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* doc/lispref/display.texi (Basic Faces): New node. Document new faces. * doc/lispref/modes.texi (Major Mode Conventions): Move some text there. (Mode Help): Remove major-mode var, duplicated in Major Modes.
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1190 lines
43 KiB
Plaintext
GNU Emacs NEWS -- history of user-visible changes.
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Copyright (C) 2010-2011 Free Software Foundation, Inc.
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See the end of the file for license conditions.
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Please send Emacs bug reports to bug-gnu-emacs@gnu.org.
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If possible, use M-x report-emacs-bug.
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This file is about changes in Emacs version 24.
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See files NEWS.23, NEWS.22, NEWS.21, NEWS.20, NEWS.19, NEWS.18,
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and NEWS.1-17 for changes in older Emacs versions.
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You can narrow news to a specific version by calling `view-emacs-news'
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with a prefix argument or by typing C-u C-h C-n.
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Temporary note:
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+++ indicates that the appropriate manual has already been updated.
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--- means no change in the manuals is called for.
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When you add a new item, please add it without either +++ or ---
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so we will look at it and add it to the manual.
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* Installation Changes in Emacs 24.1
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** Configure links against libselinux if it is found.
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You can disable this by using --without-selinux.
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---
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** By default, the installed Info and man pages are compressed.
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You can disable this by configuring --without-compress-info.
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---
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** There are new configure options:
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--with-mmdf, --with-mail-unlink, --with-mailhost.
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These provide no new functionality, they just remove the need to edit
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lib-src/Makefile by hand in order to use the associated features.
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---
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** Emacs can be compiled against Gtk+ 3.0 if you pass --with-x-toolkit=gtk3
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to configure. Note that other libraries used by Emacs, RSVG and GConf,
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also depend on Gtk+. You can disable them with --without-rsvg and
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--without-gconf.
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---
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** There is a new configure option --enable-use-lisp-union-type.
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This is only useful for Emacs developers to debug certain types of bugs.
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This is not a new feature; only the configure flag is new.
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---
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** There is a new configure option --with-wide-int.
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With it, Emacs integers typically have 62 bits, even on 32-bit machines.
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---
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** New translation of the Emacs Tutorial in Hebrew is available.
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Type `C-u C-h t' to choose it in case your language setup doesn't
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automatically select it.
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** Emacs can be compiled with ImageMagick support.
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Emacs links to ImageMagick if version 6.2.8 or newer of the library is
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present at build time. To inhibit ImageMagick, use the configure
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option `--without-imagemagick' .
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---
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** The standalone programs digest-doc and sorted-doc are removed.
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Emacs now uses Lisp commands `doc-file-to-man' and `doc-file-to-info'.
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---
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** The standalone program `fakemail' is removed.
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If you need it, feedmail.el provides a superset of the functionality.
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* Startup Changes in Emacs 24.1
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---
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** The --unibyte, --multibyte, --no-multibyte, and --no-unibyte
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command line arguments, and the EMACS_UNIBYTE environment variable, no
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longer have any effect. (They were declared obsolete in Emacs 23.)
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+++
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** New command line option `--no-site-lisp' removes site-lisp directories
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from load-path. -Q now implies this.
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---
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** On Windows, Emacs now warns when the obsolete _emacs init file is used,
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and also when HOME is set to C:\ by default.
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* Changes in Emacs 24.1
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+++
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** auto-mode-case-fold is now enabled by default.
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** Completion
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*** shell-mode uses pcomplete rules, with the standard completion UI.
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*** Many packages have been changed to use completion-at-point rather than
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their own completion code.
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*** Completion in a non-minibuffer now tries to detect the end of completion
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and pops down the *Completions* buffer accordingly.
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*** Completion can cycle, depending on completion-cycle-threshold.
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*** New completion style `substring'.
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*** Completion style can be set per-category `completion-category-overrides'.
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*** Completion of buffers now uses substring completion by default.
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*** `completing-read' can be customized using the new variable
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`completing-read-function'.
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*** minibuffer-local-filename-must-match-map is not used any more.
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Instead, the bindings in minibuffer-local-filename-completion-map are combined
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with minibuffer-local-must-match-map.
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** Mail changes
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The default of `send-mail-function' is now `sendmail-query-once',
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which asks the user (once) whether to use the smtpmail package to send
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email, or to use the old defaults that rely on external mail
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facilities (`sendmail-send-it' on GNU/Linux and other Unix-like
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systems, and `mailclient-send-it' on Windows).
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*** smtpmail changes
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**** smtpmail now uses encrypted connections (via STARTTLS) if the
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mail server supports them. It also uses the auth-source framework for
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getting credentials.
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**** The variable `smtpmail-auth-credentials' has been removed.
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That variable used to have the default value "~/.authinfo", in which
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case you won't see any difference. But if you changed it to be a list
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of user names and passwords, that setting is now ignored; you will be
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prompted for the user name and the password, which will then be saved
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to ~/.authinfo.
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You can also manually copy the credentials to your ~/.authinfo file.
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For example, if you had
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(setq smtpmail-auth-credentials
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'(("mail.example.org" 25 "jim" "s!cret")))
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then the equivalent line in ~/.authinfo would be
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machine mail.example.org port 25 login jim password s!cret
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**** The variable `smtpmail-starttls-credentials' has been removed.
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If you had that set, then then you need to put
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machine smtp.whatever.foo port 25 key "~/.my_smtp_tls.key" cert "~/.my_smtp_tls.cert"
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in your ~/.authinfo file instead.
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** Emacs server and client changes
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+++
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*** New option `server-port' specifies the port on which the Emacs
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server should listen.
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+++
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*** New emacsclient argument -q/--quiet suppresses some status messages.
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+++
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*** New emacsclient argument --frame-parameters can be used to set the
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frame parameters of a newly-created graphical frame.
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+++
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*** If emacsclient shuts down as a result of Emacs signalling an
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error, its exit status is 1.
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+++
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*** New emacsclient argument --parent-id ID.
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This opens a client frame in parent X window ID, via XEmbed, similar
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to the --parent-id argument to Emacs.
