b0cd50 3Copyright (C) 2010-2011 Free Software Foundation, Inc.
5b87ad55 4See the end of the file for license conditions.
a933dad1 5
893db5bc 6Please send Emacs bug reports to bug-gnu-emacs@gnu.org.
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7If possible, use M-x report-emacs-bug.
8
eb199145 9This file is about changes in Emacs version 24.
9a21d88b 10
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11See files NEWS.23, NEWS.22, NEWS.21, NEWS.20, NEWS.19, NEWS.18,
12and NEWS.1-17 for changes in older Emacs versions.
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13
14You can narrow news to a specific version by calling `view-emacs-news'
15with a prefix argument or by typing C-u C-h C-n.
3f7194ed 16
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17
18Temporary note:
19 +++ indicates that the appropriate manual has already been updated.
20 --- means no change in the manuals is called for.
21When you add a new item, please add it without either +++ or ---
22so we will look at it and add it to the manual.
23
24\f
eb199145 25* Installation Changes in Emacs 24.1
09e18d03 26
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27** Configure links against libselinux if it is found.
28You can disable this by using --without-selinux.
29
30---
31** By default, the installed Info and man pages are compressed.
32You can disable this by configuring --without-compress-info.
33
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34---
35** There are new configure options:
36--with-mmdf, --with-mail-unlink, --with-mailhost.
37These provide no new functionality, they just remove the need to edit
38lib-src/Makefile by hand in order to use the associated features.
39
e547b051 40---
30c4d8dc 41** Emacs can be compiled against Gtk+ 3.0 if you pass --with-x-toolkit=gtk3
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42to configure. Note that other libraries used by Emacs, RSVG and GConf,
43also depend on Gtk+. You can disable them with --without-rsvg and
44--without-gconf.
45
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46** There is a new configure option --enable-use-lisp-union-type.
47This is only useful for Emacs developers to debug certain types of bugs.
b2957ea8 48This is not a new feature; only the configure flag is new.
d9170db5 49
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50---
51** New translation of the Emacs Tutorial in Hebrew is available
52Type `C-u C-h t' to choose it in case your language setup doesn't
53automatically select it.
54
0bfd685e 55\f
eb199145 56* Startup Changes in Emacs 24.1
4a263588 57
198a7a97 58** The --unibyte, --multibyte, --no-multibyte, and --no-unibyte
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59command line arguments, and the EMACS_UNIBYTE environment variable, no
60longer have any effect. (They were declared obsolete in Emacs 23.)
198a7a97 61
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62** New command line option `--no-site-lisp' removes site-lisp directories
63from load-path. -Q now implies this.
64
0bfd685e 65\f
eb199145 66* Changes in Emacs 24.1
7841339b 67
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68** emacsclient changes
69
d862b746 70+++
2a847524 71*** New emacsclient argument --parent-id ID can be used to open a
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72client frame in parent X window ID, via XEmbed. This works like the
73--parent-id argument to Emacs.
74
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75*** New emacsclient argument -q/--quiet suppresses some status messages.
76
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77*** If emacsclient shuts down as a result of Emacs signalling an
78error, its exit status is 1.
79
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80** Completion can cycle, depending on completion-cycle-threshold.
81
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82** auto-mode-case-fold is now enabled by default.
83
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84+++
85** Emacs now supports display and editing of bidirectional text.
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86
87See the node "Bidirectional Editing" in the Emacs Manual for some
88initial documentation.
89
90To turn this on in any given buffer, set the buffer-local variable
91`bidi-display-reordering' to a non-nil value. The default is nil.
92
93The buffer-local variable `bidi-paragraph-direction', if non-nil,
94forces each paragraph in the buffer to have its base direction
95according to the value of this variable. Possible values are
96`right-to-left' and `left-to-right'. If the value is nil (the
97default), Emacs determines the base direction of each paragraph from
98its text, as specified by the Unicode Bidirectional Algorithm.
99
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100The function `current-bidi-paragraph-direction' returns the actual
101value of paragraph base direction at point.
102
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103Reordering of bidirectional text for display in Emacs is a "Full
104bidirectionality" class implementation of the Unicode Bidirectional
105Algorithm.
106
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107Note that some advanced display features, such as overlay strings and
108`display' text properties, do not yet work correctly when
109bidirectional text is reordered for display.
110
303500aa 111** GTK scroll-bars are now placed on the right by default.
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112Use `set-scroll-bar-mode' to change this.