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** Internationalization changes
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+++
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*** Emacs now supports display and editing of bidirectional text.
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Text that includes characters from right-to-left (RTL) scripts, such
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as Arabic, Farsi, or Hebrew, is displayed in the correct visual order
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as expected by users of those scripts. This display reordering is a
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"Full bidirectionality" class implementation of the Unicode
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Bidirectional Algorithm. Buffers RTL text should look exactly the
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same as before.
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For more information, see the node "Bidirectional Editing" in the
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Emacs Manual.
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+++
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**** New buffer-local variable `bidi-display-reordering'.
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To disable display reordering in any given buffer, change this to nil.
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+++
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**** New buffer-local variable `bidi-paragraph-direction'.
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If nil (the default), Emacs determines the base direction of each
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paragraph from its text, as specified by the Unicode Bidirectional
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Algorithm.
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Setting this to `right-to-left' or `left-to-right' forces a particular
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base direction on each paragraph in the buffer.
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Paragraphs whose base direction is right-to-left are displayed
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starting at the right margin of the window.
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+++
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*** Enhanced support for characters with no glyphs in available fonts.
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If a character has no glyphs in any of the available fonts, Emacs
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normally displays it either as a hexadecimal code in a box or as a
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thin 1-pixel space. In addition to these two methods, Emacs can
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display these characters as empty box, as an acronym, or not display
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them at all. To change how these characters are displayed, customize
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the variable `glyphless-char-display-control'.
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On character terminals, these methods are used for characters that
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cannot be encoded by the `terminal-coding-system'.
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---
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*** New input methods for Farsi: farsi and farsi-translit.
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** Improved GTK integration
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*** GTK scroll-bars are now placed on the right by default.
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Use `set-scroll-bar-mode' to change this.
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*** GTK tool bars can have just text, just images or images and text.
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Customize `tool-bar-style' to choose style. On a Gnome desktop, the default
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is taken from the desktop settings.
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*** GTK tool bars can be placed on the left/right or top/bottom of the frame.
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The frame-parameter tool-bar-position controls this. It takes the values
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top, left, right or bottom. The Options => Show/Hide menu has entries
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for this.
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*** The colors for selected text (the region face) are taken from the GTK
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theme when Emacs is built with GTK.
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*** Emacs uses GTK tooltips by default if built with GTK. You can turn that
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off by customizing x-gtk-use-system-tooltips.
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+++
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** New basic faces `error', `warning', `success' are available to
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highlight strings that indicate failure, caution or successful operation.
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** Lucid menus and dialogs can display antialiased fonts if Emacs is built
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with Xft. To change font, use the X resource font, for example:
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Emacs.pane.menubar.font: Courier-12
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** On graphical displays, the mode-line no longer ends in dashes.
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Also, the first dash (which does not indicate anything) is just
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displayed as a space.
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** Basic SELinux support has been added.
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||
This requires Emacs to be linked with libselinux at build time.
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*** Emacs preserves the SELinux file context when backing up, and
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optionally when copying files. To this end, copy-file has an extra
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optional argument, and backup-buffer and friends include the SELinux
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context in their return values.
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*** The new functions file-selinux-context and set-file-selinux-context
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get and set the SELinux context of a file.
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*** Tramp offers handlers for file-selinux-context and set-file-selinux-context
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for remote machines which support SELinux.
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+++
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** The function format-time-string now supports the %N directive, for
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higher-resolution time stamps.
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||
** Changes for exiting Emacs
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+++
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*** The function kill-emacs is now run upon receipt of the signals
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SIGTERM and SIGHUP, and upon SIGINT in batch mode.
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+++
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*** kill-emacs-hook is now also run in batch mode.
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||
If you have code that adds something to kill-emacs-hook, you should
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consider if it is still appropriate to add it in the noninteractive case.
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** Scrolling changes
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*** New scrolling commands `scroll-up-command' and `scroll-down-command'
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(bound to C-v/[next] and M-v/[prior]) do not signal errors at top/bottom
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of buffer at first key-press (instead move to top/bottom of buffer)
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when a new variable `scroll-error-top-bottom' is non-nil.
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*** New scrolling commands `scroll-up-line' and `scroll-down-line'
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scroll a line instead of full screen.
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*** New property `scroll-command' should be set on a command's symbol to
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define it as a scroll command affected by `scroll-preserve-screen-position'.
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+++
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*** If you customize `scroll-conservatively' to a value greater than 100,
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Emacs will never recenter point in the window when it scrolls due to
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cursor motion commands or commands that move point (e.f., `M-g M-g').
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Previously, you needed to use `most-positive-fixnum' as the value of
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`scroll-conservatively' to achieve the same effect.
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---
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*** ``Aggressive'' scrolling now honors the scroll margins.
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If you customize `scroll-up-aggressively' or
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`scroll-down-aggressively' and move point off the window, Emacs now
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scrolls the window so as to avoid positioning point inside the scroll
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margin.
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** Trash changes
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+++
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*** `delete-by-moving-to-trash' now only affects commands that specify
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trashing. This avoids inadvertently trashing temporary files.
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+++
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*** Calling `delete-file' or `delete-directory' with a prefix argument
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now forces true deletion, regardless of `delete-by-moving-to-trash'.
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** New option `list-colors-sort' defines the color sort order
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for `list-colors-display'.
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** An Emacs Lisp package manager is now included.
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This is a convenient way to download and install additional packages,
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from a package repository at http://elpa.gnu.org.
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+++
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*** `M-x list-packages' shows a list of packages, which can be
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selected for installation.
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+++
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*** New command `describe-package', bound to `C-h P'.
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+++
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*** By default, all installed packages are loaded and activated
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automatically when Emacs starts up. To disable this, set
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`package-enable-at-startup' to nil. To change which packages are
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loaded, customize `package-load-list'.
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** Custom Themes
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*** `M-x customize-themes' lists Custom themes which can be enabled.
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*** New option `custom-theme-load-path' is the load path for themes.