113
20fe03ad 114** GTK tool bars can have just text, just images or images and text.
d8004abe 115Customize `tool-bar-style' to choose style. On a Gnome desktop, the default
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116is taken from the desktop settings.
117
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118** GTK tool bars can be placed on the left/right or top/bottom of the frame.
119The frame-parameter tool-bar-position controls this. It takes the values
1c0d77cc 120top, left, right or bottom. The Options => Show/Hide menu has entries
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121for this.
122
8740c12d 123** ImageMagick support.
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124It is now possible to use the ImageMagick library to load many new
125image formats in Emacs. By default, Emacs links with the ImageMagick
126libraries if they are present at build time. To disable this, use
8ea189f7 127the configure option `--without-imagemagick'.
16a91140 128
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129The new function `imagemagick-types' returns a list of image file
130extensions that your installation of ImageMagick supports. The
131function `imagemagick-register-types' enables ImageMagick support for
b2957ea8 132these image types, minus those listed in `imagemagick-types-inhibit'.
16a91140 133
8740c12d 134See the Emacs Lisp Reference Manual for more information.
16a91140 135
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136** The colors for selected text (the region face) are taken from the GTK
137theme when Emacs is built with GTK.
138
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139** Emacs uses GTK tooltips by default if built with GTK. You can turn that
140off by customizing x-gtk-use-system-tooltips.
141
1ecb2d3f 142** Lucid menus and dialogs can display antialiased fonts if Emacs is built
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143with Xft. To change font, use the X resource font, for example:
144Emacs.pane.menubar.font: Courier-12
99852628 145
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146+++
147** Enhanced support for characters that have no glyphs in available fonts
148If a character has no glyphs in any of the available fonts, Emacs by
149default will display it either as a hexadecimal code in a box or as a
150thin 1-pixel space. In addition to these two methods, Emacs can
151display these characters as empty box, as an acronym, or not display
152them at all. To change how these characters are displayed, customize
153the variable `glyphless-char-display-control'.
154
155On character terminals these methods are used for characters that
156cannot be encoded by the `terminal-coding-system'.
157
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158** On graphical displays, the mode-line no longer ends in dashes.
159
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160** Basic SELinux support has been added.
161This requires Emacs to be linked with libselinux at build time.
162
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163*** Emacs preserves the SELinux file context when backing up, and
164optionally when copying files. To this end, copy-file has an extra
165optional argument, and backup-buffer and friends include the SELinux
166context in their return values.
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167
168*** The new functions file-selinux-context and set-file-selinux-context
169get and set the SELinux context of a file.
170
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171*** Tramp offers handlers for file-selinux-context and set-file-selinux-context
172for remote machines which support SELinux.
173
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174+++
175** The function format-time-string now supports the %N directive, for
176higher-resolution time stamps.
177
9c524fcb 178** The function kill-emacs is now run upon receipt of the signals SIGTERM
383ebd15 179and SIGHUP, and upon SIGINT in batch mode.
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180
181** kill-emacs-hook is now also run in batch mode.
182
79ce172a 183** New scrolling commands `scroll-up-command' and `scroll-down-command'
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184(bound to C-v/[next] and M-v/[prior]) does not signal errors at top/bottom
185of buffer at first key-press (instead moves to top/bottom of buffer)
186when a new variable `scroll-error-top-bottom' is non-nil.
79ce172a 187
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188** New scrolling commands `scroll-up-line' and `scroll-down-line'
189scroll a line instead of full screen.
190
a4b000fb 191** New property `scroll-command' should be set on a command's symbol to
b2957ea8 192define it as a scroll command affected by `scroll-preserve-screen-position'.
9013a7f8 193
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194** Trash changes
195
196*** `delete-by-moving-to-trash' now only affects commands that specify
197trashing. This avoids inadvertently trashing temporary files.
198
199*** Calling `delete-file' or `delete-directory' with a prefix argument
200now forces true deletion, regardless of `delete-by-moving-to-trash'.
201
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202** New option `list-colors-sort' defines the color sort order
203for `list-colors-display'.
204
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205** An Emacs Lisp package manager is now included.
206This is a convenient way to download and install additional packages,
42d9cffa 207from a package repository at elpa.gnu.org.
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208
209*** `M-x list-packages' shows a list of packages, which can be
210selected for installation.
211
212*** New command `describe-package', bound to `C-h P'.
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213
214*** By default, all installed packages are loaded and activated
215automatically when Emacs starts up. To disable this, set
216`package-enable-at-startup' to nil. To change which packages are
217loaded, customize `package-load-list'.
218
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219** An Emacs Lisp testing tool is now included.
220Emacs Lisp developers can use this tool to write automated tests for
221their code. See the ERT info manual for details.
222
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223** Custom Themes
224
225*** `M-x customize-themes' lists Custom themes which can be enabled.
226
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227*** New option `custom-theme-load-path' is the load path for themes.
228Emacs no longer looks for custom themes in `load-path'. The default
229is to search in `custom-theme-directory', followed by a built-in theme
230directory named "themes/" in `data-directory'.
231
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232*** New option `custom-safe-themes' records known-safe theme files.
233If a theme is not in this list, Emacs queries before loading it, and
234offers to save the theme to `custom-safe-themes' automatically. By
235default, all themes included in Emacs are treated as safe.
278f6845 236
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237** The user option `remote-file-name-inhibit-cache' controls whether
238the remote file-name cache is used for read access.
239
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240** The standalone programs lib-src/digest-doc and sorted-doc have been
241replaced with Lisp commands `doc-file-to-man' and `doc-file-to-info'.
242
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243** The variable `focus-follows-mouse' now always defaults to nil.
244
0bfd685e 245\f
eb199145 246* Editing Changes in Emacs 24.1
b350bdf2 247
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248+++
249** There is a new command `count-words-region', which does what you expect.
250
67027b49 251** completion-at-point now handles tags and semantic completion.
a982c7ec 252
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253** The default value of `backup-by-copying-when-mismatch' is now t.
254
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255** The command `just-one-space' (C-SPC), if given a negative argument,
256also deletes newlines around point.
257
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258** Deletion changes
259
260*** New option `delete-active-region'.
261If non-nil, C-d, [delete], and DEL delete the region if it is active
262and no prefix argument is given. If set to `kill', these commands
263kill instead.
264
265*** New command `delete-forward-char', bound to C-d and [delete].
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266This is meant for interactive use, and obeys `delete-active-region'.
267The command `delete-char' does not obey `delete-active-region'.
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268
269*** `delete-backward-char' is now a Lisp function.
270Apart from obeying `delete-active-region', its behavior is unchanged.
271However, the byte compiler now warns if it is called from Lisp; you
272should use delete-char with a negative argument instead.
273
274*** The option `mouse-region-delete-keys' has been deleted.
275
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276** Selection changes.
277
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278The default handling of clipboard and primary selections was changed
279to conform with modern X applications. In short, most commands for
280killing and yanking text now use the clipboard, while mouse commands
281use the primary selection.
282
283In the following, we provide a list of these changes, followed by a
284list of steps to get the old behavior back if you prefer that.
285
286*** `mouse-drag-copy-region' now defaults to nil.
287*** `select-active-regions' now defaults to t.
288Merely selecting text (e.g. with drag-mouse-1) no longer puts it in
289the kill-ring. The selected text is put in the primary selection, if
290the system possesses a separate primary selection facility (e.g. X).
291
292**** `select-active-regions' also accepts a new value, `only'.
293This means to only set the primary selection for temporarily active
294regions (usually made by mouse-dragging or shift-selection);
295"ordinary" active regions, such as those made with C-SPC followed by
296point motion, do not alter the primary selection.
297
298*** mouse-2 is now bound to `mouse-yank-primary'.
299This pastes from the primary selection, ignoring the kill-ring.
300Previously, mouse-2 was bound to `mouse-yank-at-click'.
301
302*** `x-select-enable-clipboard' now defaults to t on all platforms.
303*** `x-select-enable-primary' now defaults to nil.
304Thus, commands that kill text or copy it to the kill-ring (such as
305M-w, C-w, and C-k) also use the clipboard---not the primary selection.
306
307**** The "Copy", "Cut", and "Paste" items in the "Edit" menu are now
308exactly equivalent to, respectively M-w, C-w, and C-y.
309
310**** Note that on MS-Windows, `x-select-enable-clipboard' was already
311non-nil by default, as Windows does not support the primary selection
312between applications.
313
314*** To return to the previous behavior, do the following:
315
316**** Change `mouse-drag-copy-region' to t.
317**** Change `x-select-enable-primary' to t (on X only).
318**** Change `x-select-enable-clipboard' to nil.
319**** Bind `mouse-yank-at-click' to mouse-2.
f9d71b42 320
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321*** Support for X cut buffers has been removed.