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Emacs no longer looks for custom themes in `load-path'. The default
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is to search in `custom-theme-directory', followed by a built-in theme
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directory named "themes/" in `data-directory'.
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*** New option `custom-safe-themes' records known-safe theme files.
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If a theme is not in this list, Emacs queries before loading it, and
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offers to save the theme to `custom-safe-themes' automatically. By
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default, all themes included in Emacs are treated as safe.
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** The user option `remote-file-name-inhibit-cache' controls whether
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the remote file-name cache is used for read access.
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** File- and directory-local variable changes
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+++
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*** You can stop directory local vars from applying to subdirectories.
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Add an element (subdirs . nil) to the alist portion of any variables
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settings to indicate that the section should not apply to
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subdirectories.
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*** Directory local variables can apply to some file-less buffers.
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Affected modes include dired, vc-dir, and log-edit. For example,
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adding "(diff-mode . ((mode . whitespace)))" to .dir-locals.el will
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turn on `whitespace-mode' for *vc-diff* buffers. Modes should call
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`hack-dir-local-variables-non-file-buffer' to support this.
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+++
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*** Using "mode: MINOR-MODE" to enable a minor mode is deprecated.
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Instead, use "eval: (minor-mode 1)".
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+++
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** The variable `focus-follows-mouse' now always defaults to nil.
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** New primitive `secure-hash' that supports many secure hash algorithms
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including md5, sha-1 and sha-2 (sha-224, sha-256, sha-384 and sha-512).
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The elisp implementation sha1.el is removed. Feature sha1 is provided
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by default.
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** Menu-bar changes
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||
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*** `menu-bar-select-buffer-function' lets you choose another operation
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instead of `switch-to-buffer' when selecting an item in the Buffers menu.
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** The inactive minibuffer has its own major mode `minibuffer-inactive-mode'.
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This is handy for minibuffer-only frames, and is also used for the "mouse-1
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pops up *Messages*" feature, which can now easily be changed.
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* Editing Changes in Emacs 24.1
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** Search changes
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+++
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*** C-y in Isearch is now bound to isearch-yank-kill, instead of
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isearch-yank-line.
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---
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*** M-y in Isearch is now bound to isearch-yank-pop, instead of
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isearch-yank-kill.
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+++
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*** M-s C-e in Isearch is now bound to isearch-yank-line.
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+++
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** New command `count-words-region'. This does what you expect.
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||
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||
** completion-at-point now handles tags and semantic completion.
|
||
|
||
** The default value of `backup-by-copying-when-mismatch' is now t.
|
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|
||
** The command `just-one-space' (C-SPC), if given a negative argument,
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also deletes newlines around point.
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||
|
||
** Deletion changes
|
||
|
||
*** New option `delete-active-region'.
|
||
If non-nil, [delete] and DEL delete the region if it is active and no
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prefix argument is given. If set to `kill', these commands kill
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instead.
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|
||
*** New command `delete-forward-char', bound to [delete].
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This is meant for interactive use, and obeys `delete-active-region'.
|
||
The command `delete-char' does not obey `delete-active-region'.
|
||
|
||
*** `delete-backward-char' is now a Lisp function.
|
||
Apart from obeying `delete-active-region', its behavior is unchanged.
|
||
However, the byte compiler now warns if it is called from Lisp; you
|
||
should use delete-char with a negative argument instead.
|
||
---
|
||
*** The option `mouse-region-delete-keys' has been deleted.
|
||
|
||
** Selection changes.
|
||
|
||
The default handling of clipboard and primary selections was changed
|
||
to conform with modern X applications. In short, most commands for
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killing and yanking text now use the clipboard, while mouse commands
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use the primary selection.
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In the following, we provide a list of these changes, followed by a
|
||
list of steps to get the old behavior back if you prefer that.
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||
+++
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*** `select-active-regions' now defaults to t.
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Merely selecting text (e.g. with drag-mouse-1) no longer puts it in
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the kill ring. The selected text is put in the primary selection, if
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the system possesses a separate primary selection facility (e.g. X).
|
||
|
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+++
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**** `select-active-regions' also accepts a new value, `only'.
|
||
This means to only set the primary selection for temporarily active
|
||
regions (usually made by mouse-dragging or shift-selection);
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||
"ordinary" active regions, such as those made with C-SPC followed by
|
||
point motion, do not alter the primary selection.
|
||
|
||
---
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||
**** `mouse-drag-copy-region' now defaults to nil.
|
||
|
||
+++
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||
*** mouse-2 is now bound to `mouse-yank-primary'.
|
||
This pastes from the primary selection, ignoring the kill-ring.
|
||
Previously, mouse-2 was bound to `mouse-yank-at-click'.
|
||
|
||
+++
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||
*** `x-select-enable-clipboard' now defaults to t on all platforms.
|
||
+++
|
||
*** `x-select-enable-primary' now defaults to nil.
|
||
Thus, commands that kill text or copy it to the kill-ring (such as
|
||
M-w, C-w, and C-k) also use the clipboard---not the primary selection.
|
||
|
||
---
|
||
**** The "Copy", "Cut", and "Paste" items in the "Edit" menu are now
|
||
exactly equivalent to, respectively M-w, C-w, and C-y.
|
||
|
||
---
|
||
**** Note that on MS-Windows, `x-select-enable-clipboard' was already
|
||
non-nil by default, as Windows does not support the primary selection
|
||
between applications.
|
||
|
||
---
|
||
*** To return to the previous behavior, do the following:
|
||
**** Change `select-active-regions' to nil.
|
||
**** Change `mouse-drag-copy-region' to t.
|
||
**** Change `x-select-enable-primary' to t (on X only).
|
||
**** Change `x-select-enable-clipboard' to nil.
|
||
**** Bind `mouse-yank-at-click' to mouse-2.
|
||
|
||
+++
|
||
*** Support for X cut buffers has been removed.
|
||
|
||
*** X clipboard managers are now supported.
|
||
To inhibit this, change `x-select-enable-clipboard-manager' to nil.
|
||
|
||
** New command `rectangle-number-lines', bound to `C-x r N', numbers
|
||
the lines in the current rectangle. With an prefix argument, this
|
||
prompts for a number to count from and for a format string.