322
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323** New command `rectangle-number-lines', bound to `C-x r N', numbers
324the lines in the current rectangle. With an prefix argument, this
325prompts for a number to count from and for a format string.
326
9bae34bf 327\f
eb199145 328* Changes in Specialized Modes and Packages in Emacs 24.1
efeb796b 329
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330** The compile.el mode can be used without font-lock-mode.
331`compilation-parse-errors-function' is now obsolete.
332
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333** The Landmark game is now invoked with `landmark', not `lm'.
334
04380ff1 335** Prolog mode has been completely revamped, with lots of additional
86485587 336functionality such as more intelligent indentation, electricity, support for
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337more variants, including Mercury, and a lot more.
338
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339** shell-mode can track your cwd by reading it from your prompt.
340Just set shell-dir-cookie-re to an appropriate regexp.
341
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342** Modula-2 mode provides auto-indentation.
343
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344** latex-electric-env-pair-mode keeps \begin..\end matched on the fly.
345
360ac530 346** FIXME: xdg-open for browse-url and reportbug, 2010/08.
0ac3effe 347
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348** Archive Mode has basic support to browse 7z archives.
349
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350** browse-url has gotten a new variable that is used for mailto: URLs,
351 `browse-url-mailto-function', which defaults to `browse-url-mail'.
352
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353** Directory local variables can apply to file-less buffers, in certain modes
354(eg dired, vc-dir, log-edit). For example, adding
355"(diff-mode . ((mode . whitespace)))" to your .dir-locals.el file,
356will turn on `whitespace-mode' for *vc-diff* buffers. Modes should
357call `hack-dir-local-variables-non-file-buffer' to support this.
358
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359+++
360** You can prevent directory local variables from applying to subdirectories.
361Add an element (subdirs . nil) to the alist portion of any variables
362settings to indicate said section should not be applied to subdirectories.
363
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364** ERC changes
365
366*** New vars `erc-autojoin-timing' and `erc-autojoin-delay'.
367If the value of `erc-autojoin-timing' is 'ident, ERC autojoins after a
368successful NickServ identification, or after `erc-autojoin-delay'
369seconds. The default value, 'ident, means to autojoin immediately
370after connecting.
371
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372*** New variable `erc-coding-system-precedence': If we use `undecided'
373as the server coding system, this variable will then be consulted.
374The default is to decode strings that can be decoded as utf-8 as
375utf-8, and do the normal `undecided' decoding for the rest.
376
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377** Eshell changes
378
379*** The default value of eshell-directory-name is a directory named
380"eshell" in `user-emacs-directory'. If the old "~/.eshell/" directory
381exists, that is used instead.
382
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383** In ido-mode, C-v is no longer bound to ido-toggle-vc.
384The reason is that this interferes with cua-mode.
385
c1e25821 386** partial-completion-mode is now obsolete.
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387You can get a comparable behavior with:
388(setq completion-styles '(partial-completion initials))
389(setq completion-pcm-complete-word-inserts-delimiters t)
c1e25821 390
18c812bd 391** mpc.el: Can use pseudo tags of the form tag1|tag2 as a union of two tags.
b2957ea8 392
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393** server can listen on a specific port using the server-port option.
394
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395** Calendar, Diary, and Appt
396
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397*** New function `diary-hebrew-birthday'.
398
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399---
400*** The obsolete (since Emacs 22.1) method of enabling the appt package
401by adding appt-make-list to diary-hook has been removed. Use appt-activate.
402
403---
404*** Some appt variables (obsolete since Emacs 22.1) have been removed:
405appt-issue-message (use the function appt-activate)
406appt-visible/appt-msg-window (use the variable appt-display-format)
407
408---
409*** Some diary function aliases (obsolete since Emacs 22.1) have been removed:
410view-diary-entries, list-diary-entries, show-all-diary-entries
411
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412** Customize
413
414*** Customize buffers now contain a search field.
415The search is performed using `customize-apropos'.
42d9cffa 416To turn off the search field, set custom-search-field to nil.
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417
418*** Custom options now start out hidden if at their default values.
419Use the arrow to the left of the option name to toggle visibility.
420
421*** custom-buffer-sort-alphabetically now defaults to t.
422
423*** The color widget now has a "Choose" button, which allows you to
424choose a color via list-colors-display.
425
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426** Dired-x
427
428*** dired-jump and dired-jump-other-window called with a prefix argument
429read a file name from the minibuffer instead of using buffer-file-name.
430
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431+++
432*** The `dired local variables' feature provided by Dired-x is obsolete.
433The standard directory local variables feature replaces it.
8117868f 434
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435** SQL Mode enhancements.
436
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437*** `sql-dialect' is a synonym for `sql-product'.
438
74790210 439*** Added ability to login with a port on MySQL and Postgres.
7492acc9 440The custom variable `sql-port' can be specified for connection to
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441MySQL or Postgres servers. By default, the port is not listed in
442either login parameter, but will be added to the command line if set
443to a non-zero value.
7492acc9 444
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445*** Dynamic selection of product in an SQL interactive session.
446If you use `sql-product-interactive' to start an SQL interactive
447session it uses the current value of `sql-product'. Preceding the
448invocation with C-u will force it to ask for the product before
449creating the session.
450
451*** Renaming a SQL interactive buffer when it is created.
452Prefixing the SQL interactive commands (`sql-sqlite', `sql-postgres',
453`sql-mysql', etc.) with C-u will force a new interactive session to be
454started and will prompt for the new name. This will reduce the need
455for `sql-rename-buffer' is most common use cases.
456
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457*** Command continuation prompts in SQL interactive mode are suppressed.
458Multiple line commands in SQL interactive mode, generate command
459continuation prompts which needlessly confuse the output. These
460prompts are now filtered out from the output. This change impacts
461multiple line SQL statements entered with C-j between each line,
462statements yanked into the buffer and statements sent with
463`sql-send-*' functions.
464
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465*** Custom variables control prompting for login parameters.
466Each supported product has a custom variable `sql-*-login-params'
467which is a list of the parameters to be prompted for before a
468connection is established.
469
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470The lists consist of the following five tokens: `user', `password',
471`database', `server', and `port'. The order in which they appear is
472the order in which they are prompted. The tokens symbols can be
473replaced by a sublist starting with the token and followed by a plist
474which control the prompting for values. The tokens `user',
475`database', and `server' each can take a property of :default which
476specifies the value to be used if no value is entered. The
477`database', `server', and `port' tokens handle the :completion
478property which restricts the entry to either one of the values in the
479list or to one of the values returned by the function provided as the
480property value. The `database' and `server' tokens also accept the
481:file property whose value is a regexp to identify useful file names.
482
483 (user :default DEF)
484 (database :default DEF
485 :file FILEPAT
486 :completion COMPLETE)
487 (server :default DEF
488 :file FILEPAT
489 :completion COMPLETE)
490
491The FILEPAT when :file is specified is a regexp that will match valid
492file names (without the directory portion). Generally these strings
493will be of the form ".+\.SUF" where SUF is the desired file suffix.
494
495When :completion is specified, the COMPLETE corresponds to the
496PREDICATE argument to the `completing-read' function (a list of
497possible values or a function returning such a list).
5474c40f 498
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499*** Added `sql-connection-alist' to record login parameter values.
500An alist for recording different username, database and server
501values. If there are multiple databases that you connect to the
502parameters needed can be stored in this alist.
503
504For example, the following might be set in the user's init.el:
505
506 (setq sql-connection-alist
507 '((dev (sql-product 'sqlite)
508 (sql-database "/home/mmaug/dev.db"))
509 (prd (sql-product 'oracle)
510 (sql-user "mmaug")
511 (sql-database "iprd2a"))))
512
513This defines two connections named "dev" and "prd".
514
515*** Added `sql-connect' to use predefined connections.
516Sets the login parameters based on the values in the
517`sql-connection-alist' and start a SQL interactive session. Any
518values specified in the connection will not be prompted for.
519
520In the example above, if the user were to invoke M-x sql-connect, they
521would be prompted for the connection. The user can respond with
522either "dev" or "prd". The "dev" connection would connect to the
523SQLite database without prompting; the "prd" connection would prompt
524for the users password and then connect to the Oracle database.
525
d26b0ea9 526**** Added SQL->Start... submenu when connections are defined.
b2957ea8 527When connections have been defined, there is a submenu available that
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528allows the user to select one to start a SQLi session. The "Start
529SQLi Session" item moves to the "Start..." submenu when cnnections
530have been defined.
531
532**** Added "Save Connection" menu item in SQLi buffers.
533When a SQLi session is not started by a connection then
534`sql-save-connection' will gather the login params specified for the
535session and save them as a new connection.
536
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537*** List database objects and details.