|
||
|
||
** The command shell prompts for the shell path name, when the default
|
||
directory is a remote file name and neither environment variable
|
||
$ESHELL nor variable `explicit-shell-file-name' is set.
|
||
|
||
|
||
* Changes in Specialized Modes and Packages in Emacs 24.1
|
||
|
||
** Archive Mode has basic support for browsing and updating 7z archives.
|
||
|
||
** browse-url has a new variable `browse-url-mailto-function'
|
||
specifies how mailto: URLs are handled. The default is `browse-url-mail'.
|
||
|
||
** BibTeX mode
|
||
|
||
*** BibTeX mode now supports biblatex.
|
||
Use the variable bibtex-dialect to select support for different BibTeX
|
||
dialects. bibtex-entry-field-alist is now an obsolete alias for
|
||
bibtex-BibTeX-entry-alist.
|
||
|
||
*** New command `bibtex-search-entries' bound to C-c C-a.
|
||
|
||
*** New `bibtex-entry-format' option `sort-fields', disabled by default.
|
||
|
||
*** New variable `bibtex-search-entry-globally'.
|
||
|
||
** Calendar, Diary, and Appt
|
||
|
||
+++
|
||
*** Diary entries can contain non-printing `comments'.
|
||
See the variable `diary-comment-start'.
|
||
|
||
+++
|
||
*** Appointments can specify their individual warning times.
|
||
See the variable `appt-warning-time-regexp'.
|
||
|
||
---
|
||
*** The function specified by `appt-disp-window-function' may be passed
|
||
lists of arguments if multiple appointments are due at similar times.
|
||
If you are using a custom function for this, you should update it.
|
||
|
||
+++
|
||
*** New function `diary-hebrew-birthday'.
|
||
|
||
---
|
||
*** Elements of `calendar-day-abbrev-array' and `calendar-month-abbrev-array'
|
||
may no longer be nil, but must all be strings.
|
||
|
||
---
|
||
*** The obsolete (since Emacs 22.1) method of enabling the appt package
|
||
by adding appt-make-list to diary-hook has been removed. Use appt-activate.
|
||
|
||
---
|
||
*** Some appt variables (obsolete since Emacs 22.1) have been removed:
|
||
appt-issue-message (use the function appt-activate)
|
||
appt-visible/appt-msg-window (use the variable appt-display-format)
|
||
|
||
---
|
||
*** Some diary function aliases (obsolete since Emacs 22.1) have been removed:
|
||
view-diary-entries, list-diary-entries, show-all-diary-entries
|
||
|
||
** CC Mode (C, C++, etc.)
|
||
|
||
*** New feature to "guess" the style in an existing buffer.
|
||
|
||
** comint and modes derived from it use the generic completion code.
|
||
|
||
** Compilation mode
|
||
|
||
*** Compilation mode can be used without font-lock-mode.
|
||
`compilation-parse-errors-function' is now obsolete.
|
||
|
||
*** `compilation-filter-start' is let-bound to the start of the text
|
||
inserted by the compilation filter function, when calling
|
||
compilation-filter-hook.
|
||
|
||
** Customize
|
||
|
||
*** Customize buffers now contain a search field.
|
||
The search is performed using `customize-apropos'.
|
||
To turn off the search field, set custom-search-field to nil.
|
||
|
||
*** Custom options now start out hidden if at their default values.
|
||
Use the arrow to the left of the option name to toggle visibility.
|
||
|
||
*** custom-buffer-sort-alphabetically now defaults to t.
|
||
|
||
*** The color widget now has a "Choose" button, which allows you to
|
||
choose a color via list-colors-display.
|
||
|
||
** D-Bus
|
||
|
||
*** It is possible now, to access alternative buses than the default
|
||
system or session bus.
|
||
|
||
*** dbus-register-{service,method,property}
|
||
The -method and -property functions do not automatically register
|
||
names anymore.
|
||
|
||
The new function dbus-register-service registers a service known name
|
||
on a D-Bus without simultaneously registering a property or a method.
|
||
|
||
** Dired-x
|
||
|
||
*** dired-jump and dired-jump-other-window called with a prefix argument
|
||
read a file name from the minibuffer instead of using buffer-file-name.
|
||
|
||
+++
|
||
*** The `dired local variables' feature provided by Dired-x is obsolete.
|
||
The standard directory local variables feature replaces it.
|
||
|
||
** ERC changes
|
||
|
||
*** New vars `erc-autojoin-timing' and `erc-autojoin-delay'.
|
||
If the value of `erc-autojoin-timing' is 'ident, ERC autojoins after a
|
||
successful NickServ identification, or after `erc-autojoin-delay'
|
||
seconds. The default value, 'ident, means to autojoin immediately
|
||
after connecting.
|
||
|
||
*** New variable `erc-coding-system-precedence': If we use `undecided'
|
||
as the server coding system, this variable will then be consulted.
|
||
The default is to decode strings that can be decoded as utf-8 as
|
||
utf-8, and do the normal `undecided' decoding for the rest.
|
||
|
||
** Eshell changes
|
||
|
||
*** The default value of eshell-directory-name is a directory named
|
||
"eshell" in `user-emacs-directory'. If the old "~/.eshell/" directory
|
||
exists, that is used instead.
|
||
|
||
** gdb-mi
|
||
|
||
*** GDB User Interface migrated to GDB Machine Interface and now
|
||
supports multithread non-stop debugging and debugging of several
|
||
threads simultaneously.
|
||
|
||
** In ido-mode, C-v is no longer bound to ido-toggle-vc.
|
||
The reason is that this interferes with cua-mode.
|
||
|
||
** Image mode
|
||
|
||
*** RET (`image-toggle-animation') toggles animation, if the displayed
|
||
image can be animated.
|
||
|
||
*** Option `image-animate-loop', if non-nil, loops the animation.
|
||
If nil, `image-toggle-animation' plays the animation once.