538Once a SQL interactive session has been started, you can get a list of
539the objects in the database and see details of those objects. The
540objects shown and the details available are product specific.
541
542**** List all objects.
543Using `M-x sql-list-all', `C-c C-l a' or selecting "SQL->List all
544objects" will list all the objects in the database. At a minimum it
86485587 545lists the tables and views in the database. Preceding the command by
74790210
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546universal argument may provide additional details or extend the
547listing to include other schemas objects. The list will appear in a
548separate window in view-mode.
549
550**** List Table details.
551Using `M-x sql-list-table', `C-c C-l t' or selecting "SQL->List Table
552details" will ask for the name of a database table or view and display
86485587 553the list of columns in the relation. Preceding the command with the
74790210
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554universal argument may provide additional details about each column.
555The list will appear in a separate window in view-mode.
556
7492acc9
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557*** Added option `sql-send-terminator'.
558When set makes sure that each command sent with `sql-send-*' commands
559are properly terminated and submitted to the SQL processor.
560
561*** Added option `sql-oracle-scan-on'.
562When set commands sent to Oracle's SQL*Plus are scanned for strings
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563starting with an ampersand and the user is asked for replacement text.
564In general, the SQL*Plus option SCAN should always be set OFF under
565SQL interactive mode and this option used in its place.
7492acc9
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566
567*** SQL interactive mode will replace tabs with spaces.
86485587 568This prevents the command interpreter for MySQL and Postgres from
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569listing object name completions when being sent text via
570`sql-send-*' functions.
571
572*** An API for manipulating SQL product definitions has been added.
573
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574** sregex.el is now obsolete, since rx.el is a strict superset.
575
6ca94a0b 576** s-region.el and pc-select are now declared obsolete,
86485587 577superseded by shift-select-mode enabled by default in 23.1.
6ca94a0b 578** pc-mode.el is also declared obsolete.
691cf4a0
NR
579** gdb-mi
580
581*** GDB User Interface migrated to GDB Machine Interface and now
582supports multithread non-stop debugging and debugging of several
583threads simultaneously.
584
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585** D-Bus
586
587*** It is possible now, to access alternative buses than the default
588system or session bus.
589
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590*** dbus-register-{service,method,property}
591The -method and -property functions do not automatically register
592names anymore.
593
594The new function dbus-register-service registers a service known name
595on a D-Bus without simultaneously registering a property or a method.
412b9ee5 596
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597** Tramp
598
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599*** There exists a new inline access method "ksu" (kerberized su).
600
459bba37 601*** The following access methods are discontinued: "ssh1_old",
ea843702 602"ssh2_old", "scp1_old", "scp2_old", "imap", "imaps" and "fish".
459bba37 603
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604** VC and related modes
605
606*** Support for pulling on distributed version control systems.
659114fd 607The vc-pull command runs a "pull" operation, if it is supported.
0c32ce32 608This updates the current branch from upstream. A prefix argument
659114fd 609means to prompt the user for specifics, e.g. a pull location.
0c32ce32 610
7d93eca9 611**** `vc-update' is now an alias for `vc-pull'.
0c32ce32 612
659114fd 613**** Currently supported by Bzr, Git, and Mercurial.
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614
615*** Support for merging on distributed version control systems.
616The vc-merge command now runs a "merge" operation, if it is supported.
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617This merges another branch into the current one. This command prompts
618the user for specifics, e.g. a merge source.
0c32ce32 619
33f6cf7b 620**** Currently supported for Bzr, Git, and Mercurial.
0c32ce32 621
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622*** Log entries in some Log View buffers can be toggled to display a
623longer description by typing RET (log-view-toggle-entry-display).
624In the Log View buffers made by `C-x v L' (vc-print-root-log), you can
625use this to display the full log entry for the revision at point.
626
33f6cf7b 627**** Currently supported for Bzr, Git, and Mercurial.
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628
629**** Packages using Log View mode can enable this functionality by
630binding `log-view-expanded-log-entry-function' to a suitable function.
631
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632** Miscellaneous
633
634---
635*** `copyright-fix-years' can optionally convert consecutive years to ranges.
636
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637\f
638* New Modes and Packages in Emacs 24.1
d445b3f8 639
7100ff98
SM
640** New global minor modes electric-pair-mode, electric-indent-mode,
641and electric-layout-mode.
3b843809 642
d02c9bcd
SM
643** pcase.el provides the ML-style pattern matching macro `pcase'.
644
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645** secrets.el is an implementation of the Secret Service API, an
646interface to password managers like GNOME Keyring or KDE Wallet. The
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MA
647Secret Service API requires D-Bus for communication. The command
648`secrets-show-secrets' offers a buffer with a visualization of the
649secrets.
7725ebb7 650
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651** notifications.el provides an implementation of the Desktop
652Notifications API. It requires D-Bus for communication.
653
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654** soap-client.el supports access to SOAP web services from Emacs.
655soap-inspect.el is an interactive inspector for SOAP WSDL structures.
656
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657\f
658* Incompatible Lisp Changes in Emacs 24.1
6dfcbe31 659
470d996d
TV
660** `copy-directory' now copies the source directory as a subdirectory
661of the target directory, if the latter is an existing directory. The
662new optional arg COPY-CONTENTS, if non-nil, makes the function copy
663the contents directly into a pre-existing target directory.
664
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665** `compose-mail' now accepts an optional 8th arg, RETURN-ACTION, and
666passes it to the mail user agent function. This argument specifies an
667action for returning to the caller after finishing with the mail.
668This is currently used by Rmail to delete a mail window.
669
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670** For mouse click input events in the text area, the Y pixel
671coordinate in the POSITION list now counts from the top of the text
672area, excluding any header line. Previously, it counted from the top
673of the header line.
674
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675** Remove obsolete name `e' (use `float-e' instead).
676
288cf4e9
SM
677** A backquote not followed by a space is now always treated as new-style.
678
fd5c9dfa 679** Test for special mode-class was moved from view-file to view-buffer.
288cf4e9
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680FIXME: This only says what was changed, but not what are the
681programmer-visible consequences.
fd5c9dfa 682
3b7e1d5f
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683** Passing a nil argument to a minor mode function now turns the mode
684 ON unconditionally.
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685
686** During startup, Emacs no longer adds entries for `menu-bar-lines'
687and `tool-bar-lines' to `default-frame-alist' and
688`initial-frame-alist'. With these alist entries omitted, `make-frame'
689checks the value of the variable `menu-bar-mode'/`tool-bar-mode' to
690determine whether to create a menu-bar or tool-bar, respectively.
691If the alist entries are added, they override the value of
692`menu-bar-mode'/`tool-bar-mode'.
693
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694** Regions created by mouse dragging are now normal active regions,
695similar to the ones created by shift-selection. In previous Emacs
696versions, these regions were delineated by `mouse-drag-overlay', which
697has now been removed.
d6d8ee7a 698
4583e796
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699** cl.el no longer provides `cl-19'.
700
3226d6ca
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701** The following functions and aliases, obsolete since at least Emacs 21.1,
702have been removed:
703comint-kill-output, decompose-composite-char, outline-visible,
704internal-find-face, internal-get-face, frame-update-faces,
705frame-update-face-colors, x-frob-font-weight, x-frob-font-slant,
706x-make-font-bold, x-make-font-demibold, x-make-font-unbold
707x-make-font-italic, x-make-font-oblique, x-make-font-unitalic
708x-make-font-bold-italic, mldrag-drag-mode-line, mldrag-drag-vertical-line,
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709iswitchb-default-keybindings, char-bytes, isearch-return-char,
710make-local-hook
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711
712** The following variables and aliases, obsolete since at least Emacs 21.1,
713have been removed:
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714checkdoc-minor-keymap, vc-header-alist, directory-sep-char,
715font-lock-defaults-alist
3226d6ca 716
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717** The following files, obsolete since at least Emacs 21.1, have been removed:
718sc.el, x-menu.el, rnews.el, rnewspost.el
719
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720** FIXME finder-inf.el changes.
721
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722\f
723* Lisp changes in Emacs 24.1
9097e8af 724
53cfe624 725** byte-compile-disable-print-circle is obsolete.
e7f7fbaa
SM
726** Removed the stack-trace-on-error variable.
727Also the debugger can now "continue" from an error, which means it will jump
728to the error handler as if the debugger had not been invoked instead of
729jumping all the way to the top-level.
730
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731** New function `read-char-choice' reads a restricted set of characters,
732discarding any inputs not inside the set.
733
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734** `image-library-alist' is renamed to `dynamic-library-alist'.
735The variable is now used to load all kind of supported dynamic libraries,
736not just image libraries. The previous name is still available as an
737obsolete alias.
738
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739** New variable syntax-propertize-function to set syntax-table properties.