|
||
|
||
** Info
|
||
|
||
*** New command `info-display-manual' displays an Info manual
|
||
specified by its name. If that manual is already visited in some Info
|
||
buffer within the current session, the command will display that
|
||
buffer. Otherwise, it will load the manual and display it. This is
|
||
handy if you have many manuals in many Info buffers, and don't
|
||
remember the name of the buffer visiting the manual you want to
|
||
consult.
|
||
|
||
** The Landmark game is now invoked with `landmark', not `lm'.
|
||
|
||
** MH-E has been upgraded to MH-E version 8.2.93.
|
||
See MH-E-NEWS for details.
|
||
|
||
** Modula-2 mode provides auto-indentation.
|
||
|
||
** mpc.el: Can use pseudo tags of the form tag1|tag2 as a union of two tags.
|
||
|
||
** Prolog mode has been completely revamped, with lots of additional
|
||
functionality such as more intelligent indentation, electricity, support for
|
||
more variants, including Mercury, and a lot more.
|
||
|
||
** Rmail
|
||
|
||
*** The command `rmail-epa-decrypt' decrypts OpenPGP data
|
||
in the Rmail incoming message.
|
||
|
||
** shell-mode can track your cwd by reading it from your prompt.
|
||
Just set shell-dir-cookie-re to an appropriate regexp.
|
||
|
||
---
|
||
** SQL Mode enhancements.
|
||
|
||
*** `sql-dialect' is an alias for `sql-product'.
|
||
|
||
*** New variable `sql-port' specifies the port number for connecting
|
||
to a MySQL or Postgres server.
|
||
|
||
*** The command `sql-product-interactive' now takes a prefix argument,
|
||
which causes it to prompt for an SQL product instead of the current
|
||
value of `sql-product'.
|
||
|
||
*** Product-specific SQL interactive commands now take prefix args.
|
||
These commands (`sql-sqlite', `sql-postgres', `sql-mysql', etc.),
|
||
given a prefix argument, prompt for a name for the SQL interactive
|
||
buffer. This reduces the need for calling `sql-rename-buffer'.
|
||
|
||
*** SQL interactive modes suppress command continuation prompts, and
|
||
replace tabs with spaces. The first change impacts multiple line SQL
|
||
statements entered with C-j between each line, statements yanked into
|
||
the buffer and statements sent with `sql-send-*' functions. The
|
||
second change prevents the MySQL and Postgres interpreters from
|
||
listing object name completions when sent text via `sql-send-*'
|
||
functions.
|
||
|
||
*** New custom variables control prompting for login parameters.
|
||
Each supported product has a custom variable `sql-*-login-params',
|
||
which is a list of the parameters to be prompted for before a
|
||
connection is established.
|
||
|
||
*** New variable `sql-connection-alist' for login parameter values.
|
||
This can be used to store different username, database and server
|
||
values. Connections defined in this variable appear in the submenu
|
||
SQL->Start... for making new SQLi sessions.
|
||
|
||
*** New command `sql-connect' starts a predefined SQLi session,
|
||
using the login parameters from `sql-connection-alist'.
|
||
|
||
*** New "Save Connection" menu item in SQLi buffers.
|
||
This gathers the login params specified for the SQLi session, if it
|
||
was not started by a connection, and saves them as a new connection.
|
||
|
||
*** Commands for listing database objects and details.
|
||
In an SQLi session, you can get a list of objects in the database.
|
||
The contents of these lists are product specific.
|
||
|
||
**** `C-c C-l a' or the "SQL->List all objects" menu item
|
||
lists all the objects in the database. With a prefix argument, it
|
||
displays additional details or extend the listing to include other
|
||
schemas objects.
|
||
|
||
**** `C-c C-l t' or the "SQL->List Table details" menu item
|
||
prompts for the name of a database table or view and displays the list
|
||
of columns in the relation. With a prefix argument, it displays
|
||
additional details about each column.
|
||
|
||
*** New options `sql-send-terminator' and `sql-oracle-scan-on'.
|
||
|
||
*** An API for manipulating SQL product definitions has been added.
|
||
|
||
** TeX modes
|
||
|
||
*** latex-electric-env-pair-mode keeps \begin..\end matched on the fly.
|
||
|
||
** Tramp
|
||
|
||
*** There exists a new inline access method "ksu" (kerberized su).
|
||
|
||
*** The following access methods are discontinued: "ssh1_old",
|
||
"ssh2_old", "scp1_old", "scp2_old", "imap", "imaps" and "fish".
|
||
|
||
*** The option `ange-ftp-binary-file-name-regexp' has changed its
|
||
default value to "".
|
||
|
||
** `url-queue-retrieve' downloads web pages asynchronously, but allow
|
||
controlling the degree of parallelism.
|
||
|
||
** VC and related modes
|
||
|
||
*** Support for pulling on distributed version control systems.
|
||
The vc-pull command runs a "pull" operation, if it is supported.
|
||
This updates the current branch from upstream. A prefix argument
|
||
means to prompt the user for specifics, e.g. a pull location.
|
||
|
||
**** `vc-update' is now an alias for `vc-pull'.
|
||
|
||
**** Currently supported by Bzr, Git, and Mercurial.
|
||
|
||
*** Support for merging on distributed version control systems.
|
||
The vc-merge command now runs a "merge" operation, if it is supported.
|
||
This merges another branch into the current one. This command prompts
|
||
the user for specifics, e.g. a merge source.
|
||
|
||
**** Currently supported for Bzr, Git, and Mercurial.
|
||
|
||
*** New option `vc-revert-show-diff' controls whether `vc-revert'
|
||
shows a diff while querying the user. It defaults to t.
|
||
|
||
*** Log entries in some Log View buffers can be toggled to display a
|
||
longer description by typing RET (log-view-toggle-entry-display).
|
||
In the Log View buffers made by `C-x v L' (vc-print-root-log), you can
|
||
use this to display the full log entry for the revision at point.
|
||
|
||
**** Currently supported for Bzr, Git, and Mercurial.
|
||
|
||
**** Packages using Log View mode can enable this functionality by
|
||
binding `log-view-expanded-log-entry-function' to a suitable function.
|
||
|
||
*** New command `vc-ediff' allows visual comparison of two revisions
|
||
of a file similar to `vc-diff', but using ediff backend.
|
||
|
||
** FIXME: xdg-open for browse-url and reportbug, 2010/08.
|
||
|
||
** Obsolete modes
|
||
|
||
*** partial-completion-mode is obsolete.
|
||
You can get a comparable behavior with:
|
||
(setq completion-styles '(partial-completion initials))
|
||
(setq completion-pcm-complete-word-inserts-delimiters t)
|
||
|
||
*** pc-mode.el is obsolete.
|
||
|
||
*** sregex.el is obsolete, since rx.el is a strict superset.
|
||
|
||
*** s-region.el and pc-select are obsolete.
|
||
They are superseded by shift-select-mode enabled by default in 23.1.
|
||
|
||
** Miscellaneous
|
||
|
||
+++
|
||
*** f90.el has some support for Fortran 2008 syntax.
|
||
|
||
---
|
||
*** `copyright-fix-years' can optionally convert consecutive years to ranges.
|
||
|
||
*** New command `nato-region' converts text to NATO phonetic alphabet.
|
||
|
||
|
||
* New Modes and Packages in Emacs 24.1
|
||
|
||
** Occur Edit mode applies edits made in *Occur* buffers to the
|
||
original buffers. It is bound to C-x C-q in Occur mode.
|
||
|
||
** New global minor modes electric-pair-mode, electric-indent-mode,
|
||
and electric-layout-mode.
|
||
|
||
** tabulated-list.el provides a generic major mode for tabulated data,
|
||
from which other modes can be derived.
|
||
|
||
** pcase.el provides the ML-style pattern matching macro `pcase'.
|
||
|
||
** secrets.el is an implementation of the Secret Service API, an
|
||
interface to password managers like GNOME Keyring or KDE Wallet. The
|
||
Secret Service API requires D-Bus for communication. The command
|
||
`secrets-show-secrets' offers a buffer with a visualization of the
|
||
secrets.
|
||
|
||
** notifications.el provides an implementation of the Desktop
|
||
Notifications API. It requires D-Bus for communication.
|
||
|
||
** soap-client.el supports access to SOAP web services from Emacs.
|
||
soap-inspect.el is an interactive inspector for SOAP WSDL structures.
|
||
|
||
** xmodmap-generic-mode for xmodmap files.
|
||
|
||
** New emacs-lock.el package.
|
||
(The pre-existing one has been renamed to old-emacs-lock.el and moved
|
||
to obsolete/.) Now, Emacs Lock is a proper minor mode
|
||
`emacs-lock-mode'. Protection against exiting Emacs and killing the
|
||
buffer can be set separately. The mechanism for auto turning off
|
||
protection for buffers with inferior processes has been generalized.
|
||
|
||
|
||
* Incompatible Lisp Changes in Emacs 24.1
|
||
|
||
---
|
||
** `char-direction-table' and the associated function `char-direction'
|
||
were deleted. They were buggy and inferior to the new support of
|
||
bidirectional editing introduced in Emacs 24. If you need the
|
||
bidirectional properties of a character, use `get-char-code-property'
|
||
with the last argument `bidi-class'.
|
||
|
||
+++
|
||
** `copy-directory' now copies the source directory as a subdirectory
|
||
of the target directory, if the latter is an existing directory. The
|
||
new optional arg COPY-CONTENTS, if non-nil, makes the function copy
|
||
the contents directly into a pre-existing target directory.
|
||
|
||
** `compose-mail' now accepts an optional 8th arg, RETURN-ACTION, and
|
||
passes it to the mail user agent function. This argument specifies an
|
||
action for returning to the caller after finishing with the mail.
|
||
This is currently used by Rmail to delete a mail window.
|
||
|
||
** For mouse click input events in the text area, the Y pixel
|
||
coordinate in the POSITION list now counts from the top of the text
|
||
area, excluding any header line. Previously, it counted from the top
|
||
of the header line.
|
||
|
||
** Removed obsolete name `e' (use `float-e' instead).
|
||
|
||
** A backquote not followed by a space is now always treated as new-style.
|
||
|
||
** Test for special mode-class was moved from view-file to view-buffer.
|
||
FIXME: This only says what was changed, but not what are the
|
||
programmer-visible consequences.
|
||
|
||
** Passing a nil argument to a minor mode function now turns the mode
|
||
ON unconditionally.
|
||
|
||
+++
|
||
** During startup, Emacs no longer adds entries for `menu-bar-lines'
|
||
and `tool-bar-lines' to `default-frame-alist' and `initial-frame-alist'.
|
||
With these alist entries omitted, `make-frame' checks the value of the
|
||
variable `menu-bar-mode'/`tool-bar-mode' to determine whether to create
|
||
a menu-bar or tool-bar, respectively. If the alist entries are added,
|
||
they override the value of `menu-bar-mode'/`tool-bar-mode'.
|
||
|
||
** Regions created by mouse dragging are now normal active regions,
|
||
similar to the ones created by shift-selection. In previous Emacs
|
||
versions, these regions were delineated by `mouse-drag-overlay', which
|
||
has now been removed.
|
||
|
||
** cl.el no longer provides `cl-19'.
|
||
|
||
** The following obsolete functions and aliases were removed:
|
||
comint-kill-output, decompose-composite-char, outline-visible,
|
||
internal-find-face, internal-get-face, frame-update-faces,
|
||
frame-update-face-colors, x-frob-font-weight, x-frob-font-slant,
|
||
x-make-font-bold, x-make-font-demibold, x-make-font-unbold
|
||
x-make-font-italic, x-make-font-oblique, x-make-font-unitalic
|
||
x-make-font-bold-italic, mldrag-drag-mode-line, mldrag-drag-vertical-line,
|
||
iswitchb-default-keybindings, char-bytes, isearch-return-char,
|
||
make-local-hook
|
||
|
||
** The following obsolete variables and varaliases were removed:
|
||
checkdoc-minor-keymap, vc-header-alist, directory-sep-char, and
|
||
font-lock-defaults-alist.
|
||
|
||
** The following obsolete files were removed:
|
||
sc.el, x-menu.el, rnews.el, rnewspost.el
|
||
|
||
** FIXME finder-inf.el changes.
|
||
|
||
|
||
* Lisp changes in Emacs 24.1
|
||
|
||
** Code can now use lexical scoping by default instead of dynamic scoping.
|
||
The `lexical-binding' variable lets code use lexical scoping for local
|
||
variables. It is typically set via file-local variables, in which case it
|
||
applies to all the code in that file.
|
||
|
||
*** `eval' takes a new optional argument `lexical' to choose the new lexical
|
||
binding instead of the old dynamic binding mode.
|
||
|
||
*** Lexically scoped interpreted functions are represented with a new form
|
||
of function value which looks like (closure ENV ARGS &rest BODY).
|
||
|
||
*** New macro `letrec' to define recursive local functions.
|
||
|
||
*** New function `special-variable-p' to check whether a variable is
|
||
declared as dynamically bound.
|
||
|
||
** An Emacs Lisp testing tool is now included.
|
||
Emacs Lisp developers can use this tool to write automated tests for
|
||
their code. See the ERT info manual for details.
|
||
|
||
** Changes for bidirectional display and editing
|
||
|
||
+++
|
||
*** New function `current-bidi-paragraph-direction'.
|
||
This returns the actual value of base direction of the paragraph at
|
||
point.
|
||
|
||
+++
|
||
*** New function `bidi-string-mark-left-to-right'.
|
||
Given a string containing characters from right-to-left (RTL) scripts,
|
||
this function returns another string which can be safely inserted into
|
||
a buffer, such that any following text will be always displayed to the
|
||
right of that string. (This works by appending the Unicode
|
||
"LEFT-TO-RIGHT MARK" character when the argument string might need that.)
|
||
|
||
This is useful when the buffer has overall left-to-right (LTR)
|
||
paragraph direction and you need to insert a string whose contents and
|
||
directionality are not known in advance, without disrupting the layout
|
||
of the line.
|
||
|
||
** Window changes
|
||
|
||
*** `switch-to-buffer' has a new optional argument FORCE-SAME-WINDOW,
|
||
which if non-nil requires the buffer to be displayed in the currently
|
||
selected window, signaling an error otherwise. If nil, another window
|
||
can be used, e.g. if the selected one is strongly dedicated.
|
||
|
||
*** FIXME: buffer-display-alist changes
|
||
|
||
** Completion
|
||
|
||
*** New variable completion-extra-properties used to specify extra properties
|
||
of the current completion:
|
||
- :annotate-function, same as the old completion-annotate-function.
|
||
- :exit-function, function to call after completion took place.
|
||
|
||
*** Functions on completion-at-point-functions can return any of the properties
|
||
valid for completion-extra-properties.
|
||
|
||
*** completion-annotate-function is obsolete.
|
||
|
||
*** New `metadata' method for completion tables. The metadata thus returned
|
||
can specify various details of the data returned by `all-completions':
|
||
- `category' is the kind of objects returned (e.g., `buffer', `file', ...),
|
||
used to select a style in completion-category-overrides.
|
||
- `annotation-function' to add annotations in *Completions*.
|
||
- `display-sort-function' to specify how to sort entries in *Completions*.
|
||
- `cycle-sort-function' to specify how to sort entries when cycling.
|
||
|
||
** `glyphless-char-display' can now distinguish between graphical and
|
||
text terminal display, via a char-table entry that is a cons cell.
|
||
|
||
** `open-network-stream' can now be used to open an encrypted stream.
|
||
It now accepts an optional `:type' parameter for initiating a TLS
|
||
connection, directly or via STARTTLS. To do STARTTLS, additional
|
||
parameters (`:end-of-command', `:success', `:capabilities-command')
|
||
must also be supplied.
|
||
|
||
+++
|
||
** pre/post-command-hook are not reset to nil upon error.
|
||
Instead, the offending function is removed.
|
||
|
||
** New low-level function run-hook-wrapped.
|
||
|
||
** `server-eval-at' is provided to allow evaluating forms on different
|
||
Emacs server instances.
|
||
|
||
** `call-process' allows a `(:file "file")' spec to redirect STDOUT to
|
||
a file.
|
||
|
||
---
|
||
** Variable `stack-trace-on-error' removed.
|
||
Also the debugger can now "continue" from an error, which means it will jump
|
||
to the error handler as if the debugger had not been invoked instead of
|
||
jumping all the way to the top-level.
|
||
|
||
** New function `read-char-choice' reads a restricted set of characters,
|
||
discarding any inputs not inside the set.
|
||
|
||
** `image-library-alist' is renamed to `dynamic-library-alist'.
|
||
The variable is now used to load all kind of supported dynamic libraries,
|
||
not just image libraries. The previous name is still available as an
|
||
obsolete alias.
|
||
|
||
** New variable `syntax-propertize-function'.
|
||
This replaces `font-lock-syntactic-keywords' which is now obsolete.
|
||
This allows syntax-table properties to be set independently from font-lock:
|
||
just call syntax-propertize to make sure the text is propertized.
|
||
Together with this new variable come a new hook
|
||
syntax-propertize-extend-region-functions, as well as two helper functions:
|
||
syntax-propertize-via-font-lock to reuse old font-lock-syntactic-keywords
|
||
as-is; and syntax-propertize-rules which provides a new way to specify
|
||
syntactic rules.
|
||
|
||
** New hook post-self-insert-hook run at the end of self-insert-command.
|
||
|
||
+++
|
||
** Syntax tables support a new "comment style c" additionally to style b.
|
||
|
||
** frame-local variables cannot be let-bound any more.
|
||
|
||
+++
|
||
** prog-mode is a new major-mode meant to be the parent of programming mode.
|
||
The prog-mode-hook it defines can be used to enable features for
|
||
programming modes. For example:
|
||
(add-hook 'prog-mode-hook 'flyspell-prog-mode)
|
||
enables on the fly spell checking for comments and strings for
|
||
programming modes.
|
||
|
||
** define-minor-mode accepts a new keyword :variable.
|
||
|
||
+++
|
||
** `delete-file' and `delete-directory' now accept optional arg TRASH.
|
||
Trashing is performed if TRASH and `delete-by-moving-to-trash' are
|
||
both non-nil. Interactively, TRASH defaults to t, unless a prefix
|
||
argument is supplied (see Trash changes, above).
|
||
|
||
** `facemenu-read-color' is now an alias for `read-color'.
|
||
The command `read-color' now requires a match for a color name or RGB
|
||
triplet, instead of signalling an error if the user provides a invalid
|
||
input.
|
||
|
||
** Tool-bars can display separators.
|
||
Tool-bar separators are handled like menu separators in menu-bar maps,
|
||
i.e. via menu entries of the form `(menu-item "--")'.
|
||
|
||
** Image API
|
||
|
||
*** Animated images support (currently animated gifs only).
|
||
|
||
**** `image-animated-p' returns non-nil if an image can be animated.
|
||
|
||
**** `image-animate' animates a supplied image spec.
|
||
|
||
**** `image-animate-timer' returns the timer object for an image that
|
||
is being animated.
|
||
|
||
*** `image-extension-data' is renamed to `image-metadata'.
|
||
|
||
*** If Emacs is compiled with ImageMagick support (see Startup
|
||
Changes), the function `imagemagick-types' returns a list of image
|
||
file extensions that your installation of ImageMagick supports. The
|
||
function `imagemagick-register-types' enables ImageMagick support for
|
||
these image types, minus those listed in `imagemagick-types-inhibit'.
|
||
|
||
See the Emacs Lisp Reference Manual for more information.
|
||
|
||
** XML and HTML parsing
|
||
|
||
*** If Emacs is compiled with libxml2 support (which is the default),
|
||
two new Emacs Lisp-level functions are defined:
|
||
`libxml-parse-html-region' (which will parse "real world" HTML)
|
||
and `libxml-parse-xml-region' (which parses XML). Both return an
|
||
Emacs Lisp parse tree.
|
||
|
||
FIXME: These should be front-ended by xml.el.
|
||
|
||
** GnuTLS
|
||
|
||
*** Emacs can be compiled with libgnutls support
|
||
This is the default. You will then be able to use the functionality
|
||
in gnutls.el, namely the `open-gnutls-stream' and `gnutls-negotiate'
|
||
functions. It's easiest to use these functions through
|
||
`open-network-stream' because it can upgrade connections through
|
||
STARTTLS opportunistically or use plain SSL, depending on your needs.
|
||
|
||
Only versions 2.8.x and higher or GnuTLS have been tested.
|
||
|
||
*** gnutls-log-level
|
||
Set `gnutls-log-level' higher than 0 to get debug output. 1 is for
|
||
important messages, 2 is for debug data, and higher numbers are as per
|
||
the GnuTLS logging conventions. The output is in *Messages*.
|
||
|
||
** Isearch
|
||
|
||
*** New hook `isearch-update-post-hook' that runs in `isearch-update'.
|
||
|
||
+++
|
||
** Progress reporters can now "spin".
|
||
The MIN-VALUE and MAX-VALUE arguments of `make-progress-reporter' can
|
||
now be nil, or omitted. This makes a "non-numeric" reporter. Each
|
||
time you call `progress-reporter-update' on that progress reporter,
|
||
with a nil or omitted VALUE argument, the reporter message is
|
||
displayed with a "spinning bar".
|
||
|
||
** New variable `revert-buffer-in-progress-p' is true while a buffer is
|
||
being reverted, even if the buffer has a local `revert-buffer-function'.
|
||
|
||
** New variables `delayed-warnings-list' and `delayed-warnings-hook' allow
|
||
deferring warnings until the main command loop is executed.
|
||
|
||
+++
|
||
** `set-auto-mode' now respects mode: local variables at the end of files,
|
||
as well as those in the -*- line.
|
||
|
||
---
|
||
** rx.el has a new `group-n' construct for explicitly numbered groups.
|
||
|
||
** keymaps can inherit from multiple parents.
|
||
|
||
+++
|
||
** New reader macro ## which stands for the empty symbol.
|
||
This means that the empty symbol can now be read back. Also, #: by itself
|
||
(when not immediately followed by a possible symbol character) stands for
|
||
an empty uninterned symbol.
|
||
|
||
** Obsolete functions and variables
|
||
|
||
*** buffer-substring-filters is obsolete.
|
||
Use `filter-buffer-substring-functions' instead.
|
||
|
||
*** `byte-compile-disable-print-circle' is obsolete.
|
||
|
||
*** `deferred-action-list' and `deferred-action-function' are obsolete.
|
||
|
||
|
||
* Changes in Emacs 24.1 on non-free operating systems
|
||
|
||
** New configure.bat option --enable-checking builds Emacs with extra
|
||
runtime checks.
|
||
|
||
** New configure.bat option --distfiles to specify files to be
|
||
included in binary distribution.
|
||
|
||
** New configure.bat option --without-gnutls to disable automatic
|
||
GnuTLS detection.
|
||
|
||
** New configure.bat option --lib for general library linkage, works
|
||
with the USER_LIBS build variable.
|
||
|
||
** New make target `dist' to create binary distribution for MS Windows.
|
||
|
||
** On Nextstep/OSX, the menu bar can be hidden by customizing
|
||
ns-auto-hide-menu-bar.
|
||
|
||
|
||
----------------------------------------------------------------------
|
||
This file is part of GNU Emacs.
|
||
|
||
GNU Emacs is free software: you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation, either version 3 of the License, or
|
||
(at your option) any later version.
|
||
|
||
GNU Emacs is distributed in the hope that it will be useful,
|
||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
GNU General Public License for more details.
|
||
|
||
You should have received a copy of the GNU General Public License
|
||
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
|
||
Local variables:
|
||
mode: outline
|
||
paragraph-separate: "[ ]*$"
|
||
end:
|