740Replaces font-lock-syntactic-keywords which are now obsolete.
741This allows syntax-table properties to be set independently from font-lock:
742just call syntax-propertize to make sure the text is propertized.
743Together with this new variable come a new hook
744syntax-propertize-extend-region-functions, as well as two helper functions:
745syntax-propertize-via-font-lock to reuse old font-lock-syntactic-keywords
746as-is; and syntax-propertize-rules which provides a new way to specify
747syntactic rules.
748
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749** New hook post-self-insert-hook run at the end of self-insert-command.
750
7cf78aac 751+++
c5683ceb 752** Syntax tables support a new "comment style c" additionally to style b.
4e2db1fe 753** frame-local variables cannot be let-bound any more.
10dcc561 754** prog-mode is a new major-mode meant to be the parent of programming mode.
f44379e7
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755** define-minor-mode accepts a new keyword :variable.
756
b2957ea8 757** `delete-file' and `delete-directory' now accept optional arg TRASH.
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758Trashing is performed if TRASH and `delete-by-moving-to-trash' are
759both non-nil. Interactively, TRASH defaults to t, unless a prefix
760argument is supplied (see Trash changes, above).
53967e09 761
8f92b8ad
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762** buffer-substring-filters is obsoleted by filter-buffer-substring-functions.
763
00278747
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764** New completion style `substring'.
765
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766** `facemenu-read-color' is now an alias for `read-color'.
767The command `read-color' now requires a match for a color name or RGB
768triplet, instead of signalling an error if the user provides a invalid
769input.
770
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771** Tool-bars can display separators.
772Tool-bar separators are handled like menu separators in menu-bar maps,
94975270 773i.e. via menu entries of the form `(menu-item "--")'.
9317e499 774
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775** Image API
776
777*** When the image type is one of listed in `image-animated-types'
1546c559 778and the number of sub-images in the image is more than one, then the
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JL
779new function `create-animated-image' creates an animated image where
780sub-images are displayed successively with the duration defined by
781`image-animate-max-time' and the delay between sub-images defined
782by the Graphic Control Extension of the image.
783
1546c559
JL
784*** `image-extension-data' is renamed to `image-metadata'.
785
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786** XML and HTML parsing
787
788*** If Emacs is compiled with libxml2 support (which is the default),
4b9832a6 789two new Emacs Lisp-level functions are defined:
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790`libxml-parse-html-region' (which will parse "real world" HTML)
791and `libxml-parse-xml-region' (which parses XML). Both return an
4b9832a6
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792Emacs Lisp parse tree.
793
794FIXME: These should be front-ended by xml.el.
795
cf16af42 796** FIXME GnuTLS
71c17aec 797
a6020335
MH
798** Isearch
799
800*** New hook `isearch-update-post-hook' that runs in `isearch-update'.
801
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802** Progress reporters can now "spin".
803The MIN-VALUE and MAX-VALUE arguments of `make-progress-reporter' can
804now be nil, or omitted. This makes a "non-numeric" reporter. Each
805time you call `progress-reporter-update' on that progress reporter,
806with a nil or omitted VALUE argument, the reporter message is
807displayed with a "spinning bar".
808
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809\f
810* Changes in Emacs 24.1 on non-free operating systems
d53a60a6 811
04779484
JB
812** New configure.bat option --enable-checking builds emacs with extra
813runtime checks.
814
e3aef5c6 815** New configure.bat option --distfiles to specify files to be
86485587 816included in binary distribution
e3aef5c6 817
86485587 818** New make target `dist' to create binary distribution for MS Windows
e3aef5c6 819
05197f40 820\f
a933dad1 821----------------------------------------------------------------------
5b87ad55 822This file is part of GNU Emacs.
a933dad1 823
ab73e885 824GNU Emacs is free software: you can redistribute it and/or modify
5b87ad55 825it under the terms of the GNU General Public License as published by
ab73e885
GM
826the Free Software Foundation, either version 3 of the License, or
827(at your option) any later version.
5b87ad55
GM
828
829GNU Emacs is distributed in the hope that it will be useful,
830but WITHOUT ANY WARRANTY; without even the implied warranty of
831MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
832GNU General Public License for more details.
a933dad1 833
5b87ad55 834You should have received a copy of the GNU General Public License
ab73e885 835along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
a933dad1 836
05197f40 837\f
a933dad1
DL
838Local variables:
839mode: outline
840paragraph-separate: "[ \f]*$"
841end